scripts/mk_slp_header.sh

   1 #!/bin/bash
   2
   3 UIMAGE_PATH="arch/arm/boot/uImage"
   4
   5 if [ -e ${UIMAGE_PATH} ]; then
   6         cp ${UIMAGE_PATH} .
   7
   8         SIG_MAGIC="KeRn"
   9         SIG_DATE=`date +%Y%m%d%H`
  10         SIG_PROD="SLP_Fraser"
  11         SIG_BOARD="u1"
  12         KERN_ORG_SIZE=`stat -c %s uImage`
  13         KERN_PAD_SIZE=`expr 512 - $KERN_ORG_SIZE % 512`
  14
  15         if [ "$KERN_PAD_SIZE" != "512" ]; then
  16                 head -c $KERN_PAD_SIZE /dev/zero >> uImage
  17         fi
  18
  19         echo -n $SIG_MAGIC > slp-header
  20         head -c $((12 - ${#SIG_MAGIC})) /dev/zero >> slp-header
  21
  22         echo -n $SIG_DATE >> slp-header
  23         head -c $((12 - ${#SIG_DATE})) /dev/zero >> slp-header
  24
  25         echo -n $SIG_PROD >> slp-header
  26         head -c $((24 - ${#SIG_PROD})) /dev/zero >> slp-header
  27
  28         echo -n $SIG_BOARD >> slp-header
  29         head -c $((464 - ${#SIG_BOARD})) /dev/zero >> slp-header
  30
  31         cat slp-header >> uImage
  32
  33         mv uImage arch/arm/boot/uImage
  34         rm slp-header
  35 fi