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path: root/toolchain/kernel-headers/linux-libc-headers-2.6.11-nios2nommu.patch.conditional
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--- linux/include/asm-generic/4level-fixup.h
+++ linux/include/asm-generic/4level-fixup.h
@@ -0,0 +1,34 @@
+#ifndef _4LEVEL_FIXUP_H
+#define _4LEVEL_FIXUP_H
+
+#define __ARCH_HAS_4LEVEL_HACK
+
+#define PUD_SIZE			PGDIR_SIZE
+#define PUD_MASK			PGDIR_MASK
+#define PTRS_PER_PUD			1
+
+#define pud_t				pgd_t
+
+#define pmd_alloc(mm, pud, address)			\
+({	pmd_t *ret;					\
+	if (pgd_none(*pud))				\
+ 		ret = __pmd_alloc(mm, pud, address);	\
+ 	else						\
+		ret = pmd_offset(pud, address);		\
+ 	ret;						\
+})
+
+#define pud_alloc(mm, pgd, address)	(pgd)
+#define pud_offset(pgd, start)		(pgd)
+#define pud_none(pud)			0
+#define pud_bad(pud)			0
+#define pud_present(pud)		1
+#define pud_ERROR(pud)			do { } while (0)
+#define pud_clear(pud)			pgd_clear(pud)
+
+#undef pud_free_tlb
+#define pud_free_tlb(tlb, x)            do { } while (0)
+#define pud_free(x)			do { } while (0)
+#define __pud_free_tlb(tlb, x)		do { } while (0)
+
+#endif
--- linux/include/asm-generic/bitops.h
+++ linux/include/asm-generic/bitops.h
@@ -0,0 +1,81 @@
+#ifndef _ASM_GENERIC_BITOPS_H_
+#define _ASM_GENERIC_BITOPS_H_
+
+/*
+ * For the benefit of those who are trying to port Linux to another
+ * architecture, here are some C-language equivalents.  You should
+ * recode these in the native assembly language, if at all possible.
+ * To guarantee atomicity, these routines call cli() and sti() to
+ * disable interrupts while they operate.  (You have to provide inline
+ * routines to cli() and sti().)
+ *
+ * Also note, these routines assume that you have 32 bit longs.
+ * You will have to change this if you are trying to port Linux to the
+ * Alpha architecture or to a Cray.  :-)
+ * 
+ * C language equivalents written by Theodore Ts'o, 9/26/92
+ */
+
+extern __inline__ int set_bit(int nr,long * addr)
+{
+	int	mask, retval;
+
+	addr += nr >> 5;
+	mask = 1 << (nr & 0x1f);
+	cli();
+	retval = (mask & *addr) != 0;
+	*addr |= mask;
+	sti();
+	return retval;
+}
+
+extern __inline__ int clear_bit(int nr, long * addr)
+{
+	int	mask, retval;
+
+	addr += nr >> 5;
+	mask = 1 << (nr & 0x1f);
+	cli();
+	retval = (mask & *addr) != 0;
+	*addr &= ~mask;
+	sti();
+	return retval;
+}
+
+extern __inline__ int test_bit(int nr, const unsigned long * addr)
+{
+	int	mask;
+
+	addr += nr >> 5;
+	mask = 1 << (nr & 0x1f);
+	return ((mask & *addr) != 0);
+}
+
+/*
+ * fls: find last bit set.
+ */
+
+#define fls(x) generic_fls(x)
+
+#ifdef __KERNEL__
+
+/*
+ * ffs: find first bit set. This is defined the same way as
+ * the libc and compiler builtin ffs routines, therefore
+ * differs in spirit from the above ffz (man ffs).
+ */
+
+#define ffs(x) generic_ffs(x)
+
+/*
+ * hweightN: returns the hamming weight (i.e. the number
+ * of bits set) of a N-bit word
+ */
+
+#define hweight32(x) generic_hweight32(x)
+#define hweight16(x) generic_hweight16(x)
+#define hweight8(x) generic_hweight8(x)
+
+#endif /* __KERNEL__ */
+
+#endif /* _ASM_GENERIC_BITOPS_H */
--- linux/include/asm-generic/bug.h
+++ linux/include/asm-generic/bug.h
@@ -0,0 +1,34 @@
+#ifndef _ASM_GENERIC_BUG_H
+#define _ASM_GENERIC_BUG_H
+
+#include <linux/compiler.h>
+// #include <linux/config.h>
+
+#ifndef HAVE_ARCH_BUG
+#define BUG() do { \
+	printk("kernel BUG at %s:%d!\n", __FILE__, __LINE__); \
+	panic("BUG!"); \
+} while (0)
+#endif
+
+#ifndef HAVE_ARCH_PAGE_BUG
+#define PAGE_BUG(page) do { \
+	printk("page BUG for page at %p\n", page); \
+	BUG(); \
+} while (0)
+#endif
+
+#ifndef HAVE_ARCH_BUG_ON
+#define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0)
+#endif
+
+#ifndef HAVE_ARCH_WARN_ON
+#define WARN_ON(condition) do { \
+	if (unlikely((condition)!=0)) { \
+		printk("Badness in %s at %s:%d\n", __FUNCTION__, __FILE__, __LINE__); \
+		dump_stack(); \
+	} \
+} while (0)
+#endif
+
+#endif
--- linux/include/asm-generic/cpumask_arith.h
+++ linux/include/asm-generic/cpumask_arith.h
@@ -0,0 +1,49 @@
+#ifndef __ASM_GENERIC_CPUMASK_ARITH_H
+#define __ASM_GENERIC_CPUMASK_ARITH_H
+
+/*
+ * Arithmetic type -based cpu bitmaps. A single unsigned long is used
+ * to contain the whole cpu bitmap.
+ */
+
+#define cpu_set(cpu, map)		set_bit(cpu, &(map))
+#define cpu_clear(cpu, map)		clear_bit(cpu, &(map))
+#define cpu_isset(cpu, map)		test_bit(cpu, &(map))
+#define cpu_test_and_set(cpu, map)	test_and_set_bit(cpu, &(map))
+
+#define cpus_and(dst,src1,src2)		do { dst = (src1) & (src2); } while (0)
+#define cpus_or(dst,src1,src2)		do { dst = (src1) | (src2); } while (0)
+#define cpus_clear(map)			do { map = 0; } while (0)
+#define cpus_complement(map)		do { map = ~(map); } while (0)
+#define cpus_equal(map1, map2)		((map1) == (map2))
+#define cpus_empty(map)			((map) == 0)
+#define cpus_addr(map)			(&(map))
+
+#if BITS_PER_LONG == 32
+#define cpus_weight(map)		hweight32(map)
+#elif BITS_PER_LONG == 64
+#define cpus_weight(map)		hweight64(map)
+#endif
+
+#define cpus_shift_right(dst, src, n)	do { dst = (src) >> (n); } while (0)
+#define cpus_shift_left(dst, src, n)	do { dst = (src) << (n); } while (0)
+
+#define any_online_cpu(map)			\
+({						\
+	cpumask_t __tmp__;			\
+	cpus_and(__tmp__, map, cpu_online_map);	\
+	__tmp__ ? first_cpu(__tmp__) : NR_CPUS;	\
+})
+
+#define CPU_MASK_ALL	(~((cpumask_t)0) >> (8*sizeof(cpumask_t) - NR_CPUS))
+#define CPU_MASK_NONE	((cpumask_t)0)
+
+/* only ever use this for things that are _never_ used on large boxen */
+#define cpus_coerce(map)		((unsigned long)(map))
+#define cpus_promote(map)		({ map; })
+#define cpumask_of_cpu(cpu)		({ ((cpumask_t)1) << (cpu); })
+
+#define first_cpu(map)			__ffs(map)
+#define next_cpu(cpu, map)		find_next_bit(&(map), NR_CPUS, cpu + 1)
+
+#endif /* __ASM_GENERIC_CPUMASK_ARITH_H */
--- linux/include/asm-generic/cpumask_array.h
+++ linux/include/asm-generic/cpumask_array.h
@@ -0,0 +1,54 @@
+#ifndef __ASM_GENERIC_CPUMASK_ARRAY_H
+#define __ASM_GENERIC_CPUMASK_ARRAY_H
+
+/*
+ * Array-based cpu bitmaps. An array of unsigned longs is used to contain
+ * the bitmap, and then contained in a structure so it may be passed by
+ * value.
+ */
+
+#define CPU_ARRAY_SIZE		BITS_TO_LONGS(NR_CPUS)
+
+#define cpu_set(cpu, map)		set_bit(cpu, (map).mask)
+#define cpu_clear(cpu, map)		clear_bit(cpu, (map).mask)
+#define cpu_isset(cpu, map)		test_bit(cpu, (map).mask)
+#define cpu_test_and_set(cpu, map)	test_and_set_bit(cpu, (map).mask)
+
+#define cpus_and(dst,src1,src2)	bitmap_and((dst).mask,(src1).mask, (src2).mask, NR_CPUS)
+#define cpus_or(dst,src1,src2)	bitmap_or((dst).mask, (src1).mask, (src2).mask, NR_CPUS)
+#define cpus_clear(map)		bitmap_clear((map).mask, NR_CPUS)
+#define cpus_complement(map)	bitmap_complement((map).mask, NR_CPUS)
+#define cpus_equal(map1, map2)	bitmap_equal((map1).mask, (map2).mask, NR_CPUS)
+#define cpus_empty(map)		bitmap_empty(map.mask, NR_CPUS)
+#define cpus_addr(map)		((map).mask)
+#define cpus_weight(map)		bitmap_weight((map).mask, NR_CPUS)
+#define cpus_shift_right(d, s, n)	bitmap_shift_right((d).mask, (s).mask, n, NR_CPUS)
+#define cpus_shift_left(d, s, n)	bitmap_shift_left((d).mask, (s).mask, n, NR_CPUS)
+#define first_cpu(map)		find_first_bit((map).mask, NR_CPUS)
+#define next_cpu(cpu, map)	find_next_bit((map).mask, NR_CPUS, cpu + 1)
+
+/* only ever use this for things that are _never_ used on large boxen */
+#define cpus_coerce(map)	((map).mask[0])
+#define cpus_promote(map)	({ cpumask_t __cpu_mask = CPU_MASK_NONE;\
+					__cpu_mask.mask[0] = map;	\
+					__cpu_mask;			\
+				})
+#define cpumask_of_cpu(cpu)	({ cpumask_t __cpu_mask = CPU_MASK_NONE;\
+					cpu_set(cpu, __cpu_mask);	\
+					__cpu_mask;			\
+				})
+#define any_online_cpu(map)			\
+({						\
+	cpumask_t __tmp__;			\
+	cpus_and(__tmp__, map, cpu_online_map);	\
+	find_first_bit(__tmp__.mask, NR_CPUS);	\
+})
+
+
+/*
+ * um, these need to be usable as static initializers
+ */
+#define CPU_MASK_ALL	{ {[0 ... CPU_ARRAY_SIZE-1] = ~0UL} }
+#define CPU_MASK_NONE	{ {[0 ... CPU_ARRAY_SIZE-1] =  0UL} }
+
+#endif /* __ASM_GENERIC_CPUMASK_ARRAY_H */
--- linux/include/asm-generic/cpumask_const_reference.h
+++ linux/include/asm-generic/cpumask_const_reference.h
@@ -0,0 +1,29 @@
+#ifndef __ASM_GENERIC_CPUMASK_CONST_REFERENCE_H
+#define __ASM_GENERIC_CPUMASK_CONST_REFERENCE_H
+
+struct cpumask_ref {
+	const cpumask_t *val;
+};
+
+typedef const struct cpumask_ref cpumask_const_t;
+
+#define mk_cpumask_const(map)		((cpumask_const_t){ &(map) })
+#define cpu_isset_const(cpu, map)	cpu_isset(cpu, *(map).val)
+
+#define cpus_and_const(dst,src1,src2)	cpus_and(dst,*(src1).val,*(src2).val)
+#define cpus_or_const(dst,src1,src2)	cpus_or(dst,*(src1).val,*(src2).val)
+
+#define cpus_equal_const(map1, map2)	cpus_equal(*(map1).val, *(map2).val)
+
+#define cpus_copy_const(map1, map2)	bitmap_copy((map1).mask, (map2).val->mask, NR_CPUS)
+
+#define cpus_empty_const(map)		cpus_empty(*(map).val)
+#define cpus_weight_const(map)		cpus_weight(*(map).val)
+#define first_cpu_const(map)		first_cpu(*(map).val)
+#define next_cpu_const(cpu, map)	next_cpu(cpu, *(map).val)
+
+/* only ever use this for things that are _never_ used on large boxen */
+#define cpus_coerce_const(map)		cpus_coerce(*(map).val)
+#define any_online_cpu_const(map)	any_online_cpu(*(map).val)
+
+#endif /* __ASM_GENERIC_CPUMASK_CONST_REFERENCE_H */
--- linux/include/asm-generic/cpumask_const_value.h
+++ linux/include/asm-generic/cpumask_const_value.h
@@ -0,0 +1,21 @@
+#ifndef __ASM_GENERIC_CPUMASK_CONST_VALUE_H
+#define __ASM_GENERIC_CPUMASK_CONST_VALUE_H
+
+typedef const cpumask_t cpumask_const_t;
+
+#define mk_cpumask_const(map)		(map)
+#define cpu_isset_const(cpu, map)	cpu_isset(cpu, map)
+#define cpus_and_const(dst,src1,src2)	cpus_and(dst, src1, src2)
+#define cpus_or_const(dst,src1,src2)	cpus_or(dst, src1, src2)
+#define cpus_equal_const(map1, map2)	cpus_equal(map1, map2)
+#define cpus_empty_const(map)		cpus_empty(map)
+#define cpus_copy_const(map1, map2)	do { map1 = (cpumask_t)map2; } while (0)
+#define cpus_weight_const(map)		cpus_weight(map)
+#define first_cpu_const(map)		first_cpu(map)
+#define next_cpu_const(cpu, map)	next_cpu(cpu, map)
+
+/* only ever use this for things that are _never_ used on large boxen */
+#define cpus_coerce_const(map)		cpus_coerce(map)
+#define any_online_cpu_const(map)	any_online_cpu(map)
+
+#endif /* __ASM_GENERIC_CPUMASK_CONST_VALUE_H */
--- linux/include/asm-generic/cpumask.h
+++ linux/include/asm-generic/cpumask.h
@@ -0,0 +1,40 @@
+#ifndef __ASM_GENERIC_CPUMASK_H
+#define __ASM_GENERIC_CPUMASK_H
+
+// #include <linux/config.h>
+#include <linux/kernel.h>
+#include <linux/threads.h>
+#include <linux/types.h>
+#include <linux/bitmap.h>
+
+#if NR_CPUS > BITS_PER_LONG && NR_CPUS != 1
+#define CPU_ARRAY_SIZE		BITS_TO_LONGS(NR_CPUS)
+
+struct cpumask
+{
+	unsigned long mask[CPU_ARRAY_SIZE];
+};
+
+typedef struct cpumask cpumask_t;
+
+#else
+typedef unsigned long cpumask_t;
+#endif
+
+#ifdef CONFIG_SMP
+#if NR_CPUS > BITS_PER_LONG
+#include <asm-generic/cpumask_array.h>
+#else
+#include <asm-generic/cpumask_arith.h>
+#endif
+#else
+#include <asm-generic/cpumask_up.h>
+#endif
+
+#if NR_CPUS <= 4*BITS_PER_LONG
+#include <asm-generic/cpumask_const_value.h>
+#else
+#include <asm-generic/cpumask_const_reference.h>
+#endif
+
+#endif /* __ASM_GENERIC_CPUMASK_H */
--- linux/include/asm-generic/cpumask_up.h
+++ linux/include/asm-generic/cpumask_up.h
@@ -0,0 +1,59 @@
+#ifndef __ASM_GENERIC_CPUMASK_UP_H
+#define __ASM_GENERIC_CPUMASK_UP_H
+
+#define cpus_coerce(map)	(map)
+
+#define cpu_set(cpu, map)		do { (void)(cpu); cpus_coerce(map) = 1UL; } while (0)
+#define cpu_clear(cpu, map)		do { (void)(cpu); cpus_coerce(map) = 0UL; } while (0)
+#define cpu_isset(cpu, map)		((void)(cpu), cpus_coerce(map) != 0UL)
+#define cpu_test_and_set(cpu, map)	((void)(cpu), test_and_set_bit(0, &(map)))
+
+#define cpus_and(dst, src1, src2)					\
+	do {								\
+		if (cpus_coerce(src1) && cpus_coerce(src2))		\
+			cpus_coerce(dst) = 1UL;				\
+		else							\
+			cpus_coerce(dst) = 0UL;				\
+	} while (0)
+
+#define cpus_or(dst, src1, src2)					\
+	do {								\
+		if (cpus_coerce(src1) || cpus_coerce(src2))		\
+			cpus_coerce(dst) = 1UL;				\
+		else							\
+			cpus_coerce(dst) = 0UL;				\
+	} while (0)
+
+#define cpus_clear(map)			do { cpus_coerce(map) = 0UL; } while (0)
+
+#define cpus_complement(map)						\
+	do {								\
+		cpus_coerce(map) = !cpus_coerce(map);			\
+	} while (0)
+
+#define cpus_equal(map1, map2)		(cpus_coerce(map1) == cpus_coerce(map2))
+#define cpus_empty(map)			(cpus_coerce(map) == 0UL)
+#define cpus_addr(map)			(&(map))
+#define cpus_weight(map)		(cpus_coerce(map) ? 1UL : 0UL)
+#define cpus_shift_right(d, s, n)	do { cpus_coerce(d) = 0UL; } while (0)
+#define cpus_shift_left(d, s, n)	do { cpus_coerce(d) = 0UL; } while (0)
+#define first_cpu(map)			(cpus_coerce(map) ? 0 : 1)
+#define next_cpu(cpu, map)		1
+
+/* only ever use this for things that are _never_ used on large boxen */
+#define cpus_promote(map)						\
+	({								\
+		cpumask_t __tmp__;					\
+		cpus_coerce(__tmp__) = map;				\
+		__tmp__;						\
+	})
+#define cpumask_of_cpu(cpu)		((void)(cpu), cpus_promote(1))
+#define any_online_cpu(map)		(cpus_coerce(map) ? 0 : 1)
+
+/*
+ * um, these need to be usable as static initializers
+ */
+#define CPU_MASK_ALL	1UL
+#define CPU_MASK_NONE	0UL
+
+#endif /* __ASM_GENERIC_CPUMASK_UP_H */
--- linux/include/asm-generic/cputime.h
+++ linux/include/asm-generic/cputime.h
@@ -0,0 +1,64 @@
+#ifndef _ASM_GENERIC_CPUTIME_H
+#define _ASM_GENERIC_CPUTIME_H
+
+#include <linux/time.h>
+#include <linux/jiffies.h>
+
+typedef unsigned long cputime_t;
+
+#define cputime_zero			(0UL)
+#define cputime_max			((~0UL >> 1) - 1)
+#define cputime_add(__a, __b)		((__a) +  (__b))
+#define cputime_sub(__a, __b)		((__a) -  (__b))
+#define cputime_eq(__a, __b)		((__a) == (__b))
+#define cputime_gt(__a, __b)		((__a) >  (__b))
+#define cputime_ge(__a, __b)		((__a) >= (__b))
+#define cputime_lt(__a, __b)		((__a) <  (__b))
+#define cputime_le(__a, __b)		((__a) <= (__b))
+#define cputime_to_jiffies(__ct)	(__ct)
+#define jiffies_to_cputime(__hz)	(__hz)
+
+typedef u64 cputime64_t;
+
+#define cputime64_zero (0ULL)
+#define cputime64_add(__a, __b)		((__a) + (__b))
+#define cputime64_to_jiffies64(__ct)	(__ct)
+#define cputime_to_cputime64(__ct)	((u64) __ct)
+
+
+/*
+ * Convert cputime to milliseconds and back.
+ */
+#define cputime_to_msecs(__ct)		jiffies_to_msecs(__ct)
+#define msecs_to_cputime(__msecs)	msecs_to_jiffies(__msecs)
+
+/*
+ * Convert cputime to seconds and back.
+ */
+#define cputime_to_secs(jif)		((jif) / HZ)
+#define secs_to_cputime(sec)		((sec) * HZ)
+
+/*
+ * Convert cputime to timespec and back.
+ */
+#define timespec_to_cputime(__val)	timespec_to_jiffies(__val)
+#define cputime_to_timespec(__ct,__val)	jiffies_to_timespec(__ct,__val)
+
+/*
+ * Convert cputime to timeval and back.
+ */
+#define timeval_to_cputime(__val)	timeval_to_jiffies(__val)
+#define cputime_to_timeval(__ct,__val)	jiffies_to_timeval(__ct,__val)
+
+/*
+ * Convert cputime to clock and back.
+ */
+#define cputime_to_clock_t(__ct)	jiffies_to_clock_t(__ct)
+#define clock_t_to_cputime(__x)		clock_t_to_jiffies(__x)
+
+/*
+ * Convert cputime64 to clock.
+ */
+#define cputime64_to_clock_t(__ct)	jiffies_64_to_clock_t(__ct)
+
+#endif
--- linux/include/asm-generic/div64.h
+++ linux/include/asm-generic/div64.h
@@ -0,0 +1,58 @@
+#ifndef _ASM_GENERIC_DIV64_H
+#define _ASM_GENERIC_DIV64_H
+/*
+ * Copyright (C) 2003 Bernardo Innocenti <bernie@develer.com>
+ * Based on former asm-ppc/div64.h and asm-m68knommu/div64.h
+ *
+ * The semantics of do_div() are:
+ *
+ * uint32_t do_div(uint64_t *n, uint32_t base)
+ * {
+ * 	uint32_t remainder = *n % base;
+ * 	*n = *n / base;
+ * 	return remainder;
+ * }
+ *
+ * NOTE: macro parameter n is evaluated multiple times,
+ *       beware of side effects!
+ */
+
+#include <linux/types.h>
+#include <linux/compiler.h>
+
+#if BITS_PER_LONG == 64
+
+# define do_div(n,base) ({					\
+	uint32_t __base = (base);				\
+	uint32_t __rem;						\
+	__rem = ((uint64_t)(n)) % __base;			\
+	(n) = ((uint64_t)(n)) / __base;				\
+	__rem;							\
+ })
+
+#elif BITS_PER_LONG == 32
+
+extern uint32_t __div64_32(uint64_t *dividend, uint32_t divisor);
+
+/* The unnecessary pointer compare is there
+ * to check for type safety (n must be 64bit)
+ */
+# define do_div(n,base) ({				\
+	uint32_t __base = (base);			\
+	uint32_t __rem;					\
+	(void)(((typeof((n)) *)0) == ((uint64_t *)0));	\
+	if (likely(((n) >> 32) == 0)) {			\
+		__rem = (uint32_t)(n) % __base;		\
+		(n) = (uint32_t)(n) / __base;		\
+	} else 						\
+		__rem = __div64_32(&(n), __base);	\
+	__rem;						\
+ })
+
+#else /* BITS_PER_LONG == ?? */
+
+# error do_div() does not yet support the C64
+
+#endif /* BITS_PER_LONG */
+
+#endif /* _ASM_GENERIC_DIV64_H */
--- linux/include/asm-generic/dma-mapping-broken.h
+++ linux/include/asm-generic/dma-mapping-broken.h
@@ -0,0 +1,22 @@
+#ifndef _ASM_GENERIC_DMA_MAPPING_H
+#define _ASM_GENERIC_DMA_MAPPING_H
+
+/* This is used for archs that do not support DMA */
+
+
+static inline void *
+dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
+		   int flag)
+{
+	BUG();
+	return NULL;
+}
+
+static inline void
+dma_free_coherent(struct device *dev, size_t size, void *cpu_addr,
+		    dma_addr_t dma_handle)
+{
+	BUG();
+}
+
+#endif /* _ASM_GENERIC_DMA_MAPPING_H */
--- linux/include/asm-generic/dma-mapping.h
+++ linux/include/asm-generic/dma-mapping.h
@@ -0,0 +1,309 @@
+/* Copyright (C) 2002 by James.Bottomley@HansenPartnership.com 
+ *
+ * Implements the generic device dma API via the existing pci_ one
+ * for unconverted architectures
+ */
+
+#ifndef _ASM_GENERIC_DMA_MAPPING_H
+#define _ASM_GENERIC_DMA_MAPPING_H
+
+// #include <linux/config.h>
+
+#ifdef CONFIG_PCI
+
+/* we implement the API below in terms of the existing PCI one,
+ * so include it */
+#include <linux/pci.h>
+/* need struct page definitions */
+#include <linux/mm.h>
+
+static inline int
+dma_supported(struct device *dev, u64 mask)
+{
+	BUG_ON(dev->bus != &pci_bus_type);
+
+	return pci_dma_supported(to_pci_dev(dev), mask);
+}
+
+static inline int
+dma_set_mask(struct device *dev, u64 dma_mask)
+{
+	BUG_ON(dev->bus != &pci_bus_type);
+
+	return pci_set_dma_mask(to_pci_dev(dev), dma_mask);
+}
+
+static inline void *
+dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
+		   int flag)
+{
+	BUG_ON(dev->bus != &pci_bus_type);
+
+	return pci_alloc_consistent(to_pci_dev(dev), size, dma_handle);
+}
+
+static inline void
+dma_free_coherent(struct device *dev, size_t size, void *cpu_addr,
+		    dma_addr_t dma_handle)
+{
+	BUG_ON(dev->bus != &pci_bus_type);
+
+	pci_free_consistent(to_pci_dev(dev), size, cpu_addr, dma_handle);
+}
+
+static inline dma_addr_t
+dma_map_single(struct device *dev, void *cpu_addr, size_t size,
+	       enum dma_data_direction direction)
+{
+	BUG_ON(dev->bus != &pci_bus_type);
+
+	return pci_map_single(to_pci_dev(dev), cpu_addr, size, (int)direction);
+}
+
+static inline void
+dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
+		 enum dma_data_direction direction)
+{
+	BUG_ON(dev->bus != &pci_bus_type);
+
+	pci_unmap_single(to_pci_dev(dev), dma_addr, size, (int)direction);
+}
+
+static inline dma_addr_t
+dma_map_page(struct device *dev, struct page *page,
+	     unsigned long offset, size_t size,
+	     enum dma_data_direction direction)
+{
+	BUG_ON(dev->bus != &pci_bus_type);
+
+	return pci_map_page(to_pci_dev(dev), page, offset, size, (int)direction);
+}
+
+static inline void
+dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size,
+	       enum dma_data_direction direction)
+{
+	BUG_ON(dev->bus != &pci_bus_type);
+
+	pci_unmap_page(to_pci_dev(dev), dma_address, size, (int)direction);
+}
+
+static inline int
+dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
+	   enum dma_data_direction direction)
+{
+	BUG_ON(dev->bus != &pci_bus_type);
+
+	return pci_map_sg(to_pci_dev(dev), sg, nents, (int)direction);
+}
+
+static inline void
+dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries,
+	     enum dma_data_direction direction)
+{
+	BUG_ON(dev->bus != &pci_bus_type);
+
+	pci_unmap_sg(to_pci_dev(dev), sg, nhwentries, (int)direction);
+}
+
+static inline void
+dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, size_t size,
+			enum dma_data_direction direction)
+{
+	BUG_ON(dev->bus != &pci_bus_type);
+
+	pci_dma_sync_single_for_cpu(to_pci_dev(dev), dma_handle,
+				    size, (int)direction);
+}
+
+static inline void
+dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, size_t size,
+			   enum dma_data_direction direction)
+{
+	BUG_ON(dev->bus != &pci_bus_type);
+
+	pci_dma_sync_single_for_device(to_pci_dev(dev), dma_handle,
+				       size, (int)direction);
+}
+
+static inline void
+dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems,
+		    enum dma_data_direction direction)
+{
+	BUG_ON(dev->bus != &pci_bus_type);
+
+	pci_dma_sync_sg_for_cpu(to_pci_dev(dev), sg, nelems, (int)direction);
+}
+
+static inline void
+dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nelems,
+		       enum dma_data_direction direction)
+{
+	BUG_ON(dev->bus != &pci_bus_type);
+
+	pci_dma_sync_sg_for_device(to_pci_dev(dev), sg, nelems, (int)direction);
+}
+
+static inline int
+dma_mapping_error(dma_addr_t dma_addr)
+{
+	return pci_dma_mapping_error(dma_addr);
+}
+
+
+#else
+
+static inline int
+dma_supported(struct device *dev, u64 mask)
+{
+	return 0;
+}
+
+static inline int
+dma_set_mask(struct device *dev, u64 dma_mask)
+{
+	BUG();
+	return 0;
+}
+
+static inline void *
+dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
+		   int flag)
+{
+	BUG();
+	return NULL;
+}
+
+static inline void
+dma_free_coherent(struct device *dev, size_t size, void *cpu_addr,
+		    dma_addr_t dma_handle)
+{
+	BUG();
+}
+
+static inline dma_addr_t
+dma_map_single(struct device *dev, void *cpu_addr, size_t size,
+	       enum dma_data_direction direction)
+{
+	BUG();
+	return 0;
+}
+
+static inline void
+dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
+		 enum dma_data_direction direction)
+{
+	BUG();
+}
+
+static inline dma_addr_t
+dma_map_page(struct device *dev, struct page *page,
+	     unsigned long offset, size_t size,
+	     enum dma_data_direction direction)
+{
+	BUG();
+	return 0;
+}
+
+static inline void
+dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size,
+	       enum dma_data_direction direction)
+{
+	BUG();
+}
+
+static inline int
+dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
+	   enum dma_data_direction direction)
+{
+	BUG();
+	return 0;
+}
+
+static inline void
+dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries,
+	     enum dma_data_direction direction)
+{
+	BUG();
+}
+
+static inline void
+dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, size_t size,
+			enum dma_data_direction direction)
+{
+	BUG();
+}
+
+static inline void
+dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, size_t size,
+			   enum dma_data_direction direction)
+{
+	BUG();
+}
+
+static inline void
+dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems,
+		    enum dma_data_direction direction)
+{
+	BUG();
+}
+
+static inline void
+dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nelems,
+		       enum dma_data_direction direction)
+{
+	BUG();
+}
+
+static inline int
+dma_error(dma_addr_t dma_addr)
+{
+	return 0;
+}
+
+#endif
+
+/* Now for the API extensions over the pci_ one */
+
+#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
+#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
+#define dma_is_consistent(d)	(1)
+
+static inline int
+dma_get_cache_alignment(void)
+{
+	/* no easy way to get cache size on all processors, so return
+	 * the maximum possible, to be safe */
+	return (1 << L1_CACHE_SHIFT_MAX);
+}
+
+static inline void
+dma_sync_single_range_for_cpu(struct device *dev, dma_addr_t dma_handle,
+			      unsigned long offset, size_t size,
+			      enum dma_data_direction direction)
+{
+	/* just sync everything, that's all the pci API can do */
+	dma_sync_single_for_cpu(dev, dma_handle, offset+size, direction);
+}
+
+static inline void
+dma_sync_single_range_for_device(struct device *dev, dma_addr_t dma_handle,
+				 unsigned long offset, size_t size,
+				 enum dma_data_direction direction)
+{
+	/* just sync everything, that's all the pci API can do */
+	dma_sync_single_for_device(dev, dma_handle, offset+size, direction);
+}
+
+static inline void
+dma_cache_sync(void *vaddr, size_t size,
+	       enum dma_data_direction direction)
+{
+	/* could define this in terms of the dma_cache ... operations,
+	 * but if you get this on a platform, you should convert the platform
+	 * to using the generic device DMA API */
+	BUG();
+}
+
+#endif
+
--- linux/include/asm-generic/errno-base.h
+++ linux/include/asm-generic/errno-base.h
@@ -0,0 +1,39 @@
+#ifndef _ASM_GENERIC_ERRNO_BASE_H
+#define _ASM_GENERIC_ERRNO_BASE_H
+
+#define	EPERM		 1	/* Operation not permitted */
+#define	ENOENT		 2	/* No such file or directory */
+#define	ESRCH		 3	/* No such process */
+#define	EINTR		 4	/* Interrupted system call */
+#define	EIO		 5	/* I/O error */
+#define	ENXIO		 6	/* No such device or address */
+#define	E2BIG		 7	/* Argument list too long */
+#define	ENOEXEC		 8	/* Exec format error */
+#define	EBADF		 9	/* Bad file number */
+#define	ECHILD		10	/* No child processes */
+#define	EAGAIN		11	/* Try again */
+#define	ENOMEM		12	/* Out of memory */
+#define	EACCES		13	/* Permission denied */
+#define	EFAULT		14	/* Bad address */
+#define	ENOTBLK		15	/* Block device required */
+#define	EBUSY		16	/* Device or resource busy */
+#define	EEXIST		17	/* File exists */
+#define	EXDEV		18	/* Cross-device link */
+#define	ENODEV		19	/* No such device */
+#define	ENOTDIR		20	/* Not a directory */
+#define	EISDIR		21	/* Is a directory */
+#define	EINVAL		22	/* Invalid argument */
+#define	ENFILE		23	/* File table overflow */
+#define	EMFILE		24	/* Too many open files */
+#define	ENOTTY		25	/* Not a typewriter */
+#define	ETXTBSY		26	/* Text file busy */
+#define	EFBIG		27	/* File too large */
+#define	ENOSPC		28	/* No space left on device */
+#define	ESPIPE		29	/* Illegal seek */
+#define	EROFS		30	/* Read-only file system */
+#define	EMLINK		31	/* Too many links */
+#define	EPIPE		32	/* Broken pipe */
+#define	EDOM		33	/* Math argument out of domain of func */
+#define	ERANGE		34	/* Math result not representable */
+
+#endif
--- linux/include/asm-generic/errno.h
+++ linux/include/asm-generic/errno.h
@@ -0,0 +1,105 @@
+#ifndef _ASM_GENERIC_ERRNO_H
+#define _ASM_GENERIC_ERRNO_H
+
+#include <asm-generic/errno-base.h>
+
+#define	EDEADLK		35	/* Resource deadlock would occur */
+#define	ENAMETOOLONG	36	/* File name too long */
+#define	ENOLCK		37	/* No record locks available */
+#define	ENOSYS		38	/* Function not implemented */
+#define	ENOTEMPTY	39	/* Directory not empty */
+#define	ELOOP		40	/* Too many symbolic links encountered */
+#define	EWOULDBLOCK	EAGAIN	/* Operation would block */
+#define	ENOMSG		42	/* No message of desired type */
+#define	EIDRM		43	/* Identifier removed */
+#define	ECHRNG		44	/* Channel number out of range */
+#define	EL2NSYNC	45	/* Level 2 not synchronized */
+#define	EL3HLT		46	/* Level 3 halted */
+#define	EL3RST		47	/* Level 3 reset */
+#define	ELNRNG		48	/* Link number out of range */
+#define	EUNATCH		49	/* Protocol driver not attached */
+#define	ENOCSI		50	/* No CSI structure available */
+#define	EL2HLT		51	/* Level 2 halted */
+#define	EBADE		52	/* Invalid exchange */
+#define	EBADR		53	/* Invalid request descriptor */
+#define	EXFULL		54	/* Exchange full */
+#define	ENOANO		55	/* No anode */
+#define	EBADRQC		56	/* Invalid request code */
+#define	EBADSLT		57	/* Invalid slot */
+
+#define	EDEADLOCK	EDEADLK
+
+#define	EBFONT		59	/* Bad font file format */
+#define	ENOSTR		60	/* Device not a stream */
+#define	ENODATA		61	/* No data available */
+#define	ETIME		62	/* Timer expired */
+#define	ENOSR		63	/* Out of streams resources */
+#define	ENONET		64	/* Machine is not on the network */
+#define	ENOPKG		65	/* Package not installed */
+#define	EREMOTE		66	/* Object is remote */
+#define	ENOLINK		67	/* Link has been severed */
+#define	EADV		68	/* Advertise error */
+#define	ESRMNT		69	/* Srmount error */
+#define	ECOMM		70	/* Communication error on send */
+#define	EPROTO		71	/* Protocol error */
+#define	EMULTIHOP	72	/* Multihop attempted */
+#define	EDOTDOT		73	/* RFS specific error */
+#define	EBADMSG		74	/* Not a data message */
+#define	EOVERFLOW	75	/* Value too large for defined data type */
+#define	ENOTUNIQ	76	/* Name not unique on network */
+#define	EBADFD		77	/* File descriptor in bad state */
+#define	EREMCHG		78	/* Remote address changed */
+#define	ELIBACC		79	/* Can not access a needed shared library */
+#define	ELIBBAD		80	/* Accessing a corrupted shared library */
+#define	ELIBSCN		81	/* .lib section in a.out corrupted */
+#define	ELIBMAX		82	/* Attempting to link in too many shared libraries */
+#define	ELIBEXEC	83	/* Cannot exec a shared library directly */
+#define	EILSEQ		84	/* Illegal byte sequence */
+#define	ERESTART	85	/* Interrupted system call should be restarted */
+#define	ESTRPIPE	86	/* Streams pipe error */
+#define	EUSERS		87	/* Too many users */
+#define	ENOTSOCK	88	/* Socket operation on non-socket */
+#define	EDESTADDRREQ	89	/* Destination address required */
+#define	EMSGSIZE	90	/* Message too long */
+#define	EPROTOTYPE	91	/* Protocol wrong type for socket */
+#define	ENOPROTOOPT	92	/* Protocol not available */
+#define	EPROTONOSUPPORT	93	/* Protocol not supported */
+#define	ESOCKTNOSUPPORT	94	/* Socket type not supported */
+#define	EOPNOTSUPP	95	/* Operation not supported on transport endpoint */
+#define	EPFNOSUPPORT	96	/* Protocol family not supported */
+#define	EAFNOSUPPORT	97	/* Address family not supported by protocol */
+#define	EADDRINUSE	98	/* Address already in use */
+#define	EADDRNOTAVAIL	99	/* Cannot assign requested address */
+#define	ENETDOWN	100	/* Network is down */
+#define	ENETUNREACH	101	/* Network is unreachable */
+#define	ENETRESET	102	/* Network dropped connection because of reset */
+#define	ECONNABORTED	103	/* Software caused connection abort */
+#define	ECONNRESET	104	/* Connection reset by peer */
+#define	ENOBUFS		105	/* No buffer space available */
+#define	EISCONN		106	/* Transport endpoint is already connected */
+#define	ENOTCONN	107	/* Transport endpoint is not connected */
+#define	ESHUTDOWN	108	/* Cannot send after transport endpoint shutdown */
+#define	ETOOMANYREFS	109	/* Too many references: cannot splice */
+#define	ETIMEDOUT	110	/* Connection timed out */
+#define	ECONNREFUSED	111	/* Connection refused */
+#define	EHOSTDOWN	112	/* Host is down */
+#define	EHOSTUNREACH	113	/* No route to host */
+#define	EALREADY	114	/* Operation already in progress */
+#define	EINPROGRESS	115	/* Operation now in progress */
+#define	ESTALE		116	/* Stale NFS file handle */
+#define	EUCLEAN		117	/* Structure needs cleaning */
+#define	ENOTNAM		118	/* Not a XENIX named type file */
+#define	ENAVAIL		119	/* No XENIX semaphores available */
+#define	EISNAM		120	/* Is a named type file */
+#define	EREMOTEIO	121	/* Remote I/O error */
+#define	EDQUOT		122	/* Quota exceeded */
+
+#define	ENOMEDIUM	123	/* No medium found */
+#define	EMEDIUMTYPE	124	/* Wrong medium type */
+#define	ECANCELED	125	/* Operation Canceled */
+#define	ENOKEY		126	/* Required key not available */
+#define	EKEYEXPIRED	127	/* Key has expired */
+#define	EKEYREVOKED	128	/* Key has been revoked */
+#define	EKEYREJECTED	129	/* Key was rejected by service */
+
+#endif
--- linux/include/asm-generic/hdreg.h
+++ linux/include/asm-generic/hdreg.h
@@ -0,0 +1,8 @@
+#warning <asm/hdreg.h> is obsolete, please do not use it
+
+#ifndef __ASM_GENERIC_HDREG_H
+#define __ASM_GENERIC_HDREG_H
+
+typedef unsigned long ide_ioreg_t;
+
+#endif /* __ASM_GENERIC_HDREG_H */
--- linux/include/asm-generic/ide_iops.h
+++ linux/include/asm-generic/ide_iops.h
@@ -0,0 +1,38 @@
+/* Generic I/O and MEMIO string operations.  */
+
+#define __ide_insw	insw
+#define __ide_insl	insl
+#define __ide_outsw	outsw
+#define __ide_outsl	outsl
+
+static __inline__ void __ide_mm_insw(void __iomem *port, void *addr, u32 count)
+{
+	while (count--) {
+		*(u16 *)addr = readw(port);
+		addr += 2;
+	}
+}
+
+static __inline__ void __ide_mm_insl(void __iomem *port, void *addr, u32 count)
+{
+	while (count--) {
+		*(u32 *)addr = readl(port);
+		addr += 4;
+	}
+}
+
+static __inline__ void __ide_mm_outsw(void __iomem *port, void *addr, u32 count)
+{
+	while (count--) {
+		writew(*(u16 *)addr, port);
+		addr += 2;
+	}
+}
+
+static __inline__ void __ide_mm_outsl(void __iomem * port, void *addr, u32 count)
+{
+	while (count--) {
+		writel(*(u32 *)addr, port);
+		addr += 4;
+	}
+}
--- linux/include/asm-generic/iomap.h
+++ linux/include/asm-generic/iomap.h
@@ -0,0 +1,63 @@
+#ifndef __GENERIC_IO_H
+#define __GENERIC_IO_H
+
+#include <linux/linkage.h>
+
+/*
+ * These are the "generic" interfaces for doing new-style
+ * memory-mapped or PIO accesses. Architectures may do
+ * their own arch-optimized versions, these just act as
+ * wrappers around the old-style IO register access functions:
+ * read[bwl]/write[bwl]/in[bwl]/out[bwl]
+ *
+ * Don't include this directly, include it from <asm/io.h>.
+ */
+
+/*
+ * Read/write from/to an (offsettable) iomem cookie. It might be a PIO
+ * access or a MMIO access, these functions don't care. The info is
+ * encoded in the hardware mapping set up by the mapping functions
+ * (or the cookie itself, depending on implementation and hw).
+ *
+ * The generic routines just encode the PIO/MMIO as part of the
+ * cookie, and coldly assume that the MMIO IO mappings are not
+ * in the low address range. Architectures for which this is not
+ * true can't use this generic implementation.
+ */
+extern unsigned int fastcall ioread8(void __iomem *);
+extern unsigned int fastcall ioread16(void __iomem *);
+extern unsigned int fastcall ioread32(void __iomem *);
+
+extern void fastcall iowrite8(u8, void __iomem *);
+extern void fastcall iowrite16(u16, void __iomem *);
+extern void fastcall iowrite32(u32, void __iomem *);
+
+/*
+ * "string" versions of the above. Note that they
+ * use native byte ordering for the accesses (on
+ * the assumption that IO and memory agree on a
+ * byte order, and CPU byteorder is irrelevant).
+ *
+ * They do _not_ update the port address. If you
+ * want MMIO that copies stuff laid out in MMIO
+ * memory across multiple ports, use "memcpy_toio()"
+ * and friends.
+ */
+extern void fastcall ioread8_rep(void __iomem *port, void *buf, unsigned long count);
+extern void fastcall ioread16_rep(void __iomem *port, void *buf, unsigned long count);
+extern void fastcall ioread32_rep(void __iomem *port, void *buf, unsigned long count);
+
+extern void fastcall iowrite8_rep(void __iomem *port, const void *buf, unsigned long count);
+extern void fastcall iowrite16_rep(void __iomem *port, const void *buf, unsigned long count);
+extern void fastcall iowrite32_rep(void __iomem *port, const void *buf, unsigned long count);
+
+/* Create a virtual mapping cookie for an IO port range */
+extern void __iomem *ioport_map(unsigned long port, unsigned int nr);
+extern void ioport_unmap(void __iomem *);
+
+/* Create a virtual mapping cookie for a PCI BAR (memory or IO) */
+struct pci_dev;
+extern void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max);
+extern void pci_iounmap(struct pci_dev *dev, void __iomem *);
+
+#endif
--- linux/include/asm-generic/local.h
+++ linux/include/asm-generic/local.h
@@ -0,0 +1,118 @@
+#ifndef _ASM_GENERIC_LOCAL_H
+#define _ASM_GENERIC_LOCAL_H
+
+// #include <linux/config.h>
+#include <linux/percpu.h>
+#include <linux/hardirq.h>
+#include <asm/types.h>
+
+/* An unsigned long type for operations which are atomic for a single
+ * CPU.  Usually used in combination with per-cpu variables. */
+
+#if BITS_PER_LONG == 32
+/* Implement in terms of atomics. */
+
+/* Don't use typedef: don't want them to be mixed with atomic_t's. */
+typedef struct
+{
+	atomic_t a;
+} local_t;
+
+#define LOCAL_INIT(i)	{ ATOMIC_INIT(i) }
+
+#define local_read(l)	((unsigned long)atomic_read(&(l)->a))
+#define local_set(l,i)	atomic_set((&(l)->a),(i))
+#define local_inc(l)	atomic_inc(&(l)->a)
+#define local_dec(l)	atomic_dec(&(l)->a)
+#define local_add(i,l)	atomic_add((i),(&(l)->a))
+#define local_sub(i,l)	atomic_sub((i),(&(l)->a))
+
+/* Non-atomic variants, ie. preemption disabled and won't be touched
+ * in interrupt, etc.  Some archs can optimize this case well. */
+#define __local_inc(l)		local_set((l), local_read(l) + 1)
+#define __local_dec(l)		local_set((l), local_read(l) - 1)
+#define __local_add(i,l)	local_set((l), local_read(l) + (i))
+#define __local_sub(i,l)	local_set((l), local_read(l) - (i))
+
+#else /* ... can't use atomics. */
+/* Implement in terms of three variables.
+   Another option would be to use local_irq_save/restore. */
+
+typedef struct
+{
+	/* 0 = in hardirq, 1 = in softirq, 2 = usermode. */
+	unsigned long v[3];
+} local_t;
+
+#define _LOCAL_VAR(l)	((l)->v[!in_interrupt() + !in_irq()])
+
+#define LOCAL_INIT(i)	{ { (i), 0, 0 } }
+
+static inline unsigned long local_read(local_t *l)
+{
+	return l->v[0] + l->v[1] + l->v[2];
+}
+
+static inline void local_set(local_t *l, unsigned long v)
+{
+	l->v[0] = v;
+	l->v[1] = l->v[2] = 0;
+}
+
+static inline void local_inc(local_t *l)
+{
+	preempt_disable();
+	_LOCAL_VAR(l)++;
+	preempt_enable();
+}
+
+static inline void local_dec(local_t *l)
+{
+	preempt_disable();
+	_LOCAL_VAR(l)--;
+	preempt_enable();
+}
+
+static inline void local_add(unsigned long v, local_t *l)
+{
+	preempt_disable();
+	_LOCAL_VAR(l) += v;
+	preempt_enable();
+}
+
+static inline void local_sub(unsigned long v, local_t *l)
+{
+	preempt_disable();
+	_LOCAL_VAR(l) -= v;
+	preempt_enable();
+}
+
+/* Non-atomic variants, ie. preemption disabled and won't be touched
+ * in interrupt, etc.  Some archs can optimize this case well. */
+#define __local_inc(l)		((l)->v[0]++)
+#define __local_dec(l)		((l)->v[0]--)
+#define __local_add(i,l)	((l)->v[0] += (i))
+#define __local_sub(i,l)	((l)->v[0] -= (i))
+
+#endif /* Non-atomic implementation */
+
+/* Use these for per-cpu local_t variables: on some archs they are
+ * much more efficient than these naive implementations.  Note they take
+ * a variable (eg. mystruct.foo), not an address.
+ */
+#define cpu_local_read(v)	local_read(&__get_cpu_var(v))
+#define cpu_local_set(v, i)	local_set(&__get_cpu_var(v), (i))
+#define cpu_local_inc(v)	local_inc(&__get_cpu_var(v))
+#define cpu_local_dec(v)	local_dec(&__get_cpu_var(v))
+#define cpu_local_add(i, v)	local_add((i), &__get_cpu_var(v))
+#define cpu_local_sub(i, v)	local_sub((i), &__get_cpu_var(v))
+
+/* Non-atomic increments, ie. preemption disabled and won't be touched
+ * in interrupt, etc.  Some archs can optimize this case well.
+ */
+#define __cpu_local_inc(v)	__local_inc(&__get_cpu_var(v))
+#define __cpu_local_dec(v)	__local_dec(&__get_cpu_var(v))
+#define __cpu_local_add(i, v)	__local_add((i), &__get_cpu_var(v))
+#define __cpu_local_sub(i, v)	__local_sub((i), &__get_cpu_var(v))
+
+#endif /* _ASM_GENERIC_LOCAL_H */
--- linux/include/asm-generic/pci-dma-compat.h
+++ linux/include/asm-generic/pci-dma-compat.h
@@ -0,0 +1,107 @@
+/* include this file if the platform implements the dma_ DMA Mapping API
+ * and wants to provide the pci_ DMA Mapping API in terms of it */
+
+#ifndef _ASM_GENERIC_PCI_DMA_COMPAT_H
+#define _ASM_GENERIC_PCI_DMA_COMPAT_H
+
+#include <linux/dma-mapping.h>
+
+/* note pci_set_dma_mask isn't here, since it's a public function
+ * exported from drivers/pci, use dma_supported instead */
+
+static inline int
+pci_dma_supported(struct pci_dev *hwdev, u64 mask)
+{
+	return dma_supported(hwdev == NULL ? NULL : &hwdev->dev, mask);
+}
+
+static inline void *
+pci_alloc_consistent(struct pci_dev *hwdev, size_t size,
+		     dma_addr_t *dma_handle)
+{
+	return dma_alloc_coherent(hwdev == NULL ? NULL : &hwdev->dev, size, dma_handle, GFP_ATOMIC);
+}
+
+static inline void
+pci_free_consistent(struct pci_dev *hwdev, size_t size,
+		    void *vaddr, dma_addr_t dma_handle)
+{
+	dma_free_coherent(hwdev == NULL ? NULL : &hwdev->dev, size, vaddr, dma_handle);
+}
+
+static inline dma_addr_t
+pci_map_single(struct pci_dev *hwdev, void *ptr, size_t size, int direction)
+{
+	return dma_map_single(hwdev == NULL ? NULL : &hwdev->dev, ptr, size, (enum dma_data_direction)direction);
+}
+
+static inline void
+pci_unmap_single(struct pci_dev *hwdev, dma_addr_t dma_addr,
+		 size_t size, int direction)
+{
+	dma_unmap_single(hwdev == NULL ? NULL : &hwdev->dev, dma_addr, size, (enum dma_data_direction)direction);
+}
+
+static inline dma_addr_t
+pci_map_page(struct pci_dev *hwdev, struct page *page,
+	     unsigned long offset, size_t size, int direction)
+{
+	return dma_map_page(hwdev == NULL ? NULL : &hwdev->dev, page, offset, size, (enum dma_data_direction)direction);
+}
+
+static inline void
+pci_unmap_page(struct pci_dev *hwdev, dma_addr_t dma_address,
+	       size_t size, int direction)
+{
+	dma_unmap_page(hwdev == NULL ? NULL : &hwdev->dev, dma_address, size, (enum dma_data_direction)direction);
+}
+
+static inline int
+pci_map_sg(struct pci_dev *hwdev, struct scatterlist *sg,
+	   int nents, int direction)
+{
+	return dma_map_sg(hwdev == NULL ? NULL : &hwdev->dev, sg, nents, (enum dma_data_direction)direction);
+}
+
+static inline void
+pci_unmap_sg(struct pci_dev *hwdev, struct scatterlist *sg,
+	     int nents, int direction)
+{
+	dma_unmap_sg(hwdev == NULL ? NULL : &hwdev->dev, sg, nents, (enum dma_data_direction)direction);
+}
+
+static inline void
+pci_dma_sync_single_for_cpu(struct pci_dev *hwdev, dma_addr_t dma_handle,
+		    size_t size, int direction)
+{
+	dma_sync_single_for_cpu(hwdev == NULL ? NULL : &hwdev->dev, dma_handle, size, (enum dma_data_direction)direction);
+}
+
+static inline void
+pci_dma_sync_single_for_device(struct pci_dev *hwdev, dma_addr_t dma_handle,
+		    size_t size, int direction)
+{
+	dma_sync_single_for_device(hwdev == NULL ? NULL : &hwdev->dev, dma_handle, size, (enum dma_data_direction)direction);
+}
+
+static inline void
+pci_dma_sync_sg_for_cpu(struct pci_dev *hwdev, struct scatterlist *sg,
+		int nelems, int direction)
+{
+	dma_sync_sg_for_cpu(hwdev == NULL ? NULL : &hwdev->dev, sg, nelems, (enum dma_data_direction)direction);
+}
+
+static inline void
+pci_dma_sync_sg_for_device(struct pci_dev *hwdev, struct scatterlist *sg,
+		int nelems, int direction)
+{
+	dma_sync_sg_for_device(hwdev == NULL ? NULL : &hwdev->dev, sg, nelems, (enum dma_data_direction)direction);
+}
+
+static inline int
+pci_dma_mapping_error(dma_addr_t dma_addr)
+{
+	return dma_mapping_error(dma_addr);
+}
+
+#endif
--- linux/include/asm-generic/pci.h
+++ linux/include/asm-generic/pci.h
@@ -0,0 +1,34 @@
+/*
+ * linux/include/asm-generic/pci.h
+ *
+ *  Copyright (C) 2003 Russell King
+ */
+#ifndef _ASM_GENERIC_PCI_H
+#define _ASM_GENERIC_PCI_H
+
+/**
+ * pcibios_resource_to_bus - convert resource to PCI bus address
+ * @dev: device which owns this resource
+ * @region: converted bus-centric region (start,end)
+ * @res: resource to convert
+ *
+ * Convert a resource to a PCI device bus address or bus window.
