Commit | Line | Data |
---|---|---|
74b469f2 SR |
1 | # Unified Makefile for i386 and x86_64 |
2 | ||
2266cfd5 | 3 | # select defconfig based on actual architecture |
d746d647 SR |
4 | ifeq ($(ARCH),x86) |
5 | KBUILD_DEFCONFIG := i386_defconfig | |
6 | else | |
7 | KBUILD_DEFCONFIG := $(ARCH)_defconfig | |
8 | endif | |
2266cfd5 | 9 | |
edf88417 AK |
10 | core-$(CONFIG_KVM) += arch/x86/kvm/ |
11 | ||
0a6ef376 SR |
12 | # BITS is used as extension for files which are available in a 32 bit |
13 | # and a 64 bit version to simplify shared Makefiles. | |
14 | # e.g.: obj-y += foo_$(BITS).o | |
15 | export BITS | |
74b469f2 | 16 | |
d746d647 | 17 | ifeq ($(CONFIG_X86_32),y) |
0a6ef376 | 18 | BITS := 32 |
8c6531f7 | 19 | UTS_MACHINE := i386 |
4ba7e5cd | 20 | CHECKFLAGS += -D__i386__ |
0a6ef376 | 21 | |
4ba7e5cd SR |
22 | biarch := $(call cc-option,-m32) |
23 | KBUILD_AFLAGS += $(biarch) | |
24 | KBUILD_CFLAGS += $(biarch) | |
0a6ef376 SR |
25 | |
26 | ifdef CONFIG_RELOCATABLE | |
27 | LDFLAGS_vmlinux := --emit-relocs | |
28 | endif | |
0a6ef376 SR |
29 | |
30 | KBUILD_CFLAGS += -msoft-float -mregparm=3 -freg-struct-return | |
31 | ||
32 | # prevent gcc from keeping the stack 16 byte aligned | |
33 | KBUILD_CFLAGS += $(call cc-option,-mpreferred-stack-boundary=2) | |
34 | ||
35 | # Disable unit-at-a-time mode on pre-gcc-4.0 compilers, it makes gcc use | |
36 | # a lot more stack due to the lack of sharing of stacklots: | |
37 | KBUILD_CFLAGS += $(shell if [ $(call cc-version) -lt 0400 ] ; then \ | |
38 | echo $(call cc-option,-fno-unit-at-a-time); fi ;) | |
39 | ||
40 | # CPU-specific tuning. Anything which can be shared with UML should go here. | |
41 | include $(srctree)/arch/x86/Makefile_32.cpu | |
42 | KBUILD_CFLAGS += $(cflags-y) | |
43 | ||
44 | # temporary until string.h is fixed | |
45 | KBUILD_CFLAGS += -ffreestanding | |
74b469f2 | 46 | else |
0a6ef376 | 47 | BITS := 64 |
8c6531f7 | 48 | UTS_MACHINE := x86_64 |
0a6ef376 SR |
49 | CHECKFLAGS += -D__x86_64__ -m64 |
50 | ||
51 | KBUILD_AFLAGS += -m64 | |
52 | KBUILD_CFLAGS += -m64 | |
53 | ||
54 | # FIXME - should be integrated in Makefile.cpu (Makefile_32.cpu) | |
55 | cflags-$(CONFIG_MK8) += $(call cc-option,-march=k8) | |
56 | cflags-$(CONFIG_MPSC) += $(call cc-option,-march=nocona) | |
57 | ||
58 | cflags-$(CONFIG_MCORE2) += \ | |
59 | $(call cc-option,-march=core2,$(call cc-option,-mtune=generic)) | |
60 | cflags-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=generic) | |
61 | KBUILD_CFLAGS += $(cflags-y) | |
62 | ||
63 | KBUILD_CFLAGS += -mno-red-zone | |
64 | KBUILD_CFLAGS += -mcmodel=kernel | |
65 | ||
0a6ef376 SR |
66 | # -funit-at-a-time shrinks the kernel .text considerably |
67 | # unfortunately it makes reading oopses harder. | |
68 | KBUILD_CFLAGS += $(call cc-option,-funit-at-a-time) | |
69 | ||
0a6ef376 SR |
70 | # this works around some issues with generating unwind tables in older gccs |
71 | # newer gccs do it by default | |
72 | KBUILD_CFLAGS += -maccumulate-outgoing-args | |
73 | ||
74 | stackp := $(CONFIG_SHELL) $(srctree)/scripts/gcc-x86_64-has-stack-protector.sh | |
75 | stackp-$(CONFIG_CC_STACKPROTECTOR) := $(shell $(stackp) \ | |
76 | "$(CC)" -fstack-protector ) | |
77 | stackp-$(CONFIG_CC_STACKPROTECTOR_ALL) += $(shell $(stackp) \ | |
78 | "$(CC)" -fstack-protector-all ) | |
79 | ||
80 | KBUILD_CFLAGS += $(stackp-y) | |
81 | endif | |
82 | ||
83 | # Stackpointer is addressed different for 32 bit and 64 bit x86 | |
84 | sp-$(CONFIG_X86_32) := esp | |
85 | sp-$(CONFIG_X86_64) := rsp | |
86 | ||
87 | # do binutils support CFI? | |
