| 1 |
3 |
xianfeng |
#
|
| 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
|
| 15 |
|
|
# Added '-march' and '-mpreferred-stack-boundary' support
|
| 16 |
|
|
#
|
| 17 |
|
|
# 20050320 Kianusch Sayah Karadji
|
| 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 |
|
|
# this works around some issues with generating unwind tables in older gccs
|
| 52 |
|
|
# newer gccs do it by default
|
| 53 |
|
|
cflags-y += -maccumulate-outgoing-args
|
| 54 |
|
|
|
| 55 |
|
|
# Disable unit-at-a-time mode on pre-gcc-4.0 compilers, it makes gcc use
|
| 56 |
|
|
# a lot more stack due to the lack of sharing of stacklots:
|
| 57 |
|
|
KBUILD_CFLAGS += $(shell if [ $(call cc-version) -lt 0400 ] ; then echo $(call cc-option,-fno-unit-at-a-time); fi ;)
|
| 58 |
|
|
|
| 59 |
|
|
# do binutils support CFI?
|
| 60 |
|
|
cflags-y += $(call as-instr,.cfi_startproc\n.cfi_rel_offset esp${comma}0\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
|
| 61 |
|
|
KBUILD_AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_rel_offset esp${comma}0\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
|
| 62 |
|
|
|
| 63 |
|
|
# is .cfi_signal_frame supported too?
|
| 64 |
|
|
cflags-y += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,)
|
| 65 |
|
|
KBUILD_AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,)
|
| 66 |
|
|
|
| 67 |
|
|
KBUILD_CFLAGS += $(cflags-y)
|
| 68 |
|
|
|
| 69 |
|
|
# Default subarch .c files
|
| 70 |
|
|
mcore-y := arch/x86/mach-default
|
| 71 |
|
|
|
| 72 |
|
|
# Voyager subarch support
|
| 73 |
|
|
mflags-$(CONFIG_X86_VOYAGER) := -Iinclude/asm-x86/mach-voyager
|
| 74 |
|
|
mcore-$(CONFIG_X86_VOYAGER) := arch/x86/mach-voyager
|
| 75 |
|
|
|
| 76 |
|
|
# VISWS subarch support
|
| 77 |
|
|
mflags-$(CONFIG_X86_VISWS) := -Iinclude/asm-x86/mach-visws
|
| 78 |
|
|
mcore-$(CONFIG_X86_VISWS) := arch/x86/mach-visws
|
| 79 |
|
|
|
| 80 |
|
|
# NUMAQ subarch support
|
| 81 |
|
|
mflags-$(CONFIG_X86_NUMAQ) := -Iinclude/asm-x86/mach-numaq
|
| 82 |
|
|
mcore-$(CONFIG_X86_NUMAQ) := arch/x86/mach-default
|
| 83 |
|
|
|
| 84 |
|
|
# BIGSMP subarch support
|
| 85 |
|
|
mflags-$(CONFIG_X86_BIGSMP) := -Iinclude/asm-x86/mach-bigsmp
|
| 86 |
|
|
mcore-$(CONFIG_X86_BIGSMP) := arch/x86/mach-default
|
| 87 |
|
|
|
| 88 |
|
|
#Summit subarch support
|
| 89 |
|
|
mflags-$(CONFIG_X86_SUMMIT) := -Iinclude/asm-x86/mach-summit
|
| 90 |
|
|
mcore-$(CONFIG_X86_SUMMIT) := arch/x86/mach-default
|
| 91 |
|
|
|
| 92 |
|
|
# generic subarchitecture
|
| 93 |
|
|
mflags-$(CONFIG_X86_GENERICARCH) := -Iinclude/asm-x86/mach-generic
|
| 94 |
|
|
mcore-$(CONFIG_X86_GENERICARCH) := arch/x86/mach-default
|
| 95 |
|
|
core-$(CONFIG_X86_GENERICARCH) += arch/x86/mach-generic/
|
| 96 |
|
|
|
| 97 |
|
|
# ES7000 subarch support
|
| 98 |
|
|
mflags-$(CONFIG_X86_ES7000) := -Iinclude/asm-x86/mach-es7000
|
| 99 |
|
|
mcore-$(CONFIG_X86_ES7000) := arch/x86/mach-default
|
| 100 |
|
|
core-$(CONFIG_X86_ES7000) := arch/x86/mach-es7000/
|
| 101 |
|
|
|
| 102 |
|
|
# Xen paravirtualization support
|
| 103 |
|
|
core-$(CONFIG_XEN) += arch/x86/xen/
