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 | |
H. Peter Anvin | d0e7feb | 2005-06-23 00:08:09 -0700 | [diff] [blame] | 20 | HAS_BIARCH := $(call cc-option-yn, -m32) |
| 21 | ifeq ($(HAS_BIARCH),y) |
| 22 | AS := $(AS) --32 |
| 23 | LD := $(LD) -m elf_i386 |
| 24 | CC := $(CC) -m32 |
| 25 | endif |
| 26 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 27 | LDFLAGS := -m elf_i386 |
| 28 | OBJCOPYFLAGS := -O binary -R .note -R .comment -S |
Eric W. Biederman | 968de4f | 2006-12-07 02:14:04 +0100 | [diff] [blame] | 29 | ifdef CONFIG_RELOCATABLE |
| 30 | LDFLAGS_vmlinux := --emit-relocs |
| 31 | endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 32 | CHECKFLAGS += -D__i386__ |
| 33 | |
Ingo Molnar | 2516512 | 2007-02-22 09:38:22 +0100 | [diff] [blame] | 34 | CFLAGS += -pipe -msoft-float -mregparm=3 -freg-struct-return |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 35 | |
| 36 | # prevent gcc from keeping the stack 16 byte aligned |
Linus Torvalds | b465223 | 2007-05-17 20:18:11 -0700 | [diff] [blame^] | 37 | CFLAGS += $(call cc-option,-mpreferred-stack-boundary=2) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 38 | |
Paolo 'Blaisorblade' Giarrusso | 96d55b8 | 2005-10-30 15:00:07 -0800 | [diff] [blame] | 39 | # CPU-specific tuning. Anything which can be shared with UML should go here. |
| 40 | include $(srctree)/arch/i386/Makefile.cpu |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 41 | |
Andi Kleen | 6edfba1 | 2006-03-25 16:29:49 +0100 | [diff] [blame] | 42 | # temporary until string.h is fixed |
| 43 | cflags-y += -ffreestanding |
| 44 | |
Andi Kleen | cdfce1f | 2006-10-21 18:37:01 +0200 | [diff] [blame] | 45 | # this works around some issues with generating unwind tables in older gccs |
| 46 | # newer gccs do it by default |
| 47 | cflags-y += -maccumulate-outgoing-args |
| 48 | |
Ingo Molnar | 9ab34fe | 2006-01-14 13:21:29 -0800 | [diff] [blame] | 49 | # Disable unit-at-a-time mode on pre-gcc-4.0 compilers, it makes gcc use |
| 50 | # a lot more stack due to the lack of sharing of stacklots: |
| 51 | 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] | 52 | |
Andi Kleen | e241491 | 2006-09-26 10:52:30 +0200 | [diff] [blame] | 53 | # do binutils support CFI? |
| 54 | cflags-y += $(call as-instr,.cfi_startproc\n.cfi_endproc,-DCONFIG_AS_CFI=1,) |
| 55 | AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_endproc,-DCONFIG_AS_CFI=1,) |
| 56 | |
Jan Beulich | adf1423 | 2006-09-26 10:52:41 +0200 | [diff] [blame] | 57 | # is .cfi_signal_frame supported too? |
Andrew Morton | da8604c | 2006-10-21 18:37:01 +0200 | [diff] [blame] | 58 | cflags-y += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,) |
| 59 | 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] | 60 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 61 | CFLAGS += $(cflags-y) |
| 62 | |
| 63 | # Default subarch .c files |
| 64 | mcore-y := mach-default |
| 65 | |
| 66 | # Voyager subarch support |
| 67 | mflags-$(CONFIG_X86_VOYAGER) := -Iinclude/asm-i386/mach-voyager |
| 68 | mcore-$(CONFIG_X86_VOYAGER) := mach-voyager |
| 69 | |
| 70 | # VISWS subarch support |
| 71 | mflags-$(CONFIG_X86_VISWS) := -Iinclude/asm-i386/mach-visws |
| 72 | mcore-$(CONFIG_X86_VISWS) := mach-visws |
| 73 | |
| 74 | # NUMAQ subarch support |
| 75 | mflags-$(CONFIG_X86_NUMAQ) := -Iinclude/asm-i386/mach-numaq |
| 76 | mcore-$(CONFIG_X86_NUMAQ) := mach-default |
| 77 | |
| 78 | # BIGSMP subarch support |
| 79 | mflags-$(CONFIG_X86_BIGSMP) := -Iinclude/asm-i386/mach-bigsmp |
| 80 | mcore-$(CONFIG_X86_BIGSMP) := mach-default |
| 81 | |
| 82 | #Summit subarch support |
| 83 | mflags-$(CONFIG_X86_SUMMIT) := -Iinclude/asm-i386/mach-summit |
