From: Avi Kivity <avi@redhat.com>
To: "Kevin O'Connor" <kevin@koconnor.net>,
"seabios@seabios.org" <seabios@seabios.org>,
KVM list <kvm@vger.kernel.org>
Subject: Re: seabios 0.6.1 regression
Date: Mon, 15 Nov 2010 18:09:45 +0200 [thread overview]
Message-ID: <4CE15B49.4000509@redhat.com> (raw)
In-Reply-To: <4CE1568B.1090207@redhat.com>
On 11/15/2010 05:49 PM, Avi Kivity wrote:
> On 11/15/2010 05:41 PM, Avi Kivity wrote:
>>
>> I think it's a miscompile.
>>
>> out/code16.o:
>> 1a4: 3e ds
>> 1a5: 6c insb (%dx),%es:(%edi)
>>
>> Note no 66 prefix.
>>
>
> It isn't, that was random crap. All the insb() code is 32-bit.
>
Rewriting it to use inb / stos works (jecxz ; insb; loop doesn't) so it
looks like a kernel bug in insb emulation.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2010-11-15 16:10 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-15 13:39 seabios 0.6.1 regression Avi Kivity
2010-11-15 15:04 ` Avi Kivity
2010-11-15 15:12 ` Avi Kivity
2010-11-15 15:34 ` Avi Kivity
2010-11-15 15:41 ` Avi Kivity
2010-11-15 15:49 ` Avi Kivity
2010-11-15 16:09 ` Avi Kivity [this message]
2010-11-16 0:18 ` Kevin O'Connor
2010-11-16 9:05 ` Avi Kivity
2010-11-16 10:47 ` Avi Kivity
2010-11-16 13:19 ` Alexander Graf
2010-11-16 14:15 ` Avi Kivity
2010-11-16 14:17 ` Alexander Graf
2010-11-16 14:27 ` Avi Kivity
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