[linux.git] / arch / x86 / boot / Makefile

#
# arch/x86/boot/Makefile
#
# 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
# Changed by many, many contributors over the years.
#

# If you want to preset the SVGA mode, uncomment the next line and
# set SVGA_MODE to whatever number you want.
# Set it to -DSVGA_MODE=NORMAL_VGA if you just want the EGA/VGA mode.
# The number is the same as you would ordinarily press at bootup.

SVGA_MODE	:= -DSVGA_MODE=NORMAL_VGA

targets		:= vmlinux.bin setup.bin setup.elf bzImage
targets		+= fdimage fdimage144 fdimage288 image.iso mtools.conf
subdir-		:= compressed

setup-y		+= a20.o bioscall.o cmdline.o copy.o cpu.o cpucheck.o
setup-y		+= early_serial_console.o edd.o header.o main.o mca.o memory.o
setup-y		+= pm.o pmjump.o printf.o regs.o string.o tty.o video.o
setup-y		+= video-mode.o version.o
setup-$(CONFIG_X86_APM_BOOT) += apm.o

# The link order of the video-*.o modules can matter.  In particular,
# video-vga.o *must* be listed first, followed by video-vesa.o.
# Hardware-specific drivers should follow in the order they should be
# probed, and video-bios.o should typically be last.
setup-y		+= video-vga.o
setup-y		+= video-vesa.o
setup-y		+= video-bios.o

targets		+= $(setup-y)
hostprogs-y	:= mkcpustr tools/build

HOST_EXTRACFLAGS += -I$(srctree)/tools/include \
		    -include include/generated/autoconf.h \
	            -D__EXPORTED_HEADERS__

$(obj)/cpu.o: $(obj)/cpustr.h

quiet_cmd_cpustr = CPUSTR  $@
      cmd_cpustr = $(obj)/mkcpustr > $@
targets		+= cpustr.h
$(obj)/cpustr.h: $(obj)/mkcpustr FORCE
	$(call if_changed,cpustr)

# ---------------------------------------------------------------------------

# How to compile the 16-bit code.  Note we always compile for -march=i386,
# that way we can complain to the user if the CPU is insufficient.
KBUILD_CFLAGS	:= $(USERINCLUDE) -g -Os -D_SETUP -D__KERNEL__ \
		   -DDISABLE_BRANCH_PROFILING \
		   -Wall -Wstrict-prototypes \
		   -march=i386 -mregparm=3 \
		   -include $(srctree)/$(src)/code16gcc.h \
		   -fno-strict-aliasing -fomit-frame-pointer -fno-pic \
		   $(call cc-option, -ffreestanding) \
		   $(call cc-option, -fno-toplevel-reorder,\
			$(call cc-option, -fno-unit-at-a-time)) \
		   $(call cc-option, -fno-stack-protector) \
		   $(call cc-option, -mpreferred-stack-boundary=2)
KBUILD_CFLAGS	+= $(call cc-option, -m32)
KBUILD_AFLAGS	:= $(KBUILD_CFLAGS) -D__ASSEMBLY__
GCOV_PROFILE := n

$(obj)/bzImage: asflags-y  := $(SVGA_MODE)

quiet_cmd_image = BUILD   $@
cmd_image = $(obj)/tools/build $(obj)/setup.bin $(obj)/vmlinux.bin > $@

$(obj)/bzImage: $(obj)/setup.bin $(obj)/vmlinux.bin $(obj)/tools/build FORCE
	$(call if_changed,image)
	@echo 'Kernel: $@ is ready' ' (#'`cat .version`')'

OBJCOPYFLAGS_vmlinux.bin := -O binary -R .note -R .comment -S
$(obj)/vmlinux.bin: $(obj)/compressed/vmlinux FORCE
	$(call if_changed,objcopy)

SETUP_OBJS = $(addprefix $(obj)/,$(setup-y))

sed-voffset := -e 's/^\([0-9a-fA-F]*\) . \(_text\|_end\)$$/\#define VO_\2 0x\1/p'

quiet_cmd_voffset = VOFFSET $@
      cmd_voffset = $(NM) $< | sed -n $(sed-voffset) > $@

targets += voffset.h
$(obj)/voffset.h: vmlinux FORCE
	$(call if_changed,voffset)

sed-zoffset := -e 's/^\([0-9a-fA-F]*\) . \(startup_32\|input_data\|_end\|z_.*\)$$/\#define ZO_\2 0x\1/p'

quiet_cmd_zoffset = ZOFFSET $@
      cmd_zoffset = $(NM) $< | sed -n $(sed-zoffset) > $@

targets += zoffset.h
$(obj)/zoffset.h: $(obj)/compressed/vmlinux FORCE
	$(call if_changed,zoffset)


