[U-Boot-Users] Using memory value in a hush shell script?

[mitsy]

Great. Thank you Wolfgang.

On 8/17/06, Wolfgang Denk <wd at denx.de> wrote:
> In message <e0590900608170852ub7d7e9i43e58f997d98338 at mail.gmail.com> you wrote:
> > What is the best way to use a value in a memory location in a hush
> > shell scritpt that gets run with autoscript?
>
> Use the "itest" command.
>
> > For example, say a CRC value for area 20000000 -- 20001000 is stored
> > in a flash, at location 12345678. If I wanted to verify a crc against
> > this value, I'd like to pass the value at address 12345678 as a last
> > argument.
>
> "itest" can use a pointer and dereference it, so  you  can  pass  the
> address instead of the value.
>
> > or is it better to just read the value from flash, store it in a local
> > variable and use it?
>
> There is no easy way to read a value from memory and store it in a
> variable.
>
> Best regards,
>
> Wolfgang Denk
>
> --
> Software Engineering:  Embedded and Realtime Systems,  Embedded Linux
> Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
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>