From: Min M Xu <min.m...@intel.com>
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=4335
CcMeasurement protocol is installed when it is supported in a td-guest. If
the installation of the protocol failed, the guest shall go into
CpuDeadLoop. Because the measurement feature is crucial to a td-guest and
it shall stop running immediately at this situation.
Cc: Jiewen Yao <jiewen....@intel.com>
Cc: Jian J Wang <jian.j.w...@intel.com>
Signed-off-by: Min Xu <min.m...@intel.com>
---
SecurityPkg/Tcg/TdTcg2Dxe/TdTcg2Dxe.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/SecurityPkg/Tcg/TdTcg2Dxe/TdTcg2Dxe.c
b/SecurityPkg/Tcg/TdTcg2Dxe/TdTcg2Dxe.c
index 59341a8c0250..b34da724ac42 100644
--- a/SecurityPkg/Tcg/TdTcg2Dxe/TdTcg2Dxe.c
+++ b/SecurityPkg/Tcg/TdTcg2Dxe/TdTcg2Dxe.c
@@ -2510,6 +2510,12 @@ DriverEntry (
//
// Create event callback to install CC EventLog ACPI Table
EfiCreateProtocolNotifyEvent (&gEfiAcpiTableProtocolGuid, TPL_CALLBACK,
InstallAcpiTable, NULL, &Registration);
+ } else {
+ //
+ // Cc measurement feature is crucial to a td-guest and it shall stop
running immediately
+ // when it is failed to be installed.
+ DEBUG ((DEBUG_ERROR, "%a: CcMeasurement protocol failed to be installed -
%r\n", __FUNCTION__, Status));
+ CpuDeadLoop ();
}
return Status;
--
2.29.2.windows.2
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