Products > Test Equipment

Rigol DSXXXX .GEL firmware file format

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Userli:
Thanks for the warning.
Would you want to share your concerns with us?

Meka77 wd:
Hi everyone.
I just modified DS1000ZUpdate.GEL file 00.04.03.01.05 (04.03 SP1) to 00.04.03.02.03 (04.03 SP2, current installed shit)...
 :phew:
Here is what happened:

1. Same software version detected. Update?...  :scared:
2. Reading Gel file...  :scared:
3. Analysing Gel file...  :scared:
4. Update was failured. Please, check your flash driver and the update file, then try again!... :rant: :wtf: :--

fkers.

smithnerd:

--- Quote from: Userli on July 21, 2016, 06:24:58 pm ---Thanks for the warning.
Would you want to share your concerns with us?

--- End quote ---

High Assurance Boot:

http://cache.freescale.com/files/32bit/doc/app_note/AN4555.pdf

I suspect the contents of the mystery footer is a signature for SparrowAPP.out. I might be totally wrong about this though - too early to say...

Userli:
Well, not THAT easy.
The version number is repeated in each file header as Uint32.
So all of them have to be changed, too.

I will add a mechanism to my application where you can change the version to the one of another .GEL file by opening it.
This should be reasonably safe .

janekivi:
Files not the problem I think, so not that easy too. Something is now in the footer.

Actually I took DS1000Z(ARM)Update_00.04.03.01.05 and have DS1000Z(ARM)Update_00.04.03.02.03
Now I look footers and DS1000Z(ARM)Update_00.04.03.01.05 footer second half from 80 to FF is the
same as DS1000Z(ARM)Update_00_04_04_00_07 footer. ???
Somebody must look into APP. I can't read it.

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