[edk2-devel] [PATCH v1] MdePkg/BaseCpuLibNull: Add stub function of StandardSignatureIsAuthenticAMD() in CpuLibNull instance

["Huang, Qing" <qing.huang@intel.com>]

CpuLib.h exposes StandardSignatureIsAuthenticAMD() API and we require stub function in its BaseCpuLibNull library
instance to avoid potential link issue.

Signed-off-by: Qing Huang <qing.huang@intel.com>
---
 MdePkg/Library/BaseCpuLibNull/BaseCpuLibNull.c | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/MdePkg/Library/BaseCpuLibNull/BaseCpuLibNull.c b/MdePkg/Library/BaseCpuLibNull/BaseCpuLibNull.c
index 3ba7a35096..ba7981551d 100644
--- a/MdePkg/Library/BaseCpuLibNull/BaseCpuLibNull.c
+++ b/MdePkg/Library/BaseCpuLibNull/BaseCpuLibNull.c
@@ -1,7 +1,7 @@
 /** @file
   Null instance of CPU Library.
 
-  Copyright (c) 2020, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2020 - 2024, Intel Corporation. All rights reserved.<BR>
   SPDX-License-Identifier: BSD-2-Clause-Patent
 
 **/
@@ -35,3 +35,18 @@ CpuFlushTlb (
   )
 {
 }
+
+/**
+  Determine if the standard CPU signature is "AuthenticAMD".
+
+  @retval TRUE  The CPU signature matches.
+  @retval FALSE The CPU signature does not match.
+**/
+BOOLEAN
+EFIAPI
+StandardSignatureIsAuthenticAMD (
+  VOID
+  )
+{
+  return FALSE;
+}
-- 
2.42.0.windows.2



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