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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 | ||
23 | archprepare: | |
24 | @mkdir -p ${objtree}/arch/x86/kernel | |
25 | ||
26 | ||
d0e7feb0 PA |
27 | HAS_BIARCH := $(call cc-option-yn, -m32) |
28 | ifeq ($(HAS_BIARCH),y) | |
29 | AS := $(AS) --32 | |
30 | LD := $(LD) -m elf_i386 | |
31 | CC := $(CC) -m32 | |
32 | endif | |
33 | ||
1da177e4 LT |
34 | LDFLAGS := -m elf_i386 |
35 | OBJCOPYFLAGS := -O binary -R .note -R .comment -S | |
968de4f0 EB |
36 | ifdef CONFIG_RELOCATABLE |
37 | LDFLAGS_vmlinux := --emit-relocs | |
38 | endif | |
1da177e4 LT |
39 | CHECKFLAGS += -D__i386__ |
40 | ||
25165120 | 41 | CFLAGS += -pipe -msoft-float -mregparm=3 -freg-struct-return |
1da177e4 LT |
42 | |
43 | # prevent gcc from keeping the stack 16 byte aligned | |
b4652239 | 44 | CFLAGS += $(call cc-option,-mpreferred-stack-boundary=2) |
1da177e4 | 45 | |
96d55b88 PBG |
46 | # CPU-specific tuning. Anything which can be shared with UML should go here. |
47 | include $(srctree)/arch/i386/Makefile.cpu | |
1da177e4 | 48 | |
6edfba1b AK |
49 | # temporary until string.h is fixed |
50 | cflags-y += -ffreestanding | |
51 | ||
cdfce1f5 AK |
52 | # this works around some issues with generating unwind tables in older gccs |
53 | # newer gccs do it by default | |
54 | cflags-y += -maccumulate-outgoing-args | |
55 | ||
9ab34fe7 IM |
56 | # Disable unit-at-a-time mode on pre-gcc-4.0 compilers, it makes gcc use |
57 | # a lot more stack due to the lack of sharing of stacklots: | |
58 | CFLAGS += $(shell if [ $(call cc-version) -lt 0400 ] ; then echo $(call cc-option,-fno-unit-at-a-time); fi ;) | |
1da177e4 | 59 | |
e2414910 | 60 | # do binutils support CFI? |
f0f12d85 AK |
61 | cflags-y += $(call as-instr,.cfi_startproc\n.cfi_rel_offset esp${comma}0\n.cfi_endproc,-DCONFIG_AS_CFI=1,) |
62 | AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_rel_offset esp${comma}0\n.cfi_endproc,-DCONFIG_AS_CFI=1,) | |
adf14236 JB |
63 | |
64 | # is .cfi_signal_frame supported too? | |
da8604cc AM |
65 | cflags-y += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,) |
66 | AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,) | |
e2414910 | 67 | |
1da177e4 LT |
68 | CFLAGS += $(cflags-y) |
69 | ||
70 | # Default subarch .c files | |
d629e03b | 71 | mcore-y := arch/x86/mach-default |
1da177e4 LT |
72 | |
73 | # Voyager subarch support | |
74 | mflags-$(CONFIG_X86_VOYAGER) := -Iinclude/asm-i386/mach-voyager | |
9402e12b | 75 | mcore-$(CONFIG_X86_VOYAGER) := arch/x86/mach-voyager |
1da177e4 LT |
76 | |
77 | # VISWS subarch support | |
78 | mflags-$(CONFIG_X86_VISWS) := -Iinclude/asm-i386/mach-visws | |
c2b84d8d | 79 | mcore-$(CONFIG_X86_VISWS) := arch/x86/mach-visws |
1da177e4 LT |
80 | |
81 | # NUMAQ subarch support | |
82 | mflags-$(CONFIG_X86_NUMAQ) := -Iinclude/asm-i386/mach-numaq | |
d629e03b | 83 | mcore-$(CONFIG_X86_NUMAQ) := arch/x86/mach-default |
1da177e4 LT |
84 | |
85 | # BIGSMP subarch support | |
86 | mflags-$(CONFIG_X86_BIGSMP) := -Iinclude/asm-i386/mach-bigsmp | |
d629e03b | 87 | mcore-$(CONFIG_X86_BIGSMP) := arch/x86/mach-default |
1da177e4 LT |
88 | |
89 | #Summit subarch support | |
90 | mflags-$(CONFIG_X86_SUMMIT) := -Iinclude/asm-i386/mach-summit | |
d629e03b | 91 | mcore-$(CONFIG_X86_SUMMIT) := arch/x86/mach-default |
1da177e4 LT |
92 | |
93 | # generic subarchitecture | |
94 | mflags-$(CONFIG_X86_GENERICARCH) := -Iinclude/asm-i386/mach-generic | |
d629e03b | 95 | mcore-$(CONFIG_X86_GENERICARCH) := arch/x86/mach-default |
