i386: move boot

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 171 insertions, 0 deletions

diff --git a/arch/x86/boot/Makefile b/arch/x86/boot/Makefile
new file mode 100644
index 000000000000..cb1035f2b7e9
--- /dev/null
+++ b/arch/x86/boot/Makefile
@@ -0,0 +1,171 @@
+#
+# arch/x86/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)"