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| Rev | Author | Line No. | Line |
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| 431 | jermar | 1 | /* |
| 2 | * Copyright (C) 2005 Jakub Jermar |
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| 470 | jermar | 3 | * Copyright (C) 2005 Jakub Vana |
| 431 | jermar | 4 | * All rights reserved. |
| 5 | * |
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| 6 | * Redistribution and use in source and binary forms, with or without |
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| 7 | * modification, are permitted provided that the following conditions |
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| 8 | * are met: |
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| 9 | * |
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| 10 | * - Redistributions of source code must retain the above copyright |
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| 11 | * notice, this list of conditions and the following disclaimer. |
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| 12 | * - Redistributions in binary form must reproduce the above copyright |
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| 13 | * notice, this list of conditions and the following disclaimer in the |
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| 14 | * documentation and/or other materials provided with the distribution. |
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| 15 | * - The name of the author may not be used to endorse or promote products |
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| 16 | * derived from this software without specific prior written permission. |
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| 17 | * |
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| 18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 28 | * |
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| 29 | */ |
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| 30 | |||
| 31 | #include <arch/interrupt.h> |
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| 32 | #include <panic.h> |
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| 433 | jermar | 33 | #include <print.h> |
| 431 | jermar | 34 | #include <arch/types.h> |
| 35 | #include <arch/asm.h> |
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| 36 | #include <arch/barrier.h> |
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| 432 | jermar | 37 | #include <arch/register.h> |
| 435 | jermar | 38 | #include <arch/drivers/it.h> |
| 433 | jermar | 39 | #include <arch.h> |
| 470 | jermar | 40 | #include <symtab.h> |
| 41 | #include <debug.h> |
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| 431 | jermar | 42 | |
| 470 | jermar | 43 | #define VECTORS_64_BUNDLE 20 |
| 44 | #define VECTORS_16_BUNDLE 48 |
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| 45 | #define VECTORS_16_BUNDLE_START 0x5000 |
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| 46 | #define VECTOR_MAX 0x7f00 |
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| 47 | |||
| 48 | #define BUNDLE_SIZE 16 |
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| 49 | |||
| 50 | char *vector_names_64_bundle[VECTORS_64_BUNDLE] = { |
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| 51 | "VHPT Translation vector", |
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| 52 | "Instruction TLB vector", |
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| 53 | "Data TLB vector", |
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| 54 | "Alternate Instruction TLB vector", |
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| 55 | "Alternate Data TLB vector", |
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| 56 | "Data Nested TLB vector", |
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| 57 | "Instruction Key Miss vector", |
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| 58 | "Data Key Miss vector", |
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| 59 | "Dirty-Bit vector", |
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| 60 | "Instruction Access-Bit vector", |
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| 61 | "Data Access-Bit vector" |
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| 62 | "Break Instruction vector", |
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| 63 | "External Interrupt vector" |
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| 64 | "Reserved", |
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| 65 | "Reserved", |
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| 66 | "Reserved", |
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| 67 | "Reserved", |
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| 68 | "Reserved", |
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| 69 | "Reserved", |
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| 70 | "Reserved" |
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| 71 | }; |
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| 72 | |||
| 73 | char *vector_names_16_bundle[VECTORS_16_BUNDLE] = { |
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| 74 | "Page Not Present vector", |
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| 75 | "Key Permission vector", |
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| 76 | "Instruction Access rights vector", |
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| 77 | "Data Access Rights vector", |
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| 78 | "General Exception vector", |
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| 79 | "Disabled FP-Register vector", |
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| 80 | "NaT Consumption vector", |
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| 81 | "Speculation vector", |
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| 82 | "Reserved", |
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| 83 | "Debug vector", |
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| 84 | "Unaligned Reference vector", |
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| 85 | "Unsupported Data Reference vector", |
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| 86 | "Floating-point Fault vector", |
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| 87 | "Floating-point Trap vector", |
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| 88 | "Lower-Privilege Transfer Trap vector", |
