1 files changed, 102 insertions, 0 deletions
diff --git a/roms/edk2/EmbeddedPkg/Include/Library/TimeBaseLib.h b/roms/edk2/EmbeddedPkg/Include/Library/TimeBaseLib.h
new file mode 100644
index 000000000..ee2f191d9
--- /dev/null
+++ b/roms/edk2/EmbeddedPkg/Include/Library/TimeBaseLib.h
@@ -0,0 +1,102 @@
+/** @file
+*
+*  Copyright (c) 2016, Hisilicon Limited. All rights reserved.
+*  Copyright (c) 2016-2019, Linaro Limited. All rights reserved.
+*
+*  SPDX-License-Identifier: BSD-2-Clause-Patent
+*
+**/
+
+#ifndef _TIME_BASE_LIB_H_
+#define _TIME_BASE_LIB_H_
+
+#include <Uefi/UefiBaseType.h>
+
+//
+// Convenience macros to obtain a build date
+//
+// These macros should work for any compiler that follows ISO/IEC 9899,
+// in which case __DATE__ is defined as a "Mmm dd yyyy" 11 chars string,
+// but add an explicit filter for compilers that have been validated.
+//
+#if (defined(__GNUC__) || defined(_MSC_VER) || defined(__clang__))
+#define TIME_BUILD_YEAR  (__DATE__[7] == '?' ? 1900 \
+          : (((__DATE__[7] - '0') * 1000 )          \
+          + (__DATE__[8] - '0') * 100               \
+          + (__DATE__[9] - '0') * 10                \
+          + __DATE__[10] - '0'))
+#define TIME_BUILD_MONTH ( __DATE__ [2] == '?' ? 1  \
+          : __DATE__ [2] == 'n' ? (                 \
+            __DATE__ [1] == 'a' ? 1 : 6)            \
+          : __DATE__ [2] == 'b' ? 2                 \
+          : __DATE__ [2] == 'r' ? (                 \
+            __DATE__ [0] == 'M' ? 3 : 4)            \
+          : __DATE__ [2] == 'y' ? 5                 \
+          : __DATE__ [2] == 'l' ? 7                 \
+          : __DATE__ [2] == 'g' ? 8                 \
+          : __DATE__ [2] == 'p' ? 9                 \
+          : __DATE__ [2] == 't' ? 10                \
+          : __DATE__ [2] == 'v' ? 11                \
+          : 12)
+#define TIME_BUILD_DAY ( __DATE__[4] == '?' ? 1     \
+          : ((__DATE__[4] == ' ' ? 0 :              \
+            ((__DATE__[4] - '0') * 10))             \
+          + __DATE__[5] - '0'))
+#endif
+
+// 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)
+ **/
+UINT32
+EFIAPI
+EfiTimeToEpoch (
+  IN  EFI_TIME  *Time
+  );
+
+/**
+  returns Day of the week [0-6] 0=Sunday
+ **/
+UINTN
+EfiTimeToWday (
+  IN  EFI_TIME  *Time
+  );
+
+#endif