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1da177e4 LT |
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 | # | |
47137419 | 17 | # 20050320 Kianusch Sayah Karadji <kianusch@sk-tech.net> |
1da177e4 LT |
18 | # Added support for GEODE CPU |
19 | ||
9a163ed8 TG |
20 | # Fill in SRCARCH |
21 | SRCARCH := x86 | |
22 | ||
bec2c48c TG |
23 | # BITS is used as extension for files which are available in a 32 bit |
24 | # and a 64 bit version to simplify shared Makefiles. | |
25 | # e.g.: obj-y += foo_$(BITS).o | |
26 | BITS := 32 | |
27 | export BITS | |
28 | ||
d0e7feb0 PA |
29 | HAS_BIARCH := $(call cc-option-yn, -m32) |
30 | ifeq ($(HAS_BIARCH),y) | |
31 | AS := $(AS) --32 | |
32 | LD := $(LD) -m elf_i386 | |
33 | CC := $(CC) -m32 | |
34 | endif | |
35 | ||
1da177e4 LT |
36 | LDFLAGS := -m elf_i386 |
37 | OBJCOPYFLAGS := -O binary -R .note -R .comment -S | |
968de4f0 EB |
38 | ifdef CONFIG_RELOCATABLE |
39 | LDFLAGS_vmlinux := --emit-relocs | |
40 | endif | |
1da177e4 LT |
41 | CHECKFLAGS += -D__i386__ |
42 | ||
a0f97e06 | 43 | KBUILD_CFLAGS += -pipe -msoft-float -mregparm=3 -freg-struct-return |
1da177e4 LT |
44 | |
45 | # prevent gcc from keeping the stack 16 byte aligned | |
a0f97e06 | 46 | KBUILD_CFLAGS += $(call cc-option,-mpreferred-stack-boundary=2) |
1da177e4 | 47 | |
96d55b88 PBG |
48 | # CPU-specific tuning. Anything which can be shared with UML should go here. |
49 | include $(srctree)/arch/i386/Makefile.cpu | |
1da177e4 | 50 | |
6edfba1b AK |
51 | # temporary until string.h is fixed |
52 | cflags-y += -ffreestanding | |
53 | ||
cdfce1f5 AK |
54 | # this works around some issues with generating unwind tables in older gccs |
55 | # newer gccs do it by default | |
56 | cflags-y += -maccumulate-outgoing-args | |
57 | ||
9ab34fe7 IM |
58 | # Disable unit-at-a-time mode on pre-gcc-4.0 compilers, it makes gcc use |
59 | # a lot more stack due to the lack of sharing of stacklots: | |
a0f97e06 | 60 | KBUILD_CFLAGS += $(shell if [ $(call cc-version) -lt 0400 ] ; then echo $(call cc-option,-fno-unit-at-a-time); fi ;) |
1da177e4 | 61 | |
e2414910 | 62 | # do binutils support CFI? |
f0f12d85 | 63 | cflags-y += $(call as-instr,.cfi_startproc\n.cfi_rel_offset esp${comma}0\n.cfi_endproc,-DCONFIG_AS_CFI=1,) |
222d394d | 64 | KBUILD_AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_rel_offset esp${comma}0\n.cfi_endproc,-DCONFIG_AS_CFI=1,) |
adf14236 JB |
65 | |
66 | # is .cfi_signal_frame supported too? | |
da8604cc | 67 | cflags-y += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,) |
222d394d | 68 | KBUILD_AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,) |
e2414910 | 69 | |
a0f97e06 | 70 | KBUILD_CFLAGS += $(cflags-y) |
1da177e4 LT |
71 | |
72 | # Default subarch .c files | |
d629e03b | 73 | mcore-y := arch/x86/mach-default |
1da177e4 LT |
74 | |
75 | # Voyager subarch support | |
96a388de | 76 | mflags-$(CONFIG_X86_VOYAGER) := -Iinclude/asm-x86/mach-voyager |
9402e12b | 77 | mcore-$(CONFIG_X86_VOYAGER) := arch/x86/mach-voyager |
1da177e4 LT |
78 | |
79 | # VISWS subarch support | |
96a388de | 80 | mflags-$(CONFIG_X86_VISWS) := -Iinclude/asm-x86/mach-visws |
c2b84d8d | 81 | mcore-$(CONFIG_X86_VISWS) := arch/x86/mach-visws |
1da177e4 LT |
82 | |
83 | # NUMAQ subarch support | |
96a388de | 84 | mflags-$(CONFIG_X86_NUMAQ) := -Iinclude/asm-x86/mach-numaq |
d629e03b | 85 | mcore-$(CONFIG_X86_NUMAQ) := arch/x86/mach-default |
1da177e4 LT |
86 | |
87 | # BIGSMP subarch support | |
96a388de | 88 | mflags-$(CONFIG_X86_BIGSMP) := -Iinclude/asm-x86/mach-bigsmp |
d629e03b | 89 | mcore-$(CONFIG_X86_BIGSMP) := arch/x86/mach-default |
1da177e4 LT |
90 | |
91 | #Summit subarch support | |
96a388de | 92 | mflags-$(CONFIG_X86_SUMMIT) := -Iinclude/asm-x86/mach-summit |
d629e03b | 93 | mcore-$(CONFIG_X86_SUMMIT) := arch/x86/mach-default |
1da177e4 LT |
94 | |
