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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#
Thomas Gleixner96ae6ea2007-10-11 11:16:45 +02002# arch/x86/boot/Makefile
Linus Torvalds1da177e2005-04-16 15:20:36 -07003#
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
9#
10
11# ROOT_DEV specifies the default root-device when making the image.
12# This can be either FLOPPY, CURRENT, /dev/xxxx or empty, in which case
13# the default of FLOPPY is used by 'build'.
14
15ROOT_DEV := CURRENT
16
17# If you want to preset the SVGA mode, uncomment the next line and
18# set SVGA_MODE to whatever number you want.
19# Set it to -DSVGA_MODE=NORMAL_VGA if you just want the EGA/VGA mode.
20# The number is the same as you would ordinarily press at bootup.
21
22SVGA_MODE := -DSVGA_MODE=NORMAL_VGA
23
24# If you want the RAM disk device, define this to be the size in blocks.
25
26#RAMDISK := -DRAMDISK=512
27
H. Peter Anvin4fd06962007-07-11 12:18:56 -070028targets := vmlinux.bin setup.bin setup.elf zImage bzImage
Linus Torvalds1da177e2005-04-16 15:20:36 -070029subdir- := compressed
30
H. Peter Anvin4fd06962007-07-11 12:18:56 -070031setup-y += a20.o apm.o cmdline.o copy.o cpu.o cpucheck.o edd.o
32setup-y += header.o main.o mca.o memory.o pm.o pmjump.o
33setup-y += printf.o string.o tty.o video.o version.o voyager.o
34
35# The link order of the video-*.o modules can matter. In particular,
36# video-vga.o *must* be listed first, followed by video-vesa.o.
37# Hardware-specific drivers should follow in the order they should be
38# probed, and video-bios.o should typically be last.
39setup-y += video-vga.o
40setup-y += video-vesa.o
41setup-y += video-bios.o
Sam Ravnborg3fbc5412007-07-17 22:27:22 +020042targets += $(setup-y)
Linus Torvalds1da177e2005-04-16 15:20:36 -070043hostprogs-y := tools/build
44
45HOSTCFLAGS_build.o := $(LINUXINCLUDE)
46
47# ---------------------------------------------------------------------------
48
H. Peter Anvin4fd06962007-07-11 12:18:56 -070049# How to compile the 16-bit code. Note we always compile for -march=i386,
50# that way we can complain to the user if the CPU is insufficient.
51cflags-i386 :=
52cflags-x86_64 := -m32
53CFLAGS := $(LINUXINCLUDE) -g -Os -D_SETUP -D__KERNEL__ \
54 $(cflags-$(ARCH)) \
55 -Wall -Wstrict-prototypes \
56 -march=i386 -mregparm=3 \
57 -include $(srctree)/$(src)/code16gcc.h \
58 -fno-strict-aliasing -fomit-frame-pointer \
59 $(call cc-option, -ffreestanding) \
60 $(call cc-option, -fno-toplevel-reorder,\
61 $(call cc-option, -fno-unit-at-a-time)) \
62 $(call cc-option, -fno-stack-protector) \
63 $(call cc-option, -mpreferred-stack-boundary=2)
64AFLAGS := $(CFLAGS) -D__ASSEMBLY__
65
Linus Torvalds1da177e2005-04-16 15:20:36 -070066$(obj)/zImage: IMAGE_OFFSET := 0x1000
Andi Kleen484ad392007-05-02 19:27:20 +020067$(obj)/zImage: EXTRA_AFLAGS := $(SVGA_MODE) $(RAMDISK)
