linux-kernel - Re: [x86] Build error at arch/x86/boot/bioscall.S

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Message-ID: <20090616093056.GD6270@cr0.nay.redhat.com>
Date:	Tue, 16 Jun 2009 17:30:56 +0800
From:	Amerigo Wang <xiyou.wangcong@...il.com>
To:	Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>
Cc:	xiyou.wangcong@...il.com, hpa@...or.com,
	linux-kernel@...r.kernel.org
Subject: Re: [x86] Build error at arch/x86/boot/bioscall.S

On Tue, Jun 16, 2009 at 05:25:34PM +0900, Tetsuo Handa wrote:
>Amerigo Wang wrote:
>> How about:
>> 
>> - movw 68(%esp), %di
>> + movzwl %sp, %ebx
>> + movw 68(%ebx), %di
>> 
>> ? Does this work?
>No.
>
>arch/x86/boot/bioscall.S: Assembler messages:
>arch/x86/boot/bioscall.S:69: Error: `68(%ebx)' is not a valid 16 bit base/index expression
>make[1]: *** [arch/x86/boot/bioscall.o] Error 1
>make: *** [bzImage] Error 2

Ok, how about:

- movw 68(%esp), %di
+ addl $68, %esp
+ popw %di
+ subl $66, %esp

?
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