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
  10 /***********************************************************************
  11  *           INT_Int41Handler
  12  *
  13  */
  14 void WINAPI INT_Int41Handler( CONTEXT86 *context )
  15 {
  16     if ( ISV86(context) )
  17     {
  18         /* Real-mode debugger services */
  19         switch ( AX_reg(context) )
  20         {
  21         default:
  22             INT_BARF( context, 0x41 );
  23             break;
  24         }
  25     }
  26     else
  27     {
  28         /* Protected-mode debugger services */
  29         switch ( AX_reg(context) )
  30         {
  31         case 0x4f:
  32         case 0x50:
  33         case 0x150:
  34         case 0x51:
  35         case 0x52:
  36         case 0x152:
  37         case 0x59:
  38         case 0x5a:
  39         case 0x5b:
  40         case 0x5c:
  41         case 0x5d:
  42             /* Notifies the debugger of a lot of stuff. We simply ignore it
  43                for now, but some of the info might actually be useful ... */
  44             break;
  45
  46         default:
  47             INT_BARF( context, 0x41 );
  48             break;
  49         }
  50     }
  51 }
  52