Message-ID: <4B05187F.6030809@einfochips.com>
Date: Thu, 19 Nov 2009 15:35:51 +0530
From: Viral Mehta <viral.mehta@einfochips.com>
Organization: eIbfochips Ltd.
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To: Johnny Hung <johnny.hacking@gmail.com>
CC: kernelnewbies@nl.linux.org, linux-kernel@vger.kernel.org,
       linux-embedded@vger.kernel.org
Subject: Re: How to move two valuables to x86 CPU register ebx, ecx by using
 AT&A 	inline asm.
References: <cb9ecdfa0911190150w4edbacdfp24a7069c618193f4@mail.gmail.com>
In-Reply-To: <cb9ecdfa0911190150w4edbacdfp24a7069c618193f4@mail.gmail.com>
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How about putting \n at the end ?

Just try out,

__asm__ volatile ("movl %0, %%ebx\n"
          "movl %1, %%ecx\n"


Thanks,
Viral Mehta,
Embedded Software Engineer,
Tel. No. 91 79 26563705, Ext. 423
www.einfochips.com <http://www.einfochips.com>
Prepare and Prevent rather than Repair and Repent


Johnny Hung wrote:
> Hi All:
>     I want to move two local valuables to x86 arch CPU ebx, ecx
> register and do outb cpu instruction by using AT&A inline asm in
> kernel driver.  The following code was I wrote but gcc report syntax
> error:
> ==
>     unsigned int val = 10;
>     unsigned int tmp = 5;
>     ....
>     __asm__ volatile ("movl %0, %%ebx"
>           "movl %1, %%ecx"
>           "outb $0x27, $0xb2"
>           :
>           :"r"(val), "r"(tmp)
>           :"%ebx", "%ecx"
>    );
>
> Does anyone can point me out. Any reply is appreciated.
>
> BRs, H. Johnny
>
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