1994-10-14 08:53:16 +00:00
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/*-
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* Copyright (c) 1994 S<EFBFBD>ren Schmidt
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer
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* in this position and unchanged.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software withough specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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1995-05-30 08:16:23 +00:00
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* $Id: ibcs2_sysi86.c,v 1.1 1994/10/14 08:53:11 sos Exp $
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1994-10-14 08:53:16 +00:00
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*/
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#include <i386/ibcs2/ibcs2.h>
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/proc.h>
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struct ibcs2_sysi86_args {
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int cmd;
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int *arg;
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};
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int
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ibcs2_sysi86(struct proc *p, struct ibcs2_sysi86_args *args, int *retval)
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{
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switch (args->cmd) {
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case 0x28: { /* SI86_FPHW */
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int val, error;
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extern int hw_float;
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if (hw_float) val = IBCS2_FP_387; /* FPU hardware */
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else val = IBCS2_FP_SW; /* FPU emulator */
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1995-05-30 08:16:23 +00:00
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1994-10-14 08:53:16 +00:00
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if (error = copyout(&val, args->arg, sizeof(val)))
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return error;
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return 0;
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}
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case 0x33: /* SI86_MEM */
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*retval = ctob(physmem);
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return 0;
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default:
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printf("IBCS2: 'sysi86' function %d(0x%x) "
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"not implemented yet\n", args->cmd, args->cmd);
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return EINVAL;
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}
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}
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