target/linux/mxs/image/gen_sdcard_vfat_ext4.sh

   1 #!/bin/sh
   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 6 ] || {
  11     echo "SYNTAX: $0 <file> <u-boot.sb image> <bootfs image> <rootfs image> <bootfs size> <rootfs size>"
  12     exit 1
  13 }
  14
  15 OUTPUT="$1"
  16 UBOOT="$2"
  17 BOOTFS="$3"
  18 ROOTFS="$4"
  19 BOOTFSSIZE="$5"
  20 ROOTFSSIZE="$6"
  21
  22 head=4
  23 sect=63
  24
  25 # Set the u-boot storage to 2M
  26 set $(ptgen -o $OUTPUT -h $head -s $sect -l 1024 -t 53 -p 2M -t c -p ${BOOTFSSIZE}M -t 83 -p ${ROOTFSSIZE}M)
  27
  28 UBOOTOFFSET="$(($1 / 512))"
  29 UBOOTSIZE="$(($2 / 512))"
  30 BOOTOFFSET="$(($3 / 512))"
  31 BOOTSIZE="$(($4 / 512))"
  32 ROOTFSOFFSET="$(($5 / 512))"
  33 ROOTFSSIZE="$(($6 / 512))"
  34
  35 dd bs=512 if="$BOOTFS" of="$OUTPUT" seek="$BOOTOFFSET" conv=notrunc
  36 dd bs=512 if="$ROOTFS" of="$OUTPUT" seek="$ROOTFSOFFSET" conv=notrunc
  37 sdimage -d "$OUTPUT" -f "$UBOOT"