86 lines
2.9 KiB
C
86 lines
2.9 KiB
C
/* $NetBSD: pcb.h,v 1.28 2021/03/13 17:14:11 skrll Exp $ */
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/*
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* Copyright (c) 1988 University of Utah.
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* the Systems Programming Group of the University of Utah Computer
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* Science Department and Ralph Campbell.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: Utah Hdr: pcb.h 1.13 89/04/23
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*
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* @(#)pcb.h 8.1 (Berkeley) 6/10/93
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*/
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#ifndef _MIPS_PCB_H_
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#define _MIPS_PCB_H_
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#include <mips/types.h>
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#include <mips/reg.h>
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struct pcb_faultinfo {
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void *pfi_faultptep;
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vaddr_t pfi_faultaddr;
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u_int pfi_repeats;
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pid_t pfi_lastpid;
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uint8_t pfi_faulttype;
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};
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/*
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* MIPS process control block
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*/
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struct pcb {
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mips_label_t pcb_context; /* kernel context for resume */
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void *pcb_onfault; /* for copyin/copyout faults */
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uint32_t pcb_ppl; /* previous priority level */
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struct fpreg pcb_fpregs; /* saved floating point registers */
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struct dspreg pcb_dspregs; /* saved DSP registers */
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struct pcb_faultinfo pcb_faultinfo;
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};
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/*
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* The pcb is augmented with machine-dependent additional data for
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* core dumps.
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*/
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struct md_coredump {
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mips_reg_t md_regs[38];
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struct fpreg md_fpregs;
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};
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#ifdef _KERNEL
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#define PCB_FSR(pcb) ((pcb)->pcb_fpregs.r_regs[_R_FSR - _FPBASE])
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#endif
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#ifndef _KERNEL
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/* Connect the dots for crash(8). */
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vaddr_t db_mach_addr_cpuswitch(void);
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#endif
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#endif /*_MIPS_PCB_H_*/
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