blob: 2d9d756fdd74d0cf25b048b3f7a4f06685d25a11 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001#
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#
Kianusch Sayah Karadji47137412005-05-05 16:16:17 -070017# 20050320 Kianusch Sayah Karadji <kianusch@sk-tech.net>
Linus Torvalds1da177e2005-04-16 15:20:36 -070018# Added support for GEODE CPU
19
H. Peter Anvind0e7feb2005-06-23 00:08:09 -070020HAS_BIARCH := $(call cc-option-yn, -m32)
21ifeq ($(HAS_BIARCH),y)
22AS := $(AS) --32
23LD := $(LD) -m elf_i386
24CC := $(CC) -m32
25endif
26
Linus Torvalds1da177e2005-04-16 15:20:36 -070027LDFLAGS := -m elf_i386
28OBJCOPYFLAGS := -O binary -R .note -R .comment -S
29LDFLAGS_vmlinux :=
30CHECKFLAGS += -D__i386__
31
32CFLAGS += -pipe -msoft-float
33
34# prevent gcc from keeping the stack 16 byte aligned
35CFLAGS += $(call cc-option,-mpreferred-stack-boundary=2)
36
Paolo 'Blaisorblade' Giarrusso96d55b82005-10-30 15:00:07 -080037# CPU-specific tuning. Anything which can be shared with UML should go here.
38include $(srctree)/arch/i386/Makefile.cpu
Linus Torvalds1da177e2005-04-16 15:20:36 -070039
Adrian Bunk6aa4c0e2006-01-16 22:13:53 -080040cflags-$(CONFIG_REGPARM) += -mregparm=3
Linus Torvalds1da177e2005-04-16 15:20:36 -070041
Andi Kleen6edfba12006-03-25 16:29:49 +010042# temporary until string.h is fixed
43cflags-y += -ffreestanding
44
Ingo Molnar9ab34fe2006-01-14 13:21:29 -080045# 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:
47CFLAGS += $(shell if [ $(call cc-version) -lt 0400 ] ; then echo $(call cc-option,-fno-unit-at-a-time); fi ;)
Linus Torvalds1da177e2005-04-16 15:20:36 -070048
Andi Kleene2414912006-09-26 10:52:30 +020049# do binutils support CFI?
50cflags-y += $(call as-instr,.cfi_startproc\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
51AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
52
Jan Beulichadf14232006-09-26 10:52:41 +020053# is .cfi_signal_frame supported too?
Andrew Mortonda8604c2006-10-21 18:37:01 +020054cflags-y += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,)
55AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,)
Jan Beulichadf14232006-09-26 10:52:41 +020056
Linus Torvalds1da177e2005-04-16 15:20:36 -070057CFLAGS += $(cflags-y)
58
59# Default subarch .c files
60mcore-y := mach-default
61
62# Voyager subarch support
63mflags-$(CONFIG_X86_VOYAGER) := -Iinclude/asm-i386/mach-voyager
64mcore-$(CONFIG_X86_VOYAGER) := mach-voyager
65
66# VISWS subarch support
67mflags-$(CONFIG_X86_VISWS) := -Iinclude/asm-i386/mach-visws
68mcore-$(CONFIG_X86_VISWS) := mach-visws
69
70# NUMAQ subarch support
71mflags-$(CONFIG_X86_NUMAQ) := -Iinclude/asm-i386/mach-numaq
72mcore-$(CONFIG_X86_NUMAQ) := mach-default
73
74# BIGSMP subarch support
75mflags-$(CONFIG_X86_BIGSMP) := -Iinclude/asm-i386/mach-bigsmp
76mcore-$(CONFIG_X86_BIGSMP) := mach-default
77
78#Summit subarch support
79mflags-$(CONFIG_X86_SUMMIT) := -Iinclude/asm-i386/mach-summit
80mcore-$(CONFIG_X86_SUMMIT) := mach-default
