Date: Mon, 7 Dec 1998 22:31:02 +0200 (SAT) From: Robert Nordier <rnordier@nordier.com> To: imp@village.org (Warner Losh) Cc: hackers@FreeBSD.ORG Subject: Re: How could this work? Message-ID: <199812072031.WAA00262@ceia.nordier.com> In-Reply-To: <199812072007.NAA05124@harmony.village.org> from Warner Losh at "Dec 7, 98 01:07:30 pm"
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Warner Losh wrote: > I was looking at the libretto confin program that was just ported to > FreeBSD via the ports mechanism. It has code that looks like: > > movl 8(%ebp),%eax > movl 12(%ebp),%ebx > movl 16(%ebp),%ecx > inb $0x0b2,%al /* invoke SMI */ > > How the heck can that work? I'm confused... IIRC, reads and writes involving port 0xb2 are done for their side-effects (to cause an SMI, put CPU into sleep mode, etc). -- Robert Nordier To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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