2 # linux/arch/sh/boot/compressed/Makefile
4 # create a compressed vmlinux image from the original vmlinux
7 targets := 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
12 OBJECTS = $(obj)/head_$(BITS).o $(obj)/misc.o $(obj)/cache.o
17 # IMAGE_OFFSET is the load offset of the compression loader
19 ifeq ($(CONFIG_32BIT),y)
20 IMAGE_OFFSET := $(shell /bin/bash -c 'printf "0x%08x" \
21 $$[$(CONFIG_MEMORY_START) + \
22 $(CONFIG_BOOT_LINK_OFFSET)]')
24 IMAGE_OFFSET := $(shell /bin/bash -c 'printf "0x%08x" \
25 $$[$(CONFIG_PAGE_OFFSET) + \
27 $(CONFIG_BOOT_LINK_OFFSET)]')
30 LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
32 ifeq ($(CONFIG_MCOUNT),y)
33 ORIG_CFLAGS := $(KBUILD_CFLAGS)
34 KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS))
37 LDFLAGS_vmlinux := --oformat $(ld-bfd) -Ttext $(IMAGE_OFFSET) -e startup \
38 -T $(obj)/../../kernel/vmlinux.lds
40 $(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o $(LIBGCC) FORCE
44 $(obj)/vmlinux.bin: vmlinux FORCE
45 $(call if_changed,objcopy)
47 vmlinux.bin.all-y := $(obj)/vmlinux.bin
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)
60 OBJCOPYFLAGS += -R .empty_zero_page
62 LDFLAGS_piggy.o := -r --format binary --oformat $(ld-bfd) -T
64 $(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE