Android 开发基础知识

核心提示：^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ OK.received 33992 blocks (17402880 bytes)tftp_cmd: file 'data0918.img' loaded via tftp

^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ OK.

received 33992 blocks (17402880 bytes)

tftp_cmd: file 'data0918.img' loaded via tftp to address 0x80800000.

blob>

9> 擦除原来的flash数据分区

blob> nanderase -z 0x4500000 0xBB00000

the current NAND chip does not support Block Unlocking.

Erase 0xa81f000 length data from flash: 0x4400000

Erase flash from 0x4400000, length 0xa81f000

.....................................................................................

.....................................................................................

.....................................................................................

.....................................................................................

...................................................Done

10> 烧写数据镜像到flash数据分区

blob> nandwrite -y 0x80800000 0x4500000 17402880

the current NAND chip does not support Block Unlocking.

Write 0x1098c00 length data from RAM: 0x80800000 to flash: 0x4400000

Write flash from 0x4400000, length 0x1018000

Erase flash from 0x4400000, length 0x1018000

..................................................................................Done

..................................................................................Done

blob>

flash分区图：

*******************************************

* * * * *

* blob * kernel * system * data *

* * * * *

*******************************************

nanderase -z 0x100000 0x400000

tftp zImage

nandwrite -z 0x80800000 0x100000

烧写system.img：

nanderase -z 0x500000 0x4000000