Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | # |
Thomas Gleixner | 96ae6ea | 2007-10-11 11:16:45 +0200 | [diff] [blame] | 2 | # arch/x86/boot/Makefile |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 |
H. Peter Anvin | 5e47c47 | 2009-03-11 10:55:33 -0700 | [diff] [blame] | 9 | # Changed by many, many contributors over the years. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 10 | # |
| 11 | |
Josh Poimboeuf | c0dd671686 | 2016-02-28 22:22:34 -0600 | [diff] [blame] | 12 | KASAN_SANITIZE := n |
| 13 | OBJECT_FILES_NON_STANDARD := y |
Andrey Konovalov | c63f06d | 2015-11-05 18:51:09 -0800 | [diff] [blame] | 14 | |
Dmitry Vyukov | 5c9a875 | 2016-03-22 14:27:30 -0700 | [diff] [blame] | 15 | # Kernel does not boot with kcov instrumentation here. |
| 16 | # One of the problems observed was insertion of __sanitizer_cov_trace_pc() |
| 17 | # callback into middle of per-cpu data enabling code. Thus the callback observed |
| 18 | # inconsistent state and crashed. We are interested mostly in syscall coverage, |
| 19 | # so boot code is not interesting anyway. |
| 20 | KCOV_INSTRUMENT := n |
| 21 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | # If you want to preset the SVGA mode, uncomment the next line and |
| 23 | # set SVGA_MODE to whatever number you want. |
| 24 | # Set it to -DSVGA_MODE=NORMAL_VGA if you just want the EGA/VGA mode. |
| 25 | # The number is the same as you would ordinarily press at bootup. |
| 26 | |
H. Peter Anvin | 5e47c47 | 2009-03-11 10:55:33 -0700 | [diff] [blame] | 27 | SVGA_MODE := -DSVGA_MODE=NORMAL_VGA |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 28 | |
H. Peter Anvin | 5e47c47 | 2009-03-11 10:55:33 -0700 | [diff] [blame] | 29 | targets := vmlinux.bin setup.bin setup.elf bzImage |
H. Peter Anvin | 16a6791 | 2009-03-12 13:43:14 -0700 | [diff] [blame] | 30 | targets += fdimage fdimage144 fdimage288 image.iso mtools.conf |
H. Peter Anvin | f0be6c6 | 2008-02-04 16:48:00 +0100 | [diff] [blame] | 31 | subdir- := compressed |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 32 | |
Kees Cook | dd78b97 | 2013-10-10 17:18:13 -0700 | [diff] [blame] | 33 | setup-y += a20.o bioscall.o cmdline.o copy.o cpu.o cpuflags.o cpucheck.o |
Paolo Pisati | 9491630 | 2015-07-20 18:23:50 +0200 | [diff] [blame] | 34 | setup-y += early_serial_console.o edd.o header.o main.o memory.o |
Yinghai Lu | f4ed287 | 2010-08-02 02:17:31 -0700 | [diff] [blame] | 35 | setup-y += pm.o pmjump.o printf.o regs.o string.o tty.o video.o |
| 36 | setup-y += video-mode.o version.o |
Andi Kleen | a6b6807 | 2008-01-30 13:32:49 +0100 | [diff] [blame] | 37 | setup-$(CONFIG_X86_APM_BOOT) += apm.o |
H. Peter Anvin | 4fd0696 | 2007-07-11 12:18:56 -0700 | [diff] [blame] | 38 | |
| 39 | # The link order of the video-*.o modules can matter. In particular, |
| 40 | # video-vga.o *must* be listed first, followed by video-vesa.o. |
| 41 | # Hardware-specific drivers should follow in the order they should be |
| 42 | # probed, and video-bios.o should typically be last. |
| 43 | setup-y += video-vga.o |
| 44 | setup-y += video-vesa.o |
| 45 | setup-y += video-bios.o |
H. Peter Anvin | 30c8264 | 2007-10-15 17:13:22 -0700 | [diff] [blame] | 46 | |
Sam Ravnborg | 3fbc541 | 2007-07-17 22:27:22 +0200 | [diff] [blame] | 47 | targets += $(setup-y) |
Josh Triplett | 9def39be | 2013-10-30 08:09:45 -0700 | [diff] [blame] | 48 | hostprogs-y := tools/build |
| 49 | hostprogs-$(CONFIG_X86_FEATURE_NAMES) += mkcpustr |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 50 | |
