Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | # |
Sam Ravnborg | 74b469f | 2007-10-25 19:42:04 +0200 | [diff] [blame] | 2 | # i386 Makefile |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Thomas Gleixner | bec2c48 | 2007-10-23 22:37:23 +0200 | [diff] [blame] | 20 | # BITS is used as extension for files which are available in a 32 bit |
| 21 | # and a 64 bit version to simplify shared Makefiles. |
| 22 | # e.g.: obj-y += foo_$(BITS).o |
| 23 | BITS := 32 |
| 24 | export BITS |
| 25 | |
H. Peter Anvin | d0e7feb | 2005-06-23 00:08:09 -0700 | [diff] [blame] | 26 | HAS_BIARCH := $(call cc-option-yn, -m32) |
| 27 | ifeq ($(HAS_BIARCH),y) |
| 28 | AS := $(AS) --32 |
| 29 | LD := $(LD) -m elf_i386 |
| 30 | CC := $(CC) -m32 |
| 31 | endif |
| 32 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 33 | LDFLAGS := -m elf_i386 |
| 34 | OBJCOPYFLAGS := -O binary -R .note -R .comment -S |
Eric W. Biederman | 968de4f | 2006-12-07 02:14:04 +0100 | [diff] [blame] | 35 | ifdef CONFIG_RELOCATABLE |
| 36 | LDFLAGS_vmlinux := --emit-relocs |
| 37 | endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 38 | CHECKFLAGS += -D__i386__ |
| 39 | |
Sam Ravnborg | a0f97e0 | 2007-10-14 22:21:35 +0200 | [diff] [blame] | 40 | KBUILD_CFLAGS += -pipe -msoft-float -mregparm=3 -freg-struct-return |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 41 | |
| 42 | # prevent gcc from keeping the stack 16 byte aligned |
Sam Ravnborg | a0f97e0 | 2007-10-14 22:21:35 +0200 | [diff] [blame] | 43 | KBUILD_CFLAGS += $(call cc-option,-mpreferred-stack-boundary=2) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | |
Paolo 'Blaisorblade' Giarrusso | 96d55b8 | 2005-10-30 15:00:07 -0800 | [diff] [blame] | 45 | # CPU-specific tuning. Anything which can be shared with UML should go here. |
Sam Ravnborg | 74b469f | 2007-10-25 19:42:04 +0200 | [diff] [blame] | 46 | include $(srctree)/arch/x86/Makefile_32.cpu |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 47 | |
Andi Kleen | 6edfba1 | 2006-03-25 16:29:49 +0100 | [diff] [blame] | 48 | # temporary until string.h is fixed |
| 49 | cflags-y += -ffreestanding |
| 50 | |
Andi Kleen | cdfce1f | 2006-10-21 18:37:01 +0200 | [diff] [blame] | 51 | # this works around some issues with generating unwind tables in older gccs |
| 52 | # newer gccs do it by default |
| 53 | cflags-y += -maccumulate-outgoing-args |
| 54 | |
Ingo Molnar | 9ab34fe | 2006-01-14 13:21:29 -0800 | [diff] [blame] | 55 | # Disable unit-at-a-time mode on pre-gcc-4.0 compilers, it makes gcc use |
| 56 | # a lot more stack due to the lack of sharing of stacklots: |
Sam Ravnborg | a0f97e0 | 2007-10-14 22:21:35 +0200 | [diff] [blame] | 57 | KBUILD_CFLAGS += $(shell if [ $(call cc-version) -lt 0400 ] ; then echo $(call cc-option,-fno-unit-at-a-time); fi ;) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 58 | |
Andi Kleen | e241491 | 2006-09-26 10:52:30 +0200 | [diff] [blame] | 59 | # do binutils support CFI? |
Andi Kleen | f0f12d8 | 2007-08-15 02:40:37 +0200 | [diff] [blame] | 60 | cflags-y += $(call as-instr,.cfi_startproc\n.cfi_rel_offset esp${comma}0\n.cfi_endproc,-DCONFIG_AS_CFI=1,) |
