summaryrefslogtreecommitdiff
path: root/SecurityPkg/Tcg/TcgDxe/TcgDxe.c
diff options
context:
space:
mode:
authorChao Zhang <chao.b.zhang@intel.com>2016-01-12 00:37:02 +0000
committerczhang46 <czhang46@Edk2>2016-01-12 00:37:02 +0000
commit91e914f5876f35317638771103f64baf903a9bfc (patch)
treefd61784e6596d0da3c0265c11960e5a83c6cd860 /SecurityPkg/Tcg/TcgDxe/TcgDxe.c
parentd764d59849b782c11424f27c2148ecb057533a76 (diff)
downloadedk2-platforms-91e914f5876f35317638771103f64baf903a9bfc.tar.xz
SecurityPkg: TcgDxe,Tcg2Dxe,TrEEDxe: New PCD for TCG event log and TCG2 final event log area
TCG event log and TCG2 final event log area length can be configurable to meet platform event log requirement. PcdTcgLogAreaMinLen : 0x10000 based on minimum requirement in TCG ACPI Spec 00.37 PcdTcg2FinalLogAreaLen : 0x8000 based on experience value Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Chao Zhang <chao.b.zhang@intel.com> Reviewed-by: Yao Jiewen <jiewen.yao@intel.com> Reviewed-by: Qin Long <qin.long@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@19639 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'SecurityPkg/Tcg/TcgDxe/TcgDxe.c')
-rw-r--r--SecurityPkg/Tcg/TcgDxe/TcgDxe.c14
1 files changed, 6 insertions, 8 deletions
diff --git a/SecurityPkg/Tcg/TcgDxe/TcgDxe.c b/SecurityPkg/Tcg/TcgDxe/TcgDxe.c
index 4e2741c0cf..1e52179885 100644
--- a/SecurityPkg/Tcg/TcgDxe/TcgDxe.c
+++ b/SecurityPkg/Tcg/TcgDxe/TcgDxe.c
@@ -53,8 +53,6 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#include "TpmComm.h"
-#define EFI_TCG_LOG_AREA_SIZE 0x10000
-
#define TCG_DXE_DATA_FROM_THIS(this) \
BASE_CR (this, TCG_DXE_DATA, TcgProtocol)
@@ -653,7 +651,7 @@ SetupEventLog (
Status = gBS->AllocatePages (
AllocateMaxAddress,
EfiACPIMemoryNVS,
- EFI_SIZE_TO_PAGES (EFI_TCG_LOG_AREA_SIZE),
+ EFI_SIZE_TO_PAGES (PcdGet32 (PcdTcgLogAreaMinLen)),
&Lasa
);
if (EFI_ERROR (Status)) {
@@ -664,8 +662,8 @@ SetupEventLog (
// To initialize them as 0xFF is recommended
// because the OS can know the last entry for that.
//
- SetMem ((VOID *)(UINTN)mTcgClientAcpiTemplate.Lasa, EFI_TCG_LOG_AREA_SIZE, 0xFF);
- mTcgClientAcpiTemplate.Laml = EFI_TCG_LOG_AREA_SIZE;
+ SetMem ((VOID *)(UINTN)mTcgClientAcpiTemplate.Lasa, PcdGet32 (PcdTcgLogAreaMinLen), 0xFF);
+ mTcgClientAcpiTemplate.Laml = PcdGet32 (PcdTcgLogAreaMinLen);
} else {
Lasa = mTcgServerAcpiTemplate.Lasa;
@@ -673,7 +671,7 @@ SetupEventLog (
Status = gBS->AllocatePages (
AllocateMaxAddress,
EfiACPIMemoryNVS,
- EFI_SIZE_TO_PAGES (EFI_TCG_LOG_AREA_SIZE),
+ EFI_SIZE_TO_PAGES (PcdGet32 (PcdTcgLogAreaMinLen)),
&Lasa
);
if (EFI_ERROR (Status)) {
@@ -684,8 +682,8 @@ SetupEventLog (
// To initialize them as 0xFF is recommended
// because the OS can know the last entry for that.
//
- SetMem ((VOID *)(UINTN)mTcgServerAcpiTemplate.Lasa, EFI_TCG_LOG_AREA_SIZE, 0xFF);
- mTcgServerAcpiTemplate.Laml = EFI_TCG_LOG_AREA_SIZE;
+ SetMem ((VOID *)(UINTN)mTcgServerAcpiTemplate.Lasa, PcdGet32 (PcdTcgLogAreaMinLen), 0xFF);
+ mTcgServerAcpiTemplate.Laml = PcdGet32 (PcdTcgLogAreaMinLen);
}
GuidHob.Raw = GetHobList ();