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dd51a993 1/** @file\r
2 SetMem64() implementation.\r
3\r
4 Copyright (c) 2006, Intel Corporation<BR>\r
5 All rights reserved. This program and the accompanying materials\r
6 are licensed and made available under the terms and conditions of the BSD License\r
7 which accompanies this distribution. The full text of the license may be found at\r
8 http://opensource.org/licenses/bsd-license.php\r
9\r
10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
12\r
dd51a993 13 The following BaseMemoryLib instances share the same version of this file:\r
14\r
15 BaseMemoryLib\r
16 BaseMemoryLibMmx\r
17 BaseMemoryLibSse2\r
18 BaseMemoryLibRepStr\r
19 PeiMemoryLib\r
20 DxeMemoryLib\r
21\r
22**/\r
23\r
1ece02b5 24\r
dd51a993 25#include "MemLibInternals.h"\r
26\r
27/**\r
28 Fills a target buffer with a 64-bit value, and returns the target buffer.\r
29\r
30 This function fills Length bytes of Buffer with the 64-bit value specified by\r
31 Value, and returns Buffer. Value is repeated every 64-bits in for Length\r
32 bytes of Buffer.\r
33\r
34 If Length > 0 and Buffer is NULL, then ASSERT().\r
35 If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r
36 If Buffer is not aligned on a 64-bit boundary, then ASSERT().\r
37 If Length is not aligned on a 64-bit boundary, then ASSERT().\r
38\r
39 @param Buffer Pointer to the target buffer to fill.\r
40 @param Length Number of bytes in Buffer to fill.\r
41 @param Value Value with which to fill Length bytes of Buffer.\r
42\r
43 @return Buffer.\r
44\r
45**/\r
46VOID *\r
47EFIAPI\r
48SetMem64 (\r
49 OUT VOID *Buffer,\r
50 IN UINTN Length,\r
51 IN UINT64 Value\r
52 )\r
53{\r
54 if (Length == 0) {\r
55 return Buffer;\r
56 }\r
57\r
58 ASSERT (Buffer != NULL);\r
59 ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN)Buffer));\r
60 ASSERT ((((UINTN)Buffer) & (sizeof (Value) - 1)) == 0);\r
61 ASSERT ((Length & (sizeof (Value) - 1)) == 0);\r
62\r
63 return InternalMemSetMem64 (Buffer, Length / sizeof (Value), Value);\r
64}\r