+ */
+static inline void
+pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
+			 struct resource *res)
+{
+	region->start = res->start;
+	region->end = res->end;
+}
+
+#define pcibios_scan_all_fns(a, b)	0
+
+#ifndef HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ
+static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
+{
+	return channel ? 15 : 14;
+}
+#endif /* HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ */
+
+#endif
--- linux/include/asm-generic/percpu.h
+++ linux/include/asm-generic/percpu.h
@@ -0,0 +1,42 @@
+#ifndef _ASM_GENERIC_PERCPU_H_
+#define _ASM_GENERIC_PERCPU_H_
+#include <linux/compiler.h>
+
+#define __GENERIC_PER_CPU
+#ifdef CONFIG_SMP
+
+extern unsigned long __per_cpu_offset[NR_CPUS];
+
+/* Separate out the type, so (int[3], foo) works. */
+#define DEFINE_PER_CPU(type, name) \
+    __attribute__((__section__(".data.percpu"))) __typeof__(type) per_cpu__##name
+
+/* var is in discarded region: offset to particular copy we want */
+#define per_cpu(var, cpu) (*RELOC_HIDE(&per_cpu__##var, __per_cpu_offset[cpu]))
+#define __get_cpu_var(var) per_cpu(var, smp_processor_id())
+
+/* A macro to avoid #include hell... */
+#define percpu_modcopy(pcpudst, src, size)			\
+do {								\
+	unsigned int __i;					\
+	for (__i = 0; __i < NR_CPUS; __i++)			\
+		if (cpu_possible(__i))				\
+			memcpy((pcpudst)+__per_cpu_offset[__i],	\
+			       (src), (size));			\
+} while (0)
+#else /* ! SMP */
+
+#define DEFINE_PER_CPU(type, name) \
+    __typeof__(type) per_cpu__##name
+
+#define per_cpu(var, cpu)			(*((void)cpu, &per_cpu__##var))
+#define __get_cpu_var(var)			per_cpu__##var
+
+#endif	/* SMP */
+
+#define DECLARE_PER_CPU(type, name) extern __typeof__(type) per_cpu__##name
+
+#define EXPORT_PER_CPU_SYMBOL(var) EXPORT_SYMBOL(per_cpu__##var)
+#define EXPORT_PER_CPU_SYMBOL_GPL(var) EXPORT_SYMBOL_GPL(per_cpu__##var)
+
+#endif /* _ASM_GENERIC_PERCPU_H_ */
--- linux/include/asm-generic/pgtable.h
+++ linux/include/asm-generic/pgtable.h
@@ -0,0 +1,137 @@
+#ifndef _ASM_GENERIC_PGTABLE_H
+#define _ASM_GENERIC_PGTABLE_H
+
+#ifndef __HAVE_ARCH_PTEP_ESTABLISH
+/*
+ * Establish a new mapping:
+ *  - flush the old one
+ *  - update the page tables
+ *  - inform the TLB about the new one
+ *
+ * We hold the mm semaphore for reading and vma->vm_mm->page_table_lock.
+ *
+ * Note: the old pte is known to not be writable, so we don't need to
+ * worry about dirty bits etc getting lost.
+ */
+#ifndef __HAVE_ARCH_SET_PTE_ATOMIC
+#define ptep_establish(__vma, __address, __ptep, __entry)		\
+do {				  					\
+	set_pte(__ptep, __entry);					\
+	flush_tlb_page(__vma, __address);				\
+} while (0)
+#else /* __HAVE_ARCH_SET_PTE_ATOMIC */
+#define ptep_establish(__vma, __address, __ptep, __entry)		\
+do {				  					\
+	set_pte_atomic(__ptep, __entry);				\
+	flush_tlb_page(__vma, __address);				\
+} while (0)
+#endif /* __HAVE_ARCH_SET_PTE_ATOMIC */
+#endif
+
+#ifndef __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS
+/*
+ * Largely same as above, but only sets the access flags (dirty,
+ * accessed, and writable). Furthermore, we know it always gets set
+ * to a "more permissive" setting, which allows most architectures
+ * to optimize this.
+ */
+#define ptep_set_access_flags(__vma, __address, __ptep, __entry, __dirty) \
+do {				  					  \
+	set_pte(__ptep, __entry);					  \
+	flush_tlb_page(__vma, __address);				  \
+} while (0)
+#endif
+
+#ifndef __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG
+static inline int ptep_test_and_clear_young(pte_t *ptep)
+{
+	pte_t pte = *ptep;
+	if (!pte_young(pte))
+		return 0;
+	set_pte(ptep, pte_mkold(pte));
+	return 1;
+}
+#endif
+
+#ifndef __HAVE_ARCH_PTEP_CLEAR_YOUNG_FLUSH
+#define ptep_clear_flush_young(__vma, __address, __ptep)		\
+({									\
+	int __young = ptep_test_and_clear_young(__ptep);		\
+	if (__young)							\
+		flush_tlb_page(__vma, __address);			\
+	__young;							\
+})
+#endif
+
+#ifndef __HAVE_ARCH_PTEP_TEST_AND_CLEAR_DIRTY
+static inline int ptep_test_and_clear_dirty(pte_t *ptep)
+{
+	pte_t pte = *ptep;
+	if (!pte_dirty(pte))
+		return 0;
+	set_pte(ptep, pte_mkclean(pte));
+	return 1;
+}
+#endif
+
+#ifndef __HAVE_ARCH_PTEP_CLEAR_DIRTY_FLUSH
+#define ptep_clear_flush_dirty(__vma, __address, __ptep)		\
+({									\
+	int __dirty = ptep_test_and_clear_dirty(__ptep);		\
+	if (__dirty)							\
+		flush_tlb_page(__vma, __address);			\
+	__dirty;							\
+})
+#endif
+
+#ifndef __HAVE_ARCH_PTEP_GET_AND_CLEAR
+static inline pte_t ptep_get_and_clear(pte_t *ptep)
+{
+	pte_t pte = *ptep;
+	pte_clear(ptep);
+	return pte;
+}
+#endif
+
+#ifndef __HAVE_ARCH_PTEP_CLEAR_FLUSH
+#define ptep_clear_flush(__vma, __address, __ptep)			\
+({									\
+	pte_t __pte = ptep_get_and_clear(__ptep);			\
+	flush_tlb_page(__vma, __address);				\
+	__pte;								\
+})
+#endif
+
+#ifndef __HAVE_ARCH_PTEP_SET_WRPROTECT
+static inline void ptep_set_wrprotect(pte_t *ptep)
+{
+	pte_t old_pte = *ptep;
+	set_pte(ptep, pte_wrprotect(old_pte));
+}
+#endif
+
+#ifndef __HAVE_ARCH_PTEP_MKDIRTY
+static inline void ptep_mkdirty(pte_t *ptep)
+{
+	pte_t old_pte = *ptep;
+	set_pte(ptep, pte_mkdirty(old_pte));
+}
+#endif
+
+#ifndef __HAVE_ARCH_PTE_SAME
+#define pte_same(A,B)	(pte_val(A) == pte_val(B))
+#endif
+
+#ifndef __HAVE_ARCH_PAGE_TEST_AND_CLEAR_DIRTY
+#define page_test_and_clear_dirty(page) (0)
+#endif
+
+#ifndef __HAVE_ARCH_PAGE_TEST_AND_CLEAR_YOUNG
+#define page_test_and_clear_young(page) (0)
+#endif
+
+#ifndef __HAVE_ARCH_PGD_OFFSET_GATE
+#define pgd_offset_gate(mm, addr)	pgd_offset(mm, addr)
+#endif
+
+#endif /* _ASM_GENERIC_PGTABLE_H */
--- linux/include/asm-generic/pgtable-nopmd.h
+++ linux/include/asm-generic/pgtable-nopmd.h
@@ -0,0 +1,60 @@
+#ifndef _PGTABLE_NOPMD_H
+#define _PGTABLE_NOPMD_H
+
+#ifndef __ASSEMBLY__
+
+#include <asm-generic/pgtable-nopud.h>
+
+/*
+ * Having the pmd type consist of a pud gets the size right, and allows
+ * us to conceptually access the pud entry that this pmd is folded into
+ * without casting.
+ */
+typedef struct { pud_t pud; } pmd_t;
+
+#define PMD_SHIFT	PUD_SHIFT
+#define PTRS_PER_PMD	1
+#define PMD_SIZE  	(1UL << PMD_SHIFT)
+#define PMD_MASK  	(~(PMD_SIZE-1))
+
+/*
+ * The "pud_xxx()" functions here are trivial for a folded two-level
+ * setup: the pmd is never bad, and a pmd always exists (as it's folded
+ * into the pud entry)
+ */
+static inline int pud_none(pud_t pud)		{ return 0; }
+static inline int pud_bad(pud_t pud)		{ return 0; }
+static inline int pud_present(pud_t pud)	{ return 1; }
+static inline void pud_clear(pud_t *pud)	{ }
+#define pmd_ERROR(pmd)				(pud_ERROR((pmd).pud))
+
+#define pud_populate(mm, pmd, pte)		do { } while (0)
+
+/*
+ * (pmds are folded into puds so this doesn't get actually called,
+ * but the define is needed for a generic inline function.)
+ */
+#define set_pud(pudptr, pudval)			set_pmd((pmd_t *)(pudptr), (pmd_t) { pudval })
+
+static inline pmd_t * pmd_offset(pud_t * pud, unsigned long address)
+{
+	return (pmd_t *)pud;
+}
+
+#define pmd_val(x)				(pud_val((x).pud))
+#define __pmd(x)				((pmd_t) { __pud(x) } )
+
+#define pud_page(pud)				(pmd_page((pmd_t){ pud }))
+#define pud_page_kernel(pud)			(pmd_page_kernel((pmd_t){ pud }))
+
+/*
+ * allocating and freeing a pmd is trivial: the 1-entry pmd is
+ * inside the pud, so has no extra memory associated with it.
+ */
+#define pmd_alloc_one(mm, address)		NULL
+#define pmd_free(x)				do { } while (0)
+#define __pmd_free_tlb(tlb, x)			do { } while (0)
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* _PGTABLE_NOPMD_H */
--- linux/include/asm-generic/pgtable-nopud.h
+++ linux/include/asm-generic/pgtable-nopud.h
@@ -0,0 +1,56 @@
+#ifndef _PGTABLE_NOPUD_H
+#define _PGTABLE_NOPUD_H
+
+#ifndef __ASSEMBLY__
+
+/*
+ * Having the pud type consist of a pgd gets the size right, and allows
+ * us to conceptually access the pgd entry that this pud is folded into
+ * without casting.
+ */
+typedef struct { pgd_t pgd; } pud_t;
+
+#define PUD_SHIFT	PGDIR_SHIFT
+#define PTRS_PER_PUD	1
+#define PUD_SIZE  	(1UL << PUD_SHIFT)
+#define PUD_MASK  	(~(PUD_SIZE-1))
+
+/*
+ * The "pgd_xxx()" functions here are trivial for a folded two-level
+ * setup: the pud is never bad, and a pud always exists (as it's folded
+ * into the pgd entry)
+ */
+static inline int pgd_none(pgd_t pgd)		{ return 0; }
+static inline int pgd_bad(pgd_t pgd)		{ return 0; }
+static inline int pgd_present(pgd_t pgd)	{ return 1; }
+static inline void pgd_clear(pgd_t *pgd)	{ }
+#define pud_ERROR(pud)				(pgd_ERROR((pud).pgd))
+
+#define pgd_populate(mm, pgd, pud)		do { } while (0)
+/*
+ * (puds are folded into pgds so this doesn't get actually called,
+ * but the define is needed for a generic inline function.)
+ */
+#define set_pgd(pgdptr, pgdval)			set_pud((pud_t *)(pgdptr), (pud_t) { pgdval })
+
+static inline pud_t * pud_offset(pgd_t * pgd, unsigned long address)
+{
+	return (pud_t *)pgd;
+}
+
+#define pud_val(x)				(pgd_val((x).pgd))
+#define __pud(x)				((pud_t) { __pgd(x) } )
+
+#define pgd_page(pgd)				(pud_page((pud_t){ pgd }))
+#define pgd_page_kernel(pgd)			(pud_page_kernel((pud_t){ pgd }))
+
+/*
+ * allocating and freeing a pud is trivial: the 1-entry pud is
+ * inside the pgd, so has no extra memory associated with it.
+ */
+#define pud_alloc_one(mm, address)		NULL
+#define pud_free(x)				do { } while (0)
+#define __pud_free_tlb(tlb, x)			do { } while (0)
+
+#endif /* __ASSEMBLY__ */
+#endif /* _PGTABLE_NOPUD_H */
--- linux/include/asm-generic/resource.h
+++ linux/include/asm-generic/resource.h
@@ -0,0 +1,60 @@
+#ifndef _ASM_GENERIC_RESOURCE_H
+#define _ASM_GENERIC_RESOURCE_H
+
+/*
+ * Resource limits
+ */
+
+/* Allow arch to control resource order */
+#ifndef __ARCH_RLIMIT_ORDER
+#define RLIMIT_CPU		0	/* CPU time in ms */
+#define RLIMIT_FSIZE		1	/* Maximum filesize */
+#define RLIMIT_DATA		2	/* max data size */
+#define RLIMIT_STACK		3	/* max stack size */
+#define RLIMIT_CORE		4	/* max core file size */
+#define RLIMIT_RSS		5	/* max resident set size */
+#define RLIMIT_NPROC		6	/* max number of processes */
+#define RLIMIT_NOFILE		7	/* max number of open files */
+#define RLIMIT_MEMLOCK		8	/* max locked-in-memory address space */
+#define RLIMIT_AS		9	/* address space limit */
+#define RLIMIT_LOCKS		10	/* maximum file locks held */
+#define RLIMIT_SIGPENDING	11	/* max number of pending signals */
+#define RLIMIT_MSGQUEUE		12	/* maximum bytes in POSIX mqueues */
+
+#define RLIM_NLIMITS		13
+#endif
+
+/*
+ * SuS says limits have to be unsigned.
+ * Which makes a ton more sense anyway.
+ */
+#ifndef RLIM_INFINITY
+#define RLIM_INFINITY	(~0UL)
+#endif
+
+#ifndef _STK_LIM_MAX
+#define _STK_LIM_MAX	RLIM_INFINITY
+#endif
+
+#ifdef __KERNEL__
+
+#define INIT_RLIMITS							\
+{									\
+	[RLIMIT_CPU]		= { RLIM_INFINITY, RLIM_INFINITY },	\
+	[RLIMIT_FSIZE]		= { RLIM_INFINITY, RLIM_INFINITY },	\
+	[RLIMIT_DATA]		= { RLIM_INFINITY, RLIM_INFINITY },	\
+	[RLIMIT_STACK]		= {      _STK_LIM, _STK_LIM_MAX  },	\
+	[RLIMIT_CORE]		= {             0, RLIM_INFINITY },	\
+	[RLIMIT_RSS]		= { RLIM_INFINITY, RLIM_INFINITY },	\
+	[RLIMIT_NPROC]		= {             0,             0 },	\
+	[RLIMIT_NOFILE]		= {      INR_OPEN,     INR_OPEN  },	\
+	[RLIMIT_MEMLOCK]	= {   MLOCK_LIMIT,   MLOCK_LIMIT },	\
+	[RLIMIT_AS]		= { RLIM_INFINITY, RLIM_INFINITY },	\
+	[RLIMIT_LOCKS]		= { RLIM_INFINITY, RLIM_INFINITY },	\
+	[RLIMIT_SIGPENDING]	= { MAX_SIGPENDING, MAX_SIGPENDING },	\
+	[RLIMIT_MSGQUEUE]	= { MQ_BYTES_MAX, MQ_BYTES_MAX },	\
+}
+
+#endif	/* __KERNEL__ */
+
+#endif
--- linux/include/asm-generic/rmap.h
+++ linux/include/asm-generic/rmap.h
@@ -0,0 +1,90 @@
+#ifndef _GENERIC_RMAP_H
+#define _GENERIC_RMAP_H
+/*
+ * linux/include/asm-generic/rmap.h
+ *
+ * Architecture dependent parts of the reverse mapping code,
+ * this version should work for most architectures with a
+ * 'normal' page table layout.
+ *
+ * We use the struct page of the page table page to find out
+ * the process and full address of a page table entry:
+ * - page->mapping points to the process' mm_struct
+ * - page->index has the high bits of the address
+ * - the lower bits of the address are calculated from the
+ *   offset of the page table entry within the page table page
+ *
+ * For CONFIG_HIGHPTE, we need to represent the address of a pte in a
+ * scalar pte_addr_t.  The pfn of the pte's page is shifted left by PAGE_SIZE
+ * bits and is then ORed with the byte offset of the pte within its page.
+ *
+ * For CONFIG_HIGHMEM4G, the pte_addr_t is 32 bits.  20 for the pfn, 12 for
+ * the offset.
+ *
+ * For CONFIG_HIGHMEM64G, the pte_addr_t is 64 bits.  52 for the pfn, 12 for
+ * the offset.
+ */
+#include <linux/mm.h>
+
+static inline void pgtable_add_rmap(struct page * page, struct mm_struct * mm, unsigned long address)
+{
+#ifdef BROKEN_PPC_PTE_ALLOC_ONE
+	/* OK, so PPC calls pte_alloc() before mem_map[] is setup ... ;( */
+	extern int mem_init_done;
+
+	if (!mem_init_done)
+		return;
+#endif
+	page->mapping = (void *)mm;
+	page->index = address & ~((PTRS_PER_PTE * PAGE_SIZE) - 1);
+	inc_page_state(nr_page_table_pages);
+}
+
+static inline void pgtable_remove_rmap(struct page * page)
+{
+	page->mapping = NULL;
+	page->index = 0;
+	dec_page_state(nr_page_table_pages);
+}
+
+static inline struct mm_struct * ptep_to_mm(pte_t * ptep)
+{
+	struct page * page = kmap_atomic_to_page(ptep);
+	return (struct mm_struct *) page->mapping;
+}
+
+static inline unsigned long ptep_to_address(pte_t * ptep)
+{
+	struct page * page = kmap_atomic_to_page(ptep);
+	unsigned long low_bits;
+	low_bits = ((unsigned long)ptep & ~PAGE_MASK) * PTRS_PER_PTE;
+	return page->index + low_bits;
+}
+
+#ifdef CONFIG_HIGHPTE
+static inline pte_addr_t ptep_to_paddr(pte_t *ptep)
+{
+	pte_addr_t paddr;
+	paddr = ((pte_addr_t)page_to_pfn(kmap_atomic_to_page(ptep))) << PAGE_SHIFT;
+	return paddr + (pte_addr_t)((unsigned long)ptep & ~PAGE_MASK);
+}
+#else
+static inline pte_addr_t ptep_to_paddr(pte_t *ptep)
+{
+	return (pte_addr_t)ptep;
+}
+#endif
+
+#ifndef CONFIG_HIGHPTE
+static inline pte_t *rmap_ptep_map(pte_addr_t pte_paddr)
+{
+	return (pte_t *)pte_paddr;
+}
+
+static inline void rmap_ptep_unmap(pte_t *pte)
+{
+	return;
+}
+#endif
+
+#endif /* _GENERIC_RMAP_H */
--- linux/include/asm-generic/rtc.h
+++ linux/include/asm-generic/rtc.h
@@ -0,0 +1,213 @@
+/* 
+ * inclue/asm-generic/rtc.h
+ *
+ * Author: Tom Rini <trini@mvista.com>
+ *
+ * Based on:
+ * drivers/char/rtc.c
+ *
+ * Please read the COPYING file for all license details.
+ */
+
+#ifndef __ASM_RTC_H__
+#define __ASM_RTC_H__
+
+#ifdef __KERNEL__
+
+#include <linux/mc146818rtc.h>
+#include <linux/rtc.h>
+#include <linux/bcd.h>
+
+#define RTC_PIE 0x40		/* periodic interrupt enable */
+#define RTC_AIE 0x20		/* alarm interrupt enable */
+#define RTC_UIE 0x10		/* update-finished interrupt enable */
+
+/* some dummy definitions */
+#define RTC_BATT_BAD 0x100	/* battery bad */
+#define RTC_SQWE 0x08		/* enable square-wave output */
+#define RTC_DM_BINARY 0x04	/* all time/date values are BCD if clear */
+#define RTC_24H 0x02		/* 24 hour mode - else hours bit 7 means pm */
+#define RTC_DST_EN 0x01	        /* auto switch DST - works f. USA only */
+
+/*
+ * Returns true if a clock update is in progress
+ */
+static inline unsigned char rtc_is_updating(void)
+{
+	unsigned char uip;
+
+	spin_lock_irq(&rtc_lock);
+	uip = (CMOS_READ(RTC_FREQ_SELECT) & RTC_UIP);
+	spin_unlock_irq(&rtc_lock);
+	return uip;
+}
+
+static inline unsigned int get_rtc_time(struct rtc_time *time)
+{
+	unsigned long uip_watchdog = jiffies;
+	unsigned char ctrl;
+#ifdef CONFIG_MACH_DECSTATION
+	unsigned int real_year;
+#endif
+
+	/*
+	 * read RTC once any update in progress is done. The update
+	 * can take just over 2ms. We wait 10 to 20ms. There is no need to
+	 * to poll-wait (up to 1s - eeccch) for the falling edge of RTC_UIP.
+	 * If you need to know *exactly* when a second has started, enable
+	 * periodic update complete interrupts, (via ioctl) and then 
+	 * immediately read /dev/rtc which will block until you get the IRQ.
+	 * Once the read clears, read the RTC time (again via ioctl). Easy.
+	 */
+
+	if (rtc_is_updating() != 0)
+		while (jiffies - uip_watchdog < 2*HZ/100) {
+			barrier();
+			cpu_relax();
+		}
+
+	/*
+	 * Only the values that we read from the RTC are set. We leave
+	 * tm_wday, tm_yday and tm_isdst untouched. Even though the
+	 * RTC has RTC_DAY_OF_WEEK, we ignore it, as it is only updated
+	 * by the RTC when initially set to a non-zero value.
+	 */
+	spin_lock_irq(&rtc_lock);
+	time->tm_sec = CMOS_READ(RTC_SECONDS);
+	time->tm_min = CMOS_READ(RTC_MINUTES);
+	time->tm_hour = CMOS_READ(RTC_HOURS);
+	time->tm_mday = CMOS_READ(RTC_DAY_OF_MONTH);
+	time->tm_mon = CMOS_READ(RTC_MONTH);
+	time->tm_year = CMOS_READ(RTC_YEAR);
+#ifdef CONFIG_MACH_DECSTATION
+	real_year = CMOS_READ(RTC_DEC_YEAR);
+#endif
+	ctrl = CMOS_READ(RTC_CONTROL);
+	spin_unlock_irq(&rtc_lock);
+
+	if (!(ctrl & RTC_DM_BINARY) || RTC_ALWAYS_BCD)
+	{
+		BCD_TO_BIN(time->tm_sec);
+		BCD_TO_BIN(time->tm_min);
+		BCD_TO_BIN(time->tm_hour);
+		BCD_TO_BIN(time->tm_mday);
+		BCD_TO_BIN(time->tm_mon);
+		BCD_TO_BIN(time->tm_year);
+	}
+
+#ifdef CONFIG_MACH_DECSTATION
+	time->tm_year += real_year - 72;
+#endif
+
+	/*
+	 * Account for differences between how the RTC uses the values
+	 * and how they are defined in a struct rtc_time;
+	 */
+	if (time->tm_year <= 69)
+		time->tm_year += 100;
+
+	time->tm_mon--;
+
+	return RTC_24H;
+}
+
+/* Set the current date and time in the real time clock. */
+static inline int set_rtc_time(struct rtc_time *time)
+{
+	unsigned char mon, day, hrs, min, sec;
+	unsigned char save_control, save_freq_select;
+	unsigned int yrs;
+#ifdef CONFIG_MACH_DECSTATION
+	unsigned int real_yrs, leap_yr;
+#endif
+
+	yrs = time->tm_year;
+	mon = time->tm_mon + 1;   /* tm_mon starts at zero */
+	day = time->tm_mday;
+	hrs = time->tm_hour;
+	min = time->tm_min;
+	sec = time->tm_sec;
+
+	if (yrs > 255)	/* They are unsigned */
+		return -EINVAL;
+
+	spin_lock_irq(&rtc_lock);
+#ifdef CONFIG_MACH_DECSTATION
+	real_yrs = yrs;
+	leap_yr = ((!((yrs + 1900) % 4) && ((yrs + 1900) % 100)) ||
+			!((yrs + 1900) % 400));
+	yrs = 72;
+
+	/*
+	 * We want to keep the year set to 73 until March
+	 * for non-leap years, so that Feb, 29th is handled
+	 * correctly.
+	 */
+	if (!leap_yr && mon < 3) {
+		real_yrs--;
+		yrs = 73;
+	}
+#endif
+	/* These limits and adjustments are independent of
+	 * whether the chip is in binary mode or not.
+	 */
+	if (yrs > 169) {
+		spin_unlock_irq(&rtc_lock);
+		return -EINVAL;
+	}
+
+	if (yrs >= 100)
+		yrs -= 100;
+
+	if (!(CMOS_READ(RTC_CONTROL) & RTC_DM_BINARY)
+	    || RTC_ALWAYS_BCD) {
+		BIN_TO_BCD(sec);
+		BIN_TO_BCD(min);
+		BIN_TO_BCD(hrs);
+		BIN_TO_BCD(day);
+		BIN_TO_BCD(mon);
+		BIN_TO_BCD(yrs);
+	}
+
+	save_control = CMOS_READ(RTC_CONTROL);
+	CMOS_WRITE((save_control|RTC_SET), RTC_CONTROL);
+	save_freq_select = CMOS_READ(RTC_FREQ_SELECT);
+	CMOS_WRITE((save_freq_select|RTC_DIV_RESET2), RTC_FREQ_SELECT);
+
+#ifdef CONFIG_MACH_DECSTATION
+	CMOS_WRITE(real_yrs, RTC_DEC_YEAR);
+#endif
+	CMOS_WRITE(yrs, RTC_YEAR);
+	CMOS_WRITE(mon, RTC_MONTH);
+	CMOS_WRITE(day, RTC_DAY_OF_MONTH);
+	CMOS_WRITE(hrs, RTC_HOURS);
+	CMOS_WRITE(min, RTC_MINUTES);
+	CMOS_WRITE(sec, RTC_SECONDS);
+
+	CMOS_WRITE(save_control, RTC_CONTROL);
+	CMOS_WRITE(save_freq_select, RTC_FREQ_SELECT);
+
+	spin_unlock_irq(&rtc_lock);
+
+	return 0;
+}
+
+static inline unsigned int get_rtc_ss(void)
+{
+	struct rtc_time h;
+
+	get_rtc_time(&h);
+	return h.tm_sec;
+}
+
+static inline int get_rtc_pll(struct rtc_pll_info *pll)
+{
+	return -EINVAL;
+}
+static inline int set_rtc_pll(struct rtc_pll_info *pll)
+{
+	return -EINVAL;
+}
+
+#endif /* __KERNEL__ */
+#endif /* __ASM_RTC_H__ */
--- linux/include/asm-generic/sections.h
+++ linux/include/asm-generic/sections.h
@@ -0,0 +1,13 @@
+#ifndef _ASM_GENERIC_SECTIONS_H_
+#define _ASM_GENERIC_SECTIONS_H_
+
+/* References to section boundaries */
+
+extern char _text[], _stext[], _etext[];
+extern char _data[], _sdata[], _edata[];
+extern char __bss_start[], __bss_stop[];
+extern char __init_begin[], __init_end[];
+extern char _sinittext[], _einittext[];
+extern char _end[];
+
+#endif /* _ASM_GENERIC_SECTIONS_H_ */
--- linux/include/asm-generic/siginfo.h
+++ linux/include/asm-generic/siginfo.h
@@ -0,0 +1,288 @@
+#ifndef _ASM_GENERIC_SIGINFO_H
+#define _ASM_GENERIC_SIGINFO_H
+
+#include <linux/compiler.h>
+#include <linux/types.h>
+#include <linux/resource.h>
+
+typedef union sigval {
+	int sival_int;
+	void __user *sival_ptr;
+} sigval_t;
+
+/*
+ * This is the size (including padding) of the part of the
+ * struct siginfo that is before the union.
+ */
+#ifndef __ARCH_SI_PREAMBLE_SIZE
+#define __ARCH_SI_PREAMBLE_SIZE	(3 * sizeof(int))
+#endif
+
+#define SI_MAX_SIZE	128
+#ifndef SI_PAD_SIZE
+#define SI_PAD_SIZE	((SI_MAX_SIZE - __ARCH_SI_PREAMBLE_SIZE) / sizeof(int))
+#endif
+
+#ifndef __ARCH_SI_UID_T
+#define __ARCH_SI_UID_T	uid_t
+#endif
+
+/*
+ * The default "si_band" type is "long", as specified by POSIX.
+ * However, some architectures want to override this to "int"
+ * for historical compatibility reasons, so we allow that.
+ */
+#ifndef __ARCH_SI_BAND_T
+#define __ARCH_SI_BAND_T long
+#endif
+
+#ifndef HAVE_ARCH_SIGINFO_T
+
+typedef struct siginfo {
+	int si_signo;
+	int si_errno;
+	int si_code;
+
+	union {
+		int _pad[SI_PAD_SIZE];
+
+		/* kill() */
+		struct {
+			pid_t _pid;		/* sender's pid */
+			__ARCH_SI_UID_T _uid;	/* sender's uid */
+		} _kill;
+
+		/* POSIX.1b timers */
+		struct {
+			timer_t _tid;		/* timer id */
+			int _overrun;		/* overrun count */
+			char _pad[sizeof( __ARCH_SI_UID_T) - sizeof(int)];
+			sigval_t _sigval;	/* same as below */
+			int _sys_private;       /* not to be passed to user */
+		} _timer;
+
+		/* POSIX.1b signals */
+		struct {
+			pid_t _pid;		/* sender's pid */
+			__ARCH_SI_UID_T _uid;	/* sender's uid */
+			sigval_t _sigval;
+		} _rt;
+
+		/* SIGCHLD */
+		struct {
+			pid_t _pid;		/* which child */
+			__ARCH_SI_UID_T _uid;	/* sender's uid */
+			int _status;		/* exit code */
+			clock_t _utime;
+			clock_t _stime;
+		} _sigchld;
+
+		/* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
+		struct {
+			void __user *_addr; /* faulting insn/memory ref. */
+#ifdef __ARCH_SI_TRAPNO
+			int _trapno;	/* TRAP # which caused the signal */
+#endif
+		} _sigfault;
+
+		/* SIGPOLL */
+		struct {
+			__ARCH_SI_BAND_T _band;	/* POLL_IN, POLL_OUT, POLL_MSG */
+			int _fd;
+		} _sigpoll;
+	} _sifields;
+} siginfo_t;
+
+#endif
+
+/*
+ * How these fields are to be accessed.
+ */
+#define si_pid		_sifields._kill._pid
+#define si_uid		_sifields._kill._uid
+#define si_tid		_sifields._timer._tid
+#define si_overrun	_sifields._timer._overrun
+#define si_sys_private  _sifields._timer._sys_private
+#define si_status	_sifields._sigchld._status
+#define si_utime	_sifields._sigchld._utime
+#define si_stime	_sifields._sigchld._stime
+#define si_value	_sifields._rt._sigval
+#define si_int		_sifields._rt._sigval.sival_int
+#define si_ptr		_sifields._rt._sigval.sival_ptr
+#define si_addr		_sifields._sigfault._addr
+#ifdef __ARCH_SI_TRAPNO
+#define si_trapno	_sifields._sigfault._trapno
+#endif
+#define si_band		_sifields._sigpoll._band
+#define si_fd		_sifields._sigpoll._fd
+
+#ifdef __KERNEL__
+#define __SI_MASK	0xffff0000u
+#define __SI_KILL	(0 << 16)
+#define __SI_TIMER	(1 << 16)
+#define __SI_POLL	(2 << 16)
+#define __SI_FAULT	(3 << 16)
+#define __SI_CHLD	(4 << 16)
+#define __SI_RT		(5 << 16)
+#define __SI_MESGQ	(6 << 16)
+#define __SI_CODE(T,N)	((T) | ((N) & 0xffff))
+#else
+#define __SI_KILL	0
+#define __SI_TIMER	0
+#define __SI_POLL	0
+#define __SI_FAULT	0
+#define __SI_CHLD	0
+#define __SI_RT		0
+#define __SI_MESGQ	0
+#define __SI_CODE(T,N)	(N)
+#endif
+
+/*
+ * si_code values
+ * Digital reserves positive values for kernel-generated signals.
+ */
+#define SI_USER		0		/* sent by kill, sigsend, raise */
+#define SI_KERNEL	0x80		/* sent by the kernel from somewhere */
+#define SI_QUEUE	-1		/* sent by sigqueue */
+#define SI_TIMER __SI_CODE(__SI_TIMER,-2) /* sent by timer expiration */
+#define SI_MESGQ __SI_CODE(__SI_MESGQ,-3) /* sent by real time mesq state change */
+#define SI_ASYNCIO	-4		/* sent by AIO completion */
+#define SI_SIGIO	-5		/* sent by queued SIGIO */
+#define SI_TKILL	-6		/* sent by tkill system call */
+#define SI_DETHREAD	-7		/* sent by execve() killing subsidiary threads */
+
+#define SI_FROMUSER(siptr)	((siptr)->si_code <= 0)
+#define SI_FROMKERNEL(siptr)	((siptr)->si_code > 0)
+
+/*
+ * SIGILL si_codes
+ */
+#define ILL_ILLOPC	(__SI_FAULT|1)	/* illegal opcode */
+#define ILL_ILLOPN	(__SI_FAULT|2)	/* illegal operand */
+#define ILL_ILLADR	(__SI_FAULT|3)	/* illegal addressing mode */
+#define ILL_ILLTRP	(__SI_FAULT|4)	/* illegal trap */
+#define ILL_PRVOPC	(__SI_FAULT|5)	/* privileged opcode */
+#define ILL_PRVREG	(__SI_FAULT|6)	/* privileged register */
+#define ILL_COPROC	(__SI_FAULT|7)	/* coprocessor error */
+#define ILL_BADSTK	(__SI_FAULT|8)	/* internal stack error */
+#define NSIGILL		8
+
+/*
+ * SIGFPE si_codes
+ */
+#define FPE_INTDIV	(__SI_FAULT|1)	/* integer divide by zero */
+#define FPE_INTOVF	(__SI_FAULT|2)	/* integer overflow */
+#define FPE_FLTDIV	(__SI_FAULT|3)	/* floating point divide by zero */
+#define FPE_FLTOVF	(__SI_FAULT|4)	/* floating point overflow */
+#define FPE_FLTUND	(__SI_FAULT|5)	/* floating point underflow */
+#define FPE_FLTRES	(__SI_FAULT|6)	/* floating point inexact result */
+#define FPE_FLTINV	(__SI_FAULT|7)	/* floating point invalid operation */
+#define FPE_FLTSUB	(__SI_FAULT|8)	/* subscript out of range */
+#define NSIGFPE		8
+
+/*
+ * SIGSEGV si_codes
+ */
+#define SEGV_MAPERR	(__SI_FAULT|1)	/* address not mapped to object */
+#define SEGV_ACCERR	(__SI_FAULT|2)	/* invalid permissions for mapped object */
+#define NSIGSEGV	2
+
+/*
+ * SIGBUS si_codes
+ */
+#define BUS_ADRALN	(__SI_FAULT|1)	/* invalid address alignment */
+#define BUS_ADRERR	(__SI_FAULT|2)	/* non-existant physical address */
+#define BUS_OBJERR	(__SI_FAULT|3)	/* object specific hardware error */
+#define NSIGBUS		3
+
+/*
+ * SIGTRAP si_codes
+ */
+#define TRAP_BRKPT	(__SI_FAULT|1)	/* process breakpoint */
+#define TRAP_TRACE	(__SI_FAULT|2)	/* process trace trap */
+#define NSIGTRAP	2
+
+/*
+ * SIGCHLD si_codes
+ */
+#define CLD_EXITED	(__SI_CHLD|1)	/* child has exited */
+#define CLD_KILLED	(__SI_CHLD|2)	/* child was killed */
+#define CLD_DUMPED	(__SI_CHLD|3)	/* child terminated abnormally */
+#define CLD_TRAPPED	(__SI_CHLD|4)	/* traced child has trapped */
+#define CLD_STOPPED	(__SI_CHLD|5)	/* child has stopped */
+#define CLD_CONTINUED	(__SI_CHLD|6)	/* stopped child has continued */
+#define NSIGCHLD	6
+
+/*
+ * SIGPOLL si_codes
+ */
+#define POLL_IN		(__SI_POLL|1)	/* data input available */
+#define POLL_OUT	(__SI_POLL|2)	/* output buffers available */
+#define POLL_MSG	(__SI_POLL|3)	/* input message available */
+#define POLL_ERR	(__SI_POLL|4)	/* i/o error */
+#define POLL_PRI	(__SI_POLL|5)	/* high priority input available */
+#define POLL_HUP	(__SI_POLL|6)	/* device disconnected */
+#define NSIGPOLL	6
+
+/*
+ * sigevent definitions
+ * 
+ * It seems likely that SIGEV_THREAD will have to be handled from 
+ * userspace, libpthread transmuting it to SIGEV_SIGNAL, which the
+ * thread manager then catches and does the appropriate nonsense.
+ * However, everything is written out here so as to not get lost.
+ */
+#define SIGEV_SIGNAL	0	/* notify via signal */
+#define SIGEV_NONE	1	/* other notification: meaningless */
+#define SIGEV_THREAD	2	/* deliver via thread creation */
+#define SIGEV_THREAD_ID 4	/* deliver to thread */
+
+#define SIGEV_MAX_SIZE	64
+#ifndef SIGEV_PAD_SIZE
+#define SIGEV_PAD_SIZE	((SIGEV_MAX_SIZE/sizeof(int)) - 3)
+#endif
+
+typedef struct sigevent {
+	sigval_t sigev_value;
+	int sigev_signo;
+	int sigev_notify;
+	union {
+		int _pad[SIGEV_PAD_SIZE];
+		 int _tid;
+
+		struct {
+			void (*_function)(sigval_t);
+			void *_attribute;	/* really pthread_attr_t */
+		} _sigev_thread;
+	} _sigev_un;
+} sigevent_t;
+
+#define sigev_notify_function	_sigev_un._sigev_thread._function
+#define sigev_notify_attributes	_sigev_un._sigev_thread._attribute
+#define sigev_notify_thread_id	 _sigev_un._tid
+
+#ifdef __KERNEL__
+
+struct siginfo;
+void do_schedule_next_timer(struct siginfo *info);
+
+#ifndef HAVE_ARCH_COPY_SIGINFO
+
+#include <linux/string.h>
+
+static inline void copy_siginfo(struct siginfo *to, struct siginfo *from)
+{
+	if (from->si_code < 0)
+		memcpy(to, from, sizeof(*to));
+	else
+		/* _sigchld is currently the largest know union member */
+		memcpy(to, from, __ARCH_SI_PREAMBLE_SIZE + sizeof(from->_sifields._sigchld));
+}
+
+#endif
+
+extern int copy_siginfo_to_user(struct siginfo __user *to, struct siginfo *from);
+
+#endif /* __KERNEL__ */
+
+#endif
--- linux/include/asm-generic/statfs.h
+++ linux/include/asm-generic/statfs.h
@@ -0,0 +1,51 @@
+#ifndef _GENERIC_STATFS_H
+#define _GENERIC_STATFS_H
+
+#ifndef __KERNEL_STRICT_NAMES
+# include <linux/types.h>
+typedef __kernel_fsid_t	fsid_t;
+#endif
+
+struct statfs {
+	__u32 f_type;
+	__u32 f_bsize;
+	__u32 f_blocks;
+	__u32 f_bfree;
+	__u32 f_bavail;
+	__u32 f_files;
+	__u32 f_ffree;
+	__kernel_fsid_t f_fsid;
+	__u32 f_namelen;
+	__u32 f_frsize;
+	__u32 f_spare[5];
+};
+
+struct statfs64 {
+	__u32 f_type;
+	__u32 f_bsize;
+	__u64 f_blocks;
+	__u64 f_bfree;
+	__u64 f_bavail;
+	__u64 f_files;
+	__u64 f_ffree;
+	__kernel_fsid_t f_fsid;
+	__u32 f_namelen;
+	__u32 f_frsize;
+	__u32 f_spare[5];
+};
+
+struct compat_statfs64 {
+	__u32 f_type;
+	__u32 f_bsize;
+	__u64 f_blocks;
+	__u64 f_bfree;
+	__u64 f_bavail;
+	__u64 f_files;
+	__u64 f_ffree;
+	__kernel_fsid_t f_fsid;
+	__u32 f_namelen;
+	__u32 f_frsize;
+	__u32 f_spare[5];
+};
+
+#endif
--- linux/include/asm-generic/termios.h
+++ linux/include/asm-generic/termios.h
@@ -0,0 +1,69 @@
+/* termios.h: generic termios/termio user copying/translation
+ */
+
+#ifndef _ASM_GENERIC_TERMIOS_H
+#define _ASM_GENERIC_TERMIOS_H
+
+#include <asm/uaccess.h>
+
+#ifndef __ARCH_TERMIO_GETPUT
+
+/*
+ * Translate a "termio" structure into a "termios". Ugh.
+ */
+static inline int user_termio_to_kernel_termios(struct termios *termios,
+						struct termio __user *termio)
+{
+	unsigned short tmp;
+
+	if (get_user(tmp, &termio->c_iflag) < 0)
+		goto fault;
+	termios->c_iflag = (0xffff0000 & termios->c_iflag) | tmp;
+
+	if (get_user(tmp, &termio->c_oflag) < 0)
+		goto fault;
+	termios->c_oflag = (0xffff0000 & termios->c_oflag) | tmp;
+
+	if (get_user(tmp, &termio->c_cflag) < 0)
+		goto fault;
+	termios->c_cflag = (0xffff0000 & termios->c_cflag) | tmp;
+
+	if (get_user(tmp, &termio->c_lflag) < 0)
+		goto fault;
+	termios->c_lflag = (0xffff0000 & termios->c_lflag) | tmp;
+
+	if (get_user(termios->c_line, &termio->c_line) < 0)
+		goto fault;
+
+	if (copy_from_user(termios->c_cc, termio->c_cc, NCC) != 0)
+		goto fault;
+
+	return 0;
+
+ fault:
+	return -EFAULT;
+}
+
+/*
+ * Translate a "termios" structure into a "termio". Ugh.
+ */
+static inline int kernel_termios_to_user_termio(struct termio __user *termio,
+						struct termios *termios)
+{
+	if (put_user(termios->c_iflag, &termio->c_iflag) < 0 ||
+	    put_user(termios->c_oflag, &termio->c_oflag) < 0 ||
+	    put_user(termios->c_cflag, &termio->c_cflag) < 0 ||
+	    put_user(termios->c_lflag, &termio->c_lflag) < 0 ||
+	    put_user(termios->c_line,  &termio->c_line) < 0 ||
+	    copy_to_user(termio->c_cc, termios->c_cc, NCC) != 0)
+		return -EFAULT;
+
+	return 0;
+}
+
+#define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios))
+#define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios))
+
+#endif	/* __ARCH_TERMIO_GETPUT */
+
+#endif /* _ASM_GENERIC_TERMIOS_H */
--- linux/include/asm-generic/tlb.h
+++ linux/include/asm-generic/tlb.h
@@ -0,0 +1,160 @@
+/* asm-generic/tlb.h
+ *
+ *	Generic TLB shootdown code
+ *
+ * Copyright 2001 Red Hat, Inc.
+ * Based on code from mm/memory.c Copyright Linus Torvalds and others.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+#ifndef _ASM_GENERIC__TLB_H
+#define _ASM_GENERIC__TLB_H
+
+// #include <linux/config.h>
+#include <linux/swap.h>
+#include <asm/pgalloc.h>
+#include <asm/tlbflush.h>
+
+/*
+ * For UP we don't need to worry about TLB flush
+ * and page free order so much..
+ */
+#ifdef CONFIG_SMP
+  #define FREE_PTE_NR	506
+  #define tlb_fast_mode(tlb) ((tlb)->nr == ~0U)
+#else
+  #define FREE_PTE_NR	1
+  #define tlb_fast_mode(tlb) 1
+#endif
+
+/* struct mmu_gather is an opaque type used by the mm code for passing around
+ * any data needed by arch specific code for tlb_remove_page.  This structure
+ * can be per-CPU or per-MM as the page table lock is held for the duration of
+ * TLB shootdown.
+ */
+struct mmu_gather {
+	struct mm_struct	*mm;
+	unsigned int		nr;	/* set to ~0U means fast mode */
+	unsigned int		need_flush;/* Really unmapped some ptes? */
+	unsigned int		fullmm; /* non-zero means full mm flush */
+	unsigned long		freed;
+	struct page *		pages[FREE_PTE_NR];
+};
+
+/* Users of the generic TLB shootdown code must declare this storage space. */
+DECLARE_PER_CPU(struct mmu_gather, mmu_gathers);
+
+/* tlb_gather_mmu
+ *	Return a pointer to an initialized struct mmu_gather.
+ */
+static inline struct mmu_gather *
+tlb_gather_mmu(struct mm_struct *mm, unsigned int full_mm_flush)
+{
+	struct mmu_gather *tlb = &per_cpu(mmu_gathers, smp_processor_id());
+
+	tlb->mm = mm;
+
+	/* Use fast mode if only one CPU is online */
+	tlb->nr = num_online_cpus() > 1 ? 0U : ~0U;
+
+	tlb->fullmm = full_mm_flush;
+	tlb->freed = 0;
+
+	return tlb;
+}
+
+static inline void
+tlb_flush_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end)
+{
+	if (!tlb->need_flush)
+		return;
+	tlb->need_flush = 0;
+	tlb_flush(tlb);
+	if (!tlb_fast_mode(tlb)) {
+		free_pages_and_swap_cache(tlb->pages, tlb->nr);
+		tlb->nr = 0;
+	}
+}
+
+/* tlb_finish_mmu
+ *	Called at the end of the shootdown operation to free up any resources
+ *	that were required.  The page table lock is still held at this point.
+ */
+static inline void
+tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end)
+{
+	int freed = tlb->freed;
+	struct mm_struct *mm = tlb->mm;
+	int rss = mm->rss;
+
+	if (rss < freed)
+		freed = rss;
+	mm->rss = rss - freed;
+	tlb_flush_mmu(tlb, start, end);
+
+	/* keep the page table cache within bounds */
+	check_pgt_cache();
+}
+
+static inline unsigned int
+tlb_is_full_mm(struct mmu_gather *tlb)
+{
+	return tlb->fullmm;
+}
+
+/* tlb_remove_page
+ *	Must perform the equivalent to __free_pte(pte_get_and_clear(ptep)), while
+ *	handling the additional races in SMP caused by other CPUs caching valid
+ *	mappings in their TLBs.
+ */
+static inline void tlb_remove_page(struct mmu_gather *tlb, struct page *page)
+{
+	tlb->need_flush = 1;
+	if (tlb_fast_mode(tlb)) {
+		free_page_and_swap_cache(page);
+		return;
+	}
+	tlb->pages[tlb->nr++] = page;
+	if (tlb->nr >= FREE_PTE_NR)
+		tlb_flush_mmu(tlb, 0, 0);
+}
+
+/**
+ * tlb_remove_tlb_entry - remember a pte unmapping for later tlb invalidation.
+ *
+ * Record the fact that pte's were really umapped in ->need_flush, so we can
+ * later optimise away the tlb invalidate.   This helps when userspace is
+ * unmapping already-unmapped pages, which happens quite a lot.
+ */
+#define tlb_remove_tlb_entry(tlb, ptep, address)		\
+	do {							\
+		tlb->need_flush = 1;				\
+		__tlb_remove_tlb_entry(tlb, ptep, address);	\
+	} while (0)
+
+#define pte_free_tlb(tlb, ptep)					\
+	do {							\
+		tlb->need_flush = 1;				\
+		__pte_free_tlb(tlb, ptep);			\
+	} while (0)
+
+#ifndef __ARCH_HAS_4LEVEL_HACK
+#define pud_free_tlb(tlb, pudp)					\
+	do {							\
+		tlb->need_flush = 1;				\
+		__pud_free_tlb(tlb, pudp);			\
+	} while (0)
+#endif
+
+#define pmd_free_tlb(tlb, pmdp)					\
+	do {							\
+		tlb->need_flush = 1;				\
+		__pmd_free_tlb(tlb, pmdp);			\
+	} while (0)
+
+#define tlb_migrate_finish(mm) do {} while (0)
+
+#endif /* _ASM_GENERIC__TLB_H */
--- linux/include/asm-generic/topology.h
+++ linux/include/asm-generic/topology.h
@@ -0,0 +1,48 @@
+/*
+ * linux/include/asm-generic/topology.h
+ *
+ * Written by: Matthew Dobson, IBM Corporation
+ *
+ * Copyright (C) 2002, IBM Corp.
+ *
+ * All rights reserved.          
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * Send feedback to <colpatch@us.ibm.com>
+ */
+#ifndef _ASM_GENERIC_TOPOLOGY_H
+#define _ASM_GENERIC_TOPOLOGY_H
+
+/* Other architectures wishing to use this simple topology API should fill
+   in the below functions as appropriate in their own <asm/topology.h> file. */
+#ifndef cpu_to_node
+#define cpu_to_node(cpu)	(0)
+#endif
+#ifndef parent_node
+#define parent_node(node)	(0)
+#endif
+#ifndef node_to_cpumask
+#define node_to_cpumask(node)	(cpu_online_map)
+#endif
+#ifndef node_to_first_cpu
+#define node_to_first_cpu(node)	(0)
+#endif
+#ifndef pcibus_to_cpumask
+#define pcibus_to_cpumask(bus)	(cpu_online_map)
+#endif
+
+#endif /* _ASM_GENERIC_TOPOLOGY_H */
--- linux/include/asm-generic/uaccess.h
+++ linux/include/asm-generic/uaccess.h
@@ -0,0 +1,26 @@
+#ifndef _ASM_GENERIC_UACCESS_H_
+#define _ASM_GENERIC_UACCESS_H_
+
+/*
+ * This macro should be used instead of __get_user() when accessing
+ * values at locations that are not known to be aligned.
