xref: /src/distrib/common/bootimage/Makefile.bootimage

#	$NetBSD: Makefile.bootimage,v 1.27 2021/06/04 17:09:36 tsutsui Exp $
#
# Copyright (c) 2009, 2010, 2011 Izumi Tsutsui.  All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#
# Makefile to create a bootable FS image for USB flash or emulators
#

#
# Required variables:
#	RELEASEDIR
#		Should be defined in nbmake-${MACHINE}
#	IMGBASE
#		Basename of the image
#
# Optional variables:
#	USE_MBR
#		set yes if target disk image requires MBR partition
#		(default: no)
#	USE_GPT
#		set yes if target disk image requires GPT partition
#		(default: no)
#	MBR_BOOTCODE
#		optional MBR bootcode which should be installed by fdisk(8)
#		(default: empty)
#		- specified MBR_BOOTCODE must exist in ${DESTDIR}/usr/mdec
#		- if MBR_BOOTCODE is not specified,
#		  MBR_DEFAULT_BOOTCODE (default: mbr) will be used
#		  if the target ${MACHINE} has the one in /usr/mdec
#	USE_SUNLABEL
#		set yes if target disk image requires Sun's label
#		(default: no)
#	INSTALLBOOT_AFTER_DISKLABEL (untested)
#		set yes if the target ${MACHINE} requires disklabel
#		to run installboot(8), like hp300
#		(default: empty)
#	IMAGEMB
#		target image size in MB
#		(default: 2048)
#	SWAPMB
#		swap size in target image in MB
#		(default: 128)
#	EFIMB
#		EFI partition size in target image in MB
#		(default: 128)
#	FATMB
#		FAT partition size in target image in MB
#		(default: 0)
#	KERN_SET
#		kernel set name which should be extracted into image
#		(default: kern-GENERIC)
#	SETS
#		binary sets that should be extracted into image
#		(default: modules base etc comp games man misc rescue tests
#			  text xbase xcomp xetc xfont xserver)
#	SETS_DIR
#		directory path where binary sets are stored
#		(default: ${RELEASEDIR}/${RELEASEMACHINEDIR}/binary/sets)
#	IMGFILE_EXTRA
#		list of additional files to be copied into images,
#		containing one or more tuples of the form:
#			FILE	TARGETPATH
#		for installation image etc.
#		(default: empty)
#	IMGDIR_EXTRA
#		list of additional directories to be copied into images,
#		containing one or more tuples of the form:
#			DIR	TARGETPATH
#		for installation image etc.
#		(default: empty)
#		XXX: currently permissions in IMGDIR_EXTRA are not handled
#	IMGDIR_EXCLUDE
#		pax(1) options to exclude files which should not copied
#		into TARGETPATH in IMGDIR_EXTRA
#		(default: empty)
#	FSTAB_IN
#		template file of /etc/fstab
#		(default: ${DISTRIBDIR}/common/bootimage/fstab.in)
#	SPEC_IN
#		default files of spec file for makefs(8)
#		(default: ${DISTRIBDIR}/common/bootimage/spec.in)
#	SPEC_EXTRA
#		additional files of spec file for makefs(8)
#		(default: empty)
#	IMGMAKEFSOPTIONS
#		options passed to makefs(8) to create root file system
#		(default: -o bsize=16384,fsize=2048,density=8192)
#	INSTALLBOOTOPTIONS
#		options passed to installboot(8), e.g., -o console=com0
#		(default: empty)
#	PRIMARY_BOOT
#		primary boot loader that should be installed into
#		the target image via installboot(8)
#		(default: empty)
#	SECONDARY_BOOT
#		secondary bootloader that should be put into the target image
#		(default: empty)
#	SECONDARY_BOOT_ARG
#		extra arguments that should be passed to installboot(8)
#		to specify the secondary bootloader
#		(default: empty)
#	DISKPROTO_IN
#		template file of disklabel -R
#		(default: ${DISTRIBDIR}/common/bootimage/diskproto.in
#		       or ${DISTRIBDIR}/common/bootimage/diskproto.mbr.in)
#	EFIBOOT
#		EFI bootloader
#		(default: empty)
#	MBRFAT
#		MBR partition type value for FAT
#		(default: 6 ("16-bit FAT, more than 32M"))
#	FATMAKEFSOPTIONS
#		options passed to makefs(8) to create a FAT partition
#		(default: -o fat_type=16)
#	FATFILES
#		list of additional files to be copied into FAT partition
#		(default: empty)
#	IMAGEHOSTNAME
#		if set, sets the default hostname in rc.conf (default: empty)
#

