Re: [Qemu-devel] ARM XScale extension

[Thorsten Zitterell]

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