diff options
Diffstat (limited to 'arch/x86/Makefile_32')
| -rw-r--r-- | arch/x86/Makefile_32 | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/arch/x86/Makefile_32 b/arch/x86/Makefile_32 new file mode 100644 index 000000000000..346ac0766875 --- /dev/null +++ b/arch/x86/Makefile_32 @@ -0,0 +1,175 @@ +# +# 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) $(clean)=arch/x86/boot + +define archhelp + echo '* bzImage - Compressed kernel image (arch/$(ARCH)/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/$(ARCH)/boot/fdimage \ + arch/$(ARCH)/boot/image.iso \ + arch/$(ARCH)/boot/mtools.conf |