ARM: Remove dependency on mtools

Instead of formatting the image, and then using the mtools to copy on it
the boot partition files, we use makefs to directly generate the
partition.

Change-Id: I468e3100842177f3f55edbfdb910941bafa576ba

Author: boricj

releasetools/arm_sdimage.sh

@@ -64,32 +64,8 @@ then
 	exit 1
 fi
 
-case $(uname -s) in
-Darwin)
-	MKFS_VFAT_CMD=newfs_msdos
-	MKFS_VFAT_OPTS="-h 64 -u 32 -S 512 -s ${FAT_SIZE} -o 0"
-;;
-FreeBSD)
-	MKFS_VFAT_CMD=newfs_msdos
-	MKFS_VFAT_OPTS=
-;;
-*)
-	MKFS_VFAT_CMD=mkfs.vfat
-	MKFS_VFAT_OPTS=
-;;
-esac
-
 export PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:${PATH}
 
-for needed in mcopy dd ${MKFS_VFAT_CMD} git
-do
-	if ! which $needed 2>&1 > /dev/null
-	then
-		echo "**Skipping image creation: missing tool '$needed'"
-		exit 1
-	fi
-done
-
 # we create a disk image of about 2 gig's
 # for alignment reasons, prefer sizes which are multiples of 4096 bytes
 : ${IMG_SIZE=$((     2*(2**30) ))}
@@ -130,67 +106,9 @@ echo "Creating specification files..."
 create_input_spec
 create_protos "usr home"
 
-#
-# Create the FAT partition, which contains the bootloader files, kernel and modules
-#
-dd if=/dev/zero of=${WORK_DIR}/fat.img bs=512 count=1 seek=$(($FAT_SIZE -1)) 2>/dev/null
-
-#
-# Format the fat partition and put the bootloaders
-# uEnv and the kernel command line in the FAT partition
-#
-${MKFS_VFAT_CMD} ${MKFS_VFAT_OPTS} ${WORK_DIR}/fat.img
-
-#
 # Download the stage 1 bootloader and u-boot
 #
 ${RELEASETOOLSDIR}/fetch_u-boot.sh -o ${RELEASETOOLSDIR}/u-boot -n $U_BOOT_GIT_VERSION
-cp ${RELEASETOOLSDIR}/u-boot/${U_BOOT_BIN_DIR}/MLO ${WORK_DIR}/
-cp ${RELEASETOOLSDIR}/u-boot/${U_BOOT_BIN_DIR}/u-boot.img ${WORK_DIR}/
-
-#
-# Create a uEnv.txt file
-# -n default to network boot
-# -p add a prefix to the network booted files (e.g. xm/"
-# -c set console e.g. tty02 or tty00
-# -v set verbosity e.g. 0 to 3
-#${RELEASETOOLSDIR}/gen_uEnv.txt.sh -c ${CONSOLE} -n -p bb/ > ${WORK_DIR}/uEnv.txt
-${RELEASETOOLSDIR}/gen_uEnv.txt.sh -c ${CONSOLE}  > ${WORK_DIR}/uEnv.txt
-
-echo "Copying configuration kernel and boot modules"
-mcopy -bsp -i ${WORK_DIR}/fat.img ${WORK_DIR}/$MLO ::MLO
-mcopy -bsp -i ${WORK_DIR}/fat.img ${WORK_DIR}/$UBOOT ::u-boot.img
-mcopy -bsp -i ${WORK_DIR}/fat.img ${WORK_DIR}/uEnv.txt ::uEnv.txt
-
-#
-# Do some last processing of the kernel and servers and then put them on the FAT
-# partition.
-#
-${CROSS_PREFIX}objcopy ${OBJ}/minix/kernel/kernel -O binary ${OBJ}/kernel.bin
-mcopy -bsp -i ${WORK_DIR}/fat.img ${OBJ}/kernel.bin ::kernel.bin
-
-for f in servers/vm/vm servers/rs/rs servers/pm/pm servers/sched/sched \
-	servers/vfs/vfs servers/ds/ds servers/mib/mib fs/pfs/pfs fs/mfs/mfs \
-	../sbin/init/init
-do
-    fn=`basename $f`.elf
-    cp ${OBJ}/minix/${f} ${OBJ}/${fn}
-    ${CROSS_PREFIX}strip -s ${OBJ}/${fn}
-    mcopy -bsp -i ${WORK_DIR}/fat.img  ${OBJ}/${fn} ::${fn}
-done
-
-for f in tty/tty/tty storage/memory/memory
-do
-    fn=`basename $f`.elf
-    cp ${OBJ}/minix/drivers/${f} ${OBJ}/${fn}
-    ${CROSS_PREFIX}strip -s ${OBJ}/${fn}
-    mcopy -bsp -i ${WORK_DIR}/fat.img  ${OBJ}/${fn} ::${fn}
-done
-
-#
-# For tftp booting
-#
-cp ${WORK_DIR}/uEnv.txt ${OBJ}/
 
