76 lines
2.8 KiB
C
76 lines
2.8 KiB
C
/* $NetBSD: pcb.h,v 1.11 2023/09/26 14:33:55 tsutsui Exp $ */
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/*
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* Copyright (c) 1988 University of Utah.
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* Copyright (c) 1982, 1986, 1990, 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.
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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 $Hdr: pcb.h 1.14 91/03/25$
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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 _M68K_PCB_H_
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#define _M68K_PCB_H_
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#include <machine/frame.h>
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#include <machine/reg.h>
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/*
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* m68k process control block
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*/
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struct pcb {
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short pcb_flags; /* misc. process flags */
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short pcb_ps; /* processor status word */
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int __pcb_spare0;
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int pcb_usp; /* user stack pointer */
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int pcb_regs[12]; /* D2-D7, A2-A7 */
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void * pcb_onfault; /* for copyin/out faults */
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struct fpframe pcb_fpregs; /* 68881/2 context save area */
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};
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/* Positions within pcb_regs[] of A6 and A7 (FP and SP). For m68k DDB. */
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#define PCB_REGS_FP 10
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#define PCB_REGS_SP 11
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/*
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* The pcb is augmented with machine-dependent additional data for
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* core dumps. For the hp300, this includes an HP-UX exec header
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* which is dumped for HP-UX processes.
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*/
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struct md_coredump {
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int md_exec[16]; /* exec structure for HP-UX core dumps */
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};
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extern struct pcb *curpcb;
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#endif /* _M68K_PCB_H_ */
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