ShellPkg: AcpiView: TPM2 parser for Arm FF-A

Add support for the ARM FF-A Start Method Specific Parameters to the TPM2
parser

Signed-off-by: Sarah Walker <[email protected]>

Author: sarah-walker-arm

ShellPkg/Library/UefiShellAcpiViewCommandLib/Parsers/Tpm2/Tpm2Parser.c

@@ -56,6 +56,16 @@ STATIC CONST ACPI_PARSER  Tpm2StartMethodArmSmc[] = {
   { L"SMC/HVC Function ID", 4, 8, L"0x%x", NULL, NULL, NULL, NULL },
 };
 
+/**
+  An ACPI_PARSER array describing the Start Method Specific Parameters for Arm FF-A table.
+**/
+STATIC CONST ACPI_PARSER  Tpm2StartMethodArmFFA[] = {
+  { L"Flags",        1, 0, L"0x%x",  NULL, NULL, NULL, NULL },
+  { L"Attributes",   1, 1, L"0x%x",  NULL, NULL, NULL, NULL },
+  { L"Partition ID", 2, 2, L"0x%x",  NULL, NULL, NULL, NULL },
+  { L"Reserved",     8, 4, L"0x%lx", NULL, NULL, NULL, NULL },
+};
+
 /**
   This function parses the ACPI TPM2 table.
   When trace is enabled this function parses the TPM2 table and
@@ -109,6 +119,17 @@ ParseAcpiTpm2 (
         );
       break;
 
+    case EFI_TPM2_ACPI_TABLE_START_METHOD_COMMAND_RESPONSE_BUFFER_INTERFACE_WITH_FFA:
+      ParseAcpi (
+        TRUE,
+        0,
+        "Start Method Specific Parameters for Arm FF-A",
+        Ptr + Offset,
+        AcpiTableLength - Offset,
+        PARSER_PARAMS (Tpm2StartMethodArmFFA)
+        );
+      break;
+
     default:
       Print (
         L"WARNING: Start Method %u not supported\n",