From dc756baeda55490202f3150a8821b5164e906451 Mon Sep 17 00:00:00 2001
From: Jiewen Yao <jiewen.yao@intel.com>
Date: Mon, 12 Dec 2016 14:35:05 +0800
Subject: [PATCH] SecurityPkg:/Tcg2Dxe: remove 4G limitation

Tcg2Dxe allocates event log below 4G. It is unnecessary.

Cc: Chao Zhang <chao.b.zhang@intel.com>
Cc: Star Zeng <star.zeng@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Chao Zhang <chao.b.zhang@intel.com>
---
 SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.c b/SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.c
index 9e8dfae6cc..cf2fe4e508 100644
--- a/SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.c
+++ b/SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.c
@@ -1394,9 +1394,8 @@ SetupEventLog (
   for (Index = 0; Index < sizeof(mTcg2EventInfo)/sizeof(mTcg2EventInfo[0]); Index++) {
     if ((mTcgDxeData.BsCap.SupportedEventLogs & mTcg2EventInfo[Index].LogFormat) != 0) {
       mTcgDxeData.EventLogAreaStruct[Index].EventLogFormat = mTcg2EventInfo[Index].LogFormat;
-      Lasa = (EFI_PHYSICAL_ADDRESS) (SIZE_4GB - 1);
       Status = gBS->AllocatePages (
-                      AllocateMaxAddress,
+                      AllocateAnyPages,
                       EfiBootServicesData,
                       EFI_SIZE_TO_PAGES (PcdGet32 (PcdTcgLogAreaMinLen)),
                       &Lasa
@@ -1496,9 +1495,8 @@ SetupEventLog (
   for (Index = 0; Index < sizeof(mTcg2EventInfo)/sizeof(mTcg2EventInfo[0]); Index++) {
     if ((mTcgDxeData.BsCap.SupportedEventLogs & mTcg2EventInfo[Index].LogFormat) != 0) {
       if (mTcg2EventInfo[Index].LogFormat == EFI_TCG2_EVENT_LOG_FORMAT_TCG_2) {
-        Lasa = (EFI_PHYSICAL_ADDRESS) (SIZE_4GB - 1);
         Status = gBS->AllocatePages (
-                        AllocateMaxAddress,
+                        AllocateAnyPages,
                         EfiACPIMemoryNVS,
                         EFI_SIZE_TO_PAGES (PcdGet32 (PcdTcg2FinalLogAreaLen)),
                         &Lasa