Inline assembly under FreeBSD

[Wojciech Puchar]

> 	asm("pushfl; stc; int $0x13; setc %%al; popfl"
> 	    : "+a" (ax), "+b" (bx), "=c" (cx), "+d" (dx)
> 	    : : "esi", "edi");
>
> 	if ((u8)ax)
> 		return -1;	/* No extended information */
> 	else
> 		return 1;	/* Extended information available */
> }
>
> When it is executing the int $0x13, it crashes with
> "Program received signal SIGBUS, Bus error."
>
> Could you guys give me a helping hand to identify
> what's the problem?
>
> Input and return values are at:
> http://en.wikipedia.org/wiki/INT_13

you are in 32-bit mode

>
> Thanks in advance.
>
> Kind regards
> Unga
>
>
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