]>
Commit | Line | Data |
---|---|---|
631f060b | 1 | /** @file\r |
f7753a96 | 2 | SetMem() and SetMemN() implementation.\r |
631f060b | 3 | \r |
2bfb6009 | 4 | The following BaseMemoryLib instances contain the same copy of this file:\r |
631f060b | 5 | \r |
6 | BaseMemoryLib\r | |
7 | BaseMemoryLibMmx\r | |
8 | BaseMemoryLibSse2\r | |
9 | BaseMemoryLibRepStr\r | |
2bfb6009 LG |
10 | BaseMemoryLibOptDxe\r |
11 | BaseMemoryLibOptPei\r | |
631f060b | 12 | PeiMemoryLib\r |
1fef058f | 13 | UefiMemoryLib\r |
631f060b | 14 | \r |
adc29a97 HT |
15 | Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>\r |
16 | This program and the accompanying materials\r | |
eb1c78db | 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 | |
2fc59a00 | 19 | http://opensource.org/licenses/bsd-license.php.\r |
1efcc4ae | 20 | \r |
eb1c78db | 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 | |
631f060b | 23 | \r |
eb1c78db | 24 | **/\r |
631f060b | 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 | |
eb1c78db | 32 | \r |
33 | If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r | |
631f060b | 34 | \r |
2fc59a00 | 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 | |
631f060b | 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 | |
2bfb6009 | 50 | if (Length == 0) {\r |
631f060b | 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 | |
2fc59a00 | 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 | |
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 | |
56385d49 | 88 | } else {\r |
89 | return SetMem32 (Buffer, Length, (UINT32)Value);\r | |
f7753a96 | 90 | }\r |
f7753a96 | 91 | }\r |