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Re: [Qemu-devel] Single 64bit memory transaction instead of two 32bit me
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From: |
Richard Henderson |
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Subject: |
Re: [Qemu-devel] Single 64bit memory transaction instead of two 32bit memory transaction |
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Date: |
Sat, 03 Sep 2011 07:23:30 +0530 |
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User-agent: |
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.20) Gecko/20110817 Fedora/3.1.12-1.fc14 Thunderbird/3.1.12 |
On 09/02/2011 12:46 AM, Adnan Khaleel wrote:
> Is there anyway we can prevent Qemu breaking up 64,128 and 256bit XMM or YMM
> instructions into smaller chunks and have them issue as a single transaction
> of the original width?
Not yet. The new MemoryRegion API will allow this, but we need to convert all
the devices first, then rip out the old API.
It's a work in progress...
r~