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23ea3f62f3
- Clean up builddeb script - Use full path for KBUILD_IMAGE to fix rpm-pkg build - Fix objdiff tool to ignore debug info -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABAgAGBQJZE6tOAAoJED2LAQed4NsG2o4P/ii2YuHMrxUh5J6KbC1ilLLC aGcapg+CQ+pFqMeVIbofaEdJI/+vofajG8Eh5vVr8R4Hj3i7PA+2AFgg3cNe2hFE OSHJbb3YTkYJJzG+s+BynF1dla03Yyo/sOHoV4yRst/hiEJHpLlOJgieIM9bv8pq 1DjBseHSrPGqUtvBuLoNwCbylhgyHiL5FycH//dpVbpNpoiy+HzSrcmXgT+rtbwJ qPEdf5QqapM0T83uxaYDko6VRYBIHOu9kQnVMUKS9+Qsqxm0NzO7Q8fFMdZpA8QY HCTFCQszeJid4VZO7VqKVCV40g3KGdAuCPPW7lZZO0H/AVEVqUv9PWOnuPCiyhJc ZXX7fmehvToHC0lbpC4GCHEQ9VxKF3KiNJUusDkFm63oSmvoaiRR2GGzWidpQ0eq l/lWB2/YygCQjs+kucDLhdIQjW89lkIBehXtZ28gkRYiLCbvQBpINHXrvZ/ai5uO hJ8hVyWnCkghm7alQDCktohMgRmcgUMPTByYcfbQG03vYBVITS9FBzvfSJgmRksQ DhPLakWq2Wlsx7DjjedELmO4JFn17oyi3av71lgiN5FjW9TBLxq3XmeHKu+avjEk LHisT5lCzh0YjyEhfSSkBtz2iyDBZhNUJKmw1Tf89owbKUMPnlxGjZtbmvQkv/qk 5GdCH7YJG+XchdlDi70b =vptn -----END PGP SIGNATURE----- Merge tag 'kbuild-misc-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull misc Kbuild updates from Masahiro Yamada: - clean up builddeb script - use full path for KBUILD_IMAGE to fix rpm-pkg build - fix objdiff tool to ignore debug info * tag 'kbuild-misc-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: builddeb: fix typo builddeb: Update a few outdated and hardcoded strings deb-pkg: Remove the KBUILD_IMAGE workaround unicore32: Use full path in KBUILD_IMAGE definition sh: Use full path in KBUILD_IMAGE definition arc: Use full path in KBUILD_IMAGE definition arm: Use full path in KBUILD_IMAGE definition arm64: Use full path in KBUILD_IMAGE definition scripts: objdiff: Ignore debug info when comparing
162 lines
4.8 KiB
Makefile
162 lines
4.8 KiB
Makefile
#
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# arch/arm64/Makefile
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#
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# This file is included by the global makefile so that you can add your own
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# architecture-specific flags and dependencies.
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#
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# This file is subject to the terms and conditions of the GNU General Public
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# License. See the file "COPYING" in the main directory of this archive
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# for more details.
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#
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# Copyright (C) 1995-2001 by Russell King
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LDFLAGS_vmlinux :=-p --no-undefined -X
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CPPFLAGS_vmlinux.lds = -DTEXT_OFFSET=$(TEXT_OFFSET)
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GZFLAGS :=-9
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ifneq ($(CONFIG_RELOCATABLE),)
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LDFLAGS_vmlinux += -pie -shared -Bsymbolic
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endif
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ifeq ($(CONFIG_ARM64_ERRATUM_843419),y)
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ifeq ($(call ld-option, --fix-cortex-a53-843419),)
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$(warning ld does not support --fix-cortex-a53-843419; kernel may be susceptible to erratum)
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else
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LDFLAGS_vmlinux += --fix-cortex-a53-843419
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endif
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endif
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KBUILD_DEFCONFIG := defconfig
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# Check for binutils support for specific extensions
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lseinstr := $(call as-instr,.arch_extension lse,-DCONFIG_AS_LSE=1)
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ifeq ($(CONFIG_ARM64_LSE_ATOMICS), y)
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ifeq ($(lseinstr),)
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$(warning LSE atomics not supported by binutils)
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endif
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endif
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ifeq ($(CONFIG_ARM64), y)
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brokengasinst := $(call as-instr,1:\n.inst 0\n.rept . - 1b\n\nnop\n.endr\n,,-DCONFIG_BROKEN_GAS_INST=1)
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ifneq ($(brokengasinst),)
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$(warning Detected assembler with broken .inst; disassembly will be unreliable)
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endif
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endif
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KBUILD_CFLAGS += -mgeneral-regs-only $(lseinstr) $(brokengasinst)
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KBUILD_CFLAGS += -fno-asynchronous-unwind-tables
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KBUILD_CFLAGS += $(call cc-option, -mpc-relative-literal-loads)
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KBUILD_AFLAGS += $(lseinstr) $(brokengasinst)
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ifeq ($(CONFIG_CPU_BIG_ENDIAN), y)
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KBUILD_CPPFLAGS += -mbig-endian
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AS += -EB
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LD += -EB
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UTS_MACHINE := aarch64_be
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else
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KBUILD_CPPFLAGS += -mlittle-endian
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AS += -EL
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LD += -EL
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UTS_MACHINE := aarch64
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endif
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CHECKFLAGS += -D__aarch64__
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ifeq ($(CONFIG_ARM64_MODULE_CMODEL_LARGE), y)
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KBUILD_CFLAGS_MODULE += -mcmodel=large
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endif
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ifeq ($(CONFIG_ARM64_MODULE_PLTS),y)
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KBUILD_LDFLAGS_MODULE += -T $(srctree)/arch/arm64/kernel/module.lds
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endif
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# Default value
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head-y := arch/arm64/kernel/head.o
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# The byte offset of the kernel image in RAM from the start of RAM.
