inlineChange.h

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/******************************************************************************
 * Copyright 2022 Kristiyan Manev (University of Manchester)
 *
 * Licensed under the Apache License, Version 2.0(the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *****************************************************************************/
 
inline void ensureSelectedEndianness(Endianness newEndianness){
    ensureInitializedBitstreamArrays();//initialize bitstream arrays before modifications
    Endianness endiannessConvertion = Endian::diff(loadedBitstreamEndianness, newEndianness);
    if(endiannessConvertion == Endianness::NATIVE)// if there is no actual convertion needed
        return;
    int bitstreamSize = bitstreamEnd - bitstreamBegin;
    
    if(endiannessConvertion == Endianness::BE)
        for( int i = 0 ; i < bitstreamSize ; i++)
            bitstreamBegin[i] = Endian::NativeToBigEndian32(bitstreamBegin[i]);
        
    if(endiannessConvertion == Endianness::LE)
        for( int i = 0 ; i < bitstreamSize ; i++)
            bitstreamBegin[i] = Endian::NativeToLittleEndian32(bitstreamBegin[i]);
        
    if(endiannessConvertion == Endianness::BE_BS)
        for( int i = 0 ; i < bitstreamSize ; i++)
            bitstreamBegin[i] = Endian::BitSwap32(Endian::NativeToBigEndian32(bitstreamBegin[i]));
        
    if(endiannessConvertion == Endianness::LE_BS)
        for( int i = 0 ; i < bitstreamSize ; i++)
            bitstreamBegin[i] = Endian::BitSwap32(Endian::NativeToLittleEndian32(bitstreamBegin[i]));
        
    loadedBitstreamEndianness = newEndianness;
}
 
inline void setBitstreamWord(std::string params){
    ensureInitializedBitstreamArrays();//initialize bitstream arrays before modifications
    uint32_t r, y, c, b, m, w, mask, newVal;
    str::parse::multipleUints(params, y, c, b, m, w, mask, newVal);
    mask = Endian::NativeToAnyEndianness32(mask, loadedBitstreamEndianness);
    newVal = Endian::NativeToAnyEndianness32(newVal, loadedBitstreamEndianness);
    r = y / CLB_PER_CLOCK_REGION;
    if(b == BLOCKTYPE_LOGIC){
        bitstreamCLB[r][c][m*WORDS_PER_FRAME + w] = (mask & newVal) | ((mask^0xFFFFFFFF) & bitstreamCLB[r][c][m*WORDS_PER_FRAME + w]);
    } else if(b == BLOCKTYPE_BLOCKRAM){
        bitstreamBRAM[r][numberOfBRAMsBeforeCol[r][c]][m*WORDS_PER_FRAME + w] = (mask & newVal) | ((mask^0xFFFFFFFF) & bitstreamBRAM[r][numberOfBRAMsBeforeCol[r][c]][m*WORDS_PER_FRAME + w]);
    }
    bitstreamHasValidData = true;
}