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From: Fabien Chouteau <chouteau@adacore.com>
To: Alexander Graf <agraf@suse.de>
Cc: qemu-ppc@nongnu.org, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [Qemu-ppc] [PATCH] PPC: init_excp_7x0: fix hreset entry point.
Date: Wed, 27 Mar 2013 16:49:54 +0100	[thread overview]
Message-ID: <51531522.2060402@adacore.com> (raw)
In-Reply-To: <6F814D75-FCE6-4B8A-8510-0AE8FCFB0A9E@suse.de>

On 03/27/2013 04:10 PM, Alexander Graf wrote:
>> It's actually already implemented (helper_regs.h:96). The question is:
>> what is the value of MSR[IP] at reset?
> 
> For 740 / 750, it's 1. All other bits are 0.

Is it true for all PPC, because MSR_EP/IP is set for all kind of CPU right now.

> 
>> Also, we might want to call hreg_store_msr() in ppc_cpu_reset() instead
>> of just setting the value env->msr, this way we don't need
>> hreset_excp_prefix as the MSR[IP] will be used to set the value of
>> env->excp_prefix. Something like:
> 
> Sounds good :)
> 

Alright, we can get rid of hreset_excp_prefix then.

Thanks,

-- 
Fabien Chouteau

  reply	other threads:[~2013-03-27 15:50 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-27 13:50 [Qemu-devel] [PATCH] PPC: init_excp_7x0: fix hreset entry point Fabien Chouteau
2013-03-27 13:54 ` Alexander Graf
2013-03-27 14:00   ` [Qemu-devel] [Qemu-ppc] " Alexander Graf
2013-03-27 14:04     ` Alexander Graf
2013-03-27 14:59       ` Fabien Chouteau
2013-03-27 15:09         ` Fabien Chouteau
2013-03-27 15:10         ` Alexander Graf
2013-03-27 15:49           ` Fabien Chouteau [this message]
2013-03-27 16:07             ` Alexander Graf
2013-03-27 16:17               ` Fabien Chouteau
2013-03-27 16:22                 ` Alexander Graf
2013-03-27 16:49                   ` Fabien Chouteau
2013-03-27 16:11             ` Fabien Chouteau

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