X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=MdeModulePkg%2FUniversal%2FRegularExpressionDxe%2FOnigurumaIntrinsics.c;fp=MdeModulePkg%2FUniversal%2FRegularExpressionDxe%2FOnigurumaIntrinsics.c;h=536c7e0f1b26c906ee74d29a3ae7421513db34ab;hp=0000000000000000000000000000000000000000;hb=48b6c60cc6a234d971d7ca97f7cd0ca9a9499de5;hpb=a5d8a399635d86c8155a252874fbf3c0e6613d34
diff --git a/MdeModulePkg/Universal/RegularExpressionDxe/OnigurumaIntrinsics.c b/MdeModulePkg/Universal/RegularExpressionDxe/OnigurumaIntrinsics.c
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+++ b/MdeModulePkg/Universal/RegularExpressionDxe/OnigurumaIntrinsics.c
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+/** @file
+
+ Provide intrinsics within Oniguruma
+
+ (C) Copyright 2015 Hewlett Packard Enterprise Development LP
+ Copyright (c) 2020, Intel Corporation. All rights reserved.
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#include
+
+//
+// From CryptoPkg/IntrinsicLib
+//
+
+/* Copies bytes between buffers */
+#pragma function(memcpy)
+void * memcpy (void *dest, const void *src, unsigned int count)
+{
+ return CopyMem (dest, src, (UINTN)count);
+}
+
+/* Sets buffers to a specified character */
+#pragma function(memset)
+void * memset (void *dest, char ch, unsigned int count)
+{
+ //
+ // NOTE: Here we use one base implementation for memset, instead of the direct
+ // optimized SetMem() wrapper. Because the IntrinsicLib has to be built
+ // without whole program optimization option, and there will be some
+ // potential register usage errors when calling other optimized codes.
+ //
+
+ //
+ // Declare the local variables that actually move the data elements as
+ // volatile to prevent the optimizer from replacing this function with
+ // the intrinsic memset()
+ //
+ volatile UINT8 *Pointer;
+
+ Pointer = (UINT8 *)dest;
+ while (count-- != 0) {
+ *(Pointer++) = ch;
+ }
+
+ return dest;
+}