index b3885df62e47e91be4d63f4c051b70af0cc1238f..f9b8d467b8edec0b9fc011b138292615b0f505da 100644 (file)
inherit image
+# Add the fstypes we need
+IMAGE_FSTYPES_append = " tar.bz2 sdimg"
+
+# Ensure required utilities are present
+IMAGE_DEPENDS_sdimg = "genext2fs-native e2fsprogs-native"
+
+# Change this to match your host distro
+LOSETUP ?= "/sbin/losetup"
+
+# Since these need to go in /etc/fstab we can hardcode them
+# Since the vars are weakly assigned, you can override them from your local.conf
+LOOPDEV ?= "/dev/loop1"
+LOOPDEV_BOOT ?= "/dev/loop2"
+LOOPDEV_FS ?= "/dev/loop3"
+
+# Default to 4GiB images
+SDIMG_SIZE ?= "444"
+
+# FS type for rootfs
+ROOTFSTYPE ?= "ext4"
+
+BOOTPARTNAME_beaglebone = "BEAGLE_BONE"
+BOOTPARTNAME ?= "${MACHINE}"
+
+IMAGEDATESTAMP = "${@time.strftime('%Y.%m.%d',time.gmtime())}"
+
+# Files and/or directories to be copied into the vfat partition
+FATPAYLOAD ?= ""
+
IMAGE_CMD_sdimg () {
SDIMG=${WORKDIR}/sd.img
+ # sanity check fstab entry for boot partition mounting
+ if [ "x$(cat /etc/fstab | grep ${LOOPDEV_BOOT} | grep ${WORKDIR}/tmp-mnt-boot | grep user || true)" = "x" ]; then
+ echo "/etc/fstab entries need to be created with the user flag for the loop devices like:"
+ echo "${LOOPDEV_BOOT} ${WORKDIR}/tmp-mnt-boot vfat user 0 0"
+ false
+ fi
+
# cleanup loops
- for loop in $(losetup -j ${SDIMG}); do
- loop_dev=$(echo $loop|cut -d ":" -f 1)
- umount $loop_dev || true
- losetup -d $loop_dev || true
+ for loop in ${LOOPDEV} ${LOOPDEV_BOOT} ${LOOPDEV_FS} ; do
+ ${LOSETUP} -d $loop || true
done
- dd if=/dev/zero of=${SDIMG} bs=4k seek=$(echo '256 * 1024' | bc) count=1
- losetup -f ${SDIMG}
- LOOPDEV=$(losetup -j ${SDIMG} -o 0 | cut -d ":" -f 1)
+ # If an SD image is already present, reuse and reformat it
+ if [ ! -e ${SDIMG} ] ; then
+ dd if=/dev/zero of=${SDIMG} bs=$(echo '255 * 63 * 512' | bc) count=${SDIMG_SIZE}
+ fi
+
+ ${LOSETUP} ${LOOPDEV} ${SDIMG}
# Create partition table
dd if=/dev/zero of=${LOOPDEV} bs=1024 count=1024
- SIZE=`fdisk -l ${LOOPDEV} | grep Disk | grep bytes | awk '{print $5}'`
- CYLINDERS=`echo $SIZE/255/63/512 | bc`
+ SIZE=$(/sbin/fdisk -l ${LOOPDEV} | grep Disk | grep bytes | awk '{print $5}')
+ CYLINDERS=$(echo $SIZE/255/63/512 | bc)
{
echo ,9,0x0C,*
echo ,,,-
- } | sfdisk -D -H 255 -S 63 -C ${CYLINDERS} ${LOOPDEV}
