![Sam Ravnborg](/assets/img/avatar_default.png)
Keep the arch/i386/boot directory from being rebuilt every time. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
172 lines
6 KiB
Makefile
172 lines
6 KiB
Makefile
#
|
|
# 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 setup.bin setup.elf zImage bzImage
|
|
subdir- := compressed
|
|
|
|
setup-y += a20.o apm.o cmdline.o copy.o cpu.o cpucheck.o edd.o
|
|
setup-y += header.o main.o mca.o memory.o pm.o pmjump.o
|
|
setup-y += printf.o string.o tty.o video.o version.o voyager.o
|
|
|
|
# The link order of the video-*.o modules can matter. In particular,
|
|
# video-vga.o *must* be listed first, followed by video-vesa.o.
|
|
# Hardware-specific drivers should follow in the order they should be
|
|
# probed, and video-bios.o should typically be last.
|
|
setup-y += video-vga.o
|
|
setup-y += video-vesa.o
|
|
setup-y += video-bios.o
|
|
targets += $(setup-y)
|
|
hostprogs-y := tools/build
|
|
|
|
HOSTCFLAGS_build.o := $(LINUXINCLUDE)
|
|
|
|
# ---------------------------------------------------------------------------
|
|
|
|
# How to compile the 16-bit code. Note we always compile for -march=i386,
|
|
# that way we can complain to the user if the CPU is insufficient.
|
|
cflags-i386 :=
|
|
cflags-x86_64 := -m32
|
|
CFLAGS := $(LINUXINCLUDE) -g -Os -D_SETUP -D__KERNEL__ \
|
|
$(cflags-$(ARCH)) \
|
|
-Wall -Wstrict-prototypes \
|
|
-march=i386 -mregparm=3 \
|
|
-include $(srctree)/$(src)/code16gcc.h \
|
|
-fno-strict-aliasing -fomit-frame-pointer \
|
|
$(call cc-option, -ffreestanding) \
|
|
$(call cc-option, -fno-toplevel-reorder,\
|
|
$(call cc-option, -fno-unit-at-a-time)) \
|
|
$(call cc-option, -fno-stack-protector) \
|
|
$(call cc-option, -mpreferred-stack-boundary=2)
|
|
AFLAGS := $(CFLAGS) -D__ASSEMBLY__
|
|
|
|
$(obj)/zImage: IMAGE_OFFSET := 0x1000
|
|
$(obj)/zImage: EXTRA_AFLAGS := $(SVGA_MODE) $(RAMDISK)
|
|
$(obj)/bzImage: IMAGE_OFFSET := 0x100000
|
|
$(obj)/bzImage: EXTRA_CFLAGS := -D__BIG_KERNEL__
|
|
$(obj)/bzImage: EXTRA_AFLAGS := $(SVGA_MODE) $(RAMDISK) -D__BIG_KERNEL__
|
|
$(obj)/bzImage: BUILDFLAGS := -b
|
|
|
|
quiet_cmd_image = BUILD $@
|
|
cmd_image = $(obj)/tools/build $(BUILDFLAGS) $(obj)/setup.bin \
|
|
$(obj)/vmlinux.bin $(ROOT_DEV) > $@
|
|
|
|
$(obj)/zImage $(obj)/bzImage: $(obj)/setup.bin \
|
|
$(obj)/vmlinux.bin $(obj)/tools/build FORCE
|
|
$(call if_changed,image)
|
|
@echo 'Kernel: $@ is ready' ' (#'`cat .version`')'
|
|
|
|
$(obj)/vmlinux.bin: $(obj)/compressed/vmlinux FORCE
|
|
$(call if_changed,objcopy)
|
|
|
|
SETUP_OBJS = $(addprefix $(obj)/,$(setup-y))
|
|
|
|
LDFLAGS_setup.elf := -T
|
|
$(obj)/setup.elf: $(src)/setup.ld $(SETUP_OBJS) FORCE
|
|
$(call if_changed,ld)
|
|
|
|
OBJCOPYFLAGS_setup.bin := -O binary
|
|
|
|
$(obj)/setup.bin: $(obj)/setup.elf FORCE
|
|
$(call if_changed,objcopy)
|
|
|
|
$(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/isoimage kernel
|
|
FDARGS =
|
|
# Set this if you want an initrd included with the zdisk/fdimage/isoimage kernel
|
|
FDINITRD =
|
|
|
|
image_cmdline = default linux $(FDARGS) $(if $(FDINITRD),initrd=initrd.img,)
|
|
|
|
$(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 '$(image_cmdline)' | \
|
|
MTOOLSRC=$(src)/mtools.conf mcopy - a:syslinux.cfg
|
|
if [ -f '$(FDINITRD)' ] ; then \
|
|
MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' a:initrd.img ; \
|
|
fi
|
|
MTOOLSRC=$(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 $(obj)/fdimage ; sync
|
|
echo '$(image_cmdline)' | \
|
|
MTOOLSRC=$(obj)/mtools.conf mcopy - v:syslinux.cfg
|
|
if [ -f '$(FDINITRD)' ] ; then \
|
|
MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' v:initrd.img ; \
|
|
fi
|
|
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 $(obj)/fdimage ; sync
|
|
echo '$(image_cmdline)' | \
|
|
MTOOLSRC=$(obj)/mtools.conf mcopy - w:syslinux.cfg
|
|
if [ -f '$(FDINITRD)' ] ; then \
|
|
MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' w:initrd.img ; \
|
|
fi
|
|
MTOOLSRC=$(obj)/mtools.conf mcopy $(BOOTIMAGE) w:linux ; sync
|
|
|
|
isoimage: $(BOOTIMAGE)
|
|
-rm -rf $(obj)/isoimage
|
|
mkdir $(obj)/isoimage
|
|
for i in lib lib64 share end ; do \
|
|
if [ -f /usr/$$i/syslinux/isolinux.bin ] ; then \
|
|
cp /usr/$$i/syslinux/isolinux.bin $(obj)/isoimage ; \
|
|
break ; \
|
|
fi ; \
|
|
if [ $$i = end ] ; then exit 1 ; fi ; \
|
|
done
|
|
cp $(BOOTIMAGE) $(obj)/isoimage/linux
|
|
echo '$(image_cmdline)' > $(obj)/isoimage/isolinux.cfg
|
|
if [ -f '$(FDINITRD)' ] ; then \
|
|
cp '$(FDINITRD)' $(obj)/isoimage/initrd.img ; \
|
|
fi
|
|
mkisofs -J -r -o $(obj)/image.iso -b isolinux.bin -c boot.cat \
|
|
-no-emul-boot -boot-load-size 4 -boot-info-table \
|
|
$(obj)/isoimage
|
|
rm -rf $(obj)/isoimage
|
|
|
|
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:
|
|
sh $(srctree)/$(src)/install.sh $(KERNELRELEASE) $(BOOTIMAGE) System.map "$(INSTALL_PATH)"
|