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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next prev parent 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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