]>
Commit | Line | Data |
---|---|---|
1da177e4 | 1 | # |
96ae6ea0 | 2 | # arch/x86/boot/Makefile |
1da177e4 LT |
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 | |
5e47c478 | 9 | # Changed by many, many contributors over the years. |
1da177e4 LT |
10 | # |
11 | ||
12 | # ROOT_DEV specifies the default root-device when making the image. | |
13 | # This can be either FLOPPY, CURRENT, /dev/xxxx or empty, in which case | |
14 | # the default of FLOPPY is used by 'build'. | |
15 | ||
5e47c478 | 16 | ROOT_DEV := CURRENT |
1da177e4 LT |
17 | |
18 | # If you want to preset the SVGA mode, uncomment the next line and | |
19 | # set SVGA_MODE to whatever number you want. | |
20 | # Set it to -DSVGA_MODE=NORMAL_VGA if you just want the EGA/VGA mode. | |
21 | # The number is the same as you would ordinarily press at bootup. | |
22 | ||
5e47c478 | 23 | SVGA_MODE := -DSVGA_MODE=NORMAL_VGA |
1da177e4 | 24 | |
5e47c478 | 25 | targets := vmlinux.bin setup.bin setup.elf bzImage |
16a67919 | 26 | targets += fdimage fdimage144 fdimage288 image.iso mtools.conf |
f0be6c6a | 27 | subdir- := compressed |
1da177e4 | 28 | |
a6b68076 | 29 | setup-y += a20.o cmdline.o copy.o cpu.o cpucheck.o edd.o |
4fd06960 | 30 | setup-y += header.o main.o mca.o memory.o pm.o pmjump.o |
e44b7b75 | 31 | setup-y += printf.o string.o tty.o video.o video-mode.o version.o |
a6b68076 | 32 | setup-$(CONFIG_X86_APM_BOOT) += apm.o |
4fd06960 PA |
33 | |
34 | # The link order of the video-*.o modules can matter. In particular, | |
35 | # video-vga.o *must* be listed first, followed by video-vesa.o. | |
36 | # Hardware-specific drivers should follow in the order they should be | |
37 | # probed, and video-bios.o should typically be last. | |
38 | setup-y += video-vga.o | |
39 | setup-y += video-vesa.o | |
40 | setup-y += video-bios.o | |
30c82645 | 41 | |
3fbc5416 | 42 | targets += $(setup-y) |
f0be6c6a | 43 | hostprogs-y := mkcpustr tools/build |
1da177e4 | 44 | |
f0be6c6a PA |
45 | HOST_EXTRACFLAGS += $(LINUXINCLUDE) |
46 | ||
47 | $(obj)/cpu.o: $(obj)/cpustr.h | |
48 | ||
49 | quiet_cmd_cpustr = CPUSTR $@ | |
50 | cmd_cpustr = $(obj)/mkcpustr > $@ | |
51 | targets += cpustr.h | |
52 | $(obj)/cpustr.h: $(obj)/mkcpustr FORCE | |
53 | $(call if_changed,cpustr) | |
1da177e4 LT |
54 | |
55 | # --------------------------------------------------------------------------- | |
56 | ||
4fd06960 PA |
57 | # How to compile the 16-bit code. Note we always compile for -march=i386, |
58 | # that way we can complain to the user if the CPU is insufficient. | |
a0f97e06 | 59 | KBUILD_CFLAGS := $(LINUXINCLUDE) -g -Os -D_SETUP -D__KERNEL__ \ |
4fd06960 PA |
60 | -Wall -Wstrict-prototypes \ |
61 | -march=i386 -mregparm=3 \ | |
62 | -include $(srctree)/$(src)/code16gcc.h \ | |
63 | -fno-strict-aliasing -fomit-frame-pointer \ | |
64 | $(call cc-option, -ffreestanding) \ | |
65 | $(call cc-option, -fno-toplevel-reorder,\ | |
66 | $(call cc-option, -fno-unit-at-a-time)) \ | |
