2 # arch/i386/boot/Makefile
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
8 # Copyright (C) 1994 by Linus Torvalds
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'.
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.
22 SVGA_MODE := -DSVGA_MODE=NORMAL_VGA
24 # If you want the RAM disk device, define this to be the size in blocks.
26 #RAMDISK := -DRAMDISK=512
28 targets := vmlinux.bin bootsect bootsect.o \
29 setup setup.o zImage bzImage
32 hostprogs-y := tools/build
34 HOSTCFLAGS_build.o := $(LINUXINCLUDE)
36 # ---------------------------------------------------------------------------
38 $(obj)/zImage: IMAGE_OFFSET := 0x1000
39 $(obj)/zImage: EXTRA_AFLAGS := $(SVGA_MODE) $(RAMDISK)
40 $(obj)/bzImage: IMAGE_OFFSET := 0x100000
41 $(obj)/bzImage: EXTRA_AFLAGS := $(SVGA_MODE) $(RAMDISK) -D__BIG_KERNEL__
42 $(obj)/bzImage: BUILDFLAGS := -b
44 quiet_cmd_image = BUILD $@
45 cmd_image = $(obj)/tools/build $(BUILDFLAGS) $(obj)/bootsect $(obj)/setup \
46 $(obj)/vmlinux.bin $(ROOT_DEV) > $@
48 $(obj)/zImage $(obj)/bzImage: $(obj)/bootsect $(obj)/setup \
49 $(obj)/vmlinux.bin $(obj)/tools/build FORCE
50 $(call if_changed,image)
51 @echo 'Kernel: $@ is ready' ' (#'`cat .version`')'
53 $(obj)/vmlinux.bin: $(obj)/compressed/vmlinux FORCE
54 $(call if_changed,objcopy)
56 LDFLAGS_bootsect := -Ttext 0x0 -s --oformat binary
57 LDFLAGS_setup := -Ttext 0x0 -s --oformat binary -e begtext
59 $(obj)/setup $(obj)/bootsect: %: %.o FORCE
62 $(obj)/compressed/vmlinux: FORCE
63 $(Q)$(MAKE) $(build)=$(obj)/compressed IMAGE_OFFSET=$(IMAGE_OFFSET) $@
65 # Set this if you want to pass append arguments to the zdisk/fdimage/isoimage kernel
67 # Set this if you want an initrd included with the zdisk/fdimage/isoimage kernel
70 image_cmdline = default linux $(FDARGS) $(if $(FDINITRD),initrd=initrd.img,)
72 $(obj)/mtools.conf: $(src)/mtools.conf.in
73 sed -e 's|@OBJ@|$(obj)|g' < $< > $@
75 # This requires write access to /dev/fd0
76 zdisk: $(BOOTIMAGE) $(obj)/mtools.conf
77 MTOOLSRC=$(obj)/mtools.conf mformat a: ; sync
78 syslinux /dev/fd0 ; sync
79 echo '$(image_cmdline)' | \
80 MTOOLSRC=$(src)/mtools.conf mcopy - a:syslinux.cfg
81 if [ -f '$(FDINITRD)' ] ; then \
82 MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' a:initrd.img ; \
84 MTOOLSRC=$(obj)/mtools.conf mcopy $(BOOTIMAGE) a:linux ; sync
86 # These require being root or having syslinux 2.02 or higher installed
87 fdimage fdimage144: $(BOOTIMAGE) $(obj)/mtools.conf
88 dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=1440
89 MTOOLSRC=$(obj)/mtools.conf mformat v: ; sync
90 syslinux $(obj)/fdimage ; sync
91 echo '$(image_cmdline)' | \
92 MTOOLSRC=$(obj)/mtools.conf mcopy - v:syslinux.cfg
93 if [ -f '$(FDINITRD)' ] ; then \
94 MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' v:initrd.img ; \
96 MTOOLSRC=$(obj)/mtools.conf mcopy $(BOOTIMAGE) v:linux ; sync
98 fdimage288: $(BOOTIMAGE) $(obj)/mtools.conf
99 dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=2880
100 MTOOLSRC=$(obj)/mtools.conf mformat w: ; sync
101 syslinux $(obj)/fdimage ; sync
102 echo '$(image_cmdline)' | \
103 MTOOLSRC=$(obj)/mtools.conf mcopy - w:syslinux.cfg
104 if [ -f '$(FDINITRD)' ] ; then \
105 MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' w:initrd.img ; \
107 MTOOLSRC=$(obj)/mtools.conf mcopy $(BOOTIMAGE) w:linux ; sync
109 isoimage: $(BOOTIMAGE)
110 -rm -rf $(obj)/isoimage
111 mkdir $(obj)/isoimage
112 for i in lib lib64 share end ; do \
113 if [ -f /usr/$$i/syslinux/isolinux.bin ] ; then \
114 cp /usr/$$i/syslinux/isolinux.bin $(obj)/isoimage ; \
117 if [ $$i = end ] ; then exit 1 ; fi ; \
119 cp $(BOOTIMAGE) $(obj)/isoimage/linux
120 echo '$(image_cmdline)' > $(obj)/isoimage/isolinux.cfg
121 if [ -f '$(FDINITRD)' ] ; then \
122 cp '$(FDINITRD)' $(obj)/isoimage/initrd.img ; \
124 mkisofs -J -r -o $(obj)/image.iso -b isolinux.bin -c boot.cat \
125 -no-emul-boot -boot-load-size 4 -boot-info-table \
127 rm -rf $(obj)/isoimage
130 if [ -f $(INSTALL_PATH)/vmlinuz ]; then mv $(INSTALL_PATH)/vmlinuz $(INSTALL_PATH)/vmlinuz.old; fi
131 if [ -f $(INSTALL_PATH)/System.map ]; then mv $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi
132 cat $(BOOTIMAGE) > $(INSTALL_PATH)/vmlinuz
133 cp System.map $(INSTALL_PATH)/
134 if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi
137 sh $(srctree)/$(src)/install.sh $(KERNELRELEASE) $(BOOTIMAGE) System.map "$(INSTALL_PATH)"