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From: Avi Kivity <avi@redhat.com>
To: Heli <helicoterus-elih@yahoo.it>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] How does a system call work on QEMU?
Date: Thu, 14 May 2009 19:40:11 +0300	[thread overview]
Message-ID: <4A0C496B.3080601@redhat.com> (raw)
In-Reply-To: <4A0C184D.3030307@yahoo.it>

Heli wrote:
> Does QEMU generate a system call that goes to libc library and the to 
> the kernel?
> Then the kernel run it on hardware, kernel replies to libc and libc 
> notifies to QEMU. QEMU replies to guest O.S, is it true?

No.  Look at target-i386/translate.c, case 0x105 for syscall emulation.  
Eventually it ends up calling helper_syscall().

-- 
error compiling committee.c: too many arguments to function

  reply	other threads:[~2009-05-14 16:40 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
2009-05-14 13:10   ` Heli
2009-05-14 16:40     ` Avi Kivity [this message]
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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