| /*++ @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 |