fedora core 6 1.2949 + vserver 2.2.0
[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 # 20050320  Kianusch Sayah Karadji <kianusch@sk-tech.net>
18 #           Added support for GEODE CPU
19
20 HAS_BIARCH      := $(call cc-option-yn, -m32)
21 ifeq ($(HAS_BIARCH),y)
22 AS              := $(AS) --32
23 LD              := $(LD) -m elf_i386
24 CC              := $(CC) -m32
25 endif
26
27 LDFLAGS         := -m elf_i386
28 OBJCOPYFLAGS    := -O binary -R .note -R .comment -S
29 ifdef CONFIG_RELOCATABLE
30 LDFLAGS_vmlinux := --emit-relocs
31 endif
32 CHECKFLAGS      += -D__i386__
33
34 CFLAGS += -pipe -msoft-float -mregparm=3
35
36 # prevent gcc from keeping the stack 16 byte aligned
37 CFLAGS += $(call cc-option,-mpreferred-stack-boundary=2)
38
39 # CPU-specific tuning. Anything which can be shared with UML should go here.
40 include $(srctree)/arch/i386/Makefile.cpu
41
42 # temporary until string.h is fixed
43 cflags-y += -ffreestanding
44
45 # this works around some issues with generating unwind tables in older gccs
46 # newer gccs do it by default
47 cflags-y += -maccumulate-outgoing-args
48
49 # Disable unit-at-a-time mode on pre-gcc-4.0 compilers, it makes gcc use
50 # a lot more stack due to the lack of sharing of stacklots:
51 CFLAGS                          += $(shell if [ $(call cc-version) -lt 0400 ] ; then echo $(call cc-option,-fno-unit-at-a-time); fi ;)
52
53 # do binutils support CFI?
54 cflags-y += $(call as-instr,.cfi_startproc\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
55 AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
56
57 # is .cfi_signal_frame supported too?
58 cflags-y += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,)
59 AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,)
60
61 CFLAGS += $(cflags-y)
62
63 cppflags-$(CONFIG_XEN) += \
64         -D__XEN_INTERFACE_VERSION__=$(CONFIG_XEN_INTERFACE_VERSION)
65
66 CPPFLAGS += $(cppflags-y)
67
68 # Default subarch .c files
69 mcore-y  := mach-default
70
71 # Voyager subarch support
72 mflags-$(CONFIG_X86_VOYAGER)    := -Iinclude/asm-i386/mach-voyager
73 mcore-$(CONFIG_X86_VOYAGER)     := mach-voyager
74
75 # VISWS subarch support
76 mflags-$(CONFIG_X86_VISWS)      := -Iinclude/asm-i386/mach-visws
77 mcore-$(CONFIG_X86_VISWS)       := mach-visws
78
79 # NUMAQ subarch support
80 mflags-$(CONFIG_X86_NUMAQ)      := -Iinclude/asm-i386/mach-numaq
81 mcore-$(CONFIG_X86_NUMAQ)       := mach-default
82
83 # BIGSMP subarch support
84 mflags-$(CONFIG_X86_BIGSMP)     := -Iinclude/asm-i386/mach-bigsmp
85 mcore-$(CONFIG_X86_BIGSMP)      := mach-default
86
87 #Summit subarch support
88 mflags-$(CONFIG_X86_SUMMIT) := -Iinclude/asm-i386/mach-summit
89 mcore-$(CONFIG_X86_SUMMIT)  := mach-default
90
91 # Xen subarch support
92 mflags-$(CONFIG_X86_XEN)        := -Iinclude/asm-i386/mach-xen
93 mcore-$(CONFIG_X86_XEN)         := mach-xen
94
95 # generic subarchitecture
96 mflags-$(CONFIG_X86_GENERICARCH) := -Iinclude/asm-i386/mach-generic
97 mcore-$(CONFIG_X86_GENERICARCH) := mach-default
98 core-$(CONFIG_X86_GENERICARCH) += arch/i386/mach-generic/
99
100 # ES7000 subarch support
101 mflags-$(CONFIG_X86_ES7000)     := -Iinclude/asm-i386/mach-es7000
102 mcore-$(CONFIG_X86_ES7000)      := mach-default
103 core-$(CONFIG_X86_ES7000)       := arch/i386/mach-es7000/
104
105 # default subarch .h files
106 mflags-y += -Iinclude/asm-i386/mach-default
107
108 head-y := arch/i386/kernel/head.o arch/i386/kernel/init_task.o
109
110 libs-y                                  += arch/i386/lib/
111 core-y                                  += arch/i386/kernel/ \
112                                            arch/i386/mm/ \
113                                            arch/i386/$(mcore-y)/ \
114                                            arch/i386/crypto/
115 drivers-$(CONFIG_MATH_EMULATION)        += arch/i386/math-emu/
116 drivers-$(CONFIG_PCI)                   += arch/i386/pci/
117 # must be linked after kernel/
118 drivers-$(CONFIG_OPROFILE)              += arch/i386/oprofile/
119 drivers-$(CONFIG_PM)                    += arch/i386/power/
120
121 CFLAGS += $(mflags-y)
122 AFLAGS += $(mflags-y)
123
124 boot := arch/i386/boot
125
126 PHONY += zImage bzImage compressed zlilo bzlilo \
127          zdisk bzdisk fdimage fdimage144 fdimage288 isoimage install
128
129 ifdef CONFIG_XEN
130 CPPFLAGS := -Iinclude$(if $(KBUILD_SRC),2)/asm/mach-xen $(CPPFLAGS)
131 head-y := arch/i386/kernel/head-xen.o arch/i386/kernel/init_task-xen.o
132 boot := arch/i386/boot-xen
133 .PHONY: vmlinuz
134 all: vmlinuz
135
136 vmlinuz: vmlinux
137         $(Q)$(MAKE) $(build)=$(boot) $@
138
139 install:
140         $(Q)$(MAKE) $(build)=$(boot) XENGUEST=$(XENGUEST) $@
141 else
142 all: bzImage
143
144 # KBUILD_IMAGE specify target image being built
145                     KBUILD_IMAGE := $(boot)/bzImage
146 zImage zlilo zdisk: KBUILD_IMAGE := arch/i386/boot/zImage
147
148 zImage bzImage: vmlinux
149         $(Q)$(MAKE) $(build)=$(boot) $(KBUILD_IMAGE)
150
151 compressed: zImage
152
153 zlilo bzlilo: vmlinux
154         $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zlilo
155
156 zdisk bzdisk: vmlinux
157         $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zdisk
158
159 fdimage fdimage144 fdimage288 isoimage: vmlinux
160         $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) $@
161
162 install:
163         $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) install
164 endif
165
166 archclean:
167         $(Q)$(MAKE) $(clean)=arch/i386/boot
168
169 define archhelp
170   echo  '* bzImage      - Compressed kernel image (arch/$(ARCH)/boot/bzImage)'
171   echo  '  install      - Install kernel using'
172   echo  '                  (your) ~/bin/installkernel or'
173   echo  '                  (distribution) /sbin/installkernel or'
174   echo  '                  install to $$(INSTALL_PATH) and run lilo'
175   echo  '  bzdisk       - Create a boot floppy in /dev/fd0'
176   echo  '  fdimage      - Create a boot floppy image'
177   echo  '  isoimage     - Create a boot CD-ROM image'
178 endef
179
180 CLEAN_FILES += arch/$(ARCH)/boot/fdimage \
181                arch/$(ARCH)/boot/image.iso \
182                arch/$(ARCH)/boot/mtools.conf
183 CLEAN_FILES += vmlinuz vmlinux-stripped