arch/m68k-amiga/boot/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 /* Here's how it's all laid out:
  15  *    M68K Exception
  16  *      0       Reset: Initial SP
  17  *      1       Reset: Initial PC (NOTE: Really is SysBase!)
  18  *      2       Bus Error
  19  *      3       Address Error
  20  *      4       Illegal Instruction
  21  *      5       Divide by Zero
  22  *      6       CHK Instruction
  23  *      7       TRAPV Instruction
  24  *      8       Privileged Instruction
  25  *      9       Trace
  26  *      10      Line 1010 Emulator
  27  *      11      Line 1111 Emulator
  28  *      12      -
  29  *      13      -
  30  *      14      Format Error
  31  *      15      Uninitilaized Interrupt Vector
  32  *      16      -
  33  *      ..
  34  *      23      -
  35  *      24      Spurious Interrupt
  36  *      25      Level 1 Interrupt
  37  *      26      Level 2 Interrupt
  38  *      27      Level 3 Interrupt
  39  *      28      Level 4 Interrupt
  40  *      29      Level 5 Interrupt
  41  *      30      Level 6 Interrupt
  42  *      31      Level 7 Interrupt
  43  *      32      TRAP #0
  44  *      ..
  45  *      47      TRAP #15
  46  *      48      -
  47  *      ..
  48  *      63      -
  49  *      64      User 1
  50  *      ..
  51  *      255     User 191
  52  */
  53 struct M68KException {
  54         UBYTE Id;
  55         void (*Handler)(int id, UWORD SRReg, struct ExecBase *SysBase);
  56 };
  57
  58 void M68KExceptionInit(const struct M68KException *Table, struct ExecBase *SysBase);
  59
  60 #endif /* M68K_EXCEPTION_H */