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/* $OpenBSD: proc.h,v 1.8 2011/03/23 16:54:36 pirofti 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 trap_frame *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 */
/* 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 */
/* The following is RM7000 dependent, but kept in for compatibility */
int md_pc_ctrl; /* performance counter control */
int md_pc_count; /* performance counter */
int md_pc_spill; /* performance counter spill */
quad_t md_watch_1;
quad_t md_watch_2;
int md_watch_m;
};
/*
* 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_ */
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