xref: /onnv-gate/usr/src/lib/libbc/inc/include/sun4/trap.h (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
23*0Sstevel@tonic-gate 
24*0Sstevel@tonic-gate /*
25*0Sstevel@tonic-gate  * Copyright (c) 1985 by Sun Microsystems, Inc.
26*0Sstevel@tonic-gate  */
27*0Sstevel@tonic-gate 
28*0Sstevel@tonic-gate #ifndef _sparc_trap_h
29*0Sstevel@tonic-gate #define _sparc_trap_h
30*0Sstevel@tonic-gate 
31*0Sstevel@tonic-gate /*
32*0Sstevel@tonic-gate  * Trap type values.
33*0Sstevel@tonic-gate  */
34*0Sstevel@tonic-gate #define TT(X)			((X)<<4)
35*0Sstevel@tonic-gate 
36*0Sstevel@tonic-gate /*
37*0Sstevel@tonic-gate  * The Coprocessor bit.
38*0Sstevel@tonic-gate  */
39*0Sstevel@tonic-gate #define CP_BIT 0x20
40*0Sstevel@tonic-gate 
41*0Sstevel@tonic-gate /*
42*0Sstevel@tonic-gate  * Hardware traps.
43*0Sstevel@tonic-gate  */
44*0Sstevel@tonic-gate #define T_RESET			0x00
45*0Sstevel@tonic-gate #define T_TEXT_FAULT		0x01
46*0Sstevel@tonic-gate #define T_UNIMP_INSTR		0x02
47*0Sstevel@tonic-gate #define T_PRIV_INSTR		0x03
48*0Sstevel@tonic-gate #define T_FP_DISABLED		0x04
49*0Sstevel@tonic-gate #define T_CP_DISABLED		(0x4 | CP_BIT)
50*0Sstevel@tonic-gate #define T_WIN_OVERFLOW		0x05
51*0Sstevel@tonic-gate #define T_WIN_UNDERFLOW		0x06
52*0Sstevel@tonic-gate #define T_ALIGNMENT		0x07
53*0Sstevel@tonic-gate #define T_FP_EXCEPTION		0x08
54*0Sstevel@tonic-gate #define T_CP_EXCEPTION		(0x8 | CP_BIT)
55*0Sstevel@tonic-gate #define T_DATA_FAULT		0x09
56*0Sstevel@tonic-gate #define T_TAG_OVERFLOW		0x0A
57*0Sstevel@tonic-gate #define	T_INT			0x10
58*0Sstevel@tonic-gate #define	T_INT_LEVEL		0x0F
59*0Sstevel@tonic-gate #define T_INT_LEVEL_1		0x11
60*0Sstevel@tonic-gate #define T_INT_LEVEL_2		0x12
61*0Sstevel@tonic-gate #define T_INT_LEVEL_3		0x13
62*0Sstevel@tonic-gate #define T_INT_LEVEL_4		0x14
63*0Sstevel@tonic-gate #define T_INT_LEVEL_5		0x15
64*0Sstevel@tonic-gate #define T_INT_LEVEL_6		0x16
65*0Sstevel@tonic-gate #define T_INT_LEVEL_7		0x17
66*0Sstevel@tonic-gate #define T_INT_LEVEL_8		0x18
67*0Sstevel@tonic-gate #define T_INT_LEVEL_9		0x19
68*0Sstevel@tonic-gate #define T_INT_LEVEL_10		0x1A
69*0Sstevel@tonic-gate #define T_INT_LEVEL_11		0x1B
70*0Sstevel@tonic-gate #define T_INT_LEVEL_12		0x1C
71*0Sstevel@tonic-gate #define T_INT_LEVEL_13		0x1D
72*0Sstevel@tonic-gate #define T_INT_LEVEL_14		0x1E
73*0Sstevel@tonic-gate #define T_INT_LEVEL_15		0x1F
74*0Sstevel@tonic-gate 
75*0Sstevel@tonic-gate /*
76*0Sstevel@tonic-gate  * Software traps (ticc instructions).