.include <bsd.own.mk> 		#
.include <bsd.endian.mk>	# for TARGET_ENDIANNESS

.include "${NETBSDSRCDIR}/distrib/common/Makefile.distrib"

.if ${MKREPRO_TIMESTAMP:Uno} != "no"
MAKEFS_TIMESTAMP=-T "${MKREPRO_TIMESTAMP}"
GPT_TIMESTAMP=-T "${MKREPRO_TIMESTAMP}"
PAX_TIMESTAMP=--timestamp "${MKREPRO_TIMESTAMP}"
.endif

.if empty(IMGBASE)
.BEGIN:
	@echo "Error: IMGBASE is not set"
	@false
.endif

# should be defined elsewhere? 
CAT?=		cat
CHMOD?=		chmod
DD?=		dd
MKDIR?=		mkdir -p
RM?=		rm

#
# common definitions for image
#
USE_MBR?=	no
USE_GPT?=	no
USE_GPTMBR?=	no
USE_SUNLABEL?=	no
INSTALLBOOT_AFTER_DISKLABEL?=	no

#
# size parameters for image
#
IMAGEMB?=	2048		# 2048MB
SWAPMB?=	128		# 128MB
.if ${USE_GPT} == "no"
EFIMB?=		0
GPTSECTORS=	0
.else
EFIMB?=		128		# 128MB
GPTSECTORS=	2048
.endif
FATMB?=		0

# XXX: SWAPMB could be zero and expr(1) returns exit status 1 in that case
IMAGESECTORS!=	expr ${IMAGEMB} \* 1024 \* 1024 / 512
SWAPSECTORS!=	expr ${SWAPMB} \* 1024 \* 1024 / 512 || true
EFISECTORS!=	expr ${EFIMB} \* 1024 \* 1024 / 512 || true
FATSECTORS!=	expr ${FATMB} \* 1024 \* 1024 / 512 || true

.if ${USE_MBR} == "no" && ${USE_GPT} == "no"
LABELSECTORS?=	0
.else
#LABELSECTORS?=	63	# historical
#LABELSECTORS?=	32	# 16KB aligned
LABELSECTORS?=	2048	# 1MB aligned for modern flash devices
.endif

FSSECTORS!=	expr ${IMAGESECTORS} - ${SWAPSECTORS} - ${LABELSECTORS} \
		    - ${EFISECTORS} - ${GPTSECTORS} - ${FATSECTORS}
FSSIZE!=	expr ${FSSECTORS} \* 512

# parameters for disklabel and MBR
HEADS=		64
SECTORS=	32
CYLINDERS!=	expr ${IMAGESECTORS} / \( ${HEADS} \* ${SECTORS} \)
SECPERCYLINDERS!= expr ${HEADS} \* ${SECTORS}
MBRHEADS=	255
MBRSECTORS=	63
MBRCYLINDERS!=	expr ${IMAGESECTORS} / \( ${MBRHEADS} \* ${MBRSECTORS} \)
MBRNETBSD=	169
MBRFAT?=	6	# 16-bit FAT, more than 32M

BSDPARTSECTORS!= expr ${IMAGESECTORS} - ${LABELSECTORS} \
		    - ${EFISECTORS} - ${GPTSECTORS} - ${FATSECTORS}
FSOFFSET!=	expr ${LABELSECTORS} + ${EFISECTORS} + ${FATSECTORS}
SWAPOFFSET!=	expr ${LABELSECTORS} + ${FSSECTORS} \
		    + ${EFISECTORS} + ${FATSECTORS}
FATOFFSET=	${LABELSECTORS}

# parameters for sunlabel
FSCYLINDERS!=	expr ${FSSECTORS} / \( ${HEADS} \* ${SECTORS} \)
SWAPCYLINDERS!=	expr ${SWAPSECTORS} / \( ${HEADS} \* ${SECTORS} \) || true

