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