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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#
Thomas Gleixner96ae6ea2007-10-11 11:16:45 +02002# arch/x86/boot/Makefile
Linus Torvalds1da177e2005-04-16 15:20:36 -07003#
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
H. Peter Anvin5e47c472009-03-11 10:55:33 -07009# Changed by many, many contributors over the years.
Linus Torvalds1da177e2005-04-16 15:20:36 -070010#
11
Linus Torvalds1da177e2005-04-16 15:20:36 -070012# 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
H. Peter Anvin5e47c472009-03-11 10:55:33 -070017SVGA_MODE := -DSVGA_MODE=NORMAL_VGA
Linus Torvalds1da177e2005-04-16 15:20:36 -070018
H. Peter Anvin5e47c472009-03-11 10:55:33 -070019targets := vmlinux.bin setup.bin setup.elf bzImage
H. Peter Anvin16a67912009-03-12 13:43:14 -070020targets += fdimage fdimage144 fdimage288 image.iso mtools.conf
H. Peter Anvinf0be6c62008-02-04 16:48:00 +010021subdir- := compressed
Linus Torvalds1da177e2005-04-16 15:20:36 -070022
Kees Cookdd78b972013-10-10 17:18:13 -070023setup-y += a20.o bioscall.o cmdline.o copy.o cpu.o cpuflags.o cpucheck.o
Yinghai Luf4ed2872010-08-02 02:17:31 -070024setup-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
Andi Kleena6b68072008-01-30 13:32:49 +010027setup-$(CONFIG_X86_APM_BOOT) += apm.o
H. Peter Anvin4fd06962007-07-11 12:18:56 -070028
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
H. Peter Anvin30c82642007-10-15 17:13:22 -070036
Sam Ravnborg3fbc5412007-07-17 22:27:22 +020037targets += $(setup-y)
Josh Triplett9def39be2013-10-30 08:09:45 -070038hostprogs-y := tools/build
39hostprogs-$(CONFIG_X86_FEATURE_NAMES) += mkcpustr
Linus Torvalds1da177e2005-04-16 15:20:36 -070040
Matt Flemingb6eea872012-10-12 11:19:59 +010041HOST_EXTRACFLAGS += -I$(srctree)/tools/include \
42 -include include/generated/autoconf.h \
H. Peter Anvin446e1c82012-03-22 11:08:18 -070043 -D__EXPORTED_HEADERS__
44
Josh Triplett9def39be2013-10-30 08:09:45 -070045ifdef CONFIG_X86_FEATURE_NAMES
H. Peter Anvinf0be6c62008-02-04 16:48:00 +010046$(obj)/cpu.o: $(obj)/cpustr.h
47
48quiet_cmd_cpustr = CPUSTR $@
49 cmd_cpustr = $(obj)/mkcpustr > $@
Josh Triplett9def39be2013-10-30 08:09:45 -070050targets += cpustr.h
H. Peter Anvinf0be6c62008-02-04 16:48:00 +010051$(obj)/cpustr.h: $(obj)/mkcpustr FORCE
52 $(call if_changed,cpustr)
Josh Triplett9def39be2013-10-30 08:09:45 -070053endif
Bjørn Mork280dbc52014-12-23 12:57:43 +010054clean-files += cpustr.h
Linus Torvalds1da177e2005-04-16 15:20:36 -070055
56# ---------------------------------------------------------------------------
57
David Woodhouse1c678da2014-01-08 11:21:20 +000058KBUILD_CFLAGS := $(USERINCLUDE) $(REALMODE_CFLAGS) -D_SETUP
Sam Ravnborg222d3942007-10-15 21:59:31 +020059KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__
Peter Oberparleiter7bf99fb2009-06-17 16:28:09 -070060GCOV_PROFILE := n
H. Peter Anvin4fd06962007-07-11 12:18:56 -070061
H. Peter Anvin5e47c472009-03-11 10:55:33 -070062$(obj)/bzImage: asflags-y := $(SVGA_MODE)
Linus Torvalds1da177e2005-04-16 15:20:36 -070063
64quiet_cmd_image = BUILD $@
Kees Cook809373e2013-09-06 11:15:32 -070065cmd_image = $(obj)/tools/build $(obj)/setup.bin $(obj)/vmlinux.bin \
66 $(obj)/zoffset.h $@
Linus Torvalds1da177e2005-04-16 15:20:36 -070067
H. Peter Anvin5e47c472009-03-11 10:55:33 -070068$(obj)/bzImage: $(obj)/setup.bin $(obj)/vmlinux.bin $(obj)/tools/build FORCE
Linus Torvalds1da177e2005-04-16 15:20:36 -070069 $(call if_changed,image)
Coywolf Qi Hunt28948012005-06-21 17:15:15 -070070 @echo 'Kernel: $@ is ready' ' (#'`cat .version`')'
Linus Torvalds1da177e2005-04-16 15:20:36 -070071
