/*++ @file | |
Emu Emulation Architectural Protocol Driver as defined in UEFI/PI. | |
This Timer module uses an UNIX Thread to simulate the timer-tick driven | |
timer service. | |
Copyright (c) 2006, Intel Corporation. All rights reserved.<BR> | |
Portions copyright (c) 2010 - 2011, Apple Inc. All rights reserved. | |
SPDX-License-Identifier: BSD-2-Clause-Patent | |
**/ | |
#ifndef _TIMER_H_ | |
#define _TIMER_H_ | |
// | |
// Legal timer value range in 100 ns units | |
// | |
#define TIMER_MINIMUM_VALUE 0 | |
#define TIMER_MAXIMUM_VALUE (0x100000000ULL - 1) | |
// | |
// Default timer value in 100 ns units (50 ms) | |
// | |
#define DEFAULT_TIMER_TICK_DURATION 500000 | |
// | |
// Function Prototypes | |
// | |
EFI_STATUS | |
EFIAPI | |
EmuTimerDriverInitialize ( | |
IN EFI_HANDLE ImageHandle, | |
IN EFI_SYSTEM_TABLE *SystemTable | |
); | |
EFI_STATUS | |
EFIAPI | |
EmuTimerDriverRegisterHandler ( | |
IN EFI_TIMER_ARCH_PROTOCOL *This, | |
IN EFI_TIMER_NOTIFY NotifyFunction | |
); | |
EFI_STATUS | |
EFIAPI | |
EmuTimerDriverSetTimerPeriod ( | |
IN EFI_TIMER_ARCH_PROTOCOL *This, | |
IN UINT64 TimerPeriod | |
); | |
EFI_STATUS | |
EFIAPI | |
EmuTimerDriverGetTimerPeriod ( | |
IN EFI_TIMER_ARCH_PROTOCOL *This, | |
OUT UINT64 *TimerPeriod | |
); | |
EFI_STATUS | |
EFIAPI | |
EmuTimerDriverGenerateSoftInterrupt ( | |
IN EFI_TIMER_ARCH_PROTOCOL *This | |
); | |
#endif |