1#
2# arch/i386/boot/Makefile
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
9#
10
11# ROOT_DEV specifies the default root-device when making the image.
12# the default of FLOPPY is used by 'build'.
13
14ROOT_DEV := CURRENT
15
16# If you want to preset the SVGA mode, uncomment the next line and
17# set SVGA_MODE to whatever number you want.
18# Set it to -DSVGA_MODE=NORMAL_VGA if you just want the EGA/VGA mode.
19# The number is the same as you would ordinarily press at bootup.
20
21SVGA_MODE := -DSVGA_MODE=NORMAL_VGA
22
23# If you want the RAM disk device, define this to be the size in blocks.
24
25#RAMDISK := -DRAMDISK=512
26
27targets		:= vmlinux.bin bootsect bootsect.o \
28		   setup setup.o zImage bzImage
29subdir- 	:= compressed
30
31hostprogs-y	:= tools/build
32
33HOSTCFLAGS_build.o := $(LINUXINCLUDE)
34
35# ---------------------------------------------------------------------------
36
37$(obj)/zImage:  IMAGE_OFFSET := 0x1000
38$(obj)/zImage:  EXTRA_AFLAGS := $(SVGA_MODE) $(RAMDISK)
39$(obj)/bzImage: IMAGE_OFFSET := 0x100000
40$(obj)/bzImage: EXTRA_AFLAGS := $(SVGA_MODE) $(RAMDISK) -D__BIG_KERNEL__
41$(obj)/bzImage: BUILDFLAGS   := -b
42
43quiet_cmd_image = BUILD   $@
44cmd_image = $(obj)/tools/build $(BUILDFLAGS) $(obj)/bootsect $(obj)/setup \
45	    $(obj)/vmlinux.bin $(ROOT_DEV) > $@
46
47$(obj)/zImage $(obj)/bzImage: $(obj)/bootsect $(obj)/setup \
48			      $(obj)/vmlinux.bin $(obj)/tools/build FORCE
49	$(call if_changed,image)
50	@echo 'Kernel: $@ is ready' ' (#'`cat .version`')'
51
52$(obj)/vmlinux.bin: $(obj)/compressed/vmlinux FORCE
53	$(call if_changed,objcopy)
54
55LDFLAGS_bootsect := -Ttext 0x0 -s --oformat binary
56LDFLAGS_setup	 := -Ttext 0x0 -s --oformat binary -e begtext
57
58$(obj)/setup $(obj)/bootsect: %: %.o FORCE
59	$(call if_changed,ld)
60
61$(obj)/compressed/vmlinux: FORCE
62	$(Q)$(MAKE) $(build)=$(obj)/compressed IMAGE_OFFSET=$(IMAGE_OFFSET) $@
63
64# Set this if you want to pass append arguments to the zdisk/fdimage/isoimage kernel
65FDARGS = 
66# Set this if you want an initrd included with the zdisk/fdimage/isoimage kernel
67FDINITRD =
68
69image_cmdline = default linux $(FDARGS) $(if $(FDINITRD),initrd=initrd.img,)
70
71$(obj)/mtools.conf: $(src)/mtools.conf.in
72	sed -e 's|@OBJ@|$(obj)|g' < $< > $@
73
74# This requires write access to /dev/fd0
75zdisk: $(BOOTIMAGE) $(obj)/mtools.conf
76	MTOOLSRC=$(obj)/mtools.conf mformat a:			; sync
77	syslinux /dev/fd0					; sync
78	echo '$(image_cmdline)' | \
79		MTOOLSRC=$(src)/mtools.conf mcopy - a:syslinux.cfg
80	if [ -f '$(FDINITRD)' ] ; then \
81		MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' a:initrd.img ; \
82	fi
83	MTOOLSRC=$(obj)/mtools.conf mcopy $(BOOTIMAGE) a:linux	; sync
84
85# These require being root or having syslinux 2.02 or higher installed
86fdimage fdimage144: $(BOOTIMAGE) $(obj)/mtools.conf
87	dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=1440
88	MTOOLSRC=$(obj)/mtools.conf mformat v:			; sync
89	syslinux $(obj)/fdimage					; sync
90	echo '$(image_cmdline)' | \
91		MTOOLSRC=$(obj)/mtools.conf mcopy - v:syslinux.cfg
92	if [ -f '$(FDINITRD)' ] ; then \
93		MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' v:initrd.img ; \
94	fi
95	MTOOLSRC=$(obj)/mtools.conf mcopy $(BOOTIMAGE) v:linux	; sync
96
97fdimage288: $(BOOTIMAGE) $(obj)/mtools.conf
98	dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=2880
99	MTOOLSRC=$(obj)/mtools.conf mformat w:			; sync
100	syslinux $(obj)/fdimage					; sync
101	echo '$(image_cmdline)' | \
102		MTOOLSRC=$(obj)/mtools.conf mcopy - w:syslinux.cfg
103	if [ -f '$(FDINITRD)' ] ; then \
104		MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' w:initrd.img ; \
105	fi
106	MTOOLSRC=$(obj)/mtools.conf mcopy $(BOOTIMAGE) w:linux	; sync
107
108isoimage: $(BOOTIMAGE)
109	-rm -rf $(obj)/isoimage
110	mkdir $(obj)/isoimage
111	for i in lib lib64 share end ; do \
112		if [ -f /usr/$$i/syslinux/isolinux.bin ] ; then \
113			cp /usr/$$i/syslinux/isolinux.bin $(obj)/isoimage ; \
114			break ; \
115		fi ; \
116		if [ $$i = end ] ; then exit 1 ; fi ; \
117	done
118	cp $(BOOTIMAGE) $(obj)/isoimage/linux
119	echo '$(image_cmdline)' > $(obj)/isoimage/isolinux.cfg
120	if [ -f '$(FDINITRD)' ] ; then \
121		cp '$(FDINITRD)' $(obj)/isoimage/initrd.img ; \
122	fi
123	mkisofs -J -r -o $(obj)/image.iso -b isolinux.bin -c boot.cat \
124		-no-emul-boot -boot-load-size 4 -boot-info-table \
125		$(obj)/isoimage
126	rm -rf $(obj)/isoimage
127
128zlilo: $(BOOTIMAGE)
129	if [ -f $(INSTALL_PATH)/vmlinuz ]; then mv $(INSTALL_PATH)/vmlinuz $(INSTALL_PATH)/vmlinuz.old; fi
130	if [ -f $(INSTALL_PATH)/System.map ]; then mv $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi
131	cat $(BOOTIMAGE) > $(INSTALL_PATH)/vmlinuz
132	cp System.map $(INSTALL_PATH)/
133	if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi
134
135install:
136	sh $(srctree)/$(src)/install.sh $(KERNELRELEASE) $(BOOTIMAGE) System.map "$(INSTALL_PATH)"
137