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                    head_$(BITS).o misc.o piggy.o
  10
  11 OBJECTS = $(obj)/head_$(BITS).o $(obj)/misc.o $(obj)/cache.o
  12
  13 ifdef CONFIG_SH_STANDARD_BIOS
  14 OBJECTS += $(obj)/../../kernel/sh_bios.o
  15 endif
  16
  17 #
  18 # IMAGE_OFFSET is the load offset of the compression loader
  19 #
  20 IMAGE_OFFSET    := $(shell /bin/bash -c 'printf "0x%08x" \
  21                      $$[$(CONFIG_PAGE_OFFSET)  + \
  22                         $(KERNEL_MEMORY) + \
  23                         $(CONFIG_BOOT_LINK_OFFSET)]')
  24
  25 LIBGCC  := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
  26
  27 ifeq ($(CONFIG_MCOUNT),y)
  28 ORIG_CFLAGS := $(KBUILD_CFLAGS)
  29 KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS))
  30 endif
  31
  32 LDFLAGS_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
  42 vmlinux.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         $(call if_changed,lzma)
  50
  51 suffix-$(CONFIG_KERNEL_GZIP)    := gz
  52 suffix-$(CONFIG_KERNEL_BZIP2)   := bz2
  53 suffix-$(CONFIG_KERNEL_LZMA)    := lzma
  54
  55 OBJCOPYFLAGS += -R .empty_zero_page
  56
  57 LDFLAGS_piggy.o := -r --format binary --oformat $(ld-bfd) -T
  58
  59 $(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE
  60         $(call if_changed,ld)