From af1a266670d040d2f4083ff309d732d648afba2a Mon Sep 17 00:00:00 2001
From: Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com>
Date: Tue, 10 Oct 2023 14:33:42 +0000
Subject: Add submodule dependency files

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
---
 .../Library/BaseMemoryLibMmx/IsZeroBufferWrapper.c | 48 ++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 roms/edk2/MdePkg/Library/BaseMemoryLibMmx/IsZeroBufferWrapper.c

(limited to 'roms/edk2/MdePkg/Library/BaseMemoryLibMmx/IsZeroBufferWrapper.c')

diff --git a/roms/edk2/MdePkg/Library/BaseMemoryLibMmx/IsZeroBufferWrapper.c b/roms/edk2/MdePkg/Library/BaseMemoryLibMmx/IsZeroBufferWrapper.c
new file mode 100644
index 000000000..10be08107
--- /dev/null
+++ b/roms/edk2/MdePkg/Library/BaseMemoryLibMmx/IsZeroBufferWrapper.c
@@ -0,0 +1,48 @@
+/** @file
+  Implementation of IsZeroBuffer function.
+
+  The following BaseMemoryLib instances contain the same copy of this file:
+
+    BaseMemoryLib
+    BaseMemoryLibMmx
+    BaseMemoryLibSse2
+    BaseMemoryLibRepStr
+    BaseMemoryLibOptDxe
+    BaseMemoryLibOptPei
+    PeiMemoryLib
+    UefiMemoryLib
+
+  Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "MemLibInternals.h"
+
+/**
+  Checks if the contents of a buffer are all zeros.
+
+  This function checks whether the contents of a buffer are all zeros. If the
+  contents are all zeros, return TRUE. Otherwise, return FALSE.
+
+  If Length > 0 and Buffer is NULL, then ASSERT().
+  If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
+
+  @param  Buffer      The pointer to the buffer to be checked.
+  @param  Length      The size of the buffer (in bytes) to be checked.
+
+  @retval TRUE        Contents of the buffer are all zeros.
+  @retval FALSE       Contents of the buffer are not all zeros.
+
+**/
+BOOLEAN
+EFIAPI
+IsZeroBuffer (
+  IN CONST VOID  *Buffer,
+  IN UINTN       Length
+  )
+{
+  ASSERT (!(Buffer == NULL && Length > 0));
+  ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN)Buffer));
+  return InternalMemIsZeroBuffer (Buffer, Length);
+}
-- 
cgit 1.2.3-korg