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| 89 | "Taken Branch Trap vector", |
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| 90 | "Single STep Trap vector", |
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| 91 | "Reserved", |
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| 92 | "Reserved", |
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| 93 | "Reserved", |
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| 94 | "Reserved", |
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| 95 | "Reserved", |
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| 96 | "Reserved", |
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| 97 | "Reserved", |
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| 98 | "Reserved", |
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| 99 | "IA-32 Exception vector", |
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| 100 | "IA-32 Intercept vector", |
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| 101 | "IA-32 Interrupt vector", |
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| 102 | "Reserved", |
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| 103 | "Reserved", |
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| 104 | "Reserved" |
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| 105 | }; |
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| 106 | |||
| 107 | static char *vector_to_string(__u16 vector); |
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| 108 | static void dump_stack(struct exception_regdump *pstate); |
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| 109 | |||
| 110 | char *vector_to_string(__u16 vector) |
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| 431 | jermar | 111 | { |
| 470 | jermar | 112 | ASSERT(vector <= VECTOR_MAX); |
| 113 | |||
| 114 | if (vector >= VECTORS_16_BUNDLE_START) |
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| 115 | return vector_names_16_bundle[(vector-VECTORS_16_BUNDLE_START)/(16*BUNDLE_SIZE)]; |
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| 116 | else |
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| 117 | return vector_names_64_bundle[vector/(64*BUNDLE_SIZE)]; |
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| 118 | } |
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| 119 | |||
| 120 | void dump_stack(struct exception_regdump *pstate) |
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| 121 | { |
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| 122 | char *ifa, *iipa, *iip; |
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| 123 | |||
| 124 | ifa = get_symtab_entry(pstate->cr_ifa); |
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| 125 | iipa = get_symtab_entry(pstate->cr_iipa); |
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| 126 | iip = get_symtab_entry(pstate->cr_iip); |
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| 127 | |||
| 128 | putchar('\n'); |
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| 129 | printf("ar.bsp=%P\tar.bspstore=%P\n", pstate->ar_bsp, pstate->ar_bspstore); |
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| 130 | printf("ar.rnat=%Q\tar.rsc=%Q\n", pstate->ar_rnat, pstate->ar_rsc); |
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| 131 | printf("ar.ifs=%Q\tar.pfs=%Q\n", pstate->ar_ifs, pstate->ar_pfs); |
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| 132 | printf("cr.isr=%Q\tcr.ips=%Q\t\n", pstate->cr_isr, pstate->cr_ips); |
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| 133 | |||
| 134 | printf("cr.iip=%Q (%s)\n", pstate->cr_iip, iip ? iip : "?"); |
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| 135 | printf("cr.iipa=%Q (%s)\n", pstate->cr_iipa, iipa ? iipa : "?"); |
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| 136 | printf("cr.ifa=%Q (%s)\n", pstate->cr_ifa, ifa ? ifa : "?"); |
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| 137 | } |
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| 138 | |||
| 139 | void general_exception(__u64 vector, struct exception_regdump *pstate) |
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| 140 | { |
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| 141 | dump_stack(pstate); |
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| 142 | panic("General Exception\n"); |
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| 143 | } |
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| 144 | |||
| 145 | void break_instruction(__u64 vector, struct exception_regdump *pstate) |
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| 146 | { |
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| 147 | dump_stack(pstate); |
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| 148 | panic("Break Instruction\n"); |
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| 149 | } |
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| 150 | |||
| 151 | void universal_handler(__u64 vector, struct exception_regdump *pstate) |
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| 152 | { |
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| 153 | dump_stack(pstate); |
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| 154 | panic("Interruption: %W (%s)\n", (__u16) vector, vector_to_string(vector)); |
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| 155 | } |
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| 156 | |||
| 157 | void external_interrupt(__u64 vector, struct exception_regdump *pstate) |
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| 158 | { |
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| 433 | jermar | 159 | cr_ivr_t ivr; |
| 431 | jermar | 160 | |
| 433 | jermar | 161 | ivr.value = ivr_read(); |
| 431 | jermar | 162 | srlz_d(); |
| 444 | vana | 163 | |
| 434 | jermar | 164 | switch(ivr.vector) { |
| 433 | jermar | 165 | case INTERRUPT_TIMER: |
| 435 | jermar | 166 | it_interrupt(); |
| 433 | jermar | 167 | break; |
| 168 | case INTERRUPT_SPURIOUS: |
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| 169 | printf("cpu%d: spurious interrupt\n", CPU->id); |
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| 170 | break; |
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| 431 | jermar | 171 | default: |
| 433 | jermar | 172 | panic("\nUnhandled External Interrupt Vector %d\n", ivr.vector); |
| 173 | break; |
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| 431 | jermar | 174 | } |
| 175 | } |