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// SDHC-SC-Core
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// Secure Digital High Capacity Self Configuring Core
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//
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// (C) Copyright 2010, Rainer Kastl
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of the nor the
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// names of its contributors may be used to endorse or promote products
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// derived from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY
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// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// File : SdCoreTransaction.sv
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// Owner : Rainer Kastl
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// Description :
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// Links :
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//
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`ifndef SDCORETRANSACTION_SV
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`define SDCORETRANSACTION_SV
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typedef bit[0:511][7:0] DataBlock;
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class SdCoreTransaction;
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typedef enum { readSingleBlock, readMultipleBlock, writeSingleBlock,
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writeMultipleBlocks, erase, readSdCardStatus } kinds;
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rand kinds kind;
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rand int startAddr;
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rand int endAddr;
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rand DataBlock data[];
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local int maxAddr = 31;
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constraint datablocks {
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if (kind == writeMultipleBlocks) {
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data.size() inside {[0:1000]};
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}
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else if (kind == writeSingleBlock) {
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data.size() == 1;
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}
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else {
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data.size() == 0;
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}
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kind == readSingleBlock ||
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kind == writeSingleBlock;
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startAddr inside {[0:maxAddr]};
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endAddr inside {[0:maxAddr]};
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};
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function SdCoreTransaction copy();
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SdCoreTransaction rhs = new();
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rhs.kind = this.kind;
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rhs.startAddr = this.startAddr;
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rhs.endAddr = this.endAddr;
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rhs.data = new[this.data.size()];
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rhs.data = this.data;
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return rhs;
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endfunction
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function string toString();
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string s;
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$swrite(s, "kind: %p, addresses: %d, %d", kind, startAddr, endAddr);
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return s;
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endfunction
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// compare kind and addresses
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// NOTE: data has to be checked with other objects
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function bit compare(input SdCoreTransaction rhs);
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if (rhs.kind == this.kind && rhs.startAddr == this.startAddr)
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return 1;
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else return 0;
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endfunction
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endclass
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class SdCoreTransactionSequence;
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rand SdCoreTransaction transactions[];
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local const int size = 1000;
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function new();
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transactions = new[size];
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foreach(transactions[i]) transactions[i] = new();
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endfunction
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constraint randlength {
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transactions.size() inside {[100:1000]};
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transactions.size() < size;
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}
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endclass
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typedef mailbox #(SdCoreTransaction) SdCoreTransSeqMb;
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`endif
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