afd97f3579
they're allocated in directly mapped memory to avoid aliasing problems and unnecessary cache flushing. Fix various names and references. If we ever directly map the uarea and pcb we can change things at that point. Significantly helps my J210 (PA7200). Mostly from OpenBSD.
51 lines
1.8 KiB
C
51 lines
1.8 KiB
C
/* $NetBSD: pcb.h,v 1.9 2010/03/16 16:20:19 skrll Exp $ */
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/* $OpenBSD: pcb.h,v 1.6 2000/01/12 07:24:35 mickey Exp $ */
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/*
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* Copyright (c) 1999-2004 Michael Shalayeff
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* All rights reserved.
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _HPPA_PCB_H_
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#define _HPPA_PCB_H_
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#include <machine/reg.h>
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struct pcb {
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struct fpreg *pcb_fpregs; /* not in the trapframe */
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u_int pcb_onfault; /* SW copy fault handler */
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pa_space_t pcb_space; /* copy pmap_space, for asm's sake */
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u_int pcb_ksp; /* kernel sp for ctxsw */
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};
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struct md_coredump {
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struct reg md_reg;
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struct fpreg md_fpreg;
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};
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#endif /* _HPPA_PCB_H_ */
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