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1#
2# arch/x86/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# Changed by many, many contributors over the years.
10#
11
12# If you want to preset the SVGA mode, uncomment the next line and
13# set SVGA_MODE to whatever number you want.
14# Set it to -DSVGA_MODE=NORMAL_VGA if you just want the EGA/VGA mode.
15# The number is the same as you would ordinarily press at bootup.
16
17SVGA_MODE := -DSVGA_MODE=NORMAL_VGA
18
19targets := vmlinux.bin setup.bin setup.elf bzImage
20targets += fdimage fdimage144 fdimage288 image.iso mtools.conf
21subdir- := compressed
22
23setup-y += a20.o bioscall.o cmdline.o copy.o cpu.o cpucheck.o
24setup-y += early_serial_console.o edd.o header.o main.o mca.o memory.o
25setup-y += pm.o pmjump.o printf.o regs.o string.o tty.o video.o
26setup-y += video-mode.o version.o
27setup-$(CONFIG_X86_APM_BOOT) += apm.o
28
29# The link order of the video-*.o modules can matter. In particular,
30# video-vga.o *must* be listed first, followed by video-vesa.o.
31# Hardware-specific drivers should follow in the order they should be
32# probed, and video-bios.o should typically be last.
33setup-y += video-vga.o
34setup-y += video-vesa.o
35setup-y += video-bios.o
36
37targets += $(setup-y)
38hostprogs-y := mkcpustr tools/build
39
40HOST_EXTRACFLAGS += $(LINUXINCLUDE)
41
42$(obj)/cpu.o: $(obj)/cpustr.h
43
44quiet_cmd_cpustr = CPUSTR $@
45 cmd_cpustr = $(obj)/mkcpustr > $@
46targets += cpustr.h
47$(obj)/cpustr.h: $(obj)/mkcpustr FORCE
48 $(call if_changed,cpustr)
49
50# ---------------------------------------------------------------------------
51
52# How to compile the 16-bit code. Note we always compile for -march=i386,
53# that way we can complain to the user if the CPU is insufficient.
54KBUILD_CFLAGS := $(LINUXINCLUDE) -g -Os -D_SETUP -D__KERNEL__ \
55 -DDISABLE_BRANCH_PROFILING \
56 -Wall -Wstrict-prototypes \
57 -march=i386 -mregparm=3 \
58 -include $(srctree)/$(src)/code16gcc.h \
59 -fno-strict-aliasing -fomit-frame-pointer \
60 $(call cc-option, -ffreestanding) \
61 $(call cc-option, -fno-toplevel-reorder,\
62 $(call cc-option, -fno-unit-at-a-time)) \
63 $(call cc-option, -fno-stack-protector) \
64 $(call cc-option, -mpreferred-stack-boundary=2)
65KBUILD_CFLAGS += $(call cc-option, -m32)
66KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__
67GCOV_PROFILE := n
68
69$(obj)/bzImage: asflags-y := $(SVGA_MODE)
70
71quiet_cmd_image = BUILD $@
72cmd_image = $(obj)/tools/build $(obj)/setup.bin $(obj)/vmlinux.bin > $@
73
74$(obj)/bzImage: $(obj)/setup.bin $(obj)/vmlinux.bin $(obj)/tools/build FORCE
75 $(call if_changed,image)
76 @echo 'Kernel: $@ is ready' ' (#'`cat .version`')'
77
78OBJCOPYFLAGS_vmlinux.bin := -O binary -R .note -R .comment -S
79$(obj)/vmlinux.bin: $(obj)/compressed/vmlinux FORCE
80 $(call if_changed,objcopy)
81
82SETUP_OBJS = $(addprefix $(obj)/,$(setup-y))
83
84sed-voffset := -e 's/^\([0-9a-fA-F]*\) . \(_text\|_end\)$$/\#define VO_\2 0x\1/p'
85
86quiet_cmd_voffset = VOFFSET $@
87 cmd_voffset = $(NM) $< | sed -n $(sed-voffset) > $@
88
89targets += voffset.h
90$(obj)/voffset.h: vmlinux FORCE
91 $(call if_changed,voffset)
92
93sed-zoffset := -e 's/^\([0-9a-fA-F]*\) . \(startup_32\|input_data\|_end\|z_.*\)$$/\#define ZO_\2 0x\1/p'
94
95quiet_cmd_zoffset = ZOFFSET $@
96 cmd_zoffset = $(NM) $< | sed -n $(sed-zoffset) > $@
97
98targets += zoffset.h
99$(obj)/zoffset.h: $(obj)/compressed/vmlinux FORCE
100 $(call if_changed,zoffset)
101
102
103AFLAGS_header.o += -I$(obj)
104$(obj)/header.o: $(obj)/voffset.h $(obj)/zoffset.h
105