Matt Fleming | b6eea87 | 2012-10-12 11:19:59 +0100 | [diff] [blame] | 51 | HOST_EXTRACFLAGS += -I$(srctree)/tools/include \ |
| 52 | -include include/generated/autoconf.h \ |
H. Peter Anvin | 446e1c8 | 2012-03-22 11:08:18 -0700 | [diff] [blame] | 53 | -D__EXPORTED_HEADERS__ |
| 54 | |
Josh Triplett | 9def39be | 2013-10-30 08:09:45 -0700 | [diff] [blame] | 55 | ifdef CONFIG_X86_FEATURE_NAMES |
H. Peter Anvin | f0be6c6 | 2008-02-04 16:48:00 +0100 | [diff] [blame] | 56 | $(obj)/cpu.o: $(obj)/cpustr.h |
| 57 | |
| 58 | quiet_cmd_cpustr = CPUSTR $@ |
| 59 | cmd_cpustr = $(obj)/mkcpustr > $@ |
Josh Triplett | 9def39be | 2013-10-30 08:09:45 -0700 | [diff] [blame] | 60 | targets += cpustr.h |
H. Peter Anvin | f0be6c6 | 2008-02-04 16:48:00 +0100 | [diff] [blame] | 61 | $(obj)/cpustr.h: $(obj)/mkcpustr FORCE |
| 62 | $(call if_changed,cpustr) |
Josh Triplett | 9def39be | 2013-10-30 08:09:45 -0700 | [diff] [blame] | 63 | endif |
Bjørn Mork | 280dbc5 | 2014-12-23 12:57:43 +0100 | [diff] [blame] | 64 | clean-files += cpustr.h |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 65 | |
| 66 | # --------------------------------------------------------------------------- |
| 67 | |
Paul Bolle | 0acba3f | 2016-11-03 10:47:48 +0100 | [diff] [blame] | 68 | KBUILD_CFLAGS := $(REALMODE_CFLAGS) -D_SETUP |
Sam Ravnborg | 222d394 | 2007-10-15 21:59:31 +0200 | [diff] [blame] | 69 | KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__ |
Peter Oberparleiter | 7bf99fb | 2009-06-17 16:28:09 -0700 | [diff] [blame] | 70 | GCOV_PROFILE := n |
Andrey Ryabinin | c6d3085 | 2016-01-20 15:00:55 -0800 | [diff] [blame] | 71 | UBSAN_SANITIZE := n |
H. Peter Anvin | 4fd0696 | 2007-07-11 12:18:56 -0700 | [diff] [blame] | 72 | |
H. Peter Anvin | 5e47c47 | 2009-03-11 10:55:33 -0700 | [diff] [blame] | 73 | $(obj)/bzImage: asflags-y := $(SVGA_MODE) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 74 | |
| 75 | quiet_cmd_image = BUILD $@ |
Arnd Bergmann | d460131 | 2017-07-19 14:53:03 +0200 | [diff] [blame] | 76 | silent_redirect_image = >/dev/null |
Kees Cook | 809373e | 2013-09-06 11:15:32 -0700 | [diff] [blame] | 77 | cmd_image = $(obj)/tools/build $(obj)/setup.bin $(obj)/vmlinux.bin \ |
Arnd Bergmann | d460131 | 2017-07-19 14:53:03 +0200 | [diff] [blame] | 78 | $(obj)/zoffset.h $@ $($(quiet)redirect_image) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 79 | |
H. Peter Anvin | 5e47c47 | 2009-03-11 10:55:33 -0700 | [diff] [blame] | 80 | $(obj)/bzImage: $(obj)/setup.bin $(obj)/vmlinux.bin $(obj)/tools/build FORCE |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 81 | $(call if_changed,image) |
Arnd Bergmann | d460131 | 2017-07-19 14:53:03 +0200 | [diff] [blame] | 82 | @$(kecho) 'Kernel: $@ is ready' ' (#'`cat .version`')' |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 83 | |
Ian Campbell | 1622ac2 | 2008-02-04 16:47:56 +0100 | [diff] [blame] | 84 | OBJCOPYFLAGS_vmlinux.bin := -O binary -R .note -R .comment -S |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 85 | $(obj)/vmlinux.bin: $(obj)/compressed/vmlinux FORCE |
| 86 | $(call if_changed,objcopy) |
| 87 | |
H. Peter Anvin | 4fd0696 | 2007-07-11 12:18:56 -0700 | [diff] [blame] | 88 | SETUP_OBJS = $(addprefix $(obj)/,$(setup-y)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 89 | |
Ard Biesheuvel | acc943f | 2020-06-22 19:56:39 +0000 | [diff] [blame] | 90 | sed-zoffset := -e 's/^\([0-9a-fA-F]*\) [a-zA-Z] \(startup_32\|startup_64\|efi32_stub_entry\|efi64_stub_entry\|efi_pe_entry\|input_data\|_end\|_ehead\|_text\|z_.*\)$$/\#define ZO_\2 0x\1/p' |
