mirror of
https://github.com/reactos/reactos.git
synced 2024-08-04 10:30:59 +00:00
6da6a5ce56
Start my work on modularizing registration of "32-bit" interrupts, i.e. interrupts that are implemented in 32-bit mode, but are stubbed with 16-bit code (so that 16-bit apps can call them). The 16-bit stub code uses a BOP call to our Control BOP function (BOP 0xFF) which can handle in theory many sub-functions (as the BOP 0x58 documented here: http://www.ragestorm.net/tutorial?id=27) specified as an additional BYTE in the call: 0xC4 0xC4 bop_code <optional_bop_subfunction> Here, for calling 32-bit interrupts we use our BOP 0xFF, subfunction 0xFF. The final aim would be to generate the 16-bit stub code when one calls the RegisterInt32 helper function (contrary to what's happening now, that is, the 16-bit stub code is generated for all of the interrupts at BIOS initialization time, and we use it for BIOS and DOS interrupts). svn path=/branches/ntvdm/; revision=60907
40 lines
1.2 KiB
C
40 lines
1.2 KiB
C
/*
|
|
* COPYRIGHT: GPL - See COPYING in the top level directory
|
|
* PROJECT: ReactOS Virtual DOS Machine
|
|
* FILE: bop.h
|
|
* PURPOSE: BIOS Operation Handlers
|
|
* PROGRAMMERS: Aleksandar Andrejevic <theflash AT sdf DOT lonestar DOT org>
|
|
* Hermes Belusca-Maito (hermes.belusca@sfr.fr)
|
|
*/
|
|
|
|
#ifndef _BOP_H_
|
|
#define _BOP_H_
|
|
|
|
/* DEFINES ********************************************************************/
|
|
|
|
/* BOP Identifiers */
|
|
#define EMULATOR_BOP 0xC4C4
|
|
|
|
#define EMULATOR_CTRL_BOP 0xFF // Control BOP Handler
|
|
#define CTRL_BOP_DEFLT 0x00 // Default Control BOP Function
|
|
#define CTRL_BOP_INT32 0xFF // 32-bit Interrupt dispatcher
|
|
|
|
#define EMULATOR_MAX_BOP_NUM 0xFF + 1
|
|
|
|
/* 32-bit Interrupt Identifiers */
|
|
#define EMULATOR_MAX_INT_NUM 0xFF + 1
|
|
|
|
/* FUNCTIONS ******************************************************************/
|
|
|
|
typedef VOID (WINAPI *EMULATOR_BOP_PROC)(LPWORD Stack);
|
|
typedef VOID (WINAPI *EMULATOR_INT32_PROC)(LPWORD Stack);
|
|
|
|
VOID WINAPI ControlBop(LPWORD Stack);
|
|
|
|
VOID WINAPI RegisterInt32(BYTE IntNumber, EMULATOR_INT32_PROC IntHandler);
|
|
VOID WINAPI EmulatorBiosOperation(PFAST486_STATE State, UCHAR BopCode);
|
|
|
|
#endif // _BOP_H_
|
|
|
|
/* EOF */
|