NetBSD/sys/arch/mips/include/proc.h

78 lines
2.9 KiB
C

/* $NetBSD: proc.h,v 1.15 2002/11/09 20:05:57 thorpej 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. 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 _MIPS_PROC_H_
#define _MIPS_PROC_H_
struct proc;
/*
* Machine-dependent part of the proc structure for MIPS
*/
struct mdproc {
void *md_regs; /* registers on current frame */
int md_flags; /* machine-dependent flags */
int md_upte[UPAGES]; /* ptes for mapping u page */
vaddr_t md_ss_addr; /* single step address for ptrace */
int md_ss_instr; /* single step instruction for ptrace */
__volatile int md_astpending; /* AST pending on return to userland */
/* syscall entry for this process */
void (*md_syscall)(struct proc *, u_int, u_int, u_int);
};
/* md_flags */
#define MDP_FPUSED 0x0001 /* floating point coprocessor used */
/*
* MIPS trapframe
*/
struct frame {
mips_reg_t f_regs[38];
u_int32_t f_ppl; /* previous priority level */
int32_t f_pad; /* for 8 byte aligned */
};
#ifdef _KERNEL
/* kernel single-step emulation */
int mips_singlestep(struct proc *p);
#endif /* _KERNEL */
#endif /* _MIPS_PROC_H_ */