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

[Wolfgang Denk]

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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