Dump script.bin from Allwinner A33 tablet running Android. Run this on the device and then run `./perl.pl < sysconfig_dump.txt > script.bin`

mkdump.sh

#!/system/bin/sh

SYS_CONFIG_MEMBASE="0x43000000"
SYS_CONFIG_MEMSIZE="0x10000"
CHUNK="0x200"
OUTFILE=/data/local/tmp/sysconfig_dump.txt

rm $OUTFILE
let address=$SYS_CONFIG_MEMBASE
let "end=(SYS_CONFIG_MEMBASE+SYS_CONFIG_MEMSIZE)"
while [ $address -lt $end ]; do
 let "last=(address+CHUNK-1)"
 busybox printf "%04x,%04x\n" $address $last
 busybox printf "%04x,%04x\n" $address $last > /sys/class/sunxi_dump/dump
 cat /sys/class/sunxi_dump/dump >> $OUTFILE
 let "address=(address+CHUNK)"
done

perl.pl

#!/usr/bin/perl

while(<>) {
 chomp;
 @words = split;
 shift @words;
 foreach $w (@words) {
  $w =~ s/^0x//;
  $w = reverse(pack('H*', $w));
  print $w;
 }
}