1 /* $OpenBSD: proc.h,v 1.8 2011/03/23 16:54:36 pirofti 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 _MIPS64_PROC_H_ 38 #define _MIPS64_PROC_H_ 39 40 /* 41 * Machine-dependent part of the proc structure. 42 */ 43 struct mdproc { 44 struct trap_frame *md_regs; /* registers on current frame */ 45 volatile int md_astpending; /* AST pending for this process */ 46 int md_flags; /* machine-dependent flags */ 47 vaddr_t md_uarea; /* allocated uarea virtual addr */ 48 49 /* ptrace fields */ 50 vaddr_t md_ss_addr; /* single step address */ 51 uint32_t md_ss_instr; /* saved single step instruction */ 52 53 /* fpu emulation fields */ 54 vaddr_t md_fppgva; /* vaddr of the branch emulation page */ 55 vaddr_t md_fpbranchva; /* vaddr of fp branch destination */ 56 vaddr_t md_fpslotva; /* initial vaddr of delay slot */ 57 58 /* The following is RM7000 dependent, but kept in for compatibility */ 59 int md_pc_ctrl; /* performance counter control */ 60 int md_pc_count; /* performance counter */ 61 int md_pc_spill; /* performance counter spill */ 62 quad_t md_watch_1; 63 quad_t md_watch_2; 64 int md_watch_m; 65 }; 66 67 /* 68 * Values for md_flags. 69 * MDP_FPUSED has two meanings: if the floating point hardware (coprocessor 70 * #1) is available, it means it has been used; if there is no floating 71 * point hardware, it means the process is currently running a duplicated 72 * delay slot, created by the branch emulation logic. 73 */ 74 #define MDP_FPUSED 0x00000001 /* floating point coprocessor used */ 75 #define MDP_PERF 0x00010000 /* Performance counter used */ 76 #define MDP_WATCH1 0x00020000 /* Watch register 1 used */ 77 #define MDP_WATCH2 0x00040000 /* Watch register 1 used */ 78 #define MDP_FORKSAVE 0x0000ffff /* Flags to save when forking */ 79 80 #endif /* !_MIPS64_PROC_H_ */ 81