 # Clean image
 if [ -f ${IMG} ]	# IMG might be a block device
@@ -222,12 +140,63 @@ HOME_START=$((${USR_START} + ${_USR_SIZE}))
 echo " * HOME"
 _HOME_SIZE=$(${CROSS_TOOLS}/nbmkfs.mfs -d ${HOMESIZEARG} -I $((${HOME_START}*512)) ${IMG} ${WORK_DIR}/proto.home)
 _HOME_SIZE=$(($_HOME_SIZE / 512))
+echo " * BOOT"
+rm -rf ${ROOT_DIR}/*
+cp ${RELEASETOOLSDIR}/u-boot/${U_BOOT_BIN_DIR}/MLO ${ROOT_DIR}/
+cp ${RELEASETOOLSDIR}/u-boot/${U_BOOT_BIN_DIR}/u-boot.img ${ROOT_DIR}/
+
+# Create a uEnv.txt file
+# -n default to network boot
+# -p add a prefix to the network booted files (e.g. xm/"
+# -c set console e.g. tty02 or tty00
+# -v set verbosity e.g. 0 to 3
+#${RELEASETOOLSDIR}/gen_uEnv.txt.sh -c ${CONSOLE} -n -p bb/ > ${WORK_DIR}/uEnv.txt
+${RELEASETOOLSDIR}/gen_uEnv.txt.sh -c ${CONSOLE}  > ${ROOT_DIR}/uEnv.txt
+
+# Do some last processing of the kernel and servers and then put them on the FAT
+# partition.
+${CROSS_PREFIX}objcopy ${OBJ}/minix/kernel/kernel -O binary ${ROOT_DIR}/kernel.bin
+
+for f in servers/vm/vm servers/rs/rs servers/pm/pm servers/sched/sched \
+	servers/vfs/vfs servers/ds/ds servers/mib/mib fs/pfs/pfs fs/mfs/mfs \
+	../sbin/init/init drivers/tty/tty/tty drivers/storage/memory/memory
+do
+    fn=`basename $f`.elf
+    cp ${OBJ}/minix/${f} ${ROOT_DIR}/${fn}
+    ${CROSS_PREFIX}strip -s ${ROOT_DIR}/${fn}
+done
+cat >${WORK_DIR}/boot.mtree <<EOF
+. type=dir
+./MLO type=file
+./u-boot.img type=file
+./uEnv.txt type=file
+./kernel.bin type=file
+./ds.elf type=file
+./rs.elf type=file
+./pm.elf type=file
+./sched.elf type=file
+./vfs.elf type=file
+./memory.elf type=file
+./tty.elf type=file
+./mib.elf type=file
+./vm.elf type=file
+./pfs.elf type=file
+./mfs.elf type=file
+./init.elf type=file
+EOF
+
+#
+# Create the FAT partition, which contains the bootloader files, kernel and modules
+#
+${CROSS_TOOLS}/nbmakefs -t msdos -s ${FAT_SIZE}b -o F=16,c=1 \
+	-F ${WORK_DIR}/boot.mtree ${WORK_DIR}/fat.img ${ROOT_DIR}
 
 #
 # Write the partition table using the natively compiled
 # minix partition utility
 #
-${CROSS_TOOLS}/nbpartition -f -m ${IMG} ${FAT_START} "c:${FAT_SIZE}*" 81:${_ROOT_SIZE} 81:${_USR_SIZE} 81:${_HOME_SIZE}
+${CROSS_TOOLS}/nbpartition -f -m ${IMG} ${FAT_START} \
+	"c:${FAT_SIZE}*" 81:${_ROOT_SIZE} 81:${_USR_SIZE} 81:${_HOME_SIZE}
 
 #
 # Merge the partitions into a single image.