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author | Patrick Williams <patrick@stwcx.xyz> | 2015-09-15 22:41:29 +0300 |
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committer | Patrick Williams <patrick@stwcx.xyz> | 2015-09-15 22:41:29 +0300 |
commit | 21f9b84b4b729fbd7acbd465e7a3f726e4d20f91 (patch) | |
tree | eb2d091d427ca0813b445509d59cc8e27e8ad25f /yocto-poky/meta/classes/kernel-arch.bbclass | |
parent | 101cef31e2bf54c678501155cd2106251acbd076 (diff) | |
parent | c124f4f2e04dca16a428a76c89677328bc7bf908 (diff) | |
download | openbmc-21f9b84b4b729fbd7acbd465e7a3f726e4d20f91.tar.xz |
Merge commit 'c124f4f2e04dca16a428a76c89677328bc7bf908' as 'yocto-poky'
Diffstat (limited to 'yocto-poky/meta/classes/kernel-arch.bbclass')
-rw-r--r-- | yocto-poky/meta/classes/kernel-arch.bbclass | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/yocto-poky/meta/classes/kernel-arch.bbclass b/yocto-poky/meta/classes/kernel-arch.bbclass new file mode 100644 index 000000000..211b72bee --- /dev/null +++ b/yocto-poky/meta/classes/kernel-arch.bbclass @@ -0,0 +1,59 @@ +# +# set the ARCH environment variable for kernel compilation (including +# modules). return value must match one of the architecture directories +# in the kernel source "arch" directory +# + +valid_archs = "alpha cris ia64 \ + i386 x86 \ + m68knommu m68k ppc powerpc powerpc64 ppc64 \ + sparc sparc64 \ + arm aarch64 \ + m32r mips \ + sh sh64 um h8300 \ + parisc s390 v850 \ + avr32 blackfin \ + microblaze" + +def map_kernel_arch(a, d): + import re + + valid_archs = d.getVar('valid_archs', True).split() + + if re.match('(i.86|athlon|x86.64)$', a): return 'x86' + elif re.match('armeb$', a): return 'arm' + elif re.match('aarch64$', a): return 'arm64' + elif re.match('aarch64_be$', a): return 'arm64' + elif re.match('mips(el|64|64el)$', a): return 'mips' + elif re.match('p(pc|owerpc)(|64)', a): return 'powerpc' + elif re.match('sh(3|4)$', a): return 'sh' + elif re.match('bfin', a): return 'blackfin' + elif re.match('microblazee[bl]', a): return 'microblaze' + elif a in valid_archs: return a + else: + bb.error("cannot map '%s' to a linux kernel architecture" % a) + +export ARCH = "${@map_kernel_arch(d.getVar('TARGET_ARCH', True), d)}" + +def map_uboot_arch(a, d): + import re + + if re.match('p(pc|owerpc)(|64)', a): return 'ppc' + elif re.match('i.86$', a): return 'x86' + return a + +export UBOOT_ARCH = "${@map_uboot_arch(d.getVar('ARCH', True), d)}" + +# Set TARGET_??_KERNEL_ARCH in the machine .conf to set architecture +# specific options necessary for building the kernel and modules. +TARGET_CC_KERNEL_ARCH ?= "" +HOST_CC_KERNEL_ARCH ?= "${TARGET_CC_KERNEL_ARCH}" +TARGET_LD_KERNEL_ARCH ?= "" +HOST_LD_KERNEL_ARCH ?= "${TARGET_LD_KERNEL_ARCH}" +TARGET_AR_KERNEL_ARCH ?= "" +HOST_AR_KERNEL_ARCH ?= "${TARGET_AR_KERNEL_ARCH}" + +KERNEL_CC = "${CCACHE}${HOST_PREFIX}gcc ${HOST_CC_KERNEL_ARCH} -fuse-ld=bfd" +KERNEL_LD = "${CCACHE}${HOST_PREFIX}ld.bfd ${HOST_LD_KERNEL_ARCH}" +KERNEL_AR = "${CCACHE}${HOST_PREFIX}ar ${HOST_AR_KERNEL_ARCH}" + |