H. Peter Anvin | 77d1a49 | 2009-05-11 14:21:12 -0700 | [diff] [blame] | 91 | |
| 92 | quiet_cmd_zoffset = ZOFFSET $@ |
| 93 | cmd_zoffset = $(NM) $< | sed -n $(sed-zoffset) > $@ |
| 94 | |
| 95 | targets += zoffset.h |
| 96 | $(obj)/zoffset.h: $(obj)/compressed/vmlinux FORCE |
| 97 | $(call if_changed,zoffset) |
| 98 | |
Ian Campbell | 099e137 | 2008-02-13 20:54:58 +0000 | [diff] [blame] | 99 | |
Arnd Bergmann | 58ab5e0 | 2016-06-15 17:45:46 +0200 | [diff] [blame] | 100 | AFLAGS_header.o += -I$(objtree)/$(obj) |
Yinghai Lu | 67b6662 | 2016-04-28 17:09:06 -0700 | [diff] [blame] | 101 | $(obj)/header.o: $(obj)/zoffset.h |
Ian Campbell | 099e137 | 2008-02-13 20:54:58 +0000 | [diff] [blame] | 102 | |
Nick Desaulniers | 9d9fc74 | 2022-08-10 15:24:41 -0700 | [diff] [blame] | 103 | LDFLAGS_setup.elf := -m elf_i386 -z noexecstack -T |
H. Peter Anvin | 4fd0696 | 2007-07-11 12:18:56 -0700 | [diff] [blame] | 104 | $(obj)/setup.elf: $(src)/setup.ld $(SETUP_OBJS) FORCE |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 105 | $(call if_changed,ld) |
| 106 | |
H. Peter Anvin | 4fd0696 | 2007-07-11 12:18:56 -0700 | [diff] [blame] | 107 | OBJCOPYFLAGS_setup.bin := -O binary |
H. Peter Anvin | 4fd0696 | 2007-07-11 12:18:56 -0700 | [diff] [blame] | 108 | $(obj)/setup.bin: $(obj)/setup.elf FORCE |
| 109 | $(call if_changed,objcopy) |
| 110 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 111 | $(obj)/compressed/vmlinux: FORCE |
Paul Bolle | d960c9c | 2008-10-04 21:18:51 +0200 | [diff] [blame] | 112 | $(Q)$(MAKE) $(build)=$(obj)/compressed $@ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 113 | |
H. Peter Anvin | f9c5107 | 2009-03-12 12:50:33 -0700 | [diff] [blame] | 114 | # Set this if you want to pass append arguments to the |
| 115 | # bzdisk/fdimage/isoimage kernel |
H. Peter Anvin | f0be6c6 | 2008-02-04 16:48:00 +0100 | [diff] [blame] | 116 | FDARGS = |
H. Peter Anvin | f9c5107 | 2009-03-12 12:50:33 -0700 | [diff] [blame] | 117 | # Set this if you want an initrd included with the |
| 118 | # bzdisk/fdimage/isoimage kernel |
H. Peter Anvin | 841b8a4 | 2006-03-26 01:36:59 -0800 | [diff] [blame] | 119 | FDINITRD = |
| 120 | |
| 121 | image_cmdline = default linux $(FDARGS) $(if $(FDINITRD),initrd=initrd.img,) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 |
H. Peter Anvin | f9c5107 | 2009-03-12 12:50:33 -0700 | [diff] [blame] | 127 | bzdisk: $(obj)/bzImage $(obj)/mtools.conf |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 128 | MTOOLSRC=$(obj)/mtools.conf mformat a: ; sync |
| 129 | syslinux /dev/fd0 ; sync |
H. Peter Anvin | 841b8a4 | 2006-03-26 01:36:59 -0800 | [diff] [blame] | 130 | echo '$(image_cmdline)' | \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 131 | MTOOLSRC=$(src)/mtools.conf mcopy - a:syslinux.cfg |
H. Peter Anvin | 841b8a4 | 2006-03-26 01:36:59 -0800 | [diff] [blame] | 132 | if [ -f '$(FDINITRD)' ] ; then \ |
| 133 | MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' a:initrd.img ; \ |
| 134 | fi |
H. Peter Anvin | f9c5107 | 2009-03-12 12:50:33 -0700 | [diff] [blame] | 135 | MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage a:linux ; sync |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 136 | |
| 137 | # These require being root or having syslinux 2.02 or higher installed |
H. Peter Anvin | f9c5107 | 2009-03-12 12:50:33 -0700 | [diff] [blame] | 138 | fdimage fdimage144: $(obj)/bzImage $(obj)/mtools.conf |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 |
