X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=SecurityPkg%2FTcg%2FTcg2Smm%2FTpm.asl;h=2083a3e2cebb8a62265d52ee510ef4872050c61b;hp=9ff74f76e3150d3152d62a1f109b6a76076691b0;hb=c0584d0bdd4463551db8f8c62a5e2936ec97b407;hpb=cd64301398876d0b3700f882b3eea12657510a70

diff --git a/SecurityPkg/Tcg/Tcg2Smm/Tpm.asl b/SecurityPkg/Tcg/Tcg2Smm/Tpm.asl
index 9ff74f76e3..2083a3e2ce 100644
--- a/SecurityPkg/Tcg/Tcg2Smm/Tpm.asl
+++ b/SecurityPkg/Tcg/Tcg2Smm/Tpm.asl
@@ -79,7 +79,8 @@ DefinitionBlock (
         MCIN,   8,  //   Software SMI for Memory Clear Interface
         MCIP,   32, //   Used for save the Mor paramter
         MORD,   32, //   Memory Overwrite Request Data
-        MRET,   32  //   Memory Overwrite function return code
+        MRET,   32, //   Memory Overwrite function return code
+        UCRQ,   32  //   Phyical Presence request operation to Get User Confirmation Status 
       }
 
       Method (PTS, 1, Serialized)
@@ -197,6 +198,7 @@ DefinitionBlock (
             //
                   
             Store (DerefOf (Index (Arg2, 0x00)), PPRQ)
+            Store (0, PPRM)
             Store (0x02, PPIP)
               
             //
@@ -274,7 +276,7 @@ DefinitionBlock (
             // e) Get User Confirmation Status for Operation
             //
             Store (8, PPIP)
-            Store (DerefOf (Index (Arg2, 0x00)), PPRQ)
+            Store (DerefOf (Index (Arg2, 0x00)), UCRQ)
                   
             //
             // Triggle the SMI interrupt