.if ${USE_GPT} != "no"
BOOTDISK_UUID=`${TOOL_GPT} ${GPT_TIMESSTAMP} ${WORKMBR} show -i 2 | ${TOOL_AWK} '/^GUID/ {print $$2}'`
SWAPDISK_UUID=`${TOOL_GPT} ${GPT_TIMESSTAMP} ${WORKMBR} show -i 3 | ${TOOL_AWK} '/^GUID/ {print $$2}'`
.endif

#
# definitions to create root fs
#
SETS_DEFAULT=	modules base etc comp games man misc rescue tests text
.if ${MKX11} != "no"
SETS_DEFAULT+=	xbase xcomp xetc xfont xserver
.endif

KERN_SET?=	kern-GENERIC
SETS?=		${SETS_DEFAULT}
IMG_SETS=	${KERN_SET} ${SETS}
SETS_DIR?=	${RELEASEDIR}/${RELEASEMACHINEDIR}/binary/sets

FSTAB_IN?=	${DISTRIBDIR}/common/bootimage/fstab.in
SPEC_IN?=	${DISTRIBDIR}/common/bootimage/spec.in

IMGMAKEFSOPTIONS?=	-o bsize=16384,fsize=2048,density=8192
FATMAKEFSOPTIONS?=	-o fat_type=16

WORKDIR?=       work
WORKSPEC?=      work.spec
WORKFSTAB?=	work.fstab
WORKRCCONF?=	work.rc.conf
WORKFS?=        work.rootfs
TARGETFS?=      imgroot.fs
COMPRESS_PROGRAM=${"${USE_XZ_SETS:Uno}"!="no":?${TOOL_XZ}:${TOOL_GZIP}}
TAR_SUFF=	${"${USE_XZ_SETS:Uno}"!="no":?tar.xz:tgz}

CLEANFILES+=	${WORKSPEC} ${WORKFSTAB} ${WORKRCCONF} ${WORKFS}
CLEANFILES+=	${TARGETFS}

#
# definitions to create image
#
.if ${SWAPSECTORS} == 0
.  if ${USE_MBR} != "no"
DISKPROTO_IN?=	${DISTRIBDIR}/common/bootimage/diskproto.noswap.mbr.in
.  else
DISKPROTO_IN?=	${DISTRIBDIR}/common/bootimage/diskproto.noswap.in
.  endif
.else
.  if ${USE_MBR} != "no"
DISKPROTO_IN?=	${DISTRIBDIR}/common/bootimage/diskproto.mbr.in
.  else
DISKPROTO_IN?=	${DISTRIBDIR}/common/bootimage/diskproto.in
.  endif
.endif

MBR_DEFAULT_BOOTCODE?=	mbr

WORKMBR?=	work.mbr
WORKMBRTRUNC?=	work.mbr.truncated
WORKSWAP?=	work.swap
WORKEFI?=	work.efi
WORKGPT?=	work.gpt
WORKLABEL?=	work.diskproto
WORKIMG?=	work.img
EFIWORKDIR?=	work.efidir
WORKFAT?=	work.fat
WORKFATDIR?=	work.fatdir

.if ${USE_GPT} != "no"
${WORKFSTAB}: ${WORKMBR}

.BEGIN:
	@if [ -f ${WORKMBR} ]; then			 		\
		st_size=`${TOOL_STAT} -f %z ${WORKMBR}`;		\
		if [ "$$st_size" -ne "$$((${IMAGESECTORS} * 512))" ]; then \
			echo Removing stale ${WORKMBR} ...;		\
			rm -f ${WORKMBR};				\
		fi							\
	fi
.endif

