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Patrick Williamsc124f4f2015-09-15 14:41:29 -05001#
2# set the ARCH environment variable for kernel compilation (including
3# modules). return value must match one of the architecture directories
4# in the kernel source "arch" directory
5#
6
7valid_archs = "alpha cris ia64 \
8 i386 x86 \
9 m68knommu m68k ppc powerpc powerpc64 ppc64 \
10 sparc sparc64 \
11 arm aarch64 \
12 m32r mips \
13 sh sh64 um h8300 \
14 parisc s390 v850 \
15 avr32 blackfin \
Patrick Williamsf1e5d692016-03-30 15:21:19 -050016 microblaze \
17 nios2"
Patrick Williamsc124f4f2015-09-15 14:41:29 -050018
19def map_kernel_arch(a, d):
20 import re
21
22 valid_archs = d.getVar('valid_archs', True).split()
23
Patrick Williamsf1e5d692016-03-30 15:21:19 -050024 if re.match('i.86$', a): return 'i386'
25 elif re.match('x86.64$', a): return 'x86_64'
26 elif re.match('athlon$', a): return 'x86'
Patrick Williamsc124f4f2015-09-15 14:41:29 -050027 elif re.match('armeb$', a): return 'arm'
28 elif re.match('aarch64$', a): return 'arm64'
29 elif re.match('aarch64_be$', a): return 'arm64'
30 elif re.match('mips(el|64|64el)$', a): return 'mips'
31 elif re.match('p(pc|owerpc)(|64)', a): return 'powerpc'
32 elif re.match('sh(3|4)$', a): return 'sh'
33 elif re.match('bfin', a): return 'blackfin'
34 elif re.match('microblazee[bl]', a): return 'microblaze'
35 elif a in valid_archs: return a
36 else:
37 bb.error("cannot map '%s' to a linux kernel architecture" % a)
38
39export ARCH = "${@map_kernel_arch(d.getVar('TARGET_ARCH', True), d)}"
40
41def map_uboot_arch(a, d):
42 import re
43
44 if re.match('p(pc|owerpc)(|64)', a): return 'ppc'
45 elif re.match('i.86$', a): return 'x86'
46 return a
47
48export UBOOT_ARCH = "${@map_uboot_arch(d.getVar('ARCH', True), d)}"
49
50# Set TARGET_??_KERNEL_ARCH in the machine .conf to set architecture
51# specific options necessary for building the kernel and modules.
52TARGET_CC_KERNEL_ARCH ?= ""
53HOST_CC_KERNEL_ARCH ?= "${TARGET_CC_KERNEL_ARCH}"
54TARGET_LD_KERNEL_ARCH ?= ""
55HOST_LD_KERNEL_ARCH ?= "${TARGET_LD_KERNEL_ARCH}"
56TARGET_AR_KERNEL_ARCH ?= ""
57HOST_AR_KERNEL_ARCH ?= "${TARGET_AR_KERNEL_ARCH}"
58
59KERNEL_CC = "${CCACHE}${HOST_PREFIX}gcc ${HOST_CC_KERNEL_ARCH} -fuse-ld=bfd"
60KERNEL_LD = "${CCACHE}${HOST_PREFIX}ld.bfd ${HOST_LD_KERNEL_ARCH}"
61KERNEL_AR = "${CCACHE}${HOST_PREFIX}ar ${HOST_AR_KERNEL_ARCH}"
62