77*0Sstevel@tonic-gate  */
78*0Sstevel@tonic-gate #define ST_SYSCALL		0x00
79*0Sstevel@tonic-gate #define ST_BREAKPOINT		0x01
80*0Sstevel@tonic-gate #define ST_DIV0			0x02
81*0Sstevel@tonic-gate #define ST_FLUSH_WINDOWS	0x03
82*0Sstevel@tonic-gate #define ST_CLEAN_WINDOWS	0x04
83*0Sstevel@tonic-gate #define ST_RANGE_CHECK		0x05
84*0Sstevel@tonic-gate #define ST_FIX_ALIGN		0x06
85*0Sstevel@tonic-gate #define ST_INT_OVERFLOW		0x07
86*0Sstevel@tonic-gate 
87*0Sstevel@tonic-gate #define ST_GETCC		0x20
88*0Sstevel@tonic-gate #define ST_SETCC		0x21
89*0Sstevel@tonic-gate #ifdef	sun4c
90*0Sstevel@tonic-gate #define ST_MON_BREAKPOINT	0x7F
91*0Sstevel@tonic-gate #endif	sun4c
92*0Sstevel@tonic-gate 
93*0Sstevel@tonic-gate /*
94*0Sstevel@tonic-gate  * Software trap vectors 16 - 31 are reserved for use by the user
95*0Sstevel@tonic-gate  * and will not be usurped by Sun.
96*0Sstevel@tonic-gate  */
97*0Sstevel@tonic-gate 
98*0Sstevel@tonic-gate /*
99*0Sstevel@tonic-gate  * Software trap type values.
100*0Sstevel@tonic-gate  */
101*0Sstevel@tonic-gate #define T_SOFTWARE_TRAP		0x80
102*0Sstevel@tonic-gate #define T_ESOFTWARE_TRAP	0xFF
103*0Sstevel@tonic-gate #define T_SYSCALL		(T_SOFTWARE_TRAP + ST_SYSCALL)
104*0Sstevel@tonic-gate #define T_BREAKPOINT		(T_SOFTWARE_TRAP + ST_BREAKPOINT)
105*0Sstevel@tonic-gate #define T_DIV0			(T_SOFTWARE_TRAP + ST_DIV0)
106*0Sstevel@tonic-gate #define T_FLUSH_WINDOWS		(T_SOFTWARE_TRAP + ST_FLUSH_WINDOWS)
107*0Sstevel@tonic-gate #define T_CLEAN_WINDOWS		(T_SOFTWARE_TRAP + ST_CLEAN_WINDOWS)
108*0Sstevel@tonic-gate #define T_RANGE_CHECK		(T_SOFTWARE_TRAP + ST_RANGE_CHECK)
109*0Sstevel@tonic-gate #define T_FIX_ALIGN		(T_SOFTWARE_TRAP + ST_FIX_ALIGN)
110*0Sstevel@tonic-gate #define T_INT_OVERFLOW		(T_SOFTWARE_TRAP + ST_INT_OVERFLOW)
111*0Sstevel@tonic-gate 
112*0Sstevel@tonic-gate #define T_GETCC			(T_SOFTWARE_TRAP + ST_GETCC)
113*0Sstevel@tonic-gate #define T_SETCC			(T_SOFTWARE_TRAP + ST_SETCC)
114*0Sstevel@tonic-gate 
115*0Sstevel@tonic-gate /*
116*0Sstevel@tonic-gate  * Pseudo traps.
117*0Sstevel@tonic-gate  */
118*0Sstevel@tonic-gate #define T_INTERRUPT		0x100
119*0Sstevel@tonic-gate #define T_SPURIOUS		(T_INTERRUPT | T_INT)
120*0Sstevel@tonic-gate #define T_FAULT			0x200
121*0Sstevel@tonic-gate #define T_AST			0x400
122*0Sstevel@tonic-gate #define T_ZERO			0x00
123*0Sstevel@tonic-gate 
124*0Sstevel@tonic-gate #endif /*!_sparc_trap_h*/
125