${WORKFSTAB}:
	@echo Preparing /etc/fstab ...
.if ${USE_GPT} != "no"
.  if ${SWAPSECTORS} != 0
	${TOOL_SED}							\
	    -e "s/ROOT.a/NAME=${BOOTDISK_UUID}/"			\
	    -e "s/ROOT.b/NAME=${SWAPDISK_UUID}/"			\
	    < ${FSTAB_IN} > ${WORKFSTAB}
.  else
	${TOOL_SED}							\
	    -e "s/ROOT.a/NAME=${BOOTDISK_UUID}/"			\
	    -e "/ROOT.b/d"						\
	    < ${FSTAB_IN} > ${WORKFSTAB}
.  endif
.else
.  if ${SWAPSECTORS} != 0
	${TOOL_SED} < ${FSTAB_IN} > ${WORKFSTAB}
.  else
	${TOOL_SED}							\
	    -e "/ROOT.b/d"						\
	    < ${FSTAB_IN} > ${WORKFSTAB}
.  endif
.endif

#
# create root file system for the image
#
${TARGETFS}: prepare_md_post ${WORKFSTAB}
	@if [ ! -d ${RELEASEDIR}/${RELEASEMACHINEDIR} ]; then 		\
		echo "Missing ${RELEASEDIR}/${RELEASEMACHINEDIR}, aborting"; \
		false; 							\
	fi;
	@${MKDIR} ${MKDIRPERM} ${WORKDIR}
.for set in ${IMG_SETS}
	@if [ ! -f ${SETS_DIR}/${set}.${TAR_SUFF} ]; then 		\
		echo "Missing ${SETS_DIR}/${set}.${TAR_SUFF}, aborting";\
		false; 							\
	fi
	@echo Extracting ${set}.${TAR_SUFF} ...
	@(cd ${WORKDIR}; ${TOOL_PAX} ${PAX_TIMESTAMP} -rn \
		--use-compress-program=${COMPRESS_PROGRAM:Q} \
		-f ${SETS_DIR}/${set}.${TAR_SUFF} .)
.endfor
.if defined(SECONDARY_BOOT)
	@echo Copying secondary boot...
	${INSTALL} ${COPY} -m 0444 ${WORKDIR}/usr/mdec/${SECONDARY_BOOT} ${WORKDIR}
.endif
	${INSTALL} ${COPY} -m 0644 ${WORKFSTAB} ${WORKDIR}/etc/fstab
	@echo Setting rc_configured=YES in /etc/rc.conf ...
	${TOOL_SED} "s/rc_configured=NO/rc_configured=YES/"		\
	    < ${WORKDIR}/etc/rc.conf > ${WORKRCCONF}
.if defined(IMAGEHOSTNAME)
	@echo Setting hostname=${IMAGEHOSTNAME} in /etc/rc.conf ...
	echo "hostname=${IMAGEHOSTNAME}" >> ${WORKRCCONF}
.endif
.if ${SWAPSECTORS} == 0
	@echo Setting no_swap=YES in /etc/rc.conf ...
	echo "no_swap=YES" >> ${WORKRCCONF}
	@echo Setting savecore=NO in /etc/rc.conf ...
	echo "savecore=NO" >> ${WORKRCCONF}
.endif
	${INSTALL} ${COPY} -m 0644 ${WORKRCCONF} ${WORKDIR}/etc/rc.conf
.if defined(IMGDIR_EXTRA)
	@echo Copying extra dirs...
.for _SRCDIR _TARGET in ${IMGDIR_EXTRA}
	@if [ ! -d ${_SRCDIR} ]; then 					\
		echo "${_SRCDIR} is not directory, aborting";		\
		false; 							\
	fi
	${MKDIR} ${MKDIRPERM} ${WORKDIR}/${_TARGET}
	(cd ${_SRCDIR} ;						\
	    ${TOOL_PAX} ${PAX_TIMESTAMP} -rw -pe -v			\
	    ${IMGDIR_EXCLUDE}						\
	    . ${.OBJDIR}/${WORKDIR}/${_TARGET} )
.endfor
.endif
.if defined(IMGFILE_EXTRA)
	@echo Copying extra files...
.for _SRC _TARGET in ${IMGFILE_EXTRA}
	@if [ ! -f ${_SRC} ]; then 					\
		echo "${_SRC} in IMGFILE_EXTRA not found, aborting";	\
		false; 							\
	fi
	@if [ -f ${_SRC} ]; then 					\
		echo ${INSTALL} ${COPY} -m 0644 ${_SRC} ${WORKDIR}/${_TARGET}; \
		${INSTALL} ${COPY} -m 0644 ${_SRC} ${WORKDIR}/${_TARGET}; \
	fi
.endfor
.endif
	@echo Preparing spec files for makefs...
	${RM} -f ${WORKSPEC}
	cat ${WORKDIR}/etc/mtree/* |					\
	    ${TOOL_SED} -e 's/ size=[0-9]*//' > ${WORKSPEC}
	${HOST_SH} ${WORKDIR}/dev/MAKEDEV -s all ipty |			\
	    ${TOOL_SED} -e '/^\. type=dir/d' -e 's,^\.,./dev,' >> ${WORKSPEC}
	cat ${SPEC_IN} >> ${WORKSPEC}
.if defined(SECONDARY_BOOT)
	echo "./${SECONDARY_BOOT} type=file uname=root gname=wheel mode=0444" \
	    >> ${WORKSPEC}
.endif
.if defined(SPEC_EXTRA)
	cat ${SPEC_EXTRA} >> ${WORKSPEC}
.endif
	@echo Creating rootfs...
	# XXX /var/spool/ftp/hidden is unreadable
	${CHMOD} +r ${WORKDIR}/var/spool/ftp/hidden
	${TOOL_MAKEFS} -M ${FSSIZE} -m ${FSSIZE}			\
	    -B ${TARGET_ENDIANNESS}					\
	    -F ${WORKSPEC} -N ${WORKDIR}/etc				\
	    ${MAKEFS_TIMESTAMP}						\
	    ${IMGMAKEFSOPTIONS}						\
	    ${WORKFS} ${WORKDIR}
.if !empty(PRIMARY_BOOT) && ${INSTALLBOOT_AFTER_DISKLABEL} == "no"
	${TOOL_INSTALLBOOT} -v -m ${MACHINE} ${INSTALLBOOTOPTIONS} ${WORKFS} \
	    ${WORKDIR}/usr/mdec/${PRIMARY_BOOT} ${SECONDARY_BOOT_ARG}
.endif
	@echo done.
	mv ${WORKFS} ${.TARGET}

