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From: Robin Gilks <robin.gilks@tait.co.nz>
To: u-boot@lists.denx.de
Subject: [U-Boot-Users] CFG_CMD_.... configuration space running out!!
Date: Thu, 18 Dec 2003 17:20:34 +1300	[thread overview]
Message-ID: <3FE12B12.7070509@tait.co.nz> (raw)
In-Reply-To: <1071713256.2552.10.camel@smoke.cideas.com>

Jon Diekema wrote:
> On Thu, 2003-12-18 at 07:08, Robin Gilks wrote:
> 
>>test syntax as per binary integer comparisons with the option of a unary 
>>indirection operator on either expression.
>>eg. 'test *40000 -eq 12345678'
>>checks location 40000 for the value 12345678. I've only implemented 32 
>>bit word indirection - does anyone think it useful to provide half-word 
>>and byte as well - in which case what should the syntax look like?
> 
> 
> How about using something similar to what the i2c commands use?
> 
> <addr>.4  4 byte addr
> <addr>.2  2 byte addr
> <addr>.1  1 byte addr
> 
> or maybe
> 
> <addr>.l  4 byte addr
> <addr>.w  2 byte addr
> <addr>.b  1 byte addr
> 
> If .<byte-size> isn't specified, then default to the .4 or .l
> address size.
> 
> Potential examples:
> 
> test *40000.4 -eq 12345678
> test *40000   -eq 12345678
> test *40000.2 -eq 1234
> test *40000.1 -eq 12

As it happens, the simple_strtoul() parsing is quite happy with a 
trailing '.' so either should code up easily enough. Thanks for the input...

Last day before the break tomorrow so we'll see what gets done :-))


-- 
Robin Gilks
Senior Design Engineer          Phone: (+64)(3) 357 1569
Tait Electronics                Fax  :  (+64)(3) 359 4632
PO Box 1645 Christchurch        Email : robin.gilks at tait.co.nz
New Zealand

  reply	other threads:[~2003-12-18  4:20 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-12-17 23:08 [U-Boot-Users] CFG_CMD_.... configuration space running out!! Robin Gilks
2003-12-18  2:07 ` Jon Diekema
2003-12-18  4:20   ` Robin Gilks [this message]
2003-12-19 20:49     ` Wolfgang Denk
2004-01-04 22:21       ` Robin Gilks
2004-01-04 23:03         ` Wolfgang Denk
2003-12-19 20:46   ` Wolfgang Denk

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