+ */
+#define __get_user_unaligned(x, ptr)					\
+({									\
+	__typeof__ (*(ptr)) __x;					\
+	__copy_from_user(&__x, (ptr), sizeof(*(ptr))) ? -EFAULT : 0;	\
+	(x) = __x;							\
+})
+
+
+/*
+ * This macro should be used instead of __put_user() when accessing
+ * values at locations that are not known to be aligned.
+ */
+#define __put_user_unaligned(x, ptr)					\
+({									\
+	__typeof__ (*(ptr)) __x = (x);					\
+	__copy_to_user((ptr), &__x, sizeof(*(ptr))) ? -EFAULT : 0;	\
+})
+
+#endif /* _ASM_GENERIC_UACCESS_H */
--- linux/include/asm-generic/unaligned.h
+++ linux/include/asm-generic/unaligned.h
@@ -0,0 +1,20 @@
+#ifndef _ASM_GENERIC_UNALIGNED_H_
+#define _ASM_GENERIC_UNALIGNED_H_
+
+/*
+ * For the benefit of those who are trying to port Linux to another
+ * architecture, here are some C-language equivalents. 
+ */
+
+#include <asm/string.h>
+
+
+#define get_unaligned(ptr) \
+  ({ __typeof__(*(ptr)) __tmp; memcpy(&__tmp, (ptr), sizeof(*(ptr))); __tmp; })
+
+#define put_unaligned(val, ptr)				\
+  ({ __typeof__(*(ptr)) __tmp = (val);			\
+     memcpy((ptr), &__tmp, sizeof(*(ptr)));		\
+     (void)0; })
+
+#endif /* _ASM_GENERIC_UNALIGNED_H */
--- linux/include/asm-generic/vmlinux.lds.h
+++ linux/include/asm-generic/vmlinux.lds.h
@@ -0,0 +1,90 @@
+#ifndef LOAD_OFFSET
+#define LOAD_OFFSET 0
+#endif
+
+#ifndef VMLINUX_SYMBOL
+#define VMLINUX_SYMBOL(_sym_) _sym_
+#endif
+
+#define RODATA								\
+	.rodata           : AT(ADDR(.rodata) - LOAD_OFFSET) {		\
+		*(.rodata) *(.rodata.*)					\
+		*(__vermagic)		/* Kernel version magic */	\
+	}								\
+									\
+	.rodata1          : AT(ADDR(.rodata1) - LOAD_OFFSET) {		\
+		*(.rodata1)						\
+	}								\
+									\
+	/* PCI quirks */						\
+	.pci_fixup        : AT(ADDR(.pci_fixup) - LOAD_OFFSET) {	\
+		VMLINUX_SYMBOL(__start_pci_fixups_early) = .;		\
+		*(.pci_fixup_early)					\
+		VMLINUX_SYMBOL(__end_pci_fixups_early) = .;		\
+		VMLINUX_SYMBOL(__start_pci_fixups_header) = .;		\
+		*(.pci_fixup_header)					\
+		VMLINUX_SYMBOL(__end_pci_fixups_header) = .;		\
+		VMLINUX_SYMBOL(__start_pci_fixups_final) = .;		\
+		*(.pci_fixup_final)					\
+		VMLINUX_SYMBOL(__end_pci_fixups_final) = .;		\
+		VMLINUX_SYMBOL(__start_pci_fixups_enable) = .;		\
+		*(.pci_fixup_enable)					\
+		VMLINUX_SYMBOL(__end_pci_fixups_enable) = .;		\
+	}								\
+									\
+	/* Kernel symbol table: Normal symbols */			\
+	__ksymtab         : AT(ADDR(__ksymtab) - LOAD_OFFSET) {		\
+		VMLINUX_SYMBOL(__start___ksymtab) = .;			\
+		*(__ksymtab)						\
+		VMLINUX_SYMBOL(__stop___ksymtab) = .;			\
+	}								\
+									\
+	/* Kernel symbol table: GPL-only symbols */			\
+	__ksymtab_gpl     : AT(ADDR(__ksymtab_gpl) - LOAD_OFFSET) {	\
+		VMLINUX_SYMBOL(__start___ksymtab_gpl) = .;		\
+		*(__ksymtab_gpl)					\
+		VMLINUX_SYMBOL(__stop___ksymtab_gpl) = .;		\
+	}								\
+									\
+	/* Kernel symbol table: Normal symbols */			\
+	__kcrctab         : AT(ADDR(__kcrctab) - LOAD_OFFSET) {		\
+		VMLINUX_SYMBOL(__start___kcrctab) = .;			\
+		*(__kcrctab)						\
+		VMLINUX_SYMBOL(__stop___kcrctab) = .;			\
+	}								\
+									\
+	/* Kernel symbol table: GPL-only symbols */			\
+	__kcrctab_gpl     : AT(ADDR(__kcrctab_gpl) - LOAD_OFFSET) {	\
+		VMLINUX_SYMBOL(__start___kcrctab_gpl) = .;		\
+		*(__kcrctab_gpl)					\
+		VMLINUX_SYMBOL(__stop___kcrctab_gpl) = .;		\
+	}								\
+									\
+	/* Kernel symbol table: strings */				\
+        __ksymtab_strings : AT(ADDR(__ksymtab_strings) - LOAD_OFFSET) {	\
+		*(__ksymtab_strings)					\
+	}								\
+									\
+	/* Built-in module parameters. */				\
+	__param : AT(ADDR(__param) - LOAD_OFFSET) {			\
+		VMLINUX_SYMBOL(__start___param) = .;			\
+		*(__param)						\
+		VMLINUX_SYMBOL(__stop___param) = .;			\
+	}
+
+#define SECURITY_INIT							\
+	.security_initcall.init : {					\
+		VMLINUX_SYMBOL(__security_initcall_start) = .;		\
+		*(.security_initcall.init) 				\
+		VMLINUX_SYMBOL(__security_initcall_end) = .;		\
+	}
+
+#define SCHED_TEXT							\
+		VMLINUX_SYMBOL(__sched_text_start) = .;			\
+		*(.sched.text)						\
+		VMLINUX_SYMBOL(__sched_text_end) = .;
+
+#define LOCK_TEXT							\
+		VMLINUX_SYMBOL(__lock_text_start) = .;			\
+		*(.spinlock.text)					\
+		VMLINUX_SYMBOL(__lock_text_end) = .;
--- linux/include/asm-generic/xor.h
+++ linux/include/asm-generic/xor.h
@@ -0,0 +1,718 @@
+/*
+ * include/asm-generic/xor.h
+ *
+ * Generic optimized RAID-5 checksumming functions.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * You should have received a copy of the GNU General Public License
+ * (for example /usr/src/linux/COPYING); if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <asm/processor.h>
+
+static void
+xor_8regs_2(unsigned long bytes, unsigned long *p1, unsigned long *p2)
+{
+	long lines = bytes / (sizeof (long)) / 8;
+
+	do {
+		p1[0] ^= p2[0];
+		p1[1] ^= p2[1];
+		p1[2] ^= p2[2];
+		p1[3] ^= p2[3];
+		p1[4] ^= p2[4];
+		p1[5] ^= p2[5];
+		p1[6] ^= p2[6];
+		p1[7] ^= p2[7];
+		p1 += 8;
+		p2 += 8;
+	} while (--lines > 0);
+}
+
+static void
+xor_8regs_3(unsigned long bytes, unsigned long *p1, unsigned long *p2,
+	    unsigned long *p3)
+{
+	long lines = bytes / (sizeof (long)) / 8;
+
+	do {
+		p1[0] ^= p2[0] ^ p3[0];
+		p1[1] ^= p2[1] ^ p3[1];
+		p1[2] ^= p2[2] ^ p3[2];
+		p1[3] ^= p2[3] ^ p3[3];
+		p1[4] ^= p2[4] ^ p3[4];
+		p1[5] ^= p2[5] ^ p3[5];
+		p1[6] ^= p2[6] ^ p3[6];
+		p1[7] ^= p2[7] ^ p3[7];
+		p1 += 8;
+		p2 += 8;
+		p3 += 8;
+	} while (--lines > 0);
+}
+
+static void
+xor_8regs_4(unsigned long bytes, unsigned long *p1, unsigned long *p2,
+	    unsigned long *p3, unsigned long *p4)
+{
+	long lines = bytes / (sizeof (long)) / 8;
+
+	do {
+		p1[0] ^= p2[0] ^ p3[0] ^ p4[0];
+		p1[1] ^= p2[1] ^ p3[1] ^ p4[1];
+		p1[2] ^= p2[2] ^ p3[2] ^ p4[2];
+		p1[3] ^= p2[3] ^ p3[3] ^ p4[3];
+		p1[4] ^= p2[4] ^ p3[4] ^ p4[4];
+		p1[5] ^= p2[5] ^ p3[5] ^ p4[5];
+		p1[6] ^= p2[6] ^ p3[6] ^ p4[6];
+		p1[7] ^= p2[7] ^ p3[7] ^ p4[7];
+		p1 += 8;
+		p2 += 8;
+		p3 += 8;
+		p4 += 8;
+	} while (--lines > 0);
+}
+
+static void
+xor_8regs_5(unsigned long bytes, unsigned long *p1, unsigned long *p2,
+	    unsigned long *p3, unsigned long *p4, unsigned long *p5)
+{
+	long lines = bytes / (sizeof (long)) / 8;
+
+	do {
+		p1[0] ^= p2[0] ^ p3[0] ^ p4[0] ^ p5[0];
+		p1[1] ^= p2[1] ^ p3[1] ^ p4[1] ^ p5[1];
+		p1[2] ^= p2[2] ^ p3[2] ^ p4[2] ^ p5[2];
+		p1[3] ^= p2[3] ^ p3[3] ^ p4[3] ^ p5[3];
+		p1[4] ^= p2[4] ^ p3[4] ^ p4[4] ^ p5[4];
+		p1[5] ^= p2[5] ^ p3[5] ^ p4[5] ^ p5[5];
+		p1[6] ^= p2[6] ^ p3[6] ^ p4[6] ^ p5[6];
+		p1[7] ^= p2[7] ^ p3[7] ^ p4[7] ^ p5[7];
+		p1 += 8;
+		p2 += 8;
+		p3 += 8;
+		p4 += 8;
+		p5 += 8;
+	} while (--lines > 0);
+}
+
+static void
+xor_32regs_2(unsigned long bytes, unsigned long *p1, unsigned long *p2)
+{
+	long lines = bytes / (sizeof (long)) / 8;
+
+	do {
+		register long d0, d1, d2, d3, d4, d5, d6, d7;
+		d0 = p1[0];	/* Pull the stuff into registers	*/
+		d1 = p1[1];	/*  ... in bursts, if possible.		*/
+		d2 = p1[2];
+		d3 = p1[3];
+		d4 = p1[4];
+		d5 = p1[5];
+		d6 = p1[6];
+		d7 = p1[7];
+		d0 ^= p2[0];
+		d1 ^= p2[1];
+		d2 ^= p2[2];
+		d3 ^= p2[3];
+		d4 ^= p2[4];
+		d5 ^= p2[5];
+		d6 ^= p2[6];
+		d7 ^= p2[7];
+		p1[0] = d0;	/* Store the result (in bursts)		*/
+		p1[1] = d1;
+		p1[2] = d2;
+		p1[3] = d3;
+		p1[4] = d4;
+		p1[5] = d5;
+		p1[6] = d6;
+		p1[7] = d7;
+		p1 += 8;
+		p2 += 8;
+	} while (--lines > 0);
+}
+
+static void
+xor_32regs_3(unsigned long bytes, unsigned long *p1, unsigned long *p2,
+	    unsigned long *p3)
+{
+	long lines = bytes / (sizeof (long)) / 8;
+
+	do {
+		register long d0, d1, d2, d3, d4, d5, d6, d7;
+		d0 = p1[0];	/* Pull the stuff into registers	*/
+		d1 = p1[1];	/*  ... in bursts, if possible.		*/
+		d2 = p1[2];
+		d3 = p1[3];
+		d4 = p1[4];
+		d5 = p1[5];
+		d6 = p1[6];
+		d7 = p1[7];
+		d0 ^= p2[0];
+		d1 ^= p2[1];
+		d2 ^= p2[2];
+		d3 ^= p2[3];
+		d4 ^= p2[4];
+		d5 ^= p2[5];
+		d6 ^= p2[6];
+		d7 ^= p2[7];
+		d0 ^= p3[0];
+		d1 ^= p3[1];
+		d2 ^= p3[2];
+		d3 ^= p3[3];
+		d4 ^= p3[4];
+		d5 ^= p3[5];
+		d6 ^= p3[6];
+		d7 ^= p3[7];
+		p1[0] = d0;	/* Store the result (in bursts)		*/
+		p1[1] = d1;
+		p1[2] = d2;
+		p1[3] = d3;
+		p1[4] = d4;
+		p1[5] = d5;
+		p1[6] = d6;
+		p1[7] = d7;
+		p1 += 8;
+		p2 += 8;
+		p3 += 8;
+	} while (--lines > 0);
+}
+
+static void
+xor_32regs_4(unsigned long bytes, unsigned long *p1, unsigned long *p2,
+	    unsigned long *p3, unsigned long *p4)
+{
+	long lines = bytes / (sizeof (long)) / 8;
+
+	do {
+		register long d0, d1, d2, d3, d4, d5, d6, d7;
+		d0 = p1[0];	/* Pull the stuff into registers	*/
+		d1 = p1[1];	/*  ... in bursts, if possible.		*/
+		d2 = p1[2];
+		d3 = p1[3];
+		d4 = p1[4];
+		d5 = p1[5];
+		d6 = p1[6];
+		d7 = p1[7];
+		d0 ^= p2[0];
+		d1 ^= p2[1];
+		d2 ^= p2[2];
+		d3 ^= p2[3];
+		d4 ^= p2[4];
+		d5 ^= p2[5];
+		d6 ^= p2[6];
+		d7 ^= p2[7];
+		d0 ^= p3[0];
+		d1 ^= p3[1];
+		d2 ^= p3[2];
+		d3 ^= p3[3];
+		d4 ^= p3[4];
+		d5 ^= p3[5];
+		d6 ^= p3[6];
+		d7 ^= p3[7];
+		d0 ^= p4[0];
+		d1 ^= p4[1];
+		d2 ^= p4[2];
+		d3 ^= p4[3];
+		d4 ^= p4[4];
+		d5 ^= p4[5];
+		d6 ^= p4[6];
+		d7 ^= p4[7];
+		p1[0] = d0;	/* Store the result (in bursts)		*/
+		p1[1] = d1;
+		p1[2] = d2;
+		p1[3] = d3;
+		p1[4] = d4;
+		p1[5] = d5;
+		p1[6] = d6;
+		p1[7] = d7;
+		p1 += 8;
+		p2 += 8;
+		p3 += 8;
+		p4 += 8;
+	} while (--lines > 0);
+}
+
+static void
+xor_32regs_5(unsigned long bytes, unsigned long *p1, unsigned long *p2,
+	    unsigned long *p3, unsigned long *p4, unsigned long *p5)
+{
+	long lines = bytes / (sizeof (long)) / 8;
+
+	do {
+		register long d0, d1, d2, d3, d4, d5, d6, d7;
+		d0 = p1[0];	/* Pull the stuff into registers	*/
+		d1 = p1[1];	/*  ... in bursts, if possible.		*/
+		d2 = p1[2];
+		d3 = p1[3];
+		d4 = p1[4];
+		d5 = p1[5];
+		d6 = p1[6];
+		d7 = p1[7];
+		d0 ^= p2[0];
+		d1 ^= p2[1];
+		d2 ^= p2[2];
+		d3 ^= p2[3];
+		d4 ^= p2[4];
+		d5 ^= p2[5];
+		d6 ^= p2[6];
+		d7 ^= p2[7];
+		d0 ^= p3[0];
+		d1 ^= p3[1];
+		d2 ^= p3[2];
+		d3 ^= p3[3];
+		d4 ^= p3[4];
+		d5 ^= p3[5];
+		d6 ^= p3[6];
+		d7 ^= p3[7];
+		d0 ^= p4[0];
+		d1 ^= p4[1];
+		d2 ^= p4[2];
+		d3 ^= p4[3];
+		d4 ^= p4[4];
+		d5 ^= p4[5];
+		d6 ^= p4[6];
+		d7 ^= p4[7];
+		d0 ^= p5[0];
+		d1 ^= p5[1];
+		d2 ^= p5[2];
+		d3 ^= p5[3];
+		d4 ^= p5[4];
+		d5 ^= p5[5];
+		d6 ^= p5[6];
+		d7 ^= p5[7];
+		p1[0] = d0;	/* Store the result (in bursts)		*/
+		p1[1] = d1;
+		p1[2] = d2;
+		p1[3] = d3;
+		p1[4] = d4;
+		p1[5] = d5;
+		p1[6] = d6;
+		p1[7] = d7;
+		p1 += 8;
+		p2 += 8;
+		p3 += 8;
+		p4 += 8;
+		p5 += 8;
+	} while (--lines > 0);
+}
+
+static void
+xor_8regs_p_2(unsigned long bytes, unsigned long *p1, unsigned long *p2)
+{
+	long lines = bytes / (sizeof (long)) / 8 - 1;
+	prefetchw(p1);
+	prefetch(p2);
+
+	do {
+		prefetchw(p1+8);
+		prefetch(p2+8);
+ once_more:
+		p1[0] ^= p2[0];
+		p1[1] ^= p2[1];
+		p1[2] ^= p2[2];
+		p1[3] ^= p2[3];
+		p1[4] ^= p2[4];
+		p1[5] ^= p2[5];
+		p1[6] ^= p2[6];
+		p1[7] ^= p2[7];
+		p1 += 8;
+		p2 += 8;
+	} while (--lines > 0);
+	if (lines == 0)
+		goto once_more;
+}
+
+static void
+xor_8regs_p_3(unsigned long bytes, unsigned long *p1, unsigned long *p2,
+	    unsigned long *p3)
+{
+	long lines = bytes / (sizeof (long)) / 8 - 1;
+	prefetchw(p1);
+	prefetch(p2);
+	prefetch(p3);
+
+	do {
+		prefetchw(p1+8);
+		prefetch(p2+8);
+		prefetch(p3+8);
+ once_more:
+		p1[0] ^= p2[0] ^ p3[0];
+		p1[1] ^= p2[1] ^ p3[1];
+		p1[2] ^= p2[2] ^ p3[2];
+		p1[3] ^= p2[3] ^ p3[3];
+		p1[4] ^= p2[4] ^ p3[4];
+		p1[5] ^= p2[5] ^ p3[5];
+		p1[6] ^= p2[6] ^ p3[6];
+		p1[7] ^= p2[7] ^ p3[7];
+		p1 += 8;
+		p2 += 8;
+		p3 += 8;
+	} while (--lines > 0);
+	if (lines == 0)
+		goto once_more;
+}
+
+static void
+xor_8regs_p_4(unsigned long bytes, unsigned long *p1, unsigned long *p2,
+	    unsigned long *p3, unsigned long *p4)
+{
+	long lines = bytes / (sizeof (long)) / 8 - 1;
+
+	prefetchw(p1);
+	prefetch(p2);
+	prefetch(p3);
+	prefetch(p4);
+
+	do {
+		prefetchw(p1+8);
+		prefetch(p2+8);
+		prefetch(p3+8);
+		prefetch(p4+8);
+ once_more:
+		p1[0] ^= p2[0] ^ p3[0] ^ p4[0];
+		p1[1] ^= p2[1] ^ p3[1] ^ p4[1];
+		p1[2] ^= p2[2] ^ p3[2] ^ p4[2];
+		p1[3] ^= p2[3] ^ p3[3] ^ p4[3];
+		p1[4] ^= p2[4] ^ p3[4] ^ p4[4];
+		p1[5] ^= p2[5] ^ p3[5] ^ p4[5];
+		p1[6] ^= p2[6] ^ p3[6] ^ p4[6];
+		p1[7] ^= p2[7] ^ p3[7] ^ p4[7];
+		p1 += 8;
+		p2 += 8;
+		p3 += 8;
+		p4 += 8;
+	} while (--lines > 0);
+	if (lines == 0)
+		goto once_more;
+}
+
+static void
+xor_8regs_p_5(unsigned long bytes, unsigned long *p1, unsigned long *p2,
+	    unsigned long *p3, unsigned long *p4, unsigned long *p5)
+{
+	long lines = bytes / (sizeof (long)) / 8 - 1;
+
+	prefetchw(p1);
+	prefetch(p2);
+	prefetch(p3);
+	prefetch(p4);
+	prefetch(p5);
+
+	do {
+		prefetchw(p1+8);
+		prefetch(p2+8);
+		prefetch(p3+8);
+		prefetch(p4+8);
+		prefetch(p5+8);
+ once_more:
+		p1[0] ^= p2[0] ^ p3[0] ^ p4[0] ^ p5[0];
+		p1[1] ^= p2[1] ^ p3[1] ^ p4[1] ^ p5[1];
+		p1[2] ^= p2[2] ^ p3[2] ^ p4[2] ^ p5[2];
+		p1[3] ^= p2[3] ^ p3[3] ^ p4[3] ^ p5[3];
+		p1[4] ^= p2[4] ^ p3[4] ^ p4[4] ^ p5[4];
+		p1[5] ^= p2[5] ^ p3[5] ^ p4[5] ^ p5[5];
+		p1[6] ^= p2[6] ^ p3[6] ^ p4[6] ^ p5[6];
+		p1[7] ^= p2[7] ^ p3[7] ^ p4[7] ^ p5[7];
+		p1 += 8;
+		p2 += 8;
+		p3 += 8;
+		p4 += 8;
+		p5 += 8;
+	} while (--lines > 0);
+	if (lines == 0)
+		goto once_more;
+}
+
+static void
+xor_32regs_p_2(unsigned long bytes, unsigned long *p1, unsigned long *p2)
+{
+	long lines = bytes / (sizeof (long)) / 8 - 1;
+
+	prefetchw(p1);
+	prefetch(p2);
+
+	do {
+		register long d0, d1, d2, d3, d4, d5, d6, d7;
+
+		prefetchw(p1+8);
+		prefetch(p2+8);
+ once_more:
+		d0 = p1[0];	/* Pull the stuff into registers	*/
+		d1 = p1[1];	/*  ... in bursts, if possible.		*/
+		d2 = p1[2];
+		d3 = p1[3];
+		d4 = p1[4];
+		d5 = p1[5];
+		d6 = p1[6];
+		d7 = p1[7];
+		d0 ^= p2[0];
+		d1 ^= p2[1];
+		d2 ^= p2[2];
+		d3 ^= p2[3];
+		d4 ^= p2[4];
+		d5 ^= p2[5];
+		d6 ^= p2[6];
+		d7 ^= p2[7];
+		p1[0] = d0;	/* Store the result (in bursts)		*/
+		p1[1] = d1;
+		p1[2] = d2;
+		p1[3] = d3;
+		p1[4] = d4;
+		p1[5] = d5;
+		p1[6] = d6;
+		p1[7] = d7;
+		p1 += 8;
+		p2 += 8;
+	} while (--lines > 0);
+	if (lines == 0)
+		goto once_more;
+}
+
+static void
+xor_32regs_p_3(unsigned long bytes, unsigned long *p1, unsigned long *p2,
+	    unsigned long *p3)
+{
+	long lines = bytes / (sizeof (long)) / 8 - 1;
+
+	prefetchw(p1);
+	prefetch(p2);
+	prefetch(p3);
+
+	do {
+		register long d0, d1, d2, d3, d4, d5, d6, d7;
+
+		prefetchw(p1+8);
+		prefetch(p2+8);
+		prefetch(p3+8);
+ once_more:
+		d0 = p1[0];	/* Pull the stuff into registers	*/
+		d1 = p1[1];	/*  ... in bursts, if possible.		*/
+		d2 = p1[2];
+		d3 = p1[3];
+		d4 = p1[4];
+		d5 = p1[5];
+		d6 = p1[6];
+		d7 = p1[7];
+		d0 ^= p2[0];
+		d1 ^= p2[1];
+		d2 ^= p2[2];
+		d3 ^= p2[3];
+		d4 ^= p2[4];
+		d5 ^= p2[5];
+		d6 ^= p2[6];
+		d7 ^= p2[7];
+		d0 ^= p3[0];
+		d1 ^= p3[1];
+		d2 ^= p3[2];
+		d3 ^= p3[3];
+		d4 ^= p3[4];
+		d5 ^= p3[5];
+		d6 ^= p3[6];
+		d7 ^= p3[7];
+		p1[0] = d0;	/* Store the result (in bursts)		*/
+		p1[1] = d1;
+		p1[2] = d2;
+		p1[3] = d3;
+		p1[4] = d4;
+		p1[5] = d5;
+		p1[6] = d6;
+		p1[7] = d7;
+		p1 += 8;
+		p2 += 8;
+		p3 += 8;
+	} while (--lines > 0);
+	if (lines == 0)
+		goto once_more;
+}
+
+static void
+xor_32regs_p_4(unsigned long bytes, unsigned long *p1, unsigned long *p2,
+	    unsigned long *p3, unsigned long *p4)
+{
+	long lines = bytes / (sizeof (long)) / 8 - 1;
+
+	prefetchw(p1);
+	prefetch(p2);
+	prefetch(p3);
+	prefetch(p4);
+
+	do {
+		register long d0, d1, d2, d3, d4, d5, d6, d7;
+
+		prefetchw(p1+8);
+		prefetch(p2+8);
+		prefetch(p3+8);
+		prefetch(p4+8);
+ once_more:
+		d0 = p1[0];	/* Pull the stuff into registers	*/
+		d1 = p1[1];	/*  ... in bursts, if possible.		*/
+		d2 = p1[2];
+		d3 = p1[3];
+		d4 = p1[4];
+		d5 = p1[5];
+		d6 = p1[6];
+		d7 = p1[7];
+		d0 ^= p2[0];
+		d1 ^= p2[1];
+		d2 ^= p2[2];
+		d3 ^= p2[3];
+		d4 ^= p2[4];
+		d5 ^= p2[5];
+		d6 ^= p2[6];
+		d7 ^= p2[7];
+		d0 ^= p3[0];
+		d1 ^= p3[1];
+		d2 ^= p3[2];
+		d3 ^= p3[3];
+		d4 ^= p3[4];
+		d5 ^= p3[5];
+		d6 ^= p3[6];
+		d7 ^= p3[7];
+		d0 ^= p4[0];
+		d1 ^= p4[1];
+		d2 ^= p4[2];
+		d3 ^= p4[3];
+		d4 ^= p4[4];
+		d5 ^= p4[5];
+		d6 ^= p4[6];
+		d7 ^= p4[7];
+		p1[0] = d0;	/* Store the result (in bursts)		*/
+		p1[1] = d1;
+		p1[2] = d2;
+		p1[3] = d3;
+		p1[4] = d4;
+		p1[5] = d5;
+		p1[6] = d6;
+		p1[7] = d7;
+		p1 += 8;
+		p2 += 8;
+		p3 += 8;
+		p4 += 8;
+	} while (--lines > 0);
+	if (lines == 0)
+		goto once_more;
+}
+
+static void
+xor_32regs_p_5(unsigned long bytes, unsigned long *p1, unsigned long *p2,
+	    unsigned long *p3, unsigned long *p4, unsigned long *p5)
+{
+	long lines = bytes / (sizeof (long)) / 8 - 1;
+
+	prefetchw(p1);
+	prefetch(p2);
+	prefetch(p3);
+	prefetch(p4);
+	prefetch(p5);
+
+	do {
+		register long d0, d1, d2, d3, d4, d5, d6, d7;
+
+		prefetchw(p1+8);
+		prefetch(p2+8);
+		prefetch(p3+8);
+		prefetch(p4+8);
+		prefetch(p5+8);
+ once_more:
+		d0 = p1[0];	/* Pull the stuff into registers	*/
+		d1 = p1[1];	/*  ... in bursts, if possible.		*/
+		d2 = p1[2];
+		d3 = p1[3];
+		d4 = p1[4];
+		d5 = p1[5];
+		d6 = p1[6];
+		d7 = p1[7];
+		d0 ^= p2[0];
+		d1 ^= p2[1];
+		d2 ^= p2[2];
+		d3 ^= p2[3];
+		d4 ^= p2[4];
+		d5 ^= p2[5];
+		d6 ^= p2[6];
+		d7 ^= p2[7];
+		d0 ^= p3[0];
+		d1 ^= p3[1];
+		d2 ^= p3[2];
+		d3 ^= p3[3];
+		d4 ^= p3[4];
+		d5 ^= p3[5];
+		d6 ^= p3[6];
+		d7 ^= p3[7];
+		d0 ^= p4[0];
+		d1 ^= p4[1];
+		d2 ^= p4[2];
+		d3 ^= p4[3];
+		d4 ^= p4[4];
+		d5 ^= p4[5];
+		d6 ^= p4[6];
+		d7 ^= p4[7];
+		d0 ^= p5[0];
+		d1 ^= p5[1];
+		d2 ^= p5[2];
+		d3 ^= p5[3];
+		d4 ^= p5[4];
+		d5 ^= p5[5];
+		d6 ^= p5[6];
+		d7 ^= p5[7];
+		p1[0] = d0;	/* Store the result (in bursts)		*/
+		p1[1] = d1;
+		p1[2] = d2;
+		p1[3] = d3;
+		p1[4] = d4;
+		p1[5] = d5;
+		p1[6] = d6;
+		p1[7] = d7;
+		p1 += 8;
+		p2 += 8;
+		p3 += 8;
+		p4 += 8;
+		p5 += 8;
+	} while (--lines > 0);
+	if (lines == 0)
+		goto once_more;
+}
+
+static struct xor_block_template xor_block_8regs = {
+	.name = "8regs",
+	.do_2 = xor_8regs_2,
+	.do_3 = xor_8regs_3,
+	.do_4 = xor_8regs_4,
+	.do_5 = xor_8regs_5,
+};
+
+static struct xor_block_template xor_block_32regs = {
+	.name = "32regs",
+	.do_2 = xor_32regs_2,
+	.do_3 = xor_32regs_3,
+	.do_4 = xor_32regs_4,
+	.do_5 = xor_32regs_5,
+};
+
+static struct xor_block_template xor_block_8regs_p = {
+	.name = "8regs_prefetch",
+	.do_2 = xor_8regs_p_2,
+	.do_3 = xor_8regs_p_3,
+	.do_4 = xor_8regs_p_4,
+	.do_5 = xor_8regs_p_5,
+};
+
+static struct xor_block_template xor_block_32regs_p = {
+	.name = "32regs_prefetch",
+	.do_2 = xor_32regs_p_2,
+	.do_3 = xor_32regs_p_3,
+	.do_4 = xor_32regs_p_4,
+	.do_5 = xor_32regs_p_5,
+};
+
+#define XOR_TRY_TEMPLATES			\
+	do {					\
+		xor_speed(&xor_block_8regs);	\
+		xor_speed(&xor_block_8regs_p);	\
+		xor_speed(&xor_block_32regs);	\
+		xor_speed(&xor_block_32regs_p);	\
+	} while (0)
--- linux/include/asm-nios2nommu/altera_juart.h
+++ linux/include/asm-nios2nommu/altera_juart.h
@@ -0,0 +1,36 @@
+/*------------------------------------------------------------------------
+ *
+ *  linux/drivers/serial/altera_juart.h
+ *
+ *  Driver for Altera JTAG UART core with Avalon interface
+ *
+ * Copyright (C) 2004 Microtronix Datacom Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * History:
+ *    Jun/20/2005   DGT Microtronix Datacom NiosII
+ *
+ -----------------------------------------------------------------------*/
+
+#ifndef _ALTERA_JUART_H_
+    #define _ALTERA_JUART_H_
+
+    /* jtag uart details needed outside of the driver itself:           */
+    /*  by: arch/kernel/start.c - boot time error message(s)            */
+
+    void jtaguart_console_write
+            (       struct console  *co,
+             const  char            *s,
+                    unsigned int     count);
+
+#endif  /* _ALTERA_JUART_H_ */
--- linux/include/asm-nios2nommu/a.out.h
+++ linux/include/asm-nios2nommu/a.out.h
@@ -0,0 +1,85 @@
+/* $Id: a.out.h,v 1.4 2004/03/30 19:35:04 ken-h Exp $ */
+/*
+ * Copyright (C) 2004 Microtronix Datacom Ltd.
+ *
+ * All rights reserved.          
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+#ifndef __NIOS2NOMMU_A_OUT_H__
+#define __NIOS2NOMMU_A_OUT_H__
+
+#define SPARC_PGSIZE    0x1000        /* Thanks to the sun4 architecture... */
+#define SEGMENT_SIZE    SPARC_PGSIZE  /* whee... */
+
+struct exec {
+	unsigned char a_dynamic:1;      /* A __DYNAMIC is in this image */
+	unsigned char a_toolversion:7;
+	unsigned char a_machtype;
+	unsigned short a_info;
+	unsigned long a_text;		/* length of text, in bytes */
+	unsigned long a_data;		/* length of data, in bytes */
+	unsigned long a_bss;		/* length of bss, in bytes */
+	unsigned long a_syms;		/* length of symbol table, in bytes */
+	unsigned long a_entry;		/* where program begins */
+	unsigned long a_trsize;
+	unsigned long a_drsize;
+};
+
+#define INIT_EXEC {				\
+	.a_dynamic	= 0,			\
+	.a_toolversion	= 0,			\
+	.a_machtype	= 0,			\
+	.a_info		= 0,			\
+	.a_text		= 0,			\
+	.a_data		= 0,			\
+	.a_bss		= 0,			\
+	.a_syms		= 0,			\
+	.a_entry	= 0,			\
+	.a_trsize	= 0,			\
+	.a_drsize	= 0,			\
+}
+
+/* Where in the file does the text information begin? */
+#define N_TXTOFF(x)     (N_MAGIC(x) == ZMAGIC ? 0 : sizeof (struct exec))
+
+/* Where do the Symbols start? */
+#define N_SYMOFF(x)     (N_TXTOFF(x) + (x).a_text +   \
+                         (x).a_data + (x).a_trsize +  \
+                         (x).a_drsize)
+
+/* Where does text segment go in memory after being loaded? */
+#define N_TXTADDR(x)    (((N_MAGIC(x) == ZMAGIC) &&        \
+	                 ((x).a_entry < SPARC_PGSIZE)) ?   \
+                          0 : SPARC_PGSIZE)
+
+/* And same for the data segment.. */
+#define N_DATADDR(x) (N_MAGIC(x)==OMAGIC ?         \
+                      (N_TXTADDR(x) + (x).a_text)  \
+                       : (_N_SEGMENT_ROUND (_N_TXTENDADDR(x))))
+
+#define N_TRSIZE(a)	((a).a_trsize)
+#define N_DRSIZE(a)	((a).a_drsize)
+#define N_SYMSIZE(a)	((a).a_syms)
+
+#ifdef __KERNEL__
+
+#define STACK_TOP	TASK_SIZE
+
+#endif
+
+#endif /* __NIOS2NOMMU_A_OUT_H__ */
--- linux/include/asm-nios2nommu/asm-macros.h
+++ linux/include/asm-nios2nommu/asm-macros.h
@@ -0,0 +1,331 @@
+/*
+ * Macro used to simplify coding multi-line assembler.
+ * Some of the bit test macro can simplify down to one line
+ * depending on the mask value.
+ *
+ * Copyright (C) 2004 Microtronix Datacom Ltd.
+ *
+ * All rights reserved.          
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+/*
+ * ANDs reg2 with mask and places the result in reg1.
+ *
+ * You cannnot use the same register for reg1 & reg2.
+ */
+
+.macro ANDI32	reg1,reg2,mask
+ .if \mask & 0xffff
+  .if \mask & 0xffff0000
+	movhi	\reg1,%hi(\mask)
+	movui	\reg1,%lo(\mask)
+	and	\reg1,\reg1,\reg2
+  .else
+	andi	\reg1,\reg2,%lo(\mask)
+  .endif
+ .else
+	andhi	\reg1,\reg2,%hi(\mask)
+ .endif
+.endm
+
+/*
+ * ORs reg2 with mask and places the result in reg1.
+ *
+ * It is safe to use the same register for reg1 & reg2.
+ */
+
+.macro ORI32	reg1,reg2,mask
+ .if \mask & 0xffff
+  .if \mask & 0xffff0000
+	orhi	\reg1,\reg2,%hi(\mask)
+	ori	\reg1,\reg2,%lo(\mask)
+  .else
+	ori	\reg1,\reg2,%lo(\mask)
+  .endif
+ .else
+	orhi	\reg1,\reg2,%hi(\mask)
+ .endif
+.endm
+
+/*
+ * XORs reg2 with mask and places the result in reg1.
+ *
+ * It is safe to use the same register for reg1 & reg2.
+ */
+
+.macro XORI32	reg1,reg2,mask
+ .if \mask & 0xffff
+  .if \mask & 0xffff0000
+	xorhi	\reg1,\reg2,%hi(\mask)
+	xori	\reg1,\reg1,%lo(\mask)
+  .else
+	xori	\reg1,\reg2,%lo(\mask)
+  .endif
+ .else
+	xorhi	\reg1,\reg2,%hi(\mask)
+ .endif
+.endm
+
+/*
+ * This is a support macro for BTBZ & BTBNZ.  It checks
+ * the bit to make sure it is valid 32 value.
+ *
+ * It is safe to use the same register for reg1 & reg2.
+ */
+
+.macro BT	reg1,reg2,bit
+.if \bit > 31
+ .err 
+.else
+ .if \bit < 16
+	andi	\reg1,\reg2,(1 << \bit)
+ .else
+	andhi	\reg1,\reg2,(1 << (\bit - 16))
+ .endif
+.endif
+.endm
+
+/*
+ * Tests the bit in reg2 and branches to label if the
+ * bit is zero.  The result of the bit test is stored in reg1.
+ *
+ * It is safe to use the same register for reg1 & reg2.
+ */
+
+.macro BTBZ	reg1,reg2,bit,label
+	BT	\reg1,\reg2,\bit
+	beq	\reg1,r0,\label
+.endm
+
+/*
+ * Tests the bit in reg2 and branches to label if the
+ * bit is non-zero.  The result of the bit test is stored in reg1.
+ *
+ * It is safe to use the same register for reg1 & reg2.
+ */
+
+.macro BTBNZ	reg1,reg2,bit,label
+	BT	\reg1,\reg2,\bit
+	bne	\reg1,r0,\label
+.endm
+
+/*
+ * Tests the bit in reg2 and then compliments the bit in reg2.
+ * The result of the bit test is stored in reg1.
+ *
+ * It is NOT safe to use the same register for reg1 & reg2.
+ */
+
+.macro BTC	reg1,reg2,bit
+.if \bit > 31
+ .err 
+.else
+ .if \bit < 16
+	andi	\reg1,\reg2,(1 << \bit)
+	xori	\reg2,\reg2,(1 << \bit)
+ .else
+	andhi	\reg1,\reg2,(1 << (\bit - 16))
+	xorhi	\reg2,\reg2,(1 << (\bit - 16))
+ .endif
+.endif
+.endm
+
+/*
+ * Tests the bit in reg2 and then sets the bit in reg2.
+ * The result of the bit test is stored in reg1.
+ *
+ * It is NOT safe to use the same register for reg1 & reg2.
+ */
+
+.macro BTS	reg1,reg2,bit
+.if \bit > 31
+ .err 
+.else
+ .if \bit < 16
+	andi	\reg1,\reg2,(1 << \bit)
+	ori	\reg2,\reg2,(1 << \bit)
+ .else
+	andhi	\reg1,\reg2,(1 << (\bit - 16))
+	orhi	\reg2,\reg2,(1 << (\bit - 16))
+ .endif
+.endif
+.endm
+
+/*
+ * Tests the bit in reg2 and then resets the bit in reg2.
+ * The result of the bit test is stored in reg1.
+ *
+ * It is NOT safe to use the same register for reg1 & reg2.
+ */
+
+.macro BTR	reg1,reg2,bit
+.if \bit > 31
+ .err 
+.else
+ .if \bit < 16
+	andi	\reg1,\reg2,(1 << \bit)
+	andi	\reg2,\reg2,%lo(~(1 << \bit))
+ .else
+	andhi	\reg1,\reg2,(1 << (\bit - 16))
+	andhi	\reg2,\reg2,%lo(~(1 << (\bit - 16)))
+ .endif
+.endif
+.endm
+
+/*
+ * Tests the bit in reg2 and then compliments the bit in reg2.
+ * The result of the bit test is stored in reg1.  If the 
+ * original bit was zero it branches to label.
+ *
+ * It is NOT safe to use the same register for reg1 & reg2.
+ */
+
+.macro BTCBZ	reg1,reg2,bit,label
+	BTC	\reg1,\reg2,\bit
+	beq	\reg1,r0,\label
+.endm
+
+/*
+ * Tests the bit in reg2 and then compliments the bit in reg2.
+ * The result of the bit test is stored in reg1.  If the 
+ * original bit was non-zero it branches to label.
+ *
+ * It is NOT safe to use the same register for reg1 & reg2.
+ */
+
+.macro BTCBNZ	reg1,reg2,bit,label
+	BTC	\reg1,\reg2,\bit
+	bne	\reg1,r0,\label
+.endm
+
+/*
+ * Tests the bit in reg2 and then sets the bit in reg2.
+ * The result of the bit test is stored in reg1.  If the 
+ * original bit was zero it branches to label.
+ *
+ * It is NOT safe to use the same register for reg1 & reg2.
+ */
+
+.macro BTSBZ	reg1,reg2,bit,label
+	BTS	\reg1,\reg2,\bit
+	beq	\reg1,r0,\label
+.endm
+
+/*
+ * Tests the bit in reg2 and then sets the bit in reg2.
+ * The result of the bit test is stored in reg1.  If the 
+ * original bit was non-zero it branches to label.
+ *
+ * It is NOT safe to use the same register for reg1 & reg2.
+ */
+
+.macro BTSBNZ	reg1,reg2,bit,label
+	BTS	\reg1,\reg2,\bit
+	bne	\reg1,r0,\label
+.endm
+
+/*
+ * Tests the bit in reg2 and then resets the bit in reg2.
+ * The result of the bit test is stored in reg1.  If the 
+ * original bit was zero it branches to label.
+ *
+ * It is NOT safe to use the same register for reg1 & reg2.
+ */
+
+.macro BTRBZ	reg1,reg2,bit,label
+	BTR	\reg1,\reg2,\bit
+	bne	\reg1,r0,\label
+.endm
+
+/*
+ * Tests the bit in reg2 and then resets the bit in reg2.
+ * The result of the bit test is stored in reg1.  If the 
+ * original bit was non-zero it branches to label.
+ *
+ * It is NOT safe to use the same register for reg1 & reg2.
+ */
+
+.macro BTRBNZ	reg1,reg2,bit,label
+	BTR	\reg1,\reg2,\bit
+	bne	\reg1,r0,\label
+.endm
+
+/*
+ * Tests the bits in mask against reg2 stores the result in reg1.
+ * If the all the bits in the mask are zero it branches to label.
+ *
+ * It is safe to use the same register for reg1 & reg2.
+ */
+
+.macro TSTBZ	reg1,reg2,mask,label
+	ANDI32	\reg1,\reg2,\mask
+	beq	\reg1,r0,\label
+.endm
+
+/*
+ * Tests the bits in mask against reg2 stores the result in reg1.
+ * If the any of the bits in the mask are 1 it branches to label.
+ *
+ * It is safe to use the same register for reg1 & reg2.
+ */
+
+.macro TSTBNZ	reg1,reg2,mask,label
+	ANDI32	\reg1,\reg2,\mask
+	bne	\reg1,r0,\label
+.endm
+
+/*
+ * Pushes reg onto the stack.
+ */
+
+.macro PUSH	reg
+	addi	sp,sp,-4
+	stw	\reg,0(sp)
+.endm
+
+/*
+ * Pops the top of the stack into reg.
+ */
+
+.macro POP	reg
+	ldw	\reg,0(sp)
+	addi	sp,sp,4
+.endm
+
+/*
+ * Clears reg
+ */
+
+.macro CLR	reg
+	  mov	\reg,r0
+.endm
+
+/*
+ * The preprocessor macro does not work for
+ * the nios2 compiler. Undefine ENTRY and define
+ * a real assembler macro.
+ */
+#undef ENTRY
+#define ENTRY(name) ASM_ENTRY name
+
+.macro ASM_ENTRY name
+.globl \name
+__ALIGN
+  \name:
+.endm
--- linux/include/asm-nios2nommu/atomic.h
+++ linux/include/asm-nios2nommu/atomic.h
@@ -0,0 +1,190 @@
+//vic - add 'atomic_add/sub_return', 'atomic_add_negative'
+//vic     from v850 architecture
+
+/* atomic.h: 
+ *
+ * Copyright (C) 2004 Microtronix Datacom Ltd.
+ * Copyright (C) 2001 Vic Phillips (vic@microtronix.com)
+ *
+ * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
+ *
+ * All rights reserved.          
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef __ARCH_NIOS2NOMMU_ATOMIC__
+#define __ARCH_NIOS2NOMMU_ATOMIC__
+
+#include <asm/system.h>
+
+typedef struct { int counter; } atomic_t;
+#define ATOMIC_INIT(i)	{ (i) }
+
+#define atomic_read(v)		((v)->counter)
+#define atomic_set(v, i)	(((v)->counter) = i)
+
+
+extern __inline__ void atomic_add(int i, atomic_t *v)
+{
+	unsigned long flags;
+
+	local_irq_save(flags);
+	v->counter += i;
+	local_irq_restore(flags);
+}
+
+extern __inline__ int atomic_add_negative(int i, atomic_t *v)
+{
+	unsigned long flags;
+	int result;
+
+	local_irq_save(flags);
+	v->counter += i;
+	result = (v->counter < 0);
+	local_irq_restore(flags);
+	return result;
+}
+
+extern __inline__ void atomic_sub(int i, atomic_t *v)
+{
+	unsigned long flags;
+
+	local_irq_save(flags);
+	v->counter -= i;
+	local_irq_restore(flags);
+}
+
+extern __inline__ int atomic_sub_and_test(int i, atomic_t *v)
+{
+	int result;
+	unsigned long flags;
+
+	local_irq_save(flags);
+	v->counter -= i;
+	result = (v->counter == 0);
+	local_irq_restore(flags);
+	return result;
+}
+
+extern __inline__ void atomic_inc(atomic_t *v)
+{
+	unsigned long flags;
+
+	local_irq_save(flags);
+	v->counter += 1;
+	local_irq_restore(flags);
+}
+
+extern __inline__ int atomic_inc_and_test(atomic_t *v)
+{
+	unsigned long flags;
+	int result;
+
+	local_irq_save(flags);
+	v->counter += 1;
+	result = (v->counter == 0);
+	local_irq_restore(flags);
+	return result;
+}
+
+extern __inline__ void atomic_dec(atomic_t *v)
+{
+	int i = 1;					/* the compiler optimizes better this way */
+	unsigned long flags;
+
+	local_irq_save(flags);
+	v->counter -= i;
+	local_irq_restore(flags);
+}
+
+extern __inline__ int atomic_dec_and_test(atomic_t *v)
+{
+	int result;
+	int i = 1;					/* the compiler optimizes better this way */
+	unsigned long flags;
+
+	local_irq_save(flags);
+	v->counter -= i;
+	result = (v->counter == 0);
+	local_irq_restore(flags);
+	return result;
+}
+
+extern __inline__ int atomic_inc_return(atomic_t *v)
+{
+	int result;
+	unsigned long flags;
+
+	local_irq_save(flags);
+	result = ++v->counter;
+	local_irq_restore(flags);
+	return result;
+}
+
+extern __inline__ int atomic_dec_return(atomic_t *v)
+{
+	int result;
+	int i = 1;					/* the compiler optimizes better this way */
+	unsigned long flags;
+
+	local_irq_save(flags);
+	v->counter -= i;
+	result = v->counter;
+	local_irq_restore(flags);
+	return result;
+}
+
+extern __inline__ int atomic_add_return (int i, volatile atomic_t *v)
+{
+	int res;
+	unsigned long flags;
+
+	local_irq_save(flags);
+	res = v->counter + i;
+	v->counter = res;
+	local_irq_restore(flags);
+
+	return res;
+}
+
+static __inline__ int atomic_sub_return (int i, volatile atomic_t *v)
+{
+	int res;
+	unsigned long flags;
+
+	local_irq_save(flags);
+	res = v->counter - i;
+	v->counter = res;
+	local_irq_restore(flags);
+
+	return res;
+}
+
+#define atomic_dec_return(v) atomic_sub_return(1,(v))
+#define atomic_inc_return(v) atomic_add_return(1,(v))
+
+/* Atomic operations are already serializing */
+#define smp_mb__before_atomic_dec()	barrier()
+#define smp_mb__after_atomic_dec()	barrier()
+#define smp_mb__before_atomic_inc()	barrier()
+#define smp_mb__after_atomic_inc()	barrier()
+
+
+#endif /* !(__ARCH_NIOS2NOMMU_ATOMIC__) */
+
+
--- linux/include/asm-nios2nommu/bitops.h
+++ linux/include/asm-nios2nommu/bitops.h
@@ -0,0 +1,472 @@
+#ifndef _ASM_NIOS_BITOPS_H_
+#define _ASM_NIOS_BITOPS_H_
+
+/*--------------------------------------------------------------------
+ *
+ * include/asm-nios2nommu/bitops.h
+ *
+ * Derived from various works, Alpha, ix86, M68K, Sparc, ...et al
+ *
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * Jan/20/2004		dgt	    NiosII
+ *
+ ---------------------------------------------------------------------*/
+
+
+#ifdef __KERNEL__
+// #include <linux/config.h>
+#include <linux/compiler.h>
+#include <asm/byteorder.h>	/* swab32 */
+#include <asm/system.h>
+#endif
+
+/*
+ * Adapted to NIOS from generic bitops.h:
+ *
+ * For the benefit of those who are trying to port Linux to another
+ * architecture, here are some C-language equivalents.  You should
+ * recode these in the native assembly language, if at all possible.
+ * To guarantee atomicity, these routines call cli() and sti() to
+ * disable interrupts while they operate.  (You have to provide inline
+ * routines to cli() and sti().)
+ *
+ * Also note, these routines assume that you have 32 bit integers.
+ * You will have to change this if you are trying to port Linux to the
+ * Alpha architecture or to a Cray.  :-)
+ *
+ * C language equivalents written by Theodore Ts'o, 9/26/92
+ */
+
+/*
+ *	Generic ffs().
+ */
+static inline int ffs(int x)
+{
+	int r = 1;
+
+	if (!x)
+		return 0;
+	if (!(x & 0xffff)) {
+		x >>= 16;
+		r += 16;
+	}
+	if (!(x & 0xff)) {
+		x >>= 8;
+		r += 8;
+	}
+	if (!(x & 0xf)) {
+		x >>= 4;
+		r += 4;
+	}
+	if (!(x & 3)) {
+		x >>= 2;
+		r += 2;
+	}
+	if (!(x & 1)) {
+		x >>= 1;
+		r += 1;
+	}
+	return r;
+}
+
+/*
+ *	Generic __ffs().
+ */
+static inline int __ffs(int x)
+{
+	int r = 0;
+
+	if (!x)
+		return 0;
+	if (!(x & 0xffff)) {
+		x >>= 16;
+		r += 16;
+	}
+	if (!(x & 0xff)) {
+		x >>= 8;
+		r += 8;
+	}
+	if (!(x & 0xf)) {
+		x >>= 4;
+		r += 4;
+	}
+	if (!(x & 3)) {
+		x >>= 2;
+		r += 2;
+	}
+	if (!(x & 1)) {
+		x >>= 1;
+		r += 1;
+	}
+	return r;
+}
+
+/*
+ * fls: find last bit set.
