Subversion Repositories sdhc-sc-core

// SDHC-SC-Core

// Secure Digital High Capacity Self Configuring Core

//

// (C) Copyright 2010, Rainer Kastl

// 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 the  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  BE LIABLE FOR ANY

// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

//

// File        : WbTransactionWriteSingleBlock.sv

// Owner       : Rainer Kastl

// Description :

// Links       :

//

`ifndef WBTRANSACTIONWRITESINGLEBLOCK_SV

`define WBTRANSACTIONWRITESINGLEBLOCK_SV

`include "WbTransaction.sv";

`include "SdWb.sv";

`include "SdCoreTransaction.sv";

class WbTransactionSequenceWriteSingleBlock extends WbTransactionSequence;

        WbData StartAddr;

        WbData EndAddr;

        WbData Data[$];

        function new(WbData StartAddr, WbData EndAddr, DataBlock Datablock);

                size = 1 + 1 + 1 + 512*8/32; // startaddr, endaddr, operation, write data

                transactions = new[size];

                foreach(transactions[i])

                        transactions[i] = new();

                this.StartAddr = StartAddr;

                this.EndAddr = EndAddr;

                for (int i = 0; i < 512/4; i++) begin

                        WbData temp = 0;

                        temp = { >> {Datablock[i*4+3], Datablock[i*4+2], Datablock[i*4+1], Datablock[i*4+0]}};

                        Data.push_back(temp);

                end

        endfunction

        constraint WriteAddrFirst {

                transactions[2].Addr == cOperationAddr;

                transactions[1].Addr == cEndAddrAddr;

                transactions[1].Data == EndAddr;

                transactions[0].Addr == cStartAddrAddr;

                transactions[0].Data == StartAddr;

                foreach(transactions[i]) {

                        transactions[i].Kind == WbTransaction::Write;

                        if (i > 2) {

                                transactions[i].Addr == cWriteDataAddr;

                        }

                        transactions[i].Addr == cOperationAddr -> transactions[i].Data == cOperationWrite;

                }

        };

        function void post_randomize();

                for (int i = 3; i < size; i++) begin

                        transactions[i].Data = Data.pop_front();

                end

        endfunction

endclass

`endif