67 | $(call cc-option, -fno-stack-protector) \ | |
68 | $(call cc-option, -mpreferred-stack-boundary=2) | |
4ba7e5cd | 69 | KBUILD_CFLAGS += $(call cc-option,-m32) |
222d394d | 70 | KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__ |
4fd06960 | 71 | |
5e47c478 | 72 | $(obj)/bzImage: asflags-y := $(SVGA_MODE) |
1da177e4 LT |
73 | |
74 | quiet_cmd_image = BUILD $@ | |
5e47c478 PA |
75 | cmd_image = $(obj)/tools/build $(obj)/setup.bin $(obj)/vmlinux.bin \ |
76 | $(ROOT_DEV) > $@ | |
1da177e4 | 77 | |
5e47c478 | 78 | $(obj)/bzImage: $(obj)/setup.bin $(obj)/vmlinux.bin $(obj)/tools/build FORCE |
1da177e4 | 79 | $(call if_changed,image) |
2894801d | 80 | @echo 'Kernel: $@ is ready' ' (#'`cat .version`')' |
1da177e4 | 81 | |
1622ac23 | 82 | OBJCOPYFLAGS_vmlinux.bin := -O binary -R .note -R .comment -S |
1da177e4 LT |
83 | $(obj)/vmlinux.bin: $(obj)/compressed/vmlinux FORCE |
84 | $(call if_changed,objcopy) | |
85 | ||
4fd06960 | 86 | SETUP_OBJS = $(addprefix $(obj)/,$(setup-y)) |
1da177e4 | 87 | |
099e1377 IC |
88 | sed-offsets := -e 's/^00*/0/' \ |
89 | -e 's/^\([0-9a-fA-F]*\) . \(input_data\|input_data_end\)$$/\#define \2 0x\1/p' | |
90 | ||
91 | quiet_cmd_offsets = OFFSETS $@ | |
92 | cmd_offsets = $(NM) $< | sed -n $(sed-offsets) > $@ | |
93 | ||
94 | $(obj)/offsets.h: $(obj)/compressed/vmlinux FORCE | |
95 | $(call if_changed,offsets) | |
96 | ||
97 | targets += offsets.h | |
98 | ||
99 | AFLAGS_header.o += -I$(obj) | |
100 | $(obj)/header.o: $(obj)/offsets.h | |
101 | ||
4fd06960 PA |
102 | LDFLAGS_setup.elf := -T |
103 | $(obj)/setup.elf: $(src)/setup.ld $(SETUP_OBJS) FORCE | |
1da177e4 LT |
104 | $(call if_changed,ld) |
105 | ||
4fd06960 | 106 | OBJCOPYFLAGS_setup.bin := -O binary |
4fd06960 PA |
107 | $(obj)/setup.bin: $(obj)/setup.elf FORCE |
108 | $(call if_changed,objcopy) | |
109 | ||
1da177e4 | 110 | $(obj)/compressed/vmlinux: FORCE |
d960c9ce | 111 | $(Q)$(MAKE) $(build)=$(obj)/compressed $@ |
1da177e4 | 112 | |
f9c5107c PA |
113 | # Set this if you want to pass append arguments to the |
114 | # bzdisk/fdimage/isoimage kernel | |
f0be6c6a | 115 | FDARGS = |
f9c5107c PA |
116 | # Set this if you want an initrd included with the |
117 | # bzdisk/fdimage/isoimage kernel | |
841b8a46 PA |
118 | FDINITRD = |
119 | ||
120 | image_cmdline = default linux $(FDARGS) $(if $(FDINITRD),initrd=initrd.img,) | |
1da177e4 LT |
121 | |
122 | $(obj)/mtools.conf: $(src)/mtools.conf.in | |
123 | sed -e 's|@OBJ@|$(obj)|g' < $< > $@ | |
124 | ||
125 | # This requires write access to /dev/fd0 | |
f9c5107c | 126 | bzdisk: $(obj)/bzImage $(obj)/mtools.conf |
1da177e4 LT |
127 | MTOOLSRC=$(obj)/mtools.conf mformat a: ; sync |
128 | syslinux /dev/fd0 ; sync | |
841b8a46 | 129 | echo '$(image_cmdline)' | \ |
1da177e4 | 130 | MTOOLSRC=$(src)/mtools.conf mcopy - a:syslinux.cfg |
841b8a46 PA |
131 | if [ -f '$(FDINITRD)' ] ; then \ |
132 | MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' a:initrd.img ; \ | |
133 | fi | |