106LDFLAGS_setup.elf := -T
107$(obj)/setup.elf: $(src)/setup.ld $(SETUP_OBJS) FORCE
108 $(call if_changed,ld)
109
110OBJCOPYFLAGS_setup.bin := -O binary
111$(obj)/setup.bin: $(obj)/setup.elf FORCE
112 $(call if_changed,objcopy)
113
114$(obj)/compressed/vmlinux: FORCE
115 $(Q)$(MAKE) $(build)=$(obj)/compressed $@
116
117# Set this if you want to pass append arguments to the
118# bzdisk/fdimage/isoimage kernel
119FDARGS =
120# Set this if you want an initrd included with the
121# bzdisk/fdimage/isoimage kernel
122FDINITRD =
123
124image_cmdline = default linux $(FDARGS) $(if $(FDINITRD),initrd=initrd.img,)
125
126$(obj)/mtools.conf: $(src)/mtools.conf.in
127 sed -e 's|@OBJ@|$(obj)|g' < $< > $@
128
129# This requires write access to /dev/fd0
130bzdisk: $(obj)/bzImage $(obj)/mtools.conf
131 MTOOLSRC=$(obj)/mtools.conf mformat a: ; sync
132 syslinux /dev/fd0 ; sync
133 echo '$(image_cmdline)' | \
134 MTOOLSRC=$(src)/mtools.conf mcopy - a:syslinux.cfg
135 if [ -f '$(FDINITRD)' ] ; then \
136 MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' a:initrd.img ; \
137 fi
138 MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage a:linux ; sync
139
140# These require being root or having syslinux 2.02 or higher installed
141fdimage fdimage144: $(obj)/bzImage $(obj)/mtools.conf
142 dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=1440
143 MTOOLSRC=$(obj)/mtools.conf mformat v: ; sync
144 syslinux $(obj)/fdimage ; sync
145 echo '$(image_cmdline)' | \
146 MTOOLSRC=$(obj)/mtools.conf mcopy - v:syslinux.cfg
147 if [ -f '$(FDINITRD)' ] ; then \
148 MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' v:initrd.img ; \
149 fi
150 MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage v:linux ; sync
151
152fdimage288: $(obj)/bzImage $(obj)/mtools.conf
153 dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=2880
154 MTOOLSRC=$(obj)/mtools.conf mformat w: ; sync
155 syslinux $(obj)/fdimage ; sync
156 echo '$(image_cmdline)' | \
157 MTOOLSRC=$(obj)/mtools.conf mcopy - w:syslinux.cfg
158 if [ -f '$(FDINITRD)' ] ; then \
159 MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' w:initrd.img ; \
160 fi
161 MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage w:linux ; sync
162
163isoimage: $(obj)/bzImage
164 -rm -rf $(obj)/isoimage
165 mkdir $(obj)/isoimage
166 for i in lib lib64 share end ; do \
167 if [ -f /usr/$$i/syslinux/isolinux.bin ] ; then \
168 cp /usr/$$i/syslinux/isolinux.bin $(obj)/isoimage ; \
169 break ; \
170 fi ; \
171 if [ $$i = end ] ; then exit 1 ; fi ; \
172 done
173 cp $(obj)/bzImage $(obj)/isoimage/linux
174 echo '$(image_cmdline)' > $(obj)/isoimage/isolinux.cfg
175 if [ -f '$(FDINITRD)' ] ; then \
176 cp '$(FDINITRD)' $(obj)/isoimage/initrd.img ; \
177 fi
178 mkisofs -J -r -o $(obj)/image.iso -b isolinux.bin -c boot.cat \
179 -no-emul-boot -boot-load-size 4 -boot-info-table \
180 $(obj)/isoimage
181 isohybrid $(obj)/image.iso 2>/dev/null || true
182 rm -rf $(obj)/isoimage
183
184bzlilo: $(obj)/bzImage
185 if [ -f $(INSTALL_PATH)/vmlinuz ]; then mv $(INSTALL_PATH)/vmlinuz $(INSTALL_PATH)/vmlinuz.old; fi
186 if [ -f $(INSTALL_PATH)/System.map ]; then mv $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi
187 cat $(obj)/bzImage > $(INSTALL_PATH)/vmlinuz
188 cp System.map $(INSTALL_PATH)/
189 if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi
190
191install:
192 sh $(srctree)/$(src)/install.sh $(KERNELRELEASE) $(obj)/bzImage \
193 System.map "$(INSTALL_PATH)"
1#
2# arch/x86/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# Changed by many, many contributors over the years.
