1 /* $NetBSD: proc.h,v 1.33 2020/12/06 03:46:23 christos 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 <machine/vmparam.h> 42 43 struct lwp; 44 45 /* 46 * Machine-dependent part of the lwp structure for MIPS 47 */ 48 struct trapframe; 49 50 struct 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 int md_upte[UPAGES_MAX]; /* ptes for mapping u page */ 56 }; 57 58 struct mdproc { 59 /* syscall entry for this process */ 60 void (*md_syscall)(struct lwp *, u_int, u_int, __vaddr_t); 61 int md_abi; /* which ABI is this process using? */ 62 }; 63 64 /* md_flags */ 65 66 #ifdef _KERNEL 67 struct lwp; 68 69 /* kernel single-step emulation */ 70 int mips_singlestep(struct lwp *); 71 72 #define LWP0_CPU_INFO &cpu_info_store /* staticly set in lwp0 */ 73 #endif /* _KERNEL */ 74 75 #endif /* _MIPS_PROC_H_ */ 76