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 | |
| 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 | |
H. Peter Anvin | 5e47c47 | 2009-03-11 10:55:33 -0700 | [diff] [blame] | 16 | ROOT_DEV := CURRENT |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
H. Peter Anvin | 5e47c47 | 2009-03-11 10:55:33 -0700 | [diff] [blame] | 23 | SVGA_MODE := -DSVGA_MODE=NORMAL_VGA |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | |
H. Peter Anvin | 5e47c47 | 2009-03-11 10:55:33 -0700 | [diff] [blame] | 25 | targets := vmlinux.bin setup.bin setup.elf bzImage |
H. Peter Anvin | 16a6791 | 2009-03-12 13:43:14 -0700 | [diff] [blame] | 26 | targets += fdimage fdimage144 fdimage288 image.iso mtools.conf |
H. Peter Anvin | f0be6c6 | 2008-02-04 16:48:00 +0100 | [diff] [blame] | 27 | subdir- := compressed |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 28 | |
H. Peter Anvin | 7a734e7 | 2009-04-01 18:08:28 -0700 | [diff] [blame] | 29 | setup-y += a20.o bioscall.o cmdline.o copy.o cpu.o cpucheck.o edd.o |
H. Peter Anvin | 4fd0696 | 2007-07-11 12:18:56 -0700 | [diff] [blame] | 30 | setup-y += header.o main.o mca.o memory.o pm.o pmjump.o |
H. Peter Anvin | 7a734e7 | 2009-04-01 18:08:28 -0700 | [diff] [blame] | 31 | setup-y += printf.o regs.o string.o tty.o video.o video-mode.o |
| 32 | setup-y += version.o |
Andi Kleen | a6b6807 | 2008-01-30 13:32:49 +0100 | [diff] [blame] | 33 | setup-$(CONFIG_X86_APM_BOOT) += apm.o |
H. Peter Anvin | 4fd0696 | 2007-07-11 12:18:56 -0700 | [diff] [blame] | 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 |
H. Peter Anvin | 30c8264 | 2007-10-15 17:13:22 -0700 | [diff] [blame] | 42 | |
Sam Ravnborg | 3fbc541 | 2007-07-17 22:27:22 +0200 | [diff] [blame] | 43 | targets += $(setup-y) |
H. Peter Anvin | f0be6c6 | 2008-02-04 16:48:00 +0100 | [diff] [blame] | 44 | hostprogs-y := mkcpustr tools/build |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 45 | |
H. Peter Anvin | f0be6c6 | 2008-02-04 16:48:00 +0100 | [diff] [blame] | 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) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 55 | |
| 56 | # --------------------------------------------------------------------------- |
| 57 | |
H. Peter Anvin | 4fd0696 | 2007-07-11 12:18:56 -0700 | [diff] [blame] | 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. |
Sam Ravnborg | a0f97e0 | 2007-10-14 22:21:35 +0200 | [diff] [blame] | 60 | KBUILD_CFLAGS := $(LINUXINCLUDE) -g -Os -D_SETUP -D__KERNEL__ \ |
H. Peter Anvin | 95a38f3 | 2009-04-01 17:35:00 -0700 | [diff] [blame] | 61 | -DDISABLE_BRANCH_PROFILING \ |
H. Peter Anvin | 4fd0696 | 2007-07-11 12:18:56 -0700 | [diff] [blame] | 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) |
H. Peter Anvin | 95a38f3 | 2009-04-01 17:35:00 -0700 | [diff] [blame] | 71 | KBUILD_CFLAGS += $(call cc-option, -m32) |
Sam Ravnborg | 222d394 | 2007-10-15 21:59:31 +0200 | [diff] [blame] | 72 | KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__ |
Peter Oberparleiter | 7bf99fb | 2009-06-17 16:28:09 -0700 | [diff] [blame^] | 73 | GCOV_PROFILE := n |
H. Peter Anvin | 4fd0696 | 2007-07-11 12:18:56 -0700 | [diff] [blame] | 74 | |
H. Peter Anvin | 5e47c47 | 2009-03-11 10:55:33 -0700 | [diff] [blame] | 75 | $(obj)/bzImage: asflags-y := $(SVGA_MODE) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 76 | |
| 77 | quiet_cmd_image = BUILD $@ |
H. Peter Anvin | 5e47c47 | 2009-03-11 10:55:33 -0700 | [diff] [blame] | 78 | cmd_image = $(obj)/tools/build $(obj)/setup.bin $(obj)/vmlinux.bin \ |
| 79 | $(ROOT_DEV) > $@ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 80 | |
H. Peter Anvin | 5e47c47 | 2009-03-11 10:55:33 -0700 | [diff] [blame] | 81 | $(obj)/bzImage: $(obj)/setup.bin $(obj)/vmlinux.bin $(obj)/tools/build FORCE |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 82 | $(call if_changed,image) |
