xref: /netbsd-src/sys/arch/sh3/include/proc.h (revision 946379e7b37692fc43f68eb0d1c10daa0a7f3b6c)
1 /*	$NetBSD: proc.h,v 1.17 2012/07/08 20:14:11 dsl 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 	uint32_t addr;
47 	uint32_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 	volatile int md_astpending;	/* AST pending on return to userland */
55 	/* u-area PTE: *2 .. SH4 data/address data array access */
56 	struct md_upte md_upte[UPAGES * 2];
57 };
58 
59 /* md_flags */
60 #define	MDL_USEDFPU	0x0001	/* has used the FPU */
61 #define	MDL_SSTEP	0x0002	/* single-stepped with PT_STEP */
62 
63 struct lwp;
64 
65 struct mdproc {
66 	void (*md_syscall)(struct lwp *, struct trapframe *);
67 };
68 
69 #ifdef _KERNEL
70 #ifndef _LOCORE
71 extern void sh_proc0_init(void);
72 #endif /* _LOCORE */
73 #endif /* _KERNEL */
74 #endif /* !_SH3_PROC_H_ */
75