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/*-
* 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;
}
}
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