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Line 113... Line 113...
113
             * or copy_to_uspace().
113
             * or copy_to_uspace().
114
             */
114
             */
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            page_table_unlock(AS, true);
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            page_table_unlock(AS, true);
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            return;
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            return;
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        default:
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        default:
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            panic("unexpected pfrc (%d)\n", pfrc);
118
            panic("Unexpected pfrc (%d).", pfrc);
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        }
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        }
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    }
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    }
121
 
121
 
122
    /*
122
    /*
123
     * Record access to PTE.
123
     * Record access to PTE.
Line 197... Line 197...
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             * or copy_to_uspace().
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             * or copy_to_uspace().
198
             */
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             */
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            page_table_unlock(AS, true);             
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            page_table_unlock(AS, true);             
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            return;
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            return;
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        default:
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        default:
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            panic("unexpected pfrc (%d)\n", pfrc);
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            panic("Unexpected pfrc (%d).", pfrc);
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        }
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        }
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    }
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    }
205
 
205
 
206
    /*
206
    /*
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     * Read the faulting TLB entry.
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     * Read the faulting TLB entry.
Line 280... Line 280...
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             * or copy_to_uspace().
280
             * or copy_to_uspace().
281
             */
281
             */
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            page_table_unlock(AS, true);             
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            page_table_unlock(AS, true);             
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            return;
283
            return;
284
        default:
284
        default:
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            panic("unexpected pfrc (%d)\n", pfrc);
285
            panic("Unexpected pfrc (%d).", pfrc);
286
        }
286
        }
287
    }
287
    }
288
 
288
 
289
    /*
289
    /*
290
     * Read the faulting TLB entry.
290
     * Read the faulting TLB entry.
Line 328... Line 328...
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        symbol = s;
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        symbol = s;
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    s = get_symtab_entry(istate->ra);
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    s = get_symtab_entry(istate->ra);
330
    if (s)
330
    if (s)
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        sym2 = s;
331
        sym2 = s;
332
 
332
 
333
    fault_if_from_uspace(istate, "TLB Refill Exception on %p",
333
    fault_if_from_uspace(istate, "TLB Refill Exception on %p.",
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        cp0_badvaddr_read());
334
        cp0_badvaddr_read());
335
    panic("%x: TLB Refill Exception at %x(%s<-%s)\n", cp0_badvaddr_read(),
335
    panic("%x: TLB Refill Exception at %x(%s<-%s).", cp0_badvaddr_read(),
336
        istate->epc, symbol, sym2);
336
        istate->epc, symbol, sym2);
337
}
337
}
338
 
338
 
339
 
339
 
340
void tlb_invalid_fail(istate_t *istate)
340
void tlb_invalid_fail(istate_t *istate)
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342
    char *symbol = "";
342
    char *symbol = "";
343
 
343
 
344
    char *s = get_symtab_entry(istate->epc);
344
    char *s = get_symtab_entry(istate->epc);
345
    if (s)
345
    if (s)
346
        symbol = s;
346
        symbol = s;
347
    fault_if_from_uspace(istate, "TLB Invalid Exception on %p",
347
    fault_if_from_uspace(istate, "TLB Invalid Exception on %p.",
348
        cp0_badvaddr_read());
348
        cp0_badvaddr_read());
349
    panic("%x: TLB Invalid Exception at %x(%s)\n", cp0_badvaddr_read(),
349
    panic("%x: TLB Invalid Exception at %x(%s).", cp0_badvaddr_read(),
350
        istate->epc, symbol);
350
        istate->epc, symbol);
351
}
351
}
352
 
352
 
353
void tlb_modified_fail(istate_t *istate)
353
void tlb_modified_fail(istate_t *istate)
354
{
354
{
355
    char *symbol = "";
355
    char *symbol = "";
356
 
356
 
357
    char *s = get_symtab_entry(istate->epc);
357
    char *s = get_symtab_entry(istate->epc);
358
    if (s)
358
    if (s)
359
        symbol = s;
359
        symbol = s;
360
    fault_if_from_uspace(istate, "TLB Modified Exception on %p",
360
    fault_if_from_uspace(istate, "TLB Modified Exception on %p.",
361
        cp0_badvaddr_read());
361
        cp0_badvaddr_read());
362
    panic("%x: TLB Modified Exception at %x(%s)\n", cp0_badvaddr_read(),
362
    panic("%x: TLB Modified Exception at %x(%s).", cp0_badvaddr_read(),
363
        istate->epc, symbol);
363
        istate->epc, symbol);
364
}
364
}
365
 
365
 
366
/** Try to find PTE for faulting address.
366
/** Try to find PTE for faulting address.
367
 *
367
 *
Line 431... Line 431...
431
            page_table_lock(AS, true);
431
            page_table_lock(AS, true);
432
            *pfrc = AS_PF_FAULT;
432
            *pfrc = AS_PF_FAULT;
433
            return NULL;
433
            return NULL;
434
            break;
434
            break;
435
        default:
435
        default:
436
            panic("unexpected rc (%d)\n", rc);
436
            panic("Unexpected rc (%d).", rc);
437
        }
437
        }
438
       
438
       
439
    }
439
    }
440
}
440
}
441
 
441