* PROGRAMMERS: Aleksandar Andrejevic <theflash AT sdf DOT lonestar DOT org>
*/
+#ifndef _NTVDM_H_
+#define _NTVDM_H_
+
/* INCLUDES *******************************************************************/
#include <windows.h>
#define MAX_SEGMENT 0xFFFF
#define MAX_OFFSET 0xFFFF
#define MAX_ADDRESS TO_LINEAR(MAX_SEGMENT, MAX_OFFSET)
-#define ROM_AREA_START 0xC0000
-#define ROM_AREA_END 0xFFFFF
-#define BIOS_PIC_MASTER_INT 0x08
-#define BIOS_PIC_SLAVE_INT 0x70
-#define BIOS_SEGMENT 0xF000
-#define VIDEO_BIOS_INTERRUPT 0x10
-#define SPECIAL_INT_NUM 0xFF
-#define SEGMENT_TO_MCB(seg) ((PDOS_MCB)((ULONG_PTR)BaseAddress + TO_LINEAR((seg), 0)))
-#define SEGMENT_TO_PSP(seg) ((PDOS_PSP)((ULONG_PTR)BaseAddress + TO_LINEAR((seg), 0)))
#define STEPS_PER_CYCLE 256
-/* DOS constants */
-#define DOS_VERSION 0x0600
-#define DOS_CONFIG_PATH L"%SystemRoot%\\system32\\CONFIG.NT"
-#define DOS_COMMAND_INTERPRETER L"%SystemRoot%\\system32\\COMMAND.COM /k %SystemRoot%\\system32\\AUTOEXEC.NT"
-#define FIRST_MCB_SEGMENT 0x1000
-#define USER_MEMORY_SIZE 0x8FFFF
-#define SYSTEM_PSP 0x08
-#define SYSTEM_ENV_BLOCK 0x800
-
-/* System console constants */
-#define CONSOLE_FONT_HEIGHT 8
-#define CONSOLE_VIDEO_MEM_START 0xB8000
-#define CONSOLE_VIDEO_MEM_END 0xBFFFF
-
-/* Programmable interval timer (PIT) */
-#define PIT_CHANNELS 3
-#define PIT_BASE_FREQUENCY 1193182LL
-#define PIT_DATA_PORT(x) (0x40 + (x))
-#define PIT_COMMAND_PORT 0x43
-
-/* Programmable interrupt controller (PIC) */
-#define PIC_MASTER_CMD 0x20
-#define PIC_MASTER_DATA 0x21
-#define PIC_SLAVE_CMD 0xA0
-#define PIC_SLAVE_DATA 0xA1
-#define PIC_ICW1 0x10
-#define PIC_ICW1_ICW4 (1 << 0)
-#define PIC_ICW1_SINGLE (1 << 1)
-#define PIC_ICW4_8086 (1 << 0)
-#define PIC_ICW4_AEOI (1 << 1)
-#define PIC_OCW2_NUM_MASK 0x07
-#define PIC_OCW2_EOI (1 << 5)
-#define PIC_OCW2_SL (1 << 6)
-#define PIC_OCW3 (1 << 3)
-#define PIC_OCW3_READ_ISR 0x0B
-
-/* 8042 PS/2 controller */
-#define KEYBOARD_BUFFER_SIZE 32
-#define PS2_DATA_PORT 0x60
-#define PS2_CONTROL_PORT 0x64
-
-#define EMULATOR_FLAG_CF (1 << 0)
-#define EMULATOR_FLAG_PF (1 << 2)
-#define EMULATOR_FLAG_AF (1 << 4)
-#define EMULATOR_FLAG_ZF (1 << 6)
-#define EMULATOR_FLAG_SF (1 << 7)
-#define EMULATOR_FLAG_TF (1 << 8)
-#define EMULATOR_FLAG_IF (1 << 9)
-#define EMULATOR_FLAG_DF (1 << 10)
-#define EMULATOR_FLAG_OF (1 << 11)
-#define EMULATOR_FLAG_NT (1 << 14)
-#define EMULATOR_FLAG_RF (1 << 16)
-#define EMULATOR_FLAG_VM (1 << 17)
-#define EMULATOR_FLAG_AC (1 << 18)
-#define EMULATOR_FLAG_VIF (1 << 19)
-#define EMULATOR_FLAG_VIP (1 << 20)
-#define EMULATOR_FLAG_ID (1 << 21)
-
-typedef enum
-{
- EMULATOR_REG_AX,
- EMULATOR_REG_CX,
- EMULATOR_REG_DX,
- EMULATOR_REG_BX,
- EMULATOR_REG_SI,
- EMULATOR_REG_DI,
- EMULATOR_REG_SP,
- EMULATOR_REG_BP,
- EMULATOR_REG_ES,
- EMULATOR_REG_CS,
- EMULATOR_REG_SS,
- EMULATOR_REG_DS,
-} EMULATOR_REGISTER;
-
-#pragma pack(push, 1)
-
-typedef struct _DOS_MCB
-{
- CHAR BlockType;
- WORD OwnerPsp;
- WORD Size;
- BYTE Unused[3];
- CHAR Name[8];
-} DOS_MCB, *PDOS_MCB;
-
-typedef struct _DOS_FCB
