freebsd-dev/lib/libc/i386/sys/i386_get_ioperm.c

58 lines
1.9 KiB
C

/*-
* Copyright (c) 1998 Jonathan Lemon
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: i386_get_ioperm.c,v 1.1 1998/07/28 03:39:03 jlemon Exp $
*/
#if defined(LIBC_RCS) && !defined(lint)
static const char rcsid[] = "$Id: i386_get_ioperm.c,v 1.1 1998/07/28 03:39:03 jlemon Exp $";
#endif /* LIBC_RCS and not lint */
#include <machine/sysarch.h>
struct parms {
unsigned int start;
unsigned int length;
int enable;
};
int
i386_get_ioperm(unsigned int start, unsigned int *length, int *enable)
{
struct parms p;
int error;
p.start = start;
p.length = *length;
p.enable = *enable;
error = sysarch(I386_GET_IOPERM, (char *)&p);
*length = p.length;
*enable = p.enable;
return (error);
}