Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1#
2# arch/x86_64/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# 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
28targets := vmlinux.bin bootsect bootsect.o \
29 setup setup.o bzImage mtools.conf
30
31EXTRA_CFLAGS := -m32
32
33hostprogs-y := tools/build
34HOST_EXTRACFLAGS += $(LINUXINCLUDE)
35subdir- := compressed/ #Let make clean descend in compressed/
36# ---------------------------------------------------------------------------
37
38$(obj)/bzImage: IMAGE_OFFSET := 0x100000
39$(obj)/bzImage: EXTRA_AFLAGS := -traditional $(SVGA_MODE) $(RAMDISK) -D__BIG_KERNEL__
40$(obj)/bzImage: BUILDFLAGS := -b
41
42quiet_cmd_image = BUILD $@
43cmd_image = $(obj)/tools/build $(BUILDFLAGS) $(obj)/bootsect $(obj)/setup \
44 $(obj)/vmlinux.bin $(ROOT_DEV) > $@
45
46$(obj)/bzImage: $(obj)/bootsect $(obj)/setup \
47 $(obj)/vmlinux.bin $(obj)/tools/build FORCE
48 $(call if_changed,image)
49 @echo 'Kernel: $@ is ready' ' (#'`cat .version`')'
50
51$(obj)/vmlinux.bin: $(obj)/compressed/vmlinux FORCE
52 $(call if_changed,objcopy)
53
54LDFLAGS_bootsect := -Ttext 0x0 -s --oformat binary
55LDFLAGS_setup := -Ttext 0x0 -s --oformat binary -e begtext
56
57$(obj)/setup $(obj)/bootsect: %: %.o FORCE
58 $(call if_changed,ld)
59
60$(obj)/compressed/vmlinux: FORCE
61 $(Q)$(MAKE) $(build)=$(obj)/compressed IMAGE_OFFSET=$(IMAGE_OFFSET) $@
62
63# Set this if you want to pass append arguments to the zdisk/fdimage/isoimage kernel
64FDARGS =
65# Set this if you want an initrd included with the zdisk/fdimage/isoimage kernel
66FDINITRD =
67
68image_cmdline = default linux $(FDARGS) $(if $(FDINITRD),initrd=initrd.img,)
69
70$(obj)/mtools.conf: $(src)/mtools.conf.in
71 sed -e 's|@OBJ@|$(obj)|g' < $< > $@
72
73# This requires write access to /dev/fd0
74zdisk: $(BOOTIMAGE) $(obj)/mtools.conf
75 MTOOLSRC=$(obj)/mtools.conf mformat a: ; sync
76 syslinux /dev/fd0 ; sync
77 echo '$(image_cmdline)' | \
78 MTOOLSRC=$(obj)/mtools.conf mcopy - a:syslinux.cfg
79 if [ -f '$(FDINITRD)' ] ; then \
80 MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' a:initrd.img ; \
81 fi
82 MTOOLSRC=$(obj)/mtools.conf mcopy $(BOOTIMAGE) a:linux ; sync
83
84# These require being root or having syslinux 2.02 or higher installed
85fdimage fdimage144: $(BOOTIMAGE) $(obj)/mtools.conf
86 dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=1440
87 MTOOLSRC=$(obj)/mtools.conf mformat v: ; sync
88 syslinux $(obj)/fdimage ; sync
89 echo '$(image_cmdline)' | \
90 MTOOLSRC=$(obj)/mtools.conf mcopy - v:syslinux.cfg
91 if [ -f '$(FDINITRD)' ] ; then \
92 MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' v:initrd.img ; \
93 fi
94 MTOOLSRC=$(obj)/mtools.conf mcopy $(BOOTIMAGE) v:linux ; sync
95
96fdimage288: $(BOOTIMAGE) $(obj)/mtools.conf
97 dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=2880
98 MTOOLSRC=$(obj)/mtools.conf mformat w: ; sync
99 syslinux $(obj)/fdimage ; sync
100 echo '$(image_cmdline)' | \
101 MTOOLSRC=$(obj)/mtools.conf mcopy - w:syslinux.cfg
102 if [ -f '$(FDINITRD)' ] ; then \
103 MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' w:initrd.img ; \
104 fi
105 MTOOLSRC=$(obj)/mtools.conf mcopy $(BOOTIMAGE) w:linux ; sync
106
107isoimage: $(BOOTIMAGE)
108 -rm -rf $(obj)/isoimage
109 mkdir $(obj)/isoimage
110 for i in lib lib64 share end ; do \
111 if [ -f /usr/$$i/syslinux/isolinux.bin ] ; then \
112 cp /usr/$$i/syslinux/isolinux.bin $(obj)/isoimage ; \
113 break ; \
114 fi ; \
115 if [ $$i = end ] ; then exit 1 ; fi ; \
116 done
117 cp $(BOOTIMAGE) $(obj)/isoimage/linux
118 echo '$(image_cmdline)' > $(obj)/isoimage/isolinux.cfg
119 if [ -f '$(FDINITRD)' ] ; then \
120 cp '$(FDINITRD)' $(obj)/isoimage/initrd.img ; \
121 fi
122 mkisofs -J -r -o $(obj)/image.iso -b isolinux.bin -c boot.cat \
123 -no-emul-boot -boot-load-size 4 -boot-info-table \
124 $(obj)/isoimage
125 rm -rf $(obj)/isoimage
126
127zlilo: $(BOOTIMAGE)
128 if [ -f $(INSTALL_PATH)/vmlinuz ]; then mv $(INSTALL_PATH)/vmlinuz $(INSTALL_PATH)/vmlinuz.old; fi
129 if [ -f $(INSTALL_PATH)/System.map ]; then mv $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi
130 cat $(BOOTIMAGE) > $(INSTALL_PATH)/vmlinuz
131 cp System.map $(INSTALL_PATH)/
132 if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi
133
134install:
135 sh $(srctree)/$(src)/install.sh $(KERNELRELEASE) $(BOOTIMAGE) System.map "$(INSTALL_PATH)"