f9c5107c | 134 | MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage a:linux ; sync |
1da177e4 LT |
135 | |
136 | # These require being root or having syslinux 2.02 or higher installed | |
f9c5107c | 137 | fdimage fdimage144: $(obj)/bzImage $(obj)/mtools.conf |
1da177e4 LT |
138 | dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=1440 |
139 | MTOOLSRC=$(obj)/mtools.conf mformat v: ; sync | |
140 | syslinux $(obj)/fdimage ; sync | |
841b8a46 | 141 | echo '$(image_cmdline)' | \ |
1da177e4 | 142 | MTOOLSRC=$(obj)/mtools.conf mcopy - v:syslinux.cfg |
841b8a46 PA |
143 | if [ -f '$(FDINITRD)' ] ; then \ |
144 | MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' v:initrd.img ; \ | |
145 | fi | |
f9c5107c | 146 | MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage v:linux ; sync |
1da177e4 | 147 | |
f9c5107c | 148 | fdimage288: $(obj)/bzImage $(obj)/mtools.conf |
1da177e4 LT |
149 | dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=2880 |
150 | MTOOLSRC=$(obj)/mtools.conf mformat w: ; sync | |
151 | syslinux $(obj)/fdimage ; sync | |
841b8a46 | 152 | echo '$(image_cmdline)' | \ |
1da177e4 | 153 | MTOOLSRC=$(obj)/mtools.conf mcopy - w:syslinux.cfg |
841b8a46 PA |
154 | if [ -f '$(FDINITRD)' ] ; then \ |
155 | MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' w:initrd.img ; \ | |
156 | fi | |
f9c5107c | 157 | MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage w:linux ; sync |
1da177e4 | 158 | |
f9c5107c | 159 | isoimage: $(obj)/bzImage |
841b8a46 PA |
160 | -rm -rf $(obj)/isoimage |
161 | mkdir $(obj)/isoimage | |
bf660254 AK |
162 | for i in lib lib64 share end ; do \ |
163 | if [ -f /usr/$$i/syslinux/isolinux.bin ] ; then \ | |
164 | cp /usr/$$i/syslinux/isolinux.bin $(obj)/isoimage ; \ | |
165 | break ; \ | |
166 | fi ; \ | |
167 | if [ $$i = end ] ; then exit 1 ; fi ; \ | |
168 | done | |
f9c5107c | 169 | cp $(obj)/bzImage $(obj)/isoimage/linux |
841b8a46 PA |
170 | echo '$(image_cmdline)' > $(obj)/isoimage/isolinux.cfg |
171 | if [ -f '$(FDINITRD)' ] ; then \ | |
172 | cp '$(FDINITRD)' $(obj)/isoimage/initrd.img ; \ | |
173 | fi | |
174 | mkisofs -J -r -o $(obj)/image.iso -b isolinux.bin -c boot.cat \ | |
175 | -no-emul-boot -boot-load-size 4 -boot-info-table \ | |
176 | $(obj)/isoimage | |
d2f37384 | 177 | isohybrid $(obj)/image.iso 2>/dev/null || true |
841b8a46 PA |
178 | rm -rf $(obj)/isoimage |
179 | ||
f9c5107c | 180 | bzlilo: $(obj)/bzImage |
1da177e4 LT |
181 | if [ -f $(INSTALL_PATH)/vmlinuz ]; then mv $(INSTALL_PATH)/vmlinuz $(INSTALL_PATH)/vmlinuz.old; fi |
182 | if [ -f $(INSTALL_PATH)/System.map ]; then mv $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi | |
f9c5107c | 183 | cat $(obj)/bzImage > $(INSTALL_PATH)/vmlinuz |
1da177e4 LT |
184 | cp System.map $(INSTALL_PATH)/ |
185 | if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi | |
186 | ||
0d20babd | 187 | install: |
f9c5107c PA |
188 | sh $(srctree)/$(src)/install.sh $(KERNELRELEASE) $(obj)/bzImage \ |
189 | System.map "$(INSTALL_PATH)" |