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Re: [Qemu-devel] How does a system call work on QEMU?


From: Avi Kivity
Subject: Re: [Qemu-devel] How does a system call work on QEMU?
Date: Thu, 14 May 2009 19:40:11 +0300
User-agent: Thunderbird 2.0.0.21 (X11/20090320)

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





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