tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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# 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 zImage bzImage
30subdir- := compressed
31
32hostprogs-y := tools/build
33
34HOSTCFLAGS_build.o := $(LINUXINCLUDE)
35
36# ---------------------------------------------------------------------------
37
38$(obj)/zImage: IMAGE_OFFSET := 0x1000
39$(obj)/zImage: EXTRA_AFLAGS := -traditional $(SVGA_MODE) $(RAMDISK)
40$(obj)/bzImage: IMAGE_OFFSET := 0x100000
41$(obj)/bzImage: EXTRA_AFLAGS := -traditional $(SVGA_MODE) $(RAMDISK) -D__BIG_KERNEL__
42$(obj)/bzImage: BUILDFLAGS := -b
43
44quiet_cmd_image = BUILD $@
45cmd_image = $(obj)/tools/build $(BUILDFLAGS) $(obj)/bootsect $(obj)/setup \
46 $(obj)/vmlinux.bin $(ROOT_DEV) > $@
47
48$(obj)/zImage $(obj)/bzImage: $(obj)/bootsect $(obj)/setup \
49 $(obj)/vmlinux.bin $(obj)/tools/build FORCE
50 $(call if_changed,image)
51 @echo 'Kernel: $@ is ready' ' (#'`cat .version`')'
52
53$(obj)/vmlinux.bin: $(obj)/compressed/vmlinux FORCE
54 $(call if_changed,objcopy)
55
56LDFLAGS_bootsect := -Ttext 0x0 -s --oformat binary
57LDFLAGS_setup := -Ttext 0x0 -s --oformat binary -e begtext
58
59$(obj)/setup $(obj)/bootsect: %: %.o FORCE
60 $(call if_changed,ld)
61
62$(obj)/compressed/vmlinux: FORCE
63 $(Q)$(MAKE) $(build)=$(obj)/compressed IMAGE_OFFSET=$(IMAGE_OFFSET) $@
64
65# Set this if you want to pass append arguments to the zdisk/fdimage kernel
66FDARGS =
67
68$(obj)/mtools.conf: $(src)/mtools.conf.in
69 sed -e 's|@OBJ@|$(obj)|g' < $< > $@
70
71# This requires write access to /dev/fd0
72zdisk: $(BOOTIMAGE) $(obj)/mtools.conf
73 MTOOLSRC=$(obj)/mtools.conf mformat a: ; sync
74 syslinux /dev/fd0 ; sync
75 echo 'default linux $(FDARGS)' | \
76 MTOOLSRC=$(src)/mtools.conf mcopy - a:syslinux.cfg
77 MTOOLSRC=$(obj)/mtools.conf mcopy $(BOOTIMAGE) a:linux ; sync
78
79# These require being root or having syslinux 2.02 or higher installed
80fdimage fdimage144: $(BOOTIMAGE) $(obj)/mtools.conf
81 dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=1440
82 MTOOLSRC=$(obj)/mtools.conf mformat v: ; sync
83 syslinux $(obj)/fdimage ; sync
84 echo 'default linux $(FDARGS)' | \
85 MTOOLSRC=$(obj)/mtools.conf mcopy - v:syslinux.cfg
86 MTOOLSRC=$(obj)/mtools.conf mcopy $(BOOTIMAGE) v:linux ; sync
87
88fdimage288: $(BOOTIMAGE) $(obj)/mtools.conf
89 dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=2880
90 MTOOLSRC=$(obj)/mtools.conf mformat w: ; sync
91 syslinux $(obj)/fdimage ; sync
92 echo 'default linux $(FDARGS)' | \
93 MTOOLSRC=$(obj)/mtools.conf mcopy - w:syslinux.cfg
94 MTOOLSRC=$(obj)/mtools.conf mcopy $(BOOTIMAGE) w:linux ; sync
95
96zlilo: $(BOOTIMAGE)
97 if [ -f $(INSTALL_PATH)/vmlinuz ]; then mv $(INSTALL_PATH)/vmlinuz $(INSTALL_PATH)/vmlinuz.old; fi
98 if [ -f $(INSTALL_PATH)/System.map ]; then mv $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi
99 cat $(BOOTIMAGE) > $(INSTALL_PATH)/vmlinuz
100 cp System.map $(INSTALL_PATH)/
101 if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi
102
103install: $(BOOTIMAGE)
104 sh $(srctree)/$(src)/install.sh $(KERNELRELEASE) $< System.map "$(INSTALL_PATH)"