You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
61 lines
1.8 KiB
61 lines
1.8 KiB
4 years ago
|
/** @file
|
||
|
|
Intrinsic Memory Routines Wrapper Implementation for OpenSSL-based
|
||
|
|
Cryptographic Library.
|
||
|
|
|
||
|
|
Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR>
|
||
|
|
This program and the accompanying materials
|
||
|
|
are licensed and made available under the terms and conditions of the BSD License
|
||
|
|
which accompanies this distribution. The full text of the license may be found at
|
||
|
|
http://opensource.org/licenses/bsd-license.php
|
||
|
|
|
||
|
|
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
||
|
|
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
||
|
|
|
||
|
|
**/
|
||
|
|
|
||
|
|
#include <Base.h>
|
||
|
|
#include <Library/BaseMemoryLib.h>
|
||
|
|
#include <Library/BaseLib.h>
|
||
|
|
|
||
|
|
typedef UINTN size_t;
|
||
|
|
|
||
|
|
/* OpenSSL will use floating point support, and C compiler produces the _fltused
|
||
|
|
symbol by default. Simply define this symbol here to satisfy the linker. */
|
||
|
|
int _fltused = 1;
|
||
|
|
|
||
|
|
/* Sets buffers to a specified character */
|
||
|
|
void * memset (void *dest, int ch, size_t count)
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// NOTE: Here we use one base implementation for memset, instead of the direct
|
||
|
|
// optimized SetMem() wrapper. Because the IntrinsicLib has to be built
|
||
|
|
// without whole program optimization option, and there will be some
|
||
|
|
// potential register usage errors when calling other optimized codes.
|
||
|
|
//
|
||
|
|
|
||
|
|
//
|
||
|
|
// Declare the local variables that actually move the data elements as
|
||
|
|
// volatile to prevent the optimizer from replacing this function with
|
||
|
|
// the intrinsic memset()
|
||
|
|
//
|
||
|
|
volatile UINT8 *Pointer;
|
||
|
|
|
||
|
|
Pointer = (UINT8 *)dest;
|
||
|
|
while (count-- != 0) {
|
||
|
|
*(Pointer++) = (UINT8)ch;
|
||
|
|
}
|
||
|
|
|
||
|
|
return dest;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Compare bytes in two buffers. */
|
||
|
|
int memcmp (const void *buf1, const void *buf2, size_t count)
|
||
|
|
{
|
||
|
|
return (int)CompareMem(buf1, buf2, count);
|
||
|
|
}
|
||
|
|
|
||
|
|
int strcmp (const char *s1, const char *s2)
|
||
|
|
{
|
||
|
|
return (int)AsciiStrCmp(s1, s2);
|
||
|
|
}
|