42 lines
1.1 KiB
Makefile
42 lines
1.1 KiB
Makefile
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#
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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 head.o misc.o piggy.o
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EXTRA_AFLAGS := -traditional
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OBJECTS = $(obj)/head.o $(obj)/misc.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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# Assign dummy values if these 2 variables are not defined,
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# in order to suppress error message.
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#
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CONFIG_MEMORY_START ?= 0x0c000000
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CONFIG_BOOT_LINK_OFFSET ?= 0x00800000
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IMAGE_OFFSET := $(shell printf "0x%8x" $$[0x80000000+$(CONFIG_MEMORY_START)+$(CONFIG_BOOT_LINK_OFFSET)])
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LDFLAGS_vmlinux := -Ttext $(IMAGE_OFFSET) -e startup -T $(obj)/../../kernel/vmlinux.lds
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$(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o FORCE
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$(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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LDFLAGS_piggy.o := -r --format binary --oformat elf32-sh-linux -T
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OBJCOPYFLAGS += -R .empty_zero_page
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$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.gz FORCE
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$(call if_changed,ld)
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