Sam Ravnborg | 222d394 | 2007-10-15 21:59:31 +0200 | [diff] [blame] | 61 | KBUILD_AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_rel_offset esp${comma}0\n.cfi_endproc,-DCONFIG_AS_CFI=1,) |
Andi Kleen | e241491 | 2006-09-26 10:52:30 +0200 | [diff] [blame] | 62 | |
Jan Beulich | adf1423 | 2006-09-26 10:52:41 +0200 | [diff] [blame] | 63 | # is .cfi_signal_frame supported too? |
Andrew Morton | da8604c | 2006-10-21 18:37:01 +0200 | [diff] [blame] | 64 | cflags-y += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,) |
Sam Ravnborg | 222d394 | 2007-10-15 21:59:31 +0200 | [diff] [blame] | 65 | KBUILD_AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,) |
Jan Beulich | adf1423 | 2006-09-26 10:52:41 +0200 | [diff] [blame] | 66 | |
Sam Ravnborg | a0f97e0 | 2007-10-14 22:21:35 +0200 | [diff] [blame] | 67 | KBUILD_CFLAGS += $(cflags-y) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 68 | |
| 69 | # Default subarch .c files |
Thomas Gleixner | d629e03 | 2007-10-11 11:16:48 +0200 | [diff] [blame] | 70 | mcore-y := arch/x86/mach-default |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 71 | |
| 72 | # Voyager subarch support |
Thomas Gleixner | 96a388d | 2007-10-11 11:20:03 +0200 | [diff] [blame] | 73 | mflags-$(CONFIG_X86_VOYAGER) := -Iinclude/asm-x86/mach-voyager |
Thomas Gleixner | 9402e12 | 2007-10-11 11:16:53 +0200 | [diff] [blame] | 74 | mcore-$(CONFIG_X86_VOYAGER) := arch/x86/mach-voyager |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 75 | |
| 76 | # VISWS subarch support |
Thomas Gleixner | 96a388d | 2007-10-11 11:20:03 +0200 | [diff] [blame] | 77 | mflags-$(CONFIG_X86_VISWS) := -Iinclude/asm-x86/mach-visws |
Thomas Gleixner | c2b84d8 | 2007-10-11 11:16:38 +0200 | [diff] [blame] | 78 | mcore-$(CONFIG_X86_VISWS) := arch/x86/mach-visws |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 79 | |
| 80 | # NUMAQ subarch support |
Thomas Gleixner | 96a388d | 2007-10-11 11:20:03 +0200 | [diff] [blame] | 81 | mflags-$(CONFIG_X86_NUMAQ) := -Iinclude/asm-x86/mach-numaq |
Thomas Gleixner | d629e03 | 2007-10-11 11:16:48 +0200 | [diff] [blame] | 82 | mcore-$(CONFIG_X86_NUMAQ) := arch/x86/mach-default |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 83 | |
| 84 | # BIGSMP subarch support |
Thomas Gleixner | 96a388d | 2007-10-11 11:20:03 +0200 | [diff] [blame] | 85 | mflags-$(CONFIG_X86_BIGSMP) := -Iinclude/asm-x86/mach-bigsmp |
Thomas Gleixner | d629e03 | 2007-10-11 11:16:48 +0200 | [diff] [blame] | 86 | mcore-$(CONFIG_X86_BIGSMP) := arch/x86/mach-default |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 87 | |
| 88 | #Summit subarch support |
Thomas Gleixner | 96a388d | 2007-10-11 11:20:03 +0200 | [diff] [blame] | 89 | mflags-$(CONFIG_X86_SUMMIT) := -Iinclude/asm-x86/mach-summit |
Thomas Gleixner | d629e03 | 2007-10-11 11:16:48 +0200 | [diff] [blame] | 90 | mcore-$(CONFIG_X86_SUMMIT) := arch/x86/mach-default |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 91 | |
| 92 | # generic subarchitecture |
Thomas Gleixner | 96a388d | 2007-10-11 11:20:03 +0200 | [diff] [blame] | 93 | mflags-$(CONFIG_X86_GENERICARCH) := -Iinclude/asm-x86/mach-generic |
Thomas Gleixner | d629e03 | 2007-10-11 11:16:48 +0200 | [diff] [blame] | 94 | mcore-$(CONFIG_X86_GENERICARCH) := arch/x86/mach-default |
