diff options
Diffstat (limited to 'ArmPlatformPkg/Library')
-rw-r--r-- | ArmPlatformPkg/Library/PL031RealTimeClockLib/PL031RealTimeClockLib.c | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/ArmPlatformPkg/Library/PL031RealTimeClockLib/PL031RealTimeClockLib.c b/ArmPlatformPkg/Library/PL031RealTimeClockLib/PL031RealTimeClockLib.c index b7dba087fc..980f809b2c 100644 --- a/ArmPlatformPkg/Library/PL031RealTimeClockLib/PL031RealTimeClockLib.c +++ b/ArmPlatformPkg/Library/PL031RealTimeClockLib/PL031RealTimeClockLib.c @@ -181,7 +181,7 @@ EfiTimeToEpoch ( JulianDate = Time->Day + ((153*m + 2)/5) + (365*y) + (y/4) - (y/100) + (y/400) - 32045;
- ASSERT(JulianDate > EPOCH_JULIAN_DATE);
+ ASSERT (JulianDate >= EPOCH_JULIAN_DATE);
EpochDays = JulianDate - EPOCH_JULIAN_DATE;
EpochSeconds = (EpochDays * SEC_PER_DAY) + ((UINTN)Time->Hour * SEC_PER_HOUR) + (Time->Minute * SEC_PER_MIN) + Time->Second;
@@ -420,16 +420,9 @@ LibSetTime ( EFI_STATUS Status;
UINTN EpochSeconds;
- // Because the PL031 is a 32-bit counter counting seconds,
- // the maximum time span is just over 136 years.
- // Time is stored in Unix Epoch format, so it starts in 1970,
- // Therefore it can not exceed the year 2106.
- // This is not a problem for UEFI, as the current spec limits the years
- // to the range 1998 .. 2011
-
- // Check the input parameters' range.
- if ((Time->Year < 1998) ||
- (Time->Year > 2099) ||
+ // Check the input parameters are within the range specified by UEFI
+ if ((Time->Year < 1900) ||
+ (Time->Year > 9999) ||
(Time->Month < 1 ) ||
(Time->Month > 12 ) ||
(!DayValid (Time) ) ||
@@ -444,6 +437,15 @@ LibSetTime ( goto EXIT;
}
+ // Because the PL031 is a 32-bit counter counting seconds,
+ // the maximum time span is just over 136 years.
+ // Time is stored in Unix Epoch format, so it starts in 1970,
+ // Therefore it can not exceed the year 2106.
+ if ((Time->Year < 1970) || (Time->Year >= 2106)) {
+ Status = EFI_UNSUPPORTED;
+ goto EXIT;
+ }
+
// Initialize the hardware if not already done
if (!mPL031Initialized) {
Status = InitializePL031 ();
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