audk/EmbeddedPkg/Include/Library/TimeBaseLib.h

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/** @file
*
* Copyright (c) 2016, Hisilicon Limited. All rights reserved.
* Copyright (c) 2016, Linaro Limited. All rights reserved.
*
* This program and the accompanying materials
* are licensed and made available under the terms and conditions of the BSD License
* which accompanies this distribution. The full text of the license may be found at
* http://opensource.org/licenses/bsd-license.php
*
* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
*
**/
#ifndef _TIME_BASE_LIB_H_
#define _TIME_BASE_LIB_H_
#include <Uefi/UefiBaseType.h>
// Define EPOCH (1970-JANUARY-01) in the Julian Date representation
#define EPOCH_JULIAN_DATE 2440588
// Seconds per unit
#define SEC_PER_MIN ((UINTN) 60)
#define SEC_PER_HOUR ((UINTN) 3600)
#define SEC_PER_DAY ((UINTN) 86400)
#define SEC_PER_MONTH ((UINTN) 2,592,000)
#define SEC_PER_YEAR ((UINTN) 31,536,000)
BOOLEAN
EFIAPI
IsLeapYear (
IN EFI_TIME *Time
);
BOOLEAN
EFIAPI
IsDayValid (
IN EFI_TIME *Time
);
BOOLEAN
EFIAPI
IsTimeValid (
IN EFI_TIME *Time
);
/**
Converts Epoch seconds (elapsed since 1970 JANUARY 01, 00:00:00 UTC) to EFI_TIME
**/
VOID
EFIAPI
EpochToEfiTime (
IN UINTN EpochSeconds,
OUT EFI_TIME *Time
);
/**
Converts EFI_TIME to Epoch seconds (elapsed since 1970 JANUARY 01, 00:00:00 UTC)
**/
UINTN
EFIAPI
EfiTimeToEpoch (
IN EFI_TIME *Time
);
#endif