1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*
23 * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#ifndef	_SYS_MACHTRAP_H
28#define	_SYS_MACHTRAP_H
29
30#pragma ident	"%Z%%M%	%I%	%E% SMI"
31
32#ifdef	__cplusplus
33extern "C" {
34#endif
35
36/*
37 * This file is machine specific as is.
38 * Some trap types could be made common
39 * for all sparcs, but that is a project
40 * in and of itself.
41 */
42
43/*
44 * Trap type values.
45 */
46#define	TT(X)			((X)<<4)
47
48/*
49 * The Coprocessor bit.
50 */
51#define	CP_BIT 0x20
52
53/*
54 * Hardware traps.
55 */
56#define	T_RESET			0x00
57#define	T_TEXT_FAULT		0x01
58#define	T_UNIMP_INSTR		0x02
59#define	T_PRIV_INSTR		0x03
60#define	T_FP_DISABLED		0x04
61#define	T_CP_DISABLED		(0x4 | CP_BIT)
62#define	T_WIN_OVERFLOW		0x05
63#define	T_WIN_UNDERFLOW		0x06
64#define	T_ALIGNMENT		0x07
65#define	T_FP_EXCEPTION		0x08
66#define	T_CP_EXCEPTION		(0x8 | CP_BIT)
67#define	T_DATA_FAULT		0x09
68#define	T_TAG_OVERFLOW		0x0A
69#define	T_INT			0x10
70#define	T_INT_LEVEL		0x0F
71#define	T_INT_LEVEL_1		0x11
72#define	T_INT_LEVEL_2		0x12
73#define	T_INT_LEVEL_3		0x13
74#define	T_INT_LEVEL_4		0x14
75#define	T_INT_LEVEL_5		0x15
76#define	T_INT_LEVEL_6		0x16
77#define	T_INT_LEVEL_7		0x17
78#define	T_INT_LEVEL_8		0x18
79#define	T_INT_LEVEL_9		0x19
80#define	T_INT_LEVEL_10		0x1A
81#define	T_INT_LEVEL_11		0x1B
82#define	T_INT_LEVEL_12		0x1C
83#define	T_INT_LEVEL_13		0x1D
84#define	T_INT_LEVEL_14		0x1E
85#define	T_INT_LEVEL_15		0x1F
86#define	T_TEXT_ERROR		0x21
87#define	T_UNIMP_FLUSH		0x25	/* IFLUSH - unimplemented flush */
88#define	T_DATA_ERROR		0x29
89#define	T_IDIV0			0x2A
90#define	T_DATA_STORE		0x2B
91
92/*
93 * Software trap type values.
94 */
95#define	T_SOFTWARE_TRAP		0x80
96#define	T_ESOFTWARE_TRAP	0xFF
97#define	T_OSYSCALL		(T_SOFTWARE_TRAP + ST_OSYSCALL)
98#define	T_BREAKPOINT		(T_SOFTWARE_TRAP + ST_BREAKPOINT)
99#define	T_DIV0			(T_SOFTWARE_TRAP + ST_DIV0)
100#define	T_FLUSH_WINDOWS		(T_SOFTWARE_TRAP + ST_FLUSH_WINDOWS)
101#define	T_CLEAN_WINDOWS		(T_SOFTWARE_TRAP + ST_CLEAN_WINDOWS)
102#define	T_RANGE_CHECK		(T_SOFTWARE_TRAP + ST_RANGE_CHECK)
103#define	T_FIX_ALIGN		(T_SOFTWARE_TRAP + ST_FIX_ALIGN)
104#define	T_INT_OVERFLOW		(T_SOFTWARE_TRAP + ST_INT_OVERFLOW)
105#define	T_SYSCALL		(T_SOFTWARE_TRAP + ST_SYSCALL)
106
107#define	T_GETCC			(T_SOFTWARE_TRAP + ST_GETCC)
108#define	T_SETCC			(T_SOFTWARE_TRAP + ST_SETCC)
109
110
111/*
112 * Pseudo traps.
113 */
114#define	T_INTERRUPT		0x100
115#define	T_SPURIOUS		(T_INTERRUPT | T_INT)
116#define	T_FAULT			0x200
117#define	T_AST			0x400
118#define	T_FLUSH_PCB		(T_AST + 0x10)
119#define	T_SYS_RTT_PAGE		(T_AST + 0x20)
120#define	T_ZERO			0x00
121
122#ifdef	__cplusplus
123}
124#endif
125
126#endif	/* _SYS_MACHTRAP_H */
127