Add logic to check uninitialized RTC value in PcRtc driver in MdeModulePkg.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5281 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 18 insertions, 18 deletions

diff --git a/MdeModulePkg/Universal/PcatRealTimeClockRuntimeDxe/PcRtc.h b/MdeModulePkg/Universal/PcatRealTimeClockRuntimeDxe/PcRtc.h
index c44731a2f8..b0c526ff67 100644
--- a/MdeModulePkg/Universal/PcatRealTimeClockRuntimeDxe/PcRtc.h
+++ b/MdeModulePkg/Universal/PcatRealTimeClockRuntimeDxe/PcRtc.h
@@ -398,27 +398,27 @@ Returns:
 --*/

 ;

 

-VOID

-ConvertRtcTimeToEfiTime (

-  IN EFI_TIME       *Time,

-  IN RTC_REGISTER_B RegisterB

-  )

-/*++

+/**

+  Converts time read from RTC to EFI_TIME format defined by UEFI spec.

 

-Routine Description:

+  This function converts raw time data read from RTC to the EFI_TIME format

+  defined by UEFI spec.

+  If data mode of RTC is BCD, then converts it to decimal,

+  If RTC is in 12-hour format, then converts it to 24-hour format.

 

-  GC_TODO: Add function description

-

-Arguments:

+  @param   Time       On input, the time data read from RTC to convert

+                      On output, the time converted to UEFI format

+  @param   Century    Value of century read from RTC.

+  @param   RegisterB  Value of Register B of RTC, indicating data mode

+                      and hour format.

 

-  Time      - GC_TODO: add argument description

-  RegisterB - GC_TODO: add argument description

-

-Returns:

-

-  GC_TODO: add return values

-

---*/

+**/

+EFI_STATUS

+ConvertRtcTimeToEfiTime (

+  IN OUT EFI_TIME        *Time,

+  IN     UINT8           Century,

+  IN     RTC_REGISTER_B  RegisterB

+  )

 ;

 

 EFI_STATUS