|
| 104 |
|
|
|
| 105 |
|
|
# lguest paravirtualization support
|
| 106 |
|
|
core-$(CONFIG_LGUEST_GUEST) += arch/x86/lguest/
|
| 107 |
|
|
|
| 108 |
|
|
# default subarch .h files
|
| 109 |
|
|
mflags-y += -Iinclude/asm-x86/mach-default
|
| 110 |
|
|
|
| 111 |
|
|
head-y := arch/x86/kernel/head_32.o arch/x86/kernel/init_task.o
|
| 112 |
|
|
|
| 113 |
|
|
libs-y += arch/x86/lib/
|
| 114 |
|
|
core-y += arch/x86/kernel/ \
|
| 115 |
|
|
arch/x86/mm/ \
|
| 116 |
|
|
$(mcore-y)/ \
|
| 117 |
|
|
arch/x86/crypto/
|
| 118 |
|
|
drivers-$(CONFIG_MATH_EMULATION) += arch/x86/math-emu/
|
| 119 |
|
|
drivers-$(CONFIG_PCI) += arch/x86/pci/
|
| 120 |
|
|
# must be linked after kernel/
|
| 121 |
|
|
drivers-$(CONFIG_OPROFILE) += arch/x86/oprofile/
|
| 122 |
|
|
drivers-$(CONFIG_PM) += arch/x86/power/
|
| 123 |
|
|
drivers-$(CONFIG_FB) += arch/x86/video/
|
| 124 |
|
|
|
| 125 |
|
|
KBUILD_CFLAGS += $(mflags-y)
|
| 126 |
|
|
KBUILD_AFLAGS += $(mflags-y)
|
| 127 |
|
|
|
| 128 |
|
|
boot := arch/x86/boot
|
| 129 |
|
|
|
| 130 |
|
|
PHONY += zImage bzImage compressed zlilo bzlilo \
|
| 131 |
|
|
zdisk bzdisk fdimage fdimage144 fdimage288 isoimage install
|
| 132 |
|
|
|
| 133 |
|
|
all: bzImage
|
| 134 |
|
|
|
| 135 |
|
|
# KBUILD_IMAGE specify target image being built
|
| 136 |
|
|
KBUILD_IMAGE := $(boot)/bzImage
|
| 137 |
|
|
zImage zlilo zdisk: KBUILD_IMAGE := arch/x86/boot/zImage
|
| 138 |
|
|
|
| 139 |
|
|
zImage bzImage: vmlinux
|
| 140 |
|
|
$(Q)$(MAKE) $(build)=$(boot) $(KBUILD_IMAGE)
|
| 141 |
|
|
$(Q)mkdir -p $(objtree)/arch/i386/boot
|
| 142 |
|
|
$(Q)ln -fsn ../../x86/boot/bzImage $(objtree)/arch/i386/boot/bzImage
|
| 143 |
|
|
|
| 144 |
|
|
compressed: zImage
|
| 145 |
|
|
|
| 146 |
|
|
zlilo bzlilo: vmlinux
|
| 147 |
|
|
$(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zlilo
|
| 148 |
|
|
|
| 149 |
|
|
zdisk bzdisk: vmlinux
|
| 150 |
|
|
$(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zdisk
|
| 151 |
|
|
|
| 152 |
|
|
fdimage fdimage144 fdimage288 isoimage: vmlinux
|
| 153 |
|
|
$(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) $@
|
| 154 |
|
|
|
| 155 |
|
|
install:
|
| 156 |
|
|
$(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) install
|
| 157 |
|
|
|
| 158 |
|
|
archclean:
|
| 159 |
|
|
$(Q)rm -rf $(objtree)/arch/i386/boot
|
| 160 |
|
|
$(Q)$(MAKE) $(clean)=arch/x86/boot
|
| 161 |
|
|
|
| 162 |
|
|
define archhelp
|
| 163 |
|
|
echo '* bzImage - Compressed kernel image (arch/x86/boot/bzImage)'
|
| 164 |
|
|
echo ' install - Install kernel using'
|
| 165 |
|
|
echo ' (your) ~/bin/installkernel or'
|
| 166 |
|
|
echo ' (distribution) /sbin/installkernel or'
|
| 167 |
|
|
echo ' install to $$(INSTALL_PATH) and run lilo'
|
| 168 |
|
|
echo ' bzdisk - Create a boot floppy in /dev/fd0'
|
| 169 |
|
|
echo ' fdimage - Create a boot floppy image'
|
| 170 |
|
|
echo ' isoimage - Create a boot CD-ROM image'
|
| 171 |
|
|
endef
|
| 172 |
|
|
|
| 173 |
|
|
CLEAN_FILES += arch/x86/boot/fdimage \
|
| 174 |
|
|
arch/x86/boot/image.iso \
|
| 175 |
|
|
arch/x86/boot/mtools.conf
|
