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/*
*****************************************************************************
*
* Copyright (c) 2011, 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.
*
* ***************************************************************************
*
*/
#include "SBPLATFORM.h"
#include "cbtypes.h"
VOID
ReadMEM (
IN UINT32 Address,
IN UINT8 OpFlag,
IN VOID* Value
)
{
OpFlag = OpFlag & 0x7f;
switch ( OpFlag ) {
case AccWidthUint8:
*((UINT8*)Value) = *((UINT8*) ((UINTN)Address));
break;
case AccWidthUint16:
//*((UINT16*)Value) = *((UINT16*) ((UINTN)Address)); //gcc break strict-aliasing rules
*((UINT8*)Value) = *((UINT8*) ((UINTN)Address));
*((UINT8*)Value + 1) = *((UINT8*)((UINTN)Address) + 1);
break;
case AccWidthUint32:
*((UINT32*)Value) = *((UINT32*) ((UINTN)Address));
break;
}
}
VOID
WriteMEM (
IN UINT32 Address,
IN UINT8 OpFlag,
IN VOID* Value
)
{
OpFlag = OpFlag & 0x7f;
switch ( OpFlag ) {
case AccWidthUint8 :
*((UINT8*) ((UINTN)Address)) = *((UINT8*)Value);
break;
case AccWidthUint16:
//*((UINT16*) ((UINTN)Address)) = *((UINT16*)Value); //gcc break strict-aliasing rules
*((UINT8*)((UINTN)Address)) = *((UINT8*)Value);
*((UINT8*)((UINTN)Address) + 1) = *((UINT8*)Value + 1);
break;
case AccWidthUint32:
*((UINT32*) ((UINTN)Address)) = *((UINT32*)Value);
break;
}
}
VOID
RWMEM (
IN UINT32 Address,
IN UINT8 OpFlag,
IN UINT32 Mask,
IN UINT32 Data
)
{
UINT32 Result;
ReadMEM (Address, OpFlag, &Result);
Result = (Result & Mask) | Data;
WriteMEM (Address, OpFlag, &Result);
}
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