From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Kumar Gala <kumar.gala@motorola.com>
Cc: Eugene Surovegin <ebs@ebshome.net>,
linuxppc-embedded@lists.linuxppc.org,
Stephen Williams <612dlag102@sneakemail.com>
Subject: Re: [RFC] "indirect" DCR access (40x, BookE)
Date: Fri, 19 Mar 2004 15:00:53 +1100 [thread overview]
Message-ID: <1079668852.909.88.camel@gaston> (raw)
In-Reply-To: <1921A482-7431-11D8-AFB6-000393DBC2E8@motorola.com>
On Sat, 2004-03-13 at 01:25, Kumar Gala wrote:
> Look in u-boot. They have some user commands that allow
> reading/writing dcr's. These commands are written with self modifying
> code, I would recommend that we reuse that.
>
> Also, it begs the question of should this be extended to SPRs, not that
> I have come across a case with SPRs that I need to iterate over a large
> list.
That would way too slow for DCRs used in drivers for example,
I much prefer Eugene's idea.
Ben.
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2004-03-19 4:00 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-12 1:48 [RFC] "indirect" DCR access (40x, BookE) Eugene Surovegin
2004-03-12 2:46 ` Dan Malek
2004-03-12 3:05 ` Eugene Surovegin
2004-03-12 4:44 ` Stephen Williams
2004-03-12 4:54 ` Eugene Surovegin
2004-03-12 14:25 ` Kumar Gala
2004-03-12 14:53 ` Chuck Meade
2004-03-12 16:20 ` Eugene Surovegin
2004-03-12 18:01 ` Dan Malek
2004-03-19 4:00 ` Benjamin Herrenschmidt [this message]
2004-03-23 2:47 ` Eugene Surovegin
2004-04-01 5:36 ` Kumar Gala
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