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