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#
# 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 \
x86_64,i386 \
m68knommu m68k ppc powerpc ppc64 \
sparc sparc64 \
arm arm26 \
m32r mips \
sh sh64 um h8300 \
parisc s390 v850 \
avr32 blackfin"
def map_kernel_arch(a, d):
import bb, re
valid_archs = bb.data.getVar('valid_archs', d, 1).split()
if re.match('(i.86|athlon)$', a): return 'i386'
elif re.match('arm26$', a): return 'arm26'
elif re.match('armeb$', a): return 'arm'
elif re.match('mipsel$', a): return 'mips'
elif re.match('sh(3|4)$', a): return 'sh'
elif re.match('bfin', a): return 'blackfin'
elif a in valid_archs: return a
else:
bb.error("cannot map '%s' to a linux kernel architecture" % a)
export ARCH = "${@map_kernel_arch(bb.data.getVar('TARGET_ARCH', d, 1), d)}"
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