Commit | Line | Data |
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1da177e4 | 1 | # |
74b469f2 | 2 | # i386 Makefile |
1da177e4 LT |
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 | ||
bec2c48c TG |
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 | ||
d0e7feb0 PA |
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 | ||
1da177e4 LT |
33 | LDFLAGS := -m elf_i386 |
34 | OBJCOPYFLAGS := -O binary -R .note -R .comment -S | |
968de4f0 EB |
35 | ifdef CONFIG_RELOCATABLE |
36 | LDFLAGS_vmlinux := --emit-relocs | |
37 | endif | |
1da177e4 LT |
38 | CHECKFLAGS += -D__i386__ |
39 | ||
a0f97e06 | 40 | KBUILD_CFLAGS += -pipe -msoft-float -mregparm=3 -freg-struct-return |
1da177e4 LT |
41 | |
42 | # prevent gcc from keeping the stack 16 byte aligned | |
a0f97e06 | 43 | KBUILD_CFLAGS += $(call cc-option,-mpreferred-stack-boundary=2) |
1da177e4 | 44 | |
96d55b88 | 45 | # CPU-specific tuning. Anything which can be shared with UML should go here. |
74b469f2 | 46 | include $(srctree)/arch/x86/Makefile_32.cpu |
1da177e4 | 47 | |
6edfba1b AK |
48 | # temporary until string.h is fixed |
49 | cflags-y += -ffreestanding | |
50 | ||
cdfce1f5 AK |
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 | ||
9ab34fe7 IM |
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: | |
a0f97e06 | 57 | KBUILD_CFLAGS += $(shell if [ $(call cc-version) -lt 0400 ] ; then echo $(call cc-option,-fno-unit-at-a-time); fi ;) |
1da177e4 | 58 | |
e2414910 | 59 | # do binutils support CFI? |
f0f12d85 | 60 | cflags-y += $(call as-instr,.cfi_startproc\n.cfi_rel_offset esp${comma}0\n.cfi_endproc,-DCONFIG_AS_CFI=1,) |
222d394d | 61 | KBUILD_AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_rel_offset esp${comma}0\n.cfi_endproc,-DCONFIG_AS_CFI=1,) |
adf14236 JB |
62 | |
63 | # is .cfi_signal_frame supported too? | |
da8604cc | 64 | cflags-y += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,) |
222d394d | 65 | KBUILD_AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,) |
e2414910 | 66 | |
a0f97e06 | 67 | KBUILD_CFLAGS += $(cflags-y) |
1da177e4 LT |
68 | |
69 | # Default subarch .c files | |
d629e03b | 70 | mcore-y := arch/x86/mach-default |
1da177e4 LT |
71 | |
72 | # Voyager subarch support | |
96a388de | 73 | mflags-$(CONFIG_X86_VOYAGER) := -Iinclude/asm-x86/mach-voyager |
9402e12b | 74 | mcore-$(CONFIG_X86_VOYAGER) := arch/x86/mach-voyager |
1da177e4 LT |
75 | |
76 | # VISWS subarch support | |
96a388de | 77 | mflags-$(CONFIG_X86_VISWS) := -Iinclude/asm-x86/mach-visws |
c2b84d8d | 78 | mcore-$(CONFIG_X86_VISWS) := arch/x86/mach-visws |
1da177e4 LT |
79 | |
80 | # NUMAQ subarch support | |
96a388de | 81 | mflags-$(CONFIG_X86_NUMAQ) := -Iinclude/asm-x86/mach-numaq |
d629e03b | 82 | mcore-$(CONFIG_X86_NUMAQ) := arch/x86/mach-default |
1da177e4 LT |
83 | |
84 | # BIGSMP subarch support | |
96a388de | 85 | mflags-$(CONFIG_X86_BIGSMP) := -Iinclude/asm-x86/mach-bigsmp |
d629e03b | 86 | mcore-$(CONFIG_X86_BIGSMP) := arch/x86/mach-default |
1da177e4 LT |
87 | |
88 | #Summit subarch support | |
96a388de | 89 | mflags-$(CONFIG_X86_SUMMIT) := -Iinclude/asm-x86/mach-summit |
d629e03b | 90 | mcore-$(CONFIG_X86_SUMMIT) := arch/x86/mach-default |
1da177e4 LT |
91 | |
92 | # generic subarchitecture | |
96a388de | 93 | mflags-$(CONFIG_X86_GENERICARCH) := -Iinclude/asm-x86/mach-generic |
