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Re: [Qemu-devel] [PATCH] Add optionrom compatible with fw_cfg DMA versio
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From: |
Paolo Bonzini |
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Subject: |
Re: [Qemu-devel] [PATCH] Add optionrom compatible with fw_cfg DMA version |
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Date: |
Fri, 8 Jan 2016 17:09:39 +0100 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.4.0 |
On 08/01/2016 17:05, Marc Marí wrote:
>> > Do you even need to go to 32-bit mode? The only reason to do so in
>> > the original ROM was to do a "rep insb" above 1 GB, but here fw_cfg
>> > can do DMA to high addresses for you.
> There's no need of course. I was looking at the original ROM and I did
> not think this through.
Nice, this should make the code much simpler!
Paolo