+ */
+#define fls(x) generic_fls(x)
+
+
+/*
+ * Every architecture must define this function. It's the fastest
+ * way of searching a 140-bit bitmap where the first 100 bits are
+ * unlikely to be set. It's guaranteed that at least one of the 140
+ * bits is cleared.
+ */
+static inline int sched_find_first_bit(unsigned long *b)
+{
+	if (unlikely(b[0]))
+		return __ffs(b[0]);
+	if (unlikely(b[1]))
+		return __ffs(b[1]) + 32;
+	if (unlikely(b[2]))
+		return __ffs(b[2]) + 64;
+	if (b[3])
+		return __ffs(b[3]) + 96;
+	return __ffs(b[4]) + 128;
+}
+
+/*
+ * ffz = Find First Zero in word. Undefined if no zero exists,
+ * so code should check against ~0UL first..
+ */
+static __inline__ unsigned long ffz(unsigned long word)
+{
+	unsigned long result = 0;
+
+	while(word & 1) {
+		result++;
+		word >>= 1;
+	}
+	return result;
+}
+
+
+static __inline__ void set_bit(int nr, volatile unsigned long * addr)
+{
+	int 	* a = (int *) addr;
+	int	mask;
+	unsigned long flags;
+
+	a += nr >> 5;
+	mask = 1 << (nr & 0x1f);
+	local_irq_save(flags);
+	*a |= mask;
+	local_irq_restore(flags);
+}
+
+static __inline__ void __set_bit(int nr, volatile unsigned long * addr)
+{
+	int 	* a = (int *) addr;
+	int	mask;
+
+	a += nr >> 5;
+	mask = 1 << (nr & 0x1f);
+	*a |= mask;
+}
+
+/*
+ * clear_bit() doesn't provide any barrier for the compiler.
+ */
+#define smp_mb__before_clear_bit()	barrier()
+#define smp_mb__after_clear_bit()	barrier()
+
+static __inline__ void clear_bit(int nr, volatile unsigned long * addr)
+{
+	int 	* a = (int *) addr;
+	int	mask;
+	unsigned long flags;
+
+	a += nr >> 5;
+	mask = 1 << (nr & 0x1f);
+	local_irq_save(flags);
+	*a &= ~mask;
+	local_irq_restore(flags);
+}
+
+static __inline__ void __clear_bit(int nr, volatile unsigned long * addr)
+{
+	int 	* a = (int *) addr;
+	int	mask;
+
+	a += nr >> 5;
+	mask = 1 << (nr & 0x1f);
+	*a &= ~mask;
+}
+
+static __inline__ void change_bit(int nr, volatile unsigned long * addr)
+{
+	int mask, flags;
+	unsigned long *ADDR = (unsigned long *) addr;
+
+	ADDR += nr >> 5;
+	mask = 1 << (nr & 31);
+	local_irq_save(flags);
+	*ADDR ^= mask;
+	local_irq_restore(flags);
+}
+
+static __inline__ void __change_bit(int nr, volatile unsigned long * addr)
+{
+	int mask;
+	unsigned long *ADDR = (unsigned long *) addr;
+
+	ADDR += nr >> 5;
+	mask = 1 << (nr & 31);
+	*ADDR ^= mask;
+}
+
+static __inline__ int test_and_set_bit(int nr, volatile unsigned long * addr)
+{
+	int	mask, retval;
+	volatile unsigned int *a = (volatile unsigned int *) addr;
+	unsigned long flags;
+
+	a += nr >> 5;
+	mask = 1 << (nr & 0x1f);
+	local_irq_save(flags);
+	retval = (mask & *a) != 0;
+	*a |= mask;
+	local_irq_restore(flags);
+
+	return retval;
+}
+
+static __inline__ int __test_and_set_bit(int nr, volatile unsigned long * addr)
+{
+	int	mask, retval;
+	volatile unsigned int *a = (volatile unsigned int *) addr;
+
+	a += nr >> 5;
+	mask = 1 << (nr & 0x1f);
+	retval = (mask & *a) != 0;
+	*a |= mask;
+	return retval;
+}
+
+static __inline__ int test_and_clear_bit(int nr, volatile unsigned long * addr)
+{
+	int	mask, retval;
+	volatile unsigned int *a = (volatile unsigned int *) addr;
+	unsigned long flags;
+
+	a += nr >> 5;
+	mask = 1 << (nr & 0x1f);
+	local_irq_save(flags);
+	retval = (mask & *a) != 0;
+	*a &= ~mask;
+	local_irq_restore(flags);
+
+	return retval;
+}
+
+static __inline__ int __test_and_clear_bit(int nr, volatile unsigned long * addr)
+{
+	int	mask, retval;
+	volatile unsigned int *a = (volatile unsigned int *) addr;
+
+	a += nr >> 5;
+	mask = 1 << (nr & 0x1f);
+	retval = (mask & *a) != 0;
+	*a &= ~mask;
+	return retval;
+}
+
+static __inline__ int test_and_change_bit(int nr, volatile unsigned long * addr)
+{
+	int	mask, retval;
+	volatile unsigned int *a = (volatile unsigned int *) addr;
+	unsigned long flags;
+
+	a += nr >> 5;
+	mask = 1 << (nr & 0x1f);
+	local_irq_save(flags);
+	retval = (mask & *a) != 0;
+	*a ^= mask;
+	local_irq_restore(flags);
+
+	return retval;
+}
+
+static __inline__ int __test_and_change_bit(int nr, volatile unsigned long * addr)
+{
+	int	mask, retval;
+	volatile unsigned int *a = (volatile unsigned int *) addr;
+
+	a += nr >> 5;
+	mask = 1 << (nr & 0x1f);
+	retval = (mask & *a) != 0;
+	*a ^= mask;
+	return retval;
+}
+
+/*
+ * This routine doesn't need to be atomic.
+ */
+static __inline__ int __constant_test_bit(int nr, const volatile unsigned long * addr)
+{
+	return ((1UL << (nr & 31)) & (((const volatile unsigned int *) addr)[nr >> 5])) != 0;
+}
+
+static __inline__ int __test_bit(int nr, const volatile unsigned long * addr)
+{
+	int 	* a = (int *) addr;
+	int	mask;
+
+	a += nr >> 5;
+	mask = 1 << (nr & 0x1f);
+	return ((mask & *a) != 0);
+}
+
+#define test_bit(nr,addr) \
+(__builtin_constant_p(nr) ? \
+ __constant_test_bit((nr),(unsigned long *)(addr)) : \
+ __test_bit((nr),(unsigned long *)(addr)))
+
+
+/* find_next_zero_bit() finds the first zero bit in a bit string of length
+ * 'size' bits, starting the search at bit 'offset'. This is largely based
+ * on Linus's ALPHA routines, which are pretty portable BTW.
+ */
+
+extern __inline__ unsigned long find_next_zero_bit(void *addr, unsigned long size, unsigned long offset)
+{
+	unsigned long *p = ((unsigned long *) addr) + (offset >> 5);
+	unsigned long result = offset & ~31UL;
+	unsigned long tmp;
+
+	if (offset >= size)
+		return size;
+	size -= result;
+	offset &= 31UL;
+	if (offset) {
+		tmp = *(p++);
+		tmp |= ~0UL >> (32-offset);
+		if (size < 32)
+			goto found_first;
+		if (~tmp)
+			goto found_middle;
+		size -= 32;
+		result += 32;
+	}
+	while (size & ~31UL) {
+		if (~(tmp = *(p++)))
+			goto found_middle;
+		result += 32;
+		size -= 32;
+	}
+	if (!size)
+		return result;
+	tmp = *p;
+
+found_first:
+	tmp |= ~0UL << size;
+	if (tmp == ~0UL)
+		return result + size;
+found_middle:
+	return result + ffz(tmp);
+}
+
+/*
+ * Find next one bit in a bitmap reasonably efficiently.
+ */
+extern __inline__ unsigned long find_next_bit(const unsigned long *addr,
+	unsigned long size, unsigned long offset)
+{
+	unsigned int *p = ((unsigned int *) addr) + (offset >> 5);
+	unsigned int result = offset & ~31UL;
+	unsigned int tmp;
+
+	if (offset >= size)
+		return size;
+	size -= result;
+	offset &= 31UL;
+	if (offset) {
+		tmp = *p++;
+		tmp &= ~0UL << offset;
+		if (size < 32)
+			goto found_first;
+		if (tmp)
+			goto found_middle;
+		size -= 32;
+		result += 32;
+	}
+	while (size >= 32) {
+		if ((tmp = *p++) != 0)
+			goto found_middle;
+		result += 32;
+		size -= 32;
+	}
+	if (!size)
+		return result;
+	tmp = *p;
+
+found_first:
+	tmp &= ~0UL >> (32 - size);
+	if (tmp == 0UL)        /* Are any bits set? */
+		return result + size; /* Nope. */
+found_middle:
+	return result + __ffs(tmp);
+}
+
+/*
+ * hweightN: returns the hamming weight (i.e. the number
+ * of bits set) of a N-bit word
+ */
+
+#define hweight32(x) generic_hweight32(x)
+#define hweight16(x) generic_hweight16(x)
+#define hweight8(x) generic_hweight8(x)
+
+/* Linus sez that gcc can optimize the following correctly, we'll see if this
+ * holds on the Sparc as it does for the ALPHA.
+ */
+
+#define find_first_zero_bit(addr, size) \
+        find_next_zero_bit((addr), (size), 0)
+#define find_first_bit(addr, size) \
+        find_next_bit((addr), (size), 0)
+
+/* Now for the ext2 filesystem bit operations and helper routines.
+ *
+ * Both NIOS and ext2 are little endian, so these are the same as above.
+ */
+
+#define ext2_set_bit   test_and_set_bit
+#define ext2_clear_bit test_and_clear_bit
+#define ext2_test_bit  test_bit
+
+#define ext2_set_bit_atomic(lock, nr, addr)		\
+	({						\
+		int ret;				\
+		spin_lock(lock);			\
+		ret = ext2_set_bit((nr),(unsigned long *) (addr));	\
+		spin_unlock(lock);			\
+		ret;					\
+	})
+
+#define ext2_clear_bit_atomic(lock, nr, addr)		\
+	({						\
+		int ret;				\
+		spin_lock(lock);			\
+		ret = ext2_clear_bit((nr),(unsigned long *) (addr));	\
+		spin_unlock(lock);			\
+		ret;					\
+	})
+
+#define ext2_find_first_zero_bit find_first_zero_bit
+#define ext2_find_next_zero_bit  find_next_zero_bit
+
+#endif /* _ASM_NIOS_BITOPS_H */
--- linux/include/asm-nios2nommu/bootinfo.h
+++ linux/include/asm-nios2nommu/bootinfo.h
@@ -0,0 +1,2 @@
+
+/* Nothing for nios2nommu */
--- linux/include/asm-nios2nommu/bug.h
+++ linux/include/asm-nios2nommu/bug.h
@@ -0,0 +1,48 @@
+#ifndef _NIOS2NOMMU_BUG_H
+#define _NIOS2NOMMU_BUG_H
+
+/*--------------------------------------------------------------------
+ *
+ * include/asm-nios2nommu/bug.h
+ *
+ * Derived from various works, Alpha, ix86, M68K, Sparc, ...et al
+ *
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * Jan/20/2004		dgt	    NiosII
+ *
+ ---------------------------------------------------------------------*/
+
+
+#define BUG() do { \
+  printk("%s(%d): kernel BUG!\n", __FILE__, __LINE__); \
+} while (0)
+
+#define BUG_ON(condition) do { \
+	if (unlikely((condition)!=0)) \
+		BUG(); \
+} while(0)
+
+#define PAGE_BUG(page) do { \
+         BUG(); \
+} while (0)
+
+#define WARN_ON(condition) do { \
+	if (unlikely((condition)!=0)) { \
+		printk("Badness in %s at %s:%d\n", __FUNCTION__, __FILE__, __LINE__); \
+		dump_stack(); \
+	} \
+} while (0)
+
+#endif
--- linux/include/asm-nios2nommu/bugs.h
+++ linux/include/asm-nios2nommu/bugs.h
@@ -0,0 +1,40 @@
+#ifndef __ASM_NIOS_BUGS_H
+#define __ASM_NIOS_BUGS_H
+
+/*--------------------------------------------------------------------
+ *
+ * include/asm-nios2nommu/bugs.h
+ *
+ * Derived from various works, Alpha, ix86, M68K, Sparc, ...et al
+ *
+ *  Copyright (C) 1994  Linus Torvalds
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * Jan/20/2004		dgt	    NiosII
+ *
+ ---------------------------------------------------------------------*/
+
+
+/*
+ * This is included by init/main.c to check for architecture-dependent bugs.
+ *
+ * Needs:
+ *	void check_bugs(void);
+ */
+
+static void check_bugs(void)
+{
+}
+
+#endif
--- linux/include/asm-nios2nommu/byteorder.h
+++ linux/include/asm-nios2nommu/byteorder.h
@@ -0,0 +1,38 @@
+#ifndef __ASM_NIOS_BYTEORDER_H
+#define __ASM_NIOS_BYTEORDER_H
+
+/*--------------------------------------------------------------------
+ *
+ * include/asm-nios2nommu/byteorder.h
+ *
+ * Derived from various works, Alpha, ix86, M68K, Sparc, ...et al
+ *
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * Jan/20/2004		dgt	    NiosII
+ *
+ ---------------------------------------------------------------------*/
+
+
+#include <asm/types.h>
+
+#if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__)
+#  define __BYTEORDER_HAS_U64__
+#  define __SWAB_64_THRU_32__
+#endif
+
+#include <linux/byteorder/little_endian.h>
+
+#endif
+
--- linux/include/asm-nios2nommu/cachectl.h
+++ linux/include/asm-nios2nommu/cachectl.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2004 Microtronix Datacom Ltd.
+ *
+ * All rights reserved.          
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef _NIOS2NOMMU_CACHECTL_H
+#define _NIOS2NOMMU_CACHECTL_H
+
+/* Definitions for the cacheflush system call.  */
+
+#define FLUSH_SCOPE_LINE    1	/* Flush a cache line */
+#define FLUSH_SCOPE_PAGE    2	/* Flush a page */
+#define FLUSH_SCOPE_ALL     3	/* Flush the whole cache -- superuser only */
+
+#define FLUSH_CACHE_DATA    1	/* Writeback and flush data cache */
+#define FLUSH_CACHE_INSN    2	/* Flush instruction cache */
+#define FLUSH_CACHE_BOTH    3	/* Flush both caches */
+
+#endif /* _NIOS2NOMMU_CACHECTL_H */
--- linux/include/asm-nios2nommu/cacheflush.h
+++ linux/include/asm-nios2nommu/cacheflush.h
@@ -0,0 +1,59 @@
+#ifndef _NIOS2NOMMU_CACHEFLUSH_H
+#define _NIOS2NOMMU_CACHEFLUSH_H
+
+/*
+ * Ported from m68knommu.
+ *
+ * (C) Copyright 2003, Microtronix Datacom Ltd.
+ * (C) Copyright 2000-2002, Greg Ungerer <gerg@snapgear.com>
+ *
+ * All rights reserved.          
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+#include <linux/mm.h>
+
+extern void cache_push (unsigned long vaddr, int len);
+extern void dcache_push (unsigned long vaddr, int len);
+extern void icache_push (unsigned long vaddr, int len);
+extern void cache_push_all (void);
+extern void cache_clear (unsigned long paddr, int len);
+
+#define flush_cache_all()			__flush_cache_all()
+#define flush_cache_mm(mm)			do { } while (0)
+#define flush_cache_range(vma, start, end)	cache_push(start, end - start)
+#define flush_cache_page(vma, vmaddr)		do { } while (0)
+#define flush_dcache_range(start,end)		dcache_push(start, end - start)
+#define flush_dcache_page(page)			do { } while (0)
+#define flush_dcache_mmap_lock(mapping)		do { } while (0)
+#define flush_dcache_mmap_unlock(mapping)	do { } while (0)
+#define flush_icache_range(start,end)		cache_push(start, end - start)
+#define flush_icache_page(vma,pg)		do { } while (0)
+#define flush_icache_user_range(vma,pg,adr,len)	do { } while (0)
+
+#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
+	memcpy(dst, src, len)
+#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
+	memcpy(dst, src, len)
+
+
+extern inline void __flush_cache_all(void)
+{
+	cache_push_all();
+}
+
+#endif /* _NIOS2NOMMU_CACHEFLUSH_H */
--- linux/include/asm-nios2nommu/cache.h
+++ linux/include/asm-nios2nommu/cache.h
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2004 Microtronix Datacom Ltd.
+ *
+ * All rights reserved.          
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+#ifndef __ARCH_NIOS2NOMMU_CACHE_H
+#define __ARCH_NIOS2NOMMU_CACHE_H
+
+#include <asm/nios.h>
+
+/* bytes per L1 cache line */
+#define        L1_CACHE_BYTES	nasys_icache_line_size 	/* this need to be at least 1 */
+
+
+#define __cacheline_aligned
+#define ____cacheline_aligned
+
+#endif
--- linux/include/asm-nios2nommu/ChangeLog
+++ linux/include/asm-nios2nommu/ChangeLog
@@ -0,0 +1,14 @@
+2004-06-29  Ken Hill  <khill@microtronix.com>
+
+	* bitops.h (find_next_zero_bit): Fix problem with with masking for found_first
+	handling. The masking of the upper bits for size < 32 bits would set all
+	the bits to 1. Removing any zero's there may have been.
+
+2004-06-02  Ken Hill  <khill@microtronix.com>
+
+	* processor.h (TASK_SIZE): Change na_sdram_end to nasys_program_mem_end to remove
+	dependancy on quartus memory component name.
+
+	* page.h (PAGE_OFFSET): Change na_sdram to nasys_program_mem to remove
+	dependancy on quartus memory component name.
+
--- linux/include/asm-nios2nommu/checksum.h
+++ linux/include/asm-nios2nommu/checksum.h
@@ -0,0 +1,320 @@
+#ifndef __NIOS2_CHECKSUM_H
+#define __NIOS2_CHECKSUM_H
+
+/*  checksum.h:  IP/UDP/TCP checksum routines on the NIOS.
+ *
+ *  Copyright(C) 1995 Linus Torvalds
+ *  Copyright(C) 1995 Miguel de Icaza
+ *  Copyright(C) 1996 David S. Miller
+ *  Copyright(C) 2001 Ken Hill
+ *  Copyright(C) 2004 Microtronix Datacom Ltd.
+ *
+ * derived from:
+ *	Alpha checksum c-code
+ *      ix86 inline assembly
+ *      Spar nommu
+ *
+ * All rights reserved.          
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+
+/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
+
+/*
+ * computes the checksum of the TCP/UDP pseudo-header
+ * returns a 16-bit checksum, already complemented
+ */
+
+extern inline unsigned short csum_tcpudp_magic(unsigned long saddr,
+					       unsigned long daddr,
+					       unsigned short len,
+					       unsigned short proto,
+					       unsigned int sum)
+{
+    barrier();
+	__asm__ __volatile__(
+"		add	%0, %3, %0\n"
+"		bgeu	%0, %3, 1f\n"
+"		addi	%0, %0, 1\n"
+"1:		add	%0, %4, %0\n"
+"		bgeu	%0, %4, 1f\n"
+"		addi	%0, %0, 1\n"
+"1:		add	%0, %5, %0\n"
+"		bgeu	%0, %5, 1f\n"
+"		addi	%0, %0, 1\n"
+"1:\n"
+/*
+		We need the carry from the addition of 16-bit
+		significant addition, so we zap out the low bits
+		in one half, zap out the high bits in another,
+		shift them both up to the top 16-bits of a word
+		and do the carry producing addition, finally
+		shift the result back down to the low 16-bits.
+
+		Actually, we can further optimize away two shifts
+		because we know the low bits of the original
+		value will be added to zero-only bits so cannot
+		affect the addition result nor the final carry
+		bit.
+*/
+"		slli	%1,%0, 16\n"		/* Need a copy to fold with */
+						/* Bring the LOW 16 bits up */
+"		add	%0, %1, %0\n"		/* add and set carry, neat eh? */
+"		cmpltu	r15, %0, %1\n"		/* get remaining carry bit */
+"		srli	%0, %0, 16\n"		/* shift back down the result */
+"		add	%0, %0, r15\n"
+"		nor	%0, %0, %0\n"		/* negate */
+	        : "=&r" (sum), "=&r" (saddr)
+		: "0" (sum), "1" (saddr), "r" (ntohl(len+proto)), "r" (daddr)
+		: "r15");
+		return ((unsigned short) sum); 
+    barrier();
+}
+
+
+/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
+
+
+  extern inline unsigned short from32to16(unsigned long x)
+  {
+    barrier();
+	__asm__ __volatile__(
+		"add	%0, %1, %0\n"
+		"cmpltu	r15, %0, %1\n"
+		"srli	%0, %0, 16\n"
+		"add	%0, %0, r15\n"
+		: "=r" (x)
+		: "r" (x << 16), "0" (x)
+		: "r15");
+	return x;
+    barrier();
+  }
+
+
+/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
+
+
+extern inline unsigned long do_csum(const unsigned char * buff, int len)
+{
+ int odd, count;
+ unsigned long result = 0;
+
+    barrier();
+ if (len <= 0)
+ 	goto out;
+ odd = 1 & (unsigned long) buff;
+ if (odd) {
+////result = *buff;                     // dgt: Big    endian
+ 	result = *buff << 8;                // dgt: Little endian
+
+ 	len--;
+ 	buff++;
+ }
+ count = len >> 1;		/* nr of 16-bit words.. */
+ if (count) {
+ 	if (2 & (unsigned long) buff) {
+ 		result += *(unsigned short *) buff;
+ 		count--;
+ 		len -= 2;
+ 		buff += 2;
+ 	}
+ 	count >>= 1;		/* nr of 32-bit words.. */
+ 	if (count) {
+ 	        unsigned long carry = 0;
+ 		do {
+ 			unsigned long w = *(unsigned long *) buff;
+ 			count--;
+ 			buff += 4;
+ 			result += carry;
+ 			result += w;
+ 			carry = (w > result);
+ 		} while (count);
+ 		result += carry;
+ 		result = (result & 0xffff) + (result >> 16);
+ 	}
+ 	if (len & 2) {
+ 		result += *(unsigned short *) buff;
+ 		buff += 2;
+ 	}
+ }
+ if (len & 1)
+ 	result += *buff;  /* This is little machine, byte is right */
+ result = from32to16(result);
+ if (odd)
+ 	result = ((result >> 8) & 0xff) | ((result & 0xff) << 8);
+out:
+	return result;
+    barrier();
+  }
+
+
+/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
+
+
+/* ihl is always 5 or greater, almost always is 5, iph is always word
+ * aligned but can fail to be dword aligned very often.
+ */
+
+  extern inline unsigned short ip_fast_csum(const unsigned char *iph, unsigned int ihl)
+  {
+	unsigned int sum;
+
+    barrier();
+	__asm__ __volatile__(
+"		andi	r8, %1, 2\n"	/* Remember original alignment */
+"		ldw	%0, (%1)\n"	/* 16 or 32 bit boundary */
+"		beq	r8, r0, 1f\n"	/* Aligned on 32 bit boundary, go */
+"		srli	%0, %0, 16\n"	/* Get correct 16 bits */
+"		addi	%2, %2, -1\n"	/* Take off for 4 bytes, pickup last 2 at end */
+"		addi	%1, %1, 2\n"	/* Adjust pointer to 32 bit boundary */
+"		br	2f\n"
+"1:\n"
+"		addi	%2, %2, -1\n"
+"		addi	%1, %1, 4\n"	/* Bump ptr a long word */
+"2:\n"
+"		ldw     r9, (%1)\n"
+"1:\n"
+"		add     %0, r9, %0\n"
+"		bgeu	%0, r9, 2f\n"
+"		addi	%0, %0, 1\n"
+"2:\n"
+"		addi	%1, %1, 4\n"
+"		addi	%2, %2, -1\n"
+"		ldw     r9, (%1)\n"
+"		bne	%2, r0, 1b\n"
+"		beq	r8, r0, 1f\n"	/* 32 bit boundary time to leave */
+"		srli	r9, r9, 16\n"	/* 16 bit boundary, get correct 16 bits */
+"		add     %0, r9, %0\n"
+"		bgeu	%0, r9, 1f\n"
+"		addi	%0, %0, 1\n"
+"1:\n"
+"		slli	%2, %0, 16\n"
+"		add     %0, %2, %0\n"
+"		cmpltu	r8, %0, %2\n"
+"		srli	%0, %0, 16\n"
+"		add	%0, %0, r8\n"
+"		nor     %0, %0, %0\n"
+		: "=&r" (sum), "=&r" (iph), "=&r" (ihl)
+		: "1" (iph), "2" (ihl)
+		: "r8", "r9");
+	return sum;
+    barrier();
+  }
+
+/*these 2 functions are now in checksum.c */
+unsigned int csum_partial(const unsigned char * buff, int len, unsigned int sum);
+unsigned int csum_partial_copy(const char *src, char *dst, int len, int sum);
+
+/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
+
+/*
+ * the same as csum_partial_copy, but copies from user space.
+ *
+ * here even more important to align src and dst on a 32-bit (or even
+ * better 64-bit) boundary
+ */
+extern inline unsigned int
+csum_partial_copy_from_user(const char *src, char *dst, int len, int sum, int *csum_err)
+{
+    barrier();
+	if (csum_err) *csum_err = 0;
+	memcpy(dst, src, len);
+	return csum_partial(dst, len, sum);
+    barrier();
+}
+
+#define csum_partial_copy_nocheck(src, dst, len, sum)	\
+	csum_partial_copy ((src), (dst), (len), (sum))
+
+
+/*
+ * this routine is used for miscellaneous IP-like checksums, mainly
+ * in icmp.c
+ */
+
+extern inline unsigned short ip_compute_csum(unsigned char * buff, int len)
+{
+    barrier();
+ return ~from32to16(do_csum(buff,len));
+    barrier();
+}
+
+
+/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
+
+
+#define csum_partial_copy_fromuser(s, d, l, w)  \
+                     csum_partial_copy((char *) (s), (d), (l), (w))
+
+
+/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
+
+
+/*
+ *	Fold a partial checksum without adding pseudo headers
+ */
+extern __inline__ unsigned int csum_fold(unsigned int sum)
+{
+    barrier();
+	__asm__ __volatile__(
+		"add	%0, %1, %0\n"
+		"cmpltu	r8, %0, %1\n"
+		"srli	%0, %0, 16\n"
+		"add	%0, %0, r8\n"
+		"nor	%0, %0, %0\n"
+		: "=r" (sum)
+		: "r" (sum << 16), "0" (sum)
+		: "r8"); 
+	return sum;
+    barrier();
+}
+
+
+/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
+
+
+extern __inline__ unsigned long csum_tcpudp_nofold(unsigned long saddr,
+						   unsigned long daddr,
+						   unsigned short len,
+						   unsigned short proto,
+						   unsigned int sum)
+{
+    barrier();
+	__asm__ __volatile__(
+		"add	%0, %1, %0\n"
+		"cmpltu	r8, %0, %1\n"
+		"add	%0, %0, r8\n"	/* add carry */
+		"add	%0, %2, %0\n"
+		"cmpltu	r8, %0, %2\n"
+		"add	%0, %0, r8\n"	/* add carry */
+		"add	%0, %3, %0\n"
+		"cmpltu	r8, %0, %3\n"
+		"add	%0, %0, r8\n"	/* add carry */
+		: "=r" (sum), "=r" (saddr)
+		: "r" (daddr), "r" ( (ntohs(len)<<16) + (proto*256) ),
+		  "0" (sum),
+		  "1" (saddr)
+		: "r8");
+
+	return sum;
+    barrier();
+}
+
+
+#endif /* (__NIOS2_CHECKSUM_H) */
--- linux/include/asm-nios2nommu/cprefix.h
+++ linux/include/asm-nios2nommu/cprefix.h
@@ -0,0 +1,38 @@
+/* cprefix.h:  This file is included by assembly source which needs
+ *             to know what the c-label prefixes are. The newer versions
+ *	       of cpp that come with gcc predefine such things to help
+ *	       us out. The reason this stuff is needed is to make
+ *	       solaris compiles of the kernel work.
+ *
+ * Copyright (C) 2004 Microtronix Datacom Ltd.
+ * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
+ *
+ * All rights reserved.          
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+#ifndef __NIOS2_CPREFIX_H
+#define __NIOS2_CPREFIX_H
+
+#define C_LABEL_PREFIX
+
+#define CONCAT(a, b) CONCAT2(a, b)
+#define CONCAT2(a, b) a##b
+
+#define C_LABEL(name) CONCAT(C_LABEL_PREFIX, name)
+
+#endif /* !(__NIOS2_CPREFIX_H) */
--- linux/include/asm-nios2nommu/cpumask.h
+++ linux/include/asm-nios2nommu/cpumask.h
@@ -0,0 +1,28 @@
+/*
+ * All rights reserved.          
+ *
+ * Copyright (C) 2004, Microtronix Datacom Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef _ASM_NIOS2NOMMU_CPUMASK_H
+#define _ASM_NIOS2NOMMU_CPUMASK_H
+
+#include <asm-generic/cpumask.h>
+
+#endif /* _ASM_NIOS2NOMMU_CPUMASK_H */
--- linux/include/asm-nios2nommu/cputime.h
+++ linux/include/asm-nios2nommu/cputime.h
@@ -0,0 +1,31 @@
+/*
+ *	cputime.h
+ *	(C) Copyright 2004, Microtronix Datacom Ltd.
+ *
+ * Taken from m68knommu
+ *
+ * All rights reserved.          
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef __NIOS2NOMMU_CPUTIME_H
+#define __NIOS2NOMMU_CPUTIME_H
+
+#include <asm-generic/cputime.h>
+
+#endif /* __NIOS@NOMMU_CPUTIME_H */
--- linux/include/asm-nios2nommu/current.h
+++ linux/include/asm-nios2nommu/current.h
@@ -0,0 +1,39 @@
+#ifndef _NIOS2NOMMU_CURRENT_H
+#define _NIOS2NOMMU_CURRENT_H
+/*
+ *	current.h
+ *	(C) Copyright 2000, Lineo, David McCullough <davidm@uclinux.org>
+ *	(C) Copyright 2002, Greg Ungerer (gerg@snapgear.com)
+ *	(C) Copyright 2004, Microtronix Datacom Ltd.
+ *
+ * All rights reserved.          
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <linux/thread_info.h>
+
+struct task_struct;
+
+static inline struct task_struct *get_current(void)
+{
+	return(current_thread_info()->task);
+}
+
+#define	current	get_current()
+
+#endif /* _NIOS2NOMMU_CURRENT_H */
--- linux/include/asm-nios2nommu/delay.h
+++ linux/include/asm-nios2nommu/delay.h
@@ -0,0 +1,96 @@
+#ifndef _NIOS_DELAY_H
+#define _NIOS_DELAY_H
+
+/*--------------------------------------------------------------------
+ *
+ * include/asm-nios2nommu/delay.h
+ *
+ * Derived from various works, Alpha, ix86, M68K, Sparc, ...et al
+ *
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * Jan/20/2004      dgt     NiosII
+ *
+ ---------------------------------------------------------------------*/
+
+
+#include <asm/param.h>
+
+extern __inline__ void __delay(unsigned long loops)
+{
+	int dummy;
+
+	__asm__ __volatile__(
+        "1:  \n\t"
+        "    beq    %0,zero,2f\n\t"
+        "    addi   %0, %0, -1\n\t" 
+        "    br     1b\n\t" 
+        "2:  \n\t" 
+
+        :  "=r" (dummy)                     /* Need output for optimizer */
+
+        :  "0" (loops)                      /* %0  Input                */
+        );
+}
+
+/*
+ * Note that 19 * 226 == 4294 ==~ 2^32 / 10^6, so
+ * loops = (4294 * usecs * loops_per_jiffy * HZ) / 2^32.
+ *
+ * The mul instruction gives us loops = (a * b) / 2^32.
+ * We choose a = usecs * 19 * HZ and b = loops_per_jiffy * 226
+ * because this lets us support a wide range of HZ and
+ * loops_per_jiffy values without either a or b overflowing 2^32.
+ * Thus we need usecs * HZ <= (2^32 - 1) / 19 = 226050910 and
+ * loops_per_jiffy <= (2^32 - 1) / 226 = 19004280
+ * (which corresponds to ~3800 bogomips at HZ = 100).
+ *  -- paulus
+ */
+#define __MAX_UDELAY	(226050910UL/HZ)	/* maximum udelay argument */
+#define __MAX_NDELAY	(4294967295UL/HZ)	/* maximum ndelay argument */
+
+extern unsigned long loops_per_jiffy;
+
+extern __inline__ void __udelay(unsigned int x)
+{
+	unsigned int loops;
+
+	__asm__("mulxuu %0,%1,%2" : "=r" (loops) :
+		"r" (x), "r" (loops_per_jiffy * 226));
+	__delay(loops);
+}
+
+extern __inline__ void __ndelay(unsigned int x)
+{
+	unsigned int loops;
+
+	__asm__("mulxuu %0,%1,%2" : "=r" (loops) :
+		"r" (x), "r" (loops_per_jiffy * 5));
+	__delay(loops);
+}
+
+extern void __bad_udelay(void);		/* deliberately undefined */
+extern void __bad_ndelay(void);		/* deliberately undefined */
+
+#define udelay(n) (__builtin_constant_p(n)? \
+	((n) > __MAX_UDELAY? __bad_udelay(): __udelay((n) * (19 * HZ))) : \
+	__udelay((n) * (19 * HZ)))
+
+#define ndelay(n) (__builtin_constant_p(n)? \
+	((n) > __MAX_NDELAY? __bad_ndelay(): __ndelay((n) * HZ)) : \
+	__ndelay((n) * HZ))
+
+#define muldiv(a, b, c)    (((a)*(b))/(c))
+
+#endif /* defined(_NIOS_DELAY_H) */
--- linux/include/asm-nios2nommu/div64.h
+++ linux/include/asm-nios2nommu/div64.h
@@ -0,0 +1,31 @@
+#ifndef __ASMNIOS_DIV64_H
+#define __ASMNIOS_DIV64_H
+
+/*--------------------------------------------------------------------
+ *
+ * include/asm-nios2nommu/div64.h
+ *
+ * Derived from m68knommu
+ *
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * Jan/20/2004		dgt	    NiosII
+ *
+ ---------------------------------------------------------------------*/
+
+
+#include <asm-generic/div64.h>
+
+#endif
+
--- linux/include/asm-nios2nommu/dma.h
+++ linux/include/asm-nios2nommu/dma.h
@@ -0,0 +1,57 @@
+/* $Id: dma.h,v 1.6 2005/04/07 21:00:26 wentao Exp $
+ *
+ * Copyright 2004 (C) Microtronix Datacom Ltd.
+ *
+ * All rights reserved.          
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef _ASM_NIOS2_DMA_H
+#define _ASM_NIOS2_DMA_H
+
+#include <linux/kernel.h>
+#include <asm/asm-offsets.h>
+
+#define MAX_DMA_ADDRESS	(LINUX_SDRAM_END)
+
+int request_dma(unsigned int, const char *);
+void free_dma(unsigned int);
+void enable_dma(unsigned int dmanr);
+void disable_dma(unsigned int dmanr);
+void set_dma_count(unsigned int dmanr, unsigned int count);
+int get_dma_residue(unsigned int dmanr);
+void nios2_set_dma_data_width(unsigned int dmanr, unsigned int width);
+
+void nios2_set_dma_handler(unsigned int dmanr, int (*handler)(void*, int), void* user);
+int nios2_request_dma(const char *);
+
+void nios2_set_dma_mode(unsigned int dmanr, unsigned int mode);
+void nios2_set_dma_rcon(unsigned int dmanr, unsigned int set);
+void nios2_set_dma_wcon(unsigned int dmanr, unsigned int set);
+void nios2_set_dma_raddr(unsigned int dmanr, unsigned int a);
+void nios2_set_dma_waddr(unsigned int dmanr, unsigned int a);
+
+static inline unsigned long claim_dma_lock(void)
+{
+}
+
+static inline void release_dma_lock(unsigned long flags)
+{
+}
+
+#endif /* !(_ASM_NIOS2_DMA_H) */
--- linux/include/asm-nios2nommu/dma-mapping.h
+++ linux/include/asm-nios2nommu/dma-mapping.h
@@ -0,0 +1,133 @@
+/*
+ *  include/asm-nios2nommu/dma-mapping.h
+ *
+ *  This file exists so that #include <dma-mapping.h> doesn't break anything.
+ */
+
+#ifndef _ASM_DMA_MAPPING_H
+#define _ASM_DMA_MAPPING_H
+
+#include <asm/scatterlist.h>
+#include <linux/mm.h>
+#include <asm/io.h>
+#include <asm/cacheflush.h>
+
+static inline void *dma_alloc_coherent(struct device *dev, size_t size,
+			 dma_addr_t *dma_handle, int flag)
+{
+	BUG();
+	return 0;
+}
+
+static inline void dma_free_coherent(struct device *dev, size_t size,
+		       void *vaddr, dma_addr_t dma_handle)
+{
+	BUG();
+}
+
+/**
+ * dma_map_single - map a single buffer for streaming DMA
+ * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices
+ * @cpu_addr: CPU direct mapped address of buffer
+ * @size: size of buffer to map
+ * @dir: DMA transfer direction
+ *
+ * Ensure that any data held in the cache is appropriately discarded
+ * or written back.
+ *
+ * The device owns this memory once this call has completed.  The CPU
+ * can regain ownership by calling dma_unmap_single() or
+ * dma_sync_single_for_cpu().
+ */
+static inline dma_addr_t
+dma_map_single(struct device *dev, void *cpu_addr, size_t size,
+	       enum dma_data_direction dir)
+{
+	cache_push ((unsigned long)cpu_addr, size);
+	return virt_to_bus((unsigned long)cpu_addr);
+}
+
+/**
+ * dma_unmap_single - unmap a single buffer previously mapped
+ * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices
+ * @handle: DMA address of buffer
+ * @size: size of buffer to map
+ * @dir: DMA transfer direction
+ *
+ * Unmap a single streaming mode DMA translation.  The handle and size
+ * must match what was provided in the previous dma_map_single() call.
+ * All other usages are undefined.
+ *
+ * After this call, reads by the CPU to the buffer are guaranteed to see
+ * whatever the device wrote there.
+ */
+static inline void
+dma_unmap_single(struct device *dev, dma_addr_t handle, size_t size,
+		 enum dma_data_direction dir)
+{
+	cache_clear((unsigned long)bus_to_virt(handle), size);
+}
+
+/**
+ * dma_map_sg - map a set of SG buffers for streaming mode DMA
+ * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices
+ * @sg: list of buffers
+ * @nents: number of buffers to map
+ * @dir: DMA transfer direction
+ *
+ * Map a set of buffers described by scatterlist in streaming
+ * mode for DMA.  This is the scatter-gather version of the
+ * above dma_map_single interface.  Here the scatter gather list
+ * elements are each tagged with the appropriate dma address
+ * and length.  They are obtained via sg_dma_{address,length}(SG).
+ *
+ * NOTE: An implementation may be able to use a smaller number of
+ *       DMA address/length pairs than there are SG table elements.
+ *       (for example via virtual mapping capabilities)
+ *       The routine returns the number of addr/length pairs actually
+ *       used, at most nents.
+ *
+ * Device ownership issues as mentioned above for dma_map_single are
+ * the same here.
+ */
+static inline int
+dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
+	   enum dma_data_direction dir)
+{
+	int i;
+
+	for (i = 0; i < nents; i++, sg++) {
+		char *virt;
+
+		sg->dma_address = page_to_bus(sg->page) + sg->offset;
+		virt = page_address(sg->page) + sg->offset;
+		cache_push ((unsigned long)virt, sg->length);
+	}
+
+	return nents;
+}
+
+/**
+ * dma_unmap_sg - unmap a set of SG buffers mapped by dma_map_sg
+ * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices
+ * @sg: list of buffers
+ * @nents: number of buffers to map
+ * @dir: DMA transfer direction
+ *
+ * Unmap a set of streaming mode DMA translations.
+ * Again, CPU read rules concerning calls here are the same as for
+ * dma_unmap_single() above.
+ */
+static inline void
+dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nents,
+	     enum dma_data_direction dir)
+{
+	int i;
+
+	for (i = 0; i < nents; i++, sg++) {
+		char *virt;
+		virt = page_address(sg->page) + sg->offset;
+		cache_clear ((unsigned long)virt, sg->length);
+	}
+}
+#endif /* _ASM_DMA_MAPPING_H */
--- linux/include/asm-nios2nommu/elf.h
+++ linux/include/asm-nios2nommu/elf.h
@@ -0,0 +1,141 @@
+#ifndef __NIOS2_ELF_H
+#define __NIOS2_ELF_H
+
+/*--------------------------------------------------------------------
+ *
+ * include/asm-nios2nommu/elf.h
+ *
+ * Nio2 ELF relocation types
+ *
+ * Derived from M68knommu
+ *
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * Jan/20/2004		dgt	    NiosII
+ * Mar/18/2004		xwt		NiosII relocation types added
+ *
+ ---------------------------------------------------------------------*/
+
+// #include <linux/config.h>
+#include <asm/ptrace.h>
+#include <asm/user.h>
+
+#define R_NIOS2_NONE			0
+#define R_NIOS2_S16				1
+#define R_NIOS2_U16				2
+#define R_NIOS2_PCREL16			3
+#define R_NIOS2_CALL26			4
+#define R_NIOS2_IMM5			5
+#define R_NIOS2_CACHE_OPX 		6
+#define R_NIOS2_IMM6			7
+#define R_NIOS2_IMM8			8
+#define R_NIOS2_HI16			9
+#define R_NIOS2_LO16			10
+#define R_NIOS2_HIADJ16 		11
+#define R_NIOS2_BFD_RELOC_32	12
+#define R_NIOS2_BFD_RELOC_16	13
+#define R_NIOS2_BFD_RELOC_8 	14
+#define R_NIOS2_GPREL			15
+#define R_NIOS2_GNU_VTINHERIT 	16
+#define R_NIOS2_GNU_VTENTRY  	17
+#define R_NIOS2_UJMP			18
+#define R_NIOS2_CJMP			19
+#define R_NIOS2_CALLR			20
+#define R_NIOS2_ALIGN			21
+/* Keep this the last entry.  */
+#define R_NIOS2_NUM				22
+
+typedef unsigned long elf_greg_t;
+
+#define ELF_NGREG (sizeof (struct user_regs_struct) / sizeof(elf_greg_t))
+typedef elf_greg_t elf_gregset_t[ELF_NGREG];
+
+typedef unsigned long elf_fpregset_t;
+
+/*
+ * This is used to ensure we don't load something for the wrong architecture.
+ */
+#define elf_check_arch(x) \
+	((x)->e_machine == EM_ALTERA_NIOS2)
+
+/*
+ * These are used to set parameters in the core dumps.
+ */
+#define ELF_CLASS	ELFCLASS32
+#define ELF_DATA	ELFDATA2LSB
+#define ELF_ARCH	EM_ALTERA_NIOS2
+
+#define ELF_PLAT_INIT(_r, load_addr)	_r->a1 = 0
+
+#define USE_ELF_CORE_DUMP
+#define ELF_EXEC_PAGESIZE	4096
+
+/* This is the location that an ET_DYN program is loaded if exec'ed.  Typical
+   use of this is to invoke "./ld.so someprog" to test out a new version of
+   the loader.  We need to make sure that it is out of the way of the program
+   that it will "exec", and that there is sufficient room for the brk.  */
+
+#define ELF_ET_DYN_BASE         0xD0000000UL
+
+/* regs is struct pt_regs, pr_reg is elf_gregset_t (which is
+   now struct_user_regs, they are different) */
+
+#define ELF_CORE_COPY_REGS(pr_reg, regs)				\
+	/* Bleech. */							\
+	pr_reg[0] = regs->r1;						\
+	pr_reg[1] = regs->r2;						\
+	pr_reg[2] = regs->r3;						\
+	pr_reg[3] = regs->r4;						\
+	pr_reg[4] = regs->r5;						\
+	pr_reg[5] = regs->r6;						\
+	pr_reg[6] = regs->r7;						\
+	pr_reg[7] = regs->r8;						\
+	pr_reg[8] = regs->r9;						\
+	pr_reg[9] = regs->r10;						\
+	pr_reg[10] = regs->r11;						\
+	pr_reg[11] = regs->r12;						\
+	pr_reg[12] = regs->r13;						\
+	pr_reg[13] = regs->r14;						\
+	pr_reg[14] = regs->r15;						\
+	pr_reg[23] = regs->sp;						\
+	pr_reg[26] = regs->estatus;					\
+	{								\
+	  struct switch_stack *sw = ((struct switch_stack *)regs) - 1;	\
+	  pr_reg[15] = sw->r16;						\
+	  pr_reg[16] = sw->r17;						\
+	  pr_reg[17] = sw->r18;						\
+	  pr_reg[18] = sw->r19;						\
+	  pr_reg[19] = sw->r20;						\
+	  pr_reg[20] = sw->r21;						\
+	  pr_reg[21] = sw->r22;						\
+	  pr_reg[22] = sw->r23;						\
+	  pr_reg[24] = sw->fp;						\
+	  pr_reg[25] = sw->gp;						\
+	}
+
+/* This yields a mask that user programs can use to figure out what
+   instruction set this cpu supports.  */
+
+#define ELF_HWCAP	(0)
+
+/* This yields a string that ld.so will use to load implementation
+   specific libraries for optimization.  This is more specific in
+   intent than poking at uname or /proc/cpuinfo.  */
+
+#define ELF_PLATFORM  (NULL)
+
+#ifdef __KERNEL__
+#define SET_PERSONALITY(ex, ibcs2) set_personality((ibcs2)?PER_SVR4:PER_LINUX)
+#endif
+
+#endif
--- linux/include/asm-nios2nommu/entry.h
+++ linux/include/asm-nios2nommu/entry.h
@@ -0,0 +1,188 @@
+/*
+ * Hacked from m68knommu port.
+ *
+ *  Copyright(C) 2004 Microtronix Datacom Ltd.
+ *
+ * All rights reserved.          
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef __NIOS2NOMMU_ENTRY_H
+#define __NIOS2NOMMU_ENTRY_H
+
+#ifdef __ASSEMBLY__
+
+// #include <linux/config.h>
+#include <asm/setup.h>
+#include <asm/page.h>
+#include <asm/asm-offsets.h>
+
+/*
+ * Stack layout in 'ret_from_exception':
+ *
+ * This allows access to the syscall arguments in registers r4-r8
+ *
+ *	 0(sp) - r8
+ *	 4(sp) - r9
+ *	 8(sp) - r10
+ *	 C(sp) - r11
+ *	10(sp) - r12
+ *	14(sp) - r13
+ *	18(sp) - r14
+ *	1C(sp) - r15
+ *	20(sp) - r1
+ *	24(sp) - r2
+ *	28(sp) - r3
+ *	2C(sp) - r4
+ *	30(sp) - r5
+ *	34(sp) - r6
+ *	38(sp) - r7
+ *	3C(sp) - orig_r2
+ *	40(sp) - ra
+ *	44(sp) - fp
+ *	48(sp) - sp
+ *	4C(sp) - gp
+ *	50(sp) - estatus
+ *	54(sp) - status_extension
+ *	58(sp) - ea
+ *
+ */
+
+/* process bits for task_struct.flags */
+PF_TRACESYS_OFF = 3
+PF_TRACESYS_BIT = 5
+PF_PTRACED_OFF = 3
+PF_PTRACED_BIT = 4
+PF_DTRACE_OFF = 1
+PF_DTRACE_BIT = 5
+
+LENOSYS = 38
+
+/*
+ * This defines the normal kernel pt-regs layout.
+ *
+ */
+
+/*
+ * Standard Nios2 interrupt entry and exit macros.
+ * Must be called with interrupts disabled.
+ */
+.macro SAVE_ALL
+	movia	r24,status_extension	// Read status extension
+	ldw	r24,0(r24)
+	andi	r24,r24,PS_S_ASM
+	bne	r24,r0,1f		// In supervisor mode, already on kernel stack
+	movia	r24,_current_thread	// Switch to current kernel stack
+	ldw	r24,0(r24)		//  using the thread_info
+	addi	r24,r24,THREAD_SIZE_ASM-PT_REGS_SIZE
+	stw	sp,PT_SP(r24)		// Save user stack before changing
+	mov	sp,r24
+	br	2f
+
+1:	mov	r24,sp
+	addi	sp,sp,-PT_REGS_SIZE	// Backup the kernel stack pointer
+	stw	r24,PT_SP(sp)
+2:	stw	r1,PT_R1(sp)
+	stw	r2,PT_R2(sp)
+	stw	r3,PT_R3(sp)
+	stw	r4,PT_R4(sp)
+	stw	r5,PT_R5(sp)
+	stw	r6,PT_R6(sp)
+	stw	r7,PT_R7(sp)
+	stw	r8,PT_R8(sp)
+	stw	r9,PT_R9(sp)
+	stw	r10,PT_R10(sp)
+	stw	r11,PT_R11(sp)
+	stw	r12,PT_R12(sp)
+	stw	r13,PT_R13(sp)
+	stw	r14,PT_R14(sp)
+	stw	r15,PT_R15(sp)
+	stw	r2,PT_ORIG_R2(sp)
+	stw	ra,PT_RA(sp)
+	stw	fp,PT_FP(sp)
+	stw	gp,PT_GP(sp)
+	rdctl	r24,estatus
+	stw	r24,PT_ESTATUS(sp)
+	movia	r24,status_extension	// Read status extension
+	ldw	r1,0(r24)
+	stw	r1,PT_STATUS_EXTENSION(sp)	// Store user/supervisor status
+	ORI32	r1,r1,PS_S_ASM			// Set supervisor mode
+	stw	r1,0(r24)
+	stw	ea,PT_EA(sp)
+.endm
+
+.macro RESTORE_ALL
+	ldw	r1,PT_STATUS_EXTENSION(sp)	// Restore user/supervisor status
+	movia	r24,status_extension
+	stw	r1,0(r24)
+	ldw	r1,PT_R1(sp)		// Restore registers
+	ldw	r2,PT_R2(sp)
+	ldw	r3,PT_R3(sp)
+	ldw	r4,PT_R4(sp)
+	ldw	r5,PT_R5(sp)
+	ldw	r6,PT_R6(sp)
+	ldw	r7,PT_R7(sp)
+	ldw	r8,PT_R8(sp)
+	ldw	r9,PT_R9(sp)
+	ldw	r10,PT_R10(sp)
+	ldw	r11,PT_R11(sp)
+	ldw	r12,PT_R12(sp)
+	ldw	r13,PT_R13(sp)
+	ldw	r14,PT_R14(sp)
+	ldw	r15,PT_R15(sp)
+	ldw	ra,PT_RA(sp)
+	ldw	fp,PT_FP(sp)
+	ldw	gp,PT_GP(sp)
+	ldw	r24,PT_ESTATUS(sp)
+	wrctl	estatus,r24
+	ldw	ea,PT_EA(sp)
+	ldw	sp,PT_SP(sp)		// Restore sp last
+.endm
+
+.macro	SAVE_SWITCH_STACK
+	addi	sp,sp,-SWITCH_STACK_SIZE
+	stw	r16,SW_R16(sp)
+	stw	r17,SW_R17(sp)
+	stw	r18,SW_R18(sp)
+	stw	r19,SW_R19(sp)
+	stw	r20,SW_R20(sp)
+	stw	r21,SW_R21(sp)
+	stw	r22,SW_R22(sp)
+	stw	r23,SW_R23(sp)
+	stw	fp,SW_FP(sp)
+	stw	gp,SW_GP(sp)
+	stw	ra,SW_RA(sp)
+.endm
+
+.macro	RESTORE_SWITCH_STACK
+	ldw	r16,SW_R16(sp)
+	ldw	r17,SW_R17(sp)
+	ldw	r18,SW_R18(sp)
+	ldw	r19,SW_R19(sp)
+	ldw	r20,SW_R20(sp)
+	ldw	r21,SW_R21(sp)
+	ldw	r22,SW_R22(sp)
+	ldw	r23,SW_R23(sp)
+	ldw	fp,SW_FP(sp)
+	ldw	gp,SW_GP(sp)
+	ldw	ra,SW_RA(sp)
+	addi	sp,sp,SWITCH_STACK_SIZE
+.endm
+
+#endif /* __ASSEMBLY__ */
+#endif /* __NIOS2NOMMU_ENTRY_H */
--- linux/include/asm-nios2nommu/errno.h
+++ linux/include/asm-nios2nommu/errno.h
@@ -0,0 +1,6 @@
+#ifndef _NIOS2NOMMU_ERRNO_H
+#define _NIOS2NOMMU_ERRNO_H
+
+#include <asm-generic/errno.h>
+
+#endif /* _NIOS2NOMMU_ERRNO_H */
--- linux/include/asm-nios2nommu/fcntl.h
+++ linux/include/asm-nios2nommu/fcntl.h
@@ -0,0 +1,110 @@
+/*
+ * This file came from the m68k port.
