60 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			60 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| #
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| # set the ARCH environment variable for kernel compilation (including
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| # modules). return value must match one of the architecture directories
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| # in the kernel source "arch" directory
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| #
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| 
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| valid_archs = "alpha cris ia64 \
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|                i386 x86 \
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|                m68knommu m68k ppc powerpc powerpc64 ppc64  \
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|                sparc sparc64 \
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|                arm aarch64 \
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|                m32r mips \
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|                sh sh64 um h8300   \
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|                parisc s390  v850 \
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|                avr32 blackfin \
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|                microblaze"
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| 
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| def map_kernel_arch(a, d):
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|     import re
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| 
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|     valid_archs = d.getVar('valid_archs', True).split()
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| 
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|     if   re.match('(i.86|athlon|x86.64)$', a):  return 'x86'
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|     elif re.match('armeb$', a):                 return 'arm'
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|     elif re.match('aarch64$', a):               return 'arm64'
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|     elif re.match('aarch64_be$', a):            return 'arm64'
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|     elif re.match('mips(el|64|64el)$', a):      return 'mips'
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|     elif re.match('p(pc|owerpc)(|64)', a):      return 'powerpc'
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|     elif re.match('sh(3|4)$', a):               return 'sh'
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|     elif re.match('bfin', a):                   return 'blackfin'
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|     elif re.match('microblazeel', a):           return 'microblaze'
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|     elif a in valid_archs:                      return a
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|     else:
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|         bb.error("cannot map '%s' to a linux kernel architecture" % a)
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| 
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| export ARCH = "${@map_kernel_arch(d.getVar('TARGET_ARCH', True), d)}"
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| 
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| def map_uboot_arch(a, d):
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|     import re
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| 
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|     if   re.match('p(pc|owerpc)(|64)', a): return 'ppc'
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|     elif re.match('i.86$', a): return 'x86'
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|     return a
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| 
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| export UBOOT_ARCH = "${@map_uboot_arch(d.getVar('ARCH', True), d)}"
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| 
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| # Set TARGET_??_KERNEL_ARCH in the machine .conf to set architecture
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| # specific options necessary for building the kernel and modules.
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| TARGET_CC_KERNEL_ARCH ?= ""
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| HOST_CC_KERNEL_ARCH ?= "${TARGET_CC_KERNEL_ARCH}"
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| TARGET_LD_KERNEL_ARCH ?= ""
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| HOST_LD_KERNEL_ARCH ?= "${TARGET_LD_KERNEL_ARCH}"
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| TARGET_AR_KERNEL_ARCH ?= ""
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| HOST_AR_KERNEL_ARCH ?= "${TARGET_AR_KERNEL_ARCH}"
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| 
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| KERNEL_CC = "${CCACHE}${HOST_PREFIX}gcc ${HOST_CC_KERNEL_ARCH}"
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| KERNEL_LD = "${CCACHE}${HOST_PREFIX}ld.bfd ${HOST_LD_KERNEL_ARCH}"
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| KERNEL_AR = "${CCACHE}${HOST_PREFIX}ar ${HOST_AR_KERNEL_ARCH}"
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| 
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