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| Rev 1100 | Rev 1119 | ||
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| Line 81... | Line 81... | ||
| 81 | { |
81 | { |
| 82 | print_regdump(istate); |
82 | print_regdump(istate); |
| 83 | panic("unhandled exception %s\n", exctable[n]); |
83 | panic("unhandled exception %s\n", exctable[n]); |
| 84 | } |
84 | } |
| 85 | 85 | ||
| - | 86 | static void reserved_instr_exception(int n, istate_t *istate) |
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| - | 87 | { |
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| - | 88 | if (*((__u32 *)istate->epc) == 0x7c03e83b) { |
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| - | 89 | ASSERT(THREAD); |
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| - | 90 | istate->epc += 4; |
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| - | 91 | istate->v1 = istate->k1; |
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| - | 92 | } else { |
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| - | 93 | print_regdump(istate); |
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| - | 94 | panic("reserved instruction"); |
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| - | 95 | } |
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| - | 96 | } |
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| - | 97 | ||
| 86 | static void breakpoint_exception(int n, istate_t *istate) |
98 | static void breakpoint_exception(int n, istate_t *istate) |
| 87 | { |
99 | { |
| 88 | #ifdef CONFIG_DEBUG |
100 | #ifdef CONFIG_DEBUG |
| 89 | debugger_bpoint(istate); |
101 | debugger_bpoint(istate); |
| 90 | #else |
102 | #else |
| Line 140... | Line 152... | ||
| 140 | 152 | ||
| 141 | /* Clear exception table */ |
153 | /* Clear exception table */ |
| 142 | for (i=0;i < IVT_ITEMS; i++) |
154 | for (i=0;i < IVT_ITEMS; i++) |
| 143 | exc_register(i, "undef", (iroutine) unhandled_exception); |
155 | exc_register(i, "undef", (iroutine) unhandled_exception); |
| 144 | exc_register(EXC_Bp, "bkpoint", (iroutine) breakpoint_exception); |
156 | exc_register(EXC_Bp, "bkpoint", (iroutine) breakpoint_exception); |
| - | 157 | exc_register(EXC_RI, "resinstr", (iroutine) reserved_instr_exception); |
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| 145 | exc_register(EXC_Mod, "tlb_mod", (iroutine) tlbmod_exception); |
158 | exc_register(EXC_Mod, "tlb_mod", (iroutine) tlbmod_exception); |
| 146 | exc_register(EXC_TLBL, "tlbinvl", (iroutine) tlbinv_exception); |
159 | exc_register(EXC_TLBL, "tlbinvl", (iroutine) tlbinv_exception); |
| 147 | exc_register(EXC_TLBS, "tlbinvl", (iroutine) tlbinv_exception); |
160 | exc_register(EXC_TLBS, "tlbinvl", (iroutine) tlbinv_exception); |
| 148 | exc_register(EXC_Int, "interrupt", (iroutine) interrupt_exception); |
161 | exc_register(EXC_Int, "interrupt", (iroutine) interrupt_exception); |
| 149 | #ifdef CONFIG_FPU_LAZY |
162 | #ifdef CONFIG_FPU_LAZY |