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SecurityPkg: TcgDxe,Tcg2Dxe,TrEEDxe: New PCD for TCG event log and TCG2 final event log area

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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
This commit is contained in:
Chao Zhang
2016-01-12 00:37:02 +00:00
committed by czhang46
parent d764d59849
commit 91e914f587
8 changed files with 44 additions and 29 deletions
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14
SecurityPkg/Tcg/TcgDxe/TcgDxe.c
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@@ -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 ();