Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | # |
Kianusch Sayah Karadji | 4713741 | 2005-05-05 16:16:17 -0700 | [diff] [blame^] | 17 | # 20050320 Kianusch Sayah Karadji <kianusch@sk-tech.net> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 18 | # Added support for GEODE CPU |
| 19 | |
| 20 | LDFLAGS := -m elf_i386 |
| 21 | OBJCOPYFLAGS := -O binary -R .note -R .comment -S |
| 22 | LDFLAGS_vmlinux := |
| 23 | CHECKFLAGS += -D__i386__ |
| 24 | |
| 25 | CFLAGS += -pipe -msoft-float |
| 26 | |
| 27 | # prevent gcc from keeping the stack 16 byte aligned |
| 28 | CFLAGS += $(call cc-option,-mpreferred-stack-boundary=2) |
| 29 | |
| 30 | align := $(cc-option-align) |
| 31 | cflags-$(CONFIG_M386) += -march=i386 |
| 32 | cflags-$(CONFIG_M486) += -march=i486 |
| 33 | cflags-$(CONFIG_M586) += -march=i586 |
| 34 | cflags-$(CONFIG_M586TSC) += -march=i586 |
| 35 | cflags-$(CONFIG_M586MMX) += $(call cc-option,-march=pentium-mmx,-march=i586) |
| 36 | cflags-$(CONFIG_M686) += -march=i686 |
| 37 | cflags-$(CONFIG_MPENTIUMII) += -march=i686 $(call cc-option,-mtune=pentium2) |
| 38 | cflags-$(CONFIG_MPENTIUMIII) += -march=i686 $(call cc-option,-mtune=pentium3) |
| 39 | cflags-$(CONFIG_MPENTIUMM) += -march=i686 $(call cc-option,-mtune=pentium3) |
| 40 | cflags-$(CONFIG_MPENTIUM4) += -march=i686 $(call cc-option,-mtune=pentium4) |
| 41 | cflags-$(CONFIG_MK6) += -march=k6 |
| 42 | # Please note, that patches that add -march=athlon-xp and friends are pointless. |
| 43 | # They make zero difference whatsosever to performance at this time. |
| 44 | cflags-$(CONFIG_MK7) += $(call cc-option,-march=athlon,-march=i686 $(align)-functions=4) |
| 45 | cflags-$(CONFIG_MK8) += $(call cc-option,-march=k8,$(call cc-option,-march=athlon,-march=i686 $(align)-functions=4)) |
| 46 | cflags-$(CONFIG_MCRUSOE) += -march=i686 $(align)-functions=0 $(align)-jumps=0 $(align)-loops=0 |
| 47 | cflags-$(CONFIG_MEFFICEON) += -march=i686 $(call cc-option,-mtune=pentium3) $(align)-functions=0 $(align)-jumps=0 $(align)-loops=0 |
| 48 | cflags-$(CONFIG_MWINCHIPC6) += $(call cc-option,-march=winchip-c6,-march=i586) |
| 49 | cflags-$(CONFIG_MWINCHIP2) += $(call cc-option,-march=winchip2,-march=i586) |
| 50 | cflags-$(CONFIG_MWINCHIP3D) += $(call cc-option,-march=winchip2,-march=i586) |
| 51 | cflags-$(CONFIG_MCYRIXIII) += $(call cc-option,-march=c3,-march=i486) $(align)-functions=0 $(align)-jumps=0 $(align)-loops=0 |
| 52 | cflags-$(CONFIG_MVIAC3_2) += $(call cc-option,-march=c3-2,-march=i686) |
| 53 | |
| 54 | # AMD Elan support |
| 55 | cflags-$(CONFIG_X86_ELAN) += -march=i486 |
| 56 | |
Kianusch Sayah Karadji | 4713741 | 2005-05-05 16:16:17 -0700 | [diff] [blame^] | 57 | # Geode GX1 support |
| 58 | cflags-$(CONFIG_MGEODEGX1) += $(call cc-option,-march=pentium-mmx,-march=i486) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 59 | |
| 60 | # -mregparm=3 works ok on gcc-3.0 and later |
| 61 | # |
| 62 | GCC_VERSION := $(call cc-version) |
| 63 | cflags-$(CONFIG_REGPARM) += $(shell if [ $(GCC_VERSION) -ge 0300 ] ; then echo "-mregparm=3"; fi ;) |
| 64 | |
| 65 | # Disable unit-at-a-time mode, it makes gcc use a lot more stack |
| 66 | # due to the lack of sharing of stacklots. |
| 67 | CFLAGS += $(call cc-option,-fno-unit-at-a-time) |
| 68 | |
| 69 | CFLAGS += $(cflags-y) |
| 70 | |
| 71 | # Default subarch .c files |
| 72 | mcore-y := mach-default |
| 73 | |
| 74 | # Voyager subarch support |
| 75 | mflags-$(CONFIG_X86_VOYAGER) := -Iinclude/asm-i386/mach-voyager |
| 76 | mcore-$(CONFIG_X86_VOYAGER) := mach-voyager |
| 77 | |
| 78 | # VISWS subarch support |
| 79 | mflags-$(CONFIG_X86_VISWS) := -Iinclude/asm-i386/mach-visws |
| 80 | mcore-$(CONFIG_X86_VISWS) := mach-visws |
| 81 | |
| 82 | # NUMAQ subarch support |
| 83 | mflags-$(CONFIG_X86_NUMAQ) := -Iinclude/asm-i386/mach-numaq |
