Commit | Line | Data |
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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 | |
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__ \ |
95a38f34 | 60 | -DDISABLE_BRANCH_PROFILING \ |
4fd06960 PA |
61 | -Wall -Wstrict-prototypes \ |
62 | -march=i386 -mregparm=3 \ | |
63 | -include $(srctree)/$(src)/code16gcc.h \ | |
64 | -fno-strict-aliasing -fomit-frame-pointer \ | |
65 | $(call cc-option, -ffreestanding) \ | |
66 | $(call cc-option, -fno-toplevel-reorder,\ | |
67 | $(call cc-option, -fno-unit-at-a-time)) \ | |
68 | $(call cc-option, -fno-stack-protector) \ | |
69 | $(call cc-option, -mpreferred-stack-boundary=2) | |
95a38f34 | 70 | KBUILD_CFLAGS += $(call cc-option, -m32) |
222d394d | 71 | KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__ |
4fd06960 | 72 | |
5e47c478 | 73 | $(obj)/bzImage: asflags-y := $(SVGA_MODE) |
1da177e4 LT |
74 | |
75 | quiet_cmd_image = BUILD $@ | |
5e47c478 PA |
76 | cmd_image = $(obj)/tools/build $(obj)/setup.bin $(obj)/vmlinux.bin \ |
77 | $(ROOT_DEV) > $@ | |
1da177e4 | 78 | |
5e47c478 | 79 | $(obj)/bzImage: $(obj)/setup.bin $(obj)/vmlinux.bin $(obj)/tools/build FORCE |
1da177e4 | 80 | $(call if_changed,image) |
2894801d | 81 | @echo 'Kernel: $@ is ready' ' (#'`cat .version`')' |
1da177e4 | 82 | |
1622ac23 | 83 | OBJCOPYFLAGS_vmlinux.bin := -O binary -R .note -R .comment -S |
1da177e4 LT |
84 | $(obj)/vmlinux.bin: $(obj)/compressed/vmlinux FORCE |
85 | $(call if_changed,objcopy) | |
86 | ||
4fd06960 | 87 | SETUP_OBJS = $(addprefix $(obj)/,$(setup-y)) |
1da177e4 | 88 | |
099e1377 IC |
89 | sed-offsets := -e 's/^00*/0/' \ |
90 | -e 's/^\([0-9a-fA-F]*\) . \(input_data\|input_data_end\)$$/\#define \2 0x\1/p' | |
91 | ||
92 | quiet_cmd_offsets = OFFSETS $@ | |
93 | cmd_offsets = $(NM) $< | sed -n $(sed-offsets) > $@ | |
94 | ||
95 | $(obj)/offsets.h: $(obj)/compressed/vmlinux FORCE | |
96 | $(call if_changed,offsets) | |
97 | ||
98 | targets += offsets.h | |
99 | ||
100 | AFLAGS_header.o += -I$(obj) | |
101 | $(obj)/header.o: $(obj)/offsets.h | |
102 | ||
4fd06960 PA |
103 | LDFLAGS_setup.elf := -T |
104 | $(obj)/setup.elf: $(src)/setup.ld $(SETUP_OBJS) FORCE | |
1da177e4 LT |
105 | $(call if_changed,ld) |
106 | ||
4fd06960 | 107 | OBJCOPYFLAGS_setup.bin := -O binary |
4fd06960 PA |
108 | $(obj)/setup.bin: $(obj)/setup.elf FORCE |
109 | $(call if_changed,objcopy) | |
110 | ||
1da177e4 | 111 | $(obj)/compressed/vmlinux: FORCE |
d960c9ce | 112 | $(Q)$(MAKE) $(build)=$(obj)/compressed $@ |
1da177e4 | 113 | |
f9c5107c PA |
114 | # Set this if you want to pass append arguments to the |
115 | # bzdisk/fdimage/isoimage kernel | |
f0be6c6a | 116 | FDARGS = |
f9c5107c PA |
117 | # Set this if you want an initrd included with the |
118 | # bzdisk/fdimage/isoimage kernel | |
841b8a46 PA |
119 | FDINITRD = |
120 | ||
121 | image_cmdline = default linux $(FDARGS) $(if $(FDINITRD),initrd=initrd.img,) | |
1da177e4 LT |
122 | |
123 | $(obj)/mtools.conf: $(src)/mtools.conf.in | |
124 | sed -e 's|@OBJ@|$(obj)|g' < $< > $@ | |
125 | ||
126 | # This requires write access to /dev/fd0 | |
f9c5107c | 127 | bzdisk: $(obj)/bzImage $(obj)/mtools.conf |
1da177e4 LT |
128 | MTOOLSRC=$(obj)/mtools.conf mformat a: ; sync |
129 | syslinux /dev/fd0 ; sync | |
