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* arch: add BR2_READELF_ARCH_NAME hidden config optionThomas Petazzoni2017-03-201-0/+4
| | | | | | | | | This config option corresponds to the string returned by readelf for the "Machine" field of the ELF header. It will be used to check if the architecture of binaries built by Buildroot match the target architecture. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
* toolchain: add sparc64 architecture supportWaldemar Brodkorb2015-10-101-2/+10
| | | | | | | | | Introduce sparc64 architecture to buildroot. Signed-off-by: Waldemar Brodkorb <wbx@openadk.org> Acked-by: Gustavo Zacarias <gustavo@zacarias.com.ar> Tested-by: Gustavo Zacarias <gustavo@zacarias.com.ar> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
* arch/sparc: doesn't have atomicsGustavo Zacarias2015-03-301-3/+0
| | | | | | | | Cores older than v9 don't seem to have atomics so remove it. Fixes a test build of pulseaudio for example. Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
* arch/sparc: get rid of BR2_GCC_TARGET_TUNEThomas Petazzoni2014-11-071-3/+1
| | | | | | | | | | | | | On SPARC, BR2_GCC_TARGET_TUNE was only used for one specific case, the BR2_sparc_v8. There is actually no reason to not use BR2_GCC_TARGET_CPU instead for this, as all values supported for -mtune are also supported for -mcpu. Therefore, the only BR2_GCC_TARGET_TUNE case is moved as a BR2_GCC_TARGET_CPU case. [Peter: fixup merge conflict after 'sparc: Add leon3 cpu type and remove sparc{s,h}fleon{,v8}] Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
* arch: sparc: Add leon3 cpu type and remove sparc{s,h}fleon{,v8}Andreas Larsson2014-10-301-12/+3
| | | | | | | | | | | There is support for -mcpu=leon3 from gcc 4.8.3. Use this for LEON systems instead of the non-mainline targets sparcsfleon, sparchfleon, sparcsfleonv8, and sparchfleonv8. [Thomas: add Config.in.legacy handling for the removed options.] Signed-off-by: Andreas Larsson <andreas@gaisler.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
* arch/sparc: always has atomic opsYann E. MORIN2014-08-181-0/+3
| | | | | | | Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Cc: Anton Kolesov <Anton.Kolesov@synopsys.com> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
* arch/sparc: drop unused variantsGustavo Zacarias2013-11-281-6/+0
| | | | | | | Drop stale v9/ultrasparc/niagara variants. Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
* arch/sparc: drop old SUN-specific variantsGustavo Zacarias2013-01-021-31/+1
| | | | | | | | | | | | | | | | | | | | Drop the old Sun-specific variants used in old workstations (pre-1997) and other useless ones. The V7 ISA is a very old cpu only used in the first Sun workstations, the toolchain support is broken: the cpu doesn't do hardware div and it's not handled elsewhere. The sparclite is also a very old Fujitsu cpu only used in early 90s Sun machines (includes f930 & f934). The sparclet (tsc701) was a microcontroller-variant. The supersparc and hypersparc are just V8 variants also used in old Sun workstations/servers. Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
* arch: Config.in string configuration options must be quotedThomas Petazzoni2012-11-151-21/+21
| | | | | | | | | 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.Thomas Petazzoni2012-11-151-0/+31
| | | | | | | | | | | | | | | | | | 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 Petazzoni2012-11-041-0/+38
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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