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Re: [Qemu-devel] ARM XScale extension
From: |
Thorsten Zitterell |
Subject: |
Re: [Qemu-devel] ARM XScale extension |
Date: |
Thu, 05 Oct 2006 00:46:40 +0200 |
User-agent: |
Thunderbird 1.5.0.7 (X11/20061003) |
Hi,
Lennert Buytenhek wrote:
> On Wed, Oct 04, 2006 at 11:49:23PM +0200, Thorsten Zitterell wrote:
>
>> the attached file includes preliminary support for the Intel XScale CPU.
> You don't seem to truncate acc0 to 40 bits? The DSP coprocessor in
> non-iWMMXt xscale cores does truncate, and some future version of Linux
> (2.6.20?) might use this as a test to determine whether the CPU we're
> running on is iWMMXt-capable or not:
I want to emulate the PXA255. Probably the best way to differentiate
between both cases is to have a new feature like "ARM_FEATURE_IWMMXT"
depending on the cpu id.
-- Thorsten