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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
Thomas Gleixner9a163ed2007-10-11 11:17:01 +020020# Fill in SRCARCH
21SRCARCH := x86
22
Thomas Gleixnerbec2c482007-10-23 22:37:23 +020023# BITS is used as extension for files which are available in a 32 bit
24# and a 64 bit version to simplify shared Makefiles.
25# e.g.: obj-y += foo_$(BITS).o
26BITS := 32
27export BITS
28
H. Peter Anvind0e7feb2005-06-23 00:08:09 -070029HAS_BIARCH := $(call cc-option-yn, -m32)
30ifeq ($(HAS_BIARCH),y)
31AS := $(AS) --32
32LD := $(LD) -m elf_i386
33CC := $(CC) -m32
34endif
35
Linus Torvalds1da177e2005-04-16 15:20:36 -070036LDFLAGS := -m elf_i386
37OBJCOPYFLAGS := -O binary -R .note -R .comment -S
Eric W. Biederman968de4f2006-12-07 02:14:04 +010038ifdef CONFIG_RELOCATABLE
39LDFLAGS_vmlinux := --emit-relocs
40endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070041CHECKFLAGS += -D__i386__
42
Sam Ravnborga0f97e02007-10-14 22:21:35 +020043KBUILD_CFLAGS += -pipe -msoft-float -mregparm=3 -freg-struct-return
Linus Torvalds1da177e2005-04-16 15:20:36 -070044
45# prevent gcc from keeping the stack 16 byte aligned
Sam Ravnborga0f97e02007-10-14 22:21:35 +020046KBUILD_CFLAGS += $(call cc-option,-mpreferred-stack-boundary=2)
Linus Torvalds1da177e2005-04-16 15:20:36 -070047
Paolo 'Blaisorblade' Giarrusso96d55b82005-10-30 15:00:07 -080048# CPU-specific tuning. Anything which can be shared with UML should go here.
49include $(srctree)/arch/i386/Makefile.cpu
Linus Torvalds1da177e2005-04-16 15:20:36 -070050
Andi Kleen6edfba12006-03-25 16:29:49 +010051# temporary until string.h is fixed
52cflags-y += -ffreestanding
53
Andi Kleencdfce1f2006-10-21 18:37:01 +020054# this works around some issues with generating unwind tables in older gccs
55# newer gccs do it by default
56cflags-y += -maccumulate-outgoing-args
57
Ingo Molnar9ab34fe2006-01-14 13:21:29 -080058# Disable unit-at-a-time mode on pre-gcc-4.0 compilers, it makes gcc use
59# a lot more stack due to the lack of sharing of stacklots:
Sam Ravnborga0f97e02007-10-14 22:21:35 +020060KBUILD_CFLAGS += $(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 -070061
Andi Kleene2414912006-09-26 10:52:30 +020062# do binutils support CFI?
Andi Kleenf0f12d82007-08-15 02:40:37 +020063cflags-y += $(call as-instr,.cfi_startproc\n.cfi_rel_offset esp${comma}0\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
Sam Ravnborg222d3942007-10-15 21:59:31 +020064KBUILD_AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_rel_offset esp${comma}0\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
Andi Kleene2414912006-09-26 10:52:30 +020065
Jan Beulichadf14232006-09-26 10:52:41 +020066# is .cfi_signal_frame supported too?
