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.
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
12 # Copyright (C) 1994 by Linus Torvalds
14 # 19990713 Artur Skawina <skawina@geocities.com>
15 # Added '-march' and '-mpreferred-stack-boundary' support
17 # 20050320 Kianusch Sayah Karadji <kianusch@sk-tech.net>
18 # Added support for GEODE CPU
20 HAS_BIARCH := $(call cc-option-yn, -m32)
21 ifeq ($(HAS_BIARCH),y)
23 LD := $(LD) -m elf_i386
27 LDFLAGS := -m elf_i386
28 OBJCOPYFLAGS := -O binary -R .note -R .comment -S
30 CHECKFLAGS += -D__i386__
32 CFLAGS += -pipe -msoft-float
34 # prevent gcc from keeping the stack 16 byte aligned
35 CFLAGS += $(call cc-option,-mpreferred-stack-boundary=2)
37 # CPU-specific tuning. Anything which can be shared with UML should go here.
38 include $(srctree)/arch/i386/Makefile.cpu
40 cflags-$(CONFIG_REGPARM) += -mregparm=3
42 # temporary until string.h is fixed
43 cflags-y += -ffreestanding
45 # 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:
47 CFLAGS += $(shell if [ $(call cc-version) -lt 0400 ] ; then echo $(call cc-option,-fno-unit-at-a-time); fi ;)
49 # do binutils support CFI?
50 cflags-y += $(call as-instr,.cfi_startproc\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
51 AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
55 # Default subarch .c files
56 mcore-y := mach-default
58 # Voyager subarch support
59 mflags-$(CONFIG_X86_VOYAGER) := -Iinclude/asm-i386/mach-voyager
60 mcore-$(CONFIG_X86_VOYAGER) := mach-voyager
62 # VISWS subarch support
63 mflags-$(CONFIG_X86_VISWS) := -Iinclude/asm-i386/mach-visws
64 mcore-$(CONFIG_X86_VISWS) := mach-visws
66 # NUMAQ subarch support
67 mflags-$(CONFIG_X86_NUMAQ) := -Iinclude/asm-i386/mach-numaq
68 mcore-$(CONFIG_X86_NUMAQ) := mach-default
70 # BIGSMP subarch support
71 mflags-$(CONFIG_X86_BIGSMP) := -Iinclude/asm-i386/mach-bigsmp
72 mcore-$(CONFIG_X86_BIGSMP) := mach-default
74 #Summit subarch support
75 mflags-$(CONFIG_X86_SUMMIT) := -Iinclude/asm-i386/mach-summit
76 mcore-$(CONFIG_X86_SUMMIT) := mach-default
78 # generic subarchitecture
79 mflags-$(CONFIG_X86_GENERICARCH) := -Iinclude/asm-i386/mach-generic
80 mcore-$(CONFIG_X86_GENERICARCH) := mach-default
81 core-$(CONFIG_X86_GENERICARCH) += arch/i386/mach-generic/
83 # ES7000 subarch support
84 mflags-$(CONFIG_X86_ES7000) := -Iinclude/asm-i386/mach-es7000
85 mcore-$(CONFIG_X86_ES7000) := mach-default
86 core-$(CONFIG_X86_ES7000) := arch/i386/mach-es7000/
88 # default subarch .h files
89 mflags-y += -Iinclude/asm-i386/mach-default
91 head-y := arch/i386/kernel/head.o arch/i386/kernel/init_task.o
93 libs-y += arch/i386/lib/
94 core-y += arch/i386/kernel/ \
96 arch/i386/$(mcore-y)/ \
98 drivers-$(CONFIG_MATH_EMULATION) += arch/i386/math-emu/
99 drivers-$(CONFIG_PCI) += arch/i386/pci/
100 # must be linked after kernel/
101 drivers-$(CONFIG_OPROFILE) += arch/i386/oprofile/
102 drivers-$(CONFIG_PM) += arch/i386/power/
104 CFLAGS += $(mflags-y)
105 AFLAGS += $(mflags-y)
107 boot := arch/i386/boot
109 PHONY += zImage bzImage compressed zlilo bzlilo \
110 zdisk bzdisk fdimage fdimage144 fdimage288 isoimage install
114 # KBUILD_IMAGE specify target image being built
115 KBUILD_IMAGE := $(boot)/bzImage
116 zImage zlilo zdisk: KBUILD_IMAGE := arch/i386/boot/zImage
118 zImage bzImage: vmlinux
119 $(Q)$(MAKE) $(build)=$(boot) $(KBUILD_IMAGE)
123 zlilo bzlilo: vmlinux
124 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zlilo
126 zdisk bzdisk: vmlinux
127 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zdisk
129 fdimage fdimage144 fdimage288 isoimage: vmlinux
130 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) $@
133 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) install
136 $(Q)$(MAKE) $(clean)=arch/i386/boot
139 echo '* bzImage - Compressed kernel image (arch/$(ARCH)/boot/bzImage)'
140 echo ' install - Install kernel using'
141 echo ' (your) ~/bin/installkernel or'
142 echo ' (distribution) /sbin/installkernel or'
143 echo ' install to $$(INSTALL_PATH) and run lilo'
144 echo ' bzdisk - Create a boot floppy in /dev/fd0'
145 echo ' fdimage - Create a boot floppy image'
146 echo ' isoimage - Create a boot CD-ROM image'
149 CLEAN_FILES += arch/$(ARCH)/boot/fdimage \
150 arch/$(ARCH)/boot/image.iso \
151 arch/$(ARCH)/boot/mtools.conf