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#
# arch/i386/boot/Makefile
#
# This file is subject to the terms and conditions of the GNU General Public
# License. See the file "COPYING" in the main directory of this archive
# for more details.
#
# Copyright (C) 1994 by Linus Torvalds
#
# ROOT_DEV specifies the default root-device when making the image.
# This can be either FLOPPY, CURRENT, /dev/xxxx or empty, in which case
# the default of FLOPPY is used by 'build'.
ROOT_DEV := CURRENT
# If you want to preset the SVGA mode, uncomment the next line and
# set SVGA_MODE to whatever number you want.
# Set it to -DSVGA_MODE=NORMAL_VGA if you just want the EGA/VGA mode.
# The number is the same as you would ordinarily press at bootup.
SVGA_MODE := -DSVGA_MODE=NORMAL_VGA
# If you want the RAM disk device, define this to be the size in blocks.
#RAMDISK := -DRAMDISK=512
targets := vmlinux.bin bootsect bootsect.o setup setup.o \
zImage bzImage
subdir- := compressed
hostprogs-y := tools/build
HOSTCFLAGS_build.o := $(LINUXINCLUDE)
# ---------------------------------------------------------------------------
$(obj)/zImage: IMAGE_OFFSET := 0x1000
$(obj)/zImage: EXTRA_AFLAGS := -traditional $(SVGA_MODE) $(RAMDISK)
$(obj)/bzImage: IMAGE_OFFSET := 0x100000
$(obj)/bzImage: EXTRA_AFLAGS := -traditional $(SVGA_MODE) $(RAMDISK) -D__BIG_KERNEL__
$(obj)/bzImage: BUILDFLAGS := -b
quiet_cmd_image = BUILD $@
cmd_image = $(obj)/tools/build $(BUILDFLAGS) $(obj)/bootsect $(obj)/setup \
$(obj)/vmlinux.bin $(ROOT_DEV) > $@
$(obj)/zImage $(obj)/bzImage: $(obj)/bootsect $(obj)/setup \
$(obj)/vmlinux.bin $(obj)/tools/build FORCE
$(call if_changed,image)
@echo 'Kernel: $@ is ready'
$(obj)/vmlinux.bin: $(obj)/compressed/vmlinux FORCE
$(call if_changed,objcopy)
LDFLAGS_bootsect := -Ttext 0x0 -s --oformat binary
LDFLAGS_setup := -Ttext 0x0 -s --oformat binary -e begtext
$(obj)/setup $(obj)/bootsect: %: %.o FORCE
$(call if_changed,ld)
$(obj)/compressed/vmlinux: FORCE
$(Q)$(MAKE) $(build)=$(obj)/compressed IMAGE_OFFSET=$(IMAGE_OFFSET) $@
# Set this if you want to pass append arguments to the zdisk/fdimage kernel
FDARGS =
$(obj)/mtools.conf: $(src)/mtools.conf.in
sed -e 's|@OBJ@|$(obj)|g' < $< > $@
# This requires write access to /dev/fd0
zdisk: $(BOOTIMAGE) $(obj)/mtools.conf
MTOOLSRC=$(obj)/mtools.conf mformat a: ; sync
syslinux /dev/fd0 ; sync
echo 'default linux $(FDARGS)' | \
MTOOLSRC=$(src)/mtools.conf mcopy - a:syslinux.cfg
MTOOLSRC=$(obj)/mtools.conf mcopy $(BOOTIMAGE) a:linux ; sync
# These require being root or having syslinux 2.02 or higher installed
fdimage fdimage144: $(BOOTIMAGE) $(obj)/mtools.conf
dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=1440
MTOOLSRC=$(obj)/mtools.conf mformat v: ; sync
syslinux $(obj)/fdimage ; sync
echo 'default linux $(FDARGS)' | \
MTOOLSRC=$(obj)/mtools.conf mcopy - v:syslinux.cfg
MTOOLSRC=$(obj)/mtools.conf mcopy $(BOOTIMAGE) v:linux ; sync
fdimage288: $(BOOTIMAGE) $(obj)/mtools.conf
dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=2880
MTOOLSRC=$(obj)/mtools.conf mformat w: ; sync
syslinux $(obj)/fdimage ; sync
echo 'default linux $(FDARGS)' | \
MTOOLSRC=$(obj)/mtools.conf mcopy - w:syslinux.cfg
MTOOLSRC=$(obj)/mtools.conf mcopy $(BOOTIMAGE) w:linux ; sync
zlilo: $(BOOTIMAGE)
if [ -f $(INSTALL_PATH)/vmlinuz ]; then mv $(INSTALL_PATH)/vmlinuz $(INSTALL_PATH)/vmlinuz.old; fi
if [ -f $(INSTALL_PATH)/System.map ]; then mv $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi
cat $(BOOTIMAGE) > $(INSTALL_PATH)/vmlinuz
cp System.map $(INSTALL_PATH)/
if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi
install: $(BOOTIMAGE)
sh $(srctree)/$(src)/install.sh $(KERNELRELEASE) $< System.map "$(INSTALL_PATH)"
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