Makefile 4.3 KB

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  1. #
  2. # i386/Makefile
  3. #
  4. # This file is included by the global makefile so that you can add your own
  5. # architecture-specific flags and dependencies. Remember to do have actions
  6. # for "archclean" cleaning up for this architecture.
  7. #
  8. # This file is subject to the terms and conditions of the GNU General Public
  9. # License. See the file "COPYING" in the main directory of this archive
  10. # for more details.
  11. #
  12. # Copyright (C) 1994 by Linus Torvalds
  13. #
  14. # 19990713 Artur Skawina <skawina@geocities.com>
  15. # Added '-march' and '-mpreferred-stack-boundary' support
  16. #
  17. # 20050320 Kianusch Sayah Karadji <kianusch@sk-tech.net>
  18. # Added support for GEODE CPU
  19. HAS_BIARCH := $(call cc-option-yn, -m32)
  20. ifeq ($(HAS_BIARCH),y)
  21. AS := $(AS) --32
  22. LD := $(LD) -m elf_i386
  23. CC := $(CC) -m32
  24. endif
  25. LDFLAGS := -m elf_i386
  26. OBJCOPYFLAGS := -O binary -R .note -R .comment -S
  27. LDFLAGS_vmlinux :=
  28. CHECKFLAGS += -D__i386__
  29. CFLAGS += -pipe -msoft-float
  30. # prevent gcc from keeping the stack 16 byte aligned
  31. CFLAGS += $(call cc-option,-mpreferred-stack-boundary=2)
  32. # CPU-specific tuning. Anything which can be shared with UML should go here.
  33. include $(srctree)/arch/i386/Makefile.cpu
  34. cflags-$(CONFIG_REGPARM) += -mregparm=3
  35. # Disable unit-at-a-time mode on pre-gcc-4.0 compilers, it makes gcc use
  36. # a lot more stack due to the lack of sharing of stacklots:
  37. CFLAGS += $(shell if [ $(call cc-version) -lt 0400 ] ; then echo $(call cc-option,-fno-unit-at-a-time); fi ;)
  38. CFLAGS += $(cflags-y)
  39. # Default subarch .c files
  40. mcore-y := mach-default
  41. # Voyager subarch support
  42. mflags-$(CONFIG_X86_VOYAGER) := -Iinclude/asm-i386/mach-voyager
  43. mcore-$(CONFIG_X86_VOYAGER) := mach-voyager
  44. # VISWS subarch support
  45. mflags-$(CONFIG_X86_VISWS) := -Iinclude/asm-i386/mach-visws
  46. mcore-$(CONFIG_X86_VISWS) := mach-visws
  47. # NUMAQ subarch support
  48. mflags-$(CONFIG_X86_NUMAQ) := -Iinclude/asm-i386/mach-numaq
  49. mcore-$(CONFIG_X86_NUMAQ) := mach-default
  50. # BIGSMP subarch support
  51. mflags-$(CONFIG_X86_BIGSMP) := -Iinclude/asm-i386/mach-bigsmp
  52. mcore-$(CONFIG_X86_BIGSMP) := mach-default
  53. #Summit subarch support
  54. mflags-$(CONFIG_X86_SUMMIT) := -Iinclude/asm-i386/mach-summit
  55. mcore-$(CONFIG_X86_SUMMIT) := mach-default
  56. # generic subarchitecture
  57. mflags-$(CONFIG_X86_GENERICARCH) := -Iinclude/asm-i386/mach-generic
  58. mcore-$(CONFIG_X86_GENERICARCH) := mach-default
  59. core-$(CONFIG_X86_GENERICARCH) += arch/i386/mach-generic/
  60. # ES7000 subarch support
  61. mflags-$(CONFIG_X86_ES7000) := -Iinclude/asm-i386/mach-es7000
  62. mcore-$(CONFIG_X86_ES7000) := mach-default
  63. core-$(CONFIG_X86_ES7000) := arch/i386/mach-es7000/
  64. # default subarch .h files
  65. mflags-y += -Iinclude/asm-i386/mach-default
  66. head-y := arch/i386/kernel/head.o arch/i386/kernel/init_task.o
  67. libs-y += arch/i386/lib/
  68. core-y += arch/i386/kernel/ \
  69. arch/i386/mm/ \
  70. arch/i386/$(mcore-y)/ \
  71. arch/i386/crypto/
  72. drivers-$(CONFIG_MATH_EMULATION) += arch/i386/math-emu/
  73. drivers-$(CONFIG_PCI) += arch/i386/pci/
  74. # must be linked after kernel/
  75. drivers-$(CONFIG_OPROFILE) += arch/i386/oprofile/
  76. drivers-$(CONFIG_PM) += arch/i386/power/
  77. CFLAGS += $(mflags-y)
  78. AFLAGS += $(mflags-y)
  79. boot := arch/i386/boot
  80. .PHONY: zImage bzImage compressed zlilo bzlilo \
  81. zdisk bzdisk fdimage fdimage144 fdimage288 install
  82. all: bzImage
  83. # KBUILD_IMAGE specify target image being built
  84. KBUILD_IMAGE := $(boot)/bzImage
  85. zImage zlilo zdisk: KBUILD_IMAGE := arch/i386/boot/zImage
  86. zImage bzImage: vmlinux
  87. $(Q)$(MAKE) $(build)=$(boot) $(KBUILD_IMAGE)
  88. compressed: zImage
  89. zlilo bzlilo: vmlinux
  90. $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zlilo
  91. zdisk bzdisk: vmlinux
  92. $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zdisk
  93. fdimage fdimage144 fdimage288: vmlinux
  94. $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) $@
  95. install:
  96. $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) install
  97. archclean:
  98. $(Q)$(MAKE) $(clean)=arch/i386/boot
  99. define archhelp
  100. echo '* bzImage - Compressed kernel image (arch/$(ARCH)/boot/bzImage)'
  101. echo ' install - Install kernel using'
  102. echo ' (your) ~/bin/installkernel or'
  103. echo ' (distribution) /sbin/installkernel or'
  104. echo ' install to $$(INSTALL_PATH) and run lilo'
  105. echo ' bzdisk - Create a boot floppy in /dev/fd0'
  106. echo ' fdimage - Create a boot floppy image'
  107. endef
  108. CLEAN_FILES += arch/$(ARCH)/boot/fdimage arch/$(ARCH)/boot/mtools.conf