81
82# generic subarchitecture
83mflags-$(CONFIG_X86_GENERICARCH) := -Iinclude/asm-i386/mach-generic
84mcore-$(CONFIG_X86_GENERICARCH) := mach-default
85core-$(CONFIG_X86_GENERICARCH) += arch/i386/mach-generic/
86
87# ES7000 subarch support
88mflags-$(CONFIG_X86_ES7000) := -Iinclude/asm-i386/mach-es7000
89mcore-$(CONFIG_X86_ES7000) := mach-default
90core-$(CONFIG_X86_ES7000) := arch/i386/mach-es7000/
91
92# default subarch .h files
93mflags-y += -Iinclude/asm-i386/mach-default
94
95head-y := arch/i386/kernel/head.o arch/i386/kernel/init_task.o
96
97libs-y += arch/i386/lib/
98core-y += arch/i386/kernel/ \
99 arch/i386/mm/ \
100 arch/i386/$(mcore-y)/ \
101 arch/i386/crypto/
102drivers-$(CONFIG_MATH_EMULATION) += arch/i386/math-emu/
103drivers-$(CONFIG_PCI) += arch/i386/pci/
104# must be linked after kernel/
105drivers-$(CONFIG_OPROFILE) += arch/i386/oprofile/
106drivers-$(CONFIG_PM) += arch/i386/power/
107
108CFLAGS += $(mflags-y)
109AFLAGS += $(mflags-y)
110
111boot := arch/i386/boot
112
Paul Smith4f193362006-03-05 17:14:10 -0500113PHONY += zImage bzImage compressed zlilo bzlilo \
H. Peter Anvin841b8a42006-03-26 01:36:59 -0800114 zdisk bzdisk fdimage fdimage144 fdimage288 isoimage install
Linus Torvalds1da177e2005-04-16 15:20:36 -0700115
116all: bzImage
117
118# KBUILD_IMAGE specify target image being built
119 KBUILD_IMAGE := $(boot)/bzImage
120zImage zlilo zdisk: KBUILD_IMAGE := arch/i386/boot/zImage
121
122zImage bzImage: vmlinux
123 $(Q)$(MAKE) $(build)=$(boot) $(KBUILD_IMAGE)
124
125compressed: zImage
126
127zlilo bzlilo: vmlinux
128 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zlilo
129
130zdisk bzdisk: vmlinux
131 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zdisk
132
H. Peter Anvin841b8a42006-03-26 01:36:59 -0800133fdimage fdimage144 fdimage288 isoimage: vmlinux
Linus Torvalds1da177e2005-04-16 15:20:36 -0700134 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) $@
135
H. Peter Anvin0d20bab2006-01-07 17:38:39 -0800136install:
Sam Ravnborg2cacb3d2005-04-30 16:51:42 -0700137 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) install
Linus Torvalds1da177e2005-04-16 15:20:36 -0700138
Linus Torvalds1da177e2005-04-16 15:20:36 -0700139archclean:
140 $(Q)$(MAKE) $(clean)=arch/i386/boot
141
142define archhelp
143 echo '* bzImage - Compressed kernel image (arch/$(ARCH)/boot/bzImage)'
144 echo ' install - Install kernel using'
145 echo ' (your) ~/bin/installkernel or'
146 echo ' (distribution) /sbin/installkernel or'
147 echo ' install to $$(INSTALL_PATH) and run lilo'
148 echo ' bzdisk - Create a boot floppy in /dev/fd0'
149 echo ' fdimage - Create a boot floppy image'
H. Peter Anvin841b8a42006-03-26 01:36:59 -0800150 echo ' isoimage - Create a boot CD-ROM image'
Linus Torvalds1da177e2005-04-16 15:20:36 -0700151endef
152
H. Peter Anvin841b8a42006-03-26 01:36:59 -0800153CLEAN_FILES += arch/$(ARCH)/boot/fdimage \
154 arch/$(ARCH)/boot/image.iso \
155 arch/$(ARCH)/boot/mtools.conf