Andrew Mortonda8604c2006-10-21 18:37:01 +020067cflags-y += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,)
Sam Ravnborg222d3942007-10-15 21:59:31 +020068KBUILD_AFLAGS += $(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 +020069
Sam Ravnborga0f97e02007-10-14 22:21:35 +020070KBUILD_CFLAGS += $(cflags-y)
Linus Torvalds1da177e2005-04-16 15:20:36 -070071
72# Default subarch .c files
Thomas Gleixnerd629e032007-10-11 11:16:48 +020073mcore-y := arch/x86/mach-default
Linus Torvalds1da177e2005-04-16 15:20:36 -070074
75# Voyager subarch support
Thomas Gleixner96a388d2007-10-11 11:20:03 +020076mflags-$(CONFIG_X86_VOYAGER) := -Iinclude/asm-x86/mach-voyager
Thomas Gleixner9402e122007-10-11 11:16:53 +020077mcore-$(CONFIG_X86_VOYAGER) := arch/x86/mach-voyager
Linus Torvalds1da177e2005-04-16 15:20:36 -070078
79# VISWS subarch support
Thomas Gleixner96a388d2007-10-11 11:20:03 +020080mflags-$(CONFIG_X86_VISWS) := -Iinclude/asm-x86/mach-visws
Thomas Gleixnerc2b84d82007-10-11 11:16:38 +020081mcore-$(CONFIG_X86_VISWS) := arch/x86/mach-visws
Linus Torvalds1da177e2005-04-16 15:20:36 -070082
83# NUMAQ subarch support
Thomas Gleixner96a388d2007-10-11 11:20:03 +020084mflags-$(CONFIG_X86_NUMAQ) := -Iinclude/asm-x86/mach-numaq
Thomas Gleixnerd629e032007-10-11 11:16:48 +020085mcore-$(CONFIG_X86_NUMAQ) := arch/x86/mach-default
Linus Torvalds1da177e2005-04-16 15:20:36 -070086
87# BIGSMP subarch support
Thomas Gleixner96a388d2007-10-11 11:20:03 +020088mflags-$(CONFIG_X86_BIGSMP) := -Iinclude/asm-x86/mach-bigsmp
Thomas Gleixnerd629e032007-10-11 11:16:48 +020089mcore-$(CONFIG_X86_BIGSMP) := arch/x86/mach-default
Linus Torvalds1da177e2005-04-16 15:20:36 -070090
91#Summit subarch support
Thomas Gleixner96a388d2007-10-11 11:20:03 +020092mflags-$(CONFIG_X86_SUMMIT) := -Iinclude/asm-x86/mach-summit
Thomas Gleixnerd629e032007-10-11 11:16:48 +020093mcore-$(CONFIG_X86_SUMMIT) := arch/x86/mach-default
Linus Torvalds1da177e2005-04-16 15:20:36 -070094
95# generic subarchitecture
Thomas Gleixner96a388d2007-10-11 11:20:03 +020096mflags-$(CONFIG_X86_GENERICARCH) := -Iinclude/asm-x86/mach-generic
Thomas Gleixnerd629e032007-10-11 11:16:48 +020097mcore-$(CONFIG_X86_GENERICARCH) := arch/x86/mach-default
Thomas Gleixnerc750a662007-10-11 11:16:39 +020098core-$(CONFIG_X86_GENERICARCH) += arch/x86/mach-generic/
Linus Torvalds1da177e2005-04-16 15:20:36 -070099
100# ES7000 subarch support
Thomas Gleixner96a388d2007-10-11 11:20:03 +0200101mflags-$(CONFIG_X86_ES7000) := -Iinclude/asm-x86/mach-es7000
Thomas Gleixnerd629e032007-10-11 11:16:48 +0200102mcore-$(CONFIG_X86_ES7000) := arch/x86/mach-default
Thomas Gleixner334e6212007-10-11 11:16:50 +0200103core-$(CONFIG_X86_ES7000) := arch/x86/mach-es7000/
Linus Torvalds1da177e2005-04-16 15:20:36 -0700104
Jeremy Fitzhardinge5ead97c2007-07-17 18:37:04 -0700105# Xen paravirtualization support
Thomas Gleixner97027852007-10-11 11:16:51 +0200106core-$(CONFIG_XEN) += arch/x86/xen/
Jeremy Fitzhardinge5ead97c2007-07-17 18:37:04 -0700107
Rusty Russell34b88672007-10-22 11:01:54 +1000108# lguest paravirtualization support
109core-$(CONFIG_LGUEST_GUEST) += arch/x86/lguest/
110
Linus Torvalds1da177e2005-04-16 15:20:36 -0700111# default subarch .h files
Thomas Gleixner96a388d2007-10-11 11:20:03 +0200112mflags-y += -Iinclude/asm-x86/mach-default
Linus Torvalds1da177e2005-04-16 15:20:36 -0700113
Hiroshi Shimamoto77788872007-10-19 20:35:02 +0200114head-y := arch/x86/kernel/head_32.o arch/x86/kernel/init_task.o
Linus Torvalds1da177e2005-04-16 15:20:36 -0700115
Thomas Gleixner44f02572007-10-11 11:16:33 +0200116libs-y += arch/x86/lib/
