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10#ifndef _BFIN_TRAPS_H
11#define _BFIN_TRAPS_H
12
13#define VEC_SYS (0)
14#define VEC_EXCPT01 (1)
15#define VEC_EXCPT02 (2)
16#define VEC_EXCPT03 (3)
17#define VEC_EXCPT04 (4)
18#define VEC_EXCPT05 (5)
19#define VEC_EXCPT06 (6)
20#define VEC_EXCPT07 (7)
21#define VEC_EXCPT08 (8)
22#define VEC_EXCPT09 (9)
23#define VEC_EXCPT10 (10)
24#define VEC_EXCPT11 (11)
25#define VEC_EXCPT12 (12)
26#define VEC_EXCPT13 (13)
27#define VEC_EXCPT14 (14)
28#define VEC_EXCPT15 (15)
29#define VEC_STEP (16)
30#define VEC_OVFLOW (17)
31#define VEC_UNDEF_I (33)
32#define VEC_ILGAL_I (34)
33#define VEC_CPLB_VL (35)
34#define VEC_MISALI_D (36)
35#define VEC_UNCOV (37)
36#define VEC_CPLB_M (38)
37#define VEC_CPLB_MHIT (39)
38#define VEC_WATCH (40)
39#define VEC_ISTRU_VL (41)
40#define VEC_MISALI_I (42)
41#define VEC_CPLB_I_VL (43)
42#define VEC_CPLB_I_M (44)
43#define VEC_CPLB_I_MHIT (45)
44#define VEC_ILL_RES (46)
45
46
47
48#define VEC_HWERR (63)
49
50#ifndef __ASSEMBLY__
51
52#define HWC_x2(level) \
53 "System MMR Error\n" \
54 level " - An error occurred due to an invalid access to an System MMR location\n" \
55 level " Possible reason: a 32-bit register is accessed with a 16-bit instruction\n" \
56 level " or a 16-bit register is accessed with a 32-bit instruction.\n"
57#define HWC_x3(level) \
58 "External Memory Addressing Error\n"
59#define EXC_0x04(level) \
60 "Unimplmented exception occurred\n" \
61 level " - Maybe you forgot to install a custom exception handler?\n"
62#define HWC_x12(level) \
63 "Performance Monitor Overflow\n"
64#define HWC_x18(level) \
65 "RAISE 5 instruction\n" \
66 level " Software issued a RAISE 5 instruction to invoke the Hardware\n"
67#define HWC_default(level) \
68 "Reserved\n"
69#define EXC_0x03(level) \
70 "Application stack overflow\n" \
71 level " - Please increase the stack size of the application using elf2flt -s option,\n" \
72 level " and/or reduce the stack use of the application.\n"
73#define EXC_0x10(level) \
74 "Single step\n" \
75 level " - When the processor is in single step mode, every instruction\n" \
76 level " generates an exception. Primarily used for debugging.\n"
77#define EXC_0x11(level) \
78 "Exception caused by a trace buffer full condition\n" \
79 level " - The processor takes this exception when the trace\n" \
80 level " buffer overflows (only when enabled by the Trace Unit Control register).\n"
81#define EXC_0x21(level) \
82 "Undefined instruction\n" \
83 level " - May be used to emulate instructions that are not defined for\n" \
84 level " a particular processor implementation.\n"
85#define EXC_0x22(level) \
86 "Illegal instruction combination\n" \
87 level " - See section for multi-issue rules in the Blackfin\n" \
88 level " Processor Instruction Set Reference.\n"
89#define EXC_0x23(level) \
90 "Data access CPLB protection violation\n" \
91 level " - Attempted read or write to Supervisor resource,\n" \
92 level " or illegal data memory access. \n"
93#define EXC_0x24(level) \
94 "Data access misaligned address violation\n" \
95 level " - Attempted misaligned data memory or data cache access.\n"
96#define EXC_0x25(level) \
97 "Unrecoverable event\n" \
98 level " - For example, an exception generated while processing a previous exception.\n"
99#define EXC_0x26(level) \
100 "Data access CPLB miss\n" \
101 level " - Used by the MMU to signal a CPLB miss on a data access.\n"
102#define EXC_0x27(level) \
103 "Data access multiple CPLB hits\n" \
104 level " - More than one CPLB entry matches data fetch address.\n"
105#define EXC_0x28(level) \
106 "Program Sequencer Exception caused by an emulation watchpoint match\n" \
107 level " - There is a watchpoint match, and one of the EMUSW\n" \
108 level " bits in the Watchpoint Instruction Address Control register (WPIACTL) is set.\n"
109#define EXC_0x2A(level) \
110 "Instruction fetch misaligned address violation\n" \
111 level " - Attempted misaligned instruction cache fetch.\n"
112#define EXC_0x2B(level) \
113 "CPLB protection violation\n" \
114 level " - Illegal instruction fetch access (memory protection violation).\n"
115#define EXC_0x2C(level) \
116 "Instruction fetch CPLB miss\n" \
117 level " - CPLB miss on an instruction fetch.\n"
118#define EXC_0x2D(level) \
119 "Instruction fetch multiple CPLB hits\n" \
120 level " - More than one CPLB entry matches instruction fetch address.\n"
121#define EXC_0x2E(level) \
122 "Illegal use of supervisor resource\n" \
123 level " - Attempted to use a Supervisor register or instruction from User mode.\n" \
124 level " Supervisor resources are registers and instructions that are reserved\n" \
125 level " for Supervisor use: Supervisor only registers, all MMRs, and Supervisor\n" \
126 level " only instructions.\n"
127
128extern void double_fault_c(struct pt_regs *fp);
129
130#endif
131#endif
132
