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proc.h revision 1.3 
      1 /*	$NetBSD: proc.h,v 1.3 2002/03/17 14:02:04 uch 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. All advertising materials mentioning features or use of this software
     17  *    must display the following acknowledgement:
     18  *	This product includes software developed by the University of
     19  *	California, Berkeley and its contributors.
     20  * 4. Neither the name of the University nor the names of its contributors
     21  *    may be used to endorse or promote products derived from this software
     22  *    without specific prior written permission.
     23  *
     24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     34  * SUCH DAMAGE.
     35  *
     36  *	@(#)proc.h	7.1 (Berkeley) 5/15/91
     37  */
     38 
     39 #ifndef _SH3_PROC_H_
     40 #define	_SH3_PROC_H_
     41 /*
     42  * Machine-dependent part of the proc structure for sh3.
     43  */
     44 
     45 /* Kernel stack PTE */
     46 struct md_upte {
     47 	u_int32_t addr;
     48 	u_int32_t data;
     49 };
     50 
     51 struct mdproc {
     52 	struct trapframe *md_regs;	/* user context */
     53 	int md_flags;			/* machine-dependent flags */
     54 	struct user *md_p3;		/* P3 address of p_addr */
     55 	/* u-area PTE: *2 .. SH4 data/address data array access */
     56 	struct md_upte md_upte[UPAGES * 2];
     57 	__volatile int md_astpending;	/* AST pending on return to userland */
     58 };
     59 
     60 /* md_flags */
     61 #define	MDP_USEDFPU	0x0001	/* has used the FPU */
     62 
     63 #ifdef _KERNEL
     64 #ifndef _LOCORE
     65 vsize_t sh_proc0_init(vaddr_t, paddr_t, paddr_t);
     66 extern struct md_upte *curupte;	/* SH3 wired u-area hack */
     67 #endif /* _LOCORE */
     68 #endif /* _KERNEL */
     69 #endif /* !_SH3_PROC_H_ */
     70