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authorYao, Jiewen <jiewen.yao@intel.com>2015-03-04 01:15:08 +0000
committerjyao1 <jyao1@Edk2>2015-03-04 01:15:08 +0000
commit3dd05ac3e6a047cd0e85f590a9886a8cd4fd7a16 (patch)
tree8adc7b3f44ab9cec7fbafa0b1ce6bf46a09b73a0
parent4c9ed23eb6051ea2cd80cb5c8d9a935964b06b1f (diff)
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Add performance optimization for Tcg/TrEE.
Add error check for Tcg/TrEE Pei/Dxe driver to avoid unnecessary hardware check for performance optimization. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: "Yao, Jiewen" <jiewen.yao@intel.com> Reviewed-by: "Zeng, Star" <star.zeng@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17004 6f19259b-4bc3-4df7-8a09-765794883524
-rw-r--r--SecurityPkg/SecurityPkg.dec1
-rw-r--r--SecurityPkg/Tcg/TcgDxe/TcgDxe.c9
-rw-r--r--SecurityPkg/Tcg/TcgPei/TcgPei.c13
-rw-r--r--SecurityPkg/Tcg/TrEEDxe/TrEEDxe.c11
-rw-r--r--SecurityPkg/Tcg/TrEEPei/TrEEPei.c13
5 files changed, 38 insertions, 9 deletions
diff --git a/SecurityPkg/SecurityPkg.dec b/SecurityPkg/SecurityPkg.dec
index b15cd62401..11c1d84dc7 100644
--- a/SecurityPkg/SecurityPkg.dec
+++ b/SecurityPkg/SecurityPkg.dec
@@ -192,6 +192,7 @@
# [Error.gEfiSecurityPkgTokenSpaceGuid]
# 0x80000001 | Invalid value provided.
# 0x80000002 | Reserved bits must be set to zero.
+# 0x80000003 | Incorrect progress or error code provided.
#
[PcdsFixedAtBuild, PcdsPatchableInModule]
diff --git a/SecurityPkg/Tcg/TcgDxe/TcgDxe.c b/SecurityPkg/Tcg/TcgDxe/TcgDxe.c
index db7951cd9a..f15e94353c 100644
--- a/SecurityPkg/Tcg/TcgDxe/TcgDxe.c
+++ b/SecurityPkg/Tcg/TcgDxe/TcgDxe.c
@@ -1355,6 +1355,11 @@ DriverEntry (
return EFI_UNSUPPORTED;
}
+ if (GetFirstGuidHob (&gTpmErrorHobGuid) != NULL) {
+ DEBUG ((EFI_D_ERROR, "TPM error!\n"));
+ return EFI_DEVICE_ERROR;
+ }
+
mTcgDxeData.TpmHandle = (TIS_TPM_HANDLE)(UINTN)TPM_BASE_ADDRESS;
Status = TisPcRequestUseTpm (mTcgDxeData.TpmHandle);
if (EFI_ERROR (Status)) {
@@ -1362,10 +1367,6 @@ DriverEntry (
return Status;
}
- if (GetFirstGuidHob (&gTpmErrorHobGuid) != NULL) {
- mTcgDxeData.BsCap.TPMPresentFlag = FALSE;
- }
-
Status = GetTpmStatus (&mTcgDxeData.BsCap.TPMDeactivatedFlag);
if (EFI_ERROR (Status)) {
DEBUG ((
diff --git a/SecurityPkg/Tcg/TcgPei/TcgPei.c b/SecurityPkg/Tcg/TcgPei/TcgPei.c
index 466caf66c2..419eacf37d 100644
--- a/SecurityPkg/Tcg/TcgPei/TcgPei.c
+++ b/SecurityPkg/Tcg/TcgPei/TcgPei.c
@@ -752,6 +752,11 @@ PeimEntryMA (
return EFI_UNSUPPORTED;
}
+ if (GetFirstGuidHob (&gTpmErrorHobGuid) != NULL) {
+ DEBUG ((EFI_D_ERROR, "TPM error!\n"));
+ return EFI_DEVICE_ERROR;
+ }
+
//
// Initialize TPM device
//
@@ -808,6 +813,14 @@ PeimEntryMA (
}
Done:
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "TPM error! Build Hob\n"));
+ BuildGuidHob (&gTpmErrorHobGuid,0);
+ REPORT_STATUS_CODE (
+ EFI_ERROR_CODE | EFI_ERROR_MINOR,
+ (PcdGet32 (PcdStatusCodeSubClassTpmDevice) | EFI_P_EC_INTERFACE_ERROR)
+ );
+ }
//
// Always intall TpmInitializationDonePpi no matter success or fail.
// Other driver can know TPM initialization state by TpmInitializedPpi.
diff --git a/SecurityPkg/Tcg/TrEEDxe/TrEEDxe.c b/SecurityPkg/Tcg/TrEEDxe/TrEEDxe.c
index 58c4aff819..6126bd8761 100644
--- a/SecurityPkg/Tcg/TrEEDxe/TrEEDxe.c
+++ b/SecurityPkg/Tcg/TrEEDxe/TrEEDxe.c
@@ -1815,16 +1815,17 @@ DriverEntry (
return EFI_UNSUPPORTED;
}
+ if (GetFirstGuidHob (&gTpmErrorHobGuid) != NULL) {
+ DEBUG ((EFI_D_ERROR, "TPM2 error!\n"));
+ return EFI_DEVICE_ERROR;
+ }
+
Status = Tpm2RequestUseTpm ();
if (EFI_ERROR (Status)) {
- DEBUG ((EFI_D_ERROR, "TPM not detected!\n"));
+ DEBUG ((EFI_D_ERROR, "TPM2 not detected!\n"));
return Status;
}
- if (GetFirstGuidHob (&gTpmErrorHobGuid) != NULL) {
- mTcgDxeData.BsCap.TrEEPresentFlag = FALSE;
- }
-
//
// Fill information
//
diff --git a/SecurityPkg/Tcg/TrEEPei/TrEEPei.c b/SecurityPkg/Tcg/TrEEPei/TrEEPei.c
index a7bc903436..7a17b0a5da 100644
--- a/SecurityPkg/Tcg/TrEEPei/TrEEPei.c
+++ b/SecurityPkg/Tcg/TrEEPei/TrEEPei.c
@@ -636,6 +636,11 @@ PeimEntryMA (
return EFI_UNSUPPORTED;
}
+ if (GetFirstGuidHob (&gTpmErrorHobGuid) != NULL) {
+ DEBUG ((EFI_D_ERROR, "TPM2 error!\n"));
+ return EFI_DEVICE_ERROR;
+ }
+
Status = PeiServicesGetBootMode (&BootMode);
ASSERT_EFI_ERROR (Status);
@@ -701,6 +706,14 @@ PeimEntryMA (
}
Done:
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "TPM2 error! Build Hob\n"));
+ BuildGuidHob (&gTpmErrorHobGuid,0);
+ REPORT_STATUS_CODE (
+ EFI_ERROR_CODE | EFI_ERROR_MINOR,
+ (PcdGet32 (PcdStatusCodeSubClassTpmDevice) | EFI_P_EC_INTERFACE_ERROR)
+ );
+ }
//
// Always intall TpmInitializationDonePpi no matter success or fail.
// Other driver can know TPM initialization state by TpmInitializedPpi.