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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 | |
f4ed2877 YL |
29 | setup-y += a20.o bioscall.o cmdline.o copy.o cpu.o cpucheck.o |
30 | setup-y += early_serial_console.o edd.o header.o main.o mca.o memory.o | |
31 | setup-y += pm.o pmjump.o printf.o regs.o string.o tty.o video.o | |
32 | setup-y += video-mode.o version.o | |
a6b68076 | 33 | setup-$(CONFIG_X86_APM_BOOT) += apm.o |
4fd06960 PA |
34 | |
35 | # The link order of the video-*.o modules can matter. In particular, | |
36 | # video-vga.o *must* be listed first, followed by video-vesa.o. | |
37 | # Hardware-specific drivers should follow in the order they should be | |
38 | # probed, and video-bios.o should typically be last. | |
39 | setup-y += video-vga.o | |
40 | setup-y += video-vesa.o | |
41 | setup-y += video-bios.o | |
30c82645 | 42 | |
3fbc5416 | 43 | targets += $(setup-y) |
f0be6c6a | 44 | hostprogs-y := mkcpustr tools/build |
1da177e4 | 45 | |
f0be6c6a PA |
46 | HOST_EXTRACFLAGS += $(LINUXINCLUDE) |
47 | ||
48 | $(obj)/cpu.o: $(obj)/cpustr.h | |
49 | ||
50 | quiet_cmd_cpustr = CPUSTR $@ | |
51 | cmd_cpustr = $(obj)/mkcpustr > $@ | |
52 | targets += cpustr.h | |
53 | $(obj)/cpustr.h: $(obj)/mkcpustr FORCE | |
54 | $(call if_changed,cpustr) | |
1da177e4 LT |
55 | |
56 | # --------------------------------------------------------------------------- | |
57 | ||
4fd06960 PA |
58 | # How to compile the 16-bit code. Note we always compile for -march=i386, |
59 | # that way we can complain to the user if the CPU is insufficient. | |
a0f97e06 | 60 | KBUILD_CFLAGS := $(LINUXINCLUDE) -g -Os -D_SETUP -D__KERNEL__ \ |
95a38f34 | 61 | -DDISABLE_BRANCH_PROFILING \ |
4fd06960 PA |
62 | -Wall -Wstrict-prototypes \ |
63 | -march=i386 -mregparm=3 \ | |
64 | -include $(srctree)/$(src)/code16gcc.h \ | |
65 | -fno-strict-aliasing -fomit-frame-pointer \ | |
66 | $(call cc-option, -ffreestanding) \ | |
67 | $(call cc-option, -fno-toplevel-reorder,\ | |
68 | $(call cc-option, -fno-unit-at-a-time)) \ | |
69 | $(call cc-option, -fno-stack-protector) \ | |
70 | $(call cc-option, -mpreferred-stack-boundary=2) | |
95a38f34 | 71 | KBUILD_CFLAGS += $(call cc-option, -m32) |
222d394d | 72 | KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__ |
7bf99fb6 | 73 | GCOV_PROFILE := n |
4fd06960 | 74 | |
5e47c478 | 75 | $(obj)/bzImage: asflags-y := $(SVGA_MODE) |
1da177e4 LT |
76 | |
77 | quiet_cmd_image = BUILD $@ | |
5e47c478 PA |
78 | cmd_image = $(obj)/tools/build $(obj)/setup.bin $(obj)/vmlinux.bin \ |
79 | $(ROOT_DEV) > $@ | |
1da177e4 | 80 | |
5e47c478 | 81 | $(obj)/bzImage: $(obj)/setup.bin $(obj)/vmlinux.bin $(obj)/tools/build FORCE |
1da177e4 | 82 | $(call if_changed,image) |
2894801d | 83 | @echo 'Kernel: $@ is ready' ' (#'`cat .version`')' |
1da177e4 | 84 | |