Thomas Gleixner9a163ed2007-10-11 11:17:01 +0200117core-y += arch/x86/kernel/ \
Thomas Gleixnerad757b62007-10-11 11:16:47 +0200118 arch/x86/mm/ \
Thomas Gleixnerd7394fe2007-10-11 11:11:35 +0200119 $(mcore-y)/ \
Thomas Gleixner9c2019422007-10-11 11:16:21 +0200120 arch/x86/crypto/
Thomas Gleixnerda957e12007-10-11 11:16:31 +0200121drivers-$(CONFIG_MATH_EMULATION) += arch/x86/math-emu/
Thomas Gleixnerfb9aa6f2007-10-11 11:16:36 +0200122drivers-$(CONFIG_PCI) += arch/x86/pci/
Linus Torvalds1da177e2005-04-16 15:20:36 -0700123# must be linked after kernel/
Thomas Gleixnerff439562007-10-11 11:16:55 +0200124drivers-$(CONFIG_OPROFILE) += arch/x86/oprofile/
Thomas Gleixner4b60eb82007-10-11 11:16:34 +0200125drivers-$(CONFIG_PM) += arch/x86/power/
Thomas Gleixner4ac24f62007-10-11 11:16:56 +0200126drivers-$(CONFIG_FB) += arch/x86/video/
Linus Torvalds1da177e2005-04-16 15:20:36 -0700127
Sam Ravnborga0f97e02007-10-14 22:21:35 +0200128KBUILD_CFLAGS += $(mflags-y)
Sam Ravnborg222d3942007-10-15 21:59:31 +0200129KBUILD_AFLAGS += $(mflags-y)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700130
Thomas Gleixner96ae6ea2007-10-11 11:16:45 +0200131boot := arch/x86/boot
Linus Torvalds1da177e2005-04-16 15:20:36 -0700132
Paul Smith4f193362006-03-05 17:14:10 -0500133PHONY += zImage bzImage compressed zlilo bzlilo \
H. Peter Anvin841b8a42006-03-26 01:36:59 -0800134 zdisk bzdisk fdimage fdimage144 fdimage288 isoimage install
Linus Torvalds1da177e2005-04-16 15:20:36 -0700135
136all: bzImage
137
138# KBUILD_IMAGE specify target image being built
139 KBUILD_IMAGE := $(boot)/bzImage
Thomas Gleixner96ae6ea2007-10-11 11:16:45 +0200140zImage zlilo zdisk: KBUILD_IMAGE := arch/x86/boot/zImage
Linus Torvalds1da177e2005-04-16 15:20:36 -0700141
142zImage bzImage: vmlinux
143 $(Q)$(MAKE) $(build)=$(boot) $(KBUILD_IMAGE)
Sam Ravnborg3ceba782007-10-19 20:35:02 +0200144 $(Q)mkdir -p $(objtree)/arch/i386/boot
145 $(Q)ln -fsn ../../x86/boot/bzImage $(objtree)/arch/i386/boot/bzImage
Linus Torvalds1da177e2005-04-16 15:20:36 -0700146
147compressed: zImage
148
149zlilo bzlilo: vmlinux
150 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zlilo
151
152zdisk bzdisk: vmlinux
153 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zdisk
154
H. Peter Anvin841b8a42006-03-26 01:36:59 -0800155fdimage fdimage144 fdimage288 isoimage: vmlinux
Linus Torvalds1da177e2005-04-16 15:20:36 -0700156 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) $@
157
H. Peter Anvin0d20bab2006-01-07 17:38:39 -0800158install:
Sam Ravnborg2cacb3d2005-04-30 16:51:42 -0700159 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) install
Linus Torvalds1da177e2005-04-16 15:20:36 -0700160
Linus Torvalds1da177e2005-04-16 15:20:36 -0700161archclean:
Thomas Gleixner96ae6ea2007-10-11 11:16:45 +0200162 $(Q)rm -rf $(objtree)/arch/i386/boot
163 $(Q)$(MAKE) $(clean)=arch/x86/boot
Linus Torvalds1da177e2005-04-16 15:20:36 -0700164
165define archhelp
166 echo '* bzImage - Compressed kernel image (arch/$(ARCH)/boot/bzImage)'
167 echo ' install - Install kernel using'
168 echo ' (your) ~/bin/installkernel or'
169 echo ' (distribution) /sbin/installkernel or'
170 echo ' install to $$(INSTALL_PATH) and run lilo'
171 echo ' bzdisk - Create a boot floppy in /dev/fd0'
172 echo ' fdimage - Create a boot floppy image'
H. Peter Anvin841b8a42006-03-26 01:36:59 -0800173 echo ' isoimage - Create a boot CD-ROM image'
Linus Torvalds1da177e2005-04-16 15:20:36 -0700174endef
175
H. Peter Anvin841b8a42006-03-26 01:36:59 -0800176CLEAN_FILES += arch/$(ARCH)/boot/fdimage \
177 arch/$(ARCH)/boot/image.iso \
178 arch/$(ARCH)/boot/mtools.conf