3402aac7d9
Trailing spaces create issue/warning when generating/applying patches. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Ronald Cron <ronald.cron@arm.com> Reviewed-By: Olivier Martin <olivier.martin@arm.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15833 6f19259b-4bc3-4df7-8a09-765794883524
159 lines
4.6 KiB
C
159 lines
4.6 KiB
C
/** @file
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Implement EFI RealTimeClock runtime services via RTC Lib.
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Currently this driver does not support runtime virtual calling.
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Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
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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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#include <PiDxe.h>
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#include <Library/UefiLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/RealTimeClockLib.h>
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#include <Protocol/RealTimeClock.h>
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EFI_HANDLE mHandle = NULL;
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/**
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Returns the current time and date information, and the time-keeping capabilities
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of the hardware platform.
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@param Time A pointer to storage to receive a snapshot of the current time.
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@param Capabilities An optional pointer to a buffer to receive the real time clock
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device's capabilities.
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@retval EFI_SUCCESS The operation completed successfully.
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@retval EFI_INVALID_PARAMETER Time is NULL.
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@retval EFI_DEVICE_ERROR The time could not be retrieved due to hardware error.
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**/
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EFI_STATUS
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EFIAPI
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GetTime (
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OUT EFI_TIME *Time,
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OUT EFI_TIME_CAPABILITIES *Capabilities
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)
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{
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return LibGetTime (Time, Capabilities);
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}
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/**
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Sets the current local time and date information.
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@param Time A pointer to the current time.
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@retval EFI_SUCCESS The operation completed successfully.
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@retval EFI_INVALID_PARAMETER A time field is out of range.
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@retval EFI_DEVICE_ERROR The time could not be set due due to hardware error.
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**/
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EFI_STATUS
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EFIAPI
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SetTime (
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IN EFI_TIME *Time
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)
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{
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return LibSetTime (Time);
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}
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/**
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Returns the current wakeup alarm clock setting.
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@param Enabled Indicates if the alarm is currently enabled or disabled.
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@param Pending Indicates if the alarm signal is pending and requires acknowledgement.
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@param Time The current alarm setting.
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@retval EFI_SUCCESS The alarm settings were returned.
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@retval EFI_INVALID_PARAMETER Any parameter is NULL.
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@retval EFI_DEVICE_ERROR The wakeup time could not be retrieved due to a hardware error.
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**/
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EFI_STATUS
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EFIAPI
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GetWakeupTime (
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OUT BOOLEAN *Enabled,
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OUT BOOLEAN *Pending,
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OUT EFI_TIME *Time
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)
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{
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return LibGetWakeupTime (Enabled, Pending, Time);
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}
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/**
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Sets the system wakeup alarm clock time.
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@param Enabled Enable or disable the wakeup alarm.
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@param Time If Enable is TRUE, the time to set the wakeup alarm for.
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@retval EFI_SUCCESS If Enable is TRUE, then the wakeup alarm was enabled. If
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Enable is FALSE, then the wakeup alarm was disabled.
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@retval EFI_INVALID_PARAMETER A time field is out of range.
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@retval EFI_DEVICE_ERROR The wakeup time could not be set due to a hardware error.
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@retval EFI_UNSUPPORTED A wakeup timer is not supported on this platform.
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**/
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EFI_STATUS
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EFIAPI
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SetWakeupTime (
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IN BOOLEAN Enabled,
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OUT EFI_TIME *Time
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)
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{
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return LibSetWakeupTime (Enabled, Time);
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}
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/**
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This is the declaration of an EFI image entry point. This can be the entry point to an application
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written to this specification, an EFI boot service driver, or an EFI runtime driver.
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@param ImageHandle Handle that identifies the loaded image.
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@param SystemTable System Table for this image.
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@retval EFI_SUCCESS The operation completed successfully.
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**/
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EFI_STATUS
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EFIAPI
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InitializeRealTimeClock (
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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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{
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EFI_STATUS Status;
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LibRtcInitialize (ImageHandle, SystemTable);
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SystemTable->RuntimeServices->GetTime = GetTime;
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SystemTable->RuntimeServices->SetTime = SetTime;
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SystemTable->RuntimeServices->GetWakeupTime = GetWakeupTime;
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SystemTable->RuntimeServices->SetWakeupTime = SetWakeupTime;
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Status = gBS->InstallMultipleProtocolInterfaces (
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&mHandle,
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&gEfiRealTimeClockArchProtocolGuid,
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NULL,
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NULL
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);
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return Status;
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}
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