841b8a46 | 130 | echo '$(image_cmdline)' | \ |
1da177e4 | 131 | MTOOLSRC=$(src)/mtools.conf mcopy - a:syslinux.cfg |
841b8a46 PA |
132 | if [ -f '$(FDINITRD)' ] ; then \ |
133 | MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' a:initrd.img ; \ | |
134 | fi | |
f9c5107c | 135 | MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage a:linux ; sync |
1da177e4 LT |
136 | |
137 | # These require being root or having syslinux 2.02 or higher installed | |
f9c5107c | 138 | fdimage fdimage144: $(obj)/bzImage $(obj)/mtools.conf |
1da177e4 LT |
139 | dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=1440 |
140 | MTOOLSRC=$(obj)/mtools.conf mformat v: ; sync | |
141 | syslinux $(obj)/fdimage ; sync | |
841b8a46 | 142 | echo '$(image_cmdline)' | \ |
1da177e4 | 143 | MTOOLSRC=$(obj)/mtools.conf mcopy - v:syslinux.cfg |
841b8a46 PA |
144 | if [ -f '$(FDINITRD)' ] ; then \ |
145 | MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' v:initrd.img ; \ | |
146 | fi | |
f9c5107c | 147 | MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage v:linux ; sync |
1da177e4 | 148 | |
f9c5107c | 149 | fdimage288: $(obj)/bzImage $(obj)/mtools.conf |
1da177e4 LT |
150 | dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=2880 |
151 | MTOOLSRC=$(obj)/mtools.conf mformat w: ; sync | |
152 | syslinux $(obj)/fdimage ; sync | |
841b8a46 | 153 | echo '$(image_cmdline)' | \ |
1da177e4 | 154 | MTOOLSRC=$(obj)/mtools.conf mcopy - w:syslinux.cfg |
841b8a46 PA |
155 | if [ -f '$(FDINITRD)' ] ; then \ |
156 | MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' w:initrd.img ; \ | |
157 | fi | |
f9c5107c | 158 | MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage w:linux ; sync |
1da177e4 | 159 | |
f9c5107c | 160 | isoimage: $(obj)/bzImage |
841b8a46 PA |
161 | -rm -rf $(obj)/isoimage |
162 | mkdir $(obj)/isoimage | |
bf660254 AK |
163 | for i in lib lib64 share end ; do \ |
164 | if [ -f /usr/$$i/syslinux/isolinux.bin ] ; then \ | |
165 | cp /usr/$$i/syslinux/isolinux.bin $(obj)/isoimage ; \ | |
166 | break ; \ | |
167 | fi ; \ | |
168 | if [ $$i = end ] ; then exit 1 ; fi ; \ | |
169 | done | |
f9c5107c | 170 | cp $(obj)/bzImage $(obj)/isoimage/linux |
841b8a46 PA |
171 | echo '$(image_cmdline)' > $(obj)/isoimage/isolinux.cfg |
172 | if [ -f '$(FDINITRD)' ] ; then \ | |
173 | cp '$(FDINITRD)' $(obj)/isoimage/initrd.img ; \ | |
174 | fi | |
175 | mkisofs -J -r -o $(obj)/image.iso -b isolinux.bin -c boot.cat \ | |
176 | -no-emul-boot -boot-load-size 4 -boot-info-table \ | |
177 | $(obj)/isoimage | |
d2f37384 | 178 | isohybrid $(obj)/image.iso 2>/dev/null || true |
841b8a46 PA |
179 | rm -rf $(obj)/isoimage |
180 | ||
f9c5107c | 181 | bzlilo: $(obj)/bzImage |
1da177e4 LT |
182 | if [ -f $(INSTALL_PATH)/vmlinuz ]; then mv $(INSTALL_PATH)/vmlinuz $(INSTALL_PATH)/vmlinuz.old; fi |
183 | if [ -f $(INSTALL_PATH)/System.map ]; then mv $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi | |
f9c5107c | 184 | cat $(obj)/bzImage > $(INSTALL_PATH)/vmlinuz |
1da177e4 LT |
185 | cp System.map $(INSTALL_PATH)/ |
186 | if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi | |
187 | ||
0d20babd | 188 | install: |
f9c5107c PA |
189 | sh $(srctree)/$(src)/install.sh $(KERNELRELEASE) $(obj)/bzImage \ |
190 | System.map "$(INSTALL_PATH)" |