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Date: Fri, 01 Mar 2013 16:10:45 +0100
From: Fabien Chouteau <chouteau@adacore.com>
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Subject: Re: [Qemu-devel] [ARM] Cortex-R4F and VFP3-D16
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To: Peter Maydell <peter.maydell@linaro.org>
Cc: Paul Brook <paul@codesourcery.com>, =?UTF-8?B?QW5kcmVhcyBGw6RyYmVy?= <afaerber@suse.de>, "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>

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