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