| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 1 | # |
| 2 | # arch/i386/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 | # |
| 10 | |
| 11 | # ROOT_DEV specifies the default root-device when making the image. |
| 12 | # This can be either FLOPPY, CURRENT, /dev/xxxx or empty, in which case |
| 13 | # the default of FLOPPY is used by 'build'. |
| 14 | |
| 15 | ROOT_DEV := CURRENT |
| 16 | |
| 17 | # If you want to preset the SVGA mode, uncomment the next line and |
| 18 | # set SVGA_MODE to whatever number you want. |
| 19 | # Set it to -DSVGA_MODE=NORMAL_VGA if you just want the EGA/VGA mode. |
| 20 | # The number is the same as you would ordinarily press at bootup. |
| 21 | |
| 22 | SVGA_MODE := -DSVGA_MODE=NORMAL_VGA |
| 23 | |
| 24 | # If you want the RAM disk device, define this to be the size in blocks. |
| 25 | |
| 26 | #RAMDISK := -DRAMDISK=512 |
| 27 | |
| 28 | targets := vmlinux.bin bootsect bootsect.o setup setup.o \ |
| 29 | zImage bzImage |
| 30 | subdir- := compressed |
| 31 | |
| 32 | hostprogs-y := tools/build |
| 33 | |
| 34 | HOSTCFLAGS_build.o := $(LINUXINCLUDE) |
| 35 | |
| 36 | # --------------------------------------------------------------------------- |
| 37 | |
| 38 | $(obj)/zImage: IMAGE_OFFSET := 0x1000 |
| 39 | $(obj)/zImage: EXTRA_AFLAGS := -traditional $(SVGA_MODE) $(RAMDISK) |
| 40 | $(obj)/bzImage: IMAGE_OFFSET := 0x100000 |
| 41 | $(obj)/bzImage: EXTRA_AFLAGS := -traditional $(SVGA_MODE) $(RAMDISK) -D__BIG_KERNEL__ |
| 42 | $(obj)/bzImage: BUILDFLAGS := -b |
| 43 | |
| 44 | quiet_cmd_image = BUILD $@ |
| 45 | cmd_image = $(obj)/tools/build $(BUILDFLAGS) $(obj)/bootsect $(obj)/setup \ |
| 46 | $(obj)/vmlinux.bin $(ROOT_DEV) > $@ |
| 47 | |
| 48 | $(obj)/zImage $(obj)/bzImage: $(obj)/bootsect $(obj)/setup \ |
| 49 | $(obj)/vmlinux.bin $(obj)/tools/build FORCE |
| 50 | $(call if_changed,image) |
| 51 | @echo 'Kernel: $@ is ready' |
| 52 | |
| 53 | $(obj)/vmlinux.bin: $(obj)/compressed/vmlinux FORCE |
| 54 | $(call if_changed,objcopy) |
| 55 | |
| 56 | LDFLAGS_bootsect := -Ttext 0x0 -s --oformat binary |
| 57 | LDFLAGS_setup := -Ttext 0x0 -s --oformat binary -e begtext |
| 58 | |
| 59 | $(obj)/setup $(obj)/bootsect: %: %.o FORCE |
| 60 | $(call if_changed,ld) |
| 61 | |
| 62 | $(obj)/compressed/vmlinux: FORCE |
| 63 | $(Q)$(MAKE) $(build)=$(obj)/compressed IMAGE_OFFSET=$(IMAGE_OFFSET) $@ |
| 64 | |
| 65 | # Set this if you want to pass append arguments to the zdisk/fdimage kernel |
| 66 | FDARGS = |
| 67 | |
| 68 | $(obj)/mtools.conf: $(src)/mtools.conf.in |
| 69 | sed -e 's|@OBJ@|$(obj)|g' < $< > $@ |
| 70 | |
| 71 | # This requires write access to /dev/fd0 |
| 72 | zdisk: $(BOOTIMAGE) $(obj)/mtools.conf |
| 73 | MTOOLSRC=$(obj)/mtools.conf mformat a: ; sync |
| 74 | syslinux /dev/fd0 ; sync |
| 75 | echo 'default linux $(FDARGS)' | \ |
| 76 | MTOOLSRC=$(src)/mtools.conf mcopy - a:syslinux.cfg |
| 77 | MTOOLSRC=$(obj)/mtools.conf mcopy $(BOOTIMAGE) a:linux ; sync |
| 78 | |
| 79 | # These require being root or having syslinux 2.02 or higher installed |
| 80 | fdimage fdimage144: $(BOOTIMAGE) $(obj)/mtools.conf |
| 81 | dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=1440 |
| 82 | MTOOLSRC=$(obj)/mtools.conf mformat v: ; sync |
| 83 | syslinux $(obj)/fdimage ; sync |
| 84 | echo 'default linux $(FDARGS)' | \ |
| 85 | MTOOLSRC=$(obj)/mtools.conf mcopy - v:syslinux.cfg |
| 86 | MTOOLSRC=$(obj)/mtools.conf mcopy $(BOOTIMAGE) v:linux ; sync |
| 87 | |
| 88 | fdimage288: $(BOOTIMAGE) $(obj)/mtools.conf |
| 89 | dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=2880 |
| 90 | MTOOLSRC=$(obj)/mtools.conf mformat w: ; sync |
| 91 | syslinux $(obj)/fdimage ; sync |
| 92 | echo 'default linux $(FDARGS)' | \ |
| 93 | MTOOLSRC=$(obj)/mtools.conf mcopy - w:syslinux.cfg |
| 94 | MTOOLSRC=$(obj)/mtools.conf mcopy $(BOOTIMAGE) w:linux ; sync |
| 95 | |
| 96 | zlilo: $(BOOTIMAGE) |
| 97 | if [ -f $(INSTALL_PATH)/vmlinuz ]; then mv $(INSTALL_PATH)/vmlinuz $(INSTALL_PATH)/vmlinuz.old; fi |
| 98 | if [ -f $(INSTALL_PATH)/System.map ]; then mv $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi |
| 99 | cat $(BOOTIMAGE) > $(INSTALL_PATH)/vmlinuz |
| 100 | cp System.map $(INSTALL_PATH)/ |
| 101 | if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi |
| 102 | |
| 103 | install: $(BOOTIMAGE) |
| 104 | sh $(srctree)/$(src)/install.sh $(KERNELRELEASE) $< System.map "$(INSTALL_PATH)" |