1622ac23 | 85 | OBJCOPYFLAGS_vmlinux.bin := -O binary -R .note -R .comment -S |
1da177e4 LT |
86 | $(obj)/vmlinux.bin: $(obj)/compressed/vmlinux FORCE |
87 | $(call if_changed,objcopy) | |
88 | ||
4fd06960 | 89 | SETUP_OBJS = $(addprefix $(obj)/,$(setup-y)) |
1da177e4 | 90 | |
77d1a499 | 91 | sed-voffset := -e 's/^\([0-9a-fA-F]*\) . \(_text\|_end\)$$/\#define VO_\2 0x\1/p' |
099e1377 | 92 | |
77d1a499 PA |
93 | quiet_cmd_voffset = VOFFSET $@ |
94 | cmd_voffset = $(NM) $< | sed -n $(sed-voffset) > $@ | |
099e1377 | 95 | |
77d1a499 PA |
96 | targets += voffset.h |
97 | $(obj)/voffset.h: vmlinux FORCE | |
98 | $(call if_changed,voffset) | |
99 | ||
c6ac4c18 | 100 | sed-zoffset := -e 's/^\([0-9a-fA-F]*\) . \(startup_32\|input_data\|_end\|z_.*\)$$/\#define ZO_\2 0x\1/p' |
77d1a499 PA |
101 | |
102 | quiet_cmd_zoffset = ZOFFSET $@ | |
103 | cmd_zoffset = $(NM) $< | sed -n $(sed-zoffset) > $@ | |
104 | ||
105 | targets += zoffset.h | |
106 | $(obj)/zoffset.h: $(obj)/compressed/vmlinux FORCE | |
107 | $(call if_changed,zoffset) | |
099e1377 | 108 | |
099e1377 IC |
109 | |
110 | AFLAGS_header.o += -I$(obj) | |
77d1a499 | 111 | $(obj)/header.o: $(obj)/voffset.h $(obj)/zoffset.h |
099e1377 | 112 | |
4fd06960 PA |
113 | LDFLAGS_setup.elf := -T |
114 | $(obj)/setup.elf: $(src)/setup.ld $(SETUP_OBJS) FORCE | |
1da177e4 LT |
115 | $(call if_changed,ld) |
116 | ||
4fd06960 | 117 | OBJCOPYFLAGS_setup.bin := -O binary |
4fd06960 PA |
118 | $(obj)/setup.bin: $(obj)/setup.elf FORCE |
119 | $(call if_changed,objcopy) | |
120 | ||
1da177e4 | 121 | $(obj)/compressed/vmlinux: FORCE |
d960c9ce | 122 | $(Q)$(MAKE) $(build)=$(obj)/compressed $@ |
1da177e4 | 123 | |
f9c5107c PA |
124 | # Set this if you want to pass append arguments to the |
125 | # bzdisk/fdimage/isoimage kernel | |
f0be6c6a | 126 | FDARGS = |
f9c5107c PA |
127 | # Set this if you want an initrd included with the |
128 | # bzdisk/fdimage/isoimage kernel | |
841b8a46 PA |
129 | FDINITRD = |
130 | ||
131 | image_cmdline = default linux $(FDARGS) $(if $(FDINITRD),initrd=initrd.img,) | |
1da177e4 LT |
132 | |
133 | $(obj)/mtools.conf: $(src)/mtools.conf.in | |
134 | sed -e 's|@OBJ@|$(obj)|g' < $< > $@ | |
135 | ||
136 | # This requires write access to /dev/fd0 | |
f9c5107c | 137 | bzdisk: $(obj)/bzImage $(obj)/mtools.conf |
1da177e4 LT |
138 | MTOOLSRC=$(obj)/mtools.conf mformat a: ; sync |
139 | syslinux /dev/fd0 ; sync | |
841b8a46 | 140 | echo '$(image_cmdline)' | \ |
1da177e4 | 141 | MTOOLSRC=$(src)/mtools.conf mcopy - a:syslinux.cfg |
841b8a46 PA |
142 | if [ -f '$(FDINITRD)' ] ; then \ |
143 | MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' a:initrd.img ; \ | |
144 | fi | |
f9c5107c | 145 | MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage a:linux ; sync |
1da177e4 LT |
146 | |
147 | # These require being root or having syslinux 2.02 or higher installed | |