Linus Torvalds1da177e2005-04-16 15:20:36 -070068$(obj)/bzImage: IMAGE_OFFSET := 0x100000
H. Peter Anvin4fd06962007-07-11 12:18:56 -070069$(obj)/bzImage: EXTRA_CFLAGS := -D__BIG_KERNEL__
Andi Kleen484ad392007-05-02 19:27:20 +020070$(obj)/bzImage: EXTRA_AFLAGS := $(SVGA_MODE) $(RAMDISK) -D__BIG_KERNEL__
Linus Torvalds1da177e2005-04-16 15:20:36 -070071$(obj)/bzImage: BUILDFLAGS := -b
72
73quiet_cmd_image = BUILD $@
H. Peter Anvin4fd06962007-07-11 12:18:56 -070074cmd_image = $(obj)/tools/build $(BUILDFLAGS) $(obj)/setup.bin \
Linus Torvalds1da177e2005-04-16 15:20:36 -070075 $(obj)/vmlinux.bin $(ROOT_DEV) > $@
76
H. Peter Anvin4fd06962007-07-11 12:18:56 -070077$(obj)/zImage $(obj)/bzImage: $(obj)/setup.bin \
Linus Torvalds1da177e2005-04-16 15:20:36 -070078 $(obj)/vmlinux.bin $(obj)/tools/build FORCE
79 $(call if_changed,image)
Coywolf Qi Hunt28948012005-06-21 17:15:15 -070080 @echo 'Kernel: $@ is ready' ' (#'`cat .version`')'
Linus Torvalds1da177e2005-04-16 15:20:36 -070081
82$(obj)/vmlinux.bin: $(obj)/compressed/vmlinux FORCE
83 $(call if_changed,objcopy)
84
H. Peter Anvin4fd06962007-07-11 12:18:56 -070085SETUP_OBJS = $(addprefix $(obj)/,$(setup-y))
Linus Torvalds1da177e2005-04-16 15:20:36 -070086
H. Peter Anvin4fd06962007-07-11 12:18:56 -070087LDFLAGS_setup.elf := -T
88$(obj)/setup.elf: $(src)/setup.ld $(SETUP_OBJS) FORCE
Linus Torvalds1da177e2005-04-16 15:20:36 -070089 $(call if_changed,ld)
90
H. Peter Anvin4fd06962007-07-11 12:18:56 -070091OBJCOPYFLAGS_setup.bin := -O binary
92
93$(obj)/setup.bin: $(obj)/setup.elf FORCE
94 $(call if_changed,objcopy)
95
Linus Torvalds1da177e2005-04-16 15:20:36 -070096$(obj)/compressed/vmlinux: FORCE
97 $(Q)$(MAKE) $(build)=$(obj)/compressed IMAGE_OFFSET=$(IMAGE_OFFSET) $@
98
H. Peter Anvin841b8a42006-03-26 01:36:59 -080099# Set this if you want to pass append arguments to the zdisk/fdimage/isoimage kernel
Linus Torvalds1da177e2005-04-16 15:20:36 -0700100FDARGS =
H. Peter Anvin841b8a42006-03-26 01:36:59 -0800101# Set this if you want an initrd included with the zdisk/fdimage/isoimage kernel
102FDINITRD =
103
104image_cmdline = default linux $(FDARGS) $(if $(FDINITRD),initrd=initrd.img,)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700105
106$(obj)/mtools.conf: $(src)/mtools.conf.in
107 sed -e 's|@OBJ@|$(obj)|g' < $< > $@
108
109# This requires write access to /dev/fd0
110zdisk: $(BOOTIMAGE) $(obj)/mtools.conf
111 MTOOLSRC=$(obj)/mtools.conf mformat a: ; sync
112 syslinux /dev/fd0 ; sync
H. Peter Anvin841b8a42006-03-26 01:36:59 -0800113 echo '$(image_cmdline)' | \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700114 MTOOLSRC=$(src)/mtools.conf mcopy - a:syslinux.cfg
H. Peter Anvin841b8a42006-03-26 01:36:59 -0800115 if [ -f '$(FDINITRD)' ] ; then \
116 MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' a:initrd.img ; \
117 fi
Linus Torvalds1da177e2005-04-16 15:20:36 -0700118 MTOOLSRC=$(obj)/mtools.conf mcopy $(BOOTIMAGE) a:linux ; sync
