arch/arm/boot/compressed/Makefile

   1 #
   2 # linux/arch/arm/boot/compressed/Makefile
   3 #
   4 # create a compressed vmlinuz image from the original vmlinux
   5 #
   6
   7 HEAD    = head.o
   8 OBJS    = misc.o
   9 FONTC   = drivers/video/console/font_acorn_8x8.c
  10
  11 FONT = $(addprefix ../../../../drivers/video/console/, font_acorn_8x8.o)
  12
  13 #
  14 # Architecture dependencies
  15 #
  16 ifeq ($(CONFIG_ARCH_ACORN),y)
  17 OBJS            += ll_char_wr.o $(FONT)
  18 endif
  19
  20 ifeq ($(CONFIG_ARCH_SHARK),y)
  21 OBJS            += head-shark.o ofw-shark.o
  22 endif
  23
  24 ifeq ($(CONFIG_ARCH_L7200),y)
  25 OBJS            += head-l7200.o
  26 endif
  27
  28 ifeq ($(CONFIG_ARCH_CLPS7500),y)
  29 HEAD            = head-clps7500.o
  30 endif
  31
  32 ifeq ($(CONFIG_ARCH_P720T),y)
  33 # Borrow this code from SA1100
  34 OBJS            += head-sa1100.o
  35 endif
  36
  37 ifeq ($(CONFIG_ARCH_SA1100),y)
  38 OBJS            += head-sa1100.o
  39 endif
  40
  41 ifeq ($(CONFIG_CPU_XSCALE),y)
  42 OBJS            += head-xscale.o
  43 endif
  44
  45 ifeq ($(CONFIG_PXA_SHARPSL),y)
  46 OBJS            += head-sharpsl.o
  47 endif
  48
  49 ifeq ($(CONFIG_ARCH_AT91RM9200),y)
  50 OBJS            += head-at91rm9200.o
  51 endif
  52
  53 ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
  54 OBJS            += big-endian.o
  55 endif
  56
  57 #
  58 # We now have a PIC decompressor implementation.  Decompressors running
  59 # from RAM should not define ZTEXTADDR.  Decompressors running directly
  60 # from ROM or Flash must define ZTEXTADDR (preferably via the config)
  61 # FIXME: Previous assignment to ztextaddr-y is lost here. See SHARK
  62 ifeq ($(CONFIG_ZBOOT_ROM),y)
  63 ZTEXTADDR       := $(CONFIG_ZBOOT_ROM_TEXT)
  64 ZBSSADDR        := $(CONFIG_ZBOOT_ROM_BSS)
  65 else
  66 ZTEXTADDR       := 0
  67 ZBSSADDR        := ALIGN(4)
  68 endif
  69
  70 SEDFLAGS        = s/TEXT_START/$(ZTEXTADDR)/;s/BSS_START/$(ZBSSADDR)/
  71
  72 targets       := vmlinux vmlinux.lds piggy.gz piggy.o $(FONT) \
  73                  head.o misc.o $(OBJS)
  74 EXTRA_CFLAGS  := -fpic
  75 EXTRA_AFLAGS  :=
  76
  77 # Supply ZRELADDR, INITRD_PHYS and PARAMS_PHYS to the decompressor via
  78 # linker symbols.  We only define initrd_phys and params_phys if the
  79 # machine class defined the corresponding makefile variable.
  80 LDFLAGS_vmlinux := --defsym zreladdr=$(ZRELADDR)
  81 ifneq ($(INITRD_PHYS),)
  82 LDFLAGS_vmlinux += --defsym initrd_phys=$(INITRD_PHYS)
  83 endif
  84 ifneq ($(PARAMS_PHYS),)
  85 LDFLAGS_vmlinux += --defsym params_phys=$(PARAMS_PHYS)
  86 endif
  87 LDFLAGS_vmlinux += -p --no-undefined -X \
  88         $(shell $(CC) $(CFLAGS) --print-libgcc-file-name) -T
  89
  90 # Don't allow any static data in misc.o, which
  91 # would otherwise mess up our GOT table
  92 CFLAGS_misc.o := -Dstatic=
  93
  94 $(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/$(HEAD) $(obj)/piggy.o \
  95                 $(addprefix $(obj)/, $(OBJS)) FORCE
  96         $(call if_changed,ld)
  97         @:
  98
  99 $(obj)/piggy.gz: $(obj)/../Image FORCE
 100         $(call if_changed,gzip)
 101
 102 $(obj)/piggy.o:  $(obj)/piggy.gz FORCE
 103
 104 CFLAGS_font_acorn_8x8.o := -Dstatic=
 105
 106 $(obj)/vmlinux.lds: $(obj)/vmlinux.lds.in arch/arm/boot/Makefile .config
 107         @sed "$(SEDFLAGS)" < $< > $@
 108
 109 $(obj)/misc.o: $(obj)/misc.c include/asm/arch/uncompress.h lib/inflate.c
 110