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1 | /** @file\r |
2 | SetMem32() 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 |
13 | Module Name: SetMem32Wrapper.c\r |
14 | \r |
15 | The following BaseMemoryLib instances share the same version of this file:\r |
16 | \r |
17 | BaseMemoryLib\r |
18 | BaseMemoryLibMmx\r |
19 | BaseMemoryLibSse2\r |
20 | BaseMemoryLibRepStr\r |
21 | PeiMemoryLib\r |
22 | DxeMemoryLib\r |
23 | \r |
24 | **/\r |
25 | \r |
26 | //\r |
27 | // Include common header file for this module.\r |
28 | //\r |
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29 | \r |
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30 | \r |
31 | #include "MemLibInternals.h"\r |
32 | \r |
33 | /**\r |
34 | Fills a target buffer with a 32-bit value, and returns the target buffer.\r |
35 | \r |
36 | This function fills Length bytes of Buffer with the 32-bit value specified by\r |
37 | Value, and returns Buffer. Value is repeated every 32-bits in for Length\r |
38 | bytes of Buffer.\r |
39 | \r |
40 | If Length > 0 and Buffer is NULL, then ASSERT().\r |
41 | If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r |
42 | If Buffer is not aligned on a 32-bit boundary, then ASSERT().\r |
43 | If Length is not aligned on a 32-bit boundary, then ASSERT().\r |
44 | \r |
45 | @param Buffer Pointer to the target buffer to fill.\r |
46 | @param Length Number of bytes in Buffer to fill.\r |
47 | @param Value Value with which to fill Length bytes of Buffer.\r |
48 | \r |
49 | @return Buffer.\r |
50 | \r |
51 | **/\r |
52 | VOID *\r |
53 | EFIAPI\r |
54 | SetMem32 (\r |
55 | OUT VOID *Buffer,\r |
56 | IN UINTN Length,\r |
57 | IN UINT32 Value\r |
58 | )\r |
59 | {\r |
60 | if (Length == 0) {\r |
61 | return Buffer;\r |
62 | }\r |
63 | \r |
64 | ASSERT (Buffer != NULL);\r |
65 | ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN)Buffer));\r |
66 | ASSERT ((((UINTN)Buffer) & (sizeof (Value) - 1)) == 0);\r |
67 | ASSERT ((Length & (sizeof (Value) - 1)) == 0);\r |
68 | \r |
69 | return InternalMemSetMem32 (Buffer, Length / sizeof (Value), Value);\r |
70 | }\r |