Makefile 3.4 KB

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  1. #
  2. # x86_64/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" and "archdep" for cleaning up and making dependencies for
  7. # this architecture
  8. #
  9. # This file is subject to the terms and conditions of the GNU General Public
  10. # License. See the file "COPYING" in the main directory of this archive
  11. # for more details.
  12. #
  13. # Copyright (C) 1994 by Linus Torvalds
  14. #
  15. # 19990713 Artur Skawina <skawina@geocities.com>
  16. # Added '-march' and '-mpreferred-stack-boundary' support
  17. # 20000913 Pavel Machek <pavel@suse.cz>
  18. # Converted for x86_64 architecture
  19. # 20010105 Andi Kleen, add IA32 compiler.
  20. # ....and later removed it again....
  21. #
  22. # $Id: Makefile,v 1.31 2002/03/22 15:56:07 ak Exp $
  23. LDFLAGS := -m elf_x86_64
  24. OBJCOPYFLAGS := -O binary -R .note -R .comment -S
  25. LDFLAGS_vmlinux :=
  26. CHECKFLAGS += -D__x86_64__ -m64
  27. cflags-$(CONFIG_MK8) += $(call cc-option,-march=k8)
  28. cflags-$(CONFIG_MPSC) += $(call cc-option,-march=nocona)
  29. cflags-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=generic)
  30. CFLAGS += $(cflags-y)
  31. CFLAGS += -m64
  32. CFLAGS += -mno-red-zone
  33. CFLAGS += -mcmodel=kernel
  34. CFLAGS += -pipe
  35. # this makes reading assembly source easier, but produces worse code
  36. # actually it makes the kernel smaller too.
  37. CFLAGS += -fno-reorder-blocks
  38. CFLAGS += -Wno-sign-compare
  39. ifneq ($(CONFIG_UNWIND_INFO),y)
  40. CFLAGS += -fno-asynchronous-unwind-tables
  41. endif
  42. ifneq ($(CONFIG_DEBUG_INFO),y)
  43. # -fweb shrinks the kernel a bit, but the difference is very small
  44. # it also messes up debugging, so don't use it for now.
  45. #CFLAGS += $(call cc-option,-fweb)
  46. endif
  47. # -funit-at-a-time shrinks the kernel .text considerably
  48. # unfortunately it makes reading oopses harder.
  49. CFLAGS += $(call cc-option,-funit-at-a-time)
  50. # prevent gcc from generating any FP code by mistake
  51. CFLAGS += $(call cc-option,-mno-sse -mno-mmx -mno-sse2 -mno-3dnow,)
  52. AFLAGS += -m64
  53. head-y := arch/x86_64/kernel/head.o arch/x86_64/kernel/head64.o arch/x86_64/kernel/init_task.o
  54. libs-y += arch/x86_64/lib/
  55. core-y += arch/x86_64/kernel/ \
  56. arch/x86_64/mm/ \
  57. arch/x86_64/crypto/
  58. core-$(CONFIG_IA32_EMULATION) += arch/x86_64/ia32/
  59. drivers-$(CONFIG_PCI) += arch/x86_64/pci/
  60. drivers-$(CONFIG_OPROFILE) += arch/x86_64/oprofile/
  61. boot := arch/x86_64/boot
  62. PHONY += bzImage bzlilo install archmrproper \
  63. fdimage fdimage144 fdimage288 archclean
  64. #Default target when executing "make"
  65. all: bzImage
  66. BOOTIMAGE := arch/x86_64/boot/bzImage
  67. KBUILD_IMAGE := $(BOOTIMAGE)
  68. bzImage: vmlinux
  69. $(Q)$(MAKE) $(build)=$(boot) $(BOOTIMAGE)
  70. bzlilo: vmlinux
  71. $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) zlilo
  72. bzdisk: vmlinux
  73. $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) zdisk
  74. fdimage fdimage144 fdimage288: vmlinux
  75. $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) $@
  76. install:
  77. $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) $@
  78. archclean:
  79. $(Q)$(MAKE) $(clean)=$(boot)
  80. define archhelp
  81. echo '* bzImage - Compressed kernel image (arch/$(ARCH)/boot/bzImage)'
  82. echo ' install - Install kernel using'
  83. echo ' (your) ~/bin/installkernel or'
  84. echo ' (distribution) /sbin/installkernel or'
  85. echo ' install to $$(INSTALL_PATH) and run lilo'
  86. endef
  87. CLEAN_FILES += arch/$(ARCH)/boot/fdimage arch/$(ARCH)/boot/mtools.conf