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Diffstat (limited to 'import-layers/yocto-poky/meta/conf/machine/include/x86/README')
| -rw-r--r-- | import-layers/yocto-poky/meta/conf/machine/include/x86/README | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/import-layers/yocto-poky/meta/conf/machine/include/x86/README b/import-layers/yocto-poky/meta/conf/machine/include/x86/README new file mode 100644 index 000000000..2b6c46c7e --- /dev/null +++ b/import-layers/yocto-poky/meta/conf/machine/include/x86/README @@ -0,0 +1,24 @@ +2012/03/30 - Mark Hatle <mark.hatle@windriver.com> + - Initial version + +Most of the items for the X86 architectures are defined in the single +arch-x86 file. + +Three ABIs are define, m32, mx32 and m64. + +The following is the list of X86 specific variables: + +X86ARCH32 - This is the 32-bit architecture GNU canonical arch, TUNE_ARCH. + +X86ARCH64 - This is the 64-bit architecture GNU canonical arch, TUNE_ARCH. + +The TUNE_PKGARCH is defined as follows: + +TUNE_PKGARCH = ${TUNE_PKGARCH_tune-${DEFAULTTUNE}} + +The package architecture for 32-bit targets is historical and generally +set to to match the core compatible processor type, i.e. i386. + +For 64-bit architectures, the architecture is expected to end in '_64'. + +If the x32 ABI is used, then the _64 is further extended with a '_x32'. |