c750a66b | 96 | core-$(CONFIG_X86_GENERICARCH) += arch/x86/mach-generic/ |
1da177e4 LT |
97 | |
98 | # ES7000 subarch support | |
99 | mflags-$(CONFIG_X86_ES7000) := -Iinclude/asm-i386/mach-es7000 | |
d629e03b | 100 | mcore-$(CONFIG_X86_ES7000) := arch/x86/mach-default |
334e621a | 101 | core-$(CONFIG_X86_ES7000) := arch/x86/mach-es7000/ |
1da177e4 | 102 | |
5ead97c8 | 103 | # Xen paravirtualization support |
9702785a | 104 | core-$(CONFIG_XEN) += arch/x86/xen/ |
5ead97c8 | 105 | |
1da177e4 LT |
106 | # default subarch .h files |
107 | mflags-y += -Iinclude/asm-i386/mach-default | |
108 | ||
9a163ed8 | 109 | head-y := arch/x86/kernel/head_32.o arch/x86/kernel/init_task_32.o |
1da177e4 | 110 | |
44f0257f | 111 | libs-y += arch/x86/lib/ |
9a163ed8 | 112 | core-y += arch/x86/kernel/ \ |
ad757b6a | 113 | arch/x86/mm/ \ |
d7394fe5 | 114 | $(mcore-y)/ \ |
9c201942 | 115 | arch/x86/crypto/ |
da957e11 | 116 | drivers-$(CONFIG_MATH_EMULATION) += arch/x86/math-emu/ |
fb9aa6f1 | 117 | drivers-$(CONFIG_PCI) += arch/x86/pci/ |
1da177e4 | 118 | # must be linked after kernel/ |
ff439565 | 119 | drivers-$(CONFIG_OPROFILE) += arch/x86/oprofile/ |
4b60eb83 | 120 | drivers-$(CONFIG_PM) += arch/x86/power/ |
4ac24f63 | 121 | drivers-$(CONFIG_FB) += arch/x86/video/ |
1da177e4 LT |
122 | |
123 | CFLAGS += $(mflags-y) | |
124 | AFLAGS += $(mflags-y) | |
125 | ||
96ae6ea0 | 126 | boot := arch/x86/boot |
1da177e4 | 127 | |
4f193362 | 128 | PHONY += zImage bzImage compressed zlilo bzlilo \ |
841b8a46 | 129 | zdisk bzdisk fdimage fdimage144 fdimage288 isoimage install |
1da177e4 LT |
130 | |
131 | all: bzImage | |
132 | ||
133 | # KBUILD_IMAGE specify target image being built | |
134 | KBUILD_IMAGE := $(boot)/bzImage | |
96ae6ea0 | 135 | zImage zlilo zdisk: KBUILD_IMAGE := arch/x86/boot/zImage |
1da177e4 LT |
136 | |
137 | zImage bzImage: vmlinux | |
96ae6ea0 TG |
138 | $(Q)mkdir -p $(objtree)/arch/i386/boot |
139 | $(Q)ln -fsn $(objtree)/arch/x86/boot/bzImage $(objtree)/arch/i386/boot/bzImage | |
1da177e4 LT |
140 | $(Q)$(MAKE) $(build)=$(boot) $(KBUILD_IMAGE) |
141 | ||
142 | compressed: zImage | |
143 | ||
144 | zlilo bzlilo: vmlinux | |
145 | $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zlilo | |
146 | ||
147 | zdisk bzdisk: vmlinux | |
148 | $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zdisk | |
149 | ||
841b8a46 | 150 | fdimage fdimage144 fdimage288 isoimage: vmlinux |
1da177e4 LT |
151 | $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) $@ |
152 | ||
0d20babd | 153 | install: |
2cacb3da | 154 | $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) install |
1da177e4 | 155 | |
1da177e4 | 156 | archclean: |
96ae6ea0 TG |
157 | $(Q)rm -rf $(objtree)/arch/i386/boot |
158 | $(Q)$(MAKE) $(clean)=arch/x86/boot | |
1da177e4 LT |
159 | |
160 | define archhelp | |
161 | echo '* bzImage - Compressed kernel image (arch/$(ARCH)/boot/bzImage)' | |
162 | echo ' install - Install kernel using' | |
163 | echo ' (your) ~/bin/installkernel or' | |
164 | echo ' (distribution) /sbin/installkernel or' | |
165 | echo ' install to $$(INSTALL_PATH) and run lilo' | |
166 | echo ' bzdisk - Create a boot floppy in /dev/fd0' | |
167 | echo ' fdimage - Create a boot floppy image' | |
841b8a46 | 168 | echo ' isoimage - Create a boot CD-ROM image' |
1da177e4 LT |
169 | endef |
170 | ||
841b8a46 PA |
171 | CLEAN_FILES += arch/$(ARCH)/boot/fdimage \ |
172 | arch/$(ARCH)/boot/image.iso \ | |
173 | arch/$(ARCH)/boot/mtools.conf |