d629e03b | 94 | mcore-$(CONFIG_X86_GENERICARCH) := arch/x86/mach-default |
c750a66b | 95 | core-$(CONFIG_X86_GENERICARCH) += arch/x86/mach-generic/ |
1da177e4 LT |
96 | |
97 | # ES7000 subarch support | |
96a388de | 98 | mflags-$(CONFIG_X86_ES7000) := -Iinclude/asm-x86/mach-es7000 |
d629e03b | 99 | mcore-$(CONFIG_X86_ES7000) := arch/x86/mach-default |
334e621a | 100 | core-$(CONFIG_X86_ES7000) := arch/x86/mach-es7000/ |
1da177e4 | 101 | |
5ead97c8 | 102 | # Xen paravirtualization support |
9702785a | 103 | core-$(CONFIG_XEN) += arch/x86/xen/ |
5ead97c8 | 104 | |
34b8867a RR |
105 | # lguest paravirtualization support |
106 | core-$(CONFIG_LGUEST_GUEST) += arch/x86/lguest/ | |
107 | ||
1da177e4 | 108 | # default subarch .h files |
96a388de | 109 | mflags-y += -Iinclude/asm-x86/mach-default |
1da177e4 | 110 | |
77788878 | 111 | head-y := arch/x86/kernel/head_32.o arch/x86/kernel/init_task.o |
1da177e4 | 112 | |
44f0257f | 113 | libs-y += arch/x86/lib/ |
9a163ed8 | 114 | core-y += arch/x86/kernel/ \ |
ad757b6a | 115 | arch/x86/mm/ \ |
d7394fe5 | 116 | $(mcore-y)/ \ |
9c201942 | 117 | arch/x86/crypto/ |
da957e11 | 118 | drivers-$(CONFIG_MATH_EMULATION) += arch/x86/math-emu/ |
fb9aa6f1 | 119 | drivers-$(CONFIG_PCI) += arch/x86/pci/ |
1da177e4 | 120 | # must be linked after kernel/ |
ff439565 | 121 | drivers-$(CONFIG_OPROFILE) += arch/x86/oprofile/ |
4b60eb83 | 122 | drivers-$(CONFIG_PM) += arch/x86/power/ |
4ac24f63 | 123 | drivers-$(CONFIG_FB) += arch/x86/video/ |
1da177e4 | 124 | |
a0f97e06 | 125 | KBUILD_CFLAGS += $(mflags-y) |
222d394d | 126 | KBUILD_AFLAGS += $(mflags-y) |
1da177e4 | 127 | |
96ae6ea0 | 128 | boot := arch/x86/boot |
1da177e4 | 129 | |
4f193362 | 130 | PHONY += zImage bzImage compressed zlilo bzlilo \ |
841b8a46 | 131 | zdisk bzdisk fdimage fdimage144 fdimage288 isoimage install |
1da177e4 LT |
132 | |
133 | all: bzImage | |
134 | ||
135 | # KBUILD_IMAGE specify target image being built | |
136 | KBUILD_IMAGE := $(boot)/bzImage | |
96ae6ea0 | 137 | zImage zlilo zdisk: KBUILD_IMAGE := arch/x86/boot/zImage |
1da177e4 LT |
138 | |
139 | zImage bzImage: vmlinux | |
140 | $(Q)$(MAKE) $(build)=$(boot) $(KBUILD_IMAGE) | |
3ceba781 SR |
141 | $(Q)mkdir -p $(objtree)/arch/i386/boot |
142 | $(Q)ln -fsn ../../x86/boot/bzImage $(objtree)/arch/i386/boot/bzImage | |
1da177e4 LT |
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 | ||
841b8a46 | 152 | fdimage fdimage144 fdimage288 isoimage: vmlinux |
1da177e4 LT |
153 | $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) $@ |
154 | ||
0d20babd | 155 | install: |
2cacb3da | 156 | $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) install |
1da177e4 | 157 | |
1da177e4 | 158 | archclean: |
96ae6ea0 TG |
159 | $(Q)rm -rf $(objtree)/arch/i386/boot |
160 | $(Q)$(MAKE) $(clean)=arch/x86/boot | |
1da177e4 LT |
161 | |
162 | define archhelp | |
d746d647 | 163 | echo '* bzImage - Compressed kernel image (arch/x86/boot/bzImage)' |
1da177e4 LT |
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' | |
841b8a46 | 170 | echo ' isoimage - Create a boot CD-ROM image' |
1da177e4 LT |
171 | endef |
172 | ||
d746d647 SR |
173 | CLEAN_FILES += arch/x86/boot/fdimage \ |
174 | arch/x86/boot/image.iso \ | |
175 | arch/x86/boot/mtools.conf |