/* $OpenBSD: proc.h,v 1.11 2017/04/13 03:52:25 guenther Exp $ */ /* * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * Ralph Campbell. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)proc.h 8.1 (Berkeley) 6/10/93 */ #ifndef _MIPS64_PROC_H_ #define _MIPS64_PROC_H_ /* * Machine-dependent part of the proc structure. */ struct mdproc { struct trapframe *md_regs; /* registers on current frame */ volatile int md_astpending; /* AST pending for this process */ int md_flags; /* machine-dependent flags */ vaddr_t md_uarea; /* allocated uarea virtual addr */ void *md_tcb; /* user-space thread-control-block */ /* ptrace fields */ vaddr_t md_ss_addr; /* single step address */ uint32_t md_ss_instr; /* saved single step instruction */ /* fpu emulation fields */ vaddr_t md_fppgva; /* vaddr of the branch emulation page */ vaddr_t md_fpbranchva; /* vaddr of fp branch destination */ vaddr_t md_fpslotva; /* initial vaddr of delay slot */ int32_t md_obsolete[10]; /* Were RM7000-specific data. */ }; /* * Values for md_flags. * MDP_FPUSED has two meanings: if the floating point hardware (coprocessor * #1) is available, it means it has been used; if there is no floating * point hardware, it means the process is currently running a duplicated * delay slot, created by the branch emulation logic. */ #define MDP_FPUSED 0x00000001 /* floating point coprocessor used */ #define MDP_PERF 0x00010000 /* Performance counter used */ #define MDP_WATCH1 0x00020000 /* Watch register 1 used */ #define MDP_WATCH2 0x00040000 /* Watch register 1 used */ #define MDP_FORKSAVE 0x0000ffff /* Flags to save when forking */ #endif /* !_MIPS64_PROC_H_ */