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dd51a993 | 1 | /** @file\r |
f7753a96 | 2 | SetMem() and SetMemN() implementation.\r |
dd51a993 | 3 | \r |
2bfb6009 | 4 | The following BaseMemoryLib instances contain the same copy of this file:\r |
dd51a993 | 5 | \r |
6 | BaseMemoryLib\r | |
7 | BaseMemoryLibMmx\r | |
8 | BaseMemoryLibSse2\r | |
9 | BaseMemoryLibRepStr\r | |
2bfb6009 LG |
10 | BaseMemoryLibOptDxe\r |
11 | BaseMemoryLibOptPei\r | |
dd51a993 | 12 | PeiMemoryLib\r |
1fef058f | 13 | UefiMemoryLib\r |
dd51a993 | 14 | \r |
9095d37b | 15 | Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r |
9344f092 | 16 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
eb1c78db | 17 | \r |
dd51a993 | 18 | **/\r |
19 | \r | |
20 | #include "MemLibInternals.h"\r | |
21 | \r | |
22 | /**\r | |
23 | Fills a target buffer with a byte value, and returns the target buffer.\r | |
24 | \r | |
25 | This function fills Length bytes of Buffer with Value, and returns Buffer.\r | |
9095d37b | 26 | \r |
cc4e0485 | 27 | If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r |
dd51a993 | 28 | \r |
58380e9c | 29 | @param Buffer The memory to set.\r |
2fc59a00 | 30 | @param Length The number of bytes to set.\r |
31 | @param Value The value with which to fill Length bytes of Buffer.\r | |
dd51a993 | 32 | \r |
33 | @return Buffer.\r | |
34 | \r | |
35 | **/\r | |
36 | VOID *\r | |
37 | EFIAPI\r | |
38 | SetMem (\r | |
39 | OUT VOID *Buffer,\r | |
40 | IN UINTN Length,\r | |
41 | IN UINT8 Value\r | |
42 | )\r | |
43 | {\r | |
44 | if (Length == 0) {\r | |
45 | return Buffer;\r | |
46 | }\r | |
47 | \r | |
48 | ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN)Buffer));\r | |
49 | \r | |
50 | return InternalMemSetMem (Buffer, Length, Value);\r | |
51 | }\r | |
f7753a96 | 52 | \r |
53 | /**\r | |
54 | Fills a target buffer with a value that is size UINTN, and returns the target buffer.\r | |
55 | \r | |
56 | This function fills Length bytes of Buffer with the UINTN sized value specified by\r | |
57 | Value, and returns Buffer. Value is repeated every sizeof(UINTN) bytes for Length\r | |
58 | bytes of Buffer.\r | |
59 | \r | |
60 | If Length > 0 and Buffer is NULL, then ASSERT().\r | |
61 | If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r | |
62 | If Buffer is not aligned on a UINTN boundary, then ASSERT().\r | |
63 | If Length is not aligned on a UINTN boundary, then ASSERT().\r | |
64 | \r | |
2fc59a00 | 65 | @param Buffer The pointer to the target buffer to fill.\r |
66 | @param Length The number of bytes in Buffer to fill.\r | |
67 | @param Value The value with which to fill Length bytes of Buffer.\r | |
f7753a96 | 68 | \r |
69 | @return Buffer.\r | |
70 | \r | |
71 | **/\r | |
72 | VOID *\r | |
73 | EFIAPI\r | |
74 | SetMemN (\r | |
75 | OUT VOID *Buffer,\r | |
76 | IN UINTN Length,\r | |
77 | IN UINTN Value\r | |
78 | )\r | |
79 | {\r | |
80 | if (sizeof (UINTN) == sizeof (UINT64)) {\r | |
81 | return SetMem64 (Buffer, Length, (UINT64)Value);\r | |
56385d49 | 82 | } else {\r |
83 | return SetMem32 (Buffer, Length, (UINT32)Value);\r | |
f7753a96 | 84 | }\r |
f7753a96 | 85 | }\r |