AFLAGS_header.o += -I$(obj)
$(obj)/header.o: $(obj)/voffset.h $(obj)/zoffset.h

LDFLAGS_setup.elf	:= -T
$(obj)/setup.elf: $(src)/setup.ld $(SETUP_OBJS) FORCE
	$(call if_changed,ld)

OBJCOPYFLAGS_setup.bin	:= -O binary
$(obj)/setup.bin: $(obj)/setup.elf FORCE
	$(call if_changed,objcopy)

$(obj)/compressed/vmlinux: FORCE
	$(Q)$(MAKE) $(build)=$(obj)/compressed $@

# Set this if you want to pass append arguments to the
# bzdisk/fdimage/isoimage kernel
FDARGS =
# Set this if you want an initrd included with the
# bzdisk/fdimage/isoimage kernel
FDINITRD =

image_cmdline = default linux $(FDARGS) $(if $(FDINITRD),initrd=initrd.img,)

$(obj)/mtools.conf: $(src)/mtools.conf.in
	sed -e 's|@OBJ@|$(obj)|g' < $< > $@

# This requires write access to /dev/fd0
bzdisk: $(obj)/bzImage $(obj)/mtools.conf
	MTOOLSRC=$(obj)/mtools.conf mformat a:			; sync
	syslinux /dev/fd0					; sync
	echo '$(image_cmdline)' | \
		MTOOLSRC=$(src)/mtools.conf mcopy - a:syslinux.cfg
	if [ -f '$(FDINITRD)' ] ; then \
		MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' a:initrd.img ; \
	fi
	MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage a:linux	; sync

# These require being root or having syslinux 2.02 or higher installed
fdimage fdimage144: $(obj)/bzImage $(obj)/mtools.conf
	dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=1440
	MTOOLSRC=$(obj)/mtools.conf mformat v:			; sync
	syslinux $(obj)/fdimage					; sync
	echo '$(image_cmdline)' | \
		MTOOLSRC=$(obj)/mtools.conf mcopy - v:syslinux.cfg
	if [ -f '$(FDINITRD)' ] ; then \
		MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' v:initrd.img ; \
	fi
	MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage v:linux	; sync

fdimage288: $(obj)/bzImage $(obj)/mtools.conf
	dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=2880
	MTOOLSRC=$(obj)/mtools.conf mformat w:			; sync
	syslinux $(obj)/fdimage					; sync
	echo '$(image_cmdline)' | \
		MTOOLSRC=$(obj)/mtools.conf mcopy - w:syslinux.cfg
	if [ -f '$(FDINITRD)' ] ; then \
		MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' w:initrd.img ; \
	fi
	MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage w:linux	; sync

isoimage: $(obj)/bzImage
	-rm -rf $(obj)/isoimage
	mkdir $(obj)/isoimage
	for i in lib lib64 share end ; do \
		if [ -f /usr/$$i/syslinux/isolinux.bin ] ; then \
			cp /usr/$$i/syslinux/isolinux.bin $(obj)/isoimage ; \
			break ; \
		fi ; \
		if [ $$i = end ] ; then exit 1 ; fi ; \
	done
	cp $(obj)/bzImage $(obj)/isoimage/linux
	echo '$(image_cmdline)' > $(obj)/isoimage/isolinux.cfg
	if [ -f '$(FDINITRD)' ] ; then \
		cp '$(FDINITRD)' $(obj)/isoimage/initrd.img ; \
	fi
	mkisofs -J -r -o $(obj)/image.iso -b isolinux.bin -c boot.cat \
		-no-emul-boot -boot-load-size 4 -boot-info-table \
		$(obj)/isoimage
	isohybrid $(obj)/image.iso 2>/dev/null || true
	rm -rf $(obj)/isoimage

