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| author | Yao, Jiewen <jiewen.yao@intel.com> | 2015-03-04 01:15:08 +0000 |
|---|---|---|
| committer | jyao1 <jyao1@Edk2> | 2015-03-04 01:15:08 +0000 |
| commit | 3dd05ac3e6a047cd0e85f590a9886a8cd4fd7a16 (patch) | |
| tree | 8adc7b3f44ab9cec7fbafa0b1ce6bf46a09b73a0 /SecurityPkg/Tcg/TcgPei | |
| parent | 4c9ed23eb6051ea2cd80cb5c8d9a935964b06b1f (diff) | |
| download | edk2-3dd05ac3e6a047cd0e85f590a9886a8cd4fd7a16.tar.gz edk2-3dd05ac3e6a047cd0e85f590a9886a8cd4fd7a16.tar.bz2 edk2-3dd05ac3e6a047cd0e85f590a9886a8cd4fd7a16.zip | |
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
Diffstat (limited to 'SecurityPkg/Tcg/TcgPei')
| -rw-r--r-- | SecurityPkg/Tcg/TcgPei/TcgPei.c | 13 |
1 files changed, 13 insertions, 0 deletions
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.
|