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ifeq ($(CONFIG_ARM64_RANDOMIZE_TEXT_OFFSET), y)
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TEXT_OFFSET := $(shell awk "BEGIN {srand(); printf \"0x%06x\n\", \
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int(2 * 1024 * 1024 / (2 ^ $(CONFIG_ARM64_PAGE_SHIFT)) * \
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rand()) * (2 ^ $(CONFIG_ARM64_PAGE_SHIFT))}")
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else
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TEXT_OFFSET := 0x00080000
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endif
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# KASAN_SHADOW_OFFSET = VA_START + (1 << (VA_BITS - 3)) - (1 << 61)
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# in 32-bit arithmetic
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KASAN_SHADOW_OFFSET := $(shell printf "0x%08x00000000\n" $$(( \
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(0xffffffff & (-1 << ($(CONFIG_ARM64_VA_BITS) - 32))) \
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+ (1 << ($(CONFIG_ARM64_VA_BITS) - 32 - 3)) \
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- (1 << (64 - 32 - 3)) )) )
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export TEXT_OFFSET GZFLAGS
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core-y += arch/arm64/kernel/ arch/arm64/mm/
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core-$(CONFIG_NET) += arch/arm64/net/
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core-$(CONFIG_KVM) += arch/arm64/kvm/
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core-$(CONFIG_XEN) += arch/arm64/xen/
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core-$(CONFIG_CRYPTO) += arch/arm64/crypto/
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libs-y := arch/arm64/lib/ $(libs-y)
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core-$(CONFIG_EFI_STUB) += $(objtree)/drivers/firmware/efi/libstub/lib.a
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# Default target when executing plain make
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boot := arch/arm64/boot
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KBUILD_IMAGE := $(boot)/Image.gz
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KBUILD_DTBS := dtbs
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all: Image.gz $(KBUILD_DTBS)
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Image: vmlinux
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$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
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Image.%: Image
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$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
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zinstall install:
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$(Q)$(MAKE) $(build)=$(boot) $@
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%.dtb: scripts
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$(Q)$(MAKE) $(build)=$(boot)/dts $(boot)/dts/$@
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PHONY += dtbs dtbs_install
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dtbs: prepare scripts
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$(Q)$(MAKE) $(build)=$(boot)/dts
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dtbs_install:
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$(Q)$(MAKE) $(dtbinst)=$(boot)/dts
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PHONY += vdso_install
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vdso_install:
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$(Q)$(MAKE) $(build)=arch/arm64/kernel/vdso $@
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# We use MRPROPER_FILES and CLEAN_FILES now
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archclean:
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$(Q)$(MAKE) $(clean)=$(boot)
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$(Q)$(MAKE) $(clean)=$(boot)/dts
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# We need to generate vdso-offsets.h before compiling certain files in kernel/.
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# In order to do that, we should use the archprepare target, but we can't since
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# asm-offsets.h is included in some files used to generate vdso-offsets.h, and
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# asm-offsets.h is built in prepare0, for which archprepare is a dependency.
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# Therefore we need to generate the header after prepare0 has been made, hence
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# this hack.
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prepare: vdso_prepare
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vdso_prepare: prepare0
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$(Q)$(MAKE) $(build)=arch/arm64/kernel/vdso include/generated/vdso-offsets.h
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define archhelp
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echo '* Image.gz - Compressed kernel image (arch/$(ARCH)/boot/Image.gz)'
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echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
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echo '* dtbs - Build device tree blobs for enabled boards'
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echo ' dtbs_install - Install dtbs to $(INSTALL_DTBS_PATH)'
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echo ' install - Install uncompressed kernel'
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echo ' zinstall - Install compressed kernel'
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echo ' Install using (your) ~/bin/installkernel or'
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echo ' (distribution) /sbin/installkernel or'
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echo ' install to $$(INSTALL_PATH) and run lilo'
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endef
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