1/*- 2 * Copyright (c) 1994 S��ren Schmidt 3 * Copyright (c) 1994 Sean Eric Fagan 4 * Copyright (c) 1995 Steven Wallace 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer 12 * in this position and unchanged. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. The name of the author may not be used to endorse or promote products 17 * derived from this software without specific prior written permission 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31#include <sys/cdefs.h> 32__FBSDID("$FreeBSD$"); 33 34#include <sys/param.h> 35#include <sys/lock.h> 36#include <sys/mutex.h> 37#include <sys/systm.h> 38#include <sys/sysent.h> 39#include <sys/proc.h> 40 41#include <machine/cpu.h> 42 43#include <i386/ibcs2/ibcs2_types.h> 44#include <i386/ibcs2/ibcs2_signal.h> 45#include <i386/ibcs2/ibcs2_proto.h> 46#include <i386/ibcs2/ibcs2_isc_syscall.h> 47 48extern struct sysent isc_sysent[]; 49 50int 51ibcs2_isc(struct thread *td, struct ibcs2_isc_args *uap) 52{ 53 struct trapframe *tf = td->td_frame; 54 struct sysent *callp; 55 u_int code; 56 int error; 57 58 code = (tf->tf_eax & 0xffffff00) >> 8; 59 callp = &isc_sysent[code]; 60 61 if (code < IBCS2_ISC_MAXSYSCALL) 62 error = (*callp->sy_call)(td, (void *)uap); 63 else 64 error = ENOSYS; 65 return (error); 66} 67