target/linux/rb532/image/gen_image.sh

   1 #!/usr/bin/env bash
   2 OUTPUT="$1"
   3 KERNELSIZE="$2"
   4 KERNELIMAGE="$3"
   5 ROOTFSSIZE="$4"
   6 ROOTFSIMAGE="$5"
   7
   8 rm -f "$OUTPUT"
   9
  10 # create partition table
  11 set `ptgen -o "$OUTPUT" -h 16 -s 32 -t 0x27 -p ${KERNELSIZE}m -t 0x83 -p ${ROOTFSSIZE}m`
  12
  13 KERNELOFFSET="$(($1 / 512))"
  14 ROOTFSOFFSET="$(($3 / 512))"
  15
  16 dd if="$KERNELIMAGE" of="$OUTPUT" bs=512 conv=notrunc seek="$KERNELOFFSET"
  17 dd if="$ROOTFSIMAGE" of="$OUTPUT" bs=512 conv=notrunc seek="$ROOTFSOFFSET"