From: Scott Wood <scottwood@freescale.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] p4080ds starts OS with MSR[EE]=1 and DEC armed?
Date: Mon, 14 Mar 2011 13:09:17 -0500 [thread overview]
Message-ID: <20110314130917.718704bf@schlenkerla> (raw)
In-Reply-To: <6EC57A52-1C75-4F1A-8A43-90A06BB6D11B@kernel.crashing.org>
On Sat, 12 Mar 2011 16:56:09 -0600
Kumar Gala <galak@kernel.crashing.org> wrote:
>
> On Mar 3, 2011, at 8:59 AM, Jimi Xenidis wrote:
>
> > I was surprised to find myself at the decrement interrupt when running my new stuff.
> > That is against ePAPR, right?
> > Does u-boot at least make sure that the DEC is set to some large value before it leaps at me?
> > I don't mind forcing EE=0 but I'd like to make sure I make it that far into the code :)
> > -JX
>
> Jimi,
>
> Not sure how or why you are seeing this, but u-boot should disable interrupts in common/cmd_bootm.c
>
> Look for disable_interrupts() -> this should set MSR[EE] = 0.
What about the rest of MSR -- ME/CE/DE?
-Scott
next prev parent reply other threads:[~2011-03-14 18:09 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-03 14:59 [U-Boot] p4080ds starts OS with MSR[EE]=1 and DEC armed? Jimi Xenidis
2011-03-12 22:56 ` Kumar Gala
2011-03-13 15:46 ` Jimi Xenidis
2011-03-15 19:21 ` Timur Tabi
2011-03-15 20:24 ` Scott Wood
2011-03-15 21:16 ` Jimi Xenidis
2011-03-15 21:21 ` Timur Tabi
2011-03-15 21:22 ` Jimi Xenidis
2011-03-15 21:22 ` Scott Wood
2011-03-15 21:24 ` Scott Wood
2011-03-14 18:09 ` Scott Wood [this message]
2011-03-14 19:39 ` Jimi Xenidis
2011-03-15 5:46 ` Kumar Gala
2011-03-14 21:25 ` Kumar Gala
2011-03-14 21:37 ` Scott Wood
2011-03-15 5:39 ` Kumar Gala
2011-03-15 16:11 ` Scott Wood
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