faults.cc (8566:812d279f7b51) faults.cc (8568:83f728db3332)
1/*
2 * Copyright (c) 2003-2005 The Regents of The University of Michigan
3 * Copyright (c) 2007 MIPS Technologies, Inc.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met: redistributions of source code must retain the above copyright

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46namespace MipsISA
47{
48
49typedef MipsFaultBase::FaultVals FaultVals;
50
51template <> FaultVals MipsFault<MachineCheckFault>::vals =
52 { "Machine Check", 0x0401 };
53
1/*
2 * Copyright (c) 2003-2005 The Regents of The University of Michigan
3 * Copyright (c) 2007 MIPS Technologies, Inc.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met: redistributions of source code must retain the above copyright

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46namespace MipsISA
47{
48
49typedef MipsFaultBase::FaultVals FaultVals;
50
51template <> FaultVals MipsFault<MachineCheckFault>::vals =
52 { "Machine Check", 0x0401 };
53
54template <> FaultVals MipsFault<AlignmentFault>::vals =
55 { "Alignment", 0x0301 };
56
57template <> FaultVals MipsFault<ResetFault>::vals =
58#if FULL_SYSTEM
59 { "Reset Fault", 0xBFC00000};
60#else
61 { "Reset Fault", 0x001};
62#endif
63
64template <> FaultVals MipsFault<AddressErrorFault>::vals =

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74 { "Coprocessor Unusable Fault", 0x180 };
75
76template <> FaultVals MipsFault<ReservedInstructionFault>::vals =
77 { "Reserved Instruction Fault", 0x0180 };
78
79template <> FaultVals MipsFault<ThreadFault>::vals =
80 { "Thread Fault", 0x00F1 };
81
54template <> FaultVals MipsFault<ResetFault>::vals =
55#if FULL_SYSTEM
56 { "Reset Fault", 0xBFC00000};
57#else
58 { "Reset Fault", 0x001};
59#endif
60
61template <> FaultVals MipsFault<AddressErrorFault>::vals =

