target/linux/arc770/image/gen_axs10x_sdcard_img.sh

   1 #!/bin/sh
   2 # SPDX-License-Identifier: GPL-2.0-only
   3 #
   4 # Copyright (C) 2016 OpenWrt.org
   5
   6 set -x
   7 [ $# -eq 5 ] || {
   8     echo "SYNTAX: $0 <file> <bootfs image> <rootfs image> <bootfs size> <rootfs size>"
   9     exit 1
  10 }
  11
  12 OUTPUT="$1"
  13 BOOTFS="$2"
  14 ROOTFS="$3"
  15 BOOTFSSIZE="$4"
  16 ROOTFSSIZE="$5"
  17
  18 head=4
  19 sect=63
  20
  21 set $(ptgen -o $OUTPUT -h $head -s $sect -l 1024 -t c -p ${BOOTFSSIZE}M -t 83 -p ${ROOTFSSIZE}M)
  22
  23 BOOTOFFSET="$(($1 / 512))"
  24 BOOTSIZE="$(($2 / 512))"
  25 ROOTFSOFFSET="$(($3 / 512))"
  26 ROOTFSSIZE="$(($4 / 512))"
  27
  28 dd bs=512 if="$BOOTFS" of="$OUTPUT" seek="$BOOTOFFSET" conv=notrunc
  29 dd bs=512 if="$ROOTFS" of="$OUTPUT" seek="$ROOTFSOFFSET" conv=notrunc