10#
11
12# If you want to preset the SVGA mode, uncomment the next line and
13# set SVGA_MODE to whatever number you want.
14# Set it to -DSVGA_MODE=NORMAL_VGA if you just want the EGA/VGA mode.
15# The number is the same as you would ordinarily press at bootup.
16
17SVGA_MODE := -DSVGA_MODE=NORMAL_VGA
18
19targets := vmlinux.bin setup.bin setup.elf bzImage
20targets += fdimage fdimage144 fdimage288 image.iso mtools.conf
21subdir- := compressed
22
23setup-y += a20.o bioscall.o cmdline.o copy.o cpu.o cpucheck.o
24setup-y += early_serial_console.o edd.o header.o main.o mca.o memory.o
25setup-y += pm.o pmjump.o printf.o regs.o string.o tty.o video.o
26setup-y += video-mode.o version.o
27setup-$(CONFIG_X86_APM_BOOT) += apm.o
28
29# The link order of the video-*.o modules can matter. In particular,
30# video-vga.o *must* be listed first, followed by video-vesa.o.
31# Hardware-specific drivers should follow in the order they should be
32# probed, and video-bios.o should typically be last.
33setup-y += video-vga.o
34setup-y += video-vesa.o
35setup-y += video-bios.o
36
37targets += $(setup-y)
38hostprogs-y := mkcpustr tools/build
39
40HOST_EXTRACFLAGS += -I$(srctree)/tools/include $(LINUXINCLUDE) \
41 -D__EXPORTED_HEADERS__
42
43$(obj)/cpu.o: $(obj)/cpustr.h
44
45quiet_cmd_cpustr = CPUSTR $@
46 cmd_cpustr = $(obj)/mkcpustr > $@
47targets += cpustr.h
48$(obj)/cpustr.h: $(obj)/mkcpustr FORCE
49 $(call if_changed,cpustr)
50
51# ---------------------------------------------------------------------------
52
53# How to compile the 16-bit code. Note we always compile for -march=i386,
54# that way we can complain to the user if the CPU is insufficient.
55KBUILD_CFLAGS := $(LINUXINCLUDE) -g -Os -D_SETUP -D__KERNEL__ \
56 -DDISABLE_BRANCH_PROFILING \
57 -Wall -Wstrict-prototypes \
58 -march=i386 -mregparm=3 \
59 -include $(srctree)/$(src)/code16gcc.h \
60 -fno-strict-aliasing -fomit-frame-pointer \
61 $(call cc-option, -ffreestanding) \
62 $(call cc-option, -fno-toplevel-reorder,\
63 $(call cc-option, -fno-unit-at-a-time)) \
64 $(call cc-option, -fno-stack-protector) \
65 $(call cc-option, -mpreferred-stack-boundary=2)
66KBUILD_CFLAGS += $(call cc-option, -m32)
67KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__
68GCOV_PROFILE := n
69
70$(obj)/bzImage: asflags-y := $(SVGA_MODE)
71
72quiet_cmd_image = BUILD $@
73cmd_image = $(obj)/tools/build $(obj)/setup.bin $(obj)/vmlinux.bin > $@
74
75$(obj)/bzImage: $(obj)/setup.bin $(obj)/vmlinux.bin $(obj)/tools/build FORCE
76 $(call if_changed,image)
77 @echo 'Kernel: $@ is ready' ' (#'`cat .version`')'
78
79OBJCOPYFLAGS_vmlinux.bin := -O binary -R .note -R .comment -S
80$(obj)/vmlinux.bin: $(obj)/compressed/vmlinux FORCE
81 $(call if_changed,objcopy)
82
83SETUP_OBJS = $(addprefix $(obj)/,$(setup-y))
84
85sed-voffset := -e 's/^\([0-9a-fA-F]*\) . \(_text\|_end\)$$/\#define VO_\2 0x\1/p'
86
87quiet_cmd_voffset = VOFFSET $@
88 cmd_voffset = $(NM) $< | sed -n $(sed-voffset) > $@
89
90targets += voffset.h
91$(obj)/voffset.h: vmlinux FORCE
92 $(call if_changed,voffset)
93
94sed-zoffset := -e 's/^\([0-9a-fA-F]*\) . \(startup_32\|input_data\|_end\|z_.*\)$$/\#define ZO_\2 0x\1/p'
95
96quiet_cmd_zoffset = ZOFFSET $@
97 cmd_zoffset = $(NM) $< | sed -n $(sed-zoffset) > $@
98
99targets += zoffset.h
100$(obj)/zoffset.h: $(obj)/compressed/vmlinux FORCE
101 $(call if_changed,zoffset)
102
103
104AFLAGS_header.o += -I$(obj)
105$(obj)/header.o: $(obj)/voffset.h $(obj)/zoffset.h
106
