1# 2# linux/arch/sh/boot/compressed/Makefile 3# 4# create a compressed vmlinux image from the original vmlinux 5# 6 7targets := vmlinux vmlinux.bin vmlinux.bin.gz \ 8 vmlinux.bin.bz2 vmlinux.bin.lzma \ 9 vmlinux.bin.lzo \ 10 head_$(BITS).o misc.o piggy.o 11 12OBJECTS = $(obj)/head_$(BITS).o $(obj)/misc.o $(obj)/cache.o 13 14ifdef CONFIG_SH_STANDARD_BIOS 15OBJECTS += $(obj)/../../kernel/sh_bios.o 16endif 17 18# 19# IMAGE_OFFSET is the load offset of the compression loader 20# 21IMAGE_OFFSET := $(shell /bin/bash -c 'printf "0x%08x" \ 22 $$[$(CONFIG_PAGE_OFFSET) + \ 23 $(KERNEL_MEMORY) + \ 24 $(CONFIG_BOOT_LINK_OFFSET)]') 25 26LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) 27 28ifeq ($(CONFIG_MCOUNT),y) 29ORIG_CFLAGS := $(KBUILD_CFLAGS) 30KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS)) 31endif 32 33LDFLAGS_vmlinux := --oformat $(ld-bfd) -Ttext $(IMAGE_OFFSET) -e startup \ 34 -T $(obj)/../../kernel/vmlinux.lds 35 36$(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o $(LIBGCC) FORCE 37 $(call if_changed,ld) 38 @: 39 40$(obj)/vmlinux.bin: vmlinux FORCE 41 $(call if_changed,objcopy) 42 43vmlinux.bin.all-y := $(obj)/vmlinux.bin 44 45$(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) FORCE 46 $(call if_changed,gzip) 47$(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE 48 $(call if_changed,bzip2) 49$(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE 50 $(call if_changed,lzma) 51$(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) FORCE 52 $(call if_changed,lzo) 53 54OBJCOPYFLAGS += -R .empty_zero_page 55 56LDFLAGS_piggy.o := -r --format binary --oformat $(ld-bfd) -T 57 58$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE 59 $(call if_changed,ld) 60