Revision: 16640
http://sourceforge.net/p/edk2/code/16640
Author: zwei4
Date: 2015-01-22 07:33:14 +0000 (Thu, 22 Jan 2015)
Log Message:
-----------
Set RTC initial time to be BIOS Release time.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: David Wei <[email protected]>
Reviewed-by: Star Zeng <[email protected]>
Modified Paths:
--------------
branches/UDK2014.SP1/Vlv2TbltDevicePkg/PlatformDxe/Platform.c
branches/UDK2014.SP1/Vlv2TbltDevicePkg/PlatformDxe/PlatformDxe.h
branches/UDK2014.SP1/Vlv2TbltDevicePkg/PlatformDxe/PlatformDxe.inf
Added Paths:
-----------
branches/UDK2014.SP1/Vlv2TbltDevicePkg/PlatformDxe/Rtc.c
Modified: branches/UDK2014.SP1/Vlv2TbltDevicePkg/PlatformDxe/Platform.c
===================================================================
--- branches/UDK2014.SP1/Vlv2TbltDevicePkg/PlatformDxe/Platform.c
2015-01-22 05:50:45 UTC (rev 16639)
+++ branches/UDK2014.SP1/Vlv2TbltDevicePkg/PlatformDxe/Platform.c
2015-01-22 07:33:14 UTC (rev 16640)
@@ -1,23 +1,23 @@
/** @file
- Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR>
-
+ Copyright (c) 2004 - 2015, Intel Corporation. All rights reserved.<BR>
+
- This program and the accompanying materials are licensed and made available
under
+ This program and the accompanying materials are licensed and made available
under
- the terms and conditions of the BSD License that accompanies this
distribution.
+ the terms and conditions of the BSD License that accompanies this
distribution.
- The full text of the license may be found at
+ The full text of the license may be found at
- http://opensource.org/licenses/bsd-license.php.
+ http://opensource.org/licenses/bsd-license.php.
-
+
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR
IMPLIED.
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR
IMPLIED.
-
+
Module Name:
@@ -622,12 +622,12 @@
EFI_STATUS Status;
UINTN VarSize;
EFI_HANDLE Handle = NULL;
-
EFI_EVENT mEfiExitBootServicesEvent;
+ EFI_EVENT RtcEvent;
+ VOID *RtcCallbackReg = NULL;
+
+ mImageHandle = ImageHandle;
- //
-mImageHandle = ImageHandle;
-
Status = gBS->InstallProtocolInterface (
&Handle,
&gEfiSpeakerInterfaceProtocolGuid,
@@ -798,13 +798,24 @@
&mEfiExitBootServicesEvent
);
+ //
+ // Adjust RTC deafult time to be BIOS-built time.
+ //
+ Status = gBS->CreateEvent (
+ EVT_NOTIFY_SIGNAL,
+ TPL_CALLBACK,
+ AdjustDefaultRtcTimeCallback,
+ NULL,
+ &RtcEvent
+ );
+ if (!EFI_ERROR (Status)) {
+ Status = gBS->RegisterProtocolNotify (
+ &gExitPmAuthProtocolGuid,
+ RtcEvent,
+ &RtcCallbackReg
+ );
-//
-// Tristae Lpc pins at last moment
-//
-if (mSystemConfiguration.TristateLpc == 1)
-{
-}
+ }
return EFI_SUCCESS;
}
Modified: branches/UDK2014.SP1/Vlv2TbltDevicePkg/PlatformDxe/PlatformDxe.h
===================================================================
--- branches/UDK2014.SP1/Vlv2TbltDevicePkg/PlatformDxe/PlatformDxe.h
2015-01-22 05:50:45 UTC (rev 16639)
+++ branches/UDK2014.SP1/Vlv2TbltDevicePkg/PlatformDxe/PlatformDxe.h
2015-01-22 07:33:14 UTC (rev 16640)
@@ -1,26 +1,17 @@
/*++
- Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR>
-
+ Copyright (c) 2004 - 2015, Intel Corporation. All rights reserved.<BR>
+
+ This program and the accompanying materials are licensed and made available
under
+ the terms and conditions of the BSD License that accompanies this
distribution.
+ The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php.
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR
IMPLIED.
+
- This program and the accompanying materials are licensed and made available
under
- the terms and conditions of the BSD License that accompanies this
distribution.
-
- The full text of the license may be found at
-
- http://opensource.org/licenses/bsd-license.php.
