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1 | /** @file\r | |
2 | SetMem() and SetMemN() implementation.\r | |
3 | \r | |
4 | The following BaseMemoryLib instances contain the same copy of this file:\r | |
5 | \r | |
6 | BaseMemoryLib\r | |
7 | BaseMemoryLibMmx\r | |
8 | BaseMemoryLibSse2\r | |
9 | BaseMemoryLibRepStr\r | |
10 | BaseMemoryLibOptDxe\r | |
11 | BaseMemoryLibOptPei\r | |
12 | PeiMemoryLib\r | |
13 | UefiMemoryLib\r | |
14 | \r | |
15 | Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>\r | |
16 | This program and the accompanying materials\r | |
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 | |
19 | http://opensource.org/licenses/bsd-license.php\r | |
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 | |
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 | |
32 | \r | |
33 | If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r | |
34 | \r | |
35 | @param Buffer Memory to set.\r | |
36 | @param Length Number of bytes to set.\r | |
37 | @param Value Value with which to fill Length bytes of Buffer.\r | |
38 | \r | |
39 | @return Buffer.\r | |
40 | \r | |
41 | **/\r | |
42 | VOID *\r | |
43 | EFIAPI\r | |
44 | SetMem (\r | |
45 | OUT VOID *Buffer,\r | |
46 | IN UINTN Length,\r | |
47 | IN UINT8 Value\r | |
48 | )\r | |
49 | {\r | |
50 | if (Length == 0) {\r | |
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 | |
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 | |
71 | @param Buffer Pointer to the target buffer to fill.\r | |
72 | @param Length Number of bytes in Buffer to fill.\r | |
73 | @param Value Value with which to fill Length bytes of Buffer.\r | |
74 | \r | |
75 | @return Buffer.\r | |
76 | \r | |
77 | **/\r | |
78 | VOID *\r | |
79 | EFIAPI\r | |
80 | SetMemN (\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 | |
88 | } else {\r | |
89 | return SetMem32 (Buffer, Length, (UINT32)Value);\r | |
90 | }\r | |
91 | }\r |