2 * Copyright (c) 2001 Jake Burkholder.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #ifndef _MACHINE_TRAP_H_
30 #define _MACHINE_TRAP_H_
35 #define T_INSTRUCTION_EXCEPTION 1
36 #define T_INSTRUCTION_ERROR 2
37 #define T_INSTRUCTION_PROTECTION 3
38 #define T_ILLTRAP_INSTRUCTION 4
39 #define T_ILLEGAL_INSTRUCTION 5
40 #define T_PRIVILEGED_OPCODE 6
41 #define T_FP_DISABLED 7
42 #define T_FP_EXCEPTION_IEEE_754 8
43 #define T_FP_EXCEPTION_OTHER 9
44 #define T_TAG_OVERFLOW 10
45 #define T_DIVISION_BY_ZERO 11
46 #define T_DATA_EXCEPTION 12
47 #define T_DATA_ERROR 13
48 #define T_DATA_PROTECTION 14
49 #define T_MEM_ADDRESS_NOT_ALIGNED 15
50 #define T_ALIGNMENT 15
51 #define T_PRIVILEGED_ACTION 16
52 #define T_ASYNC_DATA_ERROR 17
53 #define T_TRAP_INSTRUCTION_16 18
54 #define T_TRAP_INSTRUCTION_17 19
55 #define T_TRAP_INSTRUCTION_18 20
56 #define T_TRAP_INSTRUCTION_19 21
57 #define T_TRAP_INSTRUCTION_20 22
58 #define T_TRAP_INSTRUCTION_21 23
59 #define T_TRAP_INSTRUCTION_22 24
60 #define T_TRAP_INSTRUCTION_23 25
61 #define T_TRAP_INSTRUCTION_24 26
62 #define T_TRAP_INSTRUCTION_25 27
63 #define T_TRAP_INSTRUCTION_26 28
64 #define T_TRAP_INSTRUCTION_27 29
65 #define T_TRAP_INSTRUCTION_28 30
66 #define T_TRAP_INSTRUCTION_29 31
67 #define T_TRAP_INSTRUCTION_30 32
68 #define T_TRAP_INSTRUCTION_31 33
69 #define T_INSTRUCTION_MISS 34
70 #define T_DATA_MISS 35
72 #define T_INTERRUPT 36
73 #define T_PA_WATCHPOINT 37
74 #define T_VA_WATCHPOINT 38
75 #define T_CORRECTED_ECC_ERROR 39
79 #define T_BREAKPOINT 43
80 #define T_CLEAN_WINDOW 44
81 #define T_RANGE_CHECK 45
82 #define T_FIX_ALIGNMENT 46
83 #define T_INTEGER_OVERFLOW 47
85 #define T_RSTRWP_PHYS 49
86 #define T_RSTRWP_VIRT 50
87 #define T_KSTACK_FAULT 51
88 #define T_RESUMABLE_ERROR 52
89 #define T_NONRESUMABLE_ERROR 53
91 #define T_MAX (T_NONRESUMABLE_ERROR + 1)
95 #define TRAP_MASK ((1<<6)-1)
96 #define TRAP_CTX_SHIFT 8
98 * These defines are used by the TL1 tlb miss handlers to calculate
99 * the pc to jump to in the case the entry was not found in the TSB.
102 #define WTRAP_ALIGN 0x7f /* window handlers are 128 byte align */
103 #define WTRAP_FAULTOFF 124 /* last instruction in handler */
105 /* use the following defines to determine if trap was a fill or a spill */
106 #define WTRAP_TTMASK 0x180
107 #define WTRAP_TYPE 0x080
109 #define TT_INSTRUCTION_EXCEPTION 0x8
110 #define TT_INSTRUCTION_MISS 0x9
111 #define TT_ILLEGAL_INSTRUCTION 0x10
112 #define TT_PRIVILEGED_OPCODE 0x11
113 #define TT_FP_EXCEPTION_IEEE_754 0x21
114 #define TT_FP_EXCEPTION_OTHER 0x22
115 #define TT_TAG_OVERFLOW 0x23
116 #define TT_DIVISION_BY_ZERO 0x28
117 #define TT_DATA_EXCEPTION 0x30
118 #define TT_DATA_MISS 0x31
119 #define TT_ALIGNNMENT 0x34
120 #define TT_DATA_PROTECTION 0x6c
121 #define TT_ALIGNMENT 0x6c
122 #define TT_BREAKPOINT 0x76
124 #define PTL1_BAD_DEBUG 0
125 #define PTL1_BAD_WTRAP 1
126 #define PTL1_BAD_KMISS 2
127 #define PTL1_BAD_KPROT_FAULT 3
128 #define PTL1_BAD_ISM 4
129 #define PTL1_BAD_MMUTRAP 5
130 #define PTL1_BAD_TRAP 6
131 #define PTL1_BAD_NOT_WTRAP 7
133 #define PTL1_BAD_FPTRAP 7
135 #define PTL1_BAD_INTR_REQ 8
136 #define PTL1_BAD_TRACE_PTR 9
138 #define PTL1_BAD_STACK 10
139 #define PTL1_BAD_DTRACE_FLAGS 11
140 #define PTL1_BAD_CTX_STEAL 12
141 #define PTL1_BAD_ECC 13
142 #define PTL1_BAD_HCALL 14
143 #define PTL1_BAD_GL 15
147 extern const char *const trap_msg[];
148 extern void set_mmfsa_traptable(void *, uint64_t);
149 extern void trap_init(void);
154 #endif /* !_MACHINE_TRAP_H_ */