Thomas Gleixner | c750a66 | 2007-10-11 11:16:39 +0200 | [diff] [blame] | 95 | core-$(CONFIG_X86_GENERICARCH) += arch/x86/mach-generic/ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 96 | |
| 97 | # ES7000 subarch support |
Thomas Gleixner | 96a388d | 2007-10-11 11:20:03 +0200 | [diff] [blame] | 98 | mflags-$(CONFIG_X86_ES7000) := -Iinclude/asm-x86/mach-es7000 |
Thomas Gleixner | d629e03 | 2007-10-11 11:16:48 +0200 | [diff] [blame] | 99 | mcore-$(CONFIG_X86_ES7000) := arch/x86/mach-default |
Thomas Gleixner | 334e621 | 2007-10-11 11:16:50 +0200 | [diff] [blame] | 100 | core-$(CONFIG_X86_ES7000) := arch/x86/mach-es7000/ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 101 | |
Jeremy Fitzhardinge | 5ead97c | 2007-07-17 18:37:04 -0700 | [diff] [blame] | 102 | # Xen paravirtualization support |
Thomas Gleixner | 9702785 | 2007-10-11 11:16:51 +0200 | [diff] [blame] | 103 | core-$(CONFIG_XEN) += arch/x86/xen/ |
Jeremy Fitzhardinge | 5ead97c | 2007-07-17 18:37:04 -0700 | [diff] [blame] | 104 | |
Rusty Russell | 34b8867 | 2007-10-22 11:01:54 +1000 | [diff] [blame] | 105 | # lguest paravirtualization support |
| 106 | core-$(CONFIG_LGUEST_GUEST) += arch/x86/lguest/ |
| 107 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 108 | # default subarch .h files |
Thomas Gleixner | 96a388d | 2007-10-11 11:20:03 +0200 | [diff] [blame] | 109 | mflags-y += -Iinclude/asm-x86/mach-default |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 110 | |
Hiroshi Shimamoto | 7778887 | 2007-10-19 20:35:02 +0200 | [diff] [blame] | 111 | head-y := arch/x86/kernel/head_32.o arch/x86/kernel/init_task.o |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 112 | |
Thomas Gleixner | 44f0257 | 2007-10-11 11:16:33 +0200 | [diff] [blame] | 113 | libs-y += arch/x86/lib/ |
Thomas Gleixner | 9a163ed | 2007-10-11 11:17:01 +0200 | [diff] [blame] | 114 | core-y += arch/x86/kernel/ \ |
Thomas Gleixner | ad757b6 | 2007-10-11 11:16:47 +0200 | [diff] [blame] | 115 | arch/x86/mm/ \ |
Thomas Gleixner | d7394fe | 2007-10-11 11:11:35 +0200 | [diff] [blame] | 116 | $(mcore-y)/ \ |
Thomas Gleixner | 9c20194 | 2007-10-11 11:16:21 +0200 | [diff] [blame] | 117 | arch/x86/crypto/ |
Thomas Gleixner | da957e1 | 2007-10-11 11:16:31 +0200 | [diff] [blame] | 118 | drivers-$(CONFIG_MATH_EMULATION) += arch/x86/math-emu/ |
Thomas Gleixner | fb9aa6f | 2007-10-11 11:16:36 +0200 | [diff] [blame] | 119 | drivers-$(CONFIG_PCI) += arch/x86/pci/ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 120 | # must be linked after kernel/ |
Thomas Gleixner | ff43956 | 2007-10-11 11:16:55 +0200 | [diff] [blame] | 121 | drivers-$(CONFIG_OPROFILE) += arch/x86/oprofile/ |
Thomas Gleixner | 4b60eb8 | 2007-10-11 11:16:34 +0200 | [diff] [blame] | 122 | drivers-$(CONFIG_PM) += arch/x86/power/ |
Thomas Gleixner | 4ac24f6 | 2007-10-11 11:16:56 +0200 | [diff] [blame] | 123 | drivers-$(CONFIG_FB) += arch/x86/video/ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 124 | |
Sam Ravnborg | a0f97e0 | 2007-10-14 22:21:35 +0200 | [diff] [blame] | 125 | KBUILD_CFLAGS += $(mflags-y) |
Sam Ravnborg | 222d394 | 2007-10-15 21:59:31 +0200 | [diff] [blame] | 126 | KBUILD_AFLAGS += $(mflags-y) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 127 | |