107LDFLAGS_setup.elf := -T
108$(obj)/setup.elf: $(src)/setup.ld $(SETUP_OBJS) FORCE
109 $(call if_changed,ld)
110
111OBJCOPYFLAGS_setup.bin := -O binary
112$(obj)/setup.bin: $(obj)/setup.elf FORCE
113 $(call if_changed,objcopy)
114
115$(obj)/compressed/vmlinux: FORCE
116 $(Q)$(MAKE) $(build)=$(obj)/compressed $@
117
118# Set this if you want to pass append arguments to the
119# bzdisk/fdimage/isoimage kernel
120FDARGS =
121# Set this if you want an initrd included with the
122# bzdisk/fdimage/isoimage kernel
123FDINITRD =
124
125image_cmdline = default linux $(FDARGS) $(if $(FDINITRD),initrd=initrd.img,)
126
127$(obj)/mtools.conf: $(src)/mtools.conf.in
128 sed -e 's|@OBJ@|$(obj)|g' < $< > $@
129
130# This requires write access to /dev/fd0
131bzdisk: $(obj)/bzImage $(obj)/mtools.conf
132 MTOOLSRC=$(obj)/mtools.conf mformat a: ; sync
133 syslinux /dev/fd0 ; sync
134 echo '$(image_cmdline)' | \
135 MTOOLSRC=$(src)/mtools.conf mcopy - a:syslinux.cfg
136 if [ -f '$(FDINITRD)' ] ; then \
137 MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' a:initrd.img ; \
138 fi
139 MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage a:linux ; sync
140
141# These require being root or having syslinux 2.02 or higher installed
142fdimage fdimage144: $(obj)/bzImage $(obj)/mtools.conf
143 dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=1440
144 MTOOLSRC=$(obj)/mtools.conf mformat v: ; sync
145 syslinux $(obj)/fdimage ; sync
146 echo '$(image_cmdline)' | \
147 MTOOLSRC=$(obj)/mtools.conf mcopy - v:syslinux.cfg
148 if [ -f '$(FDINITRD)' ] ; then \
149 MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' v:initrd.img ; \
150 fi
151 MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage v:linux ; sync
152
153fdimage288: $(obj)/bzImage $(obj)/mtools.conf
154 dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=2880
155 MTOOLSRC=$(obj)/mtools.conf mformat w: ; sync
156 syslinux $(obj)/fdimage ; sync
157 echo '$(image_cmdline)' | \
158 MTOOLSRC=$(obj)/mtools.conf mcopy - w:syslinux.cfg
159 if [ -f '$(FDINITRD)' ] ; then \
160 MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' w:initrd.img ; \
161 fi
162 MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage w:linux ; sync
163
164isoimage: $(obj)/bzImage
165 -rm -rf $(obj)/isoimage
166 mkdir $(obj)/isoimage
167 for i in lib lib64 share end ; do \
168 if [ -f /usr/$$i/syslinux/isolinux.bin ] ; then \
169 cp /usr/$$i/syslinux/isolinux.bin $(obj)/isoimage ; \
170 break ; \
171 fi ; \
172 if [ $$i = end ] ; then exit 1 ; fi ; \
173 done
174 cp $(obj)/bzImage $(obj)/isoimage/linux
175 echo '$(image_cmdline)' > $(obj)/isoimage/isolinux.cfg
176 if [ -f '$(FDINITRD)' ] ; then \
177 cp '$(FDINITRD)' $(obj)/isoimage/initrd.img ; \
178 fi
179 mkisofs -J -r -o $(obj)/image.iso -b isolinux.bin -c boot.cat \
180 -no-emul-boot -boot-load-size 4 -boot-info-table \
181 $(obj)/isoimage
182 isohybrid $(obj)/image.iso 2>/dev/null || true
183 rm -rf $(obj)/isoimage
184
185bzlilo: $(obj)/bzImage
186 if [ -f $(INSTALL_PATH)/vmlinuz ]; then mv $(INSTALL_PATH)/vmlinuz $(INSTALL_PATH)/vmlinuz.old; fi
187 if [ -f $(INSTALL_PATH)/System.map ]; then mv $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi
188 cat $(obj)/bzImage > $(INSTALL_PATH)/vmlinuz
189 cp System.map $(INSTALL_PATH)/
190 if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi
191
192install:
193 sh $(srctree)/$(src)/install.sh $(KERNELRELEASE) $(obj)/bzImage \
194 System.map "$(INSTALL_PATH)"