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 -fno-builtin-sprintf -fno-builtin-log2 -fno-builtin-puts
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 $(call cc-option,-fno-unit-at-a-time); fi ;)
51 cppflags-$(CONFIG_XEN) += \
52 -D__XEN_INTERFACE_VERSION__=$(CONFIG_XEN_INTERFACE_VERSION)
54 CPPFLAGS += $(cppflags-y)
56 # Default subarch .c files
57 mcore-y := mach-default
59 # Voyager subarch support
60 mflags-$(CONFIG_X86_VOYAGER) := -Iinclude/asm-i386/mach-voyager
61 mcore-$(CONFIG_X86_VOYAGER) := mach-voyager
63 # VISWS subarch support
64 mflags-$(CONFIG_X86_VISWS) := -Iinclude/asm-i386/mach-visws
65 mcore-$(CONFIG_X86_VISWS) := mach-visws
67 # NUMAQ subarch support
68 mflags-$(CONFIG_X86_NUMAQ) := -Iinclude/asm-i386/mach-numaq
69 mcore-$(CONFIG_X86_NUMAQ) := mach-default
71 # BIGSMP subarch support
72 mflags-$(CONFIG_X86_BIGSMP) := -Iinclude/asm-i386/mach-bigsmp
73 mcore-$(CONFIG_X86_BIGSMP) := mach-default
75 #Summit subarch support
76 mflags-$(CONFIG_X86_SUMMIT) := -Iinclude/asm-i386/mach-summit
77 mcore-$(CONFIG_X86_SUMMIT) := mach-default
80 mflags-$(CONFIG_X86_XEN) := -Iinclude/asm-i386/mach-xen
81 mcore-$(CONFIG_X86_XEN) := mach-xen
83 # generic subarchitecture
84 mflags-$(CONFIG_X86_GENERICARCH) := -Iinclude/asm-i386/mach-generic
85 mcore-$(CONFIG_X86_GENERICARCH) := mach-default
86 core-$(CONFIG_X86_GENERICARCH) += arch/i386/mach-generic/
88 # ES7000 subarch support
89 mflags-$(CONFIG_X86_ES7000) := -Iinclude/asm-i386/mach-es7000
90 mcore-$(CONFIG_X86_ES7000) := mach-default
91 core-$(CONFIG_X86_ES7000) := arch/i386/mach-es7000/
93 # default subarch .h files
94 mflags-y += -Iinclude/asm-i386/mach-default
96 head-y := arch/i386/kernel/head.o arch/i386/kernel/init_task.o
98 libs-y += arch/i386/lib/
99 core-y += arch/i386/kernel/ \
101 arch/i386/$(mcore-y)/ \
103 drivers-$(CONFIG_MATH_EMULATION) += arch/i386/math-emu/
104 drivers-$(CONFIG_PCI) += arch/i386/pci/
105 # must be linked after kernel/
106 drivers-$(CONFIG_OPROFILE) += arch/i386/oprofile/
107 drivers-$(CONFIG_PM) += arch/i386/power/
109 CFLAGS += $(mflags-y)
110 AFLAGS += $(mflags-y)
112 boot := arch/i386/boot
114 PHONY += zImage bzImage compressed zlilo bzlilo \
115 zdisk bzdisk fdimage fdimage144 fdimage288 isoimage install
118 CPPFLAGS := -Iinclude$(if $(KBUILD_SRC),2)/asm/mach-xen $(CPPFLAGS)
119 head-y := arch/i386/kernel/head-xen.o arch/i386/kernel/init_task-xen.o
120 boot := arch/i386/boot-xen
125 $(Q)$(MAKE) $(build)=$(boot) $@
128 $(Q)$(MAKE) $(build)=$(boot) XENGUEST=$(XENGUEST) $@
132 # KBUILD_IMAGE specify target image being built
133 KBUILD_IMAGE := $(boot)/bzImage
134 zImage zlilo zdisk: KBUILD_IMAGE := arch/i386/boot/zImage
136 zImage bzImage: vmlinux
137 $(Q)$(MAKE) $(build)=$(boot) $(KBUILD_IMAGE)
141 zlilo bzlilo: vmlinux
142 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zlilo
144 zdisk bzdisk: vmlinux
145 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zdisk
147 fdimage fdimage144 fdimage288 isoimage: vmlinux
148 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) $@
151 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) install
155 $(Q)$(MAKE) $(clean)=arch/i386/boot
158 echo '* bzImage - Compressed kernel image (arch/$(ARCH)/boot/bzImage)'
159 echo ' install - Install kernel using'
160 echo ' (your) ~/bin/installkernel or'
161 echo ' (distribution) /sbin/installkernel or'
162 echo ' install to $$(INSTALL_PATH) and run lilo'
163 echo ' bzdisk - Create a boot floppy in /dev/fd0'
164 echo ' fdimage - Create a boot floppy image'
165 echo ' isoimage - Create a boot CD-ROM image'
168 CLEAN_FILES += arch/$(ARCH)/boot/fdimage \
169 arch/$(ARCH)/boot/image.iso \
170 arch/$(ARCH)/boot/mtools.conf
171 CLEAN_FILES += vmlinuz vmlinux-stripped