119
120# These require being root or having syslinux 2.02 or higher installed
121fdimage fdimage144: $(BOOTIMAGE) $(obj)/mtools.conf
122 dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=1440
123 MTOOLSRC=$(obj)/mtools.conf mformat v: ; sync
124 syslinux $(obj)/fdimage ; sync
H. Peter Anvin841b8a42006-03-26 01:36:59 -0800125 echo '$(image_cmdline)' | \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700126 MTOOLSRC=$(obj)/mtools.conf mcopy - v:syslinux.cfg
H. Peter Anvin841b8a42006-03-26 01:36:59 -0800127 if [ -f '$(FDINITRD)' ] ; then \
128 MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' v:initrd.img ; \
129 fi
Linus Torvalds1da177e2005-04-16 15:20:36 -0700130 MTOOLSRC=$(obj)/mtools.conf mcopy $(BOOTIMAGE) v:linux ; sync
131
132fdimage288: $(BOOTIMAGE) $(obj)/mtools.conf
133 dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=2880
134 MTOOLSRC=$(obj)/mtools.conf mformat w: ; sync
135 syslinux $(obj)/fdimage ; sync
H. Peter Anvin841b8a42006-03-26 01:36:59 -0800136 echo '$(image_cmdline)' | \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700137 MTOOLSRC=$(obj)/mtools.conf mcopy - w:syslinux.cfg
H. Peter Anvin841b8a42006-03-26 01:36:59 -0800138 if [ -f '$(FDINITRD)' ] ; then \
139 MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' w:initrd.img ; \
140 fi
Linus Torvalds1da177e2005-04-16 15:20:36 -0700141 MTOOLSRC=$(obj)/mtools.conf mcopy $(BOOTIMAGE) w:linux ; sync
142
H. Peter Anvin841b8a42006-03-26 01:36:59 -0800143isoimage: $(BOOTIMAGE)
144 -rm -rf $(obj)/isoimage
145 mkdir $(obj)/isoimage
Andi Kleenbf660252006-06-26 13:58:41 +0200146 for i in lib lib64 share end ; do \
147 if [ -f /usr/$$i/syslinux/isolinux.bin ] ; then \
148 cp /usr/$$i/syslinux/isolinux.bin $(obj)/isoimage ; \
149 break ; \
150 fi ; \
151 if [ $$i = end ] ; then exit 1 ; fi ; \
152 done
H. Peter Anvin841b8a42006-03-26 01:36:59 -0800153 cp $(BOOTIMAGE) $(obj)/isoimage/linux
154 echo '$(image_cmdline)' > $(obj)/isoimage/isolinux.cfg
155 if [ -f '$(FDINITRD)' ] ; then \
156 cp '$(FDINITRD)' $(obj)/isoimage/initrd.img ; \
157 fi
158 mkisofs -J -r -o $(obj)/image.iso -b isolinux.bin -c boot.cat \
159 -no-emul-boot -boot-load-size 4 -boot-info-table \
160 $(obj)/isoimage
161 rm -rf $(obj)/isoimage
162
Linus Torvalds1da177e2005-04-16 15:20:36 -0700163zlilo: $(BOOTIMAGE)
164 if [ -f $(INSTALL_PATH)/vmlinuz ]; then mv $(INSTALL_PATH)/vmlinuz $(INSTALL_PATH)/vmlinuz.old; fi
165 if [ -f $(INSTALL_PATH)/System.map ]; then mv $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi
166 cat $(BOOTIMAGE) > $(INSTALL_PATH)/vmlinuz
167 cp System.map $(INSTALL_PATH)/
168 if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi
169
H. Peter Anvin0d20bab2006-01-07 17:38:39 -0800170install:
Linus Torvaldsd274ba22006-01-10 21:09:19 -0800171 sh $(srctree)/$(src)/install.sh $(KERNELRELEASE) $(BOOTIMAGE) System.map "$(INSTALL_PATH)"