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d18d8a1d0e
Signed-off-by: jljusten git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11919 6f19259b-4bc3-4df7-8a09-765794883524
74 lines
1.7 KiB
C
74 lines
1.7 KiB
C
/*++ @file
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Emu Emulation Architectural Protocol Driver as defined in UEFI/PI.
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This Timer module uses an UNIX Thread to simulate the timer-tick driven
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timer service.
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Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
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Portions copyright (c) 2010 - 2011, Apple Inc. All rights reserved.
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef _TIMER_H_
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#define _TIMER_H_
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//
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// Legal timer value range in 100 ns units
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//
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#define TIMER_MINIMUM_VALUE 0
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#define TIMER_MAXIMUM_VALUE (0x100000000ULL - 1)
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//
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// Default timer value in 100 ns units (50 ms)
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//
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#define DEFAULT_TIMER_TICK_DURATION 500000
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//
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// Function Prototypes
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//
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EFI_STATUS
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EFIAPI
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EmuTimerDriverInitialize (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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);
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EFI_STATUS
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EFIAPI
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EmuTimerDriverRegisterHandler (
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IN EFI_TIMER_ARCH_PROTOCOL *This,
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IN EFI_TIMER_NOTIFY NotifyFunction
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);
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EFI_STATUS
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EFIAPI
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EmuTimerDriverSetTimerPeriod (
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IN EFI_TIMER_ARCH_PROTOCOL *This,
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IN UINT64 TimerPeriod
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);
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EFI_STATUS
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EFIAPI
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EmuTimerDriverGetTimerPeriod (
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IN EFI_TIMER_ARCH_PROTOCOL *This,
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OUT UINT64 *TimerPeriod
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);
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EFI_STATUS
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EFIAPI
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EmuTimerDriverGenerateSoftInterrupt (
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IN EFI_TIMER_ARCH_PROTOCOL *This
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);
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#endif
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