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Diffstat (limited to 'src/vendorcode/amd/agesa/f15/Lib/helper.c')
-rw-r--r-- | src/vendorcode/amd/agesa/f15/Lib/helper.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f15/Lib/helper.c b/src/vendorcode/amd/agesa/f15/Lib/helper.c new file mode 100644 index 0000000000..8c9e1d4edc --- /dev/null +++ b/src/vendorcode/amd/agesa/f15/Lib/helper.c @@ -0,0 +1,68 @@ +/* + ***************************************************************************** + * + * Copyright (C) 2012 Advanced Micro Devices, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Advanced Micro Devices, Inc. nor the names of + * its contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * *************************************************************************** + * + */ + +// helper.c - these functions are compiled separately because they redefine +// functions invoked directly by the compiler code generator. +// The Microsoft tools do not allow such functions to be compiled +// with the "Enable link-time code generation (/GL)" option. Compile +// this module without /GL to avoid a build failure LNK1237. +// + +#if defined (_MSC_VER) + +#include "Porting.h" + +//--------------------------------------------------------------------------- +void *memcpy (void *dest, const void *src, size_t bytes) + { + // Rep movsb is faster than a byte loop, but still quite slow + // for large operations. However, it is a good choice here because + // this function is intended for use by the compiler only. For + // large copy operations, call LibAmdMemCopy. + __movsb (dest, src, bytes); + return dest; + } + +//--------------------------------------------------------------------------- + +void *memset (void *dest, int value, size_t bytes) + { + // Rep stosb is faster than a byte loop, but still quite slow + // for large operations. However, it is a good choice here because + // this function is intended for use by the compiler only. For + // large fill operations, call LibAmdMemFill. + __stosb (dest, value, bytes); + return dest; + } +//--------------------------------------------------------------------------- + +#endif
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