X-Authentication-Warning:	delorie.com: mailnull set sender to djgpp-bounces using -f
From:	Charles Sandmann <sandmann AT clio DOT rice DOT edu>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: DJGPP -how to exec RD/WRMSR
Date:	Tue, 08 Jan 2002 13:57:29 CST
Organization:	Rice University, Houston TX
Lines:	9
Message-ID:	<3c3b4f29.sandmann@clio.rice.edu>
References:	<umzzo3p5suw DOT fsf AT prashant DOT blr DOT in DOT yahoo DOT com>
NNTP-Posting-Host:	clio.rice.edu
X-Trace:	joe.rice.edu 1010519845 14548 128.42.105.3 (8 Jan 2002 19:57:25 GMT)
X-Complaints-To:	abuse AT rice DOT edu
NNTP-Posting-Date:	8 Jan 2002 19:57:25 GMT
X-NewsEditor:	ED-1.5.9
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp
Reply-To:	djgpp AT delorie DOT com

> > How can i execute RDMSR or WRMSR instruction in my DJGPP program?
> > When i do it via direct opcode in inline AT&T assembler it crashes
> > on SIGSEGV. When i execute it in ASM program it works fine.
> > I know that this is some 32bit privileg instruction....

What environment?  DOS?  

Use CWSDPR0 or PMODE to get a ring 0 DPMI provider.

- Raw text -