88 | cfi := $(call as-instr,.cfi_startproc\n.cfi_rel_offset $(sp-y)$(comma)0\n.cfi_endproc,-DCONFIG_AS_CFI=1) | |
89 | # is .cfi_signal_frame supported too? | |
90 | cfi-sigframe := $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1) | |
91 | KBUILD_AFLAGS += $(cfi) $(cfi-sigframe) | |
92 | KBUILD_CFLAGS += $(cfi) $(cfi-sigframe) | |
93 | ||
94 | LDFLAGS := -m elf_$(UTS_MACHINE) | |
25dfeeb7 SR |
95 | |
96 | # Speed up the build | |
0a6ef376 | 97 | KBUILD_CFLAGS += -pipe |
25dfeeb7 SR |
98 | # Workaround for a gcc prelease that unfortunately was shipped in a suse release |
99 | KBUILD_CFLAGS += -Wno-sign-compare | |
100 | # | |
101 | KBUILD_CFLAGS += -fno-asynchronous-unwind-tables | |
102 | # prevent gcc from generating any FP code by mistake | |
103 | KBUILD_CFLAGS += $(call cc-option,-mno-sse -mno-mmx -mno-sse2 -mno-3dnow,) | |
0a6ef376 SR |
104 | |
105 | ### | |
106 | # Sub architecture support | |
107 | # fcore-y is linked before mcore-y files. | |
108 | ||
109 | # Default subarch .c files | |
110 | mcore-y := arch/x86/mach-default/ | |
111 | ||
112 | # Voyager subarch support | |
113 | mflags-$(CONFIG_X86_VOYAGER) := -Iinclude/asm-x86/mach-voyager | |
114 | mcore-$(CONFIG_X86_VOYAGER) := arch/x86/mach-voyager/ | |
115 | ||
116 | # VISWS subarch support | |
117 | mflags-$(CONFIG_X86_VISWS) := -Iinclude/asm-x86/mach-visws | |
118 | mcore-$(CONFIG_X86_VISWS) := arch/x86/mach-visws/ | |
119 | ||
120 | # NUMAQ subarch support | |
121 | mflags-$(CONFIG_X86_NUMAQ) := -Iinclude/asm-x86/mach-numaq | |
122 | mcore-$(CONFIG_X86_NUMAQ) := arch/x86/mach-default/ | |
123 | ||
124 | # BIGSMP subarch support | |
125 | mflags-$(CONFIG_X86_BIGSMP) := -Iinclude/asm-x86/mach-bigsmp | |
126 | mcore-$(CONFIG_X86_BIGSMP) := arch/x86/mach-default/ | |
127 | ||
128 | #Summit subarch support | |
129 | mflags-$(CONFIG_X86_SUMMIT) := -Iinclude/asm-x86/mach-summit | |
130 | mcore-$(CONFIG_X86_SUMMIT) := arch/x86/mach-default/ | |
131 | ||
132 | # generic subarchitecture | |
133 | mflags-$(CONFIG_X86_GENERICARCH):= -Iinclude/asm-x86/mach-generic | |
134 | fcore-$(CONFIG_X86_GENERICARCH) += arch/x86/mach-generic/ | |
135 | mcore-$(CONFIG_X86_GENERICARCH) := arch/x86/mach-default/ | |
136 | ||
137 | ||
138 | # ES7000 subarch support | |
139 | mflags-$(CONFIG_X86_ES7000) := -Iinclude/asm-x86/mach-es7000 | |
140 | fcore-$(CONFIG_X86_ES7000) := arch/x86/mach-es7000/ | |
141 | mcore-$(CONFIG_X86_ES7000) := arch/x86/mach-default/ | |
142 | ||
5e3a77e9 FF |
143 | # RDC R-321x subarch support |
144 | mflags-$(CONFIG_X86_RDC321X) := -Iinclude/asm-x86/mach-rdc321x | |
e3c2a998 | 145 | mcore-$(CONFIG_X86_RDC321X) := arch/x86/mach-default/ |
5e3a77e9 FF |
146 | core-$(CONFIG_X86_RDC321X) += arch/x86/mach-rdc321x/ |
147 | ||
0a6ef376 SR |
148 | # default subarch .h files |
149 | mflags-y += -Iinclude/asm-x86/mach-default | |
150 | ||
151 | # 64 bit does not support subarch support - clear sub arch variables | |
152 | fcore-$(CONFIG_X86_64) := | |
153 | mcore-$(CONFIG_X86_64) := | |
0a6ef376 SR |
154 | |
155 | KBUILD_CFLAGS += $(mflags-y) | |
156 | KBUILD_AFLAGS += $(mflags-y) | |
157 | ||
158 | ### | |
159 | # Kernel objects | |
160 | ||
700efc1b EB |
161 | head-y := arch/x86/kernel/head_$(BITS).o |
162 | head-y += arch/x86/kernel/head$(BITS).o | |
163 | head-y += arch/x86/kernel/init_task.o | |
0a6ef376 SR |
164 | |
165 | libs-y += arch/x86/lib/ | |
166 | ||
167 | # Sub architecture files that needs linking first | |
168 | core-y += $(fcore-y) | |
169 | ||
170 | # Xen paravirtualization support | |