| 84 | mcore-$(CONFIG_X86_SUMMIT) := mach-default |
| 85 | |
| 86 | # generic subarchitecture |
| 87 | mflags-$(CONFIG_X86_GENERICARCH) := -Iinclude/asm-i386/mach-generic |
| 88 | mcore-$(CONFIG_X86_GENERICARCH) := mach-default |
| 89 | core-$(CONFIG_X86_GENERICARCH) += arch/i386/mach-generic/ |
| 90 | |
| 91 | # ES7000 subarch support |
| 92 | mflags-$(CONFIG_X86_ES7000) := -Iinclude/asm-i386/mach-es7000 |
| 93 | mcore-$(CONFIG_X86_ES7000) := mach-default |
| 94 | core-$(CONFIG_X86_ES7000) := arch/i386/mach-es7000/ |
| 95 | |
| 96 | # default subarch .h files |
| 97 | mflags-y += -Iinclude/asm-i386/mach-default |
| 98 | |
| 99 | head-y := arch/i386/kernel/head.o arch/i386/kernel/init_task.o |
| 100 | |
| 101 | libs-y += arch/i386/lib/ |
| 102 | core-y += arch/i386/kernel/ \ |
| 103 | arch/i386/mm/ \ |
| 104 | arch/i386/$(mcore-y)/ \ |
| 105 | arch/i386/crypto/ |
| 106 | drivers-$(CONFIG_MATH_EMULATION) += arch/i386/math-emu/ |
| 107 | drivers-$(CONFIG_PCI) += arch/i386/pci/ |
| 108 | # must be linked after kernel/ |
| 109 | drivers-$(CONFIG_OPROFILE) += arch/i386/oprofile/ |
| 110 | drivers-$(CONFIG_PM) += arch/i386/power/ |
| 111 | |
| 112 | CFLAGS += $(mflags-y) |
| 113 | AFLAGS += $(mflags-y) |
| 114 | |
| 115 | boot := arch/i386/boot |
| 116 | |
Paul Smith | 4f19336 | 2006-03-05 17:14:10 -0500 | [diff] [blame] | 117 | PHONY += zImage bzImage compressed zlilo bzlilo \ |
H. Peter Anvin | 841b8a4 | 2006-03-26 01:36:59 -0800 | [diff] [blame] | 118 | zdisk bzdisk fdimage fdimage144 fdimage288 isoimage install |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 119 | |
| 120 | all: bzImage |
| 121 | |
| 122 | # KBUILD_IMAGE specify target image being built |
| 123 | KBUILD_IMAGE := $(boot)/bzImage |
| 124 | zImage zlilo zdisk: KBUILD_IMAGE := arch/i386/boot/zImage |
| 125 | |
| 126 | zImage bzImage: vmlinux |
| 127 | $(Q)$(MAKE) $(build)=$(boot) $(KBUILD_IMAGE) |
| 128 | |
| 129 | compressed: zImage |
| 130 | |
| 131 | zlilo bzlilo: vmlinux |
| 132 | $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zlilo |
| 133 | |
| 134 | zdisk bzdisk: vmlinux |
| 135 | $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zdisk |
| 136 | |
H. Peter Anvin | 841b8a4 | 2006-03-26 01:36:59 -0800 | [diff] [blame] | 137 | fdimage fdimage144 fdimage288 isoimage: vmlinux |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 138 | $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) $@ |
| 139 | |
H. Peter Anvin | 0d20bab | 2006-01-07 17:38:39 -0800 | [diff] [blame] | 140 | install: |
Sam Ravnborg | 2cacb3d | 2005-04-30 16:51:42 -0700 | [diff] [blame] | 141 | $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) install |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 142 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 143 | archclean: |
| 144 | $(Q)$(MAKE) $(clean)=arch/i386/boot |
| 145 | |
| 146 | define archhelp |
| 147 | echo '* bzImage - Compressed kernel image (arch/$(ARCH)/boot/bzImage)' |
| 148 | echo ' install - Install kernel using' |
| 149 | echo ' (your) ~/bin/installkernel or' |
| 150 | echo ' (distribution) /sbin/installkernel or' |
| 151 | echo ' install to $$(INSTALL_PATH) and run lilo' |
| 152 | echo ' bzdisk - Create a boot floppy in /dev/fd0' |
| 153 | echo ' fdimage - Create a boot floppy image' |
H. Peter Anvin | 841b8a4 | 2006-03-26 01:36:59 -0800 | [diff] [blame] | 154 | echo ' isoimage - Create a boot CD-ROM image' |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 155 | endef |
| 156 | |
H. Peter Anvin | 841b8a4 | 2006-03-26 01:36:59 -0800 | [diff] [blame] | 157 | CLEAN_FILES += arch/$(ARCH)/boot/fdimage \ |
| 158 | arch/$(ARCH)/boot/image.iso \ |
| 159 | arch/$(ARCH)/boot/mtools.conf |