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71 { "Coprocessor Unusable Fault", 0x180 };
72
73template <> FaultVals MipsFault<ReservedInstructionFault>::vals =
74 { "Reserved Instruction Fault", 0x0180 };
75
76template <> FaultVals MipsFault<ThreadFault>::vals =
77 { "Thread Fault", 0x00F1 };
78
82template <> FaultVals MipsFault<ArithmeticFault>::vals =
83 { "Arithmetic Overflow Exception", 0x180 };
79template <> FaultVals MipsFault<IntegerOverflowFault>::vals =
80 { "Integer Overflow Exception", 0x180 };
84
81
85template <> FaultVals MipsFault<UnimplementedOpcodeFault>::vals =
86 { "opdec", 0x0481 };
87
88template <> FaultVals MipsFault<InterruptFault>::vals =
89 { "interrupt", 0x0180 };
90
91template <> FaultVals MipsFault<TrapFault>::vals =
92 { "Trap", 0x0180 };
93
94template <> FaultVals MipsFault<BreakpointFault>::vals =
95 { "Breakpoint", 0x0180 };
96
97template <> FaultVals MipsFault<ItbInvalidFault>::vals =
98 { "Invalid TLB Entry Exception (I-Fetch/LW)", 0x0180 };
99
82template <> FaultVals MipsFault<InterruptFault>::vals =
83 { "interrupt", 0x0180 };
84
85template <> FaultVals MipsFault<TrapFault>::vals =
86 { "Trap", 0x0180 };
87
88template <> FaultVals MipsFault<BreakpointFault>::vals =
89 { "Breakpoint", 0x0180 };
90
91template <> FaultVals MipsFault<ItbInvalidFault>::vals =
92 { "Invalid TLB Entry Exception (I-Fetch/LW)", 0x0180 };
93
100template <> FaultVals MipsFault<ItbPageFault>::vals =
101 { "itbmiss", 0x0181 };
102
103template <> FaultVals MipsFault<ItbMissFault>::vals =
104 { "itbmiss", 0x0181 };
105
106template <> FaultVals MipsFault<ItbAcvFault>::vals =
107 { "iaccvio", 0x0081 };
108
109template <> FaultVals MipsFault<ItbRefillFault>::vals =
110 { "TLB Refill Exception (I-Fetch/LW)", 0x0180 };
111
94template <> FaultVals MipsFault<ItbRefillFault>::vals =
95 { "TLB Refill Exception (I-Fetch/LW)", 0x0180 };
96
112template <> FaultVals MipsFault<NDtbMissFault>::vals =
113 { "dtb_miss_single", 0x0201 };
114
115template <> FaultVals MipsFault<PDtbMissFault>::vals =
116 { "dtb_miss_double", 0x0281 };
117
118template <> FaultVals MipsFault<DtbPageFault>::vals =
119 { "dfault", 0x0381 };
120
121template <> FaultVals MipsFault<DtbAcvFault>::vals =
122 { "dfault", 0x0381 };
123
124template <> FaultVals MipsFault<DtbInvalidFault>::vals =
125 { "Invalid TLB Entry Exception (Store)", 0x0180 };
126
127template <> FaultVals MipsFault<DtbRefillFault>::vals =
128 { "TLB Refill Exception (Store)", 0x0180 };
129
130template <> FaultVals MipsFault<TLBModifiedFault>::vals =
131 { "TLB Modified Exception", 0x0180 };
132
97template <> FaultVals MipsFault<DtbInvalidFault>::vals =
98 { "Invalid TLB Entry Exception (Store)", 0x0180 };
99
100template <> FaultVals MipsFault<DtbRefillFault>::vals =
101 { "TLB Refill Exception (Store)", 0x0180 };
102
103template <> FaultVals MipsFault<TLBModifiedFault>::vals =
104 { "TLB Modified Exception", 0x0180 };
105
133template <> FaultVals MipsFault<FloatEnableFault>::vals =
134 { "float_enable_fault", 0x0581 };
135
136template <> FaultVals MipsFault<IntegerOverflowFault>::vals =
137 { "Integer Overflow Fault", 0x0501 };
138
139template <> FaultVals MipsFault<DspStateDisabledFault>::vals =
140 { "DSP Disabled Fault", 0x001a };
141
142#if FULL_SYSTEM
143void
144MipsFaultBase::setHandlerPC(Addr HandlerBase, ThreadContext *tc)
145{
146 tc->setPC(HandlerBase);

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185 CauseReg cause = tc->readMiscReg(MISCREG_CAUSE);
186 cause.excCode = excCode;
187 cause.bd = bd;
188 cause.ce = 0;
189 tc->setMiscRegNoEffect(MISCREG_CAUSE, cause);
190}
191
192void
106template <> FaultVals MipsFault<DspStateDisabledFault>::vals =
107 { "DSP Disabled Fault", 0x001a };
108
109#if FULL_SYSTEM
110void
111MipsFaultBase::setHandlerPC(Addr HandlerBase, ThreadContext *tc)
112{
113 tc->setPC(HandlerBase);

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152 CauseReg cause = tc->readMiscReg(MISCREG_CAUSE);
153 cause.excCode = excCode;
154 cause.bd = bd;
155 cause.ce = 0;
156 tc->setMiscRegNoEffect(MISCREG_CAUSE, cause);
157}
158
159void
193ArithmeticFault::invoke(ThreadContext *tc, StaticInstPtr inst)
160IntegerOverflowFault::invoke(ThreadContext *tc, StaticInstPtr inst)
194{
195 DPRINTF(MipsPRA, "%s encountered.\n", name());
196 setExceptionState(tc, 0xC);
197
198 // Set new PC
199 Addr HandlerBase;
200 StatusReg status = tc->readMiscReg(MISCREG_STATUS);
201 // Here, the handler is dependent on BEV, which is not modified by

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162 DPRINTF(MipsPRA, "%s encountered.\n", name());
163 setExceptionState(tc, 0xC);
164
165 // Set new PC
166 Addr HandlerBase;
167 StatusReg status = tc->readMiscReg(MISCREG_STATUS);
168 // Here, the handler is dependent on BEV, which is not modified by

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