+ *
+ * Copyright (C) 2004 Microtronix Datacom Ltd.
+ *
+ * All rights reserved.          
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+#ifndef _NIOS2_FCNTL_H
+#define _NIOS2_FCNTL_H
+
+/* open/fcntl - O_SYNC is only implemented on blocks devices and on files
+   located on an ext2 file system */
+#define O_ACCMODE	  0003
+#define O_RDONLY	    00
+#define O_WRONLY	    01
+#define O_RDWR		    02
+#define O_CREAT		  0100	/* not fcntl */
+#define O_EXCL		  0200	/* not fcntl */
+#define O_NOCTTY	  0400	/* not fcntl */
+#define O_TRUNC		 01000	/* not fcntl */
+#define O_APPEND	 02000
+#define O_NONBLOCK	 04000
+#define O_NDELAY	O_NONBLOCK
+#define O_SYNC		010000
+#define FASYNC		020000	/* fcntl, for BSD compatibility */
+#define O_DIRECTORY	040000	/* must be a directory */
+#define O_NOFOLLOW	0100000	/* don't follow links */
+#define O_DIRECT	0200000	/* direct disk access hint - currently ignored */
+#define O_LARGEFILE	0400000
+#define O_NOATIME	01000000
+
+#define F_DUPFD		0	/* dup */
+#define F_GETFD		1	/* get close_on_exec */
+#define F_SETFD		2	/* set/clear close_on_exec */
+#define F_GETFL		3	/* get file->f_flags */
+#define F_SETFL		4	/* set file->f_flags */
+#define F_GETLK		5
+#define F_SETLK		6
+#define F_SETLKW	7
+
+#define F_SETOWN	8	/*  for sockets. */
+#define F_GETOWN	9	/*  for sockets. */
+#define F_SETSIG	10	/*  for sockets. */
+#define F_GETSIG	11	/*  for sockets. */
+
+#define F_GETLK64	12	/*  using 'struct flock64' */
+#define F_SETLK64	13
+#define F_SETLKW64	14
+
+/* for F_[GET|SET]FL */
+#define FD_CLOEXEC	1	/* actually anything with low bit set goes */
+
+/* for posix fcntl() and lockf() */
+#define F_RDLCK		0
+#define F_WRLCK		1
+#define F_UNLCK		2
+
+/* for old implementation of bsd flock () */
+#define F_EXLCK		4	/* or 3 */
+#define F_SHLCK		8	/* or 4 */
+
+/* for leases */
+#define F_INPROGRESS	16
+
+/* operations for bsd flock(), also used by the kernel implementation */
+#define LOCK_SH		1	/* shared lock */
+#define LOCK_EX		2	/* exclusive lock */
+#define LOCK_NB		4	/* or'd with one of the above to prevent
+				   blocking */
+#define LOCK_UN		8	/* remove lock */
+
+#define LOCK_MAND	32	/* This is a mandatory flock */
+#define LOCK_READ	64	/* ... Which allows concurrent read operations */
+#define LOCK_WRITE	128	/* ... Which allows concurrent write operations */
+#define LOCK_RW		192	/* ... Which allows concurrent read & write ops */
+
+struct flock {
+	short l_type;
+	short l_whence;
+	off_t l_start;
+	off_t l_len;
+	pid_t l_pid;
+};
+
+struct flock64 {
+	short  l_type;
+	short  l_whence;
+	loff_t l_start;
+	loff_t l_len;
+	pid_t  l_pid;
+};
+
+#define F_LINUX_SPECIFIC_BASE	1024
+#endif /* _NIOS2_FCNTL_H */
--- linux/include/asm-nios2nommu/flat.h
+++ linux/include/asm-nios2nommu/flat.h
@@ -0,0 +1,126 @@
+/*
+ * include/asm-nios2nommu/flat.h -- uClinux bFLT relocations
+ *
+ *  Copyright (C) 2004,05  Microtronix Datacom Ltd
+ *
+ * This file is subject to the terms and conditions of the GNU General
+ * Public License.  See the file COPYING in the main directory of this
+ * archive for more details.
+ *
+ * Written by Wentao Xu <wentao@microtronix.com>
+ */
+
+#ifndef __NIOS2_FLAT_H__
+#define __NIOS2_FLAT_H__
+
+#define	flat_reloc_valid(reloc, size)	((reloc) <= (size + 0x8000))
+
+/* The stack is 64-bit aligned for Nios II, so (sp - 1) shall
+ * be 64-bit aligned, where -1 is for argc
+ */
+#define	flat_stack_align(sp)		(sp = (unsigned long *)(((unsigned long)sp - 1) & (-8)))
+
+/* The uClibc port for Nios II expects the argc is followed by argv and envp */
+#define	flat_argvp_envp_on_stack()	1
+
+#define	flat_old_ram_flag(flags)	(flags)
+
+/* We store the type of relocation in the top 4 bits of the `relval.' */
+
+/* Convert a relocation entry into an address.  */
+static inline unsigned long
+flat_get_relocate_addr (unsigned long relval)
+{
+	return relval & 0x0fffffff; /* Mask out top 4-bits */
+}
+
+#define FLAT_NIOS2_RELOC_TYPE(relval) ((relval) >> 28)
+
+#define FLAT_NIOS2_R_32			0 /* Normal 32-bit reloc */
+#define FLAT_NIOS2_R_HI_LO		1 /* High 16-bits + low 16-bits field */
+#define FLAT_NIOS2_R_HIADJ_LO	2 /* High 16-bits adjust + low 16-bits field */
+#define FLAT_NIOS2_R_CALL26		4 /* Call imm26 */
+
+/* Extract the address to be relocated from the symbol reference at rp;
+ * relval is the raw relocation-table entry from which RP is derived.
+ * rp shall always be 32-bit aligned
+ */
+static inline unsigned long flat_get_addr_from_rp (unsigned long *rp,
+						   unsigned long relval,
+						   unsigned long flags)
+{
+	switch (FLAT_NIOS2_RELOC_TYPE(relval))
+	{
+	case FLAT_NIOS2_R_32:
+		/* Simple 32-bit address. The loader expect it in bigger endian */
+		return htonl(*rp);
+
+	case FLAT_NIOS2_R_HI_LO:
+		/* get the two 16-bit immediate value from instructions, then
+		 * construct a 32-bit value. Again the loader expect bigger endian
+		 */
+		return htonl ((((rp[0] >> 6) & 0xFFFF) << 16 ) | 
+					  ((rp[1] >> 6) & 0xFFFF));
+
+	case FLAT_NIOS2_R_HIADJ_LO:
+		{
+		/* get the two 16-bit immediate value from instructions, then
+		 * construct a 32-bit value. Again the loader expect bigger endian
+		 */
+		 unsigned int low, high;
+		 high = (rp[0] >> 6) & 0xFFFF;
+		 low  = (rp[1] >> 6) & 0xFFFF;
+		 
+		 if ((low >> 15) & 1) high--;
+		 
+		 return htonl ((high << 16 ) | low );
+		}
+	case FLAT_NIOS2_R_CALL26:
+		/* the 26-bit immediate value is actually 28-bit */
+		return htonl(((*rp) >> 6) << 2);
+
+	default:
+		return ~0;	/* bogus value */
+	}
+}
+
+/* Insert the address addr into the symbol reference at rp;
+ * relval is the raw relocation-table entry from which rp is derived.
+ * rp shall always be 32-bit aligned
+ */
+static inline void flat_put_addr_at_rp (unsigned long *rp, unsigned long addr,
+					unsigned long relval)
+{
+	unsigned long exist_val;
+	switch (FLAT_NIOS2_RELOC_TYPE (relval)) {
+	case FLAT_NIOS2_R_32:
+		/* Simple 32-bit address.  */
+		*rp = addr;
+		break;
+
+	case FLAT_NIOS2_R_HI_LO:
+		exist_val = rp[0];
+		rp[0] = ((((exist_val >> 22) << 16) | (addr >> 16)) << 6) | (exist_val & 0x3F);
+		exist_val = rp[1];
+		rp[1] = ((((exist_val >> 22) << 16) | (addr & 0xFFFF)) << 6) | (exist_val & 0x3F);
+		break;
+
+	case FLAT_NIOS2_R_HIADJ_LO:
+		{
+		unsigned int high = (addr >> 16);
+		if ((addr >> 15) & 1) 
+			high = (high + 1) & 0xFFFF;
+		exist_val = rp[0];
+		rp[0] = ((((exist_val >> 22) << 16) | high) << 6) | (exist_val & 0x3F);
+		exist_val = rp[1];
+		rp[1] = ((((exist_val >> 22) << 16) | (addr & 0xFFFF)) << 6) | (exist_val & 0x3F);
+		break;
+		}
+	case FLAT_NIOS2_R_CALL26:
+		/* the opcode of CALL is 0, so just store the value */
+		*rp = ((addr >> 2) << 6);
+		break;
+	}
+}
+
+#endif /* __NIOS2_FLAT_H__ */
--- linux/include/asm-nios2nommu/hardirq.h
+++ linux/include/asm-nios2nommu/hardirq.h
@@ -0,0 +1,53 @@
+/*
+ * Ported from m68knommu
+ *
+ * Copyright (C) 2003, Microtronix Datacom Ltd.
+ * Copyright (C) 2004, Microtronix Datacom Ltd.
+ *
+ * All rights reserved.          
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+#ifndef __NIOS2_HARDIRQ_H
+#define __NIOS2_HARDIRQ_H
+
+// #include <linux/config.h>
+#include <linux/cache.h>
+#include <linux/threads.h>
+
+typedef struct {
+	unsigned int __softirq_pending;
+} ____cacheline_aligned irq_cpustat_t;
+
+#include <linux/irq_cpustat.h>	/* Standard mappings for irq_cpustat_t above */
+
+#define HARDIRQ_BITS	8
+
+/*
+ * The hardirq mask has to be large enough to have
+ * space for potentially all IRQ sources in the system
+ * nesting on a single CPU:
+ */
+#if (1 << HARDIRQ_BITS) < NR_IRQS
+# error HARDIRQ_BITS is too low!
+#endif
+
+#ifdef CONFIG_SMP
+# error nios2nommu SMP is not available
+#endif /* CONFIG_SMP */
+
+#endif /* __NIOS2_HARDIRQ_H */
--- linux/include/asm-nios2nommu/hdreg.h
+++ linux/include/asm-nios2nommu/hdreg.h
@@ -0,0 +1,30 @@
+/*
+ *  Copyright (C) 1994-1996  Linus Torvalds & authors
+ *  Copyright (C) 2002  Wentau Xu (www.microtronix.com)
+ *  copyright (C) 2004  Microtronix Datacom Ltd.
+ *
+ * All rights reserved.          
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef __NIOS2_HDREG_H
+#define __NIOS2_HDREG_H
+
+typedef unsigned long ide_ioreg_t;
+
+#endif /* __NIOS2_HDREG_H */
--- linux/include/asm-nios2nommu/hw_irq.h
+++ linux/include/asm-nios2nommu/hw_irq.h
@@ -0,0 +1,16 @@
+#ifndef _ASM_HW_IRQ_H
+#define _ASM_HW_IRQ_H
+
+/*
+ *	linux/include/asm/hw_irq.h
+ *
+ *	(C) 1992, 1993 Linus Torvalds, (C) 1997 Ingo Molnar
+ *
+ *	moved some of the old arch/i386/kernel/irq.h to here. VY
+ *
+ *	IRQ/IPI changes taken from work by Thomas Radke
+ *	<tomsoft@informatik.tu-chemnitz.de>
+ */
+
+
+#endif /* _ASM_HW_IRQ_H */
--- linux/include/asm-nios2nommu/ide.h
+++ linux/include/asm-nios2nommu/ide.h
@@ -0,0 +1,47 @@
+/*
+ *  linux/include/asm-niosnommu2/ide.h
+ *
+ *  Copyright (C) 1994-1996  Linus Torvalds & authors
+ *  Copyright (C) 2004	     Microtronix Datacom Ltd.
+ *
+ * All rights reserved.          
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef __ASMNIOS2_IDE_H
+#define __ASMNIOS2_IDE_H
+
+#ifdef __KERNEL__
+#undef MAX_HWIFS		/* we're going to force it */
+
+#ifndef MAX_HWIFS
+#define MAX_HWIFS	1
+#endif
+
+#define IDE_ARCH_OBSOLETE_INIT
+#define IDE_ARCH_OBSOLETE_DEFAULTS
+#define ide_default_io_base(i)		((unsigned long)na_ide_ide)
+#define ide_default_irq(b)			(na_ide_ide_irq)
+#define ide_init_default_irq(base)	ide_default_irq(base)
+#define ide_default_io_ctl(base)	((base) + (0xE*4))
+
+#include <asm-generic/ide_iops.h>
+
+#endif /* __KERNEL__ */
+
+#endif /* __ASMNIOS2_IDE_H */
--- linux/include/asm-nios2nommu/init.h
+++ linux/include/asm-nios2nommu/init.h
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) 2004, Microtronix Datacom Ltd.
+ *
+ * All rights reserved.          
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+#error "<asm/init.h> should never be used - use <linux/init.h> instead"
--- linux/include/asm-nios2nommu/ioctl.h
+++ linux/include/asm-nios2nommu/ioctl.h
@@ -0,0 +1,100 @@
+/* $Id: ioctl.h,v 1.3 2004/02/12 23:06:40 ken-h Exp $
+ *
+ * linux/ioctl.h for Linux by H.H. Bergman.
+ *
+ * Copyright (C) 2004,  Microtronix Datacom Ltd.
+ *
+ * All rights reserved.          
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef _NIOS2_IOCTL_H
+#define _NIOS2_IOCTL_H
+
+/* ioctl command encoding: 32 bits total, command in lower 16 bits,
+ * size of the parameter structure in the lower 14 bits of the
+ * upper 16 bits.
+ * Encoding the size of the parameter structure in the ioctl request
+ * is useful for catching programs compiled with old versions
+ * and to avoid overwriting user space outside the user buffer area.
+ * The highest 2 bits are reserved for indicating the ``access mode''.
+ * NOTE: This limits the max parameter size to 16kB -1 !
+ */
+
+/*
+ * I don't really have any idea about what this should look like, so
+ * for the time being, this is heavily based on the PC definitions.
+ */
+
+/*
+ * The following is for compatibility across the various Linux
+ * platforms.  The i386 ioctl numbering scheme doesn't really enforce
+ * a type field.  De facto, however, the top 8 bits of the lower 16
+ * bits are indeed used as a type field, so we might just as well make
+ * this explicit here.  Please be sure to use the decoding macros
+ * below from now on.
+ */
+#define _IOC_NRBITS	8
+#define _IOC_TYPEBITS	8
+#define _IOC_SIZEBITS	14
+#define _IOC_DIRBITS	2
+
+#define _IOC_NRMASK	((1 << _IOC_NRBITS)-1)
+#define _IOC_TYPEMASK	((1 << _IOC_TYPEBITS)-1)
+#define _IOC_SIZEMASK	((1 << _IOC_SIZEBITS)-1)
+#define _IOC_DIRMASK	((1 << _IOC_DIRBITS)-1)
+
+#define _IOC_NRSHIFT	0
+#define _IOC_TYPESHIFT	(_IOC_NRSHIFT+_IOC_NRBITS)
+#define _IOC_SIZESHIFT	(_IOC_TYPESHIFT+_IOC_TYPEBITS)
+#define _IOC_DIRSHIFT	(_IOC_SIZESHIFT+_IOC_SIZEBITS)
+
+/*
+ * Direction bits.
+ */
+#define _IOC_NONE	0U
+#define _IOC_WRITE	1U
+#define _IOC_READ	2U
+
+#define _IOC(dir,type,nr,size) \
+	(((dir)  << _IOC_DIRSHIFT) | \
+	 ((type) << _IOC_TYPESHIFT) | \
+	 ((nr)   << _IOC_NRSHIFT) | \
+	 ((size) << _IOC_SIZESHIFT))
+
+/* used to create numbers */
+#define _IO(type,nr)		_IOC(_IOC_NONE,(type),(nr),0)
+#define _IOR(type,nr,size)	_IOC(_IOC_READ,(type),(nr),sizeof(size))
+#define _IOW(type,nr,size)	_IOC(_IOC_WRITE,(type),(nr),sizeof(size))
+#define _IOWR(type,nr,size)	_IOC(_IOC_READ|_IOC_WRITE,(type),(nr),sizeof(size))
+
+/* used to decode ioctl numbers.. */
+#define _IOC_DIR(nr)		(((nr) >> _IOC_DIRSHIFT) & _IOC_DIRMASK)
+#define _IOC_TYPE(nr)		(((nr) >> _IOC_TYPESHIFT) & _IOC_TYPEMASK)
+#define _IOC_NR(nr)		(((nr) >> _IOC_NRSHIFT) & _IOC_NRMASK)
+#define _IOC_SIZE(nr)		(((nr) >> _IOC_SIZESHIFT) & _IOC_SIZEMASK)
+
+/* ...and for the drivers/sound files... */
+
+#define IOC_IN		(_IOC_WRITE << _IOC_DIRSHIFT)
+#define IOC_OUT		(_IOC_READ << _IOC_DIRSHIFT)
+#define IOC_INOUT	((_IOC_WRITE|_IOC_READ) << _IOC_DIRSHIFT)
+#define IOCSIZE_MASK	(_IOC_SIZEMASK << _IOC_SIZESHIFT)
+#define IOCSIZE_SHIFT	(_IOC_SIZESHIFT)
+
+#endif /* _NIOS2_IOCTL_H */
--- linux/include/asm-nios2nommu/ioctls.h
+++ linux/include/asm-nios2nommu/ioctls.h
@@ -0,0 +1,103 @@
+/*
+ * Copyright (C) 2004, Microtronix Datacom Ltd.
+ *
+ * All rights reserved.          
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef __ARCH_NIOS2_IOCTLS_H__
+#define __ARCH_NIOS2_IOCTLS_H__
+
+#include <asm/ioctl.h>
+
+/* 0x54 is just a magic number to make these relatively unique ('T') */
+
+#define TCGETS		0x5401
+#define TCSETS		0x5402
+#define TCSETSW		0x5403
+#define TCSETSF		0x5404
+#define TCGETA		0x5405
+#define TCSETA		0x5406
+#define TCSETAW		0x5407
+#define TCSETAF		0x5408
+#define TCSBRK		0x5409
+#define TCXONC		0x540A
+#define TCFLSH		0x540B
+#define TIOCEXCL	0x540C
+#define TIOCNXCL	0x540D
+#define TIOCSCTTY	0x540E
+#define TIOCGPGRP	0x540F
+#define TIOCSPGRP	0x5410
+#define TIOCOUTQ	0x5411
+#define TIOCSTI		0x5412
+#define TIOCGWINSZ	0x5413
+#define TIOCSWINSZ	0x5414
+#define TIOCMGET	0x5415
+#define TIOCMBIS	0x5416
+#define TIOCMBIC	0x5417
+#define TIOCMSET	0x5418
+#define TIOCGSOFTCAR	0x5419
+#define TIOCSSOFTCAR	0x541A
+#define FIONREAD	0x541B
+#define TIOCINQ		FIONREAD
+#define TIOCLINUX	0x541C
+#define TIOCCONS	0x541D
+#define TIOCGSERIAL	0x541E
+#define TIOCSSERIAL	0x541F
+#define TIOCPKT		0x5420
+#define FIONBIO		0x5421
+#define TIOCNOTTY	0x5422
+#define TIOCSETD	0x5423
+#define TIOCGETD	0x5424
+#define TCSBRKP		0x5425	/* Needed for POSIX tcsendbreak() */
+#define TIOCTTYGSTRUCT	0x5426  /* For debugging only */
+#define TIOCSBRK	0x5427  /* BSD compatibility */
+#define TIOCCBRK	0x5428  /* BSD compatibility */
+#define TIOCGSID	0x5429  /* Return the session ID of FD */
+#define TIOCGPTN	_IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */
+#define TIOCSPTLCK	_IOW('T',0x31, int)  /* Lock/unlock Pty */
+
+#define FIONCLEX	0x5450  /* these numbers need to be adjusted. */
+#define FIOCLEX		0x5451
+#define FIOASYNC	0x5452
+#define TIOCSERCONFIG	0x5453
+#define TIOCSERGWILD	0x5454
+#define TIOCSERSWILD	0x5455
+#define TIOCGLCKTRMIOS	0x5456
+#define TIOCSLCKTRMIOS	0x5457
+#define TIOCSERGSTRUCT	0x5458 /* For debugging only */
+#define TIOCSERGETLSR   0x5459 /* Get line status register */
+#define TIOCSERGETMULTI 0x545A /* Get multiport config  */
+#define TIOCSERSETMULTI 0x545B /* Set multiport config */
+
+#define TIOCMIWAIT	0x545C	/* wait for a change on serial input line(s) */
+#define TIOCGICOUNT	0x545D	/* read serial port inline interrupt counts */
+#define FIOQSIZE	0x545E
+
+/* Used for packet mode */
+#define TIOCPKT_DATA		 0
+#define TIOCPKT_FLUSHREAD	 1
+#define TIOCPKT_FLUSHWRITE	 2
+#define TIOCPKT_STOP		 4
+#define TIOCPKT_START		 8
+#define TIOCPKT_NOSTOP		16
+#define TIOCPKT_DOSTOP		32
+
+#define TIOCSER_TEMT    0x01	/* Transmitter physically empty */
+
+#endif /* __ARCH_NIOS2_IOCTLS_H__ */
--- linux/include/asm-nios2nommu/io.h
+++ linux/include/asm-nios2nommu/io.h
@@ -0,0 +1,240 @@
+/*
+ * Copyright (C) 2004, Microtronix Datacom Ltd.
+ *
+ * All rights reserved.          
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef __NIOS2_IO_H
+#define __NIOS2_IO_H
+
+#ifdef __KERNEL__
+
+#include <linux/kernel.h>
+
+#include <asm/page.h>      /* IO address mapping routines need this */
+#include <asm/system.h>
+#include <asm/unaligned.h>
+
+extern void insw(unsigned long port, void *dst, unsigned long count);
+extern void outsw(unsigned long port, void *src, unsigned long count);
+extern void insl(unsigned long port, void *dst, unsigned long count);
+extern void outsl(unsigned long port, void *src, unsigned long count);
+
+
+/*
+ * readX/writeX() are used to access memory mapped devices. On some
+ * architectures the memory mapped IO stuff needs to be accessed
+ * differently. On the Nios architecture, we just read/write the
+ * memory location directly.
+ */
+
+#define readb(addr) 	\
+({						\
+	unsigned char __res;\
+	__asm__ __volatile__( \
+		"ldbuio %0, 0(%1)" \
+		: "=r"(__res)	\
+		: "r" (addr));	\
+	__res;				\
+})
+
+#define readw(addr) 	\
+({						\
+	unsigned short __res;\
+	__asm__ __volatile__( \
+		"ldhuio %0, 0(%1)" \
+		: "=r"(__res)	\
+		: "r" (addr));	\
+	__res;				\
+})
+
+#define readl(addr) 	\
+({						\
+	unsigned int __res;\
+	__asm__ __volatile__( \
+		"ldwio %0, 0(%1)" \
+		: "=r"(__res)	\
+		: "r" (addr));	\
+	__res;				\
+})
+
+#define writeb(b,addr)	\
+({						\
+	__asm__ __volatile__( \
+		"stbio %0, 0(%1)" \
+		: : "r"(b), "r" (addr));	\
+})
+
+#define writew(b,addr)	\
+({						\
+	__asm__ __volatile__( \
+		"sthio %0, 0(%1)" \
+		: : "r"(b), "r" (addr));	\
+})
+
+#define writel(b,addr)	\
+({						\
+	__asm__ __volatile__( \
+		"stwio %0, 0(%1)" \
+		: : "r"(b), "r" (addr));	\
+})
+
+#define __raw_readb readb
+#define __raw_readw readw
+#define __raw_readl readl
+#define __raw_writeb writeb
+#define __raw_writew writew
+#define __raw_writel writel
+
+#define mmiowb()
+
+/*
+ *	make the short names macros so specific devices
+ *	can override them as required
+ */
+
+#define memset_io(addr,c,len)	memset((void *)(((unsigned int)(addr)) | 0x80000000),(c),(len))
+#define memcpy_fromio(to,from,len)	memcpy((to),(void *)(((unsigned int)(from)) | 0x80000000),(len))
+#define memcpy_toio(to,from,len)	memcpy((void *)(((unsigned int)(to)) | 0x80000000),(from),(len))
+
+#define inb(addr)    readb(addr)
+#define inw(addr)    readw(addr)
+#define inl(addr)    readl(addr)
+
+#define outb(x,addr) ((void) writeb(x,addr))
+#define outw(x,addr) ((void) writew(x,addr))
+#define outl(x,addr) ((void) writel(x,addr))
+
+#define inb_p(addr)    inb(addr)
+#define inw_p(addr)    inw(addr)
+#define inl_p(addr)    inl(addr)
+
+#define outb_p(x,addr) outb(x,addr)
+#define outw_p(x,addr) outw(x,addr)
+#define outl_p(x,addr) outl(x,addr)
+
+
+
+extern inline void insb(unsigned long port, void *dst, unsigned long count)
+{
+	unsigned char *p=(unsigned char*)dst;
+	while (count--)
+		*p++ = inb(port);
+}
+
+/* See arch/niosnommu/io.c for optimized version */
+extern inline void _insw(unsigned long port, void *dst, unsigned long count)
+{
+	unsigned short *p=(unsigned short*)dst;
+	while (count--)
+		*p++ = inw(port);
+}
+
+/* See arch/niosnommu/kernel/io.c for unaligned destination pointer */
+extern inline void _insl(unsigned long port, void *dst, unsigned long count)
+{
+	unsigned long *p=(unsigned long*)dst;
+	while (count--)
+		*p++ = inl(port);
+}
+
+extern inline void outsb(unsigned long port, void *src, unsigned long count)
+{
+	unsigned char *p=(unsigned char*)src;
+	while (count--) 
+        outb( *p++, port );
+}
+
+/* See arch/niosnommu/io.c for optimized version */
+extern inline void _outsw(unsigned long port, void *src, unsigned long count)
+{
+	unsigned short *p=(unsigned short*)src;
+	while (count--) 
+        outw( *p++, port );
+}
+
+/* See arch/niosnommu/kernel/io.c for unaligned source pointer */
+extern inline void _outsl(unsigned long port, void *src, unsigned long count)
+{
+	unsigned long *p=(unsigned long*)src;
+	while (count--) 
+        outl( *p++, port );
+}
+
+
+
+extern inline void mapioaddr(unsigned long physaddr, unsigned long virt_addr,
+			     int bus, int rdonly)
+{
+	return;
+}
+
+//vic - copied from m68knommu
+
+/* Values for nocacheflag and cmode */
+#define IOMAP_FULL_CACHING		0
+#define IOMAP_NOCACHE_SER		1
+#define IOMAP_NOCACHE_NONSER		2
+#define IOMAP_WRITETHROUGH		3
+
+extern void *__ioremap(unsigned long physaddr, unsigned long size, int cacheflag);
+extern void __iounmap(void *addr, unsigned long size);
+
+extern inline void *ioremap(unsigned long physaddr, unsigned long size)
+{
+	return __ioremap(physaddr, size, IOMAP_NOCACHE_SER);
+}
+extern inline void *ioremap_nocache(unsigned long physaddr, unsigned long size)
+{
+	return __ioremap(physaddr, size, IOMAP_NOCACHE_SER);
+}
+extern inline void *ioremap_writethrough(unsigned long physaddr, unsigned long size)
+{
+	return __ioremap(physaddr, size, IOMAP_WRITETHROUGH);
+}
+extern inline void *ioremap_fullcache(unsigned long physaddr, unsigned long size)
+{
+	return __ioremap(physaddr, size, IOMAP_FULL_CACHING);
+}
+
+extern void iounmap(void *addr);
+
+
+#define IO_SPACE_LIMIT 0xffffffff
+
+#define dma_cache_inv(_start,_size)		do { } while (0)
+#define dma_cache_wback(_start,_size)		do { } while (0)
+#define dma_cache_wback_inv(_start,_size)	do { } while (0)
+
+/* Pages to physical address... */
+#define page_to_phys(page)      ((page - mem_map) << PAGE_SHIFT)
+#define page_to_bus(page)       ((page - mem_map) << PAGE_SHIFT)
+
+#define mm_ptov(vaddr)		((void *) (vaddr))
+#define mm_vtop(vaddr)		((unsigned long) (vaddr))
+#define phys_to_virt(vaddr)	((void *) (vaddr))
+#define virt_to_phys(vaddr)	((unsigned long) (vaddr))
+
+#define virt_to_bus virt_to_phys
+#define bus_to_virt phys_to_virt
+
+#endif /* __KERNEL__ */
+
+#endif /* !(__NIOS2_IO_H) */
+
--- linux/include/asm-nios2nommu/ipcbuf.h
+++ linux/include/asm-nios2nommu/ipcbuf.h
@@ -0,0 +1,49 @@
+#ifndef __NIOS2_IPCBUF_H__
+#define __NIOS2_IPCBUF_H__
+
+/* Copied from asm-m68k/ipcbuf.h
+ * The user_ipc_perm structure for Nios architecture.
+ * Note extra padding because this structure is passed back and forth
+ * between kernel and user space.
+ *
+ * Pad space is left for:
+ * - 32-bit mode_t and seq
+ * - 2 miscellaneous 32-bit values
+ * 
+ * Copyright (C) 2004, Microtronix Datacom Ltd.
+ *
+ * All rights reserved.          
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+struct ipc64_perm
+{
+	__kernel_key_t		key;
+	__kernel_uid32_t	uid;
+	__kernel_gid32_t	gid;
+	__kernel_uid32_t	cuid;
+	__kernel_gid32_t	cgid;
+	__kernel_mode_t		mode;
+	unsigned short		__pad1;
+	unsigned short		seq;
+	unsigned short		__pad2;
+	unsigned long		__unused1;
+	unsigned long		__unused2;
+};
+
+#endif /* __NIOS2_IPCBUF_H__ */
--- linux/include/asm-nios2nommu/ipc.h
+++ linux/include/asm-nios2nommu/ipc.h
@@ -0,0 +1,51 @@
+#ifndef __NIOS2_IPC_H__
+#define __NIOS2_IPC_H__
+
+/* Copied from sparc version
+ * These are used to wrap system calls on the Nios.
+ *
+ * See arch/niosnommu/kernel/sys_nios.c for ugly details..
+ *
+ * Copyright (C) 2004, Microtronix Datacom Ltd.
+ *
+ * All rights reserved.          
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+struct ipc_kludge {
+	struct msgbuf *msgp;
+	long msgtyp;
+};
+
+#define SEMOP		 1
+#define SEMGET		 2
+#define SEMCTL		 3
+#define MSGSND		11
+#define MSGRCV		12
+#define MSGGET		13
+#define MSGCTL		14
+#define SHMAT		21
+#define SHMDT		22
+#define SHMGET		23
+#define SHMCTL		24
+
+/* Used by the DIPC package, try and avoid reusing it */
+#define DIPC            25
+
+#define IPCCALL(version,op)	((version)<<16 | (op))
+
+#endif
--- linux/include/asm-nios2nommu/irq.h
+++ linux/include/asm-nios2nommu/irq.h
@@ -0,0 +1,182 @@
+/*
+ * 21Mar2001    1.1    dgt/microtronix
+ *
+ * Copyright (C) 2004, Microtronix Datacom Ltd.
+ *
+ * All rights reserved.          
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+
+#ifndef _NIOS2NOMMU_IRQ_H_
+#define _NIOS2NOMMU_IRQ_H_
+
+extern void disable_irq(unsigned int);
+extern void enable_irq(unsigned int);
+
+// #include <linux/config.h>
+#include <linux/interrupt.h>
+
+#define	SYS_IRQS	32
+#define	NR_IRQS		SYS_IRQS
+
+/*
+ * Interrupt source definitions
+ * General interrupt sources are the level 1-7.
+ * Adding an interrupt service routine for one of these sources
+ * results in the addition of that routine to a chain of routines.
+ * Each one is called in succession.  Each individual interrupt
+ * service routine should determine if the device associated with
+ * that routine requires service.
+ */
+
+#define IRQ01		(1)	/* level 1  interrupt */
+#define IRQ02		(2)	/* level 2  interrupt */
+#define IRQ03		(3)	/* level 3  interrupt */
+#define IRQ04		(4)	/* level 4  interrupt */
+#define IRQ05		(5)	/* level 5  interrupt */
+#define IRQ06		(6)	/* level 6  interrupt */
+#define IRQ07		(7)	/* level 7  interrupt */
+#define IRQ08		(8)	/* level 8  interrupt */
+#define IRQ09		(9)	/* level 9  interrupt */
+#define IRQ0A		(10)	/* level 10 interrupt */
+#define IRQ0B		(11)	/* level 11 interrupt */
+#define IRQ0C		(12)	/* level 12 interrupt */
+#define IRQ0D		(13)	/* level 13 interrupt */
+#define IRQ0E		(14)	/* level 14 interrupt */
+#define IRQ0F		(15)	/* level 15 interrupt */
+#define IRQ10		(16)	/* level 16 interrupt */
+#define IRQ12		(17)	/* level 17 interrupt */
+#define IRQ13		(18)	/* level 18 interrupt */
+#define IRQ14		(19)	/* level 19 interrupt */
+#define IRQ15		(20)	/* level 20 interrupt */
+#define IRQ16		(21)	/* level 21 interrupt */
+#define IRQ17		(22)	/* level 22 interrupt */
+#define IRQ18		(23)	/* level 23 interrupt */
+#define IRQ19		(24)	/* level 24 interrupt */
+#define IRQ1A		(25)	/* level 25 interrupt */
+#define IRQ1B		(26)	/* level 26 interrupt */
+#define IRQ1C		(27)	/* level 27 interrupt */
+#define IRQ1D		(28)	/* level 28 interrupt */
+#define IRQ1E		(29)	/* level 29 interrupt */
+#define IRQ1F		(30)	/* level 30 interrupt */
+#define IRQ20		(31)	/* level 31 interrupt */
+#define IRQ21		(32)	/* level 32 interrupt */
+
+#define IRQMAX		IRQ21
+
+/*
+ * "Generic" interrupt sources
+ */
+
+/*
+ * Machine specific interrupt sources.
+ *
+ * Adding an interrupt service routine for a source with this bit
+ * set indicates a special machine specific interrupt source.
+ * The machine specific files define these sources.
+ *
+ * Removed, they are not used by any one.
+ */
+
+/*
+ * various flags for request_irq()
+ */
+#define IRQ_FLG_LOCK	(0x0001)	/* handler is not replaceable	*/
+#define IRQ_FLG_REPLACE	(0x0002)	/* replace existing handler	*/
+#define IRQ_FLG_FAST	(0x0004)
+#define IRQ_FLG_SLOW	(0x0008)
+#define IRQ_FLG_STD	(0x8000)	/* internally used		*/
+
+/*
+ * Functions to set and clear the interrupt mask.
+ */
+
+/*
+ * Use a zero to clean the bit.
+ */
+static inline void clrimr(int mask)
+{
+	int flags;
+
+	local_irq_save(flags);
+	__asm__ __volatile__(
+	"rdctl	r8, ienable\n"
+	"and	r8,r8,%0\n"
+	"wrctl	ienable, r8\n"
+	: /* No output */
+	: "r" (mask)
+	: "r8");
+	local_irq_restore(flags);
+}
+
+/*
+ * Use a one to set the bit.
+ */
+static inline void setimr(int mask)
+{
+	int flags;
+
+	local_irq_save(flags);
+	__asm__ __volatile__(
+	"rdctl	r8, ienable\n"
+	"or	r8,r8,%0\n"
+	"wrctl	ienable, r8\n"
+	: /* No output */
+	: "r" (mask)
+	: "r8");
+	local_irq_restore(flags);
+}
+
+/*
+ * This structure is used to chain together the ISRs for a particular
+ * interrupt source (if it supports chaining).
+ */
+typedef struct irq_node {
+	irqreturn_t	(*handler)(int, void *, struct pt_regs *);
+	unsigned long	flags;
+	void		*dev_id;
+	const char	*devname;
+	struct irq_node *next;
+} irq_node_t;
+
+/*
+ * This function returns a new irq_node_t
+ */
+extern irq_node_t *new_irq_node(void);
+
+/*
+ * This structure has only 4 elements for speed reasons
+ */
+typedef struct irq_handler {
+	irqreturn_t	(*handler)(int, void *, struct pt_regs *);
+	unsigned long	flags;
+	void		*dev_id;
+	const char	*devname;
+} irq_handler_t;
+
+/* count of spurious interrupts */
+extern volatile unsigned int num_spurious;
+
+#define disable_irq_nosync(i) disable_irq(i)
+
+#ifndef irq_canonicalize
+#define irq_canonicalize(i)	(i)
+#endif
+
+#endif /* _NIOS2NOMMU_IRQ_H_ */
--- linux/include/asm-nios2nommu/kmap_types.h
+++ linux/include/asm-nios2nommu/kmap_types.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2004, Microtronix Datacom Ltd.
+ *
+ * All rights reserved.          
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef _ASM_KMAP_TYPES_H
+#define _ASM_KMAP_TYPES_H
+
+enum km_type {
+	KM_BOUNCE_READ,
+	KM_SKB_SUNRPC_DATA,
+	KM_SKB_DATA_SOFTIRQ,
+	KM_USER0,
+	KM_USER1,
+	KM_BIO_SRC_IRQ,
+	KM_BIO_DST_IRQ,
+	KM_PTE0,
+	KM_PTE1,
+	KM_IRQ0,
+	KM_IRQ1,
+	KM_SOFTIRQ0,
+	KM_SOFTIRQ1,
+	KM_TYPE_NR
+};
+
+#endif
--- linux/include/asm-nios2nommu/linkage.h
+++ linux/include/asm-nios2nommu/linkage.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2004, Microtronix Datacom Ltd.
+ *
+ * All rights reserved.          
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef __ASM_LINKAGE_H
+#define __ASM_LINKAGE_H
+
+#define __ALIGN .align 3
+#define __ALIGN_STR ".align 3"
+
+#endif
--- linux/include/asm-nios2nommu/linux_logo.h
+++ linux/include/asm-nios2nommu/linux_logo.h
@@ -0,0 +1,953 @@
+/* $Id: linux_logo.h,v 1.3 2004/02/12 23:06:40 ken-h Exp $
+ * include/asm-nios/linux_logo.h: This is a linux logo
+ *                                 to be displayed on boot.
+ *
+ * Copyright (C) 1996 Larry Ewing (lewing@isc.tamu.edu)
+ * Copyright (C) 1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
+ * Copyright (C) 2004 Micrtronix Datacom Ltd.
+ *
+ * You can put anything here, but:
+ * LINUX_LOGO_COLORS has to be less than 224
+ * image size has to be 80x80
+ * values have to start from 0x20
+ * (i.e. RGB(linux_logo_red[0],
+ *	     linux_logo_green[0],
+ *	     linux_logo_blue[0]) is color 0x20)
+ * BW image has to be 80x80 as well, with MS bit
+ * on the left
+ * Serial_console ascii image can be any size,
+ * but should contain %s to display the version
+ *
+ * All rights reserved.          
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+ 
+#include <linux/init.h>
+#include <linux/version.h>
+
+#define linux_logo_banner "Linux/NIOS2 version " UTS_RELEASE
+
+#define __HAVE_ARCH_LINUX_LOGO
+#define __HAVE_ARCH_LINUX_LOGO16
+
+#define LINUX_LOGO_COLORS	221
+
+#ifdef INCLUDE_LINUX_LOGO_DATA
+
+unsigned char linux_logo_red[] __initdata = {
+    0x00, 0x06, 0x0a, 0x0e, 0x16, 0x1a, 0x1e, 0x22,
+    0x12, 0x00, 0x2a, 0x36, 0x42, 0x4e, 0x4a, 0x56,
+    0x26, 0x46, 0x2e, 0x32, 0x52, 0x3a, 0x02, 0x65,
+    0x5e, 0x3e, 0x74, 0x8a, 0xa2, 0x9a, 0x86, 0xc6,
+    0xc3, 0x65, 0xbb, 0xd2, 0xda, 0xd6, 0xe2, 0xf6,
+    0xfd, 0xae, 0x7b, 0xdd, 0xea, 0x6a, 0xaa, 0xe7,
+    0xbe, 0x5a, 0xee, 0x9e, 0x95, 0x80, 0x76, 0x79,
+    0x62, 0x36, 0x9a, 0xe2, 0xec, 0xe1, 0xb8, 0xd7,
+    0xaf, 0x25, 0xbc, 0xc0, 0xef, 0xea, 0xe8, 0xe8,
+    0xf5, 0xf1, 0xda, 0xd3, 0x79, 0xdb, 0xf4, 0xf6,
+    0xf6, 0xf6, 0xe2, 0x3d, 0xb4, 0xce, 0xe6, 0xee,
+    0xf6, 0x68, 0xd8, 0xec, 0xf5, 0xc6, 0xc8, 0x9c,
+    0x89, 0xd2, 0xee, 0xcb, 0xb9, 0xd2, 0x66, 0x5e,
+    0x8b, 0xbe, 0xa8, 0xd5, 0xca, 0xb6, 0xae, 0x9c,
+    0xc5, 0xbe, 0xbe, 0xca, 0x90, 0xb2, 0x9a, 0xa8,
+    0xb6, 0xf2, 0xce, 0xfa, 0xb2, 0x6e, 0xa6, 0xfe,
+    0xf6, 0xec, 0xfe, 0xd2, 0xea, 0xf5, 0xf2, 0xf2,
+    0xe9, 0xee, 0xf6, 0xf2, 0xee, 0xf6, 0xda, 0xd4,
+    0xfa, 0xca, 0xf2, 0xf6, 0xfe, 0xf2, 0xda, 0xe4,
+    0xf6, 0xdd, 0xf2, 0xee, 0xfa, 0xf0, 0x12, 0x4a,
+    0xd6, 0xf2, 0x8e, 0xf2, 0xf6, 0xf6, 0xb5, 0xf1,
+    0x26, 0x9a, 0xea, 0xf6, 0xe0, 0xd2, 0x16, 0x9a,
+    0x2e, 0xd2, 0x70, 0xd6, 0x46, 0x7c, 0xb4, 0x62,
+    0xda, 0xee, 0xd6, 0xa3, 0x74, 0xa7, 0xa2, 0xe0,
+    0xae, 0xbe, 0xce, 0xe2, 0xa3, 0x8e, 0x6d, 0x8e,
+    0x32, 0xaf, 0x50, 0x9e, 0x5b, 0x8a, 0x98, 0x82,
+    0x7a, 0x82, 0x56, 0x7c, 0x8a, 0x56, 0x5e, 0x86,
+    0x6a, 0x52, 0x59, 0x64, 0x5e,
+};
+
+unsigned char linux_logo_green[] __initdata = {
+    0x00, 0x06, 0x0a, 0x0e, 0x16, 0x1a, 0x1e, 0x22,
+    0x12, 0x00, 0x2a, 0x36, 0x42, 0x4e, 0x4a, 0x56,
+    0x26, 0x46, 0x2e, 0x32, 0x52, 0x3a, 0x02, 0x65,
+    0x5e, 0x3e, 0x74, 0x8a, 0xa2, 0x9a, 0x86, 0xc6,
+    0xc3, 0x62, 0xbb, 0xd2, 0xda, 0xd6, 0xe2, 0xf6,
+    0xfd, 0xae, 0x7b, 0xdd, 0xea, 0x6a, 0xaa, 0xe7,
+    0xbe, 0x5a, 0xee, 0x9e, 0x95, 0x80, 0x62, 0x5c,
+    0x4e, 0x26, 0x72, 0xaa, 0xba, 0xaf, 0x90, 0xae,
+    0x92, 0x1a, 0xa4, 0x85, 0xb6, 0xbe, 0xc3, 0xc8,
+    0xcf, 0xd0, 0xc2, 0xce, 0x57, 0xa2, 0xd6, 0xda,
+    0xda, 0xd7, 0xb8, 0x2a, 0x7b, 0x91, 0xae, 0xca,
+    0xda, 0x45, 0x9e, 0xb2, 0xd7, 0x9b, 0x90, 0x76,
+    0x5c, 0xa2, 0xbe, 0xa6, 0x85, 0x96, 0x4e, 0x46,
+    0x66, 0x92, 0x7a, 0x9a, 0x96, 0x9d, 0x9a, 0x6b,
+    0x8a, 0x8e, 0xb2, 0xca, 0x90, 0xa6, 0x79, 0x7c,
+    0xb6, 0xf2, 0xce, 0xfa, 0xb2, 0x6e, 0xa6, 0xfa,
+    0xea, 0xd7, 0xf6, 0xbc, 0xda, 0xde, 0xda, 0xe6,
+    0xca, 0xd8, 0xea, 0xe0, 0xcc, 0xf2, 0xce, 0xb2,
+    0xee, 0xa2, 0xd6, 0xe6, 0xf6, 0xd7, 0xc5, 0xb8,
+    0xc6, 0xb9, 0xce, 0xde, 0xce, 0xc6, 0x0e, 0x36,
+    0xae, 0xbe, 0x86, 0xba, 0xbe, 0xe6, 0x8e, 0xc4,
+    0x1e, 0x8e, 0xae, 0xba, 0xb2, 0xa6, 0x12, 0x7a,
+    0x20, 0xc6, 0x64, 0xaa, 0x2f, 0x70, 0x85, 0x46,
+    0xce, 0xd6, 0xa6, 0x6e, 0x51, 0x72, 0x92, 0xa6,
+    0x87, 0x96, 0xa2, 0xd6, 0x85, 0x7a, 0x6a, 0x6e,
+    0x22, 0x76, 0x36, 0x76, 0x3c, 0x6e, 0x63, 0x53,
+    0x66, 0x62, 0x42, 0x50, 0x56, 0x42, 0x56, 0x56,
+    0x56, 0x3e, 0x51, 0x52, 0x56,
+};
+
+unsigned char linux_logo_blue[] __initdata = {
+    0x00, 0x06, 0x0a, 0x0e, 0x16, 0x1a, 0x1e, 0x22,
+    0x12, 0x01, 0x2a, 0x36, 0x42, 0x4e, 0x4a, 0x56,
+    0x26, 0x46, 0x2e, 0x32, 0x52, 0x3a, 0x06, 0x65,
+    0x5e, 0x3e, 0x74, 0x8a, 0xa2, 0x9a, 0x86, 0xc6,
+    0xc3, 0x59, 0xbb, 0xd2, 0xda, 0xd6, 0xe2, 0xf6,
+    0xfd, 0xae, 0x7b, 0xdd, 0xea, 0x6a, 0xaa, 0xe7,
+    0xbe, 0x5a, 0xee, 0x9e, 0x95, 0x80, 0x2e, 0x08,
+    0x0a, 0x06, 0x0a, 0x0b, 0x0b, 0x0f, 0x0c, 0x0f,
+    0x3d, 0x09, 0x73, 0x09, 0x0d, 0x0a, 0x10, 0x1e,
+    0x2d, 0x13, 0x86, 0xba, 0x19, 0x0a, 0x36, 0x3c,
+    0x26, 0x14, 0x0d, 0x06, 0x07, 0x0a, 0x0b, 0x0f,
+    0x4a, 0x06, 0x0a, 0x0c, 0x2b, 0x0a, 0x0b, 0x0a,
+    0x06, 0x0a, 0x0a, 0x11, 0x0b, 0x0a, 0x0a, 0x1e,
+    0x0f, 0x0d, 0x0a, 0x0b, 0x22, 0x6a, 0x72, 0x0b,
+    0x0b, 0x22, 0x90, 0xca, 0x90, 0x92, 0x3c, 0x2c,
+    0xb6, 0xf2, 0xce, 0xfa, 0xb2, 0x6e, 0xa6, 0xea,
+    0xb6, 0x7c, 0xda, 0x8e, 0xa6, 0x87, 0x66, 0xb6,
+    0x81, 0x6a, 0xc6, 0x9a, 0x5b, 0xd2, 0xb6, 0x6a,
+    0xca, 0x45, 0x92, 0xb2, 0xca, 0x52, 0x8a, 0x3e,
+    0x2e, 0x66, 0x66, 0xae, 0x3e, 0x47, 0x06, 0x0e,
+    0x52, 0x36, 0x6a, 0x0e, 0x0e, 0xbe, 0x2c, 0x0e,
+    0x0a, 0x5a, 0x0d, 0x0e, 0x3e, 0x0a, 0x06, 0x2e,
+    0x06, 0x9e, 0x4e, 0x36, 0x06, 0x58, 0x24, 0x06,
+    0x9e, 0xae, 0x3a, 0x08, 0x08, 0x07, 0x5e, 0x0a,
+    0x32, 0x2e, 0x2a, 0xb2, 0x43, 0x48, 0x5f, 0x2e,
+    0x06, 0x06, 0x07, 0x24, 0x06, 0x32, 0x06, 0x06,
+    0x46, 0x2e, 0x22, 0x06, 0x06, 0x1e, 0x4c, 0x06,
+    0x3a, 0x22, 0x42, 0x34, 0x42,
+};
+
+unsigned char linux_logo[] __initdata = {
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x21, 0x21, 0x22, 0x22,
+    0x22, 0x21, 0x21, 0x21, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
+    0x26, 0x26, 0x25, 0x28, 0x23, 0x22, 0x21, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x29, 0x29, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x21, 0x23, 0x25, 0x2a, 0x2b, 0x2c, 0x2d, 0x2d,
+    0x2d, 0x2e, 0x2c, 0x2b, 0x2a, 0x25, 0x28, 0x22,
+    0x21, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x29, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x22,
+    0x24, 0x2a, 0x2c, 0x2f, 0x2c, 0x30, 0x30, 0x24,
+    0x25, 0x27, 0x2b, 0x2c, 0x2f, 0x31, 0x32, 0x25,
+    0x23, 0x21, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x29, 0x29, 0x29, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x22, 0x25,
+    0x33, 0x34, 0x35, 0x21, 0x36, 0x36, 0x36, 0x36,
+    0x36, 0x36, 0x36, 0x36, 0x21, 0x2b, 0x2f, 0x2c,
+    0x30, 0x28, 0x21, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x21, 0x24, 0x33,
+    0x2d, 0x27, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
+    0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x21, 0x31,
+    0x2d, 0x32, 0x24, 0x21, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x29, 0x29, 0x29, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x21, 0x28, 0x2a, 0x34,
+    0x25, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
+    0x36, 0x36, 0x36, 0x23, 0x32, 0x27, 0x21, 0x36,
+    0x2a, 0x2d, 0x2a, 0x28, 0x21, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x29, 0x20, 0x29, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x22, 0x26, 0x2c, 0x35,
+    0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
+    0x36, 0x36, 0x36, 0x25, 0x2f, 0x37, 0x32, 0x22,
+    0x36, 0x35, 0x31, 0x27, 0x22, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x29, 0x29, 0x29, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x23, 0x2a, 0x2f, 0x22,
+    0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
+    0x36, 0x36, 0x36, 0x26, 0x38, 0x38, 0x35, 0x25,
+    0x36, 0x21, 0x2d, 0x2b, 0x24, 0x21, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x21, 0x24, 0x39, 0x39, 0x36,
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+    0x33, 0x39, 0x2e, 0x51, 0x41, 0xd2, 0x6c, 0xf3,
+    0x80, 0xee, 0xee, 0xee, 0xf4, 0xf3, 0xd7, 0xf5,
+    0x41, 0x34, 0x35, 0x32, 0x30, 0x27, 0x27, 0x27,
+    0x27, 0x27, 0x27, 0x27, 0x27, 0x27, 0x30, 0x2a,
+    0x2b, 0x34, 0xf6, 0xec, 0xf7, 0x8f, 0xdd, 0xe9,
+    0xe9, 0xdd, 0xee, 0x6c, 0x41, 0x39, 0x27, 0x28,
+    0x21, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x21, 0x21, 0x22,
+    0x28, 0x24, 0x26, 0x2a, 0x33, 0x2c, 0x2f, 0x41,
+    0xf8, 0xd7, 0x79, 0x79, 0x79, 0xec, 0xf9, 0x51,
+    0x39, 0x30, 0x24, 0x23, 0x22, 0x22, 0x22, 0x22,
+    0x22, 0x22, 0x21, 0x22, 0x22, 0x22, 0x22, 0x23,
+    0x24, 0x2a, 0x31, 0xfa, 0xea, 0x79, 0xf3, 0x80,
+    0xf7, 0xdc, 0xfb, 0x2f, 0x35, 0x26, 0x23, 0x21,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x21, 0x22, 0x23, 0x28, 0x25, 0x30, 0x2b,
+    0x31, 0x2f, 0xf6, 0xfa, 0xfa, 0x2f, 0x2e, 0x33,
+    0x26, 0x23, 0x21, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x21, 0x28, 0x27, 0x35, 0x34, 0xfa, 0xfa, 0xfa,
+    0xfc, 0xf6, 0x2e, 0x33, 0x25, 0x23, 0x21, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x21, 0x21, 0x23, 0x28,
+    0x26, 0x30, 0x32, 0x2b, 0x33, 0x2a, 0x26, 0x28,
+    0x22, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x21, 0x23, 0x25, 0x30, 0x33, 0x35, 0x35,
+    0x2b, 0x2a, 0x26, 0x28, 0x22, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x21,
+    0x21, 0x22, 0x23, 0x28, 0x28, 0x23, 0x22, 0x21,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x21, 0x23, 0x28, 0x24, 0x24,
+    0x28, 0x23, 0x22, 0x21, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+};
+
+unsigned char linux_logo16[1];
+
+#endif /* INCLUDE_LINUX_LOGO_DATA */
+
+#include <linux/linux_logo.h>
+
--- linux/include/asm-nios2nommu/local.h
+++ linux/include/asm-nios2nommu/local.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2004, Microtronix Datacom Ltd.
