d746d647f3
For x86 ARCH may say i386 or x86_64 and soon x86. Rely on CONFIG_X64_32 to select between 32/64 or just hardcode the value as appropriate. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com>
175 lines
5.8 KiB
Text
175 lines
5.8 KiB
Text
#
|
|
# i386 Makefile
|
|
#
|
|
# This file is included by the global makefile so that you can add your own
|
|
# architecture-specific flags and dependencies. Remember to do have actions
|
|
# for "archclean" cleaning up for this architecture.
|
|
#
|
|
# This file is subject to the terms and conditions of the GNU General Public
|
|
# License. See the file "COPYING" in the main directory of this archive
|
|
# for more details.
|
|
#
|
|
# Copyright (C) 1994 by Linus Torvalds
|
|
#
|
|
# 19990713 Artur Skawina <skawina@geocities.com>
|
|
# Added '-march' and '-mpreferred-stack-boundary' support
|
|
#
|
|
# 20050320 Kianusch Sayah Karadji <kianusch@sk-tech.net>
|
|
# Added support for GEODE CPU
|
|
|
|
# BITS is used as extension for files which are available in a 32 bit
|
|
# and a 64 bit version to simplify shared Makefiles.
|
|
# e.g.: obj-y += foo_$(BITS).o
|
|
BITS := 32
|
|
export BITS
|
|
|
|
HAS_BIARCH := $(call cc-option-yn, -m32)
|
|
ifeq ($(HAS_BIARCH),y)
|
|
AS := $(AS) --32
|
|
LD := $(LD) -m elf_i386
|
|
CC := $(CC) -m32
|
|
endif
|
|
|
|
LDFLAGS := -m elf_i386
|
|
OBJCOPYFLAGS := -O binary -R .note -R .comment -S
|
|
ifdef CONFIG_RELOCATABLE
|
|
LDFLAGS_vmlinux := --emit-relocs
|
|
endif
|
|
CHECKFLAGS += -D__i386__
|
|
|
|
KBUILD_CFLAGS += -pipe -msoft-float -mregparm=3 -freg-struct-return
|
|
|
|
# prevent gcc from keeping the stack 16 byte aligned
|
|
KBUILD_CFLAGS += $(call cc-option,-mpreferred-stack-boundary=2)
|
|
|
|
# CPU-specific tuning. Anything which can be shared with UML should go here.
|
|
include $(srctree)/arch/x86/Makefile_32.cpu
|
|
|
|
# temporary until string.h is fixed
|
|
cflags-y += -ffreestanding
|
|
|
|
# this works around some issues with generating unwind tables in older gccs
|
|
# newer gccs do it by default
|
|
cflags-y += -maccumulate-outgoing-args
|
|
|
|
# Disable unit-at-a-time mode on pre-gcc-4.0 compilers, it makes gcc use
|
|
# a lot more stack due to the lack of sharing of stacklots:
|
|
KBUILD_CFLAGS += $(shell if [ $(call cc-version) -lt 0400 ] ; then echo $(call cc-option,-fno-unit-at-a-time); fi ;)
|
|
|
|
# do binutils support CFI?
|
|
cflags-y += $(call as-instr,.cfi_startproc\n.cfi_rel_offset esp${comma}0\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
|
|
KBUILD_AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_rel_offset esp${comma}0\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
