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d38726c485
Add dtb files to build targets and let kbuild handle them. Thus, special dtbs rules can be removed. This eases Makefiles and the implementation of the support of vendor dtb subdirectories. Signed-off-by: Robert Richter <rrichter@cavium.com>
100 lines
2.7 KiB
Makefile
100 lines
2.7 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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OBJCOPYFLAGS :=-O binary -R .note -R .note.gnu.build-id -R .comment -S
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GZFLAGS :=-9
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LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
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KBUILD_DEFCONFIG := defconfig
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KBUILD_CFLAGS += -mgeneral-regs-only
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ifeq ($(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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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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endif
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CHECKFLAGS += -D__aarch64__
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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 := $(shell awk 'BEGIN {srand(); printf "0x%03x000\n", int(512 * rand())}')
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else
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TEXT_OFFSET := 0x00080000
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endif
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export TEXT_OFFSET GZFLAGS
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core-y += arch/arm64/kernel/ arch/arm64/mm/
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core-$(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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libs-y += $(LIBGCC)
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libs-$(CONFIG_EFI_STUB) += drivers/firmware/efi/libstub/
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# Default target when executing plain make
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KBUILD_IMAGE := Image.gz
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KBUILD_DTBS := dtbs
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all: $(KBUILD_IMAGE) $(KBUILD_DTBS)
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boot := arch/arm64/boot
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Image Image.gz: vmlinux
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$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
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zinstall install: vmlinux
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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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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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