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.xz vmlinux.bin.lzo \
  10                    head_$(BITS).o misc.o piggy.o
  11
  12 OBJECTS = $(obj)/head_$(BITS).o $(obj)/misc.o $(obj)/cache.o
  13
  14 GCOV_PROFILE := n
  15
  16 #
  17 # IMAGE_OFFSET is the load offset of the compression loader
  18 #
  19 ifeq ($(CONFIG_32BIT),y)
  20 IMAGE_OFFSET    := $(shell /bin/bash -c 'printf "0x%08x" \
  21                      $$[$(CONFIG_MEMORY_START)  + \
  22                         $(CONFIG_BOOT_LINK_OFFSET)]')
  23 else
  24 IMAGE_OFFSET    := $(shell /bin/bash -c 'printf "0x%08x" \
  25                      $$[$(CONFIG_PAGE_OFFSET)  + \
  26                         $(KERNEL_MEMORY) + \
  27                         $(CONFIG_BOOT_LINK_OFFSET)]')
  28 endif
  29
  30 LIBGCC  := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
  31
  32 ifeq ($(CONFIG_MCOUNT),y)
  33 ORIG_CFLAGS := $(KBUILD_CFLAGS)
  34 KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS))
  35 endif
  36
  37 LDFLAGS_vmlinux := --oformat $(ld-bfd) -Ttext $(IMAGE_OFFSET) -e startup \
  38                    -T $(obj)/../../kernel/vmlinux.lds
  39
  40 $(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o $(LIBGCC) FORCE
  41         $(call if_changed,ld)
  42         @:
  43
  44 $(obj)/vmlinux.bin: vmlinux FORCE
  45         $(call if_changed,objcopy)
  46
  47 vmlinux.bin.all-y := $(obj)/vmlinux.bin
  48
  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)
  59
  60 OBJCOPYFLAGS += -R .empty_zero_page
  61
  62 LDFLAGS_piggy.o := -r --format binary --oformat $(ld-bfd) -T
  63
  64 $(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE
  65         $(call if_changed,ld)