blob: ea976c66b3f93df2f150e082c29325c44cbab81b [file] [log] [blame]
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 \
Patrick Williamsc0f7c042017-02-23 20:41:17 -060017 nios2 arc xtensa"
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 Williamsd8c66bc2016-06-20 12:57:21 -050024 if re.match('(i.86|athlon|x86.64)$', a): return 'x86'
Patrick Williamsc124f4f2015-09-15 14:41:29 -050025 elif re.match('armeb$', a): return 'arm'
26 elif re.match('aarch64$', a): return 'arm64'
27 elif re.match('aarch64_be$', a): return 'arm64'
Patrick Williamsc0f7c042017-02-23 20:41:17 -060028 elif re.match('mips(isa|)(32|64|)(r6|)(el|)$', a): return 'mips'
Patrick Williamsc124f4f2015-09-15 14:41:29 -050029 elif re.match('p(pc|owerpc)(|64)', a): return 'powerpc'
30 elif re.match('sh(3|4)$', a): return 'sh'
31 elif re.match('bfin', a): return 'blackfin'
32 elif re.match('microblazee[bl]', a): return 'microblaze'
33 elif a in valid_archs: return a
34 else:
35 bb.error("cannot map '%s' to a linux kernel architecture" % a)
36
37export ARCH = "${@map_kernel_arch(d.getVar('TARGET_ARCH', True), d)}"
38
39def map_uboot_arch(a, d):
40 import re
41
42 if re.match('p(pc|owerpc)(|64)', a): return 'ppc'
43 elif re.match('i.86$', a): return 'x86'
44 return a
45
46export UBOOT_ARCH = "${@map_uboot_arch(d.getVar('ARCH', True), d)}"
47
48# Set TARGET_??_KERNEL_ARCH in the machine .conf to set architecture
49# specific options necessary for building the kernel and modules.
50TARGET_CC_KERNEL_ARCH ?= ""
51HOST_CC_KERNEL_ARCH ?= "${TARGET_CC_KERNEL_ARCH}"
52TARGET_LD_KERNEL_ARCH ?= ""
53HOST_LD_KERNEL_ARCH ?= "${TARGET_LD_KERNEL_ARCH}"
54TARGET_AR_KERNEL_ARCH ?= ""
55HOST_AR_KERNEL_ARCH ?= "${TARGET_AR_KERNEL_ARCH}"
56
57KERNEL_CC = "${CCACHE}${HOST_PREFIX}gcc ${HOST_CC_KERNEL_ARCH} -fuse-ld=bfd"
58KERNEL_LD = "${CCACHE}${HOST_PREFIX}ld.bfd ${HOST_LD_KERNEL_ARCH}"
59KERNEL_AR = "${CCACHE}${HOST_PREFIX}ar ${HOST_AR_KERNEL_ARCH}"
60