+ *
+ * All rights reserved.          
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef __NIOS2NOMMU_LOCAL_H
+#define __NIOS2NOMMU_LOCAL_H
+
+#include <asm-generic/local.h>
+
+#endif /* __NIOS2NOMMU_LOCAL_H */
--- linux/include/asm-nios2nommu/mc146818rtc.h
+++ linux/include/asm-nios2nommu/mc146818rtc.h
@@ -0,0 +1,29 @@
+/*
+ * Machine dependent access functions for RTC registers.
+ *
+ * Copyright (C) 2004, Microtronix Datacom Ltd.
+ *
+ * All rights reserved.          
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+#ifndef _NIOS2_MC146818RTC_H
+#define _NIOS2_MC146818RTC_H
+
+/* empty include file to satisfy the include in genrtc.c/ide-geometry.c */
+
+#endif /* _NIOS2_MC146818RTC_H */
--- linux/include/asm-nios2nommu/mman.h
+++ linux/include/asm-nios2nommu/mman.h
@@ -0,0 +1,68 @@
+/*
+ * Copied from the m68k port.
+ *
+ * Copyright (C) 2004, Microtronix Datacom Ltd.
+ *
+ * All rights reserved.          
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef __NIOS2_MMAN_H__
+#define __NIOS2_MMAN_H__
+
+#define PROT_READ	0x1		/* page can be read */
+#define PROT_WRITE	0x2		/* page can be written */
+#define PROT_EXEC	0x4		/* page can be executed */
+#define PROT_SEM	0x8		/* page may be used for atomic ops */
+#define PROT_NONE	0x0		/* page can not be accessed */
+#define PROT_GROWSDOWN	0x01000000	/* mprotect flag: extend change to start of growsdown vma */
+#define PROT_GROWSUP	0x02000000	/* mprotect flag: extend change to end of growsup vma */
+
+#define MAP_SHARED	0x01		/* Share changes */
+#define MAP_PRIVATE	0x02		/* Changes are private */
+#define MAP_TYPE	0x0f		/* Mask for type of mapping */
+#define MAP_FIXED	0x10		/* Interpret addr exactly */
+#define MAP_ANONYMOUS	0x20		/* don't use a file */
+
+#define MAP_GROWSDOWN	0x0100		/* stack-like segment */
+#define MAP_DENYWRITE	0x0800		/* ETXTBSY */
+#define MAP_EXECUTABLE	0x1000		/* mark it as an executable */
+#define MAP_LOCKED	0x2000		/* pages are locked */
+#define MAP_NORESERVE	0x4000		/* don't check for reservations */
+#define MAP_POPULATE	0x8000		/* populate (prefault) pagetables */
+#define MAP_NONBLOCK	0x10000		/* do not block on IO */
+
+#define MS_ASYNC	1		/* sync memory asynchronously */
+#define MS_INVALIDATE	2		/* invalidate the caches */
+#define MS_SYNC		4		/* synchronous memory sync */
+
+#define MCL_CURRENT	1		/* lock all current mappings */
+#define MCL_FUTURE	2		/* lock all future mappings */
+
+#define MADV_NORMAL	0x0		/* default page-in behavior */
+#define MADV_RANDOM	0x1		/* page-in minimum required */
+#define MADV_SEQUENTIAL	0x2		/* read-ahead aggressively */
+#define MADV_WILLNEED	0x3		/* pre-fault pages */
+#define MADV_DONTNEED	0x4		/* discard these pages */
+
+/* compatibility flags */
+#define MAP_ANON	MAP_ANONYMOUS
+#define MAP_FILE	0
+
+#endif /* __NIOS2_MMAN_H__ */
+
--- linux/include/asm-nios2nommu/mmu_context.h
+++ linux/include/asm-nios2nommu/mmu_context.h
@@ -0,0 +1,58 @@
+/*
+ *
+ * Taken from the m68knommu.
+ *
+ * Copyright (C) 2004, Microtronix Datacom Ltd.
+ *
+ * All rights reserved.          
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef __NIOS2NOMMU_MMU_CONTEXT_H
+#define __NIOS2NOMMU_MMU_CONTEXT_H
+
+#include <linux/config.h>
+#include <asm/setup.h>
+#include <asm/page.h>
+#include <asm/pgalloc.h>
+
+static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
+{
+}
+
+extern inline int
+init_new_context(struct task_struct *tsk, struct mm_struct *mm)
+{
+	// mm->context = virt_to_phys(mm->pgd);
+	return(0);
+}
+
+#define destroy_context(mm)		do { } while(0)
+
+static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, struct task_struct *tsk)
+{
+}
+
+#define deactivate_mm(tsk,mm)	do { } while (0)
+
+extern inline void activate_mm(struct mm_struct *prev_mm,
+			       struct mm_struct *next_mm)
+{
+}
+
+#endif
--- linux/include/asm-nios2nommu/mmu.h
+++ linux/include/asm-nios2nommu/mmu.h
@@ -0,0 +1,36 @@
+/*
+ *
+ * Taken from the m68knommu.
+ * 
+ * Copyright (C) 2004, Microtronix Datacom Ltd.
+ *
+ * All rights reserved.          
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef __NIOS2NOMMU_MMU_H
+#define __NIOS2NOMMU_MMU_H
+
+/* Copyright (C) 2002, David McCullough <davidm@snapgear.com> */
+
+typedef struct {
+	struct vm_list_struct	*vmlist;
+	unsigned long		end_brk;
+} mm_context_t;
+
+#endif /* __NIOS2NOMMU_MMU_H */
--- linux/include/asm-nios2nommu/module.h
+++ linux/include/asm-nios2nommu/module.h
@@ -0,0 +1,36 @@
+#ifndef _NIOS2_MODULE_H
+#define _NIOS2_MODULE_H
+
+/*--------------------------------------------------------------------
+ *
+ * include/asm-nios2nommu/module.h
+ *
+ * Derived from various works, Alpha, ix86, M68K, Sparc, ...et al
+ *
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * Jan/20/2004		dgt	    NiosII
+ *
+ ---------------------------------------------------------------------*/
+
+
+struct mod_arch_specific
+{
+};
+
+#define Elf_Shdr Elf32_Shdr
+#define Elf_Sym Elf32_Sym
+#define Elf_Ehdr Elf32_Ehdr
+
+#endif /* _NIOS_MODULE_H */
--- linux/include/asm-nios2nommu/msgbuf.h
+++ linux/include/asm-nios2nommu/msgbuf.h
@@ -0,0 +1,56 @@
+/*
+ * Taken from the m68k.
+ *
+ * Copyright (C) 2004, Microtronix Datacom Ltd.
+ *
+ * All rights reserved.          
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef _NIOS2_MSGBUF_H
+#define _NIOS2_MSGBUF_H
+
+/* 
+ * The msqid64_ds structure for nios2 architecture.
+ * Note extra padding because this structure is passed back and forth
+ * between kernel and user space.
+ *
+ * Pad space is left for:
+ * - 64-bit time_t to solve y2038 problem
+ * - 2 miscellaneous 32-bit values
+ */
+
+struct msqid64_ds {
+	struct ipc64_perm msg_perm;
+	__kernel_time_t msg_stime;	/* last msgsnd time */
+	unsigned long	__unused1;
+	__kernel_time_t msg_rtime;	/* last msgrcv time */
+	unsigned long	__unused2;
+	__kernel_time_t msg_ctime;	/* last change time */
+	unsigned long	__unused3;
+	unsigned long  msg_cbytes;	/* current number of bytes on queue */
+	unsigned long  msg_qnum;	/* number of messages in queue */
+	unsigned long  msg_qbytes;	/* max number of bytes on queue */
+	__kernel_pid_t msg_lspid;	/* pid of last msgsnd */
+	__kernel_pid_t msg_lrpid;	/* last receive pid */
+	unsigned long  __unused4;
+	unsigned long  __unused5;
+};
+
+#endif /* _NIOS2_MSGBUF_H */
+
--- linux/include/asm-nios2nommu/namei.h
+++ linux/include/asm-nios2nommu/namei.h
@@ -0,0 +1,36 @@
+/*
+ * linux/include/asm-nios/namei.h
+ * Moved from m68k version
+ * Included from linux/fs/namei.c
+ *
+ * Copyright (C) 2004, Microtronix Datacom Ltd.
+ * All rights reserved.          
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef __NIOS2_NAMEI_H
+#define __NIOS2_NAMEI_H
+
+/* This dummy routine maybe changed to something useful
+ * for /usr/gnemul/ emulation stuff.
+ * Look at asm-sparc/namei.h for details.
+ */
+
+#define __emul_prefix() NULL
+
+#endif
--- linux/include/asm-nios2nommu/ndma.h
+++ linux/include/asm-nios2nommu/ndma.h
@@ -0,0 +1,64 @@
+#ifndef __NDMA_H__
+  #define __NDMA_H__
+
+    #ifndef __ASSEMBLY__
+
+// DMA Registers
+typedef volatile struct
+{
+  int np_dmastatus;        // status register
+  int np_dmareadaddress;   // read address
+  int np_dmawriteaddress;  // write address
+  int np_dmalength;        // length in bytes
+  int np_dmareserved1;     // reserved
+  int np_dmareserved2;     // reserved
+  int np_dmacontrol;       // control register
+  int np_dmareserved3;     // control register alternate
+} np_dma;
+
+// DMA Register Bits
+enum
+{
+  np_dmacontrol_byte_bit  = 0, // Byte transaction
+  np_dmacontrol_hw_bit    = 1, // Half-word transaction
+  np_dmacontrol_word_bit  = 2, // Word transaction
+  np_dmacontrol_go_bit    = 3, // enable execution
+  np_dmacontrol_i_en_bit  = 4, // enable interrupt
+  np_dmacontrol_reen_bit  = 5, // Enable read end-of-packet
+  np_dmacontrol_ween_bit  = 6, // Enable write end-of-packet
+  np_dmacontrol_leen_bit  = 7, // Enable length=0 transaction end
+  np_dmacontrol_rcon_bit  = 8, // Read from a fixed address
+  np_dmacontrol_wcon_bit  = 9, // Write to a fixed address
+  np_dmacontrol_doubleword_bit = 10, // Double-word transaction
+  np_dmacontrol_quadword_bit = 11, // Quad-word transaction
+ 
+  np_dmastatus_done_bit   = 0, // 1 when done.  Status write clears.
+  np_dmastatus_busy_bit   = 1, // 1 when busy.
+  np_dmastatus_reop_bit   = 2, // read-eop received
+  np_dmastatus_weop_bit   = 3, // write-eop received
+  np_dmastatus_len_bit    = 4, // requested length transacted
+ 
+  np_dmacontrol_byte_mask = (1 << 0), // Byte transaction
+  np_dmacontrol_hw_mask   = (1 << 1), // Half-word transaction
+  np_dmacontrol_word_mask = (1 << 2), // Word transaction
+  np_dmacontrol_go_mask   = (1 << 3), // enable execution
+  np_dmacontrol_i_en_mask = (1 << 4), // enable interrupt
+  np_dmacontrol_reen_mask = (1 << 5), // Enable read end-of-packet
+  np_dmacontrol_ween_mask = (1 << 6), // Enable write end-of-packet
+  np_dmacontrol_leen_mask = (1 << 7), // Enable length=0 transaction end
+  np_dmacontrol_rcon_mask = (1 << 8), // Read from a fixed address
+  np_dmacontrol_wcon_mask = (1 << 9), // Write to a fixed address
+  np_dmacontrol_doubleword_mask = (1 << 10), // Double-word transaction
+  np_dmacontrol_quadword_mask = (1 << 11), // Quad-word transaction
+ 
+  np_dmastatus_done_mask  = (1 << 0), // 1 when done.  Status write clears.
+  np_dmastatus_busy_mask  = (1 << 1), // 1 when busy.
+  np_dmastatus_reop_mask  = (1 << 2), // read-eop received
+  np_dmastatus_weop_mask  = (1 << 3), // write-eop received
+  np_dmastatus_len_mask   = (1 << 4), // requested length transacted
+};
+
+    #endif /* __ASSEMBLY__ */
+
+#endif
+/* End of File */
--- linux/include/asm-nios2nommu/nios.h
+++ linux/include/asm-nios2nommu/nios.h
@@ -0,0 +1,7 @@
+#ifndef __NIOS_H__
+#define __NIOS_H__
+
+#include "nios2_system.h"
+
+#endif
+
--- linux/include/asm-nios2nommu/page.h
+++ linux/include/asm-nios2nommu/page.h
@@ -0,0 +1,135 @@
+/*
+ * Copyright (C) 2004, Microtronix Datacom Ltd.
+ *
+ * All rights reserved.          
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef _NIOS2_PAGE_H
+#define _NIOS2_PAGE_H
+
+/* copied from m68knommu arch */
+// #include <linux/config.h>
+
+/* PAGE_SHIFT determines the page size */
+
+#define PAGE_SHIFT	(12)
+#define PAGE_SIZE	(1UL << PAGE_SHIFT)
+#define PAGE_MASK	(~(PAGE_SIZE-1))
+
+#ifdef __KERNEL__
+
+#include <asm/setup.h>
+
+#if PAGE_SHIFT < 13
+#define THREAD_SIZE (8192)
+#else
+#define THREAD_SIZE PAGE_SIZE
+#endif
+ 
+#ifndef __ASSEMBLY__
+ 
+#define get_user_page(vaddr)		__get_free_page(GFP_KERNEL)
+#define free_user_page(page, addr)	free_page(addr)
+
+#define clear_page(page)	memset((page), 0, PAGE_SIZE)
+#define copy_page(to,from)	memcpy((to), (from), PAGE_SIZE)
+
+#define clear_user_page(page, vaddr, pg)	clear_page(page)
+#define copy_user_page(to, from, vaddr, pg)	copy_page(to, from)
+
+/*
+ * These are used to make use of C type-checking..
+ */
+typedef struct { unsigned long pte; } pte_t;
+typedef struct { unsigned long pmd[16]; } pmd_t;
+typedef struct { unsigned long pgd; } pgd_t;
+typedef struct { unsigned long pgprot; } pgprot_t;
+
+#define pte_val(x)	((x).pte)
+#define pmd_val(x)	((&x)->pmd[0])
+#define pgd_val(x)	((x).pgd)
+#define pgprot_val(x)	((x).pgprot)
+
+#define __pte(x)	((pte_t) { (x) } )
+#define __pmd(x)	((pmd_t) { (x) } )
+#define __pgd(x)	((pgd_t) { (x) } )
+#define __pgprot(x)	((pgprot_t) { (x) } )
+
+/* to align the pointer to the (next) page boundary */
+#define PAGE_ALIGN(addr)	(((addr)+PAGE_SIZE-1)&PAGE_MASK)
+
+/* Pure 2^n version of get_order */
+extern __inline__ int get_order(unsigned long size)
+{
+	int order;
+
+	size = (size-1) >> (PAGE_SHIFT-1);
+	order = -1;
+	do {
+		size >>= 1;
+		order++;
+	} while (size);
+	return order;
+}
+
+extern unsigned long memory_start;
+extern unsigned long memory_end;
+
+#endif /* !__ASSEMBLY__ */
+#include <asm/nios.h>
+#define PAGE_OFFSET		((int)(nasys_program_mem))
+
+#ifndef __ASSEMBLY__
+
+#define __pa(vaddr)		virt_to_phys((void *)vaddr)
+#define __va(paddr)		phys_to_virt((unsigned long)paddr)
+
+#define MAP_NR(addr)		(((unsigned long)(addr)-PAGE_OFFSET) >> PAGE_SHIFT)
+
+#define virt_to_pfn(kaddr)	(__pa(kaddr) >> PAGE_SHIFT)
+#define pfn_to_virt(pfn)	__va((pfn) << PAGE_SHIFT)
+
+#define virt_to_page(addr)	(mem_map + (((unsigned long)(addr)-PAGE_OFFSET) >> PAGE_SHIFT))
+#define page_to_virt(page)	((((page) - mem_map) << PAGE_SHIFT) + PAGE_OFFSET)
+#define VALID_PAGE(page)	((page - mem_map) < max_mapnr)
+
+#define pfn_to_page(pfn)	virt_to_page(pfn_to_virt(pfn))
+#define page_to_pfn(page)	virt_to_pfn(page_to_virt(page))
+
+#define	virt_addr_valid(kaddr)	(((void *)(kaddr) >= (void *)PAGE_OFFSET) && \
+				((void *)(kaddr) < (void *)memory_end))
+
+#ifdef CONFIG_NO_KERNEL_MSG
+#define	BUG_PRINT()
+#else
+#define	BUG_PRINT() printk("kernel BUG at %s:%d!\n", __FILE__, __LINE__)
+#endif
+
+#ifdef na_cpu_oci_core
+#define BUG_PANIC()	asm volatile ("break") /* drop to debugger */
+#else
+// #define BUG_PANIC()	while(1)
+#define BUG_PANIC()	panic("BUG!")
+#endif
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* __KERNEL__ */
+
+#endif /* _NIOS2_PAGE_H */
--- linux/include/asm-nios2nommu/param.h
+++ linux/include/asm-nios2nommu/param.h
@@ -0,0 +1,49 @@
+#ifndef _NIOS_PARAM_H
+#define _NIOS_PARAM_H
+
+/*--------------------------------------------------------------------
+ *
+ * include/asm-nios2nommu/param.h
+ *
+ * Derived from various works, Alpha, ix86, M68K, Sparc, ...et al
+ *
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * Jan/20/2004		dgt	    NiosII
+ *
+ ---------------------------------------------------------------------*/
+
+
+#ifndef HZ
+#define HZ 100
+#endif
+
+#ifdef __KERNEL__
+#define	USER_HZ		HZ
+#define	CLOCKS_PER_SEC	(USER_HZ)
+#endif
+
+#define EXEC_PAGESIZE	4096
+
+#ifndef NGROUPS
+#define NGROUPS		32
+#endif
+
+#ifndef NOGROUP
+#define NOGROUP		(-1)
+#endif
+
+#define MAXHOSTNAMELEN	64	/* max length of hostname */
+
+#endif
--- linux/include/asm-nios2nommu/pci.h
+++ linux/include/asm-nios2nommu/pci.h
@@ -0,0 +1,75 @@
+#ifndef _ASM_NIOS2NOMMU_PCI_H
+#define _ASM_NIOS2NOMMU_PCI_H
+
+/*--------------------------------------------------------------------
+ *
+ * include/asm-nios2nommu/pci.h
+ *
+ * Derived from asm-m68k/pci_m68k.h
+ *              - m68k specific PCI declarations, by Wout Klaren.
+ *
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * Jan/20/2004		dgt	    NiosII
+ *
+ ---------------------------------------------------------------------*/
+
+
+#include <asm/scatterlist.h>
+
+struct pci_ops;
+
+/*
+ * Structure with hardware dependent information and functions of the
+ * PCI bus.
+ */
+
+struct pci_bus_info
+{
+	/*
+	 * Resources of the PCI bus.
+	 */
+
+	struct resource mem_space;
+	struct resource io_space;
+
+	/*
+	 * System dependent functions.
+	 */
+
+	struct pci_ops *m68k_pci_ops;
+
+	void (*fixup)(int pci_modify);
+	void (*conf_device)(struct pci_dev *dev);
+};
+
+#define pcibios_assign_all_busses()	0
+
+extern inline void pcibios_set_master(struct pci_dev *dev)
+{
+	/* No special bus mastering setup handling */
+}
+
+extern inline void pcibios_penalize_isa_irq(int irq)
+{
+	/* We don't do dynamic PCI IRQ allocation */
+}
+
+/* The PCI address space does equal the physical memory
+ * address space.  The networking and block device layers use
+ * this boolean for bounce buffer decisions.
+ */
+#define PCI_DMA_BUS_IS_PHYS	(1)
+
+#endif /* _ASM_NIOS2NOMMU_PCI_H */
--- linux/include/asm-nios2nommu/percpu.h
+++ linux/include/asm-nios2nommu/percpu.h
@@ -0,0 +1,30 @@
+#ifndef __ARCH_NIOS2NOMMU_PERCPU__
+#define __ARCH_NIOS2NOMMU_PERCPU__
+
+/*--------------------------------------------------------------------
+ *
+ * include/asm-nios2nommu/percpu.h
+ *
+ * Derived from various works, Alpha, ix86, M68K, Sparc, ...et al
+ *
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * Jan/20/2004		dgt	    NiosII
+ *
+ ---------------------------------------------------------------------*/
+
+
+#include <asm-generic/percpu.h>
+
+#endif /* __ARCH_NIOS2NOMMU_PERCPU__ */
--- linux/include/asm-nios2nommu/pgalloc.h
+++ linux/include/asm-nios2nommu/pgalloc.h
@@ -0,0 +1,32 @@
+#ifndef _NIOS2NOMMU_PGALLOC_H
+#define _NIOS2NOMMU_PGALLOC_H
+
+/*--------------------------------------------------------------------
+ *
+ * include/asm-nios2nommu/pgalloc.h
+ *
+ * Derived from various works, Alpha, ix86, M68K, Sparc, ...et al
+ *
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * Jan/20/2004		dgt	    NiosII
+ *
+ ---------------------------------------------------------------------*/
+
+
+#include <asm/setup.h>
+
+#define check_pgt_cache()	do { } while (0)
+
+#endif /* _NIOS2NOMMU_PGALLOC_H */
--- linux/include/asm-nios2nommu/pgtable.h
+++ linux/include/asm-nios2nommu/pgtable.h
@@ -0,0 +1,104 @@
+#ifndef _NIOS_PGTABLE_H
+#define _NIOS_PGTABLE_H
+
+/*--------------------------------------------------------------------
+ *
+ * include/asm-nios2nommu/pgtable.h
+ *
+ * Derived from various works, Alpha, ix86, M68K, Sparc, ...et al
+ *
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * Jan/20/2004		dgt	    NiosII
+ *
+ ---------------------------------------------------------------------*/
+
+#include <asm-generic/4level-fixup.h>
+
+//vic - this bit copied from m68knommu version
+// #include <linux/config.h>
+#include <asm/setup.h>
+#include <asm/io.h>
+
+typedef pte_t *pte_addr_t;
+
+#define pgd_present(pgd)     	(1)       /* pages are always present on NO_MM */
+#define pgd_none(pgd)		(0)
+#define pgd_bad(pgd)		(0)
+#define pgd_clear(pgdp)
+#define kern_addr_valid(addr) 	(1)
+#define	pmd_offset(a, b)	((void *)0)
+
+#define PAGE_NONE		__pgprot(0)    /* these mean nothing to NO_MM */
+#define PAGE_SHARED		__pgprot(0)    /* these mean nothing to NO_MM */
+#define PAGE_COPY		__pgprot(0)    /* these mean nothing to NO_MM */
+#define PAGE_READONLY		__pgprot(0)    /* these mean nothing to NO_MM */
+#define PAGE_KERNEL		__pgprot(0)    /* these mean nothing to NO_MM */
+//vic - this bit copied from m68knommu version
+
+extern void paging_init(void);
+#define swapper_pg_dir ((pgd_t *) 0)
+
+#define __swp_type(x)		(0)
+#define __swp_offset(x)		(0)
+#define __swp_entry(typ,off)	((swp_entry_t) { ((typ) | ((off) << 7)) })
+#define __pte_to_swp_entry(pte)	((swp_entry_t) { pte_val(pte) })
+#define __swp_entry_to_pte(x)	((pte_t) { (x).val })
+
+static inline int pte_file(pte_t pte) { return 0; }
+
+/*
+ * ZERO_PAGE is a global shared page that is always zero: used
+ * for zero-mapped memory areas etc..
+ */
+#define ZERO_PAGE(vaddr)	(virt_to_page(0))
+
+extern unsigned int kobjsize(const void *objp);
+extern int is_in_rom(unsigned long);
+
+/*
+ * No page table caches to initialise
+ */
+#define pgtable_cache_init()   do { } while (0)
+#define io_remap_page_range(vma, vaddr, paddr, size, prot) \
+	remap_pfn_range(vma, vaddr, (paddr) >> PAGE_SHIFT, size, prot)
+
+extern inline void flush_cache_mm(struct mm_struct *mm)
+{
+}
+
+extern inline void flush_cache_range(struct mm_struct *mm,
+				     unsigned long start,
+				     unsigned long end)
+{
+}
+
+/* Push the page at kernel virtual address and clear the icache */
+extern inline void flush_page_to_ram (unsigned long address)
+{
+}
+
+/* Push n pages at kernel virtual address and clear the icache */
+extern inline void flush_pages_to_ram (unsigned long address, int n)
+{
+}
+
+/*
+ * All 32bit addresses are effectively valid for vmalloc...
+ * Sort of meaningless for non-VM targets.
+ */
+#define	VMALLOC_START	0
+#define	VMALLOC_END	0xffffffff
+
+#endif /* _NIOS_PGTABLE_H */
--- linux/include/asm-nios2nommu/pio_struct.h
+++ linux/include/asm-nios2nommu/pio_struct.h
@@ -0,0 +1,14 @@
+// PIO Peripheral
+
+// PIO Registers
+typedef volatile struct
+	{
+	int np_piodata;          // read/write, up to 32 bits
+	int np_piodirection;     // write/readable, up to 32 bits, 1->output bit
+	int np_piointerruptmask; // write/readable, up to 32 bits, 1->enable interrupt
+	int np_pioedgecapture;   // read, up to 32 bits, cleared by any write
+	} np_pio;
+
+// PIO Routines
+void nr_pio_showhex(int value); // shows low byte on pio named na_seven_seg_pio
+
--- linux/include/asm-nios2nommu/poll.h
+++ linux/include/asm-nios2nommu/poll.h
@@ -0,0 +1,46 @@
+#ifndef __NIOS2_POLL_H
+#define __NIOS2_POLL_H
+
+/*--------------------------------------------------------------------
+ *
+ * include/asm-nios2nommu/poll.h
+ *
+ * Derived from various works, Alpha, ix86, M68K, Sparc, ...et al
+ *
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * Jan/20/2004		dgt	    NiosII
+ *
+ ---------------------------------------------------------------------*/
+
+
+#define POLLIN		  1
+#define POLLPRI		  2
+#define POLLOUT		  4
+#define POLLERR		  8
+#define POLLHUP		 16
+#define POLLNVAL	 32
+#define POLLRDNORM	 64
+#define POLLWRNORM	POLLOUT
+#define POLLRDBAND	128
+#define POLLWRBAND	256
+#define POLLMSG		0x0400
+
+struct pollfd {
+	int fd;
+	short events;
+	short revents;
+};
+
+#endif
--- linux/include/asm-nios2nommu/posix_types.h
+++ linux/include/asm-nios2nommu/posix_types.h
@@ -0,0 +1,89 @@
+#ifndef __ARCH_NIOS2_POSIX_TYPES_H
+#define __ARCH_NIOS2_POSIX_TYPES_H
+
+/*--------------------------------------------------------------------
+ *
+ * include/asm-nios2nommu/posix_types.h
+ *
+ * Derived from various works, Alpha, ix86, M68K, Sparc, ...et al
+ *
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * Jan/20/2004		dgt	    NiosII
+ *
+ ---------------------------------------------------------------------*/
+
+
+/*
+ * This file is generally used by user-level software, so you need to
+ * be a little careful about namespace pollution etc.  Also, we cannot
+ * assume GCC is being used.
+ */
+
+typedef unsigned long	__kernel_ino_t;
+typedef unsigned short	__kernel_mode_t;
+typedef unsigned short	__kernel_nlink_t;
+typedef long		__kernel_off_t;
+typedef int		__kernel_pid_t;
+typedef unsigned short	__kernel_ipc_pid_t;
+typedef unsigned short	__kernel_uid_t;
+typedef unsigned short	__kernel_gid_t;
+typedef unsigned int	__kernel_size_t;
+typedef int		__kernel_ssize_t;
+typedef int		__kernel_ptrdiff_t;
+typedef long		__kernel_time_t;
+typedef long		__kernel_suseconds_t;
+typedef long		__kernel_clock_t;
+typedef int		__kernel_timer_t;
+typedef int		__kernel_clockid_t;
+typedef int		__kernel_daddr_t;
+typedef char *		__kernel_caddr_t;
+typedef unsigned short	__kernel_uid16_t;
+typedef unsigned short	__kernel_gid16_t;
+typedef unsigned int	__kernel_uid32_t;
+typedef unsigned int	__kernel_gid32_t;
+
+typedef unsigned short	__kernel_old_uid_t;
+typedef unsigned short	__kernel_old_gid_t;
+typedef unsigned short	__kernel_old_dev_t;
+
+#ifdef __GNUC__
+typedef long long	__kernel_loff_t;
+#endif
+
+typedef struct {
+#if defined(__KERNEL__) || defined(__USE_ALL)
+	int	val[2];
+#else /* !defined(__KERNEL__) && !defined(__USE_ALL) */
+	int	__val[2];
+#endif /* !defined(__KERNEL__) && !defined(__USE_ALL) */
+} __kernel_fsid_t;
+
+#if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2)
+
+#undef	__FD_SET
+#define	__FD_SET(d, set)	((set)->fds_bits[__FDELT(d)] |= __FDMASK(d))
+
+#undef	__FD_CLR
+#define	__FD_CLR(d, set)	((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d))
+
+#undef	__FD_ISSET
+#define	__FD_ISSET(d, set)	((set)->fds_bits[__FDELT(d)] & __FDMASK(d))
+
+#undef	__FD_ZERO
+#define __FD_ZERO(fdsetp) (memset (fdsetp, 0, sizeof(*(fd_set *)fdsetp)))
+
+#endif /* defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) */
+
+#endif
--- linux/include/asm-nios2nommu/preem_latency.h
+++ linux/include/asm-nios2nommu/preem_latency.h
@@ -0,0 +1,39 @@
+#ifndef _ASM_PREEM_LATENCY_H
+#define _ASM_PREEM_LATENCY_H
+
+/*--------------------------------------------------------------------
+ *
+ * include/asm-nios2nommu/preem_latency.h
+ *
+ * timing support for preempt-stats patch
+ *
+ * Derived from various works, Alpha, ix86, M68K, Sparc, ...et al
+ *
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * Jan/20/2004		dgt	    NiosII
+ *
+ ---------------------------------------------------------------------*/
+
+
+#include <asm/nios.h>
+
+#define readclock(low) \
+do {\
+	*(volatile unsigned long *)na_Counter_64_bit=1;	\
+	low=*(volatile unsigned long *)na_Counter_64_bit; \
+} while (0)
+#define readclock_init()
+
+#endif /* _ASM_PREEM_LATENCY_H */
--- linux/include/asm-nios2nommu/processor.h
+++ linux/include/asm-nios2nommu/processor.h
@@ -0,0 +1,148 @@
+/*--------------------------------------------------------------------
+ *
+ * include/asm-nios2nommu/processor.h
+ *
+ * Copyright (C) 1994 David S. Miller (davem@caip.rutgers.edu)
+ * Copyright (C) 2001  Ken Hill (khill@microtronix.com)    
+ *                     Vic Phillips (vic@microtronix.com)
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * hacked from:
+ *      include/asm-sparc/processor.h
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * Jan/20/2004		dgt	    NiosII
+ * Nov/02/2003      dgt     Fix task_size
+ *
+ ---------------------------------------------------------------------*/
+
+#ifndef __ASM_NIOS_PROCESSOR_H
+#define __ASM_NIOS_PROCESSOR_H
+
+#define NIOS2_FLAG_KTHREAD	0x00000001	/* task is a kernel thread */
+#define NIOS2_FLAG_COPROC	0x00000002	/* Thread used coprocess */
+#define NIOS2_FLAG_DEBUG	0x00000004	/* task is being debugged */
+
+#define NIOS2_OP_NOP 0x1883a
+#define NIOS2_OP_BREAK	0x3da03a
+
+#ifndef __ASSEMBLY__
+
+/*
+ * Default implementation of macro that returns current
+ * instruction pointer ("program counter").
+ */
+#define current_text_addr() ({ __label__ _l; _l: &&_l;})
+
+#include <linux/a.out.h>
+#include <linux/string.h>
+
+#include <asm/ptrace.h>
+#include <asm/signal.h>
+#include <asm/segment.h>
+#include <asm/current.h>
+#include <asm/system.h> /* for get_hi_limit */
+
+/*
+ * Bus types
+ */
+#define EISA_bus 0
+#define EISA_bus__is_a_macro /* for versions in ksyms.c */
+#define MCA_bus 0
+#define MCA_bus__is_a_macro /* for versions in ksyms.c */
+
+/*
+ * The nios has no problems with write protection
+ */
+#define wp_works_ok 1
+#define wp_works_ok__is_a_macro /* for versions in ksyms.c */
+
+/* Whee, this is STACK_TOP and the lowest kernel address too... */
+#if 0
+#define KERNBASE        0x00000000  /* First address the kernel will eventually be */
+#define TASK_SIZE	(KERNBASE)
+#define MAX_USER_ADDR	TASK_SIZE
+#define MMAP_SEARCH_START (TASK_SIZE/3)
+#endif
+
+#define TASK_SIZE	((unsigned int) nasys_program_mem_end)   //...this is better...
+
+/*
+ * This decides where the kernel will search for a free chunk of vm
+ * space during mmap's. We won't be using it
+ */
+#define TASK_UNMAPPED_BASE	0
+
+/* The Nios processor specific thread struct. */
+struct thread_struct {
+	struct pt_regs *kregs;
+
+	/* For signal handling */
+	unsigned long sig_address;
+	unsigned long sig_desc;
+
+	/* Context switch saved kernel state. */
+	unsigned long ksp;
+	unsigned long kpsr;
+	unsigned long kesr;
+
+	/* Flags are defined below */
+
+	unsigned long flags;
+	int current_ds;
+	struct exec core_exec;     /* just what it says. */
+};
+
+#define INIT_MMAP { &init_mm, (0), (0), \
+		    __pgprot(0x0) , VM_READ | VM_WRITE | VM_EXEC }
+
+#define INIT_THREAD  { \
+	.kregs		= 0,			\
+	.sig_address	= 0,			\
+	.sig_desc	= 0,			\
+	.ksp		= 0,			\
+	.kpsr		= 0,			\
+	.kesr		= PS_S,			\
+	.flags		= NIOS2_FLAG_KTHREAD,	\
+	.current_ds	= __KERNEL_DS,		\
+	.core_exec	= INIT_EXEC		\
+}
+
+/* Free all resources held by a thread. */
+extern void release_thread(struct task_struct *);
+
+extern unsigned long thread_saved_pc(struct task_struct *t);
+
+extern void start_thread(struct pt_regs * regs, unsigned long pc, unsigned long sp);
+
+/* Prepare to copy thread state - unlazy all lazy status */
+#define prepare_to_copy(tsk)	do { } while (0)
+
+extern int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags);
+
+unsigned long get_wchan(struct task_struct *p);
+
+#define KSTK_EIP(tsk)  ((tsk)->thread.kregs->ea)
+#define KSTK_ESP(tsk)  ((tsk)->thread.kregs->sp)
+
+#ifdef __KERNEL__
+/* Allocation and freeing of basic task resources. */
+
+//;dgt2;#define alloc_task_struct() ((struct task_struct *) xx..see..linux..fork..xx __get_free_pages(GFP_KERNEL,1))
+//;dgt2;#define get_task_struct(tsk) xx..see..linux..sched.h...atomic_inc(&mem_map[MAP_NR(tsk)].count)
+
+#endif
+
+#define cpu_relax()    do { } while (0)
+#endif /* __ASSEMBLY__ */
+#endif /* __ASM_NIOS_PROCESSOR_H */
--- linux/include/asm-nios2nommu/ptrace.h
+++ linux/include/asm-nios2nommu/ptrace.h
@@ -0,0 +1,141 @@
+/*
+ * Taken from the m68k port.
+ *
+ * Copyright (C) 2004, Microtronix Datacom Ltd.
+ *
+ * All rights reserved.          
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+#ifndef _NIOS2NOMMU_PTRACE_H
+#define _NIOS2NOMMU_PTRACE_H
+
+#ifndef __ASSEMBLY__
+
+#define PTR_R0		0
+#define PTR_R1		1
+#define PTR_R2		2
+#define PTR_R3		3
+#define PTR_R4		4
+#define PTR_R5		5
+#define PTR_R6		6
+#define PTR_R7		7
+#define PTR_R8		8
+#define PTR_R9		9
+#define PTR_R10		10
+#define PTR_R11		11
+#define PTR_R12		12
+#define PTR_R13		13
+#define PTR_R14		14
+#define PTR_R15		15
+#define PTR_R16		16
+#define PTR_R17		17
+#define PTR_R18		18
+#define PTR_R19		19
+#define PTR_R20		20
+#define PTR_R21		21
+#define PTR_R22		22
+#define PTR_R23		23
+#define PTR_R24		24
+#define PTR_R25		25
+#define PTR_GP		26
+#define PTR_SP		27
+#define PTR_FP		28
+#define PTR_EA		29
+#define PTR_BA		30
+#define PTR_RA		31
+#define PTR_STATUS	32
+#define PTR_ESTATUS	33
+#define PTR_BSTATUS	34
+#define PTR_IENABLE	35
+#define PTR_IPENDING	36
+
+/* this struct defines the way the registers are stored on the
+   stack during a system call. 
+
+   There is a fake_regs in setup.c that has to match pt_regs.*/
+
+struct pt_regs {
+	unsigned long  r8;
+	unsigned long  r9;
+	unsigned long  r10;
+	unsigned long  r11;
+	unsigned long  r12;
+	unsigned long  r13;
+	unsigned long  r14;
+	unsigned long  r15;
+	unsigned long  r1;
+	unsigned long  r2;
+	unsigned long  r3;
+	unsigned long  r4;
+	unsigned long  r5;
+	unsigned long  r6;
+	unsigned long  r7;
+	unsigned long  orig_r2;
+	unsigned long  ra;
+	unsigned long  fp;
+	unsigned long  sp;
+	unsigned long  gp;
+	unsigned long  estatus;
+	unsigned long  status_extension;
+	unsigned long  ea;
+};
+
+
+/*
+ * This is the extended stack used by signal handlers and the context
+ * switcher: it's pushed after the normal "struct pt_regs".
+ */
+struct switch_stack {
+	unsigned long  r16;
+	unsigned long  r17;
+	unsigned long  r18;
+	unsigned long  r19;
+	unsigned long  r20;
+	unsigned long  r21;
+	unsigned long  r22;
+	unsigned long  r23;
+	unsigned long  fp;
+	unsigned long  gp;
+	unsigned long  ra;
+};
+
+/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
+#define PTRACE_GETREGS            12
+#define PTRACE_SETREGS            13
+#ifdef CONFIG_FPU
+#define PTRACE_GETFPREGS          14
+#define PTRACE_SETFPREGS          15
+#endif
+
+#ifdef __KERNEL__
+
+#ifndef PS_S
+#define PS_S  (0x00000001)
+#endif
+#ifndef PS_T
+#define PS_T  (0x00000002)
+#endif
+
+#define user_mode(regs) (!((regs)->status_extension & PS_S))
+#define instruction_pointer(regs) ((regs)->ra)
+#define profile_pc(regs) instruction_pointer(regs)
+extern void show_regs(struct pt_regs *);
+
+#endif /* __KERNEL__ */
+#endif /* __ASSEMBLY__ */
+#endif /* _NIOS2NOMMU_PTRACE_H */
--- linux/include/asm-nios2nommu/resource.h
+++ linux/include/asm-nios2nommu/resource.h
@@ -0,0 +1,73 @@
+#ifndef _NIOS2NOMMU_RESOURCE_H
+#define _NIOS2NOMMU_RESOURCE_H
+
+/*--------------------------------------------------------------------
+ *
+ * Resource limits
+ *
+ * include/asm-nios2nommu/resource.h
+ *
+ * Derived from M68knommu
+ *
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * Jan/20/2004		dgt	    NiosII
+ *
+ ---------------------------------------------------------------------*/
+
+
+#define RLIMIT_CPU	0		/* CPU time in ms */
+#define RLIMIT_FSIZE	1		/* Maximum filesize */
+#define RLIMIT_DATA	2		/* max data size */
+#define RLIMIT_STACK	3		/* max stack size */
+#define RLIMIT_CORE	4		/* max core file size */
+#define RLIMIT_RSS	5		/* max resident set size */
+#define RLIMIT_NPROC	6		/* max number of processes */
+#define RLIMIT_NOFILE	7		/* max number of open files */
+#define RLIMIT_MEMLOCK	8		/* max locked-in-memory address space */
+#define RLIMIT_AS	9		/* address space limit */
+#define RLIMIT_LOCKS	10		/* maximum file locks held */
+#define RLIMIT_SIGPENDING 11		/* max number of pending signals */
+#define RLIMIT_MSGQUEUE 12		/* maximum bytes in POSIX mqueues */
+
+#define RLIM_NLIMITS	13
+
+/*
+ * SuS says limits have to be unsigned.
+ * Which makes a ton more sense anyway.
+ */
+#define RLIM_INFINITY	(~0UL)
+
+#ifdef __KERNEL__
+
+#define INIT_RLIMITS					\
+{							\
+	{ RLIM_INFINITY, RLIM_INFINITY },		\
+	{ RLIM_INFINITY, RLIM_INFINITY },		\
+	{ RLIM_INFINITY, RLIM_INFINITY },		\
+	{      _STK_LIM, RLIM_INFINITY },		\
+	{             0, RLIM_INFINITY },		\
+	{ RLIM_INFINITY, RLIM_INFINITY },		\
+	{             0,             0 },		\
+	{      INR_OPEN,     INR_OPEN  },		\
+	{   MLOCK_LIMIT,   MLOCK_LIMIT },		\
+	{ RLIM_INFINITY, RLIM_INFINITY },		\
+	{ RLIM_INFINITY, RLIM_INFINITY },		\
+	{ MAX_SIGPENDING, MAX_SIGPENDING },		\
+	{ MQ_BYTES_MAX, MQ_BYTES_MAX },			\
+}
+
+#endif /* __KERNEL__ */
+
+#endif /* _NIOS2NOMMU_RESOURCE_H */
--- linux/include/asm-nios2nommu/rmap.h
+++ linux/include/asm-nios2nommu/rmap.h
@@ -0,0 +1,2 @@
+/* Do not need anything here */
+
--- linux/include/asm-nios2nommu/scatterlist.h
+++ linux/include/asm-nios2nommu/scatterlist.h
@@ -0,0 +1,42 @@
+#ifndef _NIOS2NOMMU_SCATTERLIST_H
+#define _NIOS2NOMMU_SCATTERLIST_H
+
+/*--------------------------------------------------------------------
+ *
+ * include/asm-nios2nommu/scatterlist.h
+ *
+ * Derived from M68knommu
+ *
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * Jan/20/2004		dgt	    NiosII
+ *
+ ---------------------------------------------------------------------*/
+
+#include <linux/mm.h>
+
+struct scatterlist {
+	struct page	*page;
+	unsigned int	offset;
+	dma_addr_t	dma_address;
+	unsigned int	length;
+};
+
+#define sg_address(sg) (page_address((sg)->page) + (sg)->offset
+#define sg_dma_address(sg)	((sg)->dma_address)
+#define sg_dma_len(sg)		((sg)->length)
+
+#define ISA_DMA_THRESHOLD	(0xffffffff)
+
+#endif /* !(_NIOS2NOMMU_SCATTERLIST_H) */
--- linux/include/asm-nios2nommu/sections.h
+++ linux/include/asm-nios2nommu/sections.h
@@ -0,0 +1,30 @@
+#ifndef _NIOS2NOMMU_SECTIONS_H
+#define _NIOS2NOMMU_SECTIONS_H
+
+/*--------------------------------------------------------------------
+ *
+ * include/asm-nios2nommu/sections.h
+ *
+ * Derived from various works, Alpha, ix86, M68K, Sparc, ...et al
+ *
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * Jan/20/2004		dgt	    NiosII
+ *
+ ---------------------------------------------------------------------*/
+
+
+#include <asm-generic/sections.h>
+
+#endif /* _NIOS2NOMMU_SECTIONS_H */
--- linux/include/asm-nios2nommu/segment.h
+++ linux/include/asm-nios2nommu/segment.h
@@ -0,0 +1,75 @@
+#ifndef _NIOS2NOMMU_SEGMENT_H
+#define _NIOS2NOMMU_SEGMENT_H
+
+/*--------------------------------------------------------------------
+ *
+ * include/asm-nios2nommu/segment.h
+ *
+ * Derived from M68knommu
+ *
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * Jan/20/2004		dgt	    NiosII
+ *
+ ---------------------------------------------------------------------*/
+
+
+/* define constants */
+/* Address spaces (FC0-FC2) */
+#define USER_DATA     (1)
+#ifndef __USER_DS
+#define __USER_DS     (USER_DATA)
+#endif
+#define USER_PROGRAM  (2)
+#define SUPER_DATA    (5)
+#ifndef __KERNEL_DS
+#define __KERNEL_DS   (SUPER_DATA)
+#endif
+#define SUPER_PROGRAM (6)
+#define CPU_SPACE     (7)
+
+#ifndef __ASSEMBLY__
+
+typedef struct {
+	unsigned long seg;
+} mm_segment_t;
+
+#define MAKE_MM_SEG(s)	((mm_segment_t) { (s) })
+#define USER_DS		MAKE_MM_SEG(__USER_DS)
+#define KERNEL_DS	MAKE_MM_SEG(__KERNEL_DS)
+
+/*
+ * Get/set the SFC/DFC registers for MOVES instructions
+ */
+
+static inline mm_segment_t get_fs(void)
+{
+    return USER_DS;
+}
+
+static inline mm_segment_t get_ds(void)
+{
+    /* return the supervisor data space code */
+    return KERNEL_DS;
+}
+
+static inline void set_fs(mm_segment_t val)
+{
+}
+
+#define segment_eq(a,b)	((a).seg == (b).seg)
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* _NIOS2NOMMU_SEGMENT_H */
--- linux/include/asm-nios2nommu/semaphore.h
+++ linux/include/asm-nios2nommu/semaphore.h
@@ -0,0 +1,155 @@
+#ifndef _NIOS2NOMMU_SEMAPHORE_H
+#define _NIOS2NOMMU_SEMAPHORE_H
+
+/*--------------------------------------------------------------------
+ *
+ * include/asm-nios2nommu/semaphore.h
+ *
+ * Interrupt-safe semaphores..
+ *
+ * Derived from M68knommu
+ *
+ * (C) Copyright 1996 Linus Torvalds
+ * m68k version by Andreas Schwab
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * Jan/20/2004		dgt	    NiosII
+ *
+ ---------------------------------------------------------------------*/
+
+#define RW_LOCK_BIAS		 0x01000000
+
+#ifndef __ASSEMBLY__
+
+#include <linux/linkage.h>
+#include <linux/wait.h>
+#include <linux/spinlock.h>
+#include <linux/rwsem.h>
+
+#include <asm/system.h>
+#include <asm/atomic.h>
+
+struct semaphore {
+	atomic_t count;
+	atomic_t waking;
+	wait_queue_head_t wait;
+};
+
+#define __SEMAPHORE_INITIALIZER(name, n)				\
+{									\
+	.count		= ATOMIC_INIT(n),				\
+	.waking		= ATOMIC_INIT(0),				\
+	.wait		= __WAIT_QUEUE_HEAD_INITIALIZER((name).wait)	\
+}
+
+#define __MUTEX_INITIALIZER(name) \
+	__SEMAPHORE_INITIALIZER(name,1)
+
+#define __DECLARE_SEMAPHORE_GENERIC(name,count) \
+	struct semaphore name = __SEMAPHORE_INITIALIZER(name,count)
+
+#define DECLARE_MUTEX(name) __DECLARE_SEMAPHORE_GENERIC(name,1)
+#define DECLARE_MUTEX_LOCKED(name) __DECLARE_SEMAPHORE_GENERIC(name,0)
+
+extern inline void sema_init (struct semaphore *sem, int val)
+{
+	*sem = (struct semaphore)__SEMAPHORE_INITIALIZER(*sem, val);
+}
+
+static inline void init_MUTEX (struct semaphore *sem)
+{
+	sema_init(sem, 1);
+}
+
+static inline void init_MUTEX_LOCKED (struct semaphore *sem)
+{
+	sema_init(sem, 0);
+}
+
+asmlinkage void __down(struct semaphore * sem);
+asmlinkage int  __down_interruptible(struct semaphore * sem);
+asmlinkage int  __down_trylock(struct semaphore * sem);
+asmlinkage void __up(struct semaphore * sem);
+
+asmlinkage void __down_failed(void /* special register calling convention */);
+asmlinkage int  __down_failed_interruptible(void  /* params in registers */);
+asmlinkage int  __down_failed_trylock(void  /* params in registers */);
+asmlinkage void __up_wakeup(void /* special register calling convention */);
+
+extern spinlock_t semaphore_wake_lock;
+
+/*
+ * This is ugly, but we want the default case to fall through.
