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                         $(CONFIG_BOOT_LINK_OFFSET)]')
  28 endif
  29
  30 ifeq ($(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 $(obj)/../../kernel/vmlinux.lds
  37
  38 #
  39 # Pull in the necessary libgcc bits from the in-kernel implementation.
  40 #
  41 lib1funcs-$(CONFIG_SUPERH32)    := ashiftrt.S ashldi3.c ashrsi3.S ashlsi3.S \
  42                                    lshrsi3.S
  43 lib1funcs-obj                   := \
  44         $(addsuffix .o, $(basename $(addprefix $(obj)/, $(lib1funcs-y))))
  45
  46 lib1funcs-dir           := $(srctree)/arch/$(SRCARCH)/lib
  47 ifeq ($(BITS),64)
  48         lib1funcs-dir   := $(addsuffix $(BITS), $(lib1funcs-dir))
  49 endif
  50
  51 KBUILD_CFLAGS += -I$(lib1funcs-dir)
  52
  53 $(addprefix $(obj)/,$(lib1funcs-y)): $(obj)/%: $(lib1funcs-dir)/% FORCE
  54         $(call cmd,shipped)
  55
  56 $(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o $(lib1funcs-obj) FORCE
  57         $(call if_changed,ld)
  58         @:
  59
  60 $(obj)/vmlinux.bin: vmlinux FORCE
  61         $(call if_changed,objcopy)
  62
  63 vmlinux.bin.all-y := $(obj)/vmlinux.bin
  64
  65 $(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) FORCE
  66         $(call if_changed,gzip)
  67 $(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE
  68         $(call if_changed,bzip2)
  69 $(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE
  70         $(call if_changed,lzma)
  71 $(obj)/vmlinux.bin.xz: $(vmlinux.bin.all-y) FORCE
  72         $(call if_changed,xzkern)
  73 $(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) FORCE
  74         $(call if_changed,lzo)
  75
  76 OBJCOPYFLAGS += -R .empty_zero_page
  77
  78 LDFLAGS_piggy.o := -r --format binary --oformat $(ld-bfd) -T
  79
  80 $(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE
  81         $(call if_changed,ld)