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b72ee82a35
Building external kernel modules like lttng-modules was showing build paths inside the debug symbols for the modules and breaking build reproducibility. Fix this by adding in the mapping needed to map the kernel build directory to something more approriate on target. (From OE-Core rev: b56dc9009ba93174de6bf4c01e17808ef249dc5c) Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
69 lines
2.7 KiB
Plaintext
69 lines
2.7 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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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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nios2 arc riscv xtensa"
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def map_kernel_arch(a, d):
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import re
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valid_archs = d.getVar('valid_archs').split()
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if re.match('(i.86|athlon|x86.64)$', a): return 'x86'
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elif re.match('arceb$', a): return 'arc'
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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$', a): return 'arm64'
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elif re.match('aarch64_ilp32$', a): return 'arm64'
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elif re.match('aarch64_be_ilp32$', a): return 'arm64'
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elif re.match('mips(isa|)(32|64|)(r6|)(el|)$', a): return 'mips'
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elif re.match('mcf', a): return 'm68k'
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elif re.match('riscv(32|64|)(eb|)$', a): return 'riscv'
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elif re.match('p(pc|owerpc)(|64)', a): return 'powerpc'
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elif re.match('sh(3|4)$', a): return 'sh'
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elif re.match('bfin', a): return 'blackfin'
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elif re.match('microblazee[bl]', a): return 'microblaze'
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elif a in valid_archs: return a
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else:
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if not d.getVar("TARGET_OS").startswith("linux"):
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return a
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bb.error("cannot map '%s' to a linux kernel architecture" % a)
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export ARCH = "${@map_kernel_arch(d.getVar('TARGET_ARCH'), d)}"
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def map_uboot_arch(a, d):
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import re
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if re.match('p(pc|owerpc)(|64)', a): return 'ppc'
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elif re.match('i.86$', a): return 'x86'
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return a
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export UBOOT_ARCH = "${@map_uboot_arch(d.getVar('ARCH'), d)}"
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# Set TARGET_??_KERNEL_ARCH in the machine .conf to set architecture
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# specific options necessary for building the kernel and modules.
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TARGET_CC_KERNEL_ARCH ?= ""
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HOST_CC_KERNEL_ARCH ?= "${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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KERNEL_CC = "${CCACHE}${HOST_PREFIX}gcc ${HOST_CC_KERNEL_ARCH} -fuse-ld=bfd ${DEBUG_PREFIX_MAP} -fdebug-prefix-map=${STAGING_KERNEL_DIR}=${KERNEL_SRC_PATH} -fdebug-prefix-map=${STAGING_KERNEL_BUILDDIR}=${KERNEL_SRC_PATH}"
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KERNEL_LD = "${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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TOOLCHAIN = "gcc"
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