1 files changed, 58 insertions, 0 deletions
diff --git a/CryptoPkg/Library/BaseCryptLibMbedTls/SysCall/CrtWrapper.c b/CryptoPkg/Library/BaseCryptLibMbedTls/SysCall/CrtWrapper.c
new file mode 100644
index 0000000000..f1d9b9c35c
--- /dev/null
+++ b/CryptoPkg/Library/BaseCryptLibMbedTls/SysCall/CrtWrapper.c
@@ -0,0 +1,58 @@
+/** @file
+  C Run-Time Libraries (CRT) Wrapper Implementation for MbedTLS-based
+  Cryptographic Library.
+
+Copyright (c) 2023, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <Base.h>
+#include <Library/BaseLib.h>
+#include <Library/DebugLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <stdio.h>
+
+/**dummy mbedtls_printf function. **/
+int
+mbedtls_printf (
+  char const  *fmt,
+  ...
+  )
+{
+  ASSERT (FALSE);
+  return 0;
+}
+
+/**dummy mbedtls_vsnprintf function. **/
+int
+mbedtls_vsnprintf (
+  char        *str,
+  size_t      size,
+  const char  *format,
+  ...
+  )
+{
+  ASSERT (FALSE);
+  return 0;
+}
+
+/**strchr function. **/
+char *
+strchr (
+  const char  *str,
+  int         ch
+  )
+{
+  return ScanMem8 (str, AsciiStrSize (str), (char)ch);
+}
+
+/**strcmp function. **/
+int
+strcmp (
+  const char  *s1,
+  const char  *s2
+  )
+{
+  return (int)AsciiStrCmp (s1, s2);
+}