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/* $OpenBSD: pcb.h,v 1.11 2007/07/29 20:15:56 kettenis Exp $ */
/*
* Copyright (c) 1999-2004 Michael Shalayeff
* All rights reserved.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR OR HIS RELATIVES 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 MIND, 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.
*/
#ifndef _MACHINE_PCB_H_
#define _MACHINE_PCB_H_
#include <machine/reg.h>
struct pcb {
u_int64_t pcb_fpregs[HPPA_NFPREGS+1]; /* not in the trapframe */
vaddr_t pcb_uva; /* KVA for U-area */
/*
* The members above are primarily accessed by there physical
* address, wheras the members below are accessed exclusively
* by there virtual address. Unfortunately this structure
* ends up being non-equivalently mapped, which will cause
* data corruption if those members share a cache line. Since
* the maximum cache line size is 64 bytes, adding 64 bytes of
* padding makes sure that will never happen.
*/
u_char pcb_pad[64];
u_int pcb_ksp; /* kernel sp for ctxsw */
u_int pcb_onfault; /* SW copy fault handler */
pa_space_t pcb_space; /* copy pmap_space, for asm's sake */
/* things used for hpux emulation */
void *pcb_sigreturn;
u_int pcb_srcookie;
u_int pcb_sclen;
};
struct md_coredump {
struct reg md_reg;
struct fpreg md_fpreg;
};
#endif /* _MACHINE_PCB_H_ */
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