| 1 | /*
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| 2 | * Copyright (c) 2010 Jakub Jermar
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @addtogroup genericdebug
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| 30 | * @{
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| 31 | */
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| 32 | /** @file
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| 33 | */
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| 34 |
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| 35 | #include <panic.h>
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| 36 | #include <print.h>
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| 37 | #include <stacktrace.h>
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| 38 | #include <func.h>
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| 39 | #include <typedefs.h>
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| 40 | #include <mm/as.h>
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| 41 | #include <stdarg.h>
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| 42 | #include <interrupt.h>
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| 43 |
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| 44 | void panic_common(panic_category_t cat, istate_t *istate, int access,
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| 45 | uintptr_t address, const char *fmt, ...)
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| 46 | {
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| 47 | va_list args;
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| 48 |
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| 49 | silent = false;
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| 50 |
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| 51 | printf("\nKERNEL PANIC ");
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| 52 | if (CPU)
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| 53 | printf("ON cpu%d ", CPU->id);
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| 54 | printf("DUE TO ");
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| 55 |
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| 56 | va_start(args, fmt);
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| 57 | if (cat == PANIC_ASSERT) {
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| 58 | printf("A FAILED ASSERTION:\n");
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| 59 | vprintf(fmt, args);
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| 60 | printf("\n");
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| 61 | } else if (cat == PANIC_BADTRAP) {
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| 62 | printf("BAD TRAP %ld.\n", address);
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| 63 | } else if (cat == PANIC_MEMTRAP) {
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| 64 | printf("A BAD MEMORY ACCESS WHILE ");
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| 65 | if (access == PF_ACCESS_READ)
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| 66 | printf("LOADING FROM");
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| 67 | else if (access == PF_ACCESS_WRITE)
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| 68 | printf("STORING TO");
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| 69 | else if (access == PF_ACCESS_EXEC)
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| 70 | printf("BRANCHING TO");
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| 71 | else
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| 72 | printf("REFERENCING");
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| 73 | printf(" ADDRESS %p.\n", address);
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| 74 | } else {
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| 75 | printf("THE FOLLOWING REASON:\n");
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| 76 | vprintf(fmt, args);
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| 77 | }
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| 78 | va_end(args);
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| 79 |
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| 80 | printf("\n");
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| 81 |
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| 82 | if (istate) {
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| 83 | istate_decode(istate);
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| 84 | printf("\n");
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| 85 | }
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| 86 |
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| 87 | stack_trace();
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| 88 | halt();
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| 89 | }
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| 90 |
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| 91 | /** @}
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| 92 | */
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