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