ArmPlatformPkg: Store initial timer value

This commit adds support for storing initial timer value
logged at the beginning of firmware image execution.
This timer value is required for firmware basic boot performance
data record referenced by Firmware Performance Data Table (FPDT).

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Alexei Fedorov <Alxei.Fedorov@arm.com>
Signed-off-by: Evan Lloyd <evan.lloyd@arm.com>
Reviewed-by: Graeme Gregory <graeme.gregory@linaro.org>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>

1 files changed, 9 insertions, 1 deletions

diff --git a/ArmPlatformPkg/PrePi/PrePi.c b/ArmPlatformPkg/PrePi/PrePi.c
index e548ccace0..e5016ea453 100644
--- a/ArmPlatformPkg/PrePi/PrePi.c
+++ b/ArmPlatformPkg/PrePi/PrePi.c
@@ -1,6 +1,6 @@
 /** @file

 *

-*  Copyright (c) 2011-2014, ARM Limited. All rights reserved.

+*  Copyright (c) 2011-2017, ARM Limited. All rights reserved.

 *

 *  This program and the accompanying materials

 *  are licensed and made available under the terms and conditions of the BSD License

@@ -24,6 +24,7 @@
 

 #include <Ppi/GuidedSectionExtraction.h>

 #include <Ppi/ArmMpCoreInfo.h>

+#include <Ppi/SecPerformance.h>

 #include <Guid/LzmaDecompress.h>

 

 #include "PrePi.h"

@@ -86,6 +87,7 @@ PrePiMain (
   CHAR8                         Buffer[100];

   UINTN                         CharCount;

   UINTN                         StacksSize;

+  FIRMWARE_SEC_PERFORMANCE      Performance;

 

   // If ensure the FD is either part of the System Memory or totally outside of the System Memory (XIP)

   ASSERT (IS_XIP() ||

@@ -146,6 +148,12 @@ PrePiMain (
     }

   }

 

+  // Store timer value logged at the beginning of firmware image execution

+  Performance.ResetEnd = GetTimeInNanoSecond (StartTimeStamp);

+

+  // Build SEC Performance Data Hob

+  BuildGuidDataHob (&gEfiFirmwarePerformanceGuid, &Performance, sizeof (Performance));

+

   // Set the Boot Mode

   SetBootMode (ArmPlatformGetBootMode ());