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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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15
SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.c
View File

@@ -56,9 +56,6 @@ typedef struct {
EFI_GUID *VendorGuid;
} VARIABLE_TYPE;
#define EFI_TCG_LOG_AREA_SIZE 0x10000
#define EFI_TCG_FINAL_LOG_AREA_SIZE 0x1000
#define TCG2_DEFAULT_MAX_COMMAND_SIZE 0x1000
#define TCG2_DEFAULT_MAX_RESPONSE_SIZE 0x1000
@@ -1470,19 +1467,19 @@ 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)) {
return Status;
}
mTcgDxeData.EventLogAreaStruct[Index].Lasa = Lasa;
mTcgDxeData.EventLogAreaStruct[Index].Laml = EFI_TCG_LOG_AREA_SIZE;
mTcgDxeData.EventLogAreaStruct[Index].Laml = PcdGet32 (PcdTcgLogAreaMinLen);
//
// To initialize them as 0xFF is recommended
// because the OS can know the last entry for that.
//
SetMem ((VOID *)(UINTN)Lasa, EFI_TCG_LOG_AREA_SIZE, 0xFF);
SetMem ((VOID *)(UINTN)Lasa, PcdGet32 (PcdTcgLogAreaMinLen), 0xFF);
//
// Create first entry for Log Header Entry Data
//
@@ -1571,13 +1568,13 @@ SetupEventLog (
Status = gBS->AllocatePages (
AllocateMaxAddress,
EfiACPIMemoryNVS,
EFI_SIZE_TO_PAGES (EFI_TCG_FINAL_LOG_AREA_SIZE),
EFI_SIZE_TO_PAGES (PcdGet32 (PcdTcg2FinalLogAreaLen)),
&Lasa
);
if (EFI_ERROR (Status)) {
return Status;
}
SetMem ((VOID *)(UINTN)Lasa, EFI_TCG_FINAL_LOG_AREA_SIZE, 0xFF);
SetMem ((VOID *)(UINTN)Lasa, PcdGet32 (PcdTcg2FinalLogAreaLen), 0xFF);
//
// Initialize
@@ -1588,7 +1585,7 @@ SetupEventLog (
mTcgDxeData.FinalEventLogAreaStruct[Index].EventLogFormat = mTcg2EventInfo[Index].LogFormat;
mTcgDxeData.FinalEventLogAreaStruct[Index].Lasa = Lasa + sizeof(EFI_TCG2_FINAL_EVENTS_TABLE);
mTcgDxeData.FinalEventLogAreaStruct[Index].Laml = EFI_TCG_FINAL_LOG_AREA_SIZE - sizeof(EFI_TCG2_FINAL_EVENTS_TABLE);
mTcgDxeData.FinalEventLogAreaStruct[Index].Laml = PcdGet32 (PcdTcg2FinalLogAreaLen) - sizeof(EFI_TCG2_FINAL_EVENTS_TABLE);
mTcgDxeData.FinalEventLogAreaStruct[Index].EventLogSize = 0;
mTcgDxeData.FinalEventLogAreaStruct[Index].LastEvent = (VOID *)(UINTN)mTcgDxeData.FinalEventLogAreaStruct[Index].Lasa;
mTcgDxeData.FinalEventLogAreaStruct[Index].EventLogStarted = FALSE;