Thomas Gleixner | 96ae6ea | 2007-10-11 11:16:45 +0200 | [diff] [blame] | 128 | boot := arch/x86/boot |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 129 | |
Paul Smith | 4f19336 | 2006-03-05 17:14:10 -0500 | [diff] [blame] | 130 | PHONY += zImage bzImage compressed zlilo bzlilo \ |
H. Peter Anvin | 841b8a4 | 2006-03-26 01:36:59 -0800 | [diff] [blame] | 131 | zdisk bzdisk fdimage fdimage144 fdimage288 isoimage install |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 132 | |
| 133 | all: bzImage |
| 134 | |
| 135 | # KBUILD_IMAGE specify target image being built |
| 136 | KBUILD_IMAGE := $(boot)/bzImage |
Thomas Gleixner | 96ae6ea | 2007-10-11 11:16:45 +0200 | [diff] [blame] | 137 | zImage zlilo zdisk: KBUILD_IMAGE := arch/x86/boot/zImage |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 138 | |
| 139 | zImage bzImage: vmlinux |
| 140 | $(Q)$(MAKE) $(build)=$(boot) $(KBUILD_IMAGE) |
Sam Ravnborg | 3ceba78 | 2007-10-19 20:35:02 +0200 | [diff] [blame] | 141 | $(Q)mkdir -p $(objtree)/arch/i386/boot |
| 142 | $(Q)ln -fsn ../../x86/boot/bzImage $(objtree)/arch/i386/boot/bzImage |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 143 | |
| 144 | compressed: zImage |
| 145 | |
| 146 | zlilo bzlilo: vmlinux |
| 147 | $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zlilo |
| 148 | |
| 149 | zdisk bzdisk: vmlinux |
| 150 | $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zdisk |
| 151 | |
H. Peter Anvin | 841b8a4 | 2006-03-26 01:36:59 -0800 | [diff] [blame] | 152 | fdimage fdimage144 fdimage288 isoimage: vmlinux |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 153 | $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) $@ |
| 154 | |
H. Peter Anvin | 0d20bab | 2006-01-07 17:38:39 -0800 | [diff] [blame] | 155 | install: |
Sam Ravnborg | 2cacb3d | 2005-04-30 16:51:42 -0700 | [diff] [blame] | 156 | $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) install |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 157 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 158 | archclean: |
Thomas Gleixner | 96ae6ea | 2007-10-11 11:16:45 +0200 | [diff] [blame] | 159 | $(Q)rm -rf $(objtree)/arch/i386/boot |
| 160 | $(Q)$(MAKE) $(clean)=arch/x86/boot |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 161 | |
| 162 | define archhelp |
| 163 | echo '* bzImage - Compressed kernel image (arch/$(ARCH)/boot/bzImage)' |
| 164 | echo ' install - Install kernel using' |
| 165 | echo ' (your) ~/bin/installkernel or' |
| 166 | echo ' (distribution) /sbin/installkernel or' |
| 167 | echo ' install to $$(INSTALL_PATH) and run lilo' |
| 168 | echo ' bzdisk - Create a boot floppy in /dev/fd0' |
| 169 | echo ' fdimage - Create a boot floppy image' |
H. Peter Anvin | 841b8a4 | 2006-03-26 01:36:59 -0800 | [diff] [blame] | 170 | echo ' isoimage - Create a boot CD-ROM image' |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 171 | endef |
| 172 | |
H. Peter Anvin | 841b8a4 | 2006-03-26 01:36:59 -0800 | [diff] [blame] | 173 | CLEAN_FILES += arch/$(ARCH)/boot/fdimage \ |
| 174 | arch/$(ARCH)/boot/image.iso \ |
| 175 | arch/$(ARCH)/boot/mtools.conf |