步驟如下：
1. 進入MASKROM模式
2. 執行下命令
$ wget https://github.com/steward-fu/website/releases/download/miyoo-flip/rk3566_ddr_1056MHz_v1.18.bin
$ wget https://github.com/steward-fu/website/releases/download/miyoo-flip/rk356x_usbplug_v1.17.bin
$ xrock extra maskrom --rc4 off --sram rk3566_ddr_1056MHz_v1.18.bin --delay 10 --rc4 off --dram rk356x_usbplug_v1.17.bin --delay 10
$ xrock flash read $((0x700000/512)) $(((0x2d00000-0x700000)/512)) boot.img
$ file boot.img
boot.img: Android bootimg, kernel (0x10008000), second stage (0x10f00000), page size: 2048
$ unpackbootimg -i boot.img -o unpack
BOARD_KERNEL_CMDLINE
BOARD_KERNEL_BASE 10000000
BOARD_NAME
BOARD_PAGE_SIZE 2048
BOARD_HASH_TYPE sha1
BOARD_KERNEL_OFFSET 00008000
BOARD_RAMDISK_OFFSET f0000000
BOARD_SECOND_OFFSET 00f00000
BOARD_TAGS_OFFSET 00000100
$ cd unpack
$ file boot.img-zImage
boot.img-zImage: LZ4 compressed data (v1.4+)
$ lz4 -d boot.img-zImage raw
Stream followed by undecodable data at position 15605836
boot.img-zImage : decoded 36440576 bytes
$ file raw
raw: Linux kernel ARM64 boot executable Image, little-endian, 4K pages
$ strings raw | grep Linux
Linux version 5.10.160 (raymanfeng@nuc) (aarch64-none-linux-gnu-gcc (GNU Toolchain for the A-profile Architecture 10.3-2021.07 (arm-10.29)) 10.3.1 20210621, GNU ld (GNU Toolchain for the A-profile Architecture 10.3-2021.07 (arm-10.29)) 2.36.1.20210621) #81 SMP Sun Sep 15 10:48:10 CST 2024