1 files changed, 76 insertions, 0 deletions
diff --git a/MdePkg/Library/TraceHubDebugSysTLibNull/TraceHubDebugSysTLibNull.c b/MdePkg/Library/TraceHubDebugSysTLibNull/TraceHubDebugSysTLibNull.c
new file mode 100644
index 0000000000..0bd14d4e24
--- /dev/null
+++ b/MdePkg/Library/TraceHubDebugSysTLibNull/TraceHubDebugSysTLibNull.c
@@ -0,0 +1,76 @@
+/** @file
+Null library of TraceHubDebugSysTLib.
+
+Copyright (c) 2023, Intel Corporation. All rights reserved.<BR>
+
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <Base.h>
+#include <Library/TraceHubDebugSysTLib.h>
+
+/**
+  Write debug string to specified Trace Hub MMIO address.
+
+  @param[in]  SeverityType     Severity type of input message.
+  @param[in]  Buffer           A pointer to the data buffer.
+  @param[in]  NumberOfBytes    The size of data buffer.
+
+  @retval RETURN_SUCCESS      Data was written to Trace Hub.
+  @retval Other               Failed to output Trace Hub message.
+**/
+RETURN_STATUS
+EFIAPI
+TraceHubSysTDebugWrite (
+  IN TRACE_HUB_SEVERITY_TYPE  SeverityType,
+  IN UINT8                    *Buffer,
+  IN UINTN                    NumberOfBytes
+  )
+{
+  return RETURN_UNSUPPORTED;
+}
+
+/**
+  Write catalog status code message to specified Trace Hub MMIO address.
+
+  @param[in]  SeverityType     Severity type of input message.
+  @param[in]  Id               Catalog ID.
+  @param[in]  Guid             Driver Guid.
+
+  @retval RETURN_SUCCESS      Data was written to Trace Hub.
+  @retval Other               Failed to output Trace Hub message.
+**/
+RETURN_STATUS
+EFIAPI
+TraceHubSysTWriteCataLog64StatusCode (
+  IN TRACE_HUB_SEVERITY_TYPE  SeverityType,
+  IN UINT64                   Id,
+  IN GUID                     *Guid
+  )
+{
+  return RETURN_UNSUPPORTED;
+}
+
+/**
+  Write catalog message to specified Trace Hub MMIO address.
+
+  @param[in]  SeverityType   Severity type of input message.
+  @param[in]  Id             Catalog ID.
+  @param[in]  NumberOfParams Number of entries in argument list.
+  @param[in]  ...            Catalog message parameters.
+
+  @retval RETURN_SUCCESS      Data was written to Trace Hub.
+  @retval Other               Failed to output Trace Hub message.
+**/
+RETURN_STATUS
+EFIAPI
+TraceHubSysTWriteCataLog64 (
+  IN TRACE_HUB_SEVERITY_TYPE  SeverityType,
+  IN UINT64                   Id,
+  IN UINTN                    NumberOfParams,
+  ...
+  )
+{
+  return RETURN_UNSUPPORTED;
+}