508cdbeb3a092845925cb3fb6a7ec39f514cf997
[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 LDFLAGS_vmlinux :=
30 CHECKFLAGS      += -D__i386__
31
32 CFLAGS += -pipe -msoft-float
33
34 # prevent gcc from keeping the stack 16 byte aligned
35 CFLAGS += $(call cc-option,-mpreferred-stack-boundary=2)
36
37 # CPU-specific tuning. Anything which can be shared with UML should go here.
38 include $(srctree)/arch/i386/Makefile.cpu
39
40 cflags-$(CONFIG_REGPARM) += -mregparm=3
41
42 # temporary until string.h is fixed
43 cflags-y += -ffreestanding
44
45 # Disable unit-at-a-time mode on pre-gcc-4.0 compilers, it makes gcc use
46 # a lot more stack due to the lack of sharing of stacklots:
47 CFLAGS                          += $(shell if [ $(call cc-version) -lt 0400 ] ; then echo $(call cc-option,-fno-unit-at-a-time); fi ;)
48
49 # do binutils support CFI?
50 cflags-y += $(call as-instr,.cfi_startproc\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
51 AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
52
53 CFLAGS += $(cflags-y)
54
55 # Default subarch .c files
56 mcore-y  := mach-default
57
58 # Voyager subarch support
59 mflags-$(CONFIG_X86_VOYAGER)    := -Iinclude/asm-i386/mach-voyager
60 mcore-$(CONFIG_X86_VOYAGER)     := mach-voyager
61
62 # VISWS subarch support
63 mflags-$(CONFIG_X86_VISWS)      := -Iinclude/asm-i386/mach-visws
64 mcore-$(CONFIG_X86_VISWS)       := mach-visws
65
66 # NUMAQ subarch support
67 mflags-$(CONFIG_X86_NUMAQ)      := -Iinclude/asm-i386/mach-numaq
68 mcore-$(CONFIG_X86_NUMAQ)       := mach-default
69
70 # BIGSMP subarch support
71 mflags-$(CONFIG_X86_BIGSMP)     := -Iinclude/asm-i386/mach-bigsmp
72 mcore-$(CONFIG_X86_BIGSMP)      := mach-default
73
74 #Summit subarch support
75 mflags-$(CONFIG_X86_SUMMIT) := -Iinclude/asm-i386/mach-summit
76 mcore-$(CONFIG_X86_SUMMIT)  := mach-default
77
78 # generic subarchitecture
79 mflags-$(CONFIG_X86_GENERICARCH) := -Iinclude/asm-i386/mach-generic
80 mcore-$(CONFIG_X86_GENERICARCH) := mach-default
81 core-$(CONFIG_X86_GENERICARCH) += arch/i386/mach-generic/
82
83 # ES7000 subarch support
84 mflags-$(CONFIG_X86_ES7000)     := -Iinclude/asm-i386/mach-es7000
85 mcore-$(CONFIG_X86_ES7000)      := mach-default
86 core-$(CONFIG_X86_ES7000)       := arch/i386/mach-es7000/
87
88 # default subarch .h files
89 mflags-y += -Iinclude/asm-i386/mach-default
90
91 head-y := arch/i386/kernel/head.o arch/i386/kernel/init_task.o
92
93 libs-y                                  += arch/i386/lib/
94 core-y                                  += arch/i386/kernel/ \
95                                            arch/i386/mm/ \
96                                            arch/i386/$(mcore-y)/ \
97                                            arch/i386/crypto/
98 drivers-$(CONFIG_MATH_EMULATION)        += arch/i386/math-emu/
99 drivers-$(CONFIG_PCI)                   += arch/i386/pci/
100 # must be linked after kernel/
101 drivers-$(CONFIG_OPROFILE)              += arch/i386/oprofile/
102 drivers-$(CONFIG_PM)                    += arch/i386/power/
103
104 CFLAGS += $(mflags-y)
105 AFLAGS += $(mflags-y)
106
107 boot := arch/i386/boot
108
109 PHONY += zImage bzImage compressed zlilo bzlilo \
110          zdisk bzdisk fdimage fdimage144 fdimage288 isoimage install
111
112 all: bzImage
113
114 # KBUILD_IMAGE specify target image being built
115                     KBUILD_IMAGE := $(boot)/bzImage
116 zImage zlilo zdisk: KBUILD_IMAGE := arch/i386/boot/zImage
117
118 zImage bzImage: vmlinux
119         $(Q)$(MAKE) $(build)=$(boot) $(KBUILD_IMAGE)
120
121 compressed: zImage
122
123 zlilo bzlilo: vmlinux
124         $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zlilo
125
126 zdisk bzdisk: vmlinux
127         $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zdisk
128
129 fdimage fdimage144 fdimage288 isoimage: vmlinux
130         $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) $@
131
132 install:
133         $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) install
134
135 archclean:
136         $(Q)$(MAKE) $(clean)=arch/i386/boot
137
138 define archhelp
139   echo  '* bzImage      - Compressed kernel image (arch/$(ARCH)/boot/bzImage)'
140   echo  '  install      - Install kernel using'
141   echo  '                  (your) ~/bin/installkernel or'
142   echo  '                  (distribution) /sbin/installkernel or'
143   echo  '                  install to $$(INSTALL_PATH) and run lilo'
144   echo  '  bzdisk       - Create a boot floppy in /dev/fd0'
145   echo  '  fdimage      - Create a boot floppy image'
146   echo  '  isoimage     - Create a boot CD-ROM image'
147 endef
148
149 CLEAN_FILES += arch/$(ARCH)/boot/fdimage \
150                arch/$(ARCH)/boot/image.iso \
151                arch/$(ARCH)/boot/mtools.conf