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* Mark MIPS I, II, III and IV as deprecatedGravatar Vicente Olivert Riera2013-11-201-4/+5
| | | | | | | | Deprecate old MIPS ISAs since they are rarely used anymore and they cause multiple build problems for new packages Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
* arch/Config.in: introduce BR2_KERNEL_64_USERLAND_32 symbolGravatar Gustavo Zacarias2013-10-301-0/+1
| | | | | | | | | | | | | | | On some architectures one can be running a 64-bit kernel with a 32-bit userland. Such is the case for sparc64 (unsupported) for example and mips64 with n32 ABI. Some tools that interface directly with the kernel need to be built specially for this, so introduce this symbol to tweak their build in one central kludge to be future-proof. Example: bug #6602. Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
* arch/mips: Set BR2_GCC_TARGET_ARCH for MIPSGravatar Markos Chandras2013-10-301-1/+1
| | | | | | | | Set --with-arch instead of --with-tune for MIPS so that the generated code will be optimal for the given MIPS ISA. Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
* arch: Refactor BR2_SOFT_FLOAT into per-architecture optionsGravatar Thomas Petazzoni2013-07-161-0/+10
| | | | | | | | | | | | | | | | | | | | | | As we are going to introduced a more advanced support of floating point options for the ARM architecture, we need to adjust how the soft-float option is handled. We replace the current hidden option BR2_PREFER_SOFT_FLOAT option and the visible BR2_SOFT_FLOAT option by: * A global hidden BR2_SOFT_FLOAT option, defined in arch/Config.in, that tells whether the architecture-specific code is using software emulated floating point. This hidden option can be used throughout Buildroot to determine whether soft float is used or not. * Per-architecture visible BR2_<arch>_SOFT_FLOAT options, for the architecture for which it makes sense, which allows users to select soft float emulation when needed. This change will allow each architecture to have a different way of presenting its floating point capabilities. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
* arch: Config.in string configuration options must be quotedGravatar Thomas Petazzoni2012-11-151-11/+11
| | | | | | | | | Suggested by Yann E. Morin. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Reported-by: "Yann E. MORIN" <yann.morin.1998@free.fr> Acked-by: "Yann E. MORIN" <yann.morin.1998@free.fr> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
* arch: improve definition of gcc mtune, mcpu, etc.Gravatar Thomas Petazzoni2012-11-151-0/+25
| | | | | | | | | | | | | | | | | | As suggested by Yann E. Morin, there is a better way than our current big Config.in.common to define the gcc mtune, mcpu, march, etc. values. We can split the setting of those values in each architecture file, which makes a lot more sense. Therefore, the Config.in file now creates empty kconfig variables BR2_ARCH, BR2_ENDIAN, BR2_GCC_TARGET_TUNE, BR2_GCC_TARGET_ARCH, BR2_GCC_TARGET_ABI and BR2_GCC_TARGET_CPU. The values of those variables are set by the individual Config.in.<arch> files. This is possible because such files are now only conditionally included depending on the top-level architecture that has been selected. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Acked-by: "Yann E. MORIN" <yann.morin.1998@free.fr> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
* Split target/Config.in.arch into multiple Config.in.* in arch/Gravatar Thomas Petazzoni2012-11-041-0/+53
target/Config.in.arch had become too long, and we want to remove the target/ directory. So let's move it to arch/ and split it this way: * An initial Config.in that lists the top-level architecture, and sources the arch-specific Config.in.<arch> files, as well as Config.in.common (see below) * One Config.in.<arch> per architecture, listing the CPU families, ABI choices, etc. * One Config.in.common that defines the gcc mtune, march, mcpu values and other hidden options. [Peter: space->tab fix, mipsel64 little endian, mips3 as noted by Arnout] Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>