arch/m68k-all/kernel/m68k_exception.h

   1 /*
   2     copyright © 1995-2010, the aros development team. all rights reserved.
   3     $id$
   4
   5     desc: M68K Exceptions
   6     lang: english
   7  */
   8 #ifndef M68K_EXCEPTION_H
   9 #define M68K_EXCEPTION_H
  10
  11 #include <aros/kernel.h>
  12 #include <exec/execbase.h>
  13
  14 #include <kernel_cpu.h>
  15
  16 /* Here's how it's all laid out:
  17  *    M68K Exception
  18  *      0       Reset: Initial SP
  19  *      1       Reset: Initial PC (NOTE: Really is SysBase!)
  20  *      2       Bus Error
  21  *      3       Address Error
  22  *      4       Illegal Instruction
  23  *      5       Divide by Zero
  24  *      6       CHK Instruction
  25  *      7       TRAPV Instruction
  26  *      8       Privileged Instruction
  27  *      9       Trace
  28  *      10      Line 1010 Emulator
  29  *      11      Line 1111 Emulator
  30  *      12      -
  31  *      13      -
  32  *      14      Format Error
  33  *      15      Uninitilaized Interrupt Vector
  34  *      16      -
  35  *      ..
  36  *      23      -
  37  *      24      Spurious Interrupt
  38  *      25      Level 1 Interrupt
  39  *      26      Level 2 Interrupt
  40  *      27      Level 3 Interrupt
  41  *      28      Level 4 Interrupt
  42  *      29      Level 5 Interrupt
  43  *      30      Level 6 Interrupt
  44  *      31      Level 7 Interrupt
  45  *      32      TRAP #0
  46  *      ..
  47  *      47      TRAP #15
  48  *      48      -
  49  *      ..
  50  *      63      -
  51  *      64      User 1
  52  *      ..
  53  *      255     User 191
  54  */
  55 struct M68KException {
  56         UWORD Id;
  57         /* tc_TrapCode style handler - MUST PRESERVE ALL REGISTERS! */
  58         void (*Handler)(ULONG id);
  59 };
  60
  61 void M68KExceptionInit(const struct M68KException *Table, struct ExecBase *SysBase);
  62
  63 #endif /* M68K_EXCEPTION_H */