wsy2220

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

wsy2220

SSDT @ 0x0000000000000000
    0000: 53 53 44 54 A5 01 00 00 02 B4 50 6D 52 65 66 00  SSDT......PmRef.
    0010: 41 70 43 73 74 00 00 00 00 30 00 00 49 4E 54 4C  ApCst....0..INTL
    0020: 24 04 14 20 10 22 5C 2E 5F 50 52 5F 43 50 55 31  $.. ."\._PR_CPU1
    0030: 14 16 5F 43 53 54 00 A4 5C 2F 03 5F 50 52 5F 43  .._CST..\/._PR_C
    0040: 50 55 30 5F 43 53 54 10 22 5C 2E 5F 50 52 5F 43  PU0_CST."\._PR_C
    0050: 50 55 32 14 16 5F 43 53 54 00 A4 5C 2F 03 5F 50  PU2.._CST..\/._P
    0060: 52 5F 43 50 55 30 5F 43 53 54 10 22 5C 2E 5F 50  R_CPU0_CST."\._P
    0070: 52 5F 43 50 55 33 14 16 5F 43 53 54 00 A4 5C 2F  R_CPU3.._CST..\/
    0080: 03 5F 50 52 5F 43 50 55 30 5F 43 53 54 10 22 5C  ._PR_CPU0_CST."\