target/linux/adm8668/image/my-mkimage

   1 #!/bin/sh
   2 # my-mkimage
   3 # This will pad given files to 64k boundaries to make a single u-boot image.
   4 # we have to be fancy because u-boot mkimage is going to add 64 byte header, ...
   5 # and i only know basic arithmetic.. ;)
   6 #
   7 # Copyright (C) 2010 Scott Nicholas <neutronscott@scottn.us>
   8 [ $# -lt 2 ] && {
   9         echo usage: $0 loader.bin [rootfs.squashfs [fs_mark [...]]] output.bin
  10 }
  11
  12 OLDSIZE=$(stat -c%s $1)
  13 NEWSIZE=$(((OLDSIZE / 65536 + 1) * 65536 - 64))
  14
  15 dd if=$1 of=vmlinuz.tmp bs=$NEWSIZE conv=sync >/dev/null 2>&1
  16 shift
  17 appends=$(($# - 1))
  18 echo
  19 while [ $appends -gt 0 ]; do
  20         dd if=$1 of=temp bs=64k conv=sync >/dev/null 2>&1
  21         printf "### '%s' starts at 0x%x\n" "`basename $1`" "$((NEWSIZE+64))"
  22         cat temp >>vmlinuz.tmp
  23         shift
  24         appends=$((appends-1))
  25         NEWSIZE=$(stat -c%s vmlinuz.tmp)
  26 done
  27 echo
  28 ../../../../staging_dir/host/bin/mkimage -A mips -O linux -T kernel \
  29 -C none -a 0x80400000 -e 0x80400000 -n "ADM8668 Linux Kernel(2.4.31)" \
  30 -d vmlinuz.tmp $1
  31
  32 rm temp vmlinuz.tmp