Makefile 2.9 KB

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  1. #
  2. # linux/arch/arm/boot/compressed/Makefile
  3. #
  4. # create a compressed vmlinuz image from the original vmlinux
  5. #
  6. AFLAGS_head.o += -DTEXT_OFFSET=$(TEXT_OFFSET)
  7. HEAD = head.o
  8. OBJS = misc.o decompress.o
  9. FONTC = $(srctree)/drivers/video/console/font_acorn_8x8.c
  10. #
  11. # Architecture dependencies
  12. #
  13. ifeq ($(CONFIG_ARCH_ACORN),y)
  14. OBJS += ll_char_wr.o font.o
  15. endif
  16. ifeq ($(CONFIG_ARCH_SHARK),y)
  17. OBJS += head-shark.o ofw-shark.o
  18. endif
  19. ifeq ($(CONFIG_ARCH_P720T),y)
  20. # Borrow this code from SA1100
  21. OBJS += head-sa1100.o
  22. endif
  23. ifeq ($(CONFIG_ARCH_SA1100),y)
  24. OBJS += head-sa1100.o
  25. endif
  26. ifeq ($(CONFIG_CPU_XSCALE),y)
  27. OBJS += head-xscale.o
  28. endif
  29. ifeq ($(CONFIG_PXA_SHARPSL_DETECT_MACH_ID),y)
  30. OBJS += head-sharpsl.o
  31. endif
  32. ifeq ($(CONFIG_CPU_ENDIAN_BE32),y)
  33. ifeq ($(CONFIG_CPU_CP15),y)
  34. OBJS += big-endian.o
  35. else
  36. # The endian should be set by h/w design.
  37. endif
  38. endif
  39. ifeq ($(CONFIG_ARCH_SHMOBILE),y)
  40. OBJS += head-shmobile.o
  41. endif
  42. #
  43. # We now have a PIC decompressor implementation. Decompressors running
  44. # from RAM should not define ZTEXTADDR. Decompressors running directly
  45. # from ROM or Flash must define ZTEXTADDR (preferably via the config)
  46. # FIXME: Previous assignment to ztextaddr-y is lost here. See SHARK
  47. ifeq ($(CONFIG_ZBOOT_ROM),y)
  48. ZTEXTADDR := $(CONFIG_ZBOOT_ROM_TEXT)
  49. ZBSSADDR := $(CONFIG_ZBOOT_ROM_BSS)
  50. else
  51. ZTEXTADDR := 0
  52. ZBSSADDR := ALIGN(4)
  53. endif
  54. SEDFLAGS = s/TEXT_START/$(ZTEXTADDR)/;s/BSS_START/$(ZBSSADDR)/
  55. suffix_$(CONFIG_KERNEL_GZIP) = gzip
  56. suffix_$(CONFIG_KERNEL_LZO) = lzo
  57. suffix_$(CONFIG_KERNEL_LZMA) = lzma
  58. targets := vmlinux vmlinux.lds \
  59. piggy.$(suffix_y) piggy.$(suffix_y).o \
  60. font.o font.c head.o misc.o $(OBJS)
  61. # Make sure files are removed during clean
  62. extra-y += piggy.gzip piggy.lzo piggy.lzma lib1funcs.S
  63. ifeq ($(CONFIG_FUNCTION_TRACER),y)
  64. ORIG_CFLAGS := $(KBUILD_CFLAGS)
  65. KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS))
  66. endif
  67. EXTRA_CFLAGS := -fpic -fno-builtin
  68. EXTRA_AFLAGS := -Wa,-march=all
  69. # Supply ZRELADDR to the decompressor via a linker symbol.
  70. ifneq ($(CONFIG_AUTO_ZRELADDR),y)
  71. LDFLAGS_vmlinux := --defsym zreladdr=$(ZRELADDR)
  72. endif
  73. ifeq ($(CONFIG_CPU_ENDIAN_BE8),y)
  74. LDFLAGS_vmlinux += --be8
  75. endif
  76. # ?
  77. LDFLAGS_vmlinux += -p
  78. # Report unresolved symbol references
  79. LDFLAGS_vmlinux += --no-undefined
  80. # Delete all temporary local symbols
  81. LDFLAGS_vmlinux += -X
  82. # Next argument is a linker script
  83. LDFLAGS_vmlinux += -T
  84. # For __aeabi_uidivmod
  85. lib1funcs = $(obj)/lib1funcs.o
  86. $(obj)/lib1funcs.S: $(srctree)/arch/$(SRCARCH)/lib/lib1funcs.S FORCE
  87. $(call cmd,shipped)
  88. $(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/$(HEAD) $(obj)/piggy.$(suffix_y).o \
  89. $(addprefix $(obj)/, $(OBJS)) $(lib1funcs) FORCE
  90. $(call if_changed,ld)
  91. @:
  92. $(obj)/piggy.$(suffix_y): $(obj)/../Image FORCE
  93. $(call if_changed,$(suffix_y))
  94. $(obj)/piggy.$(suffix_y).o: $(obj)/piggy.$(suffix_y) FORCE
  95. CFLAGS_font.o := -Dstatic=
  96. $(obj)/font.c: $(FONTC)
  97. $(call cmd,shipped)
  98. $(obj)/vmlinux.lds: $(obj)/vmlinux.lds.in arch/arm/boot/Makefile $(KCONFIG_CONFIG)
  99. @sed "$(SEDFLAGS)" < $< > $@