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.xz vmlinux.bin.lzo \ 10 head_$(BITS).o misc.o piggy.o 11 12OBJECTS = $(obj)/head_$(BITS).o $(obj)/misc.o $(obj)/cache.o 13 14GCOV_PROFILE := n 15 16# 17# IMAGE_OFFSET is the load offset of the compression loader 18# 19ifeq ($(CONFIG_32BIT),y) 20IMAGE_OFFSET := $(shell /bin/bash -c 'printf "0x%08x" \ 21 $$[$(CONFIG_MEMORY_START) + \ 22 $(CONFIG_BOOT_LINK_OFFSET)]') 23else 24IMAGE_OFFSET := $(shell /bin/bash -c 'printf "0x%08x" \ 25 $$[$(CONFIG_PAGE_OFFSET) + \ 26 $(KERNEL_MEMORY) + \ 27 $(CONFIG_BOOT_LINK_OFFSET)]') 28endif 29 30LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) 31 32ifeq ($(CONFIG_MCOUNT),y) 33ORIG_CFLAGS := $(KBUILD_CFLAGS) 34KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS)) 35endif 36 37LDFLAGS_vmlinux := --oformat $(ld-bfd) -Ttext $(IMAGE_OFFSET) -e startup \ 38 -T $(obj)/../../kernel/vmlinux.lds 39 40$(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o $(LIBGCC) FORCE 41 $(call if_changed,ld) 42 @: 43 44$(obj)/vmlinux.bin: vmlinux FORCE 45 $(call if_changed,objcopy) 46 47vmlinux.bin.all-y := $(obj)/vmlinux.bin 48 49$(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) FORCE 50 $(call if_changed,gzip) 51$(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE 52 $(call if_changed,bzip2) 53$(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE 54 $(call if_changed,lzma) 55$(obj)/vmlinux.bin.xz: $(vmlinux.bin.all-y) FORCE 56 $(call if_changed,xzkern) 57$(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) FORCE 58 $(call if_changed,lzo) 59 60OBJCOPYFLAGS += -R .empty_zero_page 61 62LDFLAGS_piggy.o := -r --format binary --oformat $(ld-bfd) -T 63 64$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE 65 $(call if_changed,ld) 66