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 ($(CONFIG_ARCH_CAMELOT),y)
  25 OBJS            += head-epxa10db.o
  26 endif
  27
  28 ifeq ($(CONFIG_ARCH_L7200),y)
  29 OBJS            += head-l7200.o
  30 endif
  31
  32 ifeq ($(CONFIG_ARCH_CLPS7500),y)
  33 HEAD            = head-clps7500.o
  34 endif
  35
  36 ifeq ($(CONFIG_ARCH_P720T),y)
  37 # Borrow this code from SA1100
  38 OBJS            += head-sa1100.o
  39 endif
  40
  41 ifeq ($(CONFIG_ARCH_SA1100),y)
  42 OBJS            += head-sa1100.o
  43 endif
  44
  45 ifeq ($(CONFIG_CPU_XSCALE),y)
  46 OBJS            += head-xscale.o
  47 endif
  48
  49 ifeq ($(CONFIG_PXA_SHARPSL),y)
  50 OBJS            += head-sharpsl.o
  51 endif
  52
  53 ifeq ($(CONFIG_DEBUG_ICEDCC),y)
  54 OBJS            += ice-dcc.o
  55 endif
  56
  57 ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
  58 OBJS            += big-endian.o
  59 endif
  60
  61 #
  62 # We now have a PIC decompressor implementation.  Decompressors running
  63 # from RAM should not define ZTEXTADDR.  Decompressors running directly
  64 # from ROM or Flash must define ZTEXTADDR (preferably via the config)
  65 # FIXME: Previous assignment to ztextaddr-y is lost here. See SHARK
  66 ifeq ($(CONFIG_ZBOOT_ROM),y)
  67 ZTEXTADDR       := $(CONFIG_ZBOOT_ROM_TEXT)
  68 ZBSSADDR        := $(CONFIG_ZBOOT_ROM_BSS)
  69 else
  70 ZTEXTADDR       := 0
  71 ZBSSADDR        := ALIGN(4)
  72 endif
  73
  74 SEDFLAGS        = s/TEXT_START/$(ZTEXTADDR)/;s/BSS_START/$(ZBSSADDR)/
  75
  76 targets       := vmlinux vmlinux.lds piggy.gz piggy.o $(FONT) \
  77                  head.o misc.o $(OBJS)
  78 EXTRA_CFLAGS  := -fpic
  79 EXTRA_AFLAGS  :=
  80
  81 # Supply ZRELADDR, INITRD_PHYS and PARAMS_PHYS to the decompressor via
  82 # linker symbols.  We only define initrd_phys and params_phys if the
  83 # machine class defined the corresponding makefile variable.
  84 LDFLAGS_vmlinux := --defsym zreladdr=$(ZRELADDR)
  85 ifneq ($(INITRD_PHYS),)
  86 LDFLAGS_vmlinux += --defsym initrd_phys=$(INITRD_PHYS)
  87 endif
  88 ifneq ($(PARAMS_PHYS),)
  89 LDFLAGS_vmlinux += --defsym params_phys=$(PARAMS_PHYS)
  90 endif
  91 LDFLAGS_vmlinux += -p --no-undefined -X \
  92         $(shell $(CC) $(CFLAGS) --print-libgcc-file-name) -T
  93
  94 # Don't allow any static data in misc.o, which
  95 # would otherwise mess up our GOT table
  96 CFLAGS_misc.o := -Dstatic=
  97
  98 $(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/$(HEAD) $(obj)/piggy.o \
  99                 $(addprefix $(obj)/, $(OBJS)) FORCE
 100         $(call if_changed,ld)
 101         @:
 102
 103 $(obj)/piggy.gz: $(obj)/../Image FORCE
 104         $(call if_changed,gzip)
 105
 106 $(obj)/piggy.o:  $(obj)/piggy.gz FORCE
 107
 108 CFLAGS_font_acorn_8x8.o := -Dstatic=
 109
 110 $(obj)/vmlinux.lds: $(obj)/vmlinux.lds.in arch/arm/boot/Makefile .config
 111         @sed "$(SEDFLAGS)" < $< > $@
 112
 113 $(obj)/misc.o: $(obj)/misc.c include/asm/arch/uncompress.h lib/inflate.c
 114