diff options
| -rw-r--r-- | README.md | 25 | ||||
| -rwxr-xr-x | scripts/disk_image | 90 | ||||
| -rw-r--r-- | scripts/imagebuilder_sd | 2 |
3 files changed, 109 insertions, 8 deletions
@@ -83,6 +83,31 @@ Where:\ arbitrary command can be used, for instance -t "fatload" is valid.\ +## Stand-alone Usage: scripts/disk\_image + +The ImageBuilder script that generates a disk image file to load on a +SD or SATA drive. This creates 2 partitions: boot partition where the +boot files from working directory (-c option) are, and the dom0 ramdisk +uncompressed into the root FS partition. + +After you've generated the u-boot scripts using the uboot-script-gen +script, disk_image is run as follows: + +``` +$ sudo bash ./scripts/disk_image -c /path/to/config-file -d . \ + -w /path/to/tmp/dir \ + -o /path/to/output/disk.img +``` + +Where:\ +-c specifies the path to the config file to use\ +-d specifies the working directory (paths in the config file are relative + to it)\ +-w specifies the temporary working directory that the script uses for + building the disk image, and if not set, one is created in /tmp\ +-o specifies the output disk image file name\ + + ## Container Usage ImageBuilder comes with a Dockerfile to build a container with all the diff --git a/scripts/disk_image b/scripts/disk_image index 949e323..88a1663 100755 --- a/scripts/disk_image +++ b/scripts/disk_image @@ -3,18 +3,89 @@ # This helps to see what is going on set -e -x -# Used to maintain intermediary state. (Not currently used) -DESTDIR="$(mktemp -d /tmp/imagebuilder-zynqmp.XXXXXX)" -UBOOT_OUT="/tmp/output" -OUTDIR="/tmp/img" -mkdir ${OUTDIR} +PROG_REQ=( kpartx mkfs.ext4 losetup sgdisk readlink ) + +function check_depends() +{ + for ((i=0; i<${#PROG_REQ[@]}; i++)) + do + if ! command -v ${PROG_REQ[i]} > /dev/null + then + echo "Please install the needed program: ${PROG_REQ[i]}." + exit 1 + fi + done +} + +function print_help +{ + echo "usage:" + echo " $0 -c CONFIG_FILE -d UBOOT_DIRECTORY <-w WORK_DIRECTORY> -o IMG_FILE" + echo " $0 -h" + echo "where:" + echo " -c CONFIG_FILE - configuration file" + echo " -d UBOOT_DIRECTORY - root directory for the paths specified in CONFIG_FILE" + echo " -w WORK_DIRECTORY - work directory used when building the image" + echo " -o IMG_FILE - the output img file " + echo "Example:" + echo " $0 -c ../config -d ./build42 -w tmp -o disk.img" +} + +# before anything else, check if we have root privilege +if ! [ $(id -u) = 0 ] +then + echo "This script needs root privilege to run, exiting." + exit 1 +fi -IMG="${OUTDIR}/zynqmp.img" +while getopts ":w:d:c:o:h" opt +do + case ${opt} in + w ) + DESTDIR=$OPTARG + ;; + d ) + UBOOT_OUT=$OPTARG + ;; + c ) + CFG_FILE=$OPTARG + ;; + o ) + IMG=$OPTARG + ;; + h ) + print_help + exit 0 + ;; + * ) + echo "Unknown option, see \"$0 -h\"" + exit 1 + ;; + esac +done +shift $((OPTIND -1)) + +if [ -z "$UBOOT_OUT" ] || [ -z "$CFG_FILE" ] || [ -z "$IMG" ] +then + echo "Undefined arguments, see \"$0 -h\"" + exit 1 +fi -. config +# if the user hasn't specified a working directing, create it +if [ -z "$DESTDIR" ] +then + DESTDIR="$(mktemp -d /tmp/imagebuilder.XXXXXX)" + DESTDIR_DEL=true +else + DESTDIR_DEL=false +fi UBOOT_OUT_ABS="$(readlink -f $UBOOT_OUT)" +check_depends + +source "$CFG_FILE" + offset=$((2*1024*1024)) _part1_size=`stat --printf="%s" $UBOOT_OUT/$XEN` _part1_size=$(( $_part1_size + `stat --printf="%s" $UBOOT_OUT/$DOM0_KERNEL` )) @@ -155,3 +226,8 @@ umount $DESTDIR/part/disk1 kpartx -d /dev/mapper/diskimage dmsetup remove diskimage losetup -d $_loop_dev + +if [ "$DESTDIR_DEL" = true ] +then + rm -rf "$DESTDIR" +fi diff --git a/scripts/imagebuilder_sd b/scripts/imagebuilder_sd index 460746e..13a28e4 100644 --- a/scripts/imagebuilder_sd +++ b/scripts/imagebuilder_sd @@ -6,4 +6,4 @@ cp config /tmp/output cp -r /home/builder/output/* /tmp/output cd /tmp/output bash /uboot-script-gen -c ./config -d ./ -t sd -bash /disk_image +bash /disk_image -c ./config -d ./ -o /tmp/disk.img |