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

73 lines
2.8 KiB
C

/* $NetBSD: pcb.h,v 1.13 2002/01/12 01:40:36 enami Exp $ */
/*
* Copyright (c) 1988 University of Utah.
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* the Systems Programming Group of the University of Utah Computer
* Science Department and 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.
*
* from: Utah Hdr: pcb.h 1.13 89/04/23
*
* @(#)pcb.h 8.1 (Berkeley) 6/10/93
*/
#include <mips/reg.h>
/*
* MIPS process control block
*/
struct pcb
{
struct fpreg pcb_fpregs; /* saved floating point registers */
mips_reg_t pcb_context[12]; /* kernel context for resume */
caddr_t pcb_onfault; /* for copyin/copyout faults */
u_int32_t pcb_ppl; /* previous priority level */
};
/*
* The pcb is augmented with machine-dependent additional data for
* core dumps.
*/
struct md_coredump {
mips_reg_t md_regs[38];
struct fpreg md_fpregs;
};
#ifdef _KERNEL
extern struct pcb *curpcb; /* the current running pcb */
extern struct segtab *segbase; /* current segtab base */
#define PCB_FSR(pcb) ((pcb)->pcb_fpregs.r_regs[FSR - FPBASE])
#endif