Ian Campbell1622ac22008-02-04 16:47:56 +010072OBJCOPYFLAGS_vmlinux.bin := -O binary -R .note -R .comment -S
Linus Torvalds1da177e2005-04-16 15:20:36 -070073$(obj)/vmlinux.bin: $(obj)/compressed/vmlinux FORCE
74 $(call if_changed,objcopy)
75
H. Peter Anvin4fd06962007-07-11 12:18:56 -070076SETUP_OBJS = $(addprefix $(obj)/,$(setup-y))
Linus Torvalds1da177e2005-04-16 15:20:36 -070077
H. Peter Anvinac008fe2014-05-05 15:23:35 -070078sed-voffset := -e 's/^\([0-9a-fA-F]*\) [ABCDGRSTVW] \(_text\|_end\)$$/\#define VO_\2 0x\1/p'
Ian Campbell099e1372008-02-13 20:54:58 +000079
H. Peter Anvin77d1a492009-05-11 14:21:12 -070080quiet_cmd_voffset = VOFFSET $@
81 cmd_voffset = $(NM) $< | sed -n $(sed-voffset) > $@
Ian Campbell099e1372008-02-13 20:54:58 +000082
H. Peter Anvin77d1a492009-05-11 14:21:12 -070083targets += voffset.h
84$(obj)/voffset.h: vmlinux FORCE
85 $(call if_changed,voffset)
Ian Campbell099e1372008-02-13 20:54:58 +000086
H. Peter Anvinac008fe2014-05-05 15:23:35 -070087sed-zoffset := -e 's/^\([0-9a-fA-F]*\) [ABCDGRSTVW] \(startup_32\|startup_64\|efi32_stub_entry\|efi64_stub_entry\|efi_pe_entry\|input_data\|_end\|z_.*\)$$/\#define ZO_\2 0x\1/p'
H. Peter Anvin77d1a492009-05-11 14:21:12 -070088
89quiet_cmd_zoffset = ZOFFSET $@
90 cmd_zoffset = $(NM) $< | sed -n $(sed-zoffset) > $@
91
92targets += zoffset.h
93$(obj)/zoffset.h: $(obj)/compressed/vmlinux FORCE
94 $(call if_changed,zoffset)
95
Ian Campbell099e1372008-02-13 20:54:58 +000096
97AFLAGS_header.o += -I$(obj)
H. Peter Anvin77d1a492009-05-11 14:21:12 -070098$(obj)/header.o: $(obj)/voffset.h $(obj)/zoffset.h
Ian Campbell099e1372008-02-13 20:54:58 +000099
H. Peter Anvin4fd06962007-07-11 12:18:56 -0700100LDFLAGS_setup.elf := -T
101$(obj)/setup.elf: $(src)/setup.ld $(SETUP_OBJS) FORCE
Linus Torvalds1da177e2005-04-16 15:20:36 -0700102 $(call if_changed,ld)
103
H. Peter Anvin4fd06962007-07-11 12:18:56 -0700104OBJCOPYFLAGS_setup.bin := -O binary
H. Peter Anvin4fd06962007-07-11 12:18:56 -0700105$(obj)/setup.bin: $(obj)/setup.elf FORCE
106 $(call if_changed,objcopy)
107
Linus Torvalds1da177e2005-04-16 15:20:36 -0700108$(obj)/compressed/vmlinux: FORCE
Paul Bolled960c9c2008-10-04 21:18:51 +0200109 $(Q)$(MAKE) $(build)=$(obj)/compressed $@
Linus Torvalds1da177e2005-04-16 15:20:36 -0700110
H. Peter Anvinf9c51072009-03-12 12:50:33 -0700111# Set this if you want to pass append arguments to the
112# bzdisk/fdimage/isoimage kernel
H. Peter Anvinf0be6c62008-02-04 16:48:00 +0100113FDARGS =
H. Peter Anvinf9c51072009-03-12 12:50:33 -0700114# Set this if you want an initrd included with the
115# bzdisk/fdimage/isoimage kernel
H. Peter Anvin841b8a42006-03-26 01:36:59 -0800116FDINITRD =
117
118image_cmdline = default linux $(FDARGS) $(if $(FDINITRD),initrd=initrd.img,)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700119
120$(obj)/mtools.conf: $(src)/mtools.conf.in
121 sed -e 's|@OBJ@|$(obj)|g' < $< > $@
122
123# This requires write access to /dev/fd0
H. Peter Anvinf9c51072009-03-12 12:50:33 -0700124bzdisk: $(obj)/bzImage $(obj)/mtools.conf
Linus Torvalds1da177e2005-04-16 15:20:36 -0700125 MTOOLSRC=$(obj)/mtools.conf mformat a: ; sync
126 syslinux /dev/fd0 ; sync
H. Peter Anvin841b8a42006-03-26 01:36:59 -0800127 echo '$(image_cmdline)' | \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700128 MTOOLSRC=$(src)/mtools.conf mcopy - a:syslinux.cfg
H. Peter Anvin841b8a42006-03-26 01:36:59 -0800129 if [ -f '$(FDINITRD)' ] ; then \
130 MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' a:initrd.img ; \
131 fi
H. Peter Anvinf9c51072009-03-12 12:50:33 -0700132 MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage a:linux ; sync