-{
- BYTE DriveNumber;
- CHAR FileName[8];
- CHAR FileExt[3];
- WORD BlockNumber;
- WORD RecordSize;
- DWORD FileSize;
- WORD LastWriteDate;
- WORD LastWriteTime;
- BYTE Reserved[8];
- BYTE BlockRecord;
- BYTE RecordNumber[3];
-} DOS_FCB, *PDOS_FCB;
-
-typedef struct _DOS_PSP
-{
- BYTE Exit[2];
- WORD MemSize;
- BYTE Reserved0[6];
- DWORD TerminateAddress;
- DWORD BreakAddress;
- DWORD CriticalAddress;
- WORD ParentPsp;
- BYTE HandleTable[20];
- WORD EnvBlock;
- DWORD LastStack;
- WORD HandleTableSize;
- DWORD HandleTablePtr;
- DWORD PreviousPsp;
- DWORD Reserved1;
- WORD DosVersion;
- BYTE Reserved2[14];
- BYTE FarCall[3];
- BYTE Reserved3[9];
- DOS_FCB Fcb;
- BYTE CommandLineSize;
- CHAR CommandLine[127];
-} DOS_PSP, *PDOS_PSP;
-
-typedef struct _DOS_SFT_ENTRY
-{
- WORD ReferenceCount;
- WORD Mode;
- BYTE Attribute;
- WORD DeviceInfo;
- DWORD DriveParamBlock;
- WORD FirstCluster;
- WORD FileTime;
- WORD FileDate;
- DWORD FileSize;
- DWORD CurrentOffset;
- WORD LastClusterAccessed;
- DWORD DirEntSector;
- BYTE DirEntryIndex;
- CHAR FileName[11];
- BYTE Reserved0[6];
- WORD OwnerPsp;
- BYTE Reserved1[8];
-} DOS_SFT_ENTRY, *PDOS_SFT_ENTRY;
-
-typedef struct _DOS_SFT
-{
- DWORD NextTablePtr;
- WORD FileCount;
- DOS_SFT_ENTRY Entry[ANYSIZE_ARRAY];
-} DOS_SFT, *PDOS_SFT;
-
-typedef struct _DOS_INPUT_BUFFER
-{
- BYTE MaxLength, Length;
- CHAR Buffer[ANYSIZE_ARRAY];
-} DOS_INPUT_BUFFER, *PDOS_INPUT_BUFFER;
-
-#pragma pack(pop)
-
/* FUNCTIONS ******************************************************************/
extern LPVOID BaseAddress;
extern LPCWSTR ExceptionName[];
VOID DisplayMessage(LPCWSTR Format, ...);
-BOOLEAN BiosInitialize();
-VOID BiosUpdateConsole(ULONG StartAddress, ULONG EndAddress);
-VOID BiosPrintCharacter(CHAR Character, BYTE Attribute);
-BOOLEAN DosInitialize();
-WORD DosAllocateMemory(WORD Size, WORD *MaxAvailable);
-BOOLEAN DosFreeMemory(WORD Segment);
-WORD DosResizeMemory(WORD Segment, WORD NewSize);
-BOOLEAN DosCreateProcess(LPCSTR CommandLine, WORD EnvBlock);
-VOID DosInt20h(WORD CodeSegment);
-VOID DosInt21h(WORD CodeSegment);
-VOID DosBreakInterrupt();
-VOID BiosVideoService();
-VOID BiosHandleIrq(BYTE IrqNumber);
-BYTE PicReadCommand(BYTE Port);
-VOID PicWriteCommand(BYTE Port, BYTE Value);
-BYTE PicReadData(BYTE Port);
-VOID PicWriteData(BYTE Port, BYTE Value);
-VOID PicInterruptRequest(BYTE Number);
-VOID PitInitialize();
-VOID PitWriteCommand(BYTE Value);
-BYTE PitReadData(BYTE Channel);
-VOID PitWriteData(BYTE Channel, BYTE Value);
-VOID PitDecrementCount();
-VOID CheckForInputEvents();
-VOID EmulatorSetStack(WORD Segment, WORD Offset);
-VOID EmulatorExecute(WORD Segment, WORD Offset);
-VOID EmulatorInterrupt(BYTE Number);
-ULONG EmulatorGetRegister(ULONG Register);
-VOID EmulatorSetRegister(ULONG Register, ULONG Value);
-VOID EmulatorSetFlag(ULONG Flag);
-VOID EmulatorClearFlag(ULONG Flag);
-BOOLEAN EmulatorGetFlag(ULONG Flag);
-BOOLEAN EmulatorInitialize();
-VOID EmulatorStep();
-VOID EmulatorCleanup();
+
+#endif
/* EOF */
projects / reactos.git / blobdiff