target/linux/apm821xx/image/mbl_gen_hdd_img.sh

   1 #!/usr/bin/env bash
   2
   3 set -x
   4 [ $# -eq 3 ] || {
   5     echo "SYNTAX: $0 <file> <bootfs image> <rootfs image>"
   6     exit 1
   7 }
   8
   9 OUTPUT="$1"
  10 BOOTFS="$2"
  11 ROOTFS="$3"
  12 let "BOOTFSSIZE=(`stat -c%s "$2"` + 1048575) / 1048576"
  13 let "ROOTFSSIZE=(`stat -c%s "$3"` + 1048575) / 1048576"
  14
  15 head=4
  16 sect=63
  17
  18 set `ptgen -o $OUTPUT -h $head -s $sect -l 4096 -t 83 -p ${BOOTFSSIZE}M -t 83 -p ${ROOTFSSIZE}M`
  19
  20 BOOTOFFSET="$(($1 / 512))"
  21 BOOTSIZE="$(($2 / 512))"
  22 ROOTFSOFFSET="$(($3 / 512))"
  23 ROOTFSSIZE="$(($4 / 512))"
  24
  25 dd bs=512 if="$BOOTFS" of="$OUTPUT" seek="$BOOTOFFSET" conv=notrunc
  26 dd bs=512 if="$ROOTFS" of="$OUTPUT" seek="$ROOTFSOFFSET" conv=notrunc
  27