alanyih

get Android source code: http://source.android.com/source/downloading.html

$ cd /path/to/android-src
$ cd system/core/libmincrypt/
$ gcc -c *.c -I../include
$ ar rcs libmincrypt.a  *.o
$ cd ../mkbootimg
$ gcc mkbootimg.c -o mkbootimg -I../include ../libmincrypt/libmincrypt.a
$ cd ../cpio
$ gcc mkbootfs.c  -o mkbootfs -I../include

alanyih

#!/usr/bin/perl
######################################################################
#
#   File          : split_bootimg.pl
#   Author(s)     : William Enck <[email protected]>
#   Description   : Split appart an Android boot image created 
#                   with mkbootimg. The format can be found in
#                   android-src/system/core/mkbootimg/bootimg.h
#
#                   Thanks to alansj on xda-developers.com for 

alanyih

Obtaining RK3066 boot ROM.

Here are my steps.

At first, I took a look to RK30xxLoader(L)_V1.18.bin. This file appears in update.img for my device. So, I unpacked update.img using rk29Kitchen.

strings on that file returns nothing interesting, so I assumed the file is crypted