Makefile 3.0 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. HEAD = head.o
  7. OBJS = misc.o decompress.o
  8. FONTC = $(srctree)/drivers/video/console/font_acorn_8x8.c
  9. #
  10. # Architecture dependencies
  11. #
  12. ifeq ($(CONFIG_ARCH_ACORN),y)
  13. OBJS += ll_char_wr.o font.o
  14. endif
  15. ifeq ($(CONFIG_ARCH_SHARK),y)
  16. OBJS += head-shark.o ofw-shark.o
  17. endif
  18. ifeq ($(CONFIG_ARCH_P720T),y)
  19. # Borrow this code from SA1100
  20. OBJS += head-sa1100.o
  21. endif
  22. ifeq ($(CONFIG_ARCH_SA1100),y)
  23. OBJS += head-sa1100.o
  24. endif
  25. ifeq ($(CONFIG_CPU_XSCALE),y)
  26. OBJS += head-xscale.o
  27. endif
  28. ifeq ($(CONFIG_PXA_SHARPSL),y)
  29. OBJS += head-sharpsl.o
  30. endif
  31. ifeq ($(CONFIG_CPU_ENDIAN_BE32),y)
  32. ifeq ($(CONFIG_CPU_CP15),y)
  33. OBJS += big-endian.o
  34. else
  35. # The endian should be set by h/w design.
  36. endif
  37. endif
  38. #
  39. # We now have a PIC decompressor implementation. Decompressors running
  40. # from RAM should not define ZTEXTADDR. Decompressors running directly
  41. # from ROM or Flash must define ZTEXTADDR (preferably via the config)
  42. # FIXME: Previous assignment to ztextaddr-y is lost here. See SHARK
  43. ifeq ($(CONFIG_ZBOOT_ROM),y)
  44. ZTEXTADDR := $(CONFIG_ZBOOT_ROM_TEXT)
  45. ZBSSADDR := $(CONFIG_ZBOOT_ROM_BSS)
  46. else
  47. ZTEXTADDR := 0
  48. ZBSSADDR := ALIGN(4)
  49. endif
  50. SEDFLAGS = s/TEXT_START/$(ZTEXTADDR)/;s/BSS_START/$(ZBSSADDR)/
  51. suffix_$(CONFIG_KERNEL_GZIP) = gzip
  52. suffix_$(CONFIG_KERNEL_LZO) = lzo
  53. suffix_$(CONFIG_KERNEL_LZMA) = lzma
  54. targets := vmlinux vmlinux.lds \
  55. piggy.$(suffix_y) piggy.$(suffix_y).o \
  56. font.o font.c head.o misc.o $(OBJS)
  57. ifeq ($(CONFIG_FUNCTION_TRACER),y)
  58. ORIG_CFLAGS := $(KBUILD_CFLAGS)
  59. KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS))
  60. endif
  61. EXTRA_CFLAGS := -fpic -fno-builtin
  62. EXTRA_AFLAGS := -Wa,-march=all
  63. # Supply ZRELADDR, INITRD_PHYS and PARAMS_PHYS to the decompressor via
  64. # linker symbols. We only define initrd_phys and params_phys if the
  65. # machine class defined the corresponding makefile variable.
  66. LDFLAGS_vmlinux := --defsym zreladdr=$(ZRELADDR)
  67. ifeq ($(CONFIG_CPU_ENDIAN_BE8),y)
  68. LDFLAGS_vmlinux += --be8
  69. endif
  70. ifneq ($(INITRD_PHYS),)
  71. LDFLAGS_vmlinux += --defsym initrd_phys=$(INITRD_PHYS)
  72. endif
  73. ifneq ($(PARAMS_PHYS),)
  74. LDFLAGS_vmlinux += --defsym params_phys=$(PARAMS_PHYS)
  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: $(obj)/vmlinux.lds.in arch/arm/boot/Makefile .config
  99. @sed "$(SEDFLAGS)" < $< > $@