+ } | /sbin/sfdisk -D -H 255 -S 63 -C ${CYLINDERS} ${LOOPDEV}
# Prepare loop devices for boot and filesystem partitions
BOOT_OFFSET=32256
- FS_OFFSET_SECT=$(/sbin/fdisk -l -u $LOOPDEV 2>&1 | grep Linux | perl -p -i -e "s/\s+/ /"|cut -d " " -f 2)
+ FS_OFFSET_SECT=$(/sbin/fdisk -l -u ${LOOPDEV} 2>&1 | grep Linux | perl -p -i -e "s/\s+/ /"|cut -d " " -f 2)
FS_OFFSET=$(echo "$FS_OFFSET_SECT * 512" | bc)
- FS_SIZE_BLOCKS=$(/sbin/fdisk -l -u $LOOPDEV 2>&1 | grep Linux | perl -p -i -e "s/\s+/ /g" \
+ FS_SIZE_BLOCKS=$(/sbin/fdisk -l -u ${LOOPDEV} 2>&1 | grep Linux | perl -p -i -e "s/\s+/ /g" \
|cut -d " " -f 4 | cut -d "+" -f 1)
- LOOPDEV_BLOCKS=$(/sbin/fdisk -l -u $LOOPDEV 2>&1 | grep FAT | perl -p -i -e "s/\s+/ /g"|cut -d " " -f 5)
+ LOOPDEV_BLOCKS=$(/sbin/fdisk -l -u ${LOOPDEV} 2>&1 | grep FAT | perl -p -i -e "s/\s+/ /g"|cut -d " " -f 5)
LOOPDEV_BYTES=$(echo "$LOOPDEV_BLOCKS * 1024" | bc)
- losetup -f ${SDIMG} -o ${BOOT_OFFSET} --sizelimit=$LOOPDEV_BYTES
+ ${LOSETUP} -d ${LOOPDEV}
- LOOPDEV_BOOT=$(losetup -j ${SDIMG} -o ${BOOT_OFFSET} | cut -d ":" -f 1)
- mkfs.msdos ${LOOPDEV_BOOT} -n boot
+ ${LOSETUP} ${LOOPDEV_BOOT} ${SDIMG} -o ${BOOT_OFFSET}
- losetup -f ${SDIMG} -o ${FS_OFFSET}
- LOOPDEV_FS=$(losetup -j ${SDIMG} -o ${FS_OFFSET} | cut -d ":" -f 1)
+ /sbin/mkfs.vfat ${LOOPDEV_BOOT} -n ${BOOTPARTNAME} $LOOPDEV_BLOCKS
# Prepare filesystem partition
# Copy ubi used by flashing scripts
echo "Copying UBIFS image to file system"
cp ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.ubi ${IMAGE_ROOTFS}/boot/fs.ubi
fi
- ROOTFS_SIZE="$(du -ks ${IMAGE_ROOTFS} | awk '{print 65536 + $1}')"
- genext2fs -b ${FS_SIZE_BLOCKS} -d ${IMAGE_ROOTFS} ${LOOPDEV_FS}
- tune2fs -j ${LOOPDEV_FS}
# Prepare boot partion. First mount the boot partition, and copy the boot loader and supporting files
# from the root filesystem
- # sanity check fstab entry for boot partition mounting
- if [ "x$(cat /etc/fstab | grep $LOOPDEV_BOOT | grep ${WORKDIR}/tmp-mnt-boot | grep user || true)" = "x" ]; then
- echo "/etc/fstab entries need to be created with the user flag for $LOOPDEV_BOOT like:"
- echo "$LOOPDEV_BOOT ${WORKDIR}/tmp-mnt-boot msdos user 0 0"
- false
- fi
-
mkdir -p ${WORKDIR}/tmp-mnt-boot
- mount $LOOPDEV_BOOT
+ mount $LOOPDEV_BOOT ${WORKDIR}/tmp-mnt-boot
echo "Copying bootloaders into the boot partition"
- cp -v ${IMAGE_ROOTFS}/boot/MLO ${WORKDIR}/tmp-mnt-boot
