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

[Michael S. Zick]

On Tue June 16 2009, Amerigo Wang wrote:
> 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
> 

I do hope you have interrupts disabled around that chunk.
Just how old is the toolchain (some didn't do 16bit worth a sh..)?

Mike

> ?
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