H. Peter Anvin | 841b8a4 | 2006-03-26 01:36:59 -0800 | [diff] [blame] | 142 | echo '$(image_cmdline)' | \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 143 | MTOOLSRC=$(obj)/mtools.conf mcopy - v:syslinux.cfg |
H. Peter Anvin | 841b8a4 | 2006-03-26 01:36:59 -0800 | [diff] [blame] | 144 | if [ -f '$(FDINITRD)' ] ; then \ |
| 145 | MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' v:initrd.img ; \ |
| 146 | fi |
H. Peter Anvin | f9c5107 | 2009-03-12 12:50:33 -0700 | [diff] [blame] | 147 | MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage v:linux ; sync |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 148 | |
H. Peter Anvin | f9c5107 | 2009-03-12 12:50:33 -0700 | [diff] [blame] | 149 | fdimage288: $(obj)/bzImage $(obj)/mtools.conf |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 |
H. Peter Anvin | 841b8a4 | 2006-03-26 01:36:59 -0800 | [diff] [blame] | 153 | echo '$(image_cmdline)' | \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 154 | MTOOLSRC=$(obj)/mtools.conf mcopy - w:syslinux.cfg |
H. Peter Anvin | 841b8a4 | 2006-03-26 01:36:59 -0800 | [diff] [blame] | 155 | if [ -f '$(FDINITRD)' ] ; then \ |
| 156 | MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' w:initrd.img ; \ |
| 157 | fi |
H. Peter Anvin | f9c5107 | 2009-03-12 12:50:33 -0700 | [diff] [blame] | 158 | MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage w:linux ; sync |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 159 | |
H. Peter Anvin | f9c5107 | 2009-03-12 12:50:33 -0700 | [diff] [blame] | 160 | isoimage: $(obj)/bzImage |
H. Peter Anvin | 841b8a4 | 2006-03-26 01:36:59 -0800 | [diff] [blame] | 161 | -rm -rf $(obj)/isoimage |
| 162 | mkdir $(obj)/isoimage |
Andi Kleen | bf66025 | 2006-06-26 13:58:41 +0200 | [diff] [blame] | 163 | for i in lib lib64 share end ; do \ |
| 164 | if [ -f /usr/$$i/syslinux/isolinux.bin ] ; then \ |
| 165 | cp /usr/$$i/syslinux/isolinux.bin $(obj)/isoimage ; \ |
H. Peter Anvin | 9c77679 | 2016-04-05 17:01:33 -0700 | [diff] [blame] | 166 | if [ -f /usr/$$i/syslinux/ldlinux.c32 ]; then \ |
| 167 | cp /usr/$$i/syslinux/ldlinux.c32 $(obj)/isoimage ; \ |
| 168 | fi ; \ |
Andi Kleen | bf66025 | 2006-06-26 13:58:41 +0200 | [diff] [blame] | 169 | break ; \ |
| 170 | fi ; \ |
| 171 | if [ $$i = end ] ; then exit 1 ; fi ; \ |
| 172 | done |
H. Peter Anvin | f9c5107 | 2009-03-12 12:50:33 -0700 | [diff] [blame] | 173 | cp $(obj)/bzImage $(obj)/isoimage/linux |
H. Peter Anvin | 841b8a4 | 2006-03-26 01:36:59 -0800 | [diff] [blame] | 174 | echo '$(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 |
H. Peter Anvin | d2f3738 | 2008-09-05 21:28:27 -0700 | [diff] [blame] | 181 | isohybrid $(obj)/image.iso 2>/dev/null || true |
H. Peter Anvin | 841b8a4 | 2006-03-26 01:36:59 -0800 | [diff] [blame] | 182 | rm -rf $(obj)/isoimage |
| 183 | |
H. Peter Anvin | f9c5107 | 2009-03-12 12:50:33 -0700 | [diff] [blame] | 184 | bzlilo: $(obj)/bzImage |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 |
H. Peter Anvin | f9c5107 | 2009-03-12 12:50:33 -0700 | [diff] [blame] | 187 | cat $(obj)/bzImage > $(INSTALL_PATH)/vmlinuz |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 188 | cp System.map $(INSTALL_PATH)/ |
| 189 | if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi |
| 190 | |
H. Peter Anvin | 0d20bab | 2006-01-07 17:38:39 -0800 | [diff] [blame] | 191 | install: |
H. Peter Anvin | f9c5107 | 2009-03-12 12:50:33 -0700 | [diff] [blame] | 192 | sh $(srctree)/$(src)/install.sh $(KERNELRELEASE) $(obj)/bzImage \ |
| 193 | System.map "$(INSTALL_PATH)" |