diff options
| -rw-r--r-- | EmbeddedPkg/Include/Library/TimeBaseLib.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/EmbeddedPkg/Include/Library/TimeBaseLib.h b/EmbeddedPkg/Include/Library/TimeBaseLib.h index 4103c89b38..ee2f191d98 100644 --- a/EmbeddedPkg/Include/Library/TimeBaseLib.h +++ b/EmbeddedPkg/Include/Library/TimeBaseLib.h @@ -12,6 +12,38 @@ #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
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