target/linux/archs38/image/gen_axs10x_sdcard_img.sh

   1 #!/usr/bin/env bash
   2
   3 #
   4 # Copyright (C) 2016 OpenWrt.org
   5 #
   6 # This is free software, licensed under the GNU General Public License v2.
   7 # See /LICENSE for more information.
   8 #
   9
  10 set -x
  11 [ $# -eq 5 ] || {
  12     echo "SYNTAX: $0 <file> <bootfs image> <rootfs image> <bootfs size> <rootfs size>"
  13     exit 1
  14 }
  15
  16 OUTPUT="$1"
  17 BOOTFS="$2"
  18 ROOTFS="$3"
  19 BOOTFSSIZE="$4"
  20 ROOTFSSIZE="$5"
  21
  22 head=4
  23 sect=63
  24
  25 set `ptgen -o $OUTPUT -h $head -s $sect -l 1024 -t c -p ${BOOTFSSIZE}M -t 83 -p ${ROOTFSSIZE}M`
  26
  27 BOOTOFFSET="$(($1 / 512))"
  28 BOOTSIZE="$(($2 / 512))"
  29 ROOTFSOFFSET="$(($3 / 512))"
  30 ROOTFSSIZE="$(($4 / 512))"
  31
  32 dd bs=512 if="$BOOTFS" of="$OUTPUT" seek="$BOOTOFFSET" conv=notrunc
  33 dd bs=512 if="$ROOTFS" of="$OUTPUT" seek="$ROOTFSOFFSET" conv=notrunc