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226 | palkovsky | 1 | /* |
2 | * Copyright (C) 2001-2004 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 | |||
29 | #include <arch/interrupt.h> |
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30 | #include <print.h> |
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31 | #include <debug.h> |
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32 | #include <panic.h> |
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33 | #include <arch/i8259.h> |
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34 | #include <func.h> |
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35 | #include <cpu.h> |
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36 | #include <arch/asm.h> |
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37 | #include <mm/tlb.h> |
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703 | jermar | 38 | #include <mm/as.h> |
226 | palkovsky | 39 | #include <arch.h> |
268 | palkovsky | 40 | #include <symtab.h> |
282 | palkovsky | 41 | #include <arch/asm.h> |
309 | palkovsky | 42 | #include <proc/scheduler.h> |
391 | jermar | 43 | #include <proc/thread.h> |
226 | palkovsky | 44 | |
1051 | jermar | 45 | void print_info_errcode(int n, istate_t *istate) |
297 | palkovsky | 46 | { |
47 | char *symbol; |
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1060 | palkovsky | 48 | /* __u64 *x = &istate->stack[0]; */ |
297 | palkovsky | 49 | |
1021 | jermar | 50 | if (!(symbol=get_symtab_entry(istate->rip))) |
286 | palkovsky | 51 | symbol = ""; |
52 | |||
1021 | jermar | 53 | printf("-----EXCEPTION(%d) OCCURED----- ( %s )\n",n, __FUNCTION__); |
54 | printf("%%rip: %Q (%s)\n",istate->rip, symbol); |
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55 | printf("ERROR_WORD=%Q\n", istate->error_word); |
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56 | printf("%%rcs=%Q, flags=%Q, %%cr0=%Q\n", istate->cs, istate->rflags,read_cr0()); |
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1100 | palkovsky | 57 | printf("%%rax=%Q, %%rcx=%Q, %%rdx=%Q\n",istate->rax,istate->rcx,istate->rdx); |
58 | printf("%%rsi=%Q, %%rdi=%Q, %%r8 =%Q\n",istate->rsi,istate->rdi,istate->r8); |
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59 | printf("%%r9 =%Q, %%r10 =%Q, %%r11=%Q\n",istate->r9,istate->r10,istate->r11); |
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60 | #ifdef CONFIG_DEBUG_ALLREGS |
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61 | printf("%%r12=%Q, %%r13=%Q, %%r14=%Q\n",istate->r12,istate->r13,istate->r14); |
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62 | printf("%%r15=%Q, %%rbx=%Q, %%rbp=%Q\n",istate->r15,istate->rbx,&istate->rbp); |
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63 | #endif |
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64 | printf("%%rsp=%Q\n",&istate->stack[0]); |
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286 | palkovsky | 65 | } |
66 | |||
226 | palkovsky | 67 | /* |
68 | * Interrupt and exception dispatching. |
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69 | */ |
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70 | |||
71 | void (* disable_irqs_function)(__u16 irqmask) = NULL; |
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72 | void (* enable_irqs_function)(__u16 irqmask) = NULL; |
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73 | void (* eoi_function)(void) = NULL; |
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74 | |||
958 | jermar | 75 | void null_interrupt(int n, istate_t *istate) |
226 | palkovsky | 76 | { |
1021 | jermar | 77 | print_info_errcode(n, istate); |
226 | palkovsky | 78 | panic("unserviced interrupt\n"); |
79 | } |
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80 | |||
958 | jermar | 81 | void gp_fault(int n, istate_t *istate) |
226 | palkovsky | 82 | { |
958 | jermar | 83 | print_info_errcode(n, istate); |
226 | palkovsky | 84 | panic("general protection fault\n"); |
85 | } |
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86 | |||
958 | jermar | 87 | void ss_fault(int n, istate_t *istate) |
226 | palkovsky | 88 | { |
958 | jermar | 89 | print_info_errcode(n, istate); |
226 | palkovsky | 90 | panic("stack fault\n"); |
91 | } |
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92 | |||
958 | jermar | 93 | void nm_fault(int n, istate_t *istate) |
226 | palkovsky | 94 | { |
458 | decky | 95 | #ifdef CONFIG_FPU_LAZY |
309 | palkovsky | 96 | scheduler_fpu_lazy_request(); |
97 | #else |
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98 | panic("fpu fault"); |
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99 | #endif |
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226 | palkovsky | 100 | } |
101 | |||
958 | jermar | 102 | void tlb_shootdown_ipi(int n, istate_t *istate) |
226 | palkovsky | 103 | { |
104 | trap_virtual_eoi(); |
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105 | tlb_shootdown_ipi_recv(); |
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106 | } |
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107 | |||
108 | void trap_virtual_enable_irqs(__u16 irqmask) |
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109 | { |
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110 | if (enable_irqs_function) |
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111 | enable_irqs_function(irqmask); |
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112 | else |
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113 | panic("no enable_irqs_function\n"); |
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114 | } |
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115 | |||
116 | void trap_virtual_disable_irqs(__u16 irqmask) |
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117 | { |
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118 | if (disable_irqs_function) |
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119 | disable_irqs_function(irqmask); |
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120 | else |
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121 | panic("no disable_irqs_function\n"); |
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122 | } |
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123 | |||
124 | void trap_virtual_eoi(void) |
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125 | { |
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126 | if (eoi_function) |
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127 | eoi_function(); |
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128 | else |
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129 | panic("no eoi_function\n"); |
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130 | |||
131 | } |