arch/sh/boot/compressed/Makefile

   1 #
   2 # linux/arch/sh/boot/compressed/Makefile
   3 #
   4 # create a compressed vmlinux image from the original vmlinux
   5 #
   6
   7 targets         := 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
  12 OBJECTS = $(obj)/head_$(BITS).o $(obj)/misc.o $(obj)/cache.o
  13
  14 #
  15 # IMAGE_OFFSET is the load offset of the compression loader
  16 #
  17 IMAGE_OFFSET    := $(shell /bin/bash -c 'printf "0x%08x" \
  18                      $$[$(CONFIG_PAGE_OFFSET)  + \
  19                         $(KERNEL_MEMORY) + \
  20                         $(CONFIG_BOOT_LINK_OFFSET)]')
  21
  22 LIBGCC  := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
  23
  24 ifeq ($(CONFIG_MCOUNT),y)
  25 ORIG_CFLAGS := $(KBUILD_CFLAGS)
  26 KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS))
  27 endif
  28
  29 LDFLAGS_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
  39 vmlinux.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
  50 OBJCOPYFLAGS += -R .empty_zero_page
  51
  52 LDFLAGS_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)