/*-
 * Copyright (c) 1994 Søren Schmidt
 * 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
 *    in this position and unchanged.
 * 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.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software withough specific prior written permission
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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: ibcs2_sysi86.c,v 1.1 1994/10/14 08:53:11 sos Exp $
 */

#include <i386/ibcs2/ibcs2.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/proc.h>


struct ibcs2_sysi86_args {
	int cmd;
	int *arg;
};

int
ibcs2_sysi86(struct proc *p, struct ibcs2_sysi86_args *args, int *retval)
{
	switch (args->cmd) {
	case 0x28: {	/* SI86_FPHW */
		int val, error;
		extern int hw_float;

		if (hw_float) val = IBCS2_FP_387;	/* FPU hardware */
		else val = IBCS2_FP_SW;			/* FPU emulator */

		if (error = copyout(&val, args->arg, sizeof(val)))
			return error;
		return 0;
		}

	case 0x33:	/* SI86_MEM */
		*retval = ctob(physmem);
		return 0;

	default:
		printf("IBCS2: 'sysi86' function %d(0x%x) "
			"not implemented yet\n", args->cmd, args->cmd);
		return EINVAL;
	}
}