1 /* 2 * Copyright (c) 2011-2014, Intel Corporation 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without modification, 6 * are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, this 9 * list of conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright notice, 12 * this list of conditions and the following disclaimer in the documentation and/or 13 * other materials provided with the distribution. 14 * 15 * 3. Neither the name of the copyright holder nor the names of its contributors 16 * may be used to endorse or promote products derived from this software without 17 * specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 22 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR 23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 26 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 #include "BitwiseAreaConfiguration.h" 31 #include "BitParameter.h" 32 #include "Subsystem.h" 33 34 #define base CAreaConfiguration 35 36 CBitwiseAreaConfiguration::CBitwiseAreaConfiguration(const CConfigurableElement *pConfigurableElement, const CSyncerSet *pSyncerSet) 37 : base(pConfigurableElement, pSyncerSet, static_cast<const CBitParameter*>(pConfigurableElement)->getBelongingBlockSize()), 38 _bBigEndian(pConfigurableElement->getBelongingSubsystem()->isBigEndian()) 39 { 40 } 41 42 // Blackboard copies 43 void CBitwiseAreaConfiguration::copyTo(CParameterBlackboard* pToBlackboard, uint32_t uiOffset) const 44 { 45 // Beware this code works on little endian architectures only! 46 const CBitParameter* pBitParameter = static_cast<const CBitParameter*>(_pConfigurableElement); 47 48 uint64_t uiSrcData = 0; 49 uint64_t uiDstData = 0; 50 51 /// Read/modify/write 52 53 // Read dst blackboard 54 pToBlackboard->readInteger(&uiDstData, pBitParameter->getBelongingBlockSize(), uiOffset, _bBigEndian); 55 56 // Read src blackboard 57 _blackboard.readInteger(&uiSrcData, pBitParameter->getBelongingBlockSize(), 0, _bBigEndian); 58 59 // Convert 60 uiDstData = pBitParameter->merge(uiDstData, uiSrcData); 61 62 // Write dst blackboard 63 pToBlackboard->writeInteger(&uiDstData, pBitParameter->getBelongingBlockSize(), uiOffset, _bBigEndian); 64 } 65 66 void CBitwiseAreaConfiguration::copyFrom(const CParameterBlackboard* pFromBlackboard, uint32_t uiOffset) 67 { 68 // Beware this code works on little endian architectures only! 69 const CBitParameter* pBitParameter = static_cast<const CBitParameter*>(_pConfigurableElement); 70 71 uint64_t uiSrcData = 0; 72 uint64_t uiDstData = 0; 73 74 /// Read/modify/write 75 76 // Read dst blackboard 77 _blackboard.readInteger(&uiDstData, pBitParameter->getBelongingBlockSize(), 0, _bBigEndian); 78 79 // Read src blackboard 80 pFromBlackboard->readInteger(&uiSrcData, pBitParameter->getBelongingBlockSize(), uiOffset, _bBigEndian); 81 82 // Convert 83 uiDstData = pBitParameter->merge(uiDstData, uiSrcData); 84 85 // Write dst blackboard 86 _blackboard.writeInteger(&uiDstData, pBitParameter->getBelongingBlockSize(), 0, _bBigEndian); 87 } 88 89