|
|
|
|
# is .cfi_signal_frame supported too?
|
|
cflags-y += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,)
|
|
KBUILD_AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,)
|
|
|
|
KBUILD_CFLAGS += $(cflags-y)
|
|
|
|
# Default subarch .c files
|
|
mcore-y := arch/x86/mach-default
|
|
|
|
# Voyager subarch support
|
|
mflags-$(CONFIG_X86_VOYAGER) := -Iinclude/asm-x86/mach-voyager
|
|
mcore-$(CONFIG_X86_VOYAGER) := arch/x86/mach-voyager
|
|
|
|
# VISWS subarch support
|
|
mflags-$(CONFIG_X86_VISWS) := -Iinclude/asm-x86/mach-visws
|
|
mcore-$(CONFIG_X86_VISWS) := arch/x86/mach-visws
|
|
|
|
# NUMAQ subarch support
|
|
mflags-$(CONFIG_X86_NUMAQ) := -Iinclude/asm-x86/mach-numaq
|
|
mcore-$(CONFIG_X86_NUMAQ) := arch/x86/mach-default
|
|
|
|
# BIGSMP subarch support
|
|
mflags-$(CONFIG_X86_BIGSMP) := -Iinclude/asm-x86/mach-bigsmp
|
|
mcore-$(CONFIG_X86_BIGSMP) := arch/x86/mach-default
|
|
|
|
#Summit subarch support
|
|
mflags-$(CONFIG_X86_SUMMIT) := -Iinclude/asm-x86/mach-summit
|
|
mcore-$(CONFIG_X86_SUMMIT) := arch/x86/mach-default
|
|
|
|
# generic subarchitecture
|
|
mflags-$(CONFIG_X86_GENERICARCH) := -Iinclude/asm-x86/mach-generic
|
|
mcore-$(CONFIG_X86_GENERICARCH) := arch/x86/mach-default
|
|
core-$(CONFIG_X86_GENERICARCH) += arch/x86/mach-generic/
|
|
|
|
# ES7000 subarch support
|
|
mflags-$(CONFIG_X86_ES7000) := -Iinclude/asm-x86/mach-es7000
|
|
mcore-$(CONFIG_X86_ES7000) := arch/x86/mach-default
|
|
core-$(CONFIG_X86_ES7000) := arch/x86/mach-es7000/
|
|
|
|
# Xen paravirtualization support
|
|
core-$(CONFIG_XEN) += arch/x86/xen/
|
|
|
|
# lguest paravirtualization support
|
|
core-$(CONFIG_LGUEST_GUEST) += arch/x86/lguest/
|
|
|
|
# default subarch .h files
|
|
mflags-y += -Iinclude/asm-x86/mach-default
|
|
|
|
head-y := arch/x86/kernel/head_32.o arch/x86/kernel/init_task.o
|
|
|
|
libs-y += arch/x86/lib/
|
|
core-y += arch/x86/kernel/ \
|
|
arch/x86/mm/ \
|
|
$(mcore-y)/ \
|
|
arch/x86/crypto/
|
|
drivers-$(CONFIG_MATH_EMULATION) += arch/x86/math-emu/
|
|
drivers-$(CONFIG_PCI) += arch/x86/pci/
|
|
# must be linked after kernel/
|
|
drivers-$(CONFIG_OPROFILE) += arch/x86/oprofile/
|
|
drivers-$(CONFIG_PM) += arch/x86/power/
|
|
drivers-$(CONFIG_FB) += arch/x86/video/
|
|
|
|
KBUILD_CFLAGS += $(mflags-y)
|
|
KBUILD_AFLAGS += $(mflags-y)
|
|
|
|
boot := arch/x86/boot
|
|
|
|
PHONY += zImage bzImage compressed zlilo bzlilo \
|
|
zdisk bzdisk fdimage fdimage144 fdimage288 isoimage install
|
|
|
|
all: bzImage
|
|
|
|
# KBUILD_IMAGE specify target image being built
|
|
KBUILD_IMAGE := $(boot)/bzImage
|
|
zImage zlilo zdisk: KBUILD_IMAGE := arch/x86/boot/zImage
|
|
|
|
zImage bzImage: vmlinux
|
|
$(Q)$(MAKE) $(build)=$(boot) $(KBUILD_IMAGE)
|
|
$(Q)mkdir -p $(objtree)/arch/i386/boot
|
|
$(Q)ln -fsn ../../x86/boot/bzImage $(objtree)/arch/i386/boot/bzImage
|
|
|
|
compressed: zImage
|
|
|
|
zlilo bzlilo: vmlinux
|
|
$(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zlilo
|
|
|
|
zdisk bzdisk: vmlinux
|
|
$(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zdisk
|
|
|
|
fdimage fdimage144 fdimage288 isoimage: vmlinux
|
|
$(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) $@
|
|
|
|
install:
|
|
$(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) install
|
|
|
|
archclean:
|
|
$(Q)rm -rf $(objtree)/arch/i386/boot
|
|
$(Q)$(MAKE) $(clean)=arch/x86/boot
|
|
|
|
define archhelp
|
|
echo '* bzImage - Compressed kernel image (arch/x86/boot/bzImage)'
|
|
echo ' install - Install kernel using'
|
|
echo ' (your) ~/bin/installkernel or'
|
|
echo ' (distribution) /sbin/installkernel or'
|
|
echo ' install to $$(INSTALL_PATH) and run lilo'
|
|
echo ' bzdisk - Create a boot floppy in /dev/fd0'
|
|
echo ' fdimage - Create a boot floppy image'
|
|
echo ' isoimage - Create a boot CD-ROM image'
|
|
endef
|
|
|
|
CLEAN_FILES += arch/x86/boot/fdimage \
|
|
arch/x86/boot/image.iso \
|
|
arch/x86/boot/mtools.conf
|