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Re: [Qemu-devel] [PATCH] debugcon: support for debugging consoles (e.g.
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From: |
H. Peter Anvin |
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Subject: |
Re: [Qemu-devel] [PATCH] debugcon: support for debugging consoles (e.g. Bochs port 0xe9) |
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Date: |
Fri, 01 Jan 2010 19:02:59 -0800 |
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User-agent: |
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.5) Gecko/20091209 Fedora/3.0-3.fc11 Thunderbird/3.0 |
On 12/30/2009 08:49 AM, Kevin O'Connor wrote:
>
> Hi,
>
> SeaBIOS writes debugging info to port 0x0402. Unfortunately, qemu has
> to be recompiled in order to display this info. Will your patch
> enable one to get at the 0x0402 data without recompiling?
>
> -Kevin
>
Incidentally, it's somewhat unusual choice of ports... port 0x80 is the
normal port for BIOSes to display debugging information on.
-hpa
--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.