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1 | // ------------------------------------------------------------------------------\r | |
2 | //\r | |
3 | // Copyright (c) 2016, Linaro Ltd. All rights reserved.<BR>\r | |
4 | // Copyright (c) 2021, Arm Limited. All rights reserved.<BR>\r | |
5 | //\r | |
6 | // SPDX-License-Identifier: BSD-2-Clause-Patent\r | |
7 | //\r | |
8 | // ------------------------------------------------------------------------------\r | |
9 | \r | |
10 | typedef __SIZE_TYPE__ size_t;\r | |
11 | \r | |
12 | static __attribute__ ((__used__))\r | |
13 | void *\r | |
14 | __memset (\r | |
15 | void *s,\r | |
16 | int c,\r | |
17 | size_t n\r | |
18 | )\r | |
19 | {\r | |
20 | unsigned char *d;\r | |
21 | \r | |
22 | d = s;\r | |
23 | \r | |
24 | while (n-- != 0) {\r | |
25 | *d++ = c;\r | |
26 | }\r | |
27 | \r | |
28 | return s;\r | |
29 | }\r | |
30 | \r | |
31 | //\r | |
32 | // Other modules (such as CryptoPkg/IntrinsicLib) may provide another\r | |
33 | // implementation of memset(), which may conflict with this one if this\r | |
34 | // object was pulled into the link due to the definitions below. So make\r | |
35 | // our memset() 'weak' to let the other implementation take precedence.\r | |
36 | //\r | |
37 | __attribute__ ((__weak__, __alias__ ("__memset")))\r | |
38 | void *\r | |
39 | memset (\r | |
40 | void *dest,\r | |
41 | int c,\r | |
42 | size_t n\r | |
43 | );\r | |
44 | \r | |
45 | #ifdef __arm__\r | |
46 | \r | |
47 | void\r | |
48 | __aeabi_memset (\r | |
49 | void *dest,\r | |
50 | size_t n,\r | |
51 | int c\r | |
52 | )\r | |
53 | {\r | |
54 | __memset (dest, c, n);\r | |
55 | }\r | |
56 | \r | |
57 | __attribute__ ((__alias__ ("__aeabi_memset")))\r | |
58 | void\r | |
59 | __aeabi_memset4 (\r | |
60 | void *dest,\r | |
61 | size_t n,\r | |
62 | int c\r | |
63 | );\r | |
64 | \r | |
65 | __attribute__ ((__alias__ ("__aeabi_memset")))\r | |
66 | void\r | |
67 | __aeabi_memset8 (\r | |
68 | void *dest,\r | |
69 | size_t n,\r | |
70 | int c\r | |
71 | );\r | |
72 | \r | |
73 | void\r | |
74 | __aeabi_memclr (\r | |
75 | void *dest,\r | |
76 | size_t n\r | |
77 | )\r | |
78 | {\r | |
79 | __memset (dest, 0, n);\r | |
80 | }\r | |
81 | \r | |
82 | __attribute__ ((__alias__ ("__aeabi_memclr")))\r | |
83 | void\r | |
84 | __aeabi_memclr4 (\r | |
85 | void *dest,\r | |
86 | size_t n\r | |
87 | );\r | |
88 | \r | |
89 | __attribute__ ((__alias__ ("__aeabi_memclr")))\r | |
90 | void\r | |
91 | __aeabi_memclr8 (\r | |
92 | void *dest,\r | |
93 | size_t n\r | |
94 | );\r | |
95 | \r | |
96 | #endif\r |