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* arch: fix BR2_ARCH for generic target variantRichard Braun2012-12-201-0/+1
| | | | | Signed-off-by: Richard Braun <rbraun@sceen.net> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
* arch/Config.in.arm: Add BR2_ARM_CPU_HAS_NEON similar to how mmx/sse is ↵Peter Korsgaard2012-12-131-0/+21
| | | | | | | | | handled on x86 NEON support is optional on A5/A9, so let the user choose if SoC has it / wants to use it. Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
* arm: update processor typesGustavo Zacarias2012-12-091-0/+8
| | | | | | | Update the arm processor types: add the cortex A5 & A15 variants. Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
* powerpc: update processor typesGustavo Zacarias2012-12-091-3/+12
| | | | | | | | | Update the powerpc processor types. Remove the 801, it's the original IBM experimental implementation. Add the 464, 464fp, 476 and 476fp cores. Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
* xtensa: use uppercase for configurations and modified overlay structureChris Zankel2012-11-211-11/+15
| | | | | | | | | | | Except for architecture and processor names, buildroot uses capitalized configuration names, so change the macro names for xtensa to follow that standard. Change the overlay file to have a subdirectory for each component (gdb, binutils, gcc, etc.) to make it more future-prove. Signed-off-by: Chris Zankel <chris@zankel.net> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
* arch: Config.in string configuration options must be quotedThomas Petazzoni2012-11-156-171/+171
| | | | | | | | | 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>
* xtensa: support configurable processor configurationsChris Zankel2012-11-151-0/+31
| | | | | | | | | | | | | | | | | | | Xtensa is a configurable processor architecture, which allows to define additional instructions and registers. The required variant specific information for the toolchain is delivered in an 'overlay' file, which needs to be 'untarred' to the corresponding directories after the source is installed and patched. This patch provides support for binutils, gcc, and gdb with a very limited changes to the build scripts. These additions are only executed for the Xtensa architecture and have no effect on other architectures. [Thomas: rebased on top of the 'arch: improve definition of gcc mtune, mcpu, etc.' patch, and changed 'Target ABI' to 'Target Architecture Variant']. Signed-off-by: Chris Zankel <chris@zankel.net> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
* xtensa: add support for the Xtensa architectureChris Zankel2012-11-152-0/+13
| | | | | | | | | | | | | The Xtensa architecture had been removed because it required special handling and depended on additional directories and files that became obsolete over time. This change is more aligned to other architectures. [Thomas: rebased on top of the "arch: improve definition of gcc mtune, mcpu, etc." patch]. Signed-off-by: Chris Zankel <chris@zankel.net> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
* arch: improve definition of gcc mtune, mcpu, etc.Thomas Petazzoni2012-11-1513-249/+361
| | | | | | | | | | | | | | | | | | 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/Thomas Petazzoni2012-11-049-0/+822
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>
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