- cp -v ${IMAGE_ROOTFS}/boot/{u-boot.bin,user.txt,uEnv.txt} ${WORKDIR}/tmp-mnt-boot || true
+ if [ -e ${IMAGE_ROOTFS}/boot/MLO ] ; then
+ cp -v ${IMAGE_ROOTFS}/boot/MLO ${WORKDIR}/tmp-mnt-boot
+ else
+ cp -v ${DEPLOY_DIR_IMAGE}/MLO ${WORKDIR}/tmp-mnt-boot
+ fi
+
+ # Check for u-boot SPL
+ if [ -e ${DEPLOY_DIR_IMAGE}/u-boot-${MACHINE}.img ] ; then
+ suffix=img
+ else
+ suffix=bin
+ fi
+
+ cp -v ${IMAGE_ROOTFS}/boot/uEnv.txt ${WORKDIR}/tmp-mnt-boot || true
+ cp -v ${IMAGE_ROOTFS}/boot/user.txt ${WORKDIR}/tmp-mnt-boot || true
+ cp -v ${IMAGE_ROOTFS}/boot/uImage ${WORKDIR}/tmp-mnt-boot || true
+
+ if [ -e ${IMAGE_ROOTFS}/boot/u-boot.$suffix ] ; then
+ cp -v ${IMAGE_ROOTFS}/boot/{u-boot.$suffix} ${WORKDIR}/tmp-mnt-boot || true
+ else
+ cp -v ${DEPLOY_DIR_IMAGE}/u-boot-${MACHINE}.$suffix ${WORKDIR}/tmp-mnt-boot/u-boot.$suffix
+ fi
+
+ if [ -n ${FATPAYLOAD} ] ; then
+ echo "Copying payload into VFAT"
+ for entry in ${FATPAYLOAD} ; do
+ # add the || true to stop aborting on vfat issues like not supporting .~lock files
+ cp -av ${IMAGE_ROOTFS}$entry ${WORKDIR}/tmp-mnt-boot || true
+ done
+ fi
+
+ echo "${IMAGE_NAME}-${IMAGEDATESTAMP}" > ${IMAGE_ROOTFS}/etc/image-version-info
+
+ # Cleanup VFAT mount
+ echo "Cleaning up VFAT mount"
+ umount ${WORKDIR}/tmp-mnt-boot
+ ${LOSETUP} -d ${LOOPDEV_BOOT} || true
+
+ # Prepare rootfs parition
+ echo "Creating rootfs loopback"
+ ${LOSETUP} ${LOOPDEV_FS} ${SDIMG} -o ${FS_OFFSET}
+
+ FS_NUM_INODES=$(echo $FS_SIZE_BLOCKS / 4 | bc)
+
+ case "${ROOTFSTYPE}" in
+ ext3)
+ genext2fs -z -N $FS_NUM_INODES -b $FS_SIZE_BLOCKS -d ${IMAGE_ROOTFS} ${LOOPDEV_FS}
+ tune2fs -L ${IMAGE_NAME} -j ${LOOPDEV_FS}
+ ;;
+ ext4)
+ genext2fs -z -N $FS_NUM_INODES -b $FS_SIZE_BLOCKS -d ${IMAGE_ROOTFS} ${LOOPDEV_FS}
+ tune2fs -L ${IMAGE_NAME} -j -O extents,uninit_bg,dir_index ${LOOPDEV_FS}
+ ;;
+ *)
+ echo "Please set ROOTFSTYPE to something supported"
+ exit 1
+ ;;
+ esac
- # cleanup
- umount ${LOOPDEV_BOOT}
- /sbin/losetup -d ${LOOPDEV}
- /sbin/losetup -d ${LOOPDEV_BOOT}
- /sbin/losetup -d ${LOOPDEV_FS}
+ ${LOSETUP} -d ${LOOPDEV_FS} || true
- gzip -c ${WORKDIR}/sd.img > ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}-${PR}.img.gz
+ gzip -c ${WORKDIR}/sd.img > ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}-${IMAGEDATESTAMP}.img.gz
+ rm -f ${WORKDIR}/sd.img
}