TARGET_BLOCKS=
.if ${USE_MBR} != "no" || ${USE_GPT} != "no"
TARGET_BLOCKS+=	${WORKMBRTRUNC}
.endif
.if ${USE_GPT} != "no"
TARGET_BLOCKS+=	${WORKEFI}
.endif
.if ${FATSECTORS} != 0
TARGET_BLOCKS+=	${WORKFAT}
.endif
TARGET_BLOCKS+=	 ${TARGETFS}
.if ${SWAPSECTORS} != 0
TARGET_BLOCKS+=	${WORKSWAP}
.endif
.if ${USE_GPT} != "no"
TARGET_BLOCKS+=	${WORKGPT}
.endif

CLEANFILES+=	${WORKMBR} ${WORKMBRTRUNC} ${WORKSWAP}
CLEANFILES+=	${WORKEFI} ${WORKGPT}
CLEANFILES+=	${WORKFAT}
CLEANFILES+=	${WORKLABEL}.tmp ${WORKLABEL}
CLEANFILES+=	${WORKIMG} ${IMGBASE}.img

${WORKSWAP}:
.if ${SWAPSECTORS} == 0
	printf "" > ${WORKSWAP}
.else
	${DD} if=/dev/zero of=${WORKSWAP} seek=$$((${SWAPSECTORS} - 1)) count=1
.endif

