1/* $NetBSD: proc.h,v 1.26 2011/01/14 02:06:28 rmind Exp $ */ 2 3/* 4 * Copyright (c) 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Ralph Campbell. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * @(#)proc.h 8.1 (Berkeley) 6/10/93 35 */ 36 37#ifndef _MIPS_PROC_H_ 38#define _MIPS_PROC_H_ 39 40#include <sys/param.h> 41#include <mips/vmparam.h> 42 43struct lwp; 44 45/* 46 * Machine-dependent part of the lwp structure for MIPS 47 */ 48struct trapframe; 49 50struct mdlwp { 51 struct trapframe *md_utf; /* trapframe from userspace */ 52 vaddr_t md_ss_addr; /* single step address for ptrace */ 53 int md_ss_instr; /* single step instruction for ptrace */ 54 volatile int md_astpending; /* AST pending on return to userland */ 55#if USPACE > PAGE_SIZE 56 int md_upte[USPACE/4096]; /* ptes for mapping u page */ 57#else 58 int md_dpte[USPACE/4096]; /* dummy ptes to keep the same */ 59#endif 60}; 61 62struct mdproc { 63 /* syscall entry for this process */ 64 void (*md_syscall)(struct lwp *, u_int, u_int, vaddr_t); 65 int md_abi; /* which ABI is this process using? */ 66}; 67 68/* md_flags */ 69 70#ifdef _KERNEL 71struct lwp; 72 73/* kernel single-step emulation */ 74int mips_singlestep(struct lwp *); 75 76#define LWP0_CPU_INFO &cpu_info_store /* staticly set in lwp0 */ 77#endif /* _KERNEL */ 78 79#endif /* _MIPS_PROC_H_ */ 80