Use the new x86 setup code for x86-64; unify with i386

#

# arch/x86_64/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 bzImage mtools.conf

EXTRA_CFLAGS := -m32

hostprogs-y	:= tools/build

HOST_EXTRACFLAGS += $(LINUXINCLUDE)

subdir-		:= compressed/	#Let make clean descend in compressed/

# ---------------------------------------------------------------------------

$(obj)/bzImage: IMAGE_OFFSET := 0x100000

$(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)/bootsect $(obj)/setup \

	    $(obj)/vmlinux.bin $(ROOT_DEV) > $@

$(obj)/bzImage: $(obj)/bootsect $(obj)/setup \

			      $(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)

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/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=$(obj)/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

# The actual boot code is shared with i386 including the Makefile.

# So tell kbuild that we fetch the code from i386 and include the

# Makefile from i386 too.

install:

	sh $(srctree)/$(src)/install.sh $(KERNELRELEASE) $(BOOTIMAGE) System.map "$(INSTALL_PATH)"

src := arch/i386/boot

include $(src)/Makefile

/*

 *	bootsect.S		Copyright (C) 1991, 1992 Linus Torvalds

 *

 *	modified by Drew Eckhardt

 *	modified by Bruce Evans (bde)

 *	modified by Chris Noe (May 1999) (as86 -> gas)

 *	gutted by H. Peter Anvin (Jan 2003)

 *

 * BIG FAT NOTE: We're in real mode using 64k segments.  Therefore segment

 * addresses must be multiplied by 16 to obtain their respective linear

 * addresses. To avoid confusion, linear addresses are written using leading

 * hex while segment addresses are written as segment:offset.

 *

 */

#include <asm/boot.h>

SETUPSECTS	= 4			/* default nr of setup-sectors */

BOOTSEG		= 0x07C0		/* original address of boot-sector */

INITSEG		= DEF_INITSEG		/* we move boot here - out of the way */

SETUPSEG	= DEF_SETUPSEG		/* setup starts here */

SYSSEG		= DEF_SYSSEG		/* system loaded at 0x10000 (65536) */

SYSSIZE		= DEF_SYSSIZE		/* system size: # of 16-byte clicks */

					/* to be loaded */

ROOT_DEV	= 0 			/* ROOT_DEV is now written by "build" */

SWAP_DEV	= 0			/* SWAP_DEV is now written by "build" */

#ifndef SVGA_MODE

#define SVGA_MODE ASK_VGA

#endif

#ifndef RAMDISK

#define RAMDISK 0

#endif

#ifndef ROOT_RDONLY

#define ROOT_RDONLY 1

#endif

.code16

.text

.global _start

_start:

	# Normalize the start address

	jmpl	$BOOTSEG, $start2

start2:

	movw	%cs, %ax

	movw	%ax, %ds

	movw	%ax, %es

	movw	%ax, %ss

	movw	$0x7c00, %sp

	sti

	cld

	movw	$bugger_off_msg, %si

msg_loop:

	lodsb

	andb	%al, %al

	jz	die

	movb	$0xe, %ah

	movw	$7, %bx

	int	$0x10

	jmp	msg_loop

die:

	# Allow the user to press a key, then reboot

	xorw	%ax, %ax

	int	$0x16

	int	$0x19

	# int 0x19 should never return.  In case it does anyway,

	# invoke the BIOS reset code...

	ljmp	$0xf000,$0xfff0

bugger_off_msg:

	.ascii	"Direct booting from floppy is no longer supported.\r\n"

	.ascii	"Please use a boot loader program instead.\r\n"

	.ascii	"\n"

	.ascii	"Remove disk and press any key to reboot . . .\r\n"

	.byte	0

	# Kernel attributes; used by setup

	.org 497

setup_sects:	.byte SETUPSECTS

root_flags:	.word ROOT_RDONLY

syssize:	.word SYSSIZE

swap_dev:	.word SWAP_DEV

ram_size:	.word RAMDISK

vid_mode:	.word SVGA_MODE

root_dev:	.word ROOT_DEV

boot_flag:	.word 0xAA55

#

targets		:= vmlinux vmlinux.bin vmlinux.bin.gz head.o misc.o piggy.o

EXTRA_AFLAGS	:= -traditional

# cannot use EXTRA_CFLAGS because base CFLAGS contains -mkernel which conflicts with

# -m32

CFLAGS := -m64 -D__KERNEL__ -Iinclude -O2  -fno-strict-aliasing -fPIC -mcmodel=small -fno-builtin

CFLAGS := -m64 -D__KERNEL__ $(LINUXINCLUDE) -O2  \

	  -fno-strict-aliasing -fPIC -mcmodel=small \

	   $(call cc-option, -ffreestanding) \

	   $(call cc-option, -fno-stack-protector)

AFLAGS  := $(CFLAGS) -D__ASSEMBLY__

LDFLAGS := -m elf_x86_64

LDFLAGS_vmlinux := -T

#!/bin/sh

. $srctree/arch/i386/boot/install.sh

#

# mtools configuration file for "make (b)zdisk"

#

# Actual floppy drive

drive a:

  file="/dev/fd0"

# 1.44 MB floppy disk image

drive v:

  file="@OBJ@/fdimage" cylinders=80 heads=2 sectors=18 filter

# 2.88 MB floppy disk image (mostly for virtual uses)

drive w:

  file="@OBJ@/fdimage" cylinders=80 heads=2 sectors=36 filter