95 | # generic subarchitecture | |
96a388de | 96 | mflags-$(CONFIG_X86_GENERICARCH) := -Iinclude/asm-x86/mach-generic |
d629e03b | 97 | mcore-$(CONFIG_X86_GENERICARCH) := arch/x86/mach-default |
c750a66b | 98 | core-$(CONFIG_X86_GENERICARCH) += arch/x86/mach-generic/ |
1da177e4 LT |
99 | |
100 | # ES7000 subarch support | |
96a388de | 101 | mflags-$(CONFIG_X86_ES7000) := -Iinclude/asm-x86/mach-es7000 |
d629e03b | 102 | mcore-$(CONFIG_X86_ES7000) := arch/x86/mach-default |
334e621a | 103 | core-$(CONFIG_X86_ES7000) := arch/x86/mach-es7000/ |
1da177e4 | 104 | |
5ead97c8 | 105 | # Xen paravirtualization support |
9702785a | 106 | core-$(CONFIG_XEN) += arch/x86/xen/ |
5ead97c8 | 107 | |
34b8867a RR |
108 | # lguest paravirtualization support |
109 | core-$(CONFIG_LGUEST_GUEST) += arch/x86/lguest/ | |
110 | ||
1da177e4 | 111 | # default subarch .h files |
96a388de | 112 | mflags-y += -Iinclude/asm-x86/mach-default |
1da177e4 | 113 | |
77788878 | 114 | head-y := arch/x86/kernel/head_32.o arch/x86/kernel/init_task.o |
1da177e4 | 115 | |
44f0257f | 116 | libs-y += arch/x86/lib/ |
9a163ed8 | 117 | core-y += arch/x86/kernel/ \ |
ad757b6a | 118 | arch/x86/mm/ \ |
d7394fe5 | 119 | $(mcore-y)/ \ |
9c201942 | 120 | arch/x86/crypto/ |
da957e11 | 121 | drivers-$(CONFIG_MATH_EMULATION) += arch/x86/math-emu/ |
fb9aa6f1 | 122 | drivers-$(CONFIG_PCI) += arch/x86/pci/ |
1da177e4 | 123 | # must be linked after kernel/ |
ff439565 | 124 | drivers-$(CONFIG_OPROFILE) += arch/x86/oprofile/ |
4b60eb83 | 125 | drivers-$(CONFIG_PM) += arch/x86/power/ |
4ac24f63 | 126 | drivers-$(CONFIG_FB) += arch/x86/video/ |
1da177e4 | 127 | |
a0f97e06 | 128 | KBUILD_CFLAGS += $(mflags-y) |
222d394d | 129 | KBUILD_AFLAGS += $(mflags-y) |
1da177e4 | 130 | |
96ae6ea0 | 131 | boot := arch/x86/boot |
1da177e4 | 132 | |
4f193362 | 133 | PHONY += zImage bzImage compressed zlilo bzlilo \ |
841b8a46 | 134 | zdisk bzdisk fdimage fdimage144 fdimage288 isoimage install |
1da177e4 LT |
135 | |
136 | all: bzImage | |
137 | ||
138 | # KBUILD_IMAGE specify target image being built | |
139 | KBUILD_IMAGE := $(boot)/bzImage | |
96ae6ea0 | 140 | zImage zlilo zdisk: KBUILD_IMAGE := arch/x86/boot/zImage |
1da177e4 LT |
141 | |
142 | zImage bzImage: vmlinux | |
143 | $(Q)$(MAKE) $(build)=$(boot) $(KBUILD_IMAGE) | |
3ceba781 SR |
144 | $(Q)mkdir -p $(objtree)/arch/i386/boot |
145 | $(Q)ln -fsn ../../x86/boot/bzImage $(objtree)/arch/i386/boot/bzImage | |
1da177e4 LT |
146 | |
147 | compressed: zImage | |
148 | ||
149 | zlilo bzlilo: vmlinux | |
150 | $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zlilo | |
151 | ||
152 | zdisk bzdisk: vmlinux | |
153 | $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zdisk | |
154 | ||
841b8a46 | 155 | fdimage fdimage144 fdimage288 isoimage: vmlinux |
1da177e4 LT |
156 | $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) $@ |
157 | ||
0d20babd | 158 | install: |
2cacb3da | 159 | $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) install |
1da177e4 | 160 | |
1da177e4 | 161 | archclean: |
96ae6ea0 TG |
162 | $(Q)rm -rf $(objtree)/arch/i386/boot |
163 | $(Q)$(MAKE) $(clean)=arch/x86/boot | |
1da177e4 LT |
164 | |
165 | define archhelp | |
166 | echo '* bzImage - Compressed kernel image (arch/$(ARCH)/boot/bzImage)' | |
167 | echo ' install - Install kernel using' | |
168 | echo ' (your) ~/bin/installkernel or' | |
169 | echo ' (distribution) /sbin/installkernel or' | |
170 | echo ' install to $$(INSTALL_PATH) and run lilo' | |
171 | echo ' bzdisk - Create a boot floppy in /dev/fd0' | |
172 | echo ' fdimage - Create a boot floppy image' | |
841b8a46 | 173 | echo ' isoimage - Create a boot CD-ROM image' |
1da177e4 LT |
174 | endef |
175 | ||
841b8a46 PA |
176 | CLEAN_FILES += arch/$(ARCH)/boot/fdimage \ |
177 | arch/$(ARCH)/boot/image.iso \ | |
178 | arch/$(ARCH)/boot/mtools.conf |