+ * "down_failed" is a special asm handler that calls the C
+ * routine that actually waits.
+ */
+extern inline void down(struct semaphore * sem)
+{
+	might_sleep();
+
+  #if 0
+    ...Nios2 has no atomic "decrement memory"....
+  #else
+	if (atomic_dec_return(&sem->count) < 0)
+		__down(sem);
+  #endif
+}
+
+extern inline int down_interruptible(struct semaphore * sem)
+{
+	int ret = 0;
+
+
+	might_sleep();
+
+  #if 0
+    ...Nios2 has no atomic "decrement memory"....
+  #else
+	if(atomic_dec_return(&sem->count) < 0)
+		ret = __down_interruptible(sem);
+	return ret;
+  #endif
+}
+
+extern inline int down_trylock(struct semaphore * sem)
+{
+  #if 0
+    ...Nios2 has no atomic "decrement memory"....
+  #else
+	int ret = 0;
+
+	if (atomic_dec_return (&sem->count) < 0)
+		ret = __down_trylock(sem);
+	return ret;
+  #endif
+}
+
+/*
+ * Note! This is subtle. We jump to wake people up only if
+ * the semaphore was negative (== somebody was waiting on it).
+ * The default case (no contention) will result in NO
+ * jumps for both down() and up().
+ */
+extern inline void up(struct semaphore * sem)
+{
+  #if 0
+    ...Nios2 has no atomic "increment memory"....
+  #else
+	if (atomic_inc_return(&sem->count) <= 0)
+		__up(sem);
+  #endif
+}
+
+#endif /* __ASSEMBLY__ */
+
+#endif
--- linux/include/asm-nios2nommu/semaphore-helper.h
+++ linux/include/asm-nios2nommu/semaphore-helper.h
@@ -0,0 +1,101 @@
+#ifndef _NIOS2NOMMU_SEMAPHORE_HELPER_H
+#define _NIOS2NOMMU_SEMAPHORE_HELPER_H
+
+/*--------------------------------------------------------------------
+ *
+ * include/asm-nios2nommu/semaphore.h
+ *
+ * SMP- and interrupt-safe semaphores helper functions.
+ *
+ * Derived from M68knommu
+ *
+ * (C) Copyright 1996 Linus Torvalds
+ * m68k version by Andreas Schwab
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * Jan/20/2004		dgt	    NiosII
+ *
+ ---------------------------------------------------------------------*/
+
+// #include <linux/config.h>
+
+/*
+ * These two _must_ execute atomically wrt each other.
+ */
+static inline void wake_one_more(struct semaphore * sem)
+{
+	atomic_inc(&sem->waking);
+}
+
+static inline int waking_non_zero(struct semaphore *sem)
+{
+	int ret;
+	unsigned long flags;
+
+	spin_lock_irqsave(&semaphore_wake_lock, flags);
+	ret = 0;
+	if (atomic_read(&sem->waking) > 0) {
+		atomic_dec(&sem->waking);
+		ret = 1;
+	}
+	spin_unlock_irqrestore(&semaphore_wake_lock, flags);
+	return ret;
+}
+
+/*
+ * waking_non_zero_interruptible:
+ *	1	got the lock
+ *	0	go to sleep
+ *	-EINTR	interrupted
+ */
+static inline int waking_non_zero_interruptible(struct semaphore *sem,
+						struct task_struct *tsk)
+{
+	int ret;
+	unsigned long flags;
+
+	spin_lock_irqsave(&semaphore_wake_lock, flags);
+	ret = 0;
+	if (atomic_read(&sem->waking) > 0) {
+		atomic_dec(&sem->waking);
+		ret = 1;
+	} else if (signal_pending(tsk)) {
+		atomic_inc(&sem->count);
+		ret = -EINTR;
+	}
+	spin_unlock_irqrestore(&semaphore_wake_lock, flags);
+	return ret;
+}
+
+/*
+ * waking_non_zero_trylock:
+ *	1	failed to lock
+ *	0	got the lock
+ */
+static inline int waking_non_zero_trylock(struct semaphore *sem)
+{
+	int ret;
+	unsigned long flags;
+
+	spin_lock_irqsave(&semaphore_wake_lock, flags);
+	ret = 1;
+	if (atomic_read(&sem->waking) > 0) {
+		atomic_dec(&sem->waking);
+		ret = 0;
+	} else
+		atomic_inc(&sem->count);
+	spin_unlock_irqrestore(&semaphore_wake_lock, flags);
+	return ret;
+}
+
+#endif
--- linux/include/asm-nios2nommu/sembuf.h
+++ linux/include/asm-nios2nommu/sembuf.h
@@ -0,0 +1,48 @@
+#ifndef _NIOS_SEMBUF_H
+#define _NIOS_SEMBUF_H
+
+/*--------------------------------------------------------------------
+ *
+ * include/asm-nios2nommu/sembuf.h
+ *
+ * Derived from various works, Alpha, ix86, M68K, Sparc, ...et al
+ *
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * Jan/20/2004		dgt	    NiosII
+ *
+ ---------------------------------------------------------------------*/
+
+
+/* 
+ * Note extra padding because this structure is passed back and forth
+ * between kernel and user space.
+ *
+ * Pad space is left for:
+ * - 64-bit time_t to solve y2038 problem
+ * - 2 miscellaneous 32-bit values
+ */
+
+struct semid64_ds {
+	struct ipc64_perm sem_perm;		/* permissions .. see ipc.h */
+	__kernel_time_t	sem_otime;		/* last semop time */
+	unsigned long	__unused1;
+	__kernel_time_t	sem_ctime;		/* last change time */
+	unsigned long	__unused2;
+	unsigned long	sem_nsems;		/* no. of semaphores in array */
+	unsigned long	__unused3;
+	unsigned long	__unused4;
+};
+
+#endif /* _NIOS_SEMBUF_H */
--- linux/include/asm-nios2nommu/setup.h
+++ linux/include/asm-nios2nommu/setup.h
@@ -0,0 +1,31 @@
+/*	Copied from i386 port.
+ *	Just a place holder. We don't want to have to test x86 before
+ *	we include stuff
+ *
+ * Copyright (C) 2004, Microtronix Datacom Ltd.
+ *
+ * All rights reserved.          
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef _NIOS2_SETUP_H
+#define _NIOS2_SETUP_H
+
+#define COMMAND_LINE_SIZE 512
+
+#endif /* _NIOS2_SETUP_H */
--- linux/include/asm-nios2nommu/shmbuf.h
+++ linux/include/asm-nios2nommu/shmbuf.h
@@ -0,0 +1,64 @@
+#ifndef _NIOS_SHMBUF_H
+#define _NIOS_SHMBUF_H
+
+/*--------------------------------------------------------------------
+ *
+ * include/asm-nios2nommu/shmbuf.h
+ *
+ * Derived from m68knommu
+ *
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * Jan/20/2004		dgt	    NiosII
+ *
+ ---------------------------------------------------------------------*/
+
+
+/* Note extra padding because this structure is passed back and forth
+ * between kernel and user space.
+ *
+ * Pad space is left for:
+ * - 64-bit time_t to solve y2038 problem
+ * - 2 miscellaneous 32-bit values
+ */
+
+struct shmid64_ds {
+	struct ipc64_perm	shm_perm;	/* operation perms */
+	size_t			shm_segsz;	/* size of segment (bytes) */
+	__kernel_time_t		shm_atime;	/* last attach time */
+	unsigned long		__unused1;
+	__kernel_time_t		shm_dtime;	/* last detach time */
+	unsigned long		__unused2;
+	__kernel_time_t		shm_ctime;	/* last change time */
+	unsigned long		__unused3;
+	__kernel_pid_t		shm_cpid;	/* pid of creator */
+	__kernel_pid_t		shm_lpid;	/* pid of last operator */
+	unsigned long		shm_nattch;	/* no. of current attaches */
+	unsigned long		__unused4;
+	unsigned long		__unused5;
+};
+
+struct shminfo64 {
+	unsigned long	shmmax;
+	unsigned long	shmmin;
+	unsigned long	shmmni;
+	unsigned long	shmseg;
+	unsigned long	shmall;
+	unsigned long	__unused1;
+	unsigned long	__unused2;
+	unsigned long	__unused3;
+	unsigned long	__unused4;
+};
+
+#endif /* _NIOS_SHMBUF_H */
--- linux/include/asm-nios2nommu/shmparam.h
+++ linux/include/asm-nios2nommu/shmparam.h
@@ -0,0 +1,30 @@
+#ifndef __NIOS2NOMMU_SHMPARAM_H__
+#define __NIOS2NOMMU_SHMPARAM_H__
+
+/*--------------------------------------------------------------------
+ *
+ * include/asm-nios2nommu/shmparam.h
+ *
+ * Derived from various works, Alpha, ix86, M68K, Sparc, ...et al
+ *
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * Jan/20/2004		dgt	    NiosII
+ *
+ ---------------------------------------------------------------------*/
+
+
+#define	SHMLBA		PAGE_SIZE	/* attach addr a multiple of this */
+
+#endif /* __NIOS2NOMMU_SHMPARAM_H__ */
--- linux/include/asm-nios2nommu/sigcontext.h
+++ linux/include/asm-nios2nommu/sigcontext.h
@@ -0,0 +1,35 @@
+/*
+ * Taken from the m68knommu.
+ *
+ * Copyright (C) 2004, Microtronix Datacom Ltd.
+ * 
+ * All rights reserved.          
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef _ASM_NIOS2NOMMU_SIGCONTEXT_H
+#define _ASM_NIOS2NOMMU_SIGCONTEXT_H
+
+#include <asm/ptrace.h>
+
+struct sigcontext {
+	struct pt_regs regs;
+	unsigned long  sc_mask; 	/* old sigmask */
+};
+
+#endif
--- linux/include/asm-nios2nommu/siginfo.h
+++ linux/include/asm-nios2nommu/siginfo.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2004, Microtronix Datacom Ltd.
+ *
+ * All rights reserved.          
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef _NIOS2NOMMU_SIGINFO_H
+#define _NIOS2NOMMU_SIGINFO_H
+
+#include <asm-generic/siginfo.h>
+
+#endif
--- linux/include/asm-nios2nommu/signal.h
+++ linux/include/asm-nios2nommu/signal.h
@@ -0,0 +1,207 @@
+/*
+ * Copyright (C) 2004, Microtronix Datacom Ltd.
+ *
+ * All rights reserved.          
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef _NIOS2_SIGNAL_H
+#define _NIOS2_SIGNAL_H
+
+#include <linux/types.h>
+
+/* Avoid too many header ordering problems.  */
+struct siginfo;
+
+#ifdef __KERNEL__
+/* Most things should be clean enough to redefine this at will, if care
+   is taken to make libc match.  */
+
+#define _NSIG		64
+#define _NSIG_BPW	32
+#define _NSIG_WORDS	(_NSIG / _NSIG_BPW)
+
+typedef unsigned long old_sigset_t;		/* at least 32 bits */
+
+typedef struct {
+	unsigned long sig[_NSIG_WORDS];
+} sigset_t;
+
+#else
+/* Here we must cater to libcs that poke about in kernel headers.  */
+
+#define NSIG		32
+typedef unsigned long sigset_t;
+
+#endif /* __KERNEL__ */
+
+#define SIGHUP		 1
+#define SIGINT		 2
+#define SIGQUIT		 3
+#define SIGILL		 4
+#define SIGTRAP		 5
+#define SIGABRT		 6
+#define SIGIOT		 6
+#define SIGBUS		 7
+#define SIGFPE		 8
+#define SIGKILL		 9
+#define SIGUSR1		10
+#define SIGSEGV		11
+#define SIGUSR2		12
+#define SIGPIPE		13
+#define SIGALRM		14
+#define SIGTERM		15
+#define SIGSTKFLT	16
+#define SIGCHLD		17
+#define SIGCONT		18
+#define SIGSTOP		19
+#define SIGTSTP		20
+#define SIGTTIN		21
+#define SIGTTOU		22
+#define SIGURG		23
+#define SIGXCPU		24
+#define SIGXFSZ		25
+#define SIGVTALRM	26
+#define SIGPROF		27
+#define SIGWINCH	28
+#define SIGIO		29
+#define SIGPOLL		SIGIO
+/*
+#define SIGLOST		29
+*/
+#define SIGPWR		30
+#define SIGSYS		31
+#define	SIGUNUSED	31
+
+/* These should not be considered constants from userland.  */
+#define SIGRTMIN	32
+#define SIGRTMAX	_NSIG-1
+
+/*
+ * SA_FLAGS values:
+ *
+ * SA_ONSTACK indicates that a registered stack_t will be used.
+ * SA_INTERRUPT is a no-op, but left due to historical reasons. Use the
+ * SA_RESTART flag to get restarting signals (which were the default long ago)
+ * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
+ * SA_RESETHAND clears the handler when the signal is delivered.
+ * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
+ * SA_NODEFER prevents the current signal from being masked in the handler.
+ *
+ * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
+ * Unix names RESETHAND and NODEFER respectively.
+ */
+#define SA_NOCLDSTOP	0x00000001
+#define SA_NOCLDWAIT	0x00000002 /* not supported yet */
+#define SA_SIGINFO	0x00000004
+#define SA_ONSTACK	0x08000000
+#define SA_RESTART	0x10000000
+#define SA_NODEFER	0x40000000
+#define SA_RESETHAND	0x80000000
+
+#define SA_NOMASK	SA_NODEFER
+#define SA_ONESHOT	SA_RESETHAND
+#define SA_INTERRUPT	0x20000000 /* dummy -- ignored */
+
+#define SA_RESTORER	0x04000000
+
+/* 
+ * sigaltstack controls
+ */
+#define SS_ONSTACK	1
+#define SS_DISABLE	2
+
+#define MINSIGSTKSZ	2048
+#define SIGSTKSZ	8192
+
+#ifdef __KERNEL__
+/*
+ * These values of sa_flags are used only by the kernel as part of the
+ * irq handling routines.
+ *
+ * SA_INTERRUPT is also used by the irq handling routines.
+ * SA_SHIRQ is for shared interrupt support on PCI and EISA.
+ */
+#define SA_PROBE		SA_ONESHOT
+#define SA_SAMPLE_RANDOM	SA_RESTART
+#define SA_SHIRQ		0x04000000
+#endif
+
+#define SIG_BLOCK          0	/* for blocking signals */
+#define SIG_UNBLOCK        1	/* for unblocking signals */
+#define SIG_SETMASK        2	/* for setting the signal mask */
+
+/* Type of a signal handler.  */
+typedef void (*__sighandler_t)(int);
+
+#define SIG_DFL	((__sighandler_t)0)	/* default signal handling */
+#define SIG_IGN	((__sighandler_t)1)	/* ignore signal */
+#define SIG_ERR	((__sighandler_t)-1)	/* error return from signal */
+
+#ifdef __KERNEL__
+struct old_sigaction {
+	__sighandler_t sa_handler;
+	old_sigset_t sa_mask;
+	unsigned long sa_flags;
+	void (*sa_restorer)(void);
+};
+
+struct sigaction {
+	__sighandler_t sa_handler;
+	unsigned long sa_flags;
+	void (*sa_restorer)(void);
+	sigset_t sa_mask;		/* mask last for extensibility */
+};
+
+struct k_sigaction {
+	struct sigaction sa;
+};
+#else
+/* Here we must cater to libcs that poke about in kernel headers.  */
+
+struct sigaction {
+	union {
+	  __sighandler_t _sa_handler;
+	  void (*_sa_sigaction)(int, struct siginfo *, void *);
+	} _u;
+	sigset_t sa_mask;
+	unsigned long sa_flags;
+	void (*sa_restorer)(void);
+};
+
+#define sa_handler	_u._sa_handler
+#define sa_sigaction	_u._sa_sigaction
+
+#endif /* __KERNEL__ */
+
+typedef struct sigaltstack {
+	void *ss_sp;
+	int ss_flags;
+	size_t ss_size;
+} stack_t;
+
+#ifdef __KERNEL__
+
+#include <asm/sigcontext.h>
+#undef __HAVE_ARCH_SIG_BITOPS
+
+#define ptrace_signal_deliver(regs, cookie) do { } while (0)
+
+#endif /* __KERNEL__ */
+
+#endif /* _NIOS2_SIGNAL_H */
--- linux/include/asm-nios2nommu/smp.h
+++ linux/include/asm-nios2nommu/smp.h
@@ -0,0 +1,34 @@
+#ifndef __ASM_SMP_H
+#define __ASM_SMP_H
+
+/*--------------------------------------------------------------------
+ *
+ * include/asm-nios2nommu/smp.h
+ *
+ * Derived from various works, Alpha, ix86, M68K, Sparc, ...et al
+ *
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * Jan/20/2004		dgt	    NiosII
+ *
+ ---------------------------------------------------------------------*/
+
+
+// #include <linux/config.h>
+
+#ifdef CONFIG_SMP
+#error SMP not supported
+#endif
+
+#endif
--- linux/include/asm-nios2nommu/socket.h
+++ linux/include/asm-nios2nommu/socket.h
@@ -0,0 +1,74 @@
+#ifndef _ASM_SOCKET_H
+#define _ASM_SOCKET_H
+
+/*--------------------------------------------------------------------
+ *
+ * include/asm-nios2nommu/socket.h
+ *
+ * Derived from m68knommu
+ *
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * Jan/20/2004		dgt	    NiosII
+ *
+ ---------------------------------------------------------------------*/
+
+
+#include <asm/sockios.h>
+
+/* For setsockopt(2) */
+#define SOL_SOCKET	1
+
+#define SO_DEBUG	1
+#define SO_REUSEADDR	2
+#define SO_TYPE		3
+#define SO_ERROR	4
+#define SO_DONTROUTE	5
+#define SO_BROADCAST	6
+#define SO_SNDBUF	7
+#define SO_RCVBUF	8
+#define SO_KEEPALIVE	9
+#define SO_OOBINLINE	10
+#define SO_NO_CHECK	11
+#define SO_PRIORITY	12
+#define SO_LINGER	13
+#define SO_BSDCOMPAT	14
+/* To add :#define SO_REUSEPORT 15 */
+#define SO_PASSCRED	16
+#define SO_PEERCRED	17
+#define SO_RCVLOWAT	18
+#define SO_SNDLOWAT	19
+#define SO_RCVTIMEO	20
+#define SO_SNDTIMEO	21
+
+/* Security levels - as per NRL IPv6 - don't actually do anything */
+#define SO_SECURITY_AUTHENTICATION		22
+#define SO_SECURITY_ENCRYPTION_TRANSPORT	23
+#define SO_SECURITY_ENCRYPTION_NETWORK		24
+
+#define SO_BINDTODEVICE	25
+
+/* Socket filtering */
+#define SO_ATTACH_FILTER        26
+#define SO_DETACH_FILTER        27
+
+#define SO_PEERNAME             28
+#define SO_TIMESTAMP		29
+#define SCM_TIMESTAMP		SO_TIMESTAMP
+
+#define SO_ACCEPTCONN		30
+
+#define SO_PEERSEC		31      /* ;dgt2;tmp;                   */
+
+#endif /* _ASM_SOCKET_H */
--- linux/include/asm-nios2nommu/sockios.h
+++ linux/include/asm-nios2nommu/sockios.h
@@ -0,0 +1,38 @@
+#ifndef _ASM_NIOS_SOCKIOS_H
+#define _ASM_NIOS_SOCKIOS_H
+
+/*--------------------------------------------------------------------
+ *
+ * include/asm-nios2nommu/sockios.h
+ *
+ * Socket-level I/O control calls.
+ *
+ * Derived from various works, Alpha, ix86, M68K, Sparc, ...et al
+ *
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * Jan/20/2004		dgt	    NiosII
+ *
+ ---------------------------------------------------------------------*/
+
+
+#define FIOSETOWN 	0x8901
+#define SIOCSPGRP	0x8902
+#define FIOGETOWN	0x8903
+#define SIOCGPGRP	0x8904
+#define SIOCATMARK	0x8905
+#define SIOCGSTAMP	0x8906		/* Get stamp */
+
+#endif /* !(_ASM_NIOS_SOCKIOS_H) */
+
--- linux/include/asm-nios2nommu/spi.h
+++ linux/include/asm-nios2nommu/spi.h
@@ -0,0 +1,92 @@
+#ifndef _ASM_SPI_H_
+#define _ASM_SPI_H_ 1
+
+/*--------------------------------------------------------------------
+ *
+ * include/asm-nios2nommu/spi.h
+ *
+ * Derived from various works, Alpha, ix86, M68K, Sparc, ...et al
+ *
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * Jan/20/2004		dgt	    NiosII
+ *
+ ---------------------------------------------------------------------*/
+
+
+#include <asm/nios.h>
+
+int  register_NIOS_SPI( void );
+void unregister_NIOS_SPI( void );
+
+#if defined(MODULE)
+void cleanup_module( void );
+int  init_module( void );
+#endif
+
+#if defined(__KERNEL__)
+int  spi_reset  ( void );
+#endif
+
+
+#define clockCS 0x01
+#define temperatureCS 0x02
+
+#define clock_read_base 0x00
+#define clock_write_base 0x80
+#define clock_read_control 0x0F
+#define clock_read_trickle 0x11
+
+#define clock_read_sec 0x00
+#define clock_read_min 0x01
+#define clock_read_hour 0x02
+#define clock_read_day 0x03
+#define clock_read_date 0x04
+#define clock_read_month 0x05
+#define clock_read_year 0x06
+
+#define clock_write_control 0x8F
+#define clock_write_trickle 0x91
+#define clock_write_sec 0x80
+#define clock_write_min 0x81
+#define clock_write_hour 0x82
+#define clock_write_day 0x83
+#define clock_write_date 0x84
+#define clock_write_month 0x85
+#define clock_write_year 0x86
+
+#define clock_write_ram_start 0xA0
+#define clock_write_ram_end 0x100
+#define clock_read_ram_start 0x20
+#define clock_read_ram_end 0x80
+
+
+#define	clock_sec_def 0x11
+#define clock_min_def 0x59
+#define clock_hour_def 0x71
+#define clock_day_def 0x00
+#define clock_date_def 0x20
+#define clock_month_def 0x12
+#define clock_year_def 0x34
+
+#define temp_read_base 0x00
+#define temp_write_base 0x80
+#define temp_read_control 0x00
+#define temp_write_control 0x80
+#define temp_read_msb 0x02
+#define temp_read_lsb 0x01
+
+#define MAX_TEMP_VAR 10
+
+#endif /*_ASM_SPI_H_*/
--- linux/include/asm-nios2nommu/spinlock.h
+++ linux/include/asm-nios2nommu/spinlock.h
@@ -0,0 +1,30 @@
+#ifndef __NIOS_SPINLOCK_H
+#define __NIOS_SPINLOCK_H
+
+/*--------------------------------------------------------------------
+ *
+ * include/asm-nios2nommu/spinlock.h
+ *
+ * Derived from various works, Alpha, ix86, M68K, Sparc, ...et al
+ *
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * Jan/20/2004		dgt	    NiosII
+ *
+ ---------------------------------------------------------------------*/
+
+
+#error "Nios doesn't do SMP yet"
+
+#endif
--- linux/include/asm-nios2nommu/spi_struct.h
+++ linux/include/asm-nios2nommu/spi_struct.h
@@ -0,0 +1,57 @@
+// SPI Registers
+typedef volatile struct
+  {
+  int np_spirxdata;       // Read-only, 1-16 bit
+  int np_spitxdata;       // Write-only, same width as rxdata
+  int np_spistatus;       // Read-only, 9-bit
+  int np_spicontrol;      // Read/Write, 9-bit
+  int np_spireserved;     // reserved
+  int np_spislaveselect;  // Read/Write, 1-16 bit, master only
+  int np_spiendofpacket;  // Read/write, same width as txdata, rxdata.
+  } np_spi;
+
+// SPI Status Register Bits
+enum
+  {
+  np_spistatus_eop_bit  = 9,
+  np_spistatus_e_bit    = 8,
+  np_spistatus_rrdy_bit = 7,
+  np_spistatus_trdy_bit = 6,
+  np_spistatus_tmt_bit  = 5,
+  np_spistatus_toe_bit  = 4,
+  np_spistatus_roe_bit  = 3,
+
+  np_spistatus_eop_mask  = (1 << 9),
+  np_spistatus_e_mask    = (1 << 8),
+  np_spistatus_rrdy_mask = (1 << 7),
+  np_spistatus_trdy_mask = (1 << 6),
+  np_spistatus_tmt_mask  = (1 << 5),
+  np_spistatus_toe_mask  = (1 << 4),
+  np_spistatus_roe_mask  = (1 << 3),
+  };
+
+// SPI Control Register Bits
+enum
+  {
+  np_spicontrol_sso_bit   = 10,
+  np_spicontrol_ieop_bit  = 9,
+  np_spicontrol_ie_bit    = 8,
+  np_spicontrol_irrdy_bit = 7,
+  np_spicontrol_itrdy_bit = 6,
+  np_spicontrol_itoe_bit  = 4,
+  np_spicontrol_iroe_bit  = 3,
+
+  np_spicontrol_sso_mask   = (1 << 10),
+  np_spicontrol_ieop_mask  = (1 << 9),
+  np_spicontrol_ie_mask    = (1 << 8),
+  np_spicontrol_irrdy_mask = (1 << 7),
+  np_spicontrol_itrdy_mask = (1 << 6),
+  np_spicontrol_itoe_mask  = (1 << 4),
+  np_spicontrol_iroe_mask  = (1 << 3),
+  };
+
+// SPI Routines.
+int nr_spi_rxchar(np_spi *spiBase);
+int nr_spi_txchar(int i, np_spi *spiBase);
+
+
--- linux/include/asm-nios2nommu/statfs.h
+++ linux/include/asm-nios2nommu/statfs.h
@@ -0,0 +1,30 @@
+#ifndef _NIOS2NOMMU_STATFS_H
+#define _NIOS2NOMMU_STATFS_H
+
+/*--------------------------------------------------------------------
+ *
+ * include/asm-nios2nommu/statfs.h
+ *
+ * Derived from M68knommu
+ *
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * Jan/20/2004		dgt	    NiosII
+ *
+ ---------------------------------------------------------------------*/
+
+
+#include <asm-generic/statfs.h>
+
+#endif /* _NIOS2NOMMU_STATFS_H */
--- linux/include/asm-nios2nommu/stat.h
+++ linux/include/asm-nios2nommu/stat.h
@@ -0,0 +1,102 @@
+#ifndef _ASMNIOS2NOMMU_STAT_H
+#define _ASMNIOS2NOMMU_STAT_H
+
+/*--------------------------------------------------------------------
+ *
+ * include/asm-nios2nommu/stat.h
+ *
+ * Derived from various works, Alpha, ix86, M68K, Sparc, ...et al
+ *
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * Jan/20/2004		dgt	    NiosII
+ *
+ ---------------------------------------------------------------------*/
+
+
+struct __old_kernel_stat {
+	unsigned short st_dev;
+	unsigned short st_ino;
+	unsigned short st_mode;
+	unsigned short st_nlink;
+	unsigned short st_uid;
+	unsigned short st_gid;
+	unsigned short st_rdev;
+	unsigned long  st_size;
+	unsigned long  st_atime;
+	unsigned long  st_mtime;
+	unsigned long  st_ctime;
+};
+
+struct stat {
+	unsigned short st_dev;
+	unsigned short __pad1;
+	unsigned long st_ino;
+	unsigned short st_mode;
+	unsigned short st_nlink;
+	unsigned short st_uid;
+	unsigned short st_gid;
+	unsigned short st_rdev;
+	unsigned short __pad2;
+	unsigned long  st_size;
+	unsigned long  st_blksize;
+	unsigned long  st_blocks;
+	unsigned long  st_atime;
+	unsigned long  __unused1;
+	unsigned long  st_mtime;
+	unsigned long  __unused2;
+	unsigned long  st_ctime;
+	unsigned long  __unused3;
+	unsigned long  __unused4;
+	unsigned long  __unused5;
+};
+
+/* This matches struct stat64 in glibc2.1, hence the absolutely
+ * insane amounts of padding around dev_t's.
+ */
+struct stat64 {
+	unsigned long long	st_dev;
+	unsigned char	__pad1[4];
+
+#define STAT64_HAS_BROKEN_ST_INO	1
+	unsigned long	__st_ino;
+
+	unsigned int	st_mode;
+	unsigned int	st_nlink;
+
+	unsigned long	st_uid;
+	unsigned long	st_gid;
+
+	unsigned long long	st_rdev;
+	unsigned char	__pad3[4];
+
+	long long	st_size;
+	unsigned long	st_blksize;
+
+	unsigned long	__pad4;		/* future possible st_blocks high bits */
+	unsigned long	st_blocks;	/* Number 512-byte blocks allocated. */
+
+	unsigned long	st_atime;
+	unsigned long	st_atime_nsec;
+
+	unsigned long	st_mtime;
+	unsigned long	st_mtime_nsec;
+
+	unsigned long	st_ctime;
+	unsigned long	st_ctime_nsec;
+
+	unsigned long long	st_ino;
+};
+
+#endif
--- linux/include/asm-nios2nommu/string.h
+++ linux/include/asm-nios2nommu/string.h
@@ -0,0 +1,45 @@
+#ifndef __NIOS_STRING_H__
+#define __NIOS_STRING_H__
+
+/*--------------------------------------------------------------------
+ *
+ * include/asm-nios2nommu/string.h
+ *
+ * Derived from various works, Alpha, ix86, M68K, Sparc, ...et al
+ *
+ * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * Jan/20/2004		dgt	    NiosII
+ *
+ ---------------------------------------------------------------------*/
+
+
+#ifdef __KERNEL__ /* only set these up for kernel code */
+
+#define __HAVE_ARCH_MEMMOVE
+void * memmove(void * d, const void * s, size_t count);
+#define __HAVE_ARCH_MEMCPY
+extern void * memcpy(void *d, const void *s, size_t count);
+#define __HAVE_ARCH_MEMSET
+extern void * memset(void * s,int c,size_t count);
+
+#if 0
+#define __HAVE_ARCH_BCOPY
+#define __HAVE_ARCH_STRLEN
+#endif
+
+#endif /* KERNEL */
+
+#endif /* !(__NIOS_STRING_H__) */
--- linux/include/asm-nios2nommu/system.h
+++ linux/include/asm-nios2nommu/system.h
@@ -0,0 +1,172 @@
+/*
+ * Taken from the m68k.
+ *
+ * Copyright (C) 2004, Microtronix Datacom Ltd.
+ *
+ * All rights reserved.          
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef _NIOS2NOMMU_SYSTEM_H
+#define _NIOS2NOMMU_SYSTEM_H
+
+// #include <linux/config.h> /* get configuration macros */
+#include <linux/linkage.h>
+#include <asm/segment.h>
+#include <asm/entry.h>
+#include <asm/nios.h>
+
+/*
+ * switch_to(n) should switch tasks to task ptr, first checking that
+ * ptr isn't the current task, in which case it does nothing.  This
+ * also clears the TS-flag if the task we switched to has used the
+ * math co-processor latest.
+ */
+
+/*
+ */
+asmlinkage void resume(void);
+#define switch_to(prev,next,last)				\
+{								\
+  void *_last;							\
+  __asm__ __volatile__(						\
+  	"mov	r4, %1\n"					\
+	"mov	r5, %2\n"					\
+	"call	resume\n"					\
+	"mov	%0,r4\n"					\
+       : "=r" (_last)						\
+       : "r" (prev), "r" (next)					\
+       : "r4","r5","r7","r8","ra");	\
+  (last) = _last;						\
+}
+
+#define local_irq_enable() __asm__ __volatile__ (  \
+	"rdctl	r8, status\n"			   \
+	"ori	r8, r8, 1\n"			   \
+	"wrctl	status, r8\n"			   \
+	: : : "r8")	  
+
+#define local_irq_disable() __asm__ __volatile__ ( \
+	"rdctl	r8, status\n"			   \
+	"andi	r8, r8, 0xfffe\n"		   \
+	"wrctl	status, r8\n"			   \
+	: : : "r8")
+
+#define local_save_flags(x) __asm__ __volatile__ (	\
+	"rdctl	r8, status\n"				\
+	"mov	%0, r8\n"				\
+	:"=r" (x) : : "r8", "memory")
+
+#define local_irq_restore(x) __asm__ __volatile__ (	\
+	"mov	r8, %0\n"				\
+	"wrctl	status, r8\n"				\
+	: :"r" (x) : "memory")
+
+/* For spinlocks etc */
+#define local_irq_save(x) do { local_save_flags(x); local_irq_disable(); } while (0)
+
+#define	irqs_disabled()					\
+({							\
+	unsigned long flags;				\
+	local_save_flags(flags);			\
+	((flags & NIOS2_STATUS_PIE_MSK) == 0x0);	\
+})
+
+#define iret() __asm__ __volatile__ ("eret": : :"memory", "ea")
+
+/*
+ * Force strict CPU ordering.
+ * Not really required on m68k...
+ */
+#define nop()  asm volatile ("nop"::)
+#define mb()   asm volatile (""   : : :"memory")
+#define rmb()  asm volatile (""   : : :"memory")
+#define wmb()  asm volatile (""   : : :"memory")
+#define set_rmb(var, value)    do { xchg(&var, value); } while (0)
+#define set_mb(var, value)     set_rmb(var, value)
+#define set_wmb(var, value)    do { var = value; wmb(); } while (0)
+
+#ifdef CONFIG_SMP
+#define smp_mb()	mb()
+#define smp_rmb()	rmb()
+#define smp_wmb()	wmb()
+#define smp_read_barrier_depends()	read_barrier_depends()
+#else
+#define smp_mb()	barrier()
+#define smp_rmb()	barrier()
+#define smp_wmb()	barrier()
+#define smp_read_barrier_depends()	do { } while(0)
+#endif
+
+#define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
+#define tas(ptr) (xchg((ptr),1))
+
+struct __xchg_dummy { unsigned long a[100]; };
+#define __xg(x) ((volatile struct __xchg_dummy *)(x))
+
+static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int size)
+{
+  unsigned long tmp, flags;
+
+  local_irq_save(flags);
+
+  switch (size) {
+  case 1:
+    __asm__ __volatile__( \
+      "ldb	%0, %2\n" \
+      "stb	%1, %2\n" \
+    : "=&r" (tmp) : "r" (x), "m" (*__xg(ptr)) : "memory");
+    break;
+  case 2:
+    __asm__ __volatile__( \
+      "ldh	%0, %2\n" \
+      "sth	%1, %2\n" \
+    : "=&r" (tmp) : "r" (x), "m" (*__xg(ptr)) : "memory");
+    break;
+  case 4:
+    __asm__ __volatile__( \
+      "ldw	%0, %2\n" \
+      "stw	%1, %2\n" \
+    : "=&r" (tmp) : "r" (x), "m" (*__xg(ptr)) : "memory");
+    break;
+  }
+  local_irq_restore(flags);
+  return tmp;
+}
+
+/*
+ * Atomic compare and exchange.  Compare OLD with MEM, if identical,
+ * store NEW in MEM.  Return the initial value in MEM.  Success is
+ * indicated by comparing RETURN with OLD.
+ */
+#define __HAVE_ARCH_CMPXCHG	1
+
+static __inline__ unsigned long
+cmpxchg(volatile int *p, int old, int new)
+{
+	unsigned long flags;
+	int prev;
+
+	local_irq_save(flags);
+	if ((prev = *p) == old)
+		*p = new;
+	local_irq_restore(flags);
+	return(prev);
+}
+
+#endif /* _NIOS2NOMMU_SYSTEM_H */
--- linux/include/asm-nios2nommu/termbits.h
+++ linux/include/asm-nios2nommu/termbits.h
@@ -0,0 +1,199 @@
+#ifndef __ARCH_NIOS_TERMBITS_H__
+#define __ARCH_NIOS_TERMBITS_H__
+
+/*--------------------------------------------------------------------
+ *
+ * include/asm-nios2nommu/termbits.h
+ *
+ * Derived from various works, Alpha, ix86, M68K, Sparc, ...et al
+ *
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * Jan/20/2004		dgt	    NiosII
+ *
+ ---------------------------------------------------------------------*/
+
+
+#include <linux/posix_types.h>
+
+typedef unsigned char	cc_t;
+typedef unsigned int	speed_t;
+typedef unsigned int	tcflag_t;
+
+#define NCCS 19
+struct termios {
+	tcflag_t c_iflag;		/* input mode flags */
+	tcflag_t c_oflag;		/* output mode flags */
+	tcflag_t c_cflag;		/* control mode flags */
+	tcflag_t c_lflag;		/* local mode flags */
+	cc_t c_line;			/* line discipline */
+	cc_t c_cc[NCCS];		/* control characters */
+};
+
+/* c_cc characters */
+#define VINTR 0
+#define VQUIT 1
+#define VERASE 2
+#define VKILL 3
+#define VEOF 4
+#define VTIME 5
+#define VMIN 6
+#define VSWTC 7
+#define VSTART 8
+#define VSTOP 9
+#define VSUSP 10
+#define VEOL 11
+#define VREPRINT 12
+#define VDISCARD 13
+#define VWERASE 14
+#define VLNEXT 15
+#define VEOL2 16
+
+
+/* c_iflag bits */
+#define IGNBRK	0000001
+#define BRKINT	0000002
+#define IGNPAR	0000004
+#define PARMRK	0000010
+#define INPCK	0000020
+#define ISTRIP	0000040
+#define INLCR	0000100
+#define IGNCR	0000200
+#define ICRNL	0000400
+#define IUCLC	0001000
+#define IXON	0002000
+#define IXANY	0004000
+#define IXOFF	0010000
+#define IMAXBEL	0020000
+#define IUTF8	0040000
+
+/* c_oflag bits */
+#define OPOST	0000001
+#define OLCUC	0000002
+#define ONLCR	0000004
+#define OCRNL	0000010
+#define ONOCR	0000020
+#define ONLRET	0000040
+#define OFILL	0000100
+#define OFDEL	0000200
+#define NLDLY	0000400
+#define   NL0	0000000
+#define   NL1	0000400
+#define CRDLY	0003000
+#define   CR0	0000000
+#define   CR1	0001000
+#define   CR2	0002000
+#define   CR3	0003000
+#define TABDLY	0014000
+#define   TAB0	0000000
+#define   TAB1	0004000
+#define   TAB2	0010000
+#define   TAB3	0014000
+#define   XTABS	0014000
+#define BSDLY	0020000
+#define   BS0	0000000
+#define   BS1	0020000
+#define VTDLY	0040000
+#define   VT0	0000000
+#define   VT1	0040000
+#define FFDLY	0100000
+#define   FF0	0000000
+#define   FF1	0100000
+
+/* c_cflag bit meaning */
+#define CBAUD	0010017
+#define  B0	0000000		/* hang up */
+#define  B50	0000001
+#define  B75	0000002
+#define  B110	0000003
+#define  B134	0000004
+#define  B150	0000005
+#define  B200	0000006
+#define  B300	0000007
+#define  B600	0000010
+#define  B1200	0000011
+#define  B1800	0000012
+#define  B2400	0000013
+#define  B4800	0000014
+#define  B9600	0000015
+#define  B19200	0000016
+#define  B38400	0000017
+#define EXTA B19200
+#define EXTB B38400
+#define CSIZE	0000060
+#define   CS5	0000000
+#define   CS6	0000020
+#define   CS7	0000040
+#define   CS8	0000060
+#define CSTOPB	0000100
+#define CREAD	0000200
+#define PARENB	0000400
+#define PARODD	0001000
+#define HUPCL	0002000
+#define CLOCAL	0004000
+#define CBAUDEX 0010000
+#define    B57600 0010001
+#define   B115200 0010002
+#define   B230400 0010003
+#define   B460800 0010004
+#define   B500000 0010005
+#define   B576000 0010006
+#define   B921600 0010007
+#define  B1000000 0010010
+#define  B1152000 0010011
+#define  B1500000 0010012
+#define  B2000000 0010013
+#define  B2500000 0010014
+#define  B3000000 0010015
+#define  B3500000 0010016
+#define  B4000000 0010017
+#define CIBAUD	  002003600000	/* input baud rate (not used) */
+#define CMSPAR	  010000000000		/* mark or space (stick) parity */
+#define CRTSCTS	  020000000000		/* flow control */
+
+/* c_lflag bits */
+#define ISIG	0000001
+#define ICANON	0000002
+#define XCASE	0000004
+#define ECHO	0000010
+#define ECHOE	0000020
+#define ECHOK	0000040
+#define ECHONL	0000100
+#define NOFLSH	0000200
+#define TOSTOP	0000400
+#define ECHOCTL	0001000
+#define ECHOPRT	0002000
+#define ECHOKE	0004000
+#define FLUSHO	0010000
+#define PENDIN	0040000
+#define IEXTEN	0100000
+
+
+/* tcflow() and TCXONC use these */
+#define	TCOOFF		0
+#define	TCOON		1
+#define	TCIOFF		2
+#define	TCION		3
+
+/* tcflush() and TCFLSH use these */
+#define	TCIFLUSH	0
+#define	TCOFLUSH	1
+#define	TCIOFLUSH	2
+
+/* tcsetattr uses these */
+#define	TCSANOW		0
+#define	TCSADRAIN	1
+#define	TCSAFLUSH	2
+
+#endif /* __ARCH_NIOS_TERMBITS_H__ */
--- linux/include/asm-nios2nommu/termios.h
+++ linux/include/asm-nios2nommu/termios.h
@@ -0,0 +1,132 @@
+#ifndef _NIOS_TERMIOS_H
+#define _NIOS_TERMIOS_H
+
+/*--------------------------------------------------------------------
+ *
+ * include/asm-nios2nommu/termios.h
+ *
+ * Derived from various works, Alpha, ix86, M68K, Sparc, ...et al
+ *
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * Jan/20/2004		dgt	    NiosII
+ *
+ ---------------------------------------------------------------------*/
+
+
+#include <asm/termbits.h>
+#include <asm/ioctls.h>
+ 
+struct winsize {
+	unsigned short ws_row;
+	unsigned short ws_col;
+	unsigned short ws_xpixel;
+	unsigned short ws_ypixel;
+};
+
+#define NCC 8
+struct termio {
+	unsigned short c_iflag;		/* input mode flags */
+	unsigned short c_oflag;		/* output mode flags */
+	unsigned short c_cflag;		/* control mode flags */
+	unsigned short c_lflag;		/* local mode flags */
+	unsigned char c_line;		/* line discipline */
+	unsigned char c_cc[NCC];	/* control characters */
+};
+
+#ifdef __KERNEL__
+/*	intr=^C		quit=^|		erase=del	kill=^U
+	eof=^D		vtime=\0	vmin=\1		sxtc=\0
+	start=^Q	stop=^S		susp=^Z		eol=\0
+	reprint=^R	discard=^U	werase=^W	lnext=^V
+	eol2=\0
+*/
+#define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0"
+#endif
+
+/* modem lines */
+#define TIOCM_LE	0x001
+#define TIOCM_DTR	0x002
+#define TIOCM_RTS	0x004
+#define TIOCM_ST	0x008
+#define TIOCM_SR	0x010
+#define TIOCM_CTS	0x020
+#define TIOCM_CAR	0x040
+#define TIOCM_RNG	0x080
+#define TIOCM_DSR	0x100
+#define TIOCM_CD	TIOCM_CAR
+#define TIOCM_RI	TIOCM_RNG
+#define TIOCM_OUT1	0x2000
+#define TIOCM_OUT2	0x4000
+#define TIOCM_LOOP	0x8000
+
+/* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */
+
+/* line disciplines */
+#define N_TTY		0
+#define N_SLIP		1
+#define N_MOUSE		2
+#define N_PPP		3
+#define N_STRIP		4
+#define N_AX25		5
+#define N_X25		6	/* X.25 async */
+#define N_6PACK		7
+#define N_MASC		8	/* Reserved for Mobitex module <kaz@cafe.net> */
+#define N_R3964		9	/* Reserved for Simatic R3964 module */
+#define N_PROFIBUS_FDL	10	/* Reserved for Profibus <Dave@mvhi.com> */
+#define N_IRDA		11	/* Linux IrDa - http://irda.sourceforge.net/ */
+#define N_SMSBLOCK	12	/* SMS block mode - for talking to GSM data cards about SMS messages */
+#define N_HDLC		13	/* synchronous HDLC */
+#define N_SYNC_PPP	14
+#define N_HCI		15  /* Bluetooth HCI UART */
+
+#ifdef __KERNEL__
+
+/*
+ * Translate a "termio" structure into a "termios". Ugh.
+ */
+#define user_termio_to_kernel_termios(termios, termio) \
+({ \
+	unsigned short tmp; \
+	get_user(tmp, &(termio)->c_iflag); \
+	(termios)->c_iflag = (0xffff0000 & ((termios)->c_iflag)) | tmp; \
+	get_user(tmp, &(termio)->c_oflag); \
+	(termios)->c_oflag = (0xffff0000 & ((termios)->c_oflag)) | tmp; \
+	get_user(tmp, &(termio)->c_cflag); \
+	(termios)->c_cflag = (0xffff0000 & ((termios)->c_cflag)) | tmp; \
+	get_user(tmp, &(termio)->c_lflag); \
+	(termios)->c_lflag = (0xffff0000 & ((termios)->c_lflag)) | tmp; \
+	get_user((termios)->c_line, &(termio)->c_line); \
+	copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \
+})
+
+/*
+ * Translate a "termios" structure into a "termio". Ugh.
+ */
+#define kernel_termios_to_user_termio(termio, termios) \
+({ \
+	put_user((termios)->c_iflag, &(termio)->c_iflag); \
+	put_user((termios)->c_oflag, &(termio)->c_oflag); \
+	put_user((termios)->c_cflag, &(termio)->c_cflag); \
+	put_user((termios)->c_lflag, &(termio)->c_lflag); \
+	put_user((termios)->c_line,  &(termio)->c_line); \
+	copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \
+})
+
+#define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios))
+#define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios))
+
+#endif	/* __KERNEL__ */
+
+#endif /* _NIOS_TERMIOS_H */
--- linux/include/asm-nios2nommu/thread_info.h
+++ linux/include/asm-nios2nommu/thread_info.h
@@ -0,0 +1,127 @@
+/* thread_info.h: niosnommu low-level thread information
+ * adapted from the m68knommu
+ *
+ * Copyright (C) 2004 Microtronix Datacom Ltd.
+ * Copyright (C) 2002 Microtronix Datacom 
+ *
+ * - Incorporating suggestions made by Linus Torvalds and Dave Miller
+ *
+ * All rights reserved.          
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef _ASM_THREAD_INFO_H
+#define _ASM_THREAD_INFO_H
+
+#include <asm/page.h>
+
+#ifdef __KERNEL__
+
+#ifndef __ASSEMBLY__
+
+/*
+ * low level task data.
+ */
+struct thread_info {
+	struct task_struct *task;		/* main task structure */
+	struct exec_domain *exec_domain;	/* execution domain */
+	unsigned long	   flags;		/* low level flags */
+	int		   cpu;			/* cpu we're on */
+	int		   preempt_count;	/* 0 => preemptable, <0 => BUG*/
+	struct restart_block restart_block;
+};
+
+/*
+ * macros/functions for gaining access to the thread information structure
+ */
+#define INIT_THREAD_INFO(tsk)			\
+{						\
+	.task		= &tsk,			\
+	.exec_domain	= &default_exec_domain,	\
+	.flags		= 0,			\
+	.cpu		= 0,			\
+	.preempt_count	= 1,			\
+	.restart_block	= {			\
+		.fn = do_no_restart_syscall,	\
+	},					\
+}
+
+#define init_thread_info	(init_thread_union.thread_info)
+#define init_stack		(init_thread_union.stack)
+
+
+/* how to get the thread information struct from C
+   usable only in supervisor mode */
+static inline struct thread_info *current_thread_info(void)
+{
+	struct thread_info *ti;
+	__asm__ __volatile__(
+		"mov	%0, sp\n"
+		"and	%0, %0, %1\n"
+		: "=&r"(ti)
+		: "r" (~(THREAD_SIZE-1))
+		);
+	return ti;
+}
+
+/* thread information allocation */
+#define alloc_thread_info(tsk) ((struct thread_info *) \
+				__get_free_pages(GFP_KERNEL, 1))
+#define free_thread_info(ti)	free_pages((unsigned long) (ti), 1)
+#define put_thread_info(ti)	put_task_struct((ti)->task)
+
+#define	PREEMPT_ACTIVE	0x4000000
+
+/*
+ * thread information flag bit numbers
+ */
+#define TIF_SYSCALL_TRACE 	0	/* syscall trace active */
+#define TIF_NOTIFY_RESUME 	1	/* resumption notification requested */
+#define TIF_SIGPENDING	  	2	/* signal pending */
+#define TIF_NEED_RESCHED  	3	/* rescheduling necessary */
+#define TIF_POLLING_NRFLAG	4	/* true if poll_idle() is polling
+					   TIF_NEED_RESCHED */
+#define TIF_MEMDIE		5
+
+/* as above, but as bit values */
+#define _TIF_SYSCALL_TRACE	(1<<TIF_SYSCALL_TRACE)
+#define _TIF_NOTIFY_RESUME	(1<<TIF_NOTIFY_RESUME)
+#define _TIF_SIGPENDING		(1<<TIF_SIGPENDING)
+#define _TIF_NEED_RESCHED	(1<<TIF_NEED_RESCHED)
+#define _TIF_POLLING_NRFLAG	(1<<TIF_POLLING_NRFLAG)
+
+#define _TIF_WORK_MASK		0x0000FFFE	/* work to do on interrupt/exception return */
+
+#else /* __ASSEMBLY__ */
+
+/* how to get the thread information struct from ASM 
+   usable only in supervisor mode */
+.macro GET_THREAD_INFO reg 
+.if THREAD_SIZE & 0xffff0000
+	andhi	\reg, sp, %hi(~(THREAD_SIZE-1))
+.else
+	addi	\reg, r0, %lo(~(THREAD_SIZE-1))
+	and	\reg, \reg, sp
+.endif
+.endm
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* __KERNEL__ */
+
+#endif /* _ASM_THREAD_INFO_H */
--- linux/include/asm-nios2nommu/timer_struct.h
+++ linux/include/asm-nios2nommu/timer_struct.h
@@ -0,0 +1,38 @@
+
+// ----------------------------------------------
+// Timer Peripheral
+
+// Timer Registers
+typedef volatile struct
+	{
+	int np_timerstatus;  // read only, 2 bits (any write to clear TO)
+	int np_timercontrol; // write/readable, 4 bits
+	int np_timerperiodl; // write/readable, 16 bits
+	int np_timerperiodh; // write/readable, 16 bits
+	int np_timersnapl;   // read only, 16 bits
+	int np_timersnaph;   // read only, 16 bits
+	} np_timer;
+
+// Timer Register Bits
+enum
+	{
+	np_timerstatus_run_bit    = 1, // timer is running
+	np_timerstatus_to_bit     = 0, // timer has timed out
+
+	np_timercontrol_stop_bit  = 3, // stop the timer
+	np_timercontrol_start_bit = 2, // start the timer
+	np_timercontrol_cont_bit  = 1, // continous mode
+	np_timercontrol_ito_bit   = 0, // enable time out interrupt
+
+	np_timerstatus_run_mask    = (1<<1), // timer is running
+	np_timerstatus_to_mask     = (1<<0), // timer has timed out
+
+	np_timercontrol_stop_mask  = (1<<3), // stop the timer
+	np_timercontrol_start_mask = (1<<2), // start the timer
+	np_timercontrol_cont_mask  = (1<<1), // continous mode
+	np_timercontrol_ito_mask   = (1<<0)  // enable time out interrupt
+	};
+
+// Timer Routines
+int nr_timer_milliseconds(void);	// Starts on first call, hogs timer1.
