diff options
Diffstat (limited to 'ReferenceCode/Chipset/SystemAgent/MemoryInit/Pei/MrcOemMemory.c')
| -rw-r--r-- | ReferenceCode/Chipset/SystemAgent/MemoryInit/Pei/MrcOemMemory.c | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/ReferenceCode/Chipset/SystemAgent/MemoryInit/Pei/MrcOemMemory.c b/ReferenceCode/Chipset/SystemAgent/MemoryInit/Pei/MrcOemMemory.c new file mode 100644 index 0000000..1d87c42 --- /dev/null +++ b/ReferenceCode/Chipset/SystemAgent/MemoryInit/Pei/MrcOemMemory.c @@ -0,0 +1,198 @@ +/** @file + This file contains the memory manipulation functions. + +@copyright + Copyright (c) 1999 - 2012 Intel Corporation. All rights reserved. + This software and associated documentation (if any) is furnished + under a license and may only be used or copied in accordance + with the terms of the license. Except as permitted by such + license, no part of this software or documentation may be + reproduced, stored in a retrieval system, or transmitted in any + form or by any means without the express written consent of + Intel Corporation. + + This file contains an 'Intel Peripheral Driver' and uniquely + identified as "Intel Reference Module" and is + licensed for Intel CPUs and chipsets under the terms of your + license agreement with Intel or your vendor. This file may + be modified by the user, subject to additional terms of the + license agreement. +**/ + +#ifdef MRC_MINIBIOS_BUILD +#include "MemoryUtils.h" +#else +#include <Tiano.h> +#include <EdkIIGlueDefinitionChangesBase.h> +#include <EdkIIGluePeim.h> +#include <EdkIIGlueBaseMemoryLib.h> +#endif // MRC_MINIBIOS_BUILD +#include "MrcTypes.h" +#include "MrcOemMemory.h" + +/** +@brief + Copy the specified number of memory bytes, a byte at a time, from the + specified source to the specified destination. + + @param[in, out] Dest - Destination pointer. + @param[in] Src - Source pointer. + @param[in] NumBytes - The number of bytes to copy. + + @retval Nothing. +**/ +void +MrcOemMemoryCpy ( + IN OUT U8 *Dest, + IN U8 *Src, + IN U32 NumBytes + ) +{ + CopyMem (Dest, Src, NumBytes); + return; +} + +/** +@brief + Sets the specified number of memory bytes, a byte at a time, at the + specified destination. + + @param[in, out] Dest - Destination pointer. + @param[in] Value - The value to set. + @param[in] NumBytes - The number of bytes to set. + + @retval Nothing. +**/ +void +MrcOemMemorySet ( + IN OUT U8 *Dest, + IN U32 Value, + IN U32 NumBytes + ) +{ + SetMem ((U8 *) Dest, NumBytes, (U8) Value); + return; +} + +/** +@brief + Sets the specified number of memory dwords, a dword at a time, at the + specified destination. + + @param[in, out] Dest - Destination pointer. + @param[in] Value - The value to set. + @param[in] NumWords - The number of dwords to set. + + @retval Nothing. +**/ +void +MrcOemMemorySetWord ( + IN OUT U16 *Dest, + IN const U16 Value, + IN U32 NumWords + ) +{ + while (0 != NumWords--) { + *Dest++ = Value; + } + + return; +} + +/** +@brief + Sets the specified number of memory dwords, a dword at a time, at the + specified destination. + + @param[in, out] Dest - Destination pointer. + @param[in] Value - The value to set. + @param[in] NumDwords - The number of dwords to set. + + @retval Nothing. +**/ +void +MrcOemMemorySetDword ( + IN OUT U32 *Dest, + IN const U32 Value, + IN U32 NumDwords + ) +{ + while (0 != NumDwords--) { + *Dest++ = Value; + } + + return; +} + +/** +@brief + Shift the specified data value left by the specified count. + + @param[in] Data - 64 bit number to shift left. + @param[in] Count - Number of bits to shift (0..63) + + @retval The number of bits shifted left. +**/ +U64 +MrcOemMemoryLeftShiftU64 ( + IN const U64 Data, + IN const U8 Count + ) +{ + return LShiftU64 (Data, Count); +} + +/** +@brief + Shift the specified data value Right by the specified count.. + + @param[in] Data - U64 number to shift + @param[in] Count - number of bits to shift (0..63) + + @retval Returns the shifted U64 value. +**/ +U64 +MrcOemMemoryRightShiftU64 ( + IN const U64 Data, + IN const U8 Count + ) +{ + return RShiftU64 (Data, Count); +} + +/** +@brief + this function Multiply U64 with a U32 number. Result is <= 64 bits + need to be port for OEM platform requirements. + + @param[in] Multiplicand - U64 number to be multiplied with + @param[in] Multiplier - U32 number to multiply + + @retval N/A +**/ +U64 +MrcOemMemoryMultiplyU64ByU32 ( + IN const U64 Multiplicand, + IN const U32 Multiplier + ) +{ + return MultU64x32 (Multiplicand, Multiplier); +} + +/** +@brief + Divide U64 with a U64 number. Result is <= 32 bits + + @param[in] Dividend - U64 number to be multiplied with + @param[in] Divisor - U32 number to multiply + + @retval Returns the quotient result of U32 value. +**/ +U64 +MrcOemMemoryDivideU64ByU64 ( + IN const U64 Dividend, + IN const U64 Divisor + ) +{ + return (DivU64x64Remainder (Dividend, Divisor, NULL)); +} |