Linux-2.6.12-rc2
[linux-2.6.git] / arch / i386 / Makefile
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 #
17 #           Kianusch Sayah Karadji <kianusch@sk-tech.net>
18 #           Added support for GEODE CPU
19
20 LDFLAGS         := -m elf_i386
21 OBJCOPYFLAGS    := -O binary -R .note -R .comment -S
22 LDFLAGS_vmlinux :=
23 CHECKFLAGS      += -D__i386__
24
25 CFLAGS += -pipe -msoft-float
26
27 # prevent gcc from keeping the stack 16 byte aligned
28 CFLAGS += $(call cc-option,-mpreferred-stack-boundary=2)
29
30 align := $(cc-option-align)
31 cflags-$(CONFIG_M386)           += -march=i386
32 cflags-$(CONFIG_M486)           += -march=i486
33 cflags-$(CONFIG_M586)           += -march=i586
34 cflags-$(CONFIG_M586TSC)        += -march=i586
35 cflags-$(CONFIG_M586MMX)        += $(call cc-option,-march=pentium-mmx,-march=i586)
36 cflags-$(CONFIG_M686)           += -march=i686
37 cflags-$(CONFIG_MPENTIUMII)     += -march=i686 $(call cc-option,-mtune=pentium2)
38 cflags-$(CONFIG_MPENTIUMIII)    += -march=i686 $(call cc-option,-mtune=pentium3)
39 cflags-$(CONFIG_MPENTIUMM)      += -march=i686 $(call cc-option,-mtune=pentium3)
40 cflags-$(CONFIG_MPENTIUM4)      += -march=i686 $(call cc-option,-mtune=pentium4)
41 cflags-$(CONFIG_MK6)            += -march=k6
42 # Please note, that patches that add -march=athlon-xp and friends are pointless.
43 # They make zero difference whatsosever to performance at this time.
44 cflags-$(CONFIG_MK7)            += $(call cc-option,-march=athlon,-march=i686 $(align)-functions=4)
45 cflags-$(CONFIG_MK8)            += $(call cc-option,-march=k8,$(call cc-option,-march=athlon,-march=i686 $(align)-functions=4))
46 cflags-$(CONFIG_MCRUSOE)        += -march=i686 $(align)-functions=0 $(align)-jumps=0 $(align)-loops=0
47 cflags-$(CONFIG_MEFFICEON)      += -march=i686 $(call cc-option,-mtune=pentium3) $(align)-functions=0 $(align)-jumps=0 $(align)-loops=0
48 cflags-$(CONFIG_MWINCHIPC6)     += $(call cc-option,-march=winchip-c6,-march=i586)
49 cflags-$(CONFIG_MWINCHIP2)      += $(call cc-option,-march=winchip2,-march=i586)
50 cflags-$(CONFIG_MWINCHIP3D)     += $(call cc-option,-march=winchip2,-march=i586)
51 cflags-$(CONFIG_MCYRIXIII)      += $(call cc-option,-march=c3,-march=i486) $(align)-functions=0 $(align)-jumps=0 $(align)-loops=0
52 cflags-$(CONFIG_MVIAC3_2)       += $(call cc-option,-march=c3-2,-march=i686)
53
54 # AMD Elan support
55 cflags-$(CONFIG_X86_ELAN)       += -march=i486
56
57 # MediaGX aka Geode support
58 cflags-$(CONFIG_MGEODE)         += $(call cc-option,-march=pentium-mmx,-march=i586)
59
60 # -mregparm=3 works ok on gcc-3.0 and later
61 #
62 GCC_VERSION                     := $(call cc-version)
63 cflags-$(CONFIG_REGPARM)        += $(shell if [ $(GCC_VERSION) -ge 0300 ] ; then echo "-mregparm=3"; fi ;)
64
65 # Disable unit-at-a-time mode, it makes gcc use a lot more stack
66 # due to the lack of sharing of stacklots.
