PcAtChipsetPkg/Rtc: Fix a UEFI Win7 boot hang issue

[mirror_edk2.git] / PcAtChipsetPkg / PcatRealTimeClockRuntimeDxe / PcRtc.h

diff --git a/PcAtChipsetPkg/PcatRealTimeClockRuntimeDxe/PcRtc.h b/PcAtChipsetPkg/PcatRealTimeClockRuntimeDxe/PcRtc.h
index 026c1086b2fe826522c7017a0973e0c180d3d373..7fc19f90434efb71e6f72822c602d663cdb1c2cb 100644 (file)
--- a/PcAtChipsetPkg/PcatRealTimeClockRuntimeDxe/PcRtc.h
+++ b/PcAtChipsetPkg/PcatRealTimeClockRuntimeDxe/PcRtc.h
@@ -19,6 +19,8 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 \r
 #include <Uefi.h>\r
 \r
+#include <Guid/Acpi.h>\r
+\r
 #include <Protocol/RealTimeClock.h>\r
 \r
 #include <Library/BaseLib.h>\r
@@ -34,13 +36,15 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 #include <Library/PcdLib.h>\r
 #include <Library/ReportStatusCodeLib.h>\r
 \r
-\r
 typedef struct {\r
   EFI_LOCK  RtcLock;\r
   INT16     SavedTimeZone;\r
   UINT8     Daylight;\r
+  UINT8     CenturyRtcAddress;\r
 } PC_RTC_MODULE_GLOBALS;\r
 \r
+extern PC_RTC_MODULE_GLOBALS  mModuleGlobal;\r
+\r
 #define PCAT_RTC_ADDRESS_REGISTER 0x70\r
 #define PCAT_RTC_DATA_REGISTER    0x71\r
 \r
@@ -355,4 +359,20 @@ IsLeapYear (
   IN EFI_TIME   *Time\r
   );\r
 \r
+/**\r
+  Notification function of ACPI Table change.\r
+\r
+  This is a notification function registered on ACPI Table change event.\r
+  It saves the Century address stored in ACPI FADT table.\r
+\r
+  @param  Event        Event whose notification function is being invoked.\r
+  @param  Context      Pointer to the notification function's context.\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+PcRtcAcpiTableChangeCallback (\r
+  IN EFI_EVENT        Event,\r
+  IN VOID             *Context\r
+  );\r
 #endif\r