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46 lines
1.1 KiB
46 lines
1.1 KiB
#
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# linux/arch/sh/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 \
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head_32.o misc_32.o piggy.o
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OBJECTS = $(obj)/head_32.o $(obj)/misc_32.o
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ifdef CONFIG_SH_STANDARD_BIOS
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OBJECTS += $(obj)/../../kernel/sh_bios.o
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endif
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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 /bin/bash -c 'printf "0x%08x" \
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$$[$(CONFIG_PAGE_OFFSET) + \
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$(CONFIG_MEMORY_START) + \
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$(CONFIG_BOOT_LINK_OFFSET)]')
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LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
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ifeq ($(CONFIG_FUNCTION_TRACER),y)
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ORIG_CFLAGS := $(KBUILD_CFLAGS)
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KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS))
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endif
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LDFLAGS_vmlinux := -Ttext $(IMAGE_OFFSET) -e startup -T $(obj)/../../kernel/vmlinux.lds
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$(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o $(LIBGCC) FORCE
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$(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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OBJCOPYFLAGS += -R .empty_zero_page
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$(obj)/piggy.o: $(obj)/piggy.S $(obj)/vmlinux.bin.gz FORCE
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$(call if_changed,as_o_S)
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