Linus Torvalds1da177e2005-04-16 15:20:36 -0700133
134# These require being root or having syslinux 2.02 or higher installed
H. Peter Anvinf9c51072009-03-12 12:50:33 -0700135fdimage fdimage144: $(obj)/bzImage $(obj)/mtools.conf
Linus Torvalds1da177e2005-04-16 15:20:36 -0700136 dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=1440
137 MTOOLSRC=$(obj)/mtools.conf mformat v: ; sync
138 syslinux $(obj)/fdimage ; sync
H. Peter Anvin841b8a42006-03-26 01:36:59 -0800139 echo '$(image_cmdline)' | \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700140 MTOOLSRC=$(obj)/mtools.conf mcopy - v:syslinux.cfg
H. Peter Anvin841b8a42006-03-26 01:36:59 -0800141 if [ -f '$(FDINITRD)' ] ; then \
142 MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' v:initrd.img ; \
143 fi
H. Peter Anvinf9c51072009-03-12 12:50:33 -0700144 MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage v:linux ; sync
Linus Torvalds1da177e2005-04-16 15:20:36 -0700145
H. Peter Anvinf9c51072009-03-12 12:50:33 -0700146fdimage288: $(obj)/bzImage $(obj)/mtools.conf
Linus Torvalds1da177e2005-04-16 15:20:36 -0700147 dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=2880
148 MTOOLSRC=$(obj)/mtools.conf mformat w: ; sync
149 syslinux $(obj)/fdimage ; sync
H. Peter Anvin841b8a42006-03-26 01:36:59 -0800150 echo '$(image_cmdline)' | \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700151 MTOOLSRC=$(obj)/mtools.conf mcopy - w:syslinux.cfg
H. Peter Anvin841b8a42006-03-26 01:36:59 -0800152 if [ -f '$(FDINITRD)' ] ; then \
153 MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' w:initrd.img ; \
154 fi
H. Peter Anvinf9c51072009-03-12 12:50:33 -0700155 MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage w:linux ; sync
Linus Torvalds1da177e2005-04-16 15:20:36 -0700156
H. Peter Anvinf9c51072009-03-12 12:50:33 -0700157isoimage: $(obj)/bzImage
H. Peter Anvin841b8a42006-03-26 01:36:59 -0800158 -rm -rf $(obj)/isoimage
159 mkdir $(obj)/isoimage
Andi Kleenbf660252006-06-26 13:58:41 +0200160 for i in lib lib64 share end ; do \
161 if [ -f /usr/$$i/syslinux/isolinux.bin ] ; then \
162 cp /usr/$$i/syslinux/isolinux.bin $(obj)/isoimage ; \
163 break ; \
164 fi ; \
165 if [ $$i = end ] ; then exit 1 ; fi ; \
166 done
H. Peter Anvinf9c51072009-03-12 12:50:33 -0700167 cp $(obj)/bzImage $(obj)/isoimage/linux
H. Peter Anvin841b8a42006-03-26 01:36:59 -0800168 echo '$(image_cmdline)' > $(obj)/isoimage/isolinux.cfg
169 if [ -f '$(FDINITRD)' ] ; then \
170 cp '$(FDINITRD)' $(obj)/isoimage/initrd.img ; \
171 fi
172 mkisofs -J -r -o $(obj)/image.iso -b isolinux.bin -c boot.cat \
173 -no-emul-boot -boot-load-size 4 -boot-info-table \
174 $(obj)/isoimage
H. Peter Anvind2f37382008-09-05 21:28:27 -0700175 isohybrid $(obj)/image.iso 2>/dev/null || true
H. Peter Anvin841b8a42006-03-26 01:36:59 -0800176 rm -rf $(obj)/isoimage
177
H. Peter Anvinf9c51072009-03-12 12:50:33 -0700178bzlilo: $(obj)/bzImage
Linus Torvalds1da177e2005-04-16 15:20:36 -0700179 if [ -f $(INSTALL_PATH)/vmlinuz ]; then mv $(INSTALL_PATH)/vmlinuz $(INSTALL_PATH)/vmlinuz.old; fi
180 if [ -f $(INSTALL_PATH)/System.map ]; then mv $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi
H. Peter Anvinf9c51072009-03-12 12:50:33 -0700181 cat $(obj)/bzImage > $(INSTALL_PATH)/vmlinuz
Linus Torvalds1da177e2005-04-16 15:20:36 -0700182 cp System.map $(INSTALL_PATH)/
183 if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi
184
H. Peter Anvin0d20bab2006-01-07 17:38:39 -0800185install:
H. Peter Anvinf9c51072009-03-12 12:50:33 -0700186 sh $(srctree)/$(src)/install.sh $(KERNELRELEASE) $(obj)/bzImage \
187 System.map "$(INSTALL_PATH)"