| 84 | mcore-$(CONFIG_X86_NUMAQ) := mach-default |
| 85 | |
| 86 | # BIGSMP subarch support |
| 87 | mflags-$(CONFIG_X86_BIGSMP) := -Iinclude/asm-i386/mach-bigsmp |
| 88 | mcore-$(CONFIG_X86_BIGSMP) := mach-default |
| 89 | |
| 90 | #Summit subarch support |
| 91 | mflags-$(CONFIG_X86_SUMMIT) := -Iinclude/asm-i386/mach-summit |
| 92 | mcore-$(CONFIG_X86_SUMMIT) := mach-default |
| 93 | |
| 94 | # generic subarchitecture |
| 95 | mflags-$(CONFIG_X86_GENERICARCH) := -Iinclude/asm-i386/mach-generic |
| 96 | mcore-$(CONFIG_X86_GENERICARCH) := mach-default |
| 97 | core-$(CONFIG_X86_GENERICARCH) += arch/i386/mach-generic/ |
| 98 | |
| 99 | # ES7000 subarch support |
| 100 | mflags-$(CONFIG_X86_ES7000) := -Iinclude/asm-i386/mach-es7000 |
| 101 | mcore-$(CONFIG_X86_ES7000) := mach-default |
| 102 | core-$(CONFIG_X86_ES7000) := arch/i386/mach-es7000/ |
| 103 | |
| 104 | # default subarch .h files |
| 105 | mflags-y += -Iinclude/asm-i386/mach-default |
| 106 | |
| 107 | head-y := arch/i386/kernel/head.o arch/i386/kernel/init_task.o |
| 108 | |
| 109 | libs-y += arch/i386/lib/ |
| 110 | core-y += arch/i386/kernel/ \ |
| 111 | arch/i386/mm/ \ |
| 112 | arch/i386/$(mcore-y)/ \ |
| 113 | arch/i386/crypto/ |
| 114 | drivers-$(CONFIG_MATH_EMULATION) += arch/i386/math-emu/ |
| 115 | drivers-$(CONFIG_PCI) += arch/i386/pci/ |
| 116 | # must be linked after kernel/ |
| 117 | drivers-$(CONFIG_OPROFILE) += arch/i386/oprofile/ |
| 118 | drivers-$(CONFIG_PM) += arch/i386/power/ |
| 119 | |
| 120 | CFLAGS += $(mflags-y) |
| 121 | AFLAGS += $(mflags-y) |
| 122 | |
| 123 | boot := arch/i386/boot |
| 124 | |
| 125 | .PHONY: zImage bzImage compressed zlilo bzlilo \ |
Sam Ravnborg | 2cacb3d | 2005-04-30 16:51:42 -0700 | [diff] [blame] | 126 | zdisk bzdisk fdimage fdimage144 fdimage288 install kernel_install |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 127 | |
| 128 | all: bzImage |
| 129 | |
| 130 | # KBUILD_IMAGE specify target image being built |
| 131 | KBUILD_IMAGE := $(boot)/bzImage |
| 132 | zImage zlilo zdisk: KBUILD_IMAGE := arch/i386/boot/zImage |
| 133 | |
| 134 | zImage bzImage: vmlinux |
| 135 | $(Q)$(MAKE) $(build)=$(boot) $(KBUILD_IMAGE) |
| 136 | |
| 137 | compressed: zImage |
| 138 | |
| 139 | zlilo bzlilo: vmlinux |
| 140 | $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zlilo |
| 141 | |
| 142 | zdisk bzdisk: vmlinux |
| 143 | $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zdisk |
| 144 | |
| 145 | fdimage fdimage144 fdimage288: vmlinux |
| 146 | $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) $@ |
| 147 | |
Sam Ravnborg | 2cacb3d | 2005-04-30 16:51:42 -0700 | [diff] [blame] | 148 | install: vmlinux |
| 149 | install kernel_install: |
| 150 | $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) install |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 151 | |
| 152 | prepare: include/asm-$(ARCH)/asm_offsets.h |
| 153 | CLEAN_FILES += include/asm-$(ARCH)/asm_offsets.h |
| 154 | |
| 155 | arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \ |
| 156 | include/config/MARKER |
| 157 | |
| 158 | include/asm-$(ARCH)/asm_offsets.h: arch/$(ARCH)/kernel/asm-offsets.s |
| 159 | $(call filechk,gen-asm-offsets) |
| 160 | |
| 161 | archclean: |
| 162 | $(Q)$(MAKE) $(clean)=arch/i386/boot |
| 163 | |
| 164 | define archhelp |
| 165 | echo '* bzImage - Compressed kernel image (arch/$(ARCH)/boot/bzImage)' |
| 166 | echo ' install - Install kernel using' |
| 167 | echo ' (your) ~/bin/installkernel or' |
| 168 | echo ' (distribution) /sbin/installkernel or' |
| 169 | echo ' install to $$(INSTALL_PATH) and run lilo' |
| 170 | echo ' bzdisk - Create a boot floppy in /dev/fd0' |
| 171 | echo ' fdimage - Create a boot floppy image' |
| 172 | endef |
| 173 | |
| 174 | CLEAN_FILES += arch/$(ARCH)/boot/fdimage arch/$(ARCH)/boot/mtools.conf |