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c5ecf6c1 1/** @file\r
f7753a96 2 SetMem() and SetMemN() implementation.\r
c5ecf6c1 3\r
2bfb6009 4 The following BaseMemoryLib instances contain the same copy of this file:\r
eb1c78db 5\r
c5ecf6c1 6 BaseMemoryLib\r
7 BaseMemoryLibMmx\r
8 BaseMemoryLibSse2\r
9 BaseMemoryLibRepStr\r
2bfb6009
LG
10 BaseMemoryLibOptDxe\r
11 BaseMemoryLibOptPei\r
c5ecf6c1 12 PeiMemoryLib\r
1fef058f 13 UefiMemoryLib\r
c5ecf6c1 14\r
9095d37b 15 Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
085c3968 16 This program and the accompanying materials\r
d531bfee 17 are licensed and made available under the terms and conditions of the BSD License\r
18 which accompanies this distribution. The full text of the license may be found at\r
15c952e7 19 http://opensource.org/licenses/bsd-license.php.\r
d531bfee 20\r
21 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
22 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
23\r
c5ecf6c1 24**/\r
25\r
26#include "MemLibInternals.h"\r
27\r
28/**\r
29 Fills a target buffer with a byte value, and returns the target buffer.\r
30\r
31 This function fills Length bytes of Buffer with Value, and returns Buffer.\r
9095d37b 32\r
eb1c78db 33 If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r
c5ecf6c1 34\r
15c952e7 35 @param Buffer The memory to set.\r
36 @param Length The number of bytes to set.\r
37 @param Value The value with which to fill Length bytes of Buffer.\r
c5ecf6c1 38\r
39 @return Buffer.\r
40\r
41**/\r
42VOID *\r
43EFIAPI\r
44SetMem (\r
45 OUT VOID *Buffer,\r
46 IN UINTN Length,\r
47 IN UINT8 Value\r
48 )\r
49{\r
2bfb6009 50 if (Length == 0) {\r
c5ecf6c1 51 return Buffer;\r
52 }\r
53\r
54 ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN)Buffer));\r
55\r
56 return InternalMemSetMem (Buffer, Length, Value);\r
57}\r
f7753a96 58\r
59/**\r
60 Fills a target buffer with a value that is size UINTN, and returns the target buffer.\r
61\r
62 This function fills Length bytes of Buffer with the UINTN sized value specified by\r
63 Value, and returns Buffer. Value is repeated every sizeof(UINTN) bytes for Length\r
64 bytes of Buffer.\r
65\r
66 If Length > 0 and Buffer is NULL, then ASSERT().\r
67 If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r
68 If Buffer is not aligned on a UINTN boundary, then ASSERT().\r
69 If Length is not aligned on a UINTN boundary, then ASSERT().\r
70\r
15c952e7 71 @param Buffer The pointer to the target buffer to fill.\r
72 @param Length The number of bytes in Buffer to fill.\r
73 @param Value The value with which to fill Length bytes of Buffer.\r
f7753a96 74\r
75 @return Buffer.\r
76\r
77**/\r
78VOID *\r
79EFIAPI\r
80SetMemN (\r
81 OUT VOID *Buffer,\r
82 IN UINTN Length,\r
83 IN UINTN Value\r
84 )\r
85{\r
86 if (sizeof (UINTN) == sizeof (UINT64)) {\r
87 return SetMem64 (Buffer, Length, (UINT64)Value);\r
56385d49 88 } else {\r
89 return SetMem32 (Buffer, Length, (UINT32)Value);\r
f7753a96 90 }\r
f7753a96 91}\r