Annotation of sys/arch/sh/include/proc.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: proc.h,v 1.2 2006/11/28 18:52:23 kettenis Exp $ */
2: /* $NetBSD: proc.h,v 1.10 2005/12/11 12:18:58 christos Exp $ */
3:
4: /*
5: * Copyright (c) 2002 The NetBSD Foundation, Inc. All rights reserved.
6: * Copyright (c) 1991 Regents of the University of California.
7: * All rights reserved.
8: *
9: * Redistribution and use in source and binary forms, with or without
10: * modification, are permitted provided that the following conditions
11: * are met:
12: * 1. Redistributions of source code must retain the above copyright
13: * notice, this list of conditions and the following disclaimer.
14: * 2. Redistributions in binary form must reproduce the above copyright
15: * notice, this list of conditions and the following disclaimer in the
16: * documentation and/or other materials provided with the distribution.
17: * 3. Neither the name of the University nor the names of its contributors
18: * may be used to endorse or promote products derived from this software
19: * without specific prior written permission.
20: *
21: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31: * SUCH DAMAGE.
32: *
33: * @(#)proc.h 7.1 (Berkeley) 5/15/91
34: */
35:
36: #ifndef _SH_PROC_H_
37: #define _SH_PROC_H_
38:
39: /*
40: * Machine-dependent part of the proc structure for sh.
41: */
42:
43: #include <machine/param.h>
44:
45: /* Kernel stack PTE */
46: struct md_upte {
47: uint32_t addr;
48: uint32_t data;
49: };
50:
51: struct mdproc {
52: struct trapframe *md_regs; /* user context */
53: struct pcb *md_pcb; /* pcb access address */
54: volatile int md_astpending; /* AST pending on return to userland */
55: int md_flags; /* machine-dependent flags */
56: /* u-area PTE: *2 .. SH4 data/address data array access */
57: struct md_upte md_upte[UPAGES * 2];
58: };
59:
60: /* md_flags */
61: #define MDP_USEDFPU 0x0001 /* has used the FPU */
62: #define MDP_STEP 0x0002 /* single step */
63:
64: #ifdef _KERNEL
65: #ifndef _LOCORE
66: extern void sh_proc0_init(void);
67: extern struct md_upte *curupte; /* SH3 wired u-area hack */
68: #endif /* _LOCORE */
69: #endif /* _KERNEL */
70: #endif /* !_SH_PROC_H_ */
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