1 /*
2 * Copyright (c) 2020, Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included
12 * in all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 */
22 //!
23 //! \file cm_mem_os.cpp
24 //! \brief Contains CM memory function implementations
25 //!
26
27 #include "cm_mem.h"
28 #include "cm_mem_os.h"
29 #include "cm_mem_os_c_impl.h"
30 #include "cm_mem_os_sse4_impl.h"
31
32 typedef void(*t_CmFastMemCopyFromWC)( void* dst, const void* src, const size_t bytes );
33
34 #define CM_FAST_MEM_COPY_CPU_INIT_C(func) (func ## _C)
35 #define CM_FAST_MEM_COPY_CPU_INIT_SSE4(func) (func ## _SSE4)
36 #define CM_FAST_MEM_COPY_CPU_INIT(func) (is_SSE4_available ? CM_FAST_MEM_COPY_CPU_INIT_SSE4(func) : CM_FAST_MEM_COPY_CPU_INIT_C(func))
37
CmFastMemCopyFromWC(void * dst,const void * src,const size_t bytes,CPU_INSTRUCTION_LEVEL cpuInstructionLevel)38 void CmFastMemCopyFromWC( void* dst, const void* src, const size_t bytes, CPU_INSTRUCTION_LEVEL cpuInstructionLevel )
39 {
40 static const bool is_SSE4_available = (cpuInstructionLevel >= CPU_INSTRUCTION_LEVEL_SSE4_1);
41 static const t_CmFastMemCopyFromWC CmFastMemCopyFromWC_impl = CM_FAST_MEM_COPY_CPU_INIT(CmFastMemCopyFromWC);
42
43 CmFastMemCopyFromWC_impl(dst, src, bytes);
44 }
45