From: Paul Brook <paul@codesourcery.com>
To: qemu-devel@nongnu.org, helicoterus-elih@yahoo.it
Subject: Re: [Qemu-devel] How does a system call work on QEMU?
Date: Thu, 14 May 2009 11:19:01 +0100 [thread overview]
Message-ID: <200905141119.01914.paul@codesourcery.com> (raw)
In-Reply-To: <877930.94637.qm@web28603.mail.ukl.yahoo.com>
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On Thursday 14 May 2009, helicoterus-elih@yahoo.it wrote:
> > Which mode of Qemu operations do you refer to? if you refer to full
> > MMU emulation (no KVM or kqemu involved then), then intercepting
> > syscall is basically intercepting interrupt 80 hex or SYSENTER/SYSCALL
> > into host user mode instruction during code translation.
>
> Ok, I refer to full emulation.
> When QEMU intercepts a system call what does it do? What type of
> translation or modification does it perform?
It does exactly the same as real hardware.
Paul
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next prev parent reply other threads:[~2009-05-14 10:19 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-14 6:50 [Qemu-devel] How does a system call work on QEMU? helicoterus-elih
2009-05-14 10:19 ` Paul Brook [this message]
2009-05-14 13:10 ` Heli
2009-05-14 16:40 ` Avi Kivity
2009-05-14 17:11 ` grisu46
2009-05-14 17:48 ` Avi Kivity
2009-05-14 18:00 ` grisu46
2009-05-15 4:49 ` Glauber Costa
2009-05-17 8:46 ` Heli
2009-05-17 9:31 ` Avi Kivity
2009-05-17 14:41 ` Fernando Carrijo
2009-05-14 14:57 ` Mulyadi Santosa
-- strict thread matches above, loose matches on Subject: below --
2009-05-15 8:54 helicoterus-elih
2009-05-13 18:41 helicoterus-elih
2009-05-14 4:38 ` Mulyadi Santosa
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