bzlilo: $(obj)/bzImage
	if [ -f $(INSTALL_PATH)/vmlinuz ]; then mv $(INSTALL_PATH)/vmlinuz $(INSTALL_PATH)/vmlinuz.old; fi
	if [ -f $(INSTALL_PATH)/System.map ]; then mv $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi
	cat $(obj)/bzImage > $(INSTALL_PATH)/vmlinuz
	cp System.map $(INSTALL_PATH)/
	if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi

install:
	sh $(srctree)/$(src)/install.sh $(KERNELRELEASE) $(obj)/bzImage \
		System.map "$(INSTALL_PATH)"
Commit	Line	Data
1da177e4	1	#
96ae6ea0	2	# arch/x86/boot/Makefile
1da177e4 LT	3	#
	4	# This file is subject to the terms and conditions of the GNU General Public
	5	# License. See the file "COPYING" in the main directory of this archive
	6	# for more details.
	7	#
	8	# Copyright (C) 1994 by Linus Torvalds
5e47c478	9	# Changed by many, many contributors over the years.
1da177e4 LT	10	#
1da177e4 LT	11
1da177e4 LT	12	# If you want to preset the SVGA mode, uncomment the next line and
	13	# set SVGA_MODE to whatever number you want.
	14	# Set it to -DSVGA_MODE=NORMAL_VGA if you just want the EGA/VGA mode.
	15	# The number is the same as you would ordinarily press at bootup.
	16
5e47c478	17	SVGA_MODE := -DSVGA_MODE=NORMAL_VGA
1da177e4	18
5e47c478	19	targets := vmlinux.bin setup.bin setup.elf bzImage
16a67919	20	targets += fdimage fdimage144 fdimage288 image.iso mtools.conf
f0be6c6a	21	subdir- := compressed
1da177e4	22
f4ed2877 YL	23	setup-y += a20.o bioscall.o cmdline.o copy.o cpu.o cpucheck.o
	24	setup-y += early_serial_console.o edd.o header.o main.o mca.o memory.o
	25	setup-y += pm.o pmjump.o printf.o regs.o string.o tty.o video.o
	26	setup-y += video-mode.o version.o
a6b68076	27	setup-$(CONFIG_X86_APM_BOOT) += apm.o
4fd06960 PA	28
	29	# The link order of the video-*.o modules can matter. In particular,
	30	# video-vga.o must be listed first, followed by video-vesa.o.
	31	# Hardware-specific drivers should follow in the order they should be
	32	# probed, and video-bios.o should typically be last.
	33	setup-y += video-vga.o
	34	setup-y += video-vesa.o
	35	setup-y += video-bios.o
30c82645	36
3fbc5416	37	targets += $(setup-y)
f0be6c6a	38	hostprogs-y := mkcpustr tools/build
1da177e4	39
b6eea87f MF	40	HOST_EXTRACFLAGS += -I$(srctree)/tools/include \
b6eea87f MF	41	-include include/generated/autoconf.h \
446e1c86 PA	42	-D__EXPORTED_HEADERS__
446e1c86 PA	43
f0be6c6a PA	44	$(obj)/cpu.o: $(obj)/cpustr.h
	45
	46	quiet_cmd_cpustr = CPUSTR $@
	47	cmd_cpustr = $(obj)/mkcpustr > $@
	48	targets += cpustr.h
	49	$(obj)/cpustr.h: $(obj)/mkcpustr FORCE
	50	$(call if_changed,cpustr)
1da177e4 LT	51
	52	# ---------------------------------------------------------------------------
	53
4fd06960 PA	54	# How to compile the 16-bit code. Note we always compile for -march=i386,
4fd06960 PA	55	# that way we can complain to the user if the CPU is insufficient.
abbf1590	56	KBUILD_CFLAGS := $(USERINCLUDE) -g -Os -D_SETUP -D__KERNEL__ \
95a38f34	57	-DDISABLE_BRANCH_PROFILING \
4fd06960 PA	58	-Wall -Wstrict-prototypes \
	59	-march=i386 -mregparm=3 \
