xref: /netbsd/sys/arch/sh3/include/exception.h (revision bf9ec67e)
1 /*	$NetBSD: exception.h,v 1.3 2002/05/09 12:24:20 uch Exp $	*/
2 
3 /*-
4  * Copyright (c) 2002 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *        This product includes software developed by the NetBSD
18  *        Foundation, Inc. and its contributors.
19  * 4. Neither the name of The NetBSD Foundation nor the names of its
20  *    contributors may be used to endorse or promote products derived
21  *    from this software without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
24  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
25  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
26  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
27  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
31  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33  * POSSIBILITY OF SUCH DAMAGE.
34  */
35 
36 #ifndef _SH3_EXCEPTION_H_
37 #define	_SH3_EXCEPTION_H_
38 /*
39  * SH3/SH4 Exception handling.
40  */
41 #include <sh3/devreg.h>
42 
43 #ifdef _KERNEL
44 #define	SH3_TRA			0xffffffd0	/* 32bit */
45 #define	SH3_EXPEVT		0xffffffd4	/* 32bit */
46 #define	SH3_INTEVT		0xffffffd8	/* 32bit */
47 #define	SH7709_INTEVT2		0xa4000000	/* 32bit */
48 
49 #define	SH4_TRA			0xff000020	/* 32bit */
50 #define	SH4_EXPEVT		0xff000024	/* 32bit */
51 #define	SH4_INTEVT		0xff000028	/* 32bit */
52 
53 /*
54  * EXPEVT
55  */
56 /* Reset exception */
57 #define	EXPEVT_RESET_POWER	0x000	/* Power-On reset */
58 #define	EXPEVT_RESET_MANUAL	0x020	/* Manual reset */
59 #define	EXPEVT_RESET_TLB_MULTI_HIT	0x140	/* SH4 only */
60 
61 /* General exception */
62 #define	EXPEVT_TLB_MISS_LD	0x040	/* TLB miss (load) */
63 #define	EXPEVT_TLB_MISS_ST	0x060	/* TLB miss (store) */
64 #define	EXPEVT_TLB_MOD		0x080	/* Initial page write */
65 #define	EXPEVT_TLB_PROT_LD	0x0a0	/* Protection violation (load) */
66 #define	EXPEVT_TLB_PROT_ST	0x0c0	/* Protection violation (store)*/
67 #define	EXPEVT_ADDR_ERR_LD	0x0e0	/* Address error (load) */
68 #define	EXPEVT_ADDR_ERR_ST	0x100	/* Address error (store) */
69 #define	EXPEVT_FPU		0x120	/* FPU exception */
70 #define	EXPEVT_TRAPA		0x160	/* Unconditional trap (TRAPA) */
71 #define	EXPEVT_RES_INST		0x180	/* Illegal instruction */
72 #define	EXPEVT_SLOT_INST	0x1a0	/* Illegal slot instruction */
73 #define	EXPEVT_BREAK		0x1e0	/* User break */
74 #define	EXPEVT_FPU_DISABLE	0x800	/* FPU disabled */
75 #define	EXPEVT_FPU_SLOT_DISABLE	0x820	/* Slot FPU disabled */
76 
77 /* Software bit */
78 #define	EXP_USER		0x001	/* exception from user-mode */
79 
80 #define	_SH_TRA_BREAK		0xc3	/* magic number for debugger */
81 
82 /*
83  * INTEVT/INTEVT2
84  */
85 /* External interrupt */
86 #define	SH_INTEVT_NMI		0x1c0
87 
88 #define	SH_INTEVT_TMU0_TUNI0	0x400
89 #define	SH_INTEVT_TMU1_TUNI1	0x420
90 #define	SH_INTEVT_TMU2_TUNI2	0x440
91 #define	SH_INTEVT_TMU2_TICPI2	0x460
92 
93 #define	SH_INTEVT_SCI_ERI	0x4e0
94 #define	SH_INTEVT_SCI_RXI	0x500
95 #define	SH_INTEVT_SCI_TXI	0x520
96 #define	SH_INTEVT_SCI_TEI	0x540
97 
98 #define	SH_INTEVT_WDT_ITI	0x560
99 
100 #define	SH_INTEVT_IRL9		0x320
101 #define	SH_INTEVT_IRL11		0x360
102 #define	SH_INTEVT_IRL13		0x3a0
103 
104 #define	SH4_INTEVT_SCIF_ERI	0x700
105 #define	SH4_INTEVT_SCIF_RXI	0x720
106 #define	SH4_INTEVT_SCIF_BRI	0x740
107 #define	SH4_INTEVT_SCIF_TXI	0x760
108 
109 #define	SH7709_INTEVT2_SCIF_ERI	0x900
110 #define	SH7709_INTEVT2_SCIF_RXI	0x920
111 #define	SH7709_INTEVT2_SCIF_BRI	0x940
112 #define	SH7709_INTEVT2_SCIF_TXI	0x960
113 
114 #define	SH7709_INTEVT2_IRQ4	0x680
115 
116 #ifndef _LOCORE
117 #if defined(SH3) && defined(SH4)
118 extern u_int32_t __sh_TRA;
119 extern u_int32_t __sh_EXPEVT;
120 extern u_int32_t __sh_INTEVT;
121 #endif /* SH3 && SH4 */
122 #endif /* !_LOCORE */
123 #endif /* _KERNEL */
124 #endif /* !_SH3_EXCEPTION_H_ */
125