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From: Mike Frysinger <vapier@gentoo.org>
To: u-boot@lists.denx.de
Subject: [U-Boot-Users] [PATCH] Blackfin: implement go/boote wrappers
Date: Sun, 20 Apr 2008 20:31:31 -0400	[thread overview]
Message-ID: <200804202031.31936.vapier@gentoo.org> (raw)
In-Reply-To: <20080420233803.053F9248A6@gemini.denx.de>

On Sunday 20 April 2008, Wolfgang Denk wrote:
> In message <1208583950-9454-1-git-send-email-vapier@gentoo.org> you wrote:
> > Override the default go/boote handlers as we want to disable both data
> > and instruction cache before executing external programs (since Blackfin
> > cache handling requires a software handler in U-Boot which may be
> > overwritten).
>
> Umnmm... no. "go" is supposed to be return to U-Boot, i. e. it must
> not overwrite (or otherwise meddle with) any U-Boot code.
>
> I think you should not change cache status for "go".

reality is that people often times use go to execute their binary blobs.  i 
also see it this way: go means to jump to some address and most likely never 
return.
-mike
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  reply	other threads:[~2008-04-21  0:31 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-04-19  5:45 [U-Boot-Users] [PATCH] Blackfin: implement go/boote wrappers Mike Frysinger
2008-04-20 23:38 ` Wolfgang Denk
2008-04-21  0:31   ` Mike Frysinger [this message]
2008-04-21  5:00     ` Wolfgang Denk
2008-04-21  5:25       ` Mike Frysinger
2008-04-21  7:26         ` Wolfgang Denk
2008-04-21  7:49           ` Mike Frysinger
2008-04-21  9:03             ` Wolfgang Denk
2008-04-21  9:41               ` Mike Frysinger
2008-04-21 10:07                 ` Wolfgang Denk
2008-04-21 10:35                   ` Mike Frysinger
2008-04-21 10:59                     ` Mike Frysinger
2008-04-21 12:14                       ` Wolfgang Denk
2008-04-21 12:13                     ` Wolfgang Denk
2008-04-21 18:44                       ` Mike Frysinger
2008-04-21 19:45                         ` Wolfgang Denk
2008-04-21 20:58                           ` Mike Frysinger
2008-04-21 22:19                             ` Wolfgang Denk
2008-04-21 23:08                               ` Mike Frysinger

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