	60	-include $(srctree)/$(src)/code16gcc.h \
484d90ee	61	-fno-strict-aliasing -fomit-frame-pointer -fno-pic \
4fd06960 PA	62	$(call cc-option, -ffreestanding) \
	63	$(call cc-option, -fno-toplevel-reorder,\
	64	$(call cc-option, -fno-unit-at-a-time)) \
	65	$(call cc-option, -fno-stack-protector) \
	66	$(call cc-option, -mpreferred-stack-boundary=2)
95a38f34	67	KBUILD_CFLAGS += $(call cc-option, -m32)
222d394d	68	KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__
7bf99fb6	69	GCOV_PROFILE := n
4fd06960	70
5e47c478	71	$(obj)/bzImage: asflags-y := $(SVGA_MODE)
1da177e4 LT	72
1da177e4 LT	73	quiet_cmd_image = BUILD $@
079f85e6	74	cmd_image = $(obj)/tools/build $(obj)/setup.bin $(obj)/vmlinux.bin > $@
1da177e4	75
5e47c478	76	$(obj)/bzImage: $(obj)/setup.bin $(obj)/vmlinux.bin $(obj)/tools/build FORCE
1da177e4	77	$(call if_changed,image)
2894801d	78	@echo 'Kernel: $@ is ready' ' (#'`cat .version`')'
1da177e4	79
1622ac23	80	OBJCOPYFLAGS_vmlinux.bin := -O binary -R .note -R .comment -S
1da177e4 LT	81	$(obj)/vmlinux.bin: $(obj)/compressed/vmlinux FORCE
	82	$(call if_changed,objcopy)
	83
4fd06960	84	SETUP_OBJS = $(addprefix $(obj)/,$(setup-y))
1da177e4	85
77d1a499	86	sed-voffset := -e 's/^\([0-9a-fA-F]*\) . \(_text\\|_end\)$$/\#define VO_\2 0x\1/p'
099e1377	87
77d1a499 PA	88	quiet_cmd_voffset = VOFFSET $@
77d1a499 PA	89	cmd_voffset = $(NM) $< \| sed -n $(sed-voffset) > $@
099e1377	90
77d1a499 PA	91	targets += voffset.h
	92	$(obj)/voffset.h: vmlinux FORCE
	93	$(call if_changed,voffset)
	94
c6ac4c18	95	sed-zoffset := -e 's/^\([0-9a-fA-F]\) . \(startup_32\\|input_data\\|_end\\|z_.\)$$/\#define ZO_\2 0x\1/p'
77d1a499 PA	96
	97	quiet_cmd_zoffset = ZOFFSET $@
	98	cmd_zoffset = $(NM) $< \| sed -n $(sed-zoffset) > $@
	99
	100	targets += zoffset.h
	101	$(obj)/zoffset.h: $(obj)/compressed/vmlinux FORCE
	102	$(call if_changed,zoffset)
099e1377	103
099e1377 IC	104
099e1377 IC	105	AFLAGS_header.o += -I$(obj)
77d1a499	106	$(obj)/header.o: $(obj)/voffset.h $(obj)/zoffset.h
099e1377	107
4fd06960 PA	108	LDFLAGS_setup.elf := -T
4fd06960 PA	109	$(obj)/setup.elf: $(src)/setup.ld $(SETUP_OBJS) FORCE
1da177e4 LT	110	$(call if_changed,ld)
1da177e4 LT	111
4fd06960	112	OBJCOPYFLAGS_setup.bin := -O binary
4fd06960 PA	113	$(obj)/setup.bin: $(obj)/setup.elf FORCE
	114	$(call if_changed,objcopy)
	115
1da177e4	116	$(obj)/compressed/vmlinux: FORCE
d960c9ce	117	$(Q)$(MAKE) $(build)=$(obj)/compressed $@
1da177e4	118
f9c5107c PA	119	# Set this if you want to pass append arguments to the
f9c5107c PA	120	# bzdisk/fdimage/isoimage kernel
f0be6c6a	121	FDARGS =
f9c5107c PA	122	# Set this if you want an initrd included with the
f9c5107c PA	123	# bzdisk/fdimage/isoimage kernel
841b8a46 PA	124	FDINITRD =
	125
	126	image_cmdline = default linux $(FDARGS) $(if $(FDINITRD),initrd=initrd.img,)
1da177e4 LT	127
	128	$(obj)/mtools.conf: $(src)/mtools.conf.in
	129	sed -e 's\|@OBJ@\|$(obj)\|g' < $< > $@
	130
	131	# This requires write access to /dev/fd0
f9c5107c	132	bzdisk: $(obj)/bzImage $(obj)/mtools.conf
1da177e4 LT	133	MTOOLSRC=$(obj)/mtools.conf mformat a: ; sync
