msdos/int41.c

   1 /*
   2  * DOS interrupt 41h handler  -- Windows Kernel Debugger
   3  *
   4  * Check debugsys.inc from the DDK for docu.
   5  */
   6
   7 #include <stdio.h>
   8 #include "miscemu.h"
   9 #include "debugtools.h"
  10
  11 DEFAULT_DEBUG_CHANNEL(int);
  12
  13 /***********************************************************************
  14  *           INT_Int41Handler
  15  *
  16  */
  17 void WINAPI INT_Int41Handler( CONTEXT86 *context )
  18 {
  19     if ( ISV86(context) )
  20     {
  21         /* Real-mode debugger services */
  22         switch ( AX_reg(context) )
  23         {
  24         default:
  25             INT_BARF( context, 0x41 );
  26             break;
  27         }
  28     }
  29     else
  30     {
  31         /* Protected-mode debugger services */
  32         switch ( AX_reg(context) )
  33         {
  34         case 0x4f:
  35         case 0x50:
  36         case 0x150:
  37         case 0x51:
  38         case 0x52:
  39         case 0x152:
  40         case 0x59:
  41         case 0x5a:
  42         case 0x5b:
  43         case 0x5c:
  44         case 0x5d:
  45             /* Notifies the debugger of a lot of stuff. We simply ignore it
  46                for now, but some of the info might actually be useful ... */
  47             break;
  48
  49         default:
  50             INT_BARF( context, 0x41 );
  51             break;
  52         }
  53     }
  54 }
  55