get image from board

Chip Platform Rockchip
1

Dear All,

How can i get copy image from board. Is there any way or tool for this process.

2

Download Linux_Upgrade_Tool v1.34 at:

http://en.t-firefly.com/doc/download/page/id/3.html#linux_12

$ upgrade_tool -h

---------------------Tool Usage ---------------------
Help: H
Quit: Q
Version: V
Clear Screen: CS
------------------Upgrade Command ------------------
ChooseDevice: CD
SwitchDevice: SD
UpgradeFirmware: UF [-noreset]
UpgradeLoader: UL [-noreset]
DownloadImage: DI <-p|-b|-k|-s|-r|-m|-u|-t|-re image>
DownloadBoot: DB
EraseFlash: EF <Loader|firmware> [DirectLBA]
PartitionList: PL
----------------Professional Command -----------------
TestDevice: TD
ResetDevice: RD [subcode]
ResetPipe: RP [pipe]
ReadCapability: RCB
ReadFlashID: RID
ReadFlashInfo: RFI
ReadChipInfo: RCI
ReadSector: RS [-decode] [File]
WriteSector: WS
ReadLBA: RL [File]
WriteLBA: WL
EraseBlock: EB [–Force]

You can use the RL command like:

upgrade_tool rl $(( 0x0 )) $(( 0x2000 )) block.img

should match the offset and size of the partition you want to dump.

3

Metin, also you may first use PL key to see currently stored partition list (start size name) to pick the one you wish to backup with RL

4

I want to get copy from board of rootfs part. So where can i check beginsec and sectorlen to use with upgrade_tool rl …

5

Hi, @metind, as mentioned by @abutkov , use pl to show the partition table:

$   upgrade_tool pl
upgrade_tool_v1.34 pl
Partition Info(gpt):
NO  LBA        Size       Name
01  0x00004000 0x00002000 uboot
02  0x00006000 0x00002000 trust
03  0x0000a000 0x00010000 boot
04  0x0002a000 0x00010000 backup
05  0x0005a000 0x01cc4fdf rootfs
6

After dumping the image from the board, you can mount it by:

sudo mount rootfs.img /mnt

you can also use some tools to shrink the size of filesystem.
Please google it.

7

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