Coywolf Qi Hunt | 2894801 | 2005-06-21 17:15:15 -0700 | [diff] [blame] | 83 | @echo 'Kernel: $@ is ready' ' (#'`cat .version`')' |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 84 | |
Ian Campbell | 1622ac2 | 2008-02-04 16:47:56 +0100 | [diff] [blame] | 85 | OBJCOPYFLAGS_vmlinux.bin := -O binary -R .note -R .comment -S |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 86 | $(obj)/vmlinux.bin: $(obj)/compressed/vmlinux FORCE |
| 87 | $(call if_changed,objcopy) |
| 88 | |
H. Peter Anvin | 4fd0696 | 2007-07-11 12:18:56 -0700 | [diff] [blame] | 89 | SETUP_OBJS = $(addprefix $(obj)/,$(setup-y)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 90 | |
H. Peter Anvin | 77d1a49 | 2009-05-11 14:21:12 -0700 | [diff] [blame] | 91 | sed-voffset := -e 's/^\([0-9a-fA-F]*\) . \(_text\|_end\)$$/\#define VO_\2 0x\1/p' |
Ian Campbell | 099e137 | 2008-02-13 20:54:58 +0000 | [diff] [blame] | 92 | |
H. Peter Anvin | 77d1a49 | 2009-05-11 14:21:12 -0700 | [diff] [blame] | 93 | quiet_cmd_voffset = VOFFSET $@ |
| 94 | cmd_voffset = $(NM) $< | sed -n $(sed-voffset) > $@ |
Ian Campbell | 099e137 | 2008-02-13 20:54:58 +0000 | [diff] [blame] | 95 | |
H. Peter Anvin | 77d1a49 | 2009-05-11 14:21:12 -0700 | [diff] [blame] | 96 | targets += voffset.h |
| 97 | $(obj)/voffset.h: vmlinux FORCE |
| 98 | $(call if_changed,voffset) |
Ian Campbell | 099e137 | 2008-02-13 20:54:58 +0000 | [diff] [blame] | 99 | |
H. Peter Anvin | c6ac4c1 | 2009-05-20 11:26:09 -0700 | [diff] [blame] | 100 | sed-zoffset := -e 's/^\([0-9a-fA-F]*\) . \(startup_32\|input_data\|_end\|z_.*\)$$/\#define ZO_\2 0x\1/p' |
H. Peter Anvin | 77d1a49 | 2009-05-11 14:21:12 -0700 | [diff] [blame] | 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) |
| 108 | |
Ian Campbell | 099e137 | 2008-02-13 20:54:58 +0000 | [diff] [blame] | 109 | |
| 110 | AFLAGS_header.o += -I$(obj) |
H. Peter Anvin | 77d1a49 | 2009-05-11 14:21:12 -0700 | [diff] [blame] | 111 | $(obj)/header.o: $(obj)/voffset.h $(obj)/zoffset.h |
Ian Campbell | 099e137 | 2008-02-13 20:54:58 +0000 | [diff] [blame] | 112 | |
H. Peter Anvin | 4fd0696 | 2007-07-11 12:18:56 -0700 | [diff] [blame] | 113 | LDFLAGS_setup.elf := -T |
| 114 | $(obj)/setup.elf: $(src)/setup.ld $(SETUP_OBJS) FORCE |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 115 | $(call if_changed,ld) |
| 116 | |
H. Peter Anvin | 4fd0696 | 2007-07-11 12:18:56 -0700 | [diff] [blame] | 117 | OBJCOPYFLAGS_setup.bin := -O binary |
H. Peter Anvin | 4fd0696 | 2007-07-11 12:18:56 -0700 | [diff] [blame] | 118 | $(obj)/setup.bin: $(obj)/setup.elf FORCE |
| 119 | $(call if_changed,objcopy) |
| 120 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 121 | $(obj)/compressed/vmlinux: FORCE |
Paul Bolle | d960c9c | 2008-10-04 21:18:51 +0200 | [diff] [blame] | 122 | $(Q)$(MAKE) $(build)=$(obj)/compressed $@ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 123 | |
H. Peter Anvin | f9c5107 | 2009-03-12 12:50:33 -0700 | [diff] [blame] | 124 | # Set this if you want to pass append arguments to the |
| 125 | # bzdisk/fdimage/isoimage kernel |
H. Peter Anvin | f0be6c6 | 2008-02-04 16:48:00 +0100 | [diff] [blame] | 126 | FDARGS = |
H. Peter Anvin | f9c5107 | 2009-03-12 12:50:33 -0700 | [diff] [blame] | 127 | # Set this if you want an initrd included with the |
| 128 | # bzdisk/fdimage/isoimage kernel |
H. Peter Anvin | 841b8a4 | 2006-03-26 01:36:59 -0800 | [diff] [blame] | 129 | FDINITRD = |
| 130 | |
| 131 | image_cmdline = default linux $(FDARGS) $(if $(FDINITRD),initrd=initrd.img,) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 |
H. Peter Anvin | f9c5107 | 2009-03-12 12:50:33 -0700 | [diff] [blame] | 137 | bzdisk: $(obj)/bzImage $(obj)/mtools.conf |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 138 | MTOOLSRC=$(obj)/mtools.conf mformat a: ; sync |
| 139 | syslinux /dev/fd0 ; sync |
