2 Intrinsic Memory Routines Wrapper Implementation for OpenSSL-based
5 Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR>
6 SPDX-License-Identifier: BSD-2-Clause-Patent
11 #include <Library/BaseMemoryLib.h>
12 #include <Library/BaseLib.h>
16 /* OpenSSL will use floating point support, and C compiler produces the _fltused
17 symbol by default. Simply define this symbol here to satisfy the linker. */
20 /* Sets buffers to a specified character */
21 void * memset (void *dest
, int ch
, size_t count
)
24 // NOTE: Here we use one base implementation for memset, instead of the direct
25 // optimized SetMem() wrapper. Because the IntrinsicLib has to be built
26 // without whole program optimization option, and there will be some
27 // potential register usage errors when calling other optimized codes.
31 // Declare the local variables that actually move the data elements as
32 // volatile to prevent the optimizer from replacing this function with
33 // the intrinsic memset()
35 volatile UINT8
*Pointer
;
37 Pointer
= (UINT8
*)dest
;
38 while (count
-- != 0) {
39 *(Pointer
++) = (UINT8
)ch
;
45 /* Compare bytes in two buffers. */
46 int memcmp (const void *buf1
, const void *buf2
, size_t count
)
48 return (int)CompareMem(buf1
, buf2
, count
);
51 int strcmp (const char *s1
, const char *s2
)
53 return (int)AsciiStrCmp(s1
, s2
);