+++ /dev/null
-/*
- * COPYRIGHT: GPL - See COPYING in the top level directory
- * PROJECT: ReactOS Virtual DOS Machine
- * FILE: subsystems/mvdm/ntvdm/hardware/cmos.h
- * PURPOSE: CMOS Real Time Clock emulation
- * PROGRAMMERS: Aleksandar Andrejevic <theflash AT sdf DOT lonestar DOT org>
- */
-
-#ifndef _CMOS_H_
-#define _CMOS_H_
-
-/* DEFINES ********************************************************************/
-
-#define RTC_IRQ_NUMBER 8
-#define CMOS_ADDRESS_PORT 0x70
-#define CMOS_DATA_PORT 0x71
-#define CMOS_DISABLE_NMI (1 << 7)
-#define CMOS_BATTERY_OK 0x80
-
-/* Status Register B flags */
-#define CMOS_STB_DST (1 << 0)
-#define CMOS_STB_24HOUR (1 << 1)
-#define CMOS_STB_BINARY (1 << 2)
-#define CMOS_STB_SQUARE_WAVE (1 << 3)
-#define CMOS_STB_INT_ON_UPDATE (1 << 4)
-#define CMOS_STB_INT_ON_ALARM (1 << 5)
-#define CMOS_STB_INT_PERIODIC (1 << 6)
-#define CMOS_STB_UPDATE_CYCLE (1 << 7)
-
-/* Status Register C flags */
-#define CMOS_STC_UF (1 << 4)
-#define CMOS_STC_AF (1 << 5)
-#define CMOS_STC_PF (1 << 6)
-#define CMOS_STC_IRQF (1 << 7)
-
-/* Default register values */
-#define CMOS_DEFAULT_STA 0x26
-#define CMOS_DEFAULT_STB CMOS_STB_24HOUR
-
-// Bit 0: Floppy, Bit 1: FPU, Bit 2: Mouse, Bits 4-5: 80x25 Color Video, Bits 6-7: 2 floppy drives
-#define CMOS_EQUIPMENT_LIST 0x6F
-
-
-#define WRITE_CMOS_DATA(Cmos, Value) \
- ((Cmos).StatusRegB & CMOS_STB_BINARY) ? (Value) : BCD_TO_BINARY(Value)
-
-#define READ_CMOS_DATA(Cmos, Value) \
- ((Cmos).StatusRegB & CMOS_STB_BINARY) ? (Value) : BINARY_TO_BCD(Value)
-
-typedef enum _CMOS_REGISTERS
-{
- CMOS_REG_SECONDS,
- CMOS_REG_ALARM_SEC,
- CMOS_REG_MINUTES,
- CMOS_REG_ALARM_MIN,
- CMOS_REG_HOURS,
- CMOS_REG_ALARM_HRS,
- CMOS_REG_DAY_OF_WEEK,
- CMOS_REG_DAY,
- CMOS_REG_MONTH,
- CMOS_REG_YEAR,
- CMOS_REG_STATUS_A,
- CMOS_REG_STATUS_B,
- CMOS_REG_STATUS_C,
- CMOS_REG_STATUS_D,
- CMOS_REG_DIAGNOSTICS,
- CMOS_REG_SHUTDOWN_STATUS,
- CMOS_REG_EQUIPMENT_LIST = 0x14,
- CMOS_REG_BASE_MEMORY_LOW = 0x15,
- CMOS_REG_BASE_MEMORY_HIGH = 0x16,
- CMOS_REG_EXT_MEMORY_LOW = 0x17,
- CMOS_REG_EXT_MEMORY_HIGH = 0x18,
- CMOS_REG_SYSOP = 0x2D,
- CMOS_REG_ACTUAL_EXT_MEMORY_LOW = 0x30,
- CMOS_REG_ACTUAL_EXT_MEMORY_HIGH = 0x31,
- CMOS_REG_CENTURY = 0x32,
- CMOS_REG_MAX = 0x40
-} CMOS_REGISTERS, *PCMOS_REGISTERS;
-
-/*
- * CMOS Memory Map
- *
- * See the following documentation for more information:
- * http://www.intel-assembler.it/portale/5/cmos-memory-map-123/cmos-memory-map-123.asp
- * http://wiki.osdev.org/CMOS
- * http://www.walshcomptech.com/ohlandl/config/cmos_registers.html
- * http://www.fysnet.net/cmosinfo.htm
- * http://www.bioscentral.com/misc/cmosmap.htm
- */
-#pragma pack(push, 1)
-typedef struct
-{
- BYTE Second; // 0x00
- BYTE AlarmSecond; // 0x01
- BYTE Minute; // 0x02
- BYTE AlarmMinute; // 0x03
- BYTE Hour; // 0x04
- BYTE AlarmHour; // 0x05
- BYTE DayOfWeek; // 0x06
- BYTE Day; // 0x07
- BYTE Month; // 0x08
- BYTE Year; // 0x09
-
- BYTE StatusRegA; // 0x0a
- BYTE StatusRegB; // 0x0b
-} CMOS_CLOCK, *PCMOS_CLOCK;
-
-typedef struct
-{
- union
- {
- struct
- {
- CMOS_CLOCK; // 0x00 - 0x0b
- BYTE StatusRegC; // 0x0c
- BYTE StatusRegD; // 0x0d
- BYTE Diagnostics; // 0x0e
- BYTE ShutdownStatus; // 0x0f
- BYTE FloppyDrivesType; // 0x10
- BYTE Reserved0; // 0x11
- BYTE HardDrivesType; // 0x12
- BYTE Reserved1; // 0x13
- BYTE EquipmentList; // 0x14
- BYTE BaseMemoryLow; // 0x15
- BYTE BaseMemoryHigh; // 0x16
- BYTE ExtMemoryLow; // 0x17
- BYTE ExtMemoryHigh; // 0x18
- BYTE ExtHardDrivesType[2]; // 0x19 - 0x1a
- BYTE Reserved2[0x15]; // 0x1b
- BYTE ActualExtMemoryLow; // 0x30
- BYTE ActualExtMemoryHigh; // 0x31
- BYTE Century; // 0x32
- };
- BYTE Regs1[0x10]; // 0x00 - 0x0f
- BYTE Regs [0x40]; // 0x00 - 0x3f
- };
-
- /*
- * Extended information 0x40 - 0x7f
- */
-} CMOS_MEMORY, *PCMOS_MEMORY;
-#pragma pack(pop)
-
-C_ASSERT(sizeof(CMOS_MEMORY) == 0x40);
-
-/* FUNCTIONS ******************************************************************/
-
-BOOLEAN IsNmiEnabled(VOID);
-DWORD RtcGetTicksPerSecond(VOID);
-
-VOID CmosInitialize(VOID);
-VOID CmosCleanup(VOID);
-
-#endif /* _CMOS_H_ */