reactos/subsystems/ntvdm/int32.h

   1 /*
   2  * COPYRIGHT:       GPL - See COPYING in the top level directory
   3  * PROJECT:         ReactOS Virtual DOS Machine
   4  * FILE:            int32.h
   5  * PURPOSE:         32-bit Interrupt Handlers
   6  * PROGRAMMERS:     Aleksandar Andrejevic <theflash AT sdf DOT lonestar DOT org>
   7  *                  Hermes Belusca-Maito (hermes.belusca@sfr.fr)
   8  */
   9
  10 #ifndef _INT32_H_
  11 #define _INT32_H_
  12
  13 /* INCLUDES *******************************************************************/
  14
  15 #include "cpu/callback.h"
  16
  17 /* DEFINES ********************************************************************/
  18
  19 /* 32-bit Interrupt Identifiers */
  20 #define EMULATOR_MAX_INT32_NUM  0xFF + 1
  21
  22
  23 //
  24 // WARNING WARNING!!
  25 // If you're changing the stack indices here, you then need
  26 // to also fix the Int16To32 handler code in int32.c !!
  27 //
  28
  29 // Custom variable pushed onto the stack for INT32 interrupts
  30 #define STACK_INT_NUM   0
  31
  32 // This is the standard stack layout for an interrupt
  33 #define STACK_IP        1
  34 #define STACK_CS        2
  35 #define STACK_FLAGS     3
  36
  37 extern const ULONG Int16To32StubSize;
  38
  39 /* FUNCTIONS ******************************************************************/
  40
  41 typedef VOID (WINAPI *EMULATOR_INT32_PROC)(LPWORD Stack);
  42
  43 ULONG
  44 RegisterInt16(IN  ULONG   FarPtr,
  45               IN  BYTE    IntNumber,
  46               IN  LPBYTE  CallbackCode,
  47               IN  SIZE_T  CallbackSize,
  48               OUT PSIZE_T CodeSize OPTIONAL);
  49
  50 ULONG
  51 RegisterInt32(IN  ULONG   FarPtr,
  52               IN  BYTE    IntNumber,
  53               IN  EMULATOR_INT32_PROC IntHandler,
  54               OUT PSIZE_T CodeSize OPTIONAL);
  55
  56 VOID
  57 Int32Call(IN PCALLBACK16 Context,
  58           IN BYTE IntNumber);
  59
  60 VOID InitializeInt32(VOID);
  61
  62 #endif // _INT32_H_
  63
  64 /* EOF */