-
-
-
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR
IMPLIED.
-
-
-
-
-
Module Name:
PlatformDxe.h
@@ -54,6 +45,7 @@
#include <Library/Tpm2CommandLib.h>
#include <Library/Tpm2DeviceLib.h>
#include <Library/BaseCryptLib.h>
+#include <Library/BiosIdLib.h>
#include <Protocol/GlobalNvsArea.h>
#include <Protocol/PciRootBridgeIo.h>
#include <Protocol/IsaAcpi.h>
@@ -69,6 +61,7 @@
#include <Protocol/DataHub.h>
#include <Protocol/PciIo.h>
#include <Protocol/Speaker.h>
+#include <Protocol/ExitPmAuth.h>
#include <IndustryStandard/Pci22.h>
#include <Guid/SetupVariable.h>
#include <Guid/PlatformInfo.h>
@@ -643,6 +636,13 @@
EFI_STATUS
PciBusDriverHook();
+VOID
+EFIAPI
+AdjustDefaultRtcTimeCallback (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ );
+
typedef struct _GOP_DISPLAY_BRIGHTNESS_PROTOCOL
GOP_DISPLAY_BRIGHTNESS_PROTOCOL;
typedef
Modified: branches/UDK2014.SP1/Vlv2TbltDevicePkg/PlatformDxe/PlatformDxe.inf
===================================================================
--- branches/UDK2014.SP1/Vlv2TbltDevicePkg/PlatformDxe/PlatformDxe.inf
2015-01-22 05:50:45 UTC (rev 16639)
+++ branches/UDK2014.SP1/Vlv2TbltDevicePkg/PlatformDxe/PlatformDxe.inf
2015-01-22 07:33:14 UTC (rev 16640)
@@ -1,24 +1,15 @@
#/*++
#
-# Copyright (c) 1999 - 2014, Intel Corporation. All rights reserved
-#
-
-# This program and the accompanying materials are licensed and made available
under
-
-# the terms and conditions of the BSD License that accompanies this
distribution.
-
-# The full text of the license may be found at
-
-# http://opensource.org/licenses/bsd-license.php.
-
-#
-
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR
IMPLIED.
-
-#
-
+# Copyright (c) 1999 - 2015, Intel Corporation. All rights reserved
+#
+# This program and the accompanying materials are licensed and made available
under
+# the terms and conditions of the BSD License that accompanies this
distribution.
+# The full text of the license may be found at
+# http://opensource.org/licenses/bsd-license.php.
+#
+# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR
IMPLIED.
+#
#
# Module Name:
#
@@ -60,6 +51,7 @@
LegacySpeaker.c
Observable/Observable.c
ExI.c
+ Rtc.c
[Packages]
MdePkg/MdePkg.dec
@@ -134,6 +126,7 @@
gEfiGlobalNvsAreaProtocolGuid
gEfiCpuIo2ProtocolGuid
gIgdOpRegionProtocolGuid
+ gExitPmAuthProtocolGuid
[Pcd.common]
gPlatformModuleTokenSpaceGuid.PcdPBTNDisableInterval
Added: branches/UDK2014.SP1/Vlv2TbltDevicePkg/PlatformDxe/Rtc.c
===================================================================
--- branches/UDK2014.SP1/Vlv2TbltDevicePkg/PlatformDxe/Rtc.c
(rev 0)
+++ branches/UDK2014.SP1/Vlv2TbltDevicePkg/PlatformDxe/Rtc.c 2015-01-22
07:33:14 UTC (rev 16640)
@@ -0,0 +1,160 @@
+/** @file
+ Adjust Default System Time.
+
+ Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
+
+ This program and the accompanying materials are licensed and made available
under
+ the terms and conditions of the BSD License that accompanies this
distribution.
+ The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php.
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR
IMPLIED.
+
+--*/
+
+#include <PlatformDxe.h>
+
+//
+// Date and time initial values.
+// They are used if the RTC values are invalid during driver initialization
+//
+#define RTC_INIT_SECOND 0
+#define RTC_INIT_MINUTE 0
+#define RTC_INIT_HOUR 0
+
+CHAR16 mBiosReleaseDate[20];
+
+/**
+ Convert a single character to number.
+ It assumes the input Char is in the scope of L'0' ~ L'9' and L'A' ~ L'F'
+
+ @param Char The input char which need to change to a hex number.
