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Re: [Qemu-devel] IO port 0x61 is multiple used
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From: |
Gonglei |
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Subject: |
Re: [Qemu-devel] IO port 0x61 is multiple used |
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Date: |
Tue, 17 Mar 2015 15:11:30 +0800 |
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User-agent: |
Mozilla/5.0 (Windows NT 6.1; rv:31.0) Gecko/20100101 Thunderbird/31.4.0 |
On 2015/3/15 20:49, Weidong Huang wrote:
> Hi ALL:
>
> IO port 0x61 is used by pc speaker and NMI reason port.
>
> This is ambiguous. How to distinguish in QEMU?
>
> I see that NMI reason port is not realized in QEMU.
>
> But linux guest will access this port to determine what the NMI reason code
> means.
>
> It will access pc speaker's io port. Is this a bug?
>
Gerd, any thoughts?
Thanks,
-Gonglei