From: Lionel Landwerlin <lionel.landwerlin@openwide.fr>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] question about syscall
Date: Sat, 07 Feb 2009 14:27:43 +0100 [thread overview]
Message-ID: <1234013263.13547.3.camel@cocoduo.atr> (raw)
In-Reply-To: <dec4146b0902070515y1d447578o6e5ffc29615ecf4d@mail.gmail.com>
Le samedi 07 février 2009 à 14:15 +0100, Antonio Ricci a écrit :
> Hi all,
>
>
> i'd want to understand how Qemu handles system calls while executing
> both Linux and Windows operating system.
A syscall is usually done by generating a cpu exception. In Qemu, when a
such exception is catched by a virtual cpu, Qemu executes the related
syscall (syscall number is usually put in a register). All of this
depends on the ABI.
--
Lione Landwerlin
O p e n W i d e 14, rue Gaillon 75002 Paris
next prev parent reply other threads:[~2009-02-07 13:27 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-07 13:15 [Qemu-devel] question about syscall Antonio Ricci
2009-02-07 13:27 ` Lionel Landwerlin [this message]
2009-02-07 17:33 ` Mulyadi Santosa
2009-02-09 19:23 ` Antonio Ricci
2009-02-11 6:25 ` Mulyadi Santosa
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