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/* $OpenBSD: proc.h,v 1.2 2006/11/28 18:52:23 kettenis Exp $ */
/* $NetBSD: proc.h,v 1.10 2005/12/11 12:18:58 christos Exp $ */
/*
* Copyright (c) 2002 The NetBSD Foundation, Inc. All rights reserved.
* Copyright (c) 1991 Regents of the University of California.
* 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.
* 3. 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.
*
* @(#)proc.h 7.1 (Berkeley) 5/15/91
*/
#ifndef _SH_PROC_H_
#define _SH_PROC_H_
/*
* Machine-dependent part of the proc structure for sh.
*/
#include <machine/param.h>
/* Kernel stack PTE */
struct md_upte {
uint32_t addr;
uint32_t data;
};
struct mdproc {
struct trapframe *md_regs; /* user context */
struct pcb *md_pcb; /* pcb access address */
volatile int md_astpending; /* AST pending on return to userland */
int md_flags; /* machine-dependent flags */
/* u-area PTE: *2 .. SH4 data/address data array access */
struct md_upte md_upte[UPAGES * 2];
};
/* md_flags */
#define MDP_USEDFPU 0x0001 /* has used the FPU */
#define MDP_STEP 0x0002 /* single step */
#ifdef _KERNEL
#ifndef _LOCORE
extern void sh_proc0_init(void);
extern struct md_upte *curupte; /* SH3 wired u-area hack */
#endif /* _LOCORE */
#endif /* _KERNEL */
#endif /* !_SH_PROC_H_ */
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