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


From: helicoterus-elih
Subject: Re: [Qemu-devel] How does a system call work on QEMU?
Date: Thu, 14 May 2009 06:50:08 +0000 (GMT)


> 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?







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