${WORKMBRTRUNC}: ${WORKMBR}
	${DD} if=${WORKMBR} count=${LABELSECTORS} of=${WORKMBRTRUNC}

${WORKLABEL}:
	${TOOL_SED}							\
	    -e "s/@@SECTORS@@/${SECTORS}/"				\
	    -e "s/@@HEADS@@/${HEADS}/"					\
	    -e "s/@@SECPERCYLINDERS@@/${SECPERCYLINDERS}/"		\
	    -e "s/@@CYLINDERS@@/${CYLINDERS}/"				\
	    -e "s/@@IMAGESECTORS@@/${IMAGESECTORS}/"			\
	    -e "s/@@FSSECTORS@@/${FSSECTORS}/"				\
	    -e "s/@@FSOFFSET@@/${FSOFFSET}/"				\
	    -e "s/@@SWAPSECTORS@@/${SWAPSECTORS}/"			\
	    -e "s/@@SWAPOFFSET@@/${SWAPOFFSET}/"			\
	    -e "s/@@BSDPARTSECTORS@@/${BSDPARTSECTORS}/"		\
	    -e "s/@@FATSECTORS@@/${FATSECTORS}/"			\
	    -e "s/@@FATOFFSET@@/${FATOFFSET}/"				\
	    < ${DISKPROTO_IN} > ${WORKLABEL}.tmp
	mv ${WORKLABEL}.tmp ${WORKLABEL}

${WORKEFI}: ${TARGETFS}
	@echo create EFI system partition...
	@${MKDIR} ${MKDIRPERM} ${EFIWORKDIR}/EFI/boot
.for f in ${EFIBOOT}
	${INSTALL} ${COPY} -m 0644 ${f} ${EFIWORKDIR}/EFI/boot/`basename ${f}`
.endfor
	${RM} -f ${WORKEFI}
	${TOOL_MAKEFS} -M ${EFIMB}m -m ${EFIMB}m			\
	    -B ${TARGET_ENDIANNESS}					\
	    ${MAKEFS_TIMESTAMP}						\
	    -t msdos -o F=32,c=1					\
	    ${WORKEFI} ${EFIWORKDIR}

${WORKFAT}: ${TARGETFS} ${FATFILES}
	@echo create FAT partition for bootstrap files...
	@${MKDIR} ${MKDIRPERM} ${WORKFATDIR}
.if defined(FATFILES)
	@echo Copying files for FAT partition...
.for f in ${FATFILES}
	@if [ ! -f ${f} ]; then 					\
		echo "${f} in FATFILES not found, aborting";		\
		false; 							\
	fi
	${INSTALL} ${COPY} -m 0644 ${f} ${WORKFATDIR}
.endfor
.endif
	${RM} -f ${WORKFAT}
	${TOOL_MAKEFS} -M ${FATMB}m -m ${FATMB}m			\
	    ${MAKEFS_TIMESTAMP}						\
	    -t msdos							\
	    ${FATMAKEFSOPTIONS}						\
	    ${WORKFAT} ${WORKFATDIR}

${WORKMBR}:
.if ${USE_GPT} != "no"
	@echo creating GPT header and partition entries...
	${RM} -f ${WORKMBR}
	${DD} if=/dev/zero of=${WORKMBR} seek=$$((${IMAGESECTORS} - 1)) count=1
	${TOOL_GPT} ${GPT_TIMESSTAMP} ${WORKMBR} create
	${TOOL_GPT} ${GPT_TIMESSTAMP} ${WORKMBR} add -a 1m -s ${EFISECTORS} -t efi -l "EFI system"
	${TOOL_GPT} ${GPT_TIMESSTAMP} ${WORKMBR} add -a 1m -s ${FSSECTORS} -t ffs
.  if ${SWAPSECTORS} != 0
	${TOOL_GPT} ${GPT_TIMESSTAMP} ${WORKMBR} add -a 1m -s ${SWAPSECTORS} -t swap
.  endif
.elif ${USE_MBR} != "no"
	@echo creating MBR labels...
	${DD} if=/dev/zero of=${WORKMBR} seek=$$((${IMAGESECTORS} - 1)) count=1
.  if ${FATSECTORS} != 0
	# create BSD partition
	${TOOL_FDISK} -f -i -u \
	    -b ${MBRCYLINDERS}/${MBRHEADS}/${MBRSECTORS}		\
	    -1 -a -s ${MBRNETBSD}/${FSOFFSET}/${BSDPARTSECTORS}		\
	    -F ${WORKMBR}
	# create FAT partition
	${TOOL_FDISK} -f -u \
	    -b ${MBRCYLINDERS}/${MBRHEADS}/${MBRSECTORS}		\
	    -0 -s ${MBRFAT}/${FATOFFSET}/${FATSECTORS}			\
	    -F ${WORKMBR}
.  else
	# create BSD partition
	${TOOL_FDISK} -f -i -u \
	    -b ${MBRCYLINDERS}/${MBRHEADS}/${MBRSECTORS}		\
	    -0 -a -s ${MBRNETBSD}/${FSOFFSET}/${BSDPARTSECTORS}		\
	    -F ${WORKMBR}
.  endif
.  if empty(MBR_BOOTCODE)
	@if [ -f ${WORKDIR}/usr/mdec/${MBR_DEFAULT_BOOTCODE} ]; then 	\
		echo ${TOOL_FDISK} -f					\
		    -i -c ${WORKDIR}/usr/mdec/${MBR_DEFAULT_BOOTCODE}	\
		    -F ${WORKMBR};					\
		${TOOL_FDISK} -f					\
		    -i -c ${WORKDIR}/usr/mdec/${MBR_DEFAULT_BOOTCODE}	\
		    -F ${WORKMBR};					\
	fi
.  else
	@if [ ! -f ${WORKDIR}/usr/mdec/${MBR_BOOTCODE} ]; then 		\
		echo "${MBR_BOOTCODE} is not found in DESTDIR/usr/mdec, aborting"; \
		false; 							\
	fi
	${TOOL_FDISK} -f -i -c ${WORKDIR}/usr/mdec/${MBR_BOOTCODE}	\
	    -F ${WORKMBR}
.  endif
.endif

