Message-ID: <54C98EF3.3070405@sunrus.com.cn>
Date: Thu, 29 Jan 2015 09:37:55 +0800
From: Chen Gang S <gang.chen@sunrus.com.cn>
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Subject: Re: [Qemu-devel] [PATCH] linux-user/syscall.c: Let all
 lock_user_struct() and unlock_user_struct() paired with each other
To: Peter Maydell <peter.maydell@linaro.org>
Cc: QEMU Trivial <qemu-trivial@nongnu.org>, Riku Voipio <riku.voipio@iki.fi>, Michael Tokarev <mjt@tls.msk.ru>, qemu-devel <qemu-devel@nongnu.org>

On 1/29/15 06:36, Peter Maydell wrote:
> On 28 January 2015 at 22:09, Chen Gang S <gang.chen@sunrus.com.cn> wrote:
>>  - Is what I said above really correct (e.g. is linux-user really mainly
>>    for cpu emulation)?.
> 
> Not really. linux-user is mainly for running single Linux binaries.
> It has a secondary use for running gcc test binaries which think
> they are "bare metal" but actually use some kind of semihosting API.
> (You should check whether tile has one of those.)
> 
> As well as linux-user mode, QEMU has system emulation mode, where
> we emulate a complete machine.
> 
> Both modes need CPU emulation.
> 

OK, thanks.

For coding and test, is linux-user a good starting position for me? (I
guess it is).


Thanks.
-- 
Chen Gang

Open, share, and attitude like air, water, and life which God blessed