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From: Fabien Chouteau <chouteau@adacore.com>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: "Paul Brook" <paul@codesourcery.com>,
	"Andreas Färber" <afaerber@suse.de>,
	"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] [ARM] Cortex-R4F and VFP3-D16
Date: Fri, 01 Mar 2013 16:10:45 +0100	[thread overview]
Message-ID: <5130C4F5.1010903@adacore.com> (raw)
In-Reply-To: <5130B072.7060508@adacore.com>

On 03/01/2013 02:43 PM, Fabien Chouteau wrote:
> On 03/01/2013 01:16 PM, Peter Maydell wrote:
>> On 1 March 2013 12:07, Fabien Chouteau <chouteau@adacore.com> wrote:
>>> On 03/01/2013 12:32 PM, Peter Maydell wrote:
>>>> I think you're going to have to run some tests on the actual
>>>> hardware to find out what it really does. Specifically, what
>>>> are the values of SCTLR.IE, SCTLR.EE and CPSR.E when you think
>>>> you're in big-endian mode?
>>
>>> SCTLR.IE and SCTLR.EE are both set to 1 at reset and the values
>>> cannot be changed.
>>
>> OK, that makes sense. I think it's also a reasonable thing for
>> qemu's qemu-system-armeb model to present to the guest. Have
>> you changed QEMU to report IE and EE (and CPSR.E) as always-1,
>> or does your guest code just not look at them?
>>
> 
> We don't look at them so I didn't change anything, but maybe it's not
> difficult to do.
> 

These fields are ARMv6/7 only, right?

-- 
Fabien Chouteau

  reply	other threads:[~2013-03-01 15:10 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <512E3637.6070609@adacore.com>
     [not found] ` <CAFEAcA8gyz=b4xFW9NfqnLJx=azJwUovCDg_j3m5Gq-tyjze0Q@mail.gmail.com>
     [not found]   ` <512E4170.4070003@adacore.com>
     [not found]     ` <201302272049.59409.paul@codesourcery.com>
     [not found]       ` <512F6336.6090206@adacore.com>
     [not found]         ` <CAFEAcA8Ah2JQSA3XxWA=qbzecrcKXgNx-=gtaC9bfoFTuusq5g@mail.gmail.com>
     [not found]           ` <512F965B.1000007@adacore.com>
     [not found]             ` <CAFEAcA8fzFnDb-MDh5Wo3X77qwc-TnU-M4yvzBejNu2394LAmg@mail.gmail.com>
2013-03-01 10:13               ` [Qemu-devel] [ARM] Cortex-R4F and VFP3-D16 Fabien Chouteau
2013-03-01 10:40                 ` Peter Maydell
2013-03-01 11:21                   ` Fabien Chouteau
2013-03-01 11:32                     ` Peter Maydell
2013-03-01 12:07                       ` Fabien Chouteau
2013-03-01 12:16                         ` Peter Maydell
2013-03-01 13:43                           ` Fabien Chouteau
2013-03-01 15:10                             ` Fabien Chouteau [this message]
2013-03-01 15:22                               ` Peter Maydell
2013-03-01 18:54     ` Andreas Färber
2013-03-04  9:58       ` Fabien Chouteau

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