target/linux/mxs/image/gen_sdcard_ext4_ext4.sh

   1 #!/usr/bin/env bash
   2 #
   3 # Copyright (C) 2015 OpenWrt.org
   4 #
   5 # This is free software, licensed under the GNU General Public License v2.
   6 # See /LICENSE for more information.
   7 #
   8
   9 set -x
  10 [ $# -eq 4 ] || {
  11     echo "SYNTAX: $0 <file> <u-boot.sb image> <rootfs image> <rootfs size>"
  12     exit 1
  13 }
  14
  15 OUTPUT="$1"
  16 UBOOT="$2"
  17 ROOTFS="$3"
  18 ROOTFSSIZE="$4"
  19
  20 head=4
  21 sect=63
  22
  23 # set the Boot stream partition size to 1M
  24 set `ptgen -o $OUTPUT -h $head -s $sect -l 1024 -t 53 -p 1M -t 83 -p ${ROOTFSSIZE}M -t 83 -p ${ROOTFSSIZE}M`
  25
  26 ROOTFS1OFFSET="$(($3 / 512))"
  27 ROOTFS1SIZE="$(($4 / 512))"
  28 ROOTFS2OFFSET="$(($5 / 512))"
  29 ROOTFS2SIZE="$(($6 / 512))"
  30
  31 dd bs=512 if="$ROOTFS" of="$OUTPUT" seek="$ROOTFS1OFFSET" conv=notrunc
  32 dd bs=512 if="$ROOTFS" of="$OUTPUT" seek="$ROOTFS2OFFSET" conv=notrunc
  33 sdimage -d "$OUTPUT" -f "$UBOOT"