65 lines
2.3 KiB
C
65 lines
2.3 KiB
C
/*-
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* Copyright (c) 1994 Søren Schmidt
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* Copyright (c) 1994 Sean Eric Fagan
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* Copyright (c) 1995 Steven Wallace
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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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* $Id: ibcs2_isc.c,v 1.8 1997/02/22 09:33:21 peter Exp $
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/sysent.h>
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#include <sys/proc.h>
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#include <machine/cpu.h>
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#include <machine/psl.h>
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#include <machine/reg.h>
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#include <i386/ibcs2/ibcs2_types.h>
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#include <i386/ibcs2/ibcs2_signal.h>
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#include <i386/ibcs2/ibcs2_util.h>
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#include <i386/ibcs2/ibcs2_proto.h>
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#include <i386/ibcs2/ibcs2_isc_syscall.h>
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extern struct sysent isc_sysent[];
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int
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ibcs2_isc(struct proc *p, struct ibcs2_isc_args *uap, int *retval)
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{
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struct trapframe *tf = p->p_md.md_regs;
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struct sysent *callp;
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u_int code;
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code = (tf->tf_eax & 0xffffff00) >> 8;
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callp = &isc_sysent[code];
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if(code < IBCS2_ISC_MAXSYSCALL)
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return((*callp->sy_call)(p, (void *)uap, retval));
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else
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return ENOSYS;
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}
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