171 | core-$(CONFIG_XEN) += arch/x86/xen/ | |
172 | ||
173 | # lguest paravirtualization support | |
174 | core-$(CONFIG_LGUEST_GUEST) += arch/x86/lguest/ | |
175 | ||
176 | core-y += arch/x86/kernel/ | |
177 | core-y += arch/x86/mm/ | |
178 | ||
179 | # Remaining sub architecture files | |
180 | core-y += $(mcore-y) | |
181 | ||
182 | core-y += arch/x86/crypto/ | |
183 | core-y += arch/x86/vdso/ | |
184 | core-$(CONFIG_IA32_EMULATION) += arch/x86/ia32/ | |
185 | ||
186 | # drivers-y are linked after core-y | |
187 | drivers-$(CONFIG_MATH_EMULATION) += arch/x86/math-emu/ | |
188 | drivers-$(CONFIG_PCI) += arch/x86/pci/ | |
189 | ||
190 | # must be linked after kernel/ | |
191 | drivers-$(CONFIG_OPROFILE) += arch/x86/oprofile/ | |
192 | ||
cf7700fe | 193 | # suspend and hibernation support |
0a6ef376 | 194 | drivers-$(CONFIG_PM) += arch/x86/power/ |
cf7700fe RW |
195 | |
196 | ifeq ($(CONFIG_X86_32),y) | |
0a6ef376 | 197 | drivers-$(CONFIG_FB) += arch/x86/video/ |
74b469f2 | 198 | endif |
0a6ef376 SR |
199 | |
200 | #### | |
201 | # boot loader support. Several targets are kept for legacy purposes | |
202 | ||
203 | boot := arch/x86/boot | |
204 | ||
205 | PHONY += zImage bzImage compressed zlilo bzlilo \ | |
206 | zdisk bzdisk fdimage fdimage144 fdimage288 isoimage install | |
207 | ||
208 | # Default kernel to build | |
209 | all: bzImage | |
210 | ||
211 | # KBUILD_IMAGE specify target image being built | |
212 | KBUILD_IMAGE := $(boot)/bzImage | |
213 | zImage zlilo zdisk: KBUILD_IMAGE := arch/x86/boot/zImage | |
214 | ||
215 | zImage bzImage: vmlinux | |
216 | $(Q)$(MAKE) $(build)=$(boot) $(KBUILD_IMAGE) | |
217 | $(Q)mkdir -p $(objtree)/arch/$(UTS_MACHINE)/boot | |
218 | $(Q)ln -fsn ../../x86/boot/bzImage $(objtree)/arch/$(UTS_MACHINE)/boot/bzImage | |
219 | ||
220 | compressed: zImage | |
221 | ||
222 | zlilo bzlilo: vmlinux | |
223 | $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zlilo | |
224 | ||
225 | zdisk bzdisk: vmlinux | |
226 | $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zdisk | |
227 | ||
228 | fdimage fdimage144 fdimage288 isoimage: vmlinux | |
229 | $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) $@ | |
230 | ||
3f85d63e | 231 | install: |
0a6ef376 SR |
232 | $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) install |
233 | ||
234 | PHONY += vdso_install | |
235 | vdso_install: | |
236 | $(Q)$(MAKE) $(build)=arch/x86/vdso $@ | |
237 | ||
238 | archclean: | |
239 | $(Q)rm -rf $(objtree)/arch/i386 | |
240 | $(Q)rm -rf $(objtree)/arch/x86_64 | |
241 | $(Q)$(MAKE) $(clean)=$(boot) | |
242 | ||
243 | define archhelp | |
37f30e21 AK |
244 | echo '* bzImage - Compressed kernel image (arch/x86/boot/bzImage)' |
245 | echo ' install - Install kernel using' | |
246 | echo ' (your) ~/bin/installkernel or' | |
247 | echo ' (distribution) /sbin/installkernel or' | |
248 | echo ' install to $$(INSTALL_PATH) and run lilo' | |
249 | echo ' fdimage - Create 1.4MB boot floppy image (arch/x86/boot/fdimage)' | |
250 | echo ' fdimage144 - Create 1.4MB boot floppy image (arch/x86/boot/fdimage)' | |
251 | echo ' fdimage288 - Create 2.8MB boot floppy image (arch/x86/boot/fdimage)' | |
252 | echo ' isoimage - Create a boot CD-ROM image (arch/x86/boot/image.iso)' | |
253 | echo ' bzdisk/fdimage*/isoimage also accept:' | |
254 | echo ' FDARGS="..." arguments for the booted kernel' | |
255 | echo ' FDINITRD=file initrd for the booted kernel' | |
0a6ef376 SR |
256 | endef |
257 | ||
258 | CLEAN_FILES += arch/x86/boot/fdimage \ | |
259 | arch/x86/boot/image.iso \ | |
260 | arch/x86/boot/mtools.conf |