1100384Speter/* $OpenBSD: pcb.h,v 1.3 1998/09/15 10:50:12 pefo Exp $ */ 2100384Speter 3100384Speter/*- 4100384Speter * Copyright (c) 1988 University of Utah. 5100384Speter * Copyright (c) 1992, 1993 6100384Speter * The Regents of the University of California. All rights reserved. 7100384Speter * 8100384Speter * This code is derived from software contributed to Berkeley by 9100384Speter * the Systems Programming Group of the University of Utah Computer 10100384Speter * Science Department and Ralph Campbell. 11100384Speter * 12100384Speter * Redistribution and use in source and binary forms, with or without 13100384Speter * modification, are permitted provided that the following conditions 14100384Speter * are met: 15100384Speter * 1. Redistributions of source code must retain the above copyright 16100384Speter * notice, this list of conditions and the following disclaimer. 17100384Speter * 2. Redistributions in binary form must reproduce the above copyright 18100384Speter * notice, this list of conditions and the following disclaimer in the 19100384Speter * documentation and/or other materials provided with the distribution. 20100384Speter * 4. Neither the name of the University nor the names of its contributors 21100384Speter * may be used to endorse or promote products derived from this software 22100384Speter * without specific prior written permission. 23100384Speter * 24100384Speter * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25100384Speter * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26100384Speter * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27118031Sobrien * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28118031Sobrien * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29118031Sobrien * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30104738Speter * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31104738Speter * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32100384Speter * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33100384Speter * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34100384Speter * SUCH DAMAGE. 35162954Sphk * 36100384Speter * from: Utah Hdr: pcb.h 1.13 89/04/23 37100384Speter * from: @(#)pcb.h 8.1 (Berkeley) 6/10/93 38100384Speter * JNPR: pcb.h,v 1.2 2006/08/07 11:51:17 katta 39123746Speter * $FreeBSD: releng/10.3/sys/mips/include/pcb.h 249882 2013-04-25 06:29:23Z imp $ 40100384Speter */ 41100384Speter 42161343Sjkim#ifndef _MACHINE_PCB_H_ 43100384Speter#define _MACHINE_PCB_H_ 44100384Speter 45100384Speter/* 46151909Sps * used by switch.S 47100384Speter */ 48100384Speter#define PCB_REG_S0 0 49100384Speter#define PCB_REG_S1 1 50100384Speter#define PCB_REG_S2 2 51100384Speter#define PCB_REG_S3 3 52100384Speter#define PCB_REG_S4 4 53100384Speter#define PCB_REG_S5 5 54100384Speter#define PCB_REG_S6 6 55100384Speter#define PCB_REG_S7 7 56146950Sps#define PCB_REG_SP 8 57100384Speter#define PCB_REG_S8 9 58100384Speter#define PCB_REG_RA 10 59100384Speter#define PCB_REG_SR 11 60100384Speter#define PCB_REG_GP 12 61100384Speter#define PCB_REG_PC 13 62100384Speter 63150883Sjhb#ifndef LOCORE 64113859Sjhb#include <machine/frame.h> 65100384Speter 66100384Speter/* 67100384Speter * MIPS process control block 68162551Sdavidxu */ 69100384Speterstruct pcb 70162551Sdavidxu{ 71100384Speter struct trapframe pcb_regs; /* saved CPU and registers */ 72127140Sjhb __register_t pcb_context[14]; /* kernel context for resume */ 73157285Sps void *pcb_onfault; /* for copyin/copyout faults */ 74157285Sps register_t pcb_tpc; 75100384Speter}; 76100384Speter 77100384Speter#ifdef _KERNEL 78100384Speterextern struct pcb *curpcb; /* the current running pcb */ 79100384Speter 80100384Spetervoid makectx(struct trapframe *, struct pcb *); 81100384Speterint savectx(struct pcb *) __returns_twice; 82100384Speter#endif 83100384Speter#endif 84151582Sps 85151582Sps#endif /* !_MACHINE_PCB_H_ */ 86119333Speter