67 CFLAGS += $(call cc-option,-fno-unit-at-a-time)
68
69 CFLAGS += $(cflags-y)
70
71 # Default subarch .c files
72 mcore-y  := mach-default
73
74 # Voyager subarch support
75 mflags-$(CONFIG_X86_VOYAGER)    := -Iinclude/asm-i386/mach-voyager
76 mcore-$(CONFIG_X86_VOYAGER)     := mach-voyager
77
78 # VISWS subarch support
79 mflags-$(CONFIG_X86_VISWS)      := -Iinclude/asm-i386/mach-visws
80 mcore-$(CONFIG_X86_VISWS)       := mach-visws
81
82 # NUMAQ subarch support
83 mflags-$(CONFIG_X86_NUMAQ)      := -Iinclude/asm-i386/mach-numaq
84 mcore-$(CONFIG_X86_NUMAQ)       := mach-default
85
86 # BIGSMP subarch support
87 mflags-$(CONFIG_X86_BIGSMP)     := -Iinclude/asm-i386/mach-bigsmp
88 mcore-$(CONFIG_X86_BIGSMP)      := mach-default
89
90 #Summit subarch support
91 mflags-$(CONFIG_X86_SUMMIT) := -Iinclude/asm-i386/mach-summit
92 mcore-$(CONFIG_X86_SUMMIT)  := mach-default
93
94 # generic subarchitecture
95 mflags-$(CONFIG_X86_GENERICARCH) := -Iinclude/asm-i386/mach-generic
96 mcore-$(CONFIG_X86_GENERICARCH) := mach-default
97 core-$(CONFIG_X86_GENERICARCH) += arch/i386/mach-generic/
98
99 # ES7000 subarch support
100 mflags-$(CONFIG_X86_ES7000)     := -Iinclude/asm-i386/mach-es7000
101 mcore-$(CONFIG_X86_ES7000)      := mach-default
102 core-$(CONFIG_X86_ES7000)       := arch/i386/mach-es7000/
103
104 # default subarch .h files
105 mflags-y += -Iinclude/asm-i386/mach-default
106
107 head-y := arch/i386/kernel/head.o arch/i386/kernel/init_task.o
108
109 libs-y                                  += arch/i386/lib/
110 core-y                                  += arch/i386/kernel/ \
111                                            arch/i386/mm/ \
112                                            arch/i386/$(mcore-y)/ \
113                                            arch/i386/crypto/
114 drivers-$(CONFIG_MATH_EMULATION)        += arch/i386/math-emu/
115 drivers-$(CONFIG_PCI)                   += arch/i386/pci/
116 # must be linked after kernel/
117 drivers-$(CONFIG_OPROFILE)              += arch/i386/oprofile/
118 drivers-$(CONFIG_PM)                    += arch/i386/power/
119
120 CFLAGS += $(mflags-y)
121 AFLAGS += $(mflags-y)
122
123 boot := arch/i386/boot
124
125 .PHONY: zImage bzImage compressed zlilo bzlilo \
126         zdisk bzdisk fdimage fdimage144 fdimage288 install
127
128 all: bzImage
129
130 # KBUILD_IMAGE specify target image being built
131                     KBUILD_IMAGE := $(boot)/bzImage
132 zImage zlilo zdisk: KBUILD_IMAGE := arch/i386/boot/zImage
133
134 zImage bzImage: vmlinux
135         $(Q)$(MAKE) $(build)=$(boot) $(KBUILD_IMAGE)
136
137 compressed: zImage
138
139 zlilo bzlilo: vmlinux
140         $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zlilo
141
142 zdisk bzdisk: vmlinux
143         $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zdisk
144
145 fdimage fdimage144 fdimage288: vmlinux
146         $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) $@
147
148 install:
149         $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) $@
150
151 prepare: include/asm-$(ARCH)/asm_offsets.h
152 CLEAN_FILES += include/asm-$(ARCH)/asm_offsets.h
153
154 arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \
155                                    include/config/MARKER
156
157 include/asm-$(ARCH)/asm_offsets.h: arch/$(ARCH)/kernel/asm-offsets.s
158         $(call filechk,gen-asm-offsets)
159
160 archclean:
161         $(Q)$(MAKE) $(clean)=arch/i386/boot
162
163 define archhelp
164   echo  '* bzImage      - Compressed kernel image (arch/$(ARCH)/boot/bzImage)'
165   echo  '  install      - Install kernel using'
166   echo  '                  (your) ~/bin/installkernel or'
167   echo  '                  (distribution) /sbin/installkernel or'
168   echo  '                  install to $$(INSTALL_PATH) and run lilo'
169   echo  '  bzdisk       - Create a boot floppy in /dev/fd0'
170   echo  '  fdimage      - Create a boot floppy image'
171 endef
172
173 CLEAN_FILES += arch/$(ARCH)/boot/fdimage arch/$(ARCH)/boot/mtools.conf