H. Peter Anvin | 841b8a4 | 2006-03-26 01:36:59 -0800 | [diff] [blame] | 140 | echo '$(image_cmdline)' | \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 141 | MTOOLSRC=$(src)/mtools.conf mcopy - a:syslinux.cfg |
H. Peter Anvin | 841b8a4 | 2006-03-26 01:36:59 -0800 | [diff] [blame] | 142 | if [ -f '$(FDINITRD)' ] ; then \ |
| 143 | MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' a:initrd.img ; \ |
| 144 | fi |
H. Peter Anvin | f9c5107 | 2009-03-12 12:50:33 -0700 | [diff] [blame] | 145 | MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage a:linux ; sync |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 146 | |
| 147 | # 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] | 148 | fdimage fdimage144: $(obj)/bzImage $(obj)/mtools.conf |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 |
H. Peter Anvin | 841b8a4 | 2006-03-26 01:36:59 -0800 | [diff] [blame] | 152 | echo '$(image_cmdline)' | \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 153 | MTOOLSRC=$(obj)/mtools.conf mcopy - v:syslinux.cfg |
H. Peter Anvin | 841b8a4 | 2006-03-26 01:36:59 -0800 | [diff] [blame] | 154 | if [ -f '$(FDINITRD)' ] ; then \ |
| 155 | MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' v:initrd.img ; \ |
| 156 | fi |
H. Peter Anvin | f9c5107 | 2009-03-12 12:50:33 -0700 | [diff] [blame] | 157 | MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage v:linux ; sync |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 158 | |
H. Peter Anvin | f9c5107 | 2009-03-12 12:50:33 -0700 | [diff] [blame] | 159 | fdimage288: $(obj)/bzImage $(obj)/mtools.conf |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 |
H. Peter Anvin | 841b8a4 | 2006-03-26 01:36:59 -0800 | [diff] [blame] | 163 | echo '$(image_cmdline)' | \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 164 | MTOOLSRC=$(obj)/mtools.conf mcopy - w:syslinux.cfg |
H. Peter Anvin | 841b8a4 | 2006-03-26 01:36:59 -0800 | [diff] [blame] | 165 | if [ -f '$(FDINITRD)' ] ; then \ |
| 166 | MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' w:initrd.img ; \ |
| 167 | fi |
H. Peter Anvin | f9c5107 | 2009-03-12 12:50:33 -0700 | [diff] [blame] | 168 | MTOOLSRC=$(obj)/mtools.conf mcopy $(obj)/bzImage w:linux ; sync |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 169 | |
H. Peter Anvin | f9c5107 | 2009-03-12 12:50:33 -0700 | [diff] [blame] | 170 | isoimage: $(obj)/bzImage |
H. Peter Anvin | 841b8a4 | 2006-03-26 01:36:59 -0800 | [diff] [blame] | 171 | -rm -rf $(obj)/isoimage |
| 172 | mkdir $(obj)/isoimage |
Andi Kleen | bf66025 | 2006-06-26 13:58:41 +0200 | [diff] [blame] | 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 |
H. Peter Anvin | f9c5107 | 2009-03-12 12:50:33 -0700 | [diff] [blame] | 180 | cp $(obj)/bzImage $(obj)/isoimage/linux |
H. Peter Anvin | 841b8a4 | 2006-03-26 01:36:59 -0800 | [diff] [blame] | 181 | echo '$(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 |
H. Peter Anvin | d2f3738 | 2008-09-05 21:28:27 -0700 | [diff] [blame] | 188 | isohybrid $(obj)/image.iso 2>/dev/null || true |
H. Peter Anvin | 841b8a4 | 2006-03-26 01:36:59 -0800 | [diff] [blame] | 189 | rm -rf $(obj)/isoimage |
| 190 | |
H. Peter Anvin | f9c5107 | 2009-03-12 12:50:33 -0700 | [diff] [blame] | 191 | bzlilo: $(obj)/bzImage |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 |
H. Peter Anvin | f9c5107 | 2009-03-12 12:50:33 -0700 | [diff] [blame] | 194 | cat $(obj)/bzImage > $(INSTALL_PATH)/vmlinuz |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 195 | cp System.map $(INSTALL_PATH)/ |
| 196 | if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi |
| 197 | |
H. Peter Anvin | 0d20bab | 2006-01-07 17:38:39 -0800 | [diff] [blame] | 198 | install: |
H. Peter Anvin | f9c5107 | 2009-03-12 12:50:33 -0700 | [diff] [blame] | 199 | sh $(srctree)/$(src)/install.sh $(KERNELRELEASE) $(obj)/bzImage \ |
| 200 | System.map "$(INSTALL_PATH)" |