52 lines
1.3 KiB
Makefile
52 lines
1.3 KiB
Makefile
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#
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# linux/arch/m32r/boot/compressed/Makefile
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#
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# create a compressed vmlinux image from the original vmlinux
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#
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targets := vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 \
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vmlinux.bin.lzma head.o misc.o piggy.o vmlinux.lds
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OBJECTS = $(obj)/head.o $(obj)/misc.o
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#
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# IMAGE_OFFSET is the load offset of the compression loader
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#
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#IMAGE_OFFSET := $(shell printf "0x%08x" $$[$(CONFIG_MEMORY_START)+0x2000])
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#IMAGE_OFFSET := $(shell printf "0x%08x" $$[$(CONFIG_MEMORY_START)+0x00400000])
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LDFLAGS_vmlinux := -T
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$(obj)/vmlinux: $(obj)/vmlinux.lds $(OBJECTS) $(obj)/piggy.o FORCE
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$(call if_changed,ld)
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@:
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$(obj)/vmlinux.bin: vmlinux FORCE
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$(call if_changed,objcopy)
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$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
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$(call if_changed,gzip)
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$(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE
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$(call if_changed,bzip2)
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$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE
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$(call if_changed,lzma)
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CFLAGS_misc.o += -fpic
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ifdef CONFIG_MMU
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LDFLAGS_piggy.o := -r --format binary --oformat elf32-m32r-linux -T
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else
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LDFLAGS_piggy.o := -r --format binary --oformat elf32-m32r -T
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endif
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OBJCOPYFLAGS += -R .empty_zero_page
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suffix_$(CONFIG_KERNEL_GZIP) = gz
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suffix_$(CONFIG_KERNEL_BZIP2) = bz2
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suffix_$(CONFIG_KERNEL_LZMA) = lzma
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$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE
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$(call if_changed,ld)
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