Subversion Repositories HelenOS-historic

Rev

Rev 534 | Rev 712 | Go to most recent revision | Blame | Compare with Previous | Last modification | View Log | Download | RSS feed

  1. /*
  2.  * Copyright (C) 2001-2004 Jakub Jermar
  3.  * All rights reserved.
  4.  *
  5.  * Redistribution and use in source and binary forms, with or without
  6.  * modification, are permitted provided that the following conditions
  7.  * are met:
  8.  *
  9.  * - Redistributions of source code must retain the above copyright
  10.  *   notice, this list of conditions and the following disclaimer.
  11.  * - Redistributions in binary form must reproduce the above copyright
  12.  *   notice, this list of conditions and the following disclaimer in the
  13.  *   documentation and/or other materials provided with the distribution.
  14.  * - The name of the author may not be used to endorse or promote products
  15.  *   derived from this software without specific prior written permission.
  16.  *
  17.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27.  */
  28.  
  29. #include <arch/interrupt.h>
  30. #include <print.h>
  31. #include <debug.h>
  32. #include <panic.h>
  33. #include <arch/i8259.h>
  34. #include <func.h>
  35. #include <cpu.h>
  36. #include <arch/asm.h>
  37. #include <mm/tlb.h>
  38. #include <arch.h>
  39. #include <symtab.h>
  40. #include <proc/thread.h>
  41.  
  42. /*
  43.  * Interrupt and exception dispatching.
  44.  */
  45.  
  46. void (* disable_irqs_function)(__u16 irqmask) = NULL;
  47. void (* enable_irqs_function)(__u16 irqmask) = NULL;
  48. void (* eoi_function)(void) = NULL;
  49.  
  50. #define PRINT_INFO_ERRCODE(st) { \
  51.         __native *x = (__native *) st; \
  52.     char *symbol = get_symtab_entry(x[1]); \
  53.     if (!symbol) \
  54.         symbol = ""; \
  55.     printf("----------------EXCEPTION OCCURED----------------\n"); \
  56.     printf("%%eip: %X (%s)\n",x[1],symbol); \
  57.     printf("ERROR_WORD=%X\n", x[0]); \
  58.     printf("%%cs=%X,flags=%X\n", x[2], x[3]); \
  59.     printf("%%eax=%X, %%ebx=%X, %%ecx=%X, %%edx=%X\n",\
  60.            x[-2],x[-5],x[-3],x[-4]); \
  61.     printf("%%esi=%X, %%edi=%X, %%ebp=%X, %%esp=%X\n",\
  62.            x[-8],x[-9],x[-1],x); \
  63.     printf("stack: %X, %X, %X, %X\n", x[4], x[5], x[6], x[7]); \
  64.     printf("       %X, %X, %X, %X\n", x[8], x[9], x[10], x[11]); \
  65.         }
  66.  
  67. void null_interrupt(int n, void *st)
  68. {
  69.     __native *stack = (__native *) st;
  70.  
  71.     printf("int %d: null_interrupt\n", n);
  72.     printf("stack: %L, %L, %L, %L\n", stack[0], stack[1], stack[2], stack[3]);
  73.     panic("unserviced interrupt\n");
  74. }
  75.  
  76. void gp_fault(int n, void *stack)
  77. {
  78.     PRINT_INFO_ERRCODE(stack);
  79.     panic("general protection fault\n");
  80. }
  81.  
  82. void ss_fault(int n, void *stack)
  83. {
  84.     PRINT_INFO_ERRCODE(stack);
  85.     panic("stack fault\n");
  86. }
  87.  
  88.  
  89. void nm_fault(int n, void *stack)
  90. {
  91. #ifdef CONFIG_FPU_LAZY    
  92.     scheduler_fpu_lazy_request();
  93. #else
  94.     panic("fpu fault");
  95. #endif
  96. }
  97.  
  98.  
  99.  
  100. void page_fault(int n, void *stack)
  101. {
  102.     PRINT_INFO_ERRCODE(stack);
  103.     printf("page fault address: %X\n", read_cr2());
  104.     panic("page fault\n");
  105. }
  106.  
  107. void syscall(int n, void *stack)
  108. {
  109.     printf("cpu%d: syscall\n", CPU->id);
  110.     thread_usleep(1000);
  111. }
  112.  
  113. void tlb_shootdown_ipi(int n, void *stack)
  114. {
  115.     trap_virtual_eoi();
  116.     tlb_shootdown_ipi_recv();
  117. }
  118.  
  119. void wakeup_ipi(int n, void *stack)
  120. {
  121.     trap_virtual_eoi();
  122. }
  123.  
  124. void trap_virtual_enable_irqs(__u16 irqmask)
  125. {
  126.     if (enable_irqs_function)
  127.         enable_irqs_function(irqmask);
  128.     else
  129.         panic("no enable_irqs_function\n");
  130. }
  131.  
  132. void trap_virtual_disable_irqs(__u16 irqmask)
  133. {
  134.     if (disable_irqs_function)
  135.         disable_irqs_function(irqmask);
  136.     else
  137.         panic("no disable_irqs_function\n");
  138. }
  139.  
  140. void trap_virtual_eoi(void)
  141. {
  142.     if (eoi_function)
  143.         eoi_function();
  144.     else
  145.         panic("no eoi_function\n");
  146.  
  147. }
  148.