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x86: i387 renaming
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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 # BITS is used as extension for files which are available in a 32 bit
21 # and a 64 bit version to simplify shared Makefiles.
22 # e.g.: obj-y += foo_$(BITS).o
23 BITS := 32
24 export BITS
25
26 HAS_BIARCH      := $(call cc-option-yn, -m32)
27 ifeq ($(HAS_BIARCH),y)
28 AS              := $(AS) --32
29 LD              := $(LD) -m elf_i386
30 CC              := $(CC) -m32
31 endif
32
33 LDFLAGS         := -m elf_i386
34 OBJCOPYFLAGS    := -O binary -R .note -R .comment -S
35 ifdef CONFIG_RELOCATABLE
36 LDFLAGS_vmlinux := --emit-relocs
37 endif
38 CHECKFLAGS      += -D__i386__
39
40 KBUILD_CFLAGS += -pipe -msoft-float -mregparm=3 -freg-struct-return
41
42 # prevent gcc from keeping the stack 16 byte aligned
43 KBUILD_CFLAGS += $(call cc-option,-mpreferred-stack-boundary=2)
44
45 # CPU-specific tuning. Anything which can be shared with UML should go here.
46 include $(srctree)/arch/x86/Makefile_32.cpu
47
48 # temporary until string.h is fixed
49 cflags-y += -ffreestanding
50
51 # Disable unit-at-a-time mode on pre-gcc-4.0 compilers, it makes gcc use
52 # a lot more stack due to the lack of sharing of stacklots:
53 KBUILD_CFLAGS += $(shell if [ $(call cc-version) -lt 0400 ] ; then echo $(call cc-option,-fno-unit-at-a-time); fi ;)
54
55 # do binutils support CFI?
56 cflags-y += $(call as-instr,.cfi_startproc\n.cfi_rel_offset esp${comma}0\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
57 KBUILD_AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_rel_offset esp${comma}0\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
58
59 # is .cfi_signal_frame supported too?
60 cflags-y += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,)
61 KBUILD_AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,)
62
63 KBUILD_CFLAGS += $(cflags-y)
64
65 # Default subarch .c files
66 mcore-y  := arch/x86/mach-default
67
68 # Voyager subarch support
69 mflags-$(CONFIG_X86_VOYAGER)    := -Iinclude/asm-x86/mach-voyager
70 mcore-$(CONFIG_X86_VOYAGER)     := arch/x86/mach-voyager
71
72 # VISWS subarch support
73 mflags-$(CONFIG_X86_VISWS)      := -Iinclude/asm-x86/mach-visws
74 mcore-$(CONFIG_X86_VISWS)       := arch/x86/mach-visws
75
76 # NUMAQ subarch support
77 mflags-$(CONFIG_X86_NUMAQ)      := -Iinclude/asm-x86/mach-numaq
78 mcore-$(CONFIG_X86_NUMAQ)       := arch/x86/mach-default
79
80 # BIGSMP subarch support
81 mflags-$(CONFIG_X86_BIGSMP)     := -Iinclude/asm-x86/mach-bigsmp
82 mcore-$(CONFIG_X86_BIGSMP)      := arch/x86/mach-default
83
84 #Summit subarch support
85 mflags-$(CONFIG_X86_SUMMIT) := -Iinclude/asm-x86/mach-summit
86 mcore-$(CONFIG_X86_SUMMIT)  := arch/x86/mach-default
87
88 # generic subarchitecture
89 mflags-$(CONFIG_X86_GENERICARCH) := -Iinclude/asm-x86/mach-generic
90 mcore-$(CONFIG_X86_GENERICARCH) := arch/x86/mach-default
91 core-$(CONFIG_X86_GENERICARCH) += arch/x86/mach-generic/
92
93 # ES7000 subarch support
94 mflags-$(CONFIG_X86_ES7000)     := -Iinclude/asm-x86/mach-es7000
95 mcore-$(CONFIG_X86_ES7000)      := arch/x86/mach-default
96 core-$(CONFIG_X86_ES7000)       := arch/x86/mach-es7000/
97
98 # Xen paravirtualization support
99 core-$(CONFIG_XEN)              += arch/x86/xen/
100
101 # lguest paravirtualization support
102 core-$(CONFIG_LGUEST_GUEST)     += arch/x86/lguest/
103
104 # default subarch .h files
105 mflags-y += -Iinclude/asm-x86/mach-default
106
107 head-y := arch/x86/kernel/head_32.o arch/x86/kernel/init_task.o
108
109 libs-y                                  += arch/x86/lib/
110 core-y                                  += arch/x86/kernel/ \
111                                            arch/x86/mm/ \
112                                            $(mcore-y)/ \
113                                            arch/x86/crypto/ \
114                                            arch/x86/vdso/
115 drivers-$(CONFIG_MATH_EMULATION)        += arch/x86/math-emu/
116 drivers-$(CONFIG_PCI)                   += arch/x86/pci/
117 # must be linked after kernel/
118 drivers-$(CONFIG_OPROFILE)              += arch/x86/oprofile/
119 drivers-$(CONFIG_PM)                    += arch/x86/power/
120 drivers-$(CONFIG_FB)                    += arch/x86/video/
121
122 KBUILD_CFLAGS += $(mflags-y)
123 KBUILD_AFLAGS += $(mflags-y)
124
125 boot := arch/x86/boot
126
127 PHONY += zImage bzImage compressed zlilo bzlilo \
128          zdisk bzdisk fdimage fdimage144 fdimage288 isoimage install
129
130 all: bzImage
131
132 # KBUILD_IMAGE specify target image being built
133                     KBUILD_IMAGE := $(boot)/bzImage
134 zImage zlilo zdisk: KBUILD_IMAGE := arch/x86/boot/zImage
135
136 zImage bzImage: vmlinux
137         $(Q)$(MAKE) $(build)=$(boot) $(KBUILD_IMAGE)
138         $(Q)mkdir -p $(objtree)/arch/i386/boot
139         $(Q)ln -fsn ../../x86/boot/bzImage $(objtree)/arch/i386/boot/bzImage
140
141 compressed: zImage
142
143 zlilo bzlilo: vmlinux
144         $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zlilo
145
146 zdisk bzdisk: vmlinux
147         $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zdisk
148
149 fdimage fdimage144 fdimage288 isoimage: vmlinux
150         $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) $@
151
152 install: vdso_install
153         $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) install
154
155 PHONY += vdso_install
156 vdso_install:
157         $(Q)$(MAKE) $(build)=arch/x86/vdso $@
158
159 archclean:
160         $(Q)rm -rf $(objtree)/arch/i386
161         $(Q)rm -rf $(objtree)/arch/x86_64
162         $(Q)$(MAKE) $(clean)=arch/x86/boot
163
164 define archhelp
165   echo  '* bzImage      - Compressed kernel image (arch/x86/boot/bzImage)'
166   echo  '  install      - Install kernel using'
167   echo  '                  (your) ~/bin/installkernel or'
168   echo  '                  (distribution) /sbin/installkernel or'
169   echo  '                  install to $$(INSTALL_PATH) and run lilo'
170   echo  '  bzdisk       - Create a boot floppy in /dev/fd0'
171   echo  '  fdimage      - Create a boot floppy image'
172   echo  '  isoimage     - Create a boot CD-ROM image'
173 endef
174
175 CLEAN_FILES += arch/x86/boot/fdimage \
176                arch/x86/boot/image.iso \
177                arch/x86/boot/mtools.conf