1da177e4 LT	134	syslinux /dev/fd0 ; sync
841b8a46	135	echo '$(image_cmdline)' \| \
1da177e4	136	MTOOLSRC=$(src)/mtools.conf mcopy - a:syslinux.cfg
841b8a46 PA	137	if [ -f '$(FDINITRD)' ] ; then \
	138	MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' a:initrd.img ; \
	139	fi
f9c5107c	140	MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage a:linux ; sync
1da177e4 LT	141
1da177e4 LT	142	# These require being root or having syslinux 2.02 or higher installed
f9c5107c	143	fdimage fdimage144: $(obj)/bzImage $(obj)/mtools.conf
1da177e4 LT	144	dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=1440
	145	MTOOLSRC=$(obj)/mtools.conf mformat v: ; sync
	146	syslinux $(obj)/fdimage ; sync
841b8a46	147	echo '$(image_cmdline)' \| \
1da177e4	148	MTOOLSRC=$(obj)/mtools.conf mcopy - v:syslinux.cfg
841b8a46 PA	149	if [ -f '$(FDINITRD)' ] ; then \
	150	MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' v:initrd.img ; \
	151	fi
f9c5107c	152	MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage v:linux ; sync
1da177e4	153
f9c5107c	154	fdimage288: $(obj)/bzImage $(obj)/mtools.conf
1da177e4 LT	155	dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=2880
	156	MTOOLSRC=$(obj)/mtools.conf mformat w: ; sync
	157	syslinux $(obj)/fdimage ; sync
841b8a46	158	echo '$(image_cmdline)' \| \
1da177e4	159	MTOOLSRC=$(obj)/mtools.conf mcopy - w:syslinux.cfg
841b8a46 PA	160	if [ -f '$(FDINITRD)' ] ; then \
	161	MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' w:initrd.img ; \
	162	fi
f9c5107c	163	MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage w:linux ; sync
1da177e4	164
f9c5107c	165	isoimage: $(obj)/bzImage
841b8a46 PA	166	-rm -rf $(obj)/isoimage
841b8a46 PA	167	mkdir $(obj)/isoimage
bf660254 AK	168	for i in lib lib64 share end ; do \
	169	if [ -f /usr/$$i/syslinux/isolinux.bin ] ; then \
	170	cp /usr/$$i/syslinux/isolinux.bin $(obj)/isoimage ; \
	171	break ; \
	172	fi ; \
	173	if [ $$i = end ] ; then exit 1 ; fi ; \
	174	done
f9c5107c	175	cp $(obj)/bzImage $(obj)/isoimage/linux
841b8a46 PA	176	echo '$(image_cmdline)' > $(obj)/isoimage/isolinux.cfg
	177	if [ -f '$(FDINITRD)' ] ; then \
	178	cp '$(FDINITRD)' $(obj)/isoimage/initrd.img ; \
	179	fi
	180	mkisofs -J -r -o $(obj)/image.iso -b isolinux.bin -c boot.cat \
	181	-no-emul-boot -boot-load-size 4 -boot-info-table \
	182	$(obj)/isoimage
d2f37384	183	isohybrid $(obj)/image.iso 2>/dev/null \|\| true
841b8a46 PA	184	rm -rf $(obj)/isoimage
841b8a46 PA	185
f9c5107c	186	bzlilo: $(obj)/bzImage
1da177e4 LT	187	if [ -f $(INSTALL_PATH)/vmlinuz ]; then mv $(INSTALL_PATH)/vmlinuz $(INSTALL_PATH)/vmlinuz.old; fi
1da177e4 LT	188	if [ -f $(INSTALL_PATH)/System.map ]; then mv $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi
f9c5107c	189	cat $(obj)/bzImage > $(INSTALL_PATH)/vmlinuz
1da177e4 LT	190	cp System.map $(INSTALL_PATH)/
	191	if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi
	192
0d20babd	193	install:
f9c5107c PA	194	sh $(srctree)/$(src)/install.sh $(KERNELRELEASE) $(obj)/bzImage \
f9c5107c PA	195	System.map "$(INSTALL_PATH)"