URL
https://opencores.org/ocsvn/openhmc/openhmc/trunk
Subversion Repositories openhmc
[/] [openhmc/] [trunk/] [openHMC/] [sim/] [UVC/] [axi4_stream/] [sv/] [axi4_stream_master_sequence.sv] - Rev 12
Compare with Previous | Blame | View Log
/*
* .--------------. .----------------. .------------.
* | .------------. | .--------------. | .----------. |
* | | ____ ____ | | | ____ ____ | | | ______ | |
* | ||_ || _|| | ||_ \ / _|| | | .' ___ || |
* ___ _ __ ___ _ __ | | | |__| | | | | | \/ | | | |/ .' \_|| |
* / _ \| '_ \ / _ \ '_ \ | | | __ | | | | | |\ /| | | | || | | |
* (_) | |_) | __/ | | || | _| | | |_ | | | _| |_\/_| |_ | | |\ `.___.'\| |
* \___/| .__/ \___|_| |_|| ||____||____|| | ||_____||_____|| | | `._____.'| |
* | | | | | | | | | | | |
* |_| | '------------' | '--------------' | '----------' |
* '--------------' '----------------' '------------'
*
* openHMC - An Open Source Hybrid Memory Cube Controller
* (C) Copyright 2014 Computer Architecture Group - University of Heidelberg
* www.ziti.uni-heidelberg.de
* B6, 26
* 68159 Mannheim
* Germany
*
* Contact: openhmc@ziti.uni-heidelberg.de
* http://ra.ziti.uni-heidelberg.de/openhmc
*
* This source file is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This source file is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this source file. If not, see <http://www.gnu.org/licenses/>.
*
*
*/
`ifndef AXI4_STREAM_MASTER_SEQUENCE_SV
`define AXI4_STREAM_MASTER_SEQUENCE_SV
class axi4_stream_master_sequence extends uvm_sequence;
rand int delay;
rand hmc_packet response;
rand bit error_response;
event item_available;
hmc_packet response_queue[$];
constraint delay_c {
delay dist {0:=4, [0:9]:=8, [10:30]:=2, [31:100]:=1};
}
`uvm_object_utils(axi4_stream_master_sequence)
`uvm_declare_p_sequencer(axi4_stream_master_sequencer)
function new(string name="axi4_stream_master_sequence");
super.new(name);
endfunction : new
task body();
void'(this.randomize());
fork
// Convert requests to responses
forever begin : tranlsate_loop
hmc_packet packet;
p_sequencer.req_mailbox.get(packet);
create_response_packet(packet);
end : tranlsate_loop
//
begin
hmc_packet packet;
forever begin : send_loop
if (response_queue.size() > 0) begin
int time_to_wait;
time_to_wait = response_queue[0].timestamp - $time;
if (time_to_wait <= 0) begin
packet = response_queue.pop_front();
uvm_report_info(get_type_name(), $psprintf("Sending response packet: %s", packet.command.name()), UVM_HIGH);
`uvm_send(packet)
end else begin
#time_to_wait;
end
end
else begin
// Wait for items to get added to the queue
if (response_queue.size() == 0)
@(item_available);
end
end : send_loop
end
join
endtask : body
endclass : axi4_stream_master_sequence
`endif // AXI4_STREAM_MASTER_SEQUENCER_SV