URL
https://opencores.org/ocsvn/sdhc-sc-core/sdhc-sc-core/trunk
Subversion Repositories sdhc-sc-core
[/] [sdhc-sc-core/] [trunk/] [grpWishbone/] [unitWishboneBFM/] [src/] [WbTransaction.sv] - Rev 185
Compare with Previous | Blame | View Log
// 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 <organization> 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 <COPYRIGHT HOLDER> 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.
//
// File : WbTransaction.sv
// Owner : Rainer Kastl
// Description : Transaction on the wishbone bus
// Links :
//
`ifndef WBTRANSACTION_SV
`define WBTRANSACTION_SV
typedef bit[2:0] WbAddr;
typedef bit[31:0] WbData;
class WbTransaction;
typedef enum { Read, Write } kinds;
typedef enum { Classic, Burst, End } types;
rand types Type;
rand kinds Kind;
rand WbAddr Addr;
rand WbData Data;
function void display();
$display(toString());
endfunction
function string toString();
string s;
$swrite(s, "Transaction: %s, %s, %b, %b", Type.name(), Kind.name(), Addr, Data);
return s;
endfunction
constraint NotImplementedYet {
Type == Classic;
};
endclass
class WbTransactionSequence;
rand WbTransaction transactions[];
int size = 0;
constraint Transactions {
transactions.size() == size;
foreach(transactions[i]) {
if (i > 0) {
if (transactions[i].Type == WbTransaction::Burst)
transactions[i].Type == WbTransaction::Burst || WbTransaction::End;
}
}
if (transactions[size - 2].Type == WbTransaction::Burst)
transactions[size - 1].Type == WbTransaction::End;
};
function void display();
foreach(transactions[i])
transactions[i].display();
endfunction
endclass
typedef mailbox #(WbTransaction) WbTransMb;
`endif