${WORKGPT}: ${WORKMBR}
	@echo create GPT image...
	${DD} if=${WORKMBR} of=${WORKGPT} skip=$$((${IMAGESECTORS} - 2048)) \
	    count=2048

.if ${USE_GPT} == "no"
${IMGBASE}.img:	${WORKLABEL}
.endif

${IMGBASE}.img:	${TARGET_BLOCKS}
	${CAT} ${TARGET_BLOCKS} > ${WORKIMG}
.if ${USE_GPT} != "no"
.if ${USE_GPTMBR} != "no"
	${TOOL_GPT} ${GPT_TIMESSTAMP} ${WORKIMG} biosboot -i 2		\
	    -c ${.OBJDIR}/${WORKDIR}/usr/mdec/gptmbr.bin
.endif
	${TOOL_GPT} ${GPT_TIMESSTAMP} ${WORKIMG} set -a bootme -i 2
.endif	# USE_GPT != "no"
.if ${USE_SUNLABEL} != "no"
	@echo Creating sun disklabel...
	printf 'V ncyl %d\nV nhead %d\nV nsect %d\na %d %d/0/0\nb %d %d/0/0\nW\n' \
	    ${CYLINDERS} ${HEADS} ${SECTORS} \
	    ${FSOFFSET} ${FSCYLINDERS} ${FSCYLINDERS} ${SWAPCYLINDERS} | \
	    ${TOOL_SUNLABEL} -nq ${WORKIMG}
.endif
.if ${USE_GPT} == "no"
	${TOOL_DISKLABEL} -R -F ${WORKIMG} ${WORKLABEL}
.if !empty(PRIMARY_BOOT) && ${INSTALLBOOT_AFTER_DISKLABEL} != "no"
	${TOOL_INSTALLBOOT} -v -m ${MACHINE} ${INSTALLBOOTOPTIONS} ${WORKIMG} \
	    ${WORKDIR}/usr/mdec/${PRIMARY_BOOT}
.endif
.endif
	mv ${WORKIMG} ${.TARGET}

CLEANFILES+=	${IMGBASE}.img.gz ${IMGBASE}.img.gz.tmp

${IMGBASE}.img.gz:	${IMGBASE}.img
	${TOOL_GZIP_N} -9c ${IMGBASE}.img > ${.TARGET}.tmp
	mv ${.TARGET}.tmp ${.TARGET}

clean:
	@if [ -d ${WORKDIR}/var/spool/ftp/hidden ]; then 		\
		${CHMOD} +r ${WORKDIR}/var/spool/ftp/hidden;		\
	fi	# XXX
	${RM} -fr ${WORKDIR}
	${RM} -fr ${EFIWORKDIR}
	${RM} -fr ${WORKFATDIR}

prepare_md_post: .PHONY
image_md_post: .PHONY
image_md_pre: .PHONY

.include <bsd.prog.mk>