f9c5107c | 148 | fdimage fdimage144: $(obj)/bzImage $(obj)/mtools.conf |
1da177e4 LT |
149 | dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=1440 |
150 | MTOOLSRC=$(obj)/mtools.conf mformat v: ; sync | |
151 | syslinux $(obj)/fdimage ; sync | |
841b8a46 | 152 | echo '$(image_cmdline)' | \ |
1da177e4 | 153 | MTOOLSRC=$(obj)/mtools.conf mcopy - v:syslinux.cfg |
841b8a46 PA |
154 | if [ -f '$(FDINITRD)' ] ; then \ |
155 | MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' v:initrd.img ; \ | |
156 | fi | |
f9c5107c | 157 | MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage v:linux ; sync |
1da177e4 | 158 | |
f9c5107c | 159 | fdimage288: $(obj)/bzImage $(obj)/mtools.conf |
1da177e4 LT |
160 | dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=2880 |
161 | MTOOLSRC=$(obj)/mtools.conf mformat w: ; sync | |
162 | syslinux $(obj)/fdimage ; sync | |
841b8a46 | 163 | echo '$(image_cmdline)' | \ |
1da177e4 | 164 | MTOOLSRC=$(obj)/mtools.conf mcopy - w:syslinux.cfg |
841b8a46 PA |
165 | if [ -f '$(FDINITRD)' ] ; then \ |
166 | MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' w:initrd.img ; \ | |
167 | fi | |
f9c5107c | 168 | MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage w:linux ; sync |
1da177e4 | 169 | |
f9c5107c | 170 | isoimage: $(obj)/bzImage |
841b8a46 PA |
171 | -rm -rf $(obj)/isoimage |
172 | mkdir $(obj)/isoimage | |
bf660254 AK |
173 | for i in lib lib64 share end ; do \ |
174 | if [ -f /usr/$$i/syslinux/isolinux.bin ] ; then \ | |
175 | cp /usr/$$i/syslinux/isolinux.bin $(obj)/isoimage ; \ | |
176 | break ; \ | |
177 | fi ; \ | |
178 | if [ $$i = end ] ; then exit 1 ; fi ; \ | |
179 | done | |
f9c5107c | 180 | cp $(obj)/bzImage $(obj)/isoimage/linux |
841b8a46 PA |
181 | echo '$(image_cmdline)' > $(obj)/isoimage/isolinux.cfg |
182 | if [ -f '$(FDINITRD)' ] ; then \ | |
183 | cp '$(FDINITRD)' $(obj)/isoimage/initrd.img ; \ | |
184 | fi | |
185 | mkisofs -J -r -o $(obj)/image.iso -b isolinux.bin -c boot.cat \ | |
186 | -no-emul-boot -boot-load-size 4 -boot-info-table \ | |
187 | $(obj)/isoimage | |
d2f37384 | 188 | isohybrid $(obj)/image.iso 2>/dev/null || true |
841b8a46 PA |
189 | rm -rf $(obj)/isoimage |
190 | ||
f9c5107c | 191 | bzlilo: $(obj)/bzImage |
1da177e4 LT |
192 | if [ -f $(INSTALL_PATH)/vmlinuz ]; then mv $(INSTALL_PATH)/vmlinuz $(INSTALL_PATH)/vmlinuz.old; fi |
193 | if [ -f $(INSTALL_PATH)/System.map ]; then mv $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi | |
f9c5107c | 194 | cat $(obj)/bzImage > $(INSTALL_PATH)/vmlinuz |
1da177e4 LT |
195 | cp System.map $(INSTALL_PATH)/ |
196 | if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi | |
197 | ||
0d20babd | 198 | install: |
f9c5107c PA |
199 | sh $(srctree)/$(src)/install.sh $(KERNELRELEASE) $(obj)/bzImage \ |
200 | System.map "$(INSTALL_PATH)" |