+
--- linux/include/asm-nios2nommu/timex.h
+++ linux/include/asm-nios2nommu/timex.h
@@ -0,0 +1,48 @@
+#ifndef _ASMNIOS2NOMMU_TIMEX_H
+#define _ASMNIOS2NOMMU_TIMEX_H
+
+/*--------------------------------------------------------------------
+ *
+ * include/asm-nios2nommu/timex.h
+ *
+ * timex specifications
+ *
+ * Derived from various works, Alpha, ix86, M68K, Sparc, ...et al
+ *
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * Jan/20/2004		dgt	    NiosII
+ *
+ ---------------------------------------------------------------------*/
+
+
+#include <asm/nios.h>
+
+
+#define CLOCK_TICK_RATE	nasys_clock_freq /* Underlying HZ */
+
+#define CLOCK_TICK_FACTOR	20	/* Factor of both 1000000 and CLOCK_TICK_RATE */
+
+#define FINETUNE ((((((long)LATCH * HZ - CLOCK_TICK_RATE) << SHIFT_HZ) * \
+	(1000000/CLOCK_TICK_FACTOR) / (CLOCK_TICK_RATE/CLOCK_TICK_FACTOR)) \
+		<< (SHIFT_SCALE-SHIFT_HZ)) / HZ)
+
+typedef unsigned long cycles_t;
+
+static inline cycles_t get_cycles(void)
+{
+	return 0;
+}
+
+#endif
--- linux/include/asm-nios2nommu/tlbflush.h
+++ linux/include/asm-nios2nommu/tlbflush.h
@@ -0,0 +1,86 @@
+#ifndef _NIOS2NOMMU_TLBFLUSH_H
+#define _NIOS2NOMMU_TLBFLUSH_H
+
+/*--------------------------------------------------------------------
+ *
+ * include/asm-nios2nommu/tlbflush.h
+ *
+ * Ported from m68knommu.
+ *
+ * Copyright (C) 2003 Microtronix Datacom Ltd.
+ *
+ * All rights reserved.          
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ *
+ * Jan/20/2004		dgt	    NiosII
+ *
+ ---------------------------------------------------------------------*/
+
+#include <asm/setup.h>
+
+/*
+ * flush all user-space atc entries.
+ */
+static inline void __flush_tlb(void)
+{
+	BUG();
+}
+
+static inline void __flush_tlb_one(unsigned long addr)
+{
+	BUG();
+}
+
+#define flush_tlb() __flush_tlb()
+
+/*
+ * flush all atc entries (both kernel and user-space entries).
+ */
+static inline void flush_tlb_all(void)
+{
+	BUG();
+}
+
+static inline void flush_tlb_mm(struct mm_struct *mm)
+{
+	BUG();
+}
+
+static inline void flush_tlb_page(struct vm_area_struct *vma, unsigned long addr)
+{
+	BUG();
+}
+
+static inline void flush_tlb_range(struct mm_struct *mm,
+				   unsigned long start, unsigned long end)
+{
+	BUG();
+}
+
+extern inline void flush_tlb_kernel_page(unsigned long addr)
+{
+	BUG();
+}
+
+extern inline void flush_tlb_pgtables(struct mm_struct *mm,
+				      unsigned long start, unsigned long end)
+{
+	BUG();
+}
+
+#endif /* _NIOS2NOMMU_TLBFLUSH_H */
--- linux/include/asm-nios2nommu/tlb.h
+++ linux/include/asm-nios2nommu/tlb.h
@@ -0,0 +1,35 @@
+#ifndef __NIOS_TLB_H__
+#define __NIOS_TLB_H__
+
+/*--------------------------------------------------------------------
+ *
+ * include/asm-nios2nommu/tlb.h
+ *
+ * Derived from various works, Alpha, ix86, M68K, Sparc, ...et al
+ *
+ *  Copyright (C) 2003  Microtronix Datacom Ltd
+ *  Copyright (C) 2002  NEC Corporation
+ *  Copyright (C) 2002  Miles Bader <miles@gnu.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * Written by Miles Bader <miles@gnu.org>
+ * Jan/20/2004		dgt	    NiosII
+ *
+ ---------------------------------------------------------------------*/
+
+#define tlb_flush(tlb)	((void)0)
+
+#include <asm-generic/tlb.h>
+
+#endif /* __NIOS_TLB_H__ */
+
--- linux/include/asm-nios2nommu/topology.h
+++ linux/include/asm-nios2nommu/topology.h
@@ -0,0 +1,30 @@
+#ifndef _ASM_NIOS2NOMMU_TOPOLOGY_H
+#define _ASM_NIOS2NOMMU_TOPOLOGY_H
+
+/*--------------------------------------------------------------------
+ *
+ * include/asm-nios2nommu/topology.h
+ *
+ * Derived from various works, Alpha, ix86, M68K, Sparc, ...et al
+ *
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * Jan/20/2004		dgt	    NiosII
+ *
+ ---------------------------------------------------------------------*/
+
+
+#include <asm-generic/topology.h>
+
+#endif /* _ASM_NIOS2NOMMU_TOPOLOGY_H */
--- linux/include/asm-nios2nommu/traps.h
+++ linux/include/asm-nios2nommu/traps.h
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2004, Microtronix Datacom Ltd.
+ *
+ * All rights reserved.          
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+#ifndef _NIOS2_TRAPS_H
+#define _NIOS2_TRAPS_H
+
+#define TRAP_ID_SYSCALL 0
+#define TRAP_ID_APPDEBUG 1
+#endif /* !(_NIOS2_TRAPS_H) */
--- linux/include/asm-nios2nommu/types.h
+++ linux/include/asm-nios2nommu/types.h
@@ -0,0 +1,93 @@
+#ifndef _NIOS_TYPES_H
+#define _NIOS_TYPES_H
+
+/*--------------------------------------------------------------------
+ *
+ * include/asm-nios2nommu/types.h
+ *
+ * Derived from m68knommu
+ *
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * Jan/20/2004		dgt	    NiosII
+ *
+ ---------------------------------------------------------------------*/
+
+
+/*
+ * This file is never included by application software unless
+ * explicitly requested (e.g., via linux/types.h) in which case the
+ * application is Linux specific so (user-) name space pollution is
+ * not a major issue.  However, for interoperability, libraries still
+ * need to be careful to avoid a name clashes.
+ */
+
+#ifndef __ASSEMBLY__
+
+typedef unsigned short umode_t;
+
+/*
+ * __xx is ok: it doesn't pollute the POSIX namespace. Use these in the
+ * header files exported to user space
+ */
+
+typedef __signed__ char __s8;
+typedef unsigned char __u8;
+
+typedef __signed__ short __s16;
+typedef unsigned short __u16;
+
+typedef __signed__ int __s32;
+typedef unsigned int __u32;
+
+#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
+typedef __signed__ long long __s64;
+typedef unsigned long long __u64;
+#endif
+
+#endif /* __ASSEMBLY__ */
+
+/*
+ * These aren't exported outside the kernel to avoid name space clashes
+ */
+#ifdef __KERNEL__
+
+#define BITS_PER_LONG 32
+
+#ifndef __ASSEMBLY__
+
+typedef signed char s8;
+typedef unsigned char u8;
+
+typedef signed short s16;
+typedef unsigned short u16;
+
+typedef signed int s32;
+typedef unsigned int u32;
+
+typedef signed long long s64;
+typedef unsigned long long u64;
+
+/* DMA addresses are always 32-bits wide */
+
+typedef u32 dma_addr_t;
+typedef u32 dma64_addr_t;
+
+typedef unsigned short kmem_bufctl_t;
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* __KERNEL__ */
+
+#endif /* _NIOS_TYPES_H */
--- linux/include/asm-nios2nommu/uaccess.h
+++ linux/include/asm-nios2nommu/uaccess.h
@@ -0,0 +1,183 @@
+#ifndef __NIOS2NOMMU_UACCESS_H
+#define __NIOS2NOMMU_UACCESS_H
+
+/*--------------------------------------------------------------------
+ *
+ * asm-nios2nommu/uaccess.h
+ *
+ * User space memory access functions
+ *
+ * Derived from various works, Alpha, ix86, M68K, Sparc, ...et al
+ *
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * Ported from asm-m68knommu/uaccess.h --wentao
+ * Jan/20/2004		dgt	    NiosII
+ *
+ ---------------------------------------------------------------------*/
+
+
+#include <linux/sched.h>
+#include <linux/mm.h>
+#include <asm/segment.h>
+#include <asm/nios.h>
+
+#define VERIFY_READ	0
+#define VERIFY_WRITE	1
+
+#define access_ok(type,addr,size)	_access_ok((unsigned long)(addr),(size))
+
+static inline int _access_ok(unsigned long addr, unsigned long size)
+{
+	return (((unsigned long)addr < (unsigned long)nasys_program_mem_end) &&
+		(((unsigned long)addr >= (unsigned long)nasys_program_mem)));
+}
+
+extern inline int verify_area(int type, const void * addr, unsigned long size)
+{
+	return access_ok(type,addr,size)?0:-EFAULT;
+}
+
+/*
+ * The exception table consists of pairs of addresses: the first is the
+ * address of an instruction that is allowed to fault, and the second is
+ * the address at which the program should continue.  No registers are
+ * modified, so it is entirely up to the continuation code to figure out
+ * what to do.
+ *
+ * All the routines below use bits of fixup code that are out of line
+ * with the main instruction path.  This means when everything is well,
+ * we don't even have to jump over them.  Further, they do not intrude
+ * on our cache or tlb entries.
+ */
+
+#define ARCH_HAS_SEARCH_EXTABLE
+//;dgt2;tmp;
+
+struct exception_table_entry
+{
+	unsigned long insn, fixup;
+};
+
+/* Returns 0 if exception not found and fixup otherwise.  */
+extern unsigned long search_exception_table(unsigned long);
+
+
+/*
+ * These are the main single-value transfer routines.  They automatically
+ * use the right size if we just have the right pointer type.
+ */
+
+#define put_user(x, ptr)				\
+({							\
+    int __pu_err = 0;					\
+    typeof(*(ptr)) __pu_val = (x);			\
+    switch (sizeof (*(ptr))) {				\
+    case 1:						\
+    case 2:						\
+    case 4:						\
+    case 8:						\
+	memcpy(ptr, &__pu_val, sizeof (*(ptr))); \
+	break;						\
+    default:						\
+	__pu_err = __put_user_bad();			\
+	break;						\
+    }							\
+    __pu_err;						\
+})
+#define __put_user(x, ptr) put_user(x, ptr)
+
+extern int __put_user_bad(void);
+
+/*
+ * Tell gcc we read from memory instead of writing: this is because
+ * we do not write to any memory gcc knows about, so there are no
+ * aliasing issues.
+ */
+
+#define __ptr(x) ((unsigned long *)(x))
+
+#define get_user(x, ptr)					\
+({								\
+    int __gu_err = 0;						\
+    typeof(*(ptr)) __gu_val = 0;				\
+    switch (sizeof(*(ptr))) {					\
+    case 1:						\
+    case 2:						\
+    case 4:						\
+    case 8:						\
+	memcpy(&__gu_val, ptr, sizeof (*(ptr))); \
+	break;							\
+    default:							\
+	__gu_val = 0;						\
+	__gu_err = __get_user_bad();				\
+	break;							\
+    }								\
+    (x) = __gu_val;						\
+    __gu_err;							\
+})
+#define __get_user(x, ptr) get_user(x, ptr)
+
+extern int __get_user_bad(void);
+
+#define copy_from_user(to, from, n)		(memcpy(to, from, n), 0)
+#define copy_to_user(to, from, n)		(memcpy(to, from, n), 0)
+
+#define __copy_from_user(to, from, n) copy_from_user(to, from, n)
+#define __copy_to_user(to, from, n) copy_to_user(to, from, n)
+#define __copy_to_user_inatomic __copy_to_user
+#define __copy_from_user_inatomic __copy_from_user
+
+#define copy_to_user_ret(to,from,n,retval) ({ if (copy_to_user(to,from,n)) return retval; })
+
+#define copy_from_user_ret(to,from,n,retval) ({ if (copy_from_user(to,from,n)) return retval; })
+
+/*
+ * Copy a null terminated string from userspace.
+ */
+
+static inline long
+strncpy_from_user(char *dst, const char *src, long count)
+{
+	char *tmp;
+	strncpy(dst, src, count);
+	for (tmp = dst; *tmp && count > 0; tmp++, count--)
+		;
+	return(tmp - dst); /* DAVIDM should we count a NUL ?  check getname */
+}
+
+/*
+ * Return the size of a string (including the ending 0)
+ *
+ * Return 0 on exception, a value greater than N if too long
+ */
+static inline long strnlen_user(const char *src, long n)
+{
+	return(strlen(src) + 1); /* DAVIDM make safer */
+}
+
+#define strlen_user(str) strnlen_user(str, 32767)
+
+/*
+ * Zero Userspace
+ */
+
+static inline unsigned long
+clear_user(void *to, unsigned long n)
+{
+	memset(to, 0, n);
+    return(0);
+}
+
+#endif /* _NIOS2NOMMU_UACCESS_H */
--- linux/include/asm-nios2nommu/uart_struct.h
+++ linux/include/asm-nios2nommu/uart_struct.h
@@ -0,0 +1,83 @@
+
+// UART Registers
+typedef volatile struct
+	{
+	int np_uartrxdata;      // Read-only, 8-bit
+	int np_uarttxdata;      // Write-only, 8-bit
+	int np_uartstatus;      // Read-only, 8-bit
+	int np_uartcontrol;     // Read/Write, 9-bit
+	int np_uartdivisor;     // Read/Write, 16-bit, optional
+	int np_uartendofpacket; // Read/Write, end-of-packet character
+	} np_uart;
+
+// UART Status Register Bits
+enum
+	{
+	np_uartstatus_eop_bit  = 12,
+	np_uartstatus_cts_bit  = 11,
+	np_uartstatus_dcts_bit = 10,
+	np_uartstatus_e_bit    = 8,
+	np_uartstatus_rrdy_bit = 7,
+	np_uartstatus_trdy_bit = 6,
+	np_uartstatus_tmt_bit  = 5,
+	np_uartstatus_toe_bit  = 4,
+	np_uartstatus_roe_bit  = 3,
+	np_uartstatus_brk_bit  = 2,
+	np_uartstatus_fe_bit   = 1,
+	np_uartstatus_pe_bit   = 0,
+
+	np_uartstatus_eop_mask  = (1<<12),
+	np_uartstatus_cts_mask  = (1<<11),
+	np_uartstatus_dcts_mask = (1<<10),
+	np_uartstatus_e_mask    = (1<<8),
+	np_uartstatus_rrdy_mask = (1<<7),
+	np_uartstatus_trdy_mask = (1<<6),
+	np_uartstatus_tmt_mask  = (1<<5),
+	np_uartstatus_toe_mask  = (1<<4),
+	np_uartstatus_roe_mask  = (1<<3),
+	np_uartstatus_brk_mask  = (1<<2),
+	np_uartstatus_fe_mask   = (1<<1),
+	np_uartstatus_pe_mask   = (1<<0)
+	};
+
+// UART Control Register Bits
+enum
+	{
+	np_uartcontrol_ieop_bit  = 12,
+	np_uartcontrol_rts_bit   = 11,
+	np_uartcontrol_idcts_bit = 10,
+	np_uartcontrol_tbrk_bit  = 9,
+	np_uartcontrol_ie_bit    = 8,
+	np_uartcontrol_irrdy_bit = 7,
+	np_uartcontrol_itrdy_bit = 6,
+	np_uartcontrol_itmt_bit  = 5,
+	np_uartcontrol_itoe_bit  = 4,
+	np_uartcontrol_iroe_bit  = 3,
+	np_uartcontrol_ibrk_bit  = 2,
+	np_uartcontrol_ife_bit   = 1,
+	np_uartcontrol_ipe_bit   = 0,
+
+	np_uartcontrol_ieop_mask  = (1<<12),
+	np_uartcontrol_rts_mask   = (1<<11),
+	np_uartcontrol_idcts_mask = (1<<10),
+	np_uartcontrol_tbrk_mask  = (1<<9),
+	np_uartcontrol_ie_mask    = (1<<8),
+	np_uartcontrol_irrdy_mask = (1<<7),
+	np_uartcontrol_itrdy_mask = (1<<6),
+	np_uartcontrol_itmt_mask  = (1<<5),
+	np_uartcontrol_itoe_mask  = (1<<4),
+	np_uartcontrol_iroe_mask  = (1<<3),
+	np_uartcontrol_ibrk_mask  = (1<<2),
+	np_uartcontrol_ife_mask   = (1<<1),
+	np_uartcontrol_ipe_mask   = (1<<0)
+	};
+
+// UART Routines
+int nr_uart_rxchar(np_uart *uartBase);        // 0 for default UART
+void nr_uart_txcr(void);
+void nr_uart_txchar(int c,np_uart *uartBase); // 0 for default UART
+void nr_uart_txhex(int x);                     // 16 or 32 bits
+void nr_uart_txhex16(short x);
+void nr_uart_txhex32(long x);
+void nr_uart_txstring(char *s);
+
--- linux/include/asm-nios2nommu/ucontext.h
+++ linux/include/asm-nios2nommu/ucontext.h
@@ -0,0 +1,63 @@
+#ifndef _NIOSKNOMMU_UCONTEXT_H
+#define _NIOSKNOMMU_UCONTEXT_H
+
+/*--------------------------------------------------------------------
+ *
+ * include/asm-nios2nommu/ucontext.h
+ *
+ * Derived from M68knommu
+ *
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * Jan/20/2004		dgt	    NiosII
+ *
+ ---------------------------------------------------------------------*/
+
+
+typedef int greg_t;
+#define NGREG 32
+typedef greg_t gregset_t[NGREG];
+
+#ifdef CONFIG_FPU
+typedef struct fpregset {
+	int f_pcr;
+	int f_psr;
+	int f_fpiaddr;
+	int f_fpregs[8][3];
+} fpregset_t;
+#endif
+
+struct mcontext {
+	int version;
+	int status_extension;
+	gregset_t gregs;
+#ifdef CONFIG_FPU
+	fpregset_t fpregs;
+#endif
+};
+
+#define MCONTEXT_VERSION 2
+
+struct ucontext {
+	unsigned long	  uc_flags;
+	struct ucontext  *uc_link;
+	stack_t		  uc_stack;
+	struct mcontext	  uc_mcontext;
+#ifdef CONFIG_FPU
+	unsigned long	  uc_filler[80];
+#endif
+	sigset_t	  uc_sigmask;	/* mask last for extensibility */
+};
+
+#endif
--- linux/include/asm-nios2nommu/unaligned.h
+++ linux/include/asm-nios2nommu/unaligned.h
@@ -0,0 +1,43 @@
+#ifndef __NIOS_UNALIGNED_H
+#define __NIOS_UNALIGNED_H
+
+/*--------------------------------------------------------------------
+ *
+ * include/asm-nios2nommu/unaligned.h
+ *
+ * Derived from various works, Alpha, ix86, M68K, Sparc, ...et al
+ *
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * Jan/20/2004		dgt	    NiosII
+ *
+ ---------------------------------------------------------------------*/
+
+
+/*
+ * The nios cannot do unaligned accesses itself. 
+ */ 
+
+#define get_unaligned(ptr) ({			\
+	typeof((*(ptr))) x;			\
+	memcpy(&x, (void*)ptr, sizeof(*(ptr)));	\
+	x;					\
+})
+
+#define put_unaligned(val, ptr) ({		\
+	typeof((*(ptr))) x = val;		\
+	memcpy((void*)ptr, &x, sizeof(*(ptr)));	\
+})
+
+#endif /* __NIOS_UNALIGNED_H */
--- linux/include/asm-nios2nommu/unistd.h
+++ linux/include/asm-nios2nommu/unistd.h
@@ -0,0 +1,686 @@
+#ifndef _ASM_NIOS_UNISTD_H_
+#define _ASM_NIOS_UNISTD_H_
+
+/*--------------------------------------------------------------------
+ *
+ * include/asm-nios2nommu/unistd.h
+ *
+ * Derived from various works, Alpha, ix86, M68K, Sparc, ...et al
+ *
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * //vic - kernel_thread moved to process.c
+ * Jan/20/2004		dgt	    NiosII
+ *
+ ---------------------------------------------------------------------*/
+
+
+#include <asm/traps.h>
+
+/* TRAP isr expects the trap# (syscall=#TRAP_ID_SYSCALL) in r2,
+ *  the syscall # in r3, and arguments in r4, r5, ...
+ * Return argument expected in r2.
+ */
+
+#define __NR_restart_syscall      0
+#define __NR_exit		  1
+#define __NR_fork		  2
+#define __NR_read		  3
+#define __NR_write		  4
+#define __NR_open		  5
+#define __NR_close		  6
+#define __NR_waitpid		  7
+#define __NR_creat		  8
+#define __NR_link		  9
+#define __NR_unlink		 10
+#define __NR_execve		 11
+#define __NR_chdir		 12
+#define __NR_time		 13
+#define __NR_mknod		 14
+#define __NR_chmod		 15
+#define __NR_chown		 16
+#define __NR_break		 17
+#define __NR_oldstat		 18
+#define __NR_lseek		 19
+#define __NR_getpid		 20
+#define __NR_mount		 21
+#define __NR_umount		 22
+#define __NR_setuid		 23
+#define __NR_getuid		 24
+#define __NR_stime		 25
+#define __NR_ptrace		 26
+#define __NR_alarm		 27
+#define __NR_oldfstat		 28
+#define __NR_pause		 29
+#define __NR_utime		 30
+#define __NR_stty		 31
+#define __NR_gtty		 32
+#define __NR_access		 33
+#define __NR_nice		 34
+#define __NR_ftime		 35
+#define __NR_sync		 36
+#define __NR_kill		 37
+#define __NR_rename		 38
+#define __NR_mkdir		 39
+#define __NR_rmdir		 40
+#define __NR_dup		 41
+#define __NR_pipe		 42
+#define __NR_times		 43
+#define __NR_prof		 44
+#define __NR_brk		 45
+#define __NR_setgid		 46
+#define __NR_getgid		 47
+#define __NR_signal		 48
+#define __NR_geteuid		 49
+#define __NR_getegid		 50
+#define __NR_acct		 51
+#define __NR_umount2		 52	//vic #define __NR_phys		 52
+#define __NR_lock		 53
+#define __NR_ioctl		 54
+#define __NR_fcntl		 55
+#define __NR_mpx		 56
+#define __NR_setpgid		 57
+#define __NR_ulimit		 58
+#define __NR_oldolduname	 59
+#define __NR_umask		 60
+#define __NR_chroot		 61
+#define __NR_ustat		 62
+#define __NR_dup2		 63
+#define __NR_getppid		 64
+#define __NR_getpgrp		 65
+#define __NR_setsid		 66
+#define __NR_sigaction		 67
+#define __NR_sgetmask		 68
+#define __NR_ssetmask		 69
+#define __NR_setreuid		 70
+#define __NR_setregid		 71
+#define __NR_sigsuspend		 72
+#define __NR_sigpending		 73
+#define __NR_sethostname	 74
+#define __NR_setrlimit		 75
+#define __NR_getrlimit		 76
+#define __NR_getrusage		 77
+#define __NR_gettimeofday	 78
+#define __NR_settimeofday	 79
+#define __NR_getgroups		 80
+#define __NR_setgroups		 81
+#define __NR_select		 82
+#define __NR_symlink		 83
+#define __NR_oldlstat		 84
+#define __NR_readlink		 85
+#define __NR_uselib		 86
+#define __NR_swapon		 87
+#define __NR_reboot		 88
+#define __NR_readdir		 89
+#define __NR_mmap		 90
+#define __NR_munmap		 91
+#define __NR_truncate		 92
+#define __NR_ftruncate		 93
+#define __NR_fchmod		 94
+#define __NR_fchown		 95
+#define __NR_getpriority	 96
+#define __NR_setpriority	 97
+#define __NR_profil		 98
+#define __NR_statfs		 99
+#define __NR_fstatfs		100
+#define __NR_ioperm		101
+#define __NR_socketcall		102
+#define __NR_syslog		103
+#define __NR_setitimer		104
+#define __NR_getitimer		105
+#define __NR_stat		106
+#define __NR_lstat		107
+#define __NR_fstat		108
+#define __NR_olduname		109
+#define __NR_iopl		/* 110 */ not supported
+#define __NR_vhangup		111
+#define __NR_idle		/* 112 */ Obsolete
+#define __NR_vm86		/* 113 */ not supported
+#define __NR_wait4		114
+#define __NR_swapoff		115
+#define __NR_sysinfo		116
+#define __NR_ipc		117
+#define __NR_fsync		118
+#define __NR_sigreturn		119
+#define __NR_clone		120
+#define __NR_setdomainname	121
+#define __NR_uname		122
+#define __NR_cacheflush		123
+#define __NR_adjtimex		124
+#define __NR_mprotect		125
+#define __NR_sigprocmask	126
+#define __NR_create_module	127
+#define __NR_init_module	128
+#define __NR_delete_module	129
+#define __NR_get_kernel_syms	130
+#define __NR_quotactl		131
+#define __NR_getpgid		132
+#define __NR_fchdir		133
+#define __NR_bdflush		134
+#define __NR_sysfs		135
+#define __NR_personality	136
+#define __NR_afs_syscall	137 /* Syscall for Andrew File System */
+#define __NR_setfsuid		138
+#define __NR_setfsgid		139
+#define __NR__llseek		140
+#define __NR_getdents		141
+#define __NR__newselect		142
+#define __NR_flock		143
+#define __NR_msync		144
+#define __NR_readv		145
+#define __NR_writev		146
+#define __NR_getsid		147
+#define __NR_fdatasync		148
+#define __NR__sysctl		149
+#define __NR_mlock		150
+#define __NR_munlock		151
+#define __NR_mlockall		152
+#define __NR_munlockall		153
+#define __NR_sched_setparam		154
+#define __NR_sched_getparam		155
+#define __NR_sched_setscheduler		156
+#define __NR_sched_getscheduler		157
+#define __NR_sched_yield		158
+#define __NR_sched_get_priority_max	159
+#define __NR_sched_get_priority_min	160
+#define __NR_sched_rr_get_interval	161
+#define __NR_nanosleep		162
+#define __NR_mremap		163
+#define __NR_setresuid		164
+#define __NR_getresuid		165
+#define __NR_getpagesize	166
+#define __NR_query_module	167
+#define __NR_poll		168
+#define __NR_nfsservctl		169
+#define __NR_setresgid		170
+#define __NR_getresgid		171
+#define __NR_prctl		172
+#define __NR_rt_sigreturn	173
+#define __NR_rt_sigaction	174
+#define __NR_rt_sigprocmask	175
+#define __NR_rt_sigpending	176
+#define __NR_rt_sigtimedwait	177
+#define __NR_rt_sigqueueinfo	178
+#define __NR_rt_sigsuspend	179
+#define __NR_pread		180
+#define __NR_pwrite		181
+#define __NR_lchown		182
+#define __NR_getcwd		183
+#define __NR_capget		184
+#define __NR_capset		185
+#define __NR_sigaltstack	186
+#define __NR_sendfile		187
+#define __NR_getpmsg		188	/* some people actually want streams */
+#define __NR_putpmsg		189	/* some people actually want streams */
+#define __NR_vfork		190
+#define __NR_ugetrlimit		191
+#define __NR_mmap2		192
+#define __NR_truncate64		193
+#define __NR_ftruncate64	194
+#define __NR_stat64		195
+#define __NR_lstat64		196
+#define __NR_fstat64		197
+#define __NR_chown32		198
+#define __NR_getuid32		199
+#define __NR_getgid32		200
+#define __NR_geteuid32		201
+#define __NR_getegid32		202
+#define __NR_setreuid32		203
+#define __NR_setregid32		204
+#define __NR_getgroups32	205
+#define __NR_setgroups32	206
+#define __NR_fchown32		207
+#define __NR_setresuid32	208
+#define __NR_getresuid32	209
+#define __NR_setresgid32	210
+#define __NR_getresgid32	211
+#define __NR_lchown32		212
+#define __NR_setuid32		213
+#define __NR_setgid32		214
+#define __NR_setfsuid32		215
+#define __NR_setfsgid32		216
+#define __NR_pivot_root		217
+/* 218 unused */
+/* 219 unused */
+#define __NR_getdents64		220
+#define __NR_gettid		221
+#define __NR_tkill		222
+#define __NR_setxattr		223
+#define __NR_lsetxattr		224
+#define __NR_fsetxattr		225
+#define __NR_getxattr		226
+#define __NR_lgetxattr		227
+#define __NR_fgetxattr		228
+#define __NR_listxattr		229
+#define __NR_llistxattr		230
+#define __NR_flistxattr		231
+#define __NR_removexattr	232
+#define __NR_lremovexattr	233
+#define __NR_fremovexattr	234
+#define __NR_futex		235
+#define __NR_sendfile64		236
+#define __NR_mincore		237
+#define __NR_madvise		238
+#define __NR_fcntl64		239
+#define __NR_readahead		240
+#define __NR_io_setup		241
+#define __NR_io_destroy		242
+#define __NR_io_getevents	243
+#define __NR_io_submit		244
+#define __NR_io_cancel		245
+#define __NR_fadvise64		246
+#define __NR_exit_group		247
+#define __NR_lookup_dcookie	248
+#define __NR_epoll_create	249
+#define __NR_epoll_ctl		250
+#define __NR_epoll_wait		251
+#define __NR_remap_file_pages	252
+#define __NR_set_tid_address	253
+#define __NR_timer_create	254
+#define __NR_timer_settime	255
+#define __NR_timer_gettime	256
+#define __NR_timer_getoverrun	257
+#define __NR_timer_delete	258
+#define __NR_clock_settime	259
+#define __NR_clock_gettime	260
+#define __NR_clock_getres	261
+#define __NR_clock_nanosleep	262
+#define __NR_statfs64		263
+#define __NR_fstatfs64		264
+#define __NR_tgkill		265
+#define __NR_utimes		266
+#define __NR_fadvise64_64	267
+#define __NR_mbind		268
+#define __NR_get_mempolicy	269
+#define __NR_set_mempolicy	270
+#define __NR_mq_open		271
+#define __NR_mq_unlink		272
+#define __NR_mq_timedsend	273
+#define __NR_mq_timedreceive	274
+#define __NR_mq_notify		275
+#define __NR_mq_getsetattr	276
+#define __NR_waitid		277
+#define __NR_sys_setaltroot	278
+#define __NR_add_key		279
+#define __NR_request_key	280
+#define __NR_keyctl		281
+
+#define NR_syscalls		282
+
+/* user-visible error numbers are in the range -1 - -122: see
+   <asm-nios2nommu/errno.h> */
+
+#define __syscall_return(type, res) \
+do { \
+	if ((unsigned long)(res) >= (unsigned long)(-125)) { \
+                                                                        \
+                /* avoid using res which is declared to be in           \
+                    register r2; errno might expand to a function       \
+                    call and clobber it.                          */    \
+                                                                        \
+		int __err = -(res); \
+		errno = __err; \
+		res = -1; \
+	} \
+	return (type) (res); \
+} while (0)
+
+#define _syscall0(type,name) \
+type name(void) \
+{ \
+    long __res;                                             \
+                                                            \
+    __asm__ __volatile__ (                                  \
+                                                            \
+        "    \n\t"                                          \
+                                                            \
+        "    movi    r2,    %2\n\t"   /* TRAP_ID_SYSCALL */ \
+        "    movi    r3,    %1\n\t"   /* __NR_##name     */ \
+                                                            \
+        "    trap\n\t"                                      \
+        "    mov     %0,    r2\n\t"   /* syscall rtn     */ \
+                                                            \
+        "    \n\t"                                          \
+                                                            \
+        :   "=r" (__res)              /* %0              */ \
+                                                            \
+        :   "i" (__NR_##name)         /* %1              */ \
+          , "i" (TRAP_ID_SYSCALL)     /* %2              */ \
+                                                            \
+        :   "r2"                      /* Clobbered       */ \
+          , "r3"                      /* Clobbered       */ \
+        );                                                  \
+                                                            \
+__syscall_return(type,__res); \
+}
+
+//;dgt2;tmp;can we RELY on syscall1 arg a
+//;dgt2;tmp; already being in r4 ?
+#define _syscall1(type,name,atype,a) \
+type name(atype a) \
+{ \
+    long __res;                                             \
+                                                            \
+    __asm__ __volatile__ (                                  \
+                                                            \
+        "    \n\t"                                          \
+                                                            \
+        "    movi    r2,    %2\n\t"   /* TRAP_ID_SYSCALL */ \
+        "    movi    r3,    %1\n\t"   /* __NR_##name     */ \
+        "    mov     r4,    %3\n\t"   /* (long) a        */ \
+                                                            \
+        "    trap\n\t"                                      \
+        "    mov     %0,    r2\n\t"   /* syscall rtn     */ \
+                                                            \
+        "    \n\t"                                          \
+                                                            \
+        :   "=r" (__res)              /* %0              */ \
+                                                            \
+        :   "i" (__NR_##name)         /* %1              */ \
+          , "i" (TRAP_ID_SYSCALL)     /* %2              */ \
+          , "r" ((long) a)            /* %3              */ \
+                                                            \
+        :   "r2"                      /* Clobbered       */ \
+          , "r3"                      /* Clobbered       */ \
+          , "r4"                      /* Clobbered       */ \
+        );                                                  \
+                                                            \
+__syscall_return(type,__res); \
+}
+
+//;dgt2;tmp;can we RELY on syscall2 args a,b
+//;dgt2;tmp; already being in r4,r5 ?
+#define _syscall2(type,name,atype,a,btype,b) \
+type name(atype a,btype b) \
+{ \
+    long __res;                                             \
+                                                            \
+    __asm__ __volatile__ (                                  \
+                                                            \
+        "    \n\t"                                          \
+                                                            \
+        "    movi    r2,    %2\n\t"   /* TRAP_ID_SYSCALL */ \
+        "    movi    r3,    %1\n\t"   /* __NR_##name     */ \
+        "    mov     r4,    %3\n\t"   /* (long) a        */ \
+        "    mov     r5,    %4\n\t"   /* (long) b        */ \
+                                                            \
+        "    trap\n\t"                                      \
+        "    mov     %0,    r2\n\t"   /* syscall rtn     */ \
+                                                            \
+        "    \n\t"                                          \
+                                                            \
+        :   "=r" (__res)              /* %0              */ \
+                                                            \
+        :   "i" (__NR_##name)         /* %1              */ \
+          , "i" (TRAP_ID_SYSCALL)     /* %2              */ \
+          , "r" ((long) a)            /* %3              */ \
+          , "r" ((long) b)            /* %4              */ \
+                                                            \
+        :   "r2"                      /* Clobbered       */ \
+          , "r3"                      /* Clobbered       */ \
+          , "r4"                      /* Clobbered       */ \
+          , "r5"                      /* Clobbered       */ \
+        );                                                  \
+                                                            \
+__syscall_return(type,__res); \
+}
+
+//;dgt2;tmp;can we RELY on syscall3 args a,b,c
+//;dgt2;tmp; already being in r4,r5,r6 ?
+#define _syscall3(type,name,atype,a,btype,b,ctype,c) \
+type name(atype a,btype b,ctype c) \
+{ \
+    long __res;                                             \
+                                                            \
+    __asm__ __volatile__ (                                  \
+                                                            \
+        "    \n\t"                                          \
+                                                            \
+        "    movi    r2,    %2\n\t"   /* TRAP_ID_SYSCALL */ \
+        "    movi    r3,    %1\n\t"   /* __NR_##name     */ \
+        "    mov     r4,    %3\n\t"   /* (long) a        */ \
+        "    mov     r5,    %4\n\t"   /* (long) b        */ \
+        "    mov     r6,    %5\n\t"   /* (long) c        */ \
+                                                            \
+        "    trap\n\t"                                      \
+        "    mov     %0,    r2\n\t"   /* syscall rtn     */ \
+                                                            \
+        "    \n\t"                                          \
+                                                            \
+        :   "=r" (__res)              /* %0              */ \
+                                                            \
+        :   "i" (__NR_##name)         /* %1              */ \
+          , "i" (TRAP_ID_SYSCALL)     /* %2              */ \
+          , "r" ((long) a)            /* %3              */ \
+          , "r" ((long) b)            /* %4              */ \
+          , "r" ((long) c)            /* %5              */ \
+                                                            \
+        :   "r2"                      /* Clobbered       */ \
+          , "r3"                      /* Clobbered       */ \
+          , "r4"                      /* Clobbered       */ \
+          , "r5"                      /* Clobbered       */ \
+          , "r6"                      /* Clobbered       */ \
+        );                                                  \
+                                                            \
+__syscall_return(type,__res); \
+}
+
+//;dgt2;tmp;can we RELY on syscall4 args a,b,c,d
+//;dgt2;tmp; already being in r4,r5,r6,r7 ?
+#define _syscall4(type,name,atype,a,btype,b,ctype,c,dtype,d) \
+type name (atype a, btype b, ctype c, dtype d) \
+{ \
+    long __res;                                             \
+                                                            \
+    __asm__ __volatile__ (                                  \
+                                                            \
+        "    \n\t"                                          \
+                                                            \
+        "    movi    r2,    %2\n\t"   /* TRAP_ID_SYSCALL */ \
+        "    movi    r3,    %1\n\t"   /* __NR_##name     */ \
+        "    mov     r4,    %3\n\t"   /* (long) a        */ \
+        "    mov     r5,    %4\n\t"   /* (long) b        */ \
+        "    mov     r6,    %5\n\t"   /* (long) c        */ \
+        "    mov     r7,    %6\n\t"   /* (long) d        */ \
+                                                            \
+        "    trap\n\t"                                      \
+        "    mov     %0,    r2\n\t"   /* syscall rtn     */ \
+                                                            \
+        "    \n\t"                                          \
+                                                            \
+        :   "=r" (__res)              /* %0              */ \
+                                                            \
+        :   "i" (__NR_##name)         /* %1              */ \
+          , "i" (TRAP_ID_SYSCALL)     /* %2              */ \
+          , "r" ((long) a)            /* %3              */ \
+          , "r" ((long) b)            /* %4              */ \
+          , "r" ((long) c)            /* %5              */ \
+          , "r" ((long) d)            /* %6              */ \
+                                                            \
+        :   "r2"                      /* Clobbered       */ \
+          , "r3"                      /* Clobbered       */ \
+          , "r4"                      /* Clobbered       */ \
+          , "r5"                      /* Clobbered       */ \
+          , "r6"                      /* Clobbered       */ \
+          , "r7"                      /* Clobbered       */ \
+        );                                                  \
+                                                            \
+__syscall_return(type,__res); \
+}
+
+//;dgt2;tmp;can we RELY on syscall5 args a,b,c,d
+//;dgt2;tmp; already being in r4,r5,r6,r7 ?
+#define _syscall5(type,name,atype,a,btype,b,ctype,c,dtype,d,etype,e) \
+type name (atype a,btype b,ctype c,dtype d,etype e) \
+{ \
+    long __res;                                             \
+                                                            \
+    __asm__ __volatile__ (                                  \
+                                                            \
+        "    \n\t"                                          \
+                                                            \
+        "    movi    r2,    %2\n\t"   /* TRAP_ID_SYSCALL */ \
+        "    movi    r3,    %1\n\t"   /* __NR_##name     */ \
+        "    mov     r4,    %3\n\t"   /* (long) a        */ \
+        "    mov     r5,    %4\n\t"   /* (long) b        */ \
+        "    mov     r6,    %5\n\t"   /* (long) c        */ \
+        "    mov     r7,    %6\n\t"   /* (long) c        */ \
+        "    mov     r8,    %7\n\t"   /* (long) e        */ \
+                                                            \
+        "    trap\n\t"                                      \
+        "    mov     %0,    r2\n\t"   /* syscall rtn     */ \
+                                                            \
+        "    \n\t"                                          \
+                                                            \
+        :   "=r" (__res)              /* %0              */ \
+                                                            \
+        :   "i" (__NR_##name)         /* %1              */ \
+          , "i" (TRAP_ID_SYSCALL)     /* %2              */ \
+          , "r" ((long) a)            /* %3              */ \
+          , "r" ((long) b)            /* %4              */ \
+          , "r" ((long) c)            /* %5              */ \
+          , "r" ((long) d)            /* %6              */ \
+          , "r" ((long) e)            /* %7              */ \
+                                                            \
+        :   "r2"                      /* Clobbered       */ \
+          , "r3"                      /* Clobbered       */ \
+          , "r4"                      /* Clobbered       */ \
+          , "r5"                      /* Clobbered       */ \
+          , "r6"                      /* Clobbered       */ \
+          , "r7"                      /* Clobbered       */ \
+          , "r8"                      /* Clobbered       */ \
+        );                                                  \
+                                                            \
+__syscall_return(type,__res); \
+}
+
+//;dgt2;tmp;can we RELY on syscall6 args a,b,c,d
+//;dgt2;tmp; already being in r4,r5,r6,r7 ?
+#define _syscall6(type,name,atype,a,btype,b,ctype,c,dtype,d,etype,e,ftype,f) \
+type name (atype a,btype b,ctype c,dtype d,etype e,ftype f) \
+{ \
+    long __res;                                             \
+                                                            \
+    __asm__ __volatile__ (                                  \
+                                                            \
+        "    \n\t"                                          \
+                                                            \
+        "    movi    r2,    %2\n\t"   /* TRAP_ID_SYSCALL */ \
+        "    movi    r3,    %1\n\t"   /* __NR_##name     */ \
+        "    mov     r4,    %3\n\t"   /* (long) a        */ \
+        "    mov     r5,    %4\n\t"   /* (long) b        */ \
+        "    mov     r6,    %5\n\t"   /* (long) c        */ \
+        "    mov     r7,    %6\n\t"   /* (long) c        */ \
+        "    mov     r8,    %7\n\t"   /* (long) e        */ \
+        "    mov     r9,    %8\n\t"   /* (long) f        */ \
+                                                            \
+        "    trap\n\t"                                      \
+        "    mov     %0,    r2\n\t"   /* syscall rtn     */ \
+                                                            \
+        "    \n\t"                                          \
+                                                            \
+        :   "=r" (__res)              /* %0              */ \
+                                                            \
+        :   "i" (__NR_##name)         /* %1              */ \
+          , "i" (TRAP_ID_SYSCALL)     /* %2              */ \
+          , "r" ((long) a)            /* %3              */ \
+          , "r" ((long) b)            /* %4              */ \
+          , "r" ((long) c)            /* %5              */ \
+          , "r" ((long) d)            /* %6              */ \
+          , "r" ((long) e)            /* %7              */ \
+          , "r" ((long) f)            /* %8              */ \
+                                                            \
+        :   "r2"                      /* Clobbered       */ \
+          , "r3"                      /* Clobbered       */ \
+          , "r4"                      /* Clobbered       */ \
+          , "r5"                      /* Clobbered       */ \
+          , "r6"                      /* Clobbered       */ \
+          , "r7"                      /* Clobbered       */ \
+          , "r8"                      /* Clobbered       */ \
+          , "r9"                      /* Clobbered       */ \
+        );                                                  \
+                                                            \
+__syscall_return(type,__res); \
+}
+
+#ifdef __KERNEL__
+#define __ARCH_WANT_IPC_PARSE_VERSION
+#define __ARCH_WANT_OLD_READDIR
+#define __ARCH_WANT_OLD_STAT
+#define __ARCH_WANT_STAT64
+#define __ARCH_WANT_SYS_ALARM
+#define __ARCH_WANT_SYS_GETHOSTNAME
+#define __ARCH_WANT_SYS_PAUSE
+#define __ARCH_WANT_SYS_SGETMASK
+#define __ARCH_WANT_SYS_SIGNAL
+#define __ARCH_WANT_SYS_TIME
+#define __ARCH_WANT_SYS_UTIME
+#define __ARCH_WANT_SYS_WAITPID
+#define __ARCH_WANT_SYS_SOCKETCALL
+#define __ARCH_WANT_SYS_FADVISE64
+#define __ARCH_WANT_SYS_GETPGRP
+#define __ARCH_WANT_SYS_LLSEEK
+#define __ARCH_WANT_SYS_NICE
+#define __ARCH_WANT_SYS_OLD_GETRLIMIT
+#define __ARCH_WANT_SYS_OLDUMOUNT
+#define __ARCH_WANT_SYS_SIGPENDING
+#define __ARCH_WANT_SYS_SIGPROCMASK
+#define __ARCH_WANT_SYS_RT_SIGACTION
+#endif
+
+#ifdef __KERNEL_SYSCALLS__
+
+/*
+ * we need this inline - forking from kernel space will result
+ * in NO COPY ON WRITE (!!!), until an execve is executed. This
+ * is no problem, but for the stack. This is handled by not letting
+ * main() use the stack at all after fork(). Thus, no function
+ * calls - which means inline code for fork too, as otherwise we
+ * would use the stack upon exit from 'fork()'.
+ *
+ * Actually only pause and fork are needed inline, so that there
+ * won't be any messing with the stack from main(), but we define
+ * some others too.
+ */
+#define __NR__exit __NR_exit
+static inline _syscall0(int,pause)
+static inline _syscall0(int,sync)
+static inline _syscall0(pid_t,setsid)
+static inline _syscall3(int,write,int,fd,const char *,buf,off_t,count)
+static inline _syscall3(int,read,int,fd,char *,buf,off_t,count)
+static inline _syscall3(off_t,lseek,int,fd,off_t,offset,int,count)
+static inline _syscall1(int,dup,int,fd)
+static inline _syscall3(int,execve,const char *,file,char **,argv,char **,envp)
+static inline _syscall3(int,open,const char *,file,int,flag,int,mode)
+static inline _syscall1(int,close,int,fd)
+static inline _syscall1(int,_exit,int,exitcode)
+static inline _syscall3(pid_t,waitpid,pid_t,pid,int *,wait_stat,int,options)
+static inline _syscall1(int,delete_module,const char *,name)
+
+static inline pid_t wait(int * wait_stat)
+{
+	return waitpid(-1,wait_stat,0);
+}
+
+#endif
+
+/*
+ * "Conditional" syscalls
+ *
+ * What we want is __attribute__((weak,alias("sys_ni_syscall"))),
+ * but it doesn't work on all toolchains, so we just do it by hand
+ */
+#define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall");
+
+#endif /* _ASM_NIOS_UNISTD_H_ */
--- linux/include/asm-nios2nommu/user.h
+++ linux/include/asm-nios2nommu/user.h
@@ -0,0 +1,112 @@
+#ifndef _NIOS2NOMMU_USER_H
+#define _NIOS2NOMMU_USER_H
+
+/*--------------------------------------------------------------------
+ *
+ * include/asm-nios2nommu/user.h
+ *
+ * Derived from M68knommu
+ *
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * Jan/20/2004		dgt	    NiosII
+ *
+ ---------------------------------------------------------------------*/
+
+
+#include <asm/page.h>
+
+/* Core file format: The core file is written in such a way that gdb
+   can understand it and provide useful information to the user (under
+   linux we use the 'trad-core' bfd).  There are quite a number of
+   obstacles to being able to view the contents of the floating point
+   registers, and until these are solved you will not be able to view the
+   contents of them.  Actually, you can read in the core file and look at
+   the contents of the user struct to find out what the floating point
+   registers contain.
+   The actual file contents are as follows:
+   UPAGE: 1 page consisting of a user struct that tells gdb what is present
+   in the file.  Directly after this is a copy of the task_struct, which
+   is currently not used by gdb, but it may come in useful at some point.
+   All of the registers are stored as part of the upage.  The upage should
+   always be only one page.
+   DATA: The data area is stored.  We use current->end_text to
+   current->brk to pick up all of the user variables, plus any memory
+   that may have been malloced.  No attempt is made to determine if a page
+   is demand-zero or if a page is totally unused, we just cover the entire
+   range.  All of the addresses are rounded in such a way that an integral
+   number of pages is written.
+   STACK: We need the stack information in order to get a meaningful
+   backtrace.  We need to write the data from (esp) to
+   current->start_stack, so we round each of these off in order to be able
+   to write an integer number of pages.
+   The minimum core file size is 3 pages, or 12288 bytes.
+*/
+
+struct user_m68kfp_struct {
+	unsigned long  fpregs[8*3];	/* fp0-fp7 registers */
+	unsigned long  fpcntl[3];	/* fp control regs */
+};
+
+/* This is needs more work, probably should look like gdb useage */
+struct user_regs_struct {
+	long r1,r2,r3,r4,r5,r6,r7,r8;
+	long r9,r10,r11,r12,r13,r14,r15;
+	long r16,r17,r18,r19,r20,r21,r22,r23;
+	long gp;
+	long sp;
+	long ra;
+	long fp;
+	long orig_r2;
+	long estatus;
+	long status_extension;
+	long ea;
+};
+
+	
+/* When the kernel dumps core, it starts by dumping the user struct -
+   this will be used by gdb to figure out where the data and stack segments
+   are within the file, and what virtual addresses to use. */
+struct user{
+/* We start with the registers, to mimic the way that "memory" is returned
+   from the ptrace(3,...) function.  */
+  struct user_regs_struct regs;	/* Where the registers are actually stored */
+/* ptrace does not yet supply these.  Someday.... */
+  int u_fpvalid;		/* True if math co-processor being used. */
+                                /* for this mess. Not yet used. */
+  struct user_m68kfp_struct m68kfp; /* Math Co-processor registers. */
+/* The rest of this junk is to help gdb figure out what goes where */
+  unsigned long int u_tsize;	/* Text segment size (pages). */
+  unsigned long int u_dsize;	/* Data segment size (pages). */
+  unsigned long int u_ssize;	/* Stack segment size (pages). */
+  unsigned long start_code;     /* Starting virtual address of text. */
+  unsigned long start_stack;	/* Starting virtual address of stack area.
+				   This is actually the bottom of the stack,
+				   the top of the stack is always found in the
+				   esp register.  */
+  long int signal;     		/* Signal that caused the core dump. */
+  int reserved;			/* No longer used */
+  struct user_regs_struct *u_ar0;
+				/* Used by gdb to help find the values for */
+				/* the registers. */
+  struct user_m68kfp_struct* u_fpstate;	/* Math Co-processor pointer. */
+  unsigned long magic;		/* To uniquely identify a core file */
+  char u_comm[32];		/* User command that was responsible */
+};
+#define NBPG PAGE_SIZE
+#define UPAGES 1
+#define HOST_TEXT_START_ADDR (u.start_code)
+#define HOST_STACK_END_ADDR (u.start_stack + u.u_ssize * NBPG)
+
+#endif
--- linux/include/asm-nios2nommu/virtconvert.h
+++ linux/include/asm-nios2nommu/virtconvert.h
@@ -0,0 +1,47 @@
+#ifndef __NIOS_VIRT_CONVERT__
+#define __NIOS_VIRT_CONVERT__
+
+/*--------------------------------------------------------------------
+ *
+ * include/asm-nios2nommu/virtconvert.h
+ *
+ * Derived from various works, Alpha, ix86, M68K, Sparc, ...et al
+ *
+ * Copyright (C) 2004   Microtronix Datacom Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ *
+ * Jan/20/2004		dgt	    NiosII
+ *
+ ---------------------------------------------------------------------*/
+
+
+/*
+ * Macros used for converting between virtual and physical mappings.
+ */
+
+#ifdef __KERNEL__
+
+// #include <linux/config.h>
+#include <asm/setup.h>
+#include <asm/page.h>
+
+#define mm_ptov(vaddr)		((void *) (vaddr))
+#define mm_vtop(vaddr)		((unsigned long) (vaddr))
+#define phys_to_virt(vaddr)	((void *) (vaddr))
+#define virt_to_phys(vaddr)	((unsigned long) (vaddr))
+
+#define virt_to_bus virt_to_phys
+#define bus_to_virt phys_to_virt
+
+#endif /*__KERNEL__ */
+#endif /*__NIOS_VIRT_CONVERT__*/