+
+**/
+UINTN
+CharToUint (
+ IN CHAR16 Char
+ )
+{
+ if ((Char >= L'0') && (Char <= L'9')) {
+ return (UINTN) (Char - L'0');
+ }
+
+ if ((Char >= L'A') && (Char <= L'F')) {
+ return (UINTN) (Char - L'A' + 0xA);
+ }
+
+ ASSERT (FALSE);
+ return 0;
+}
+
+/**
+ See if YEAR field of a variable of EFI_TIME type is correct.
+
+ @param Time The time to be checked.
+
+ @retval EFI_INVALID_PARAMETER Some fields of Time are not correct.
+ @retval EFI_SUCCESS Time is a valid EFI_TIME variable.
+
+**/
+EFI_STATUS
+CheckRtcTimeFields (
+ IN EFI_TIME *Time
+ )
+{
+ UINT16 YearBuilt;
+
+ YearBuilt = (UINT16)(CharToUint(mBiosReleaseDate[8])*10 +
CharToUint(mBiosReleaseDate[9]) + 2000);
+
+ if ((Time->Year) < YearBuilt) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ return EFI_SUCCESS;
+}
+
+/**
+ ExitPmAuth Protocol notification event handler, which set initial system
time to be
+ the time when BIOS was built.
+
+ @param[in] Event Event whose notification function is being invoked.
+ @param[in] Context Pointer to the notification function's context.
+
+**/
+VOID
+EFIAPI
+AdjustDefaultRtcTimeCallback (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ )
+{
+ EFI_STATUS Status;
+ EFI_TIME EfiTime;
+ CHAR16 BiosVersion[60];
+ CHAR16 BiosReleaseTime[20];
+ //
+ // Get BIOS built time from Bios-ID.
+ //
+
+ SetMem(BiosVersion, sizeof(BiosVersion), 0);
+ SetMem(mBiosReleaseDate, sizeof(mBiosReleaseDate), 0);
+ SetMem(BiosReleaseTime, sizeof(BiosReleaseTime), 0);
+
+ Status = GetBiosVersionDateTime (BiosVersion, mBiosReleaseDate,
BiosReleaseTime);
+ ASSERT_EFI_ERROR(Status);
+ if (EFI_ERROR (Status)) {
+ return;
+ }
+
+ //
+ // Get current RTC time.
+ //
+ Status = gRT->GetTime (&EfiTime, NULL);
+
+ //
+ // Validate RTC time fields
+ //
+ Status = CheckRtcTimeFields (&EfiTime);
+
+ if (EFI_ERROR (Status)) {
+ //
+ // Date such as Dec 28th of 2015
+ //
+ // Month
+ // BiosReleaseDate[0] = '1';
+ // BiosReleaseDate[1] = '2';
+ //
+ // Day
+ // BiosReleaseDate[3] = '2';
+ // BiosReleaseDate[4] = '8';
+ //
+ //
+ // Year
+ //
+ // BiosReleaseDate[6] = '2';
+ // BiosReleaseDate[7] = '0';
+ // BiosReleaseDate[8] = '1'
+ // BiosReleaseDate[9] = '5';
+
+ EfiTime.Second = RTC_INIT_SECOND;
+ EfiTime.Minute = RTC_INIT_MINUTE;
+ EfiTime.Hour = RTC_INIT_HOUR;
+ EfiTime.Day = (UINT8)(CharToUint(mBiosReleaseDate[3])*10 +
CharToUint(mBiosReleaseDate[4]));
+ EfiTime.Month = (UINT8)(CharToUint(mBiosReleaseDate[0])*10 +
CharToUint(mBiosReleaseDate[1]));
+ EfiTime.Year = (UINT16)(CharToUint(mBiosReleaseDate[8])*10 +
CharToUint(mBiosReleaseDate[9]) + 2000);
+ EfiTime.Nanosecond = 0;
+ EfiTime.TimeZone = EFI_UNSPECIFIED_TIMEZONE;
+ EfiTime.Daylight = 1;
+
+ DEBUG ((EFI_D_INFO, "Day:%d Month:%d Year:%d \n", (UINT32)EfiTime.Day,
(UINT32)EfiTime.Month, (UINT32)EfiTime.Year));
+
+ //
+ // Reset time value according to new RTC configuration
+ //
+ Status = gRT->SetTime (&EfiTime);
+ ASSERT_EFI_ERROR(Status);
+ }
+
+ return;
+}
------------------------------------------------------------------------------
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