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proc.h revision 1.7 
      1 /*	$NetBSD: proc.h,v 1.7 2004/03/24 15:38:41 wiz Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2002 The NetBSD Foundation, Inc. All rights reserved.
      5  * Copyright (c) 1991 Regents of the University of California.
      6  * All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  * 3. Neither the name of the University nor the names of its contributors
     17  *    may be used to endorse or promote products derived from this software
     18  *    without specific prior written permission.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     30  * SUCH DAMAGE.
     31  *
     32  *	@(#)proc.h	7.1 (Berkeley) 5/15/91
     33  */
     34 
     35 #ifndef _SH3_PROC_H_
     36 #define	_SH3_PROC_H_
     37 
     38 /*
     39  * Machine-dependent part of the proc structure for sh3.
     40  */
     41 
     42 #include <machine/param.h>
     43 
     44 /* Kernel stack PTE */
     45 struct md_upte {
     46 	u_int32_t addr;
     47 	u_int32_t data;
     48 };
     49 
     50 struct mdlwp {
     51 	struct trapframe *md_regs;	/* user context */
     52 	struct pcb *md_pcb;		/* pcb access address */
     53 	int md_flags;			/* machine-dependent flags */
     54 	/* u-area PTE: *2 .. SH4 data/address data array access */
     55 	struct md_upte md_upte[UPAGES * 2];
     56 };
     57 
     58 /* md_flags */
     59 #define	MDP_USEDFPU	0x0001	/* has used the FPU */
     60 
     61 struct mdproc {
     62 	__volatile int md_astpending;	/* AST pending on return to userland */
     63 };
     64 
     65 #ifdef _KERNEL
     66 #ifndef _LOCORE
     67 void sh_proc0_init(void);
     68 extern struct md_upte *curupte;	/* SH3 wired u-area hack */
     69 #endif /* _LOCORE */
     70 #endif /* _KERNEL */
     71 #endif /* !_SH3_PROC_H_ */
     72