Date: Mon, 7 Apr 2008 12:24:32 +0200 (CEST) From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> To: Unga <unga888@yahoo.com> Cc: freebsd-questions@freebsd.org Subject: Re: Inline assembly under FreeBSD Message-ID: <20080407122423.S86337@wojtek.tensor.gdynia.pl> In-Reply-To: <687872.53069.qm@web57011.mail.re3.yahoo.com> References: <687872.53069.qm@web57011.mail.re3.yahoo.com>
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> 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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