Subversion Repositories openhmc

/*
 *                              .--------------. .----------------. .------------.
 *                             | .------------. | .--------------. | .----------. |
 *                             | | ____  ____ | | | ____    ____ | | |   ______ | |
 *                             | ||_   ||   _|| | ||_   \  /   _|| | | .' ___  || |
 *       ___  _ __   ___ _ __  | |  | |__| |  | | |  |   \/   |  | | |/ .'   \_|| |
 *      / _ \| '_ \ / _ \ '_ \ | |  |  __  |  | | |  | |\  /| |  | | || |       | |
 *       (_) | |_) |  __/ | | || | _| |  | |_ | | | _| |_\/_| |_ | | |\ `.___.'\| |
 *      \___/| .__/ \___|_| |_|| ||____||____|| | ||_____||_____|| | | `._____.'| |
 *           | |               | |            | | |              | | |          | |
 *           |_|               | '------------' | '--------------' | '----------' |
 *                              '--------------' '----------------' '------------'
 *
 *  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 HMC_REQUESTER_AGENT_SV
`define HMC_REQUESTER_AGENT_SV

/* Agent is incomplete and not tested in ACTIVE State */
/* Use at your own risk */

class hmc_requester_agent #(parameter NUM_LANES = 16) extends uvm_agent;

        uvm_active_passive_enum active_passive = UVM_PASSIVE;

        hmc_monitor#(.NUM_LANES(NUM_LANES)) monitor;

        hmc_requester_driver#(.NUM_LANES(NUM_LANES)) driver;
        hmc_requester_sequencer                       sequencer;
        hmc_token_handler                             token_handler;
        hmc_retry_buffer                              retry_buffer;
        virtual interface hmc_sr_if#(.NUM_LANES(NUM_LANES)) vif;

        `uvm_component_param_utils_begin(hmc_requester_agent # (.NUM_LANES(NUM_LANES)))
                `uvm_field_enum(uvm_active_passive_enum, active_passive, UVM_DEFAULT)
        `uvm_component_utils_end

        function new(string name="hmc_requester_agent", uvm_component parent);
                super.new(name,parent);
        endfunction : new

        function void build_phase(uvm_phase phase);
                super.build_phase(phase);

                if(active_passive == UVM_ACTIVE) begin
                        driver        = hmc_requester_driver#(.NUM_LANES(NUM_LANES))::type_id::create("driver", this);
                        sequencer     = hmc_requester_sequencer::type_id::create("sequencer",this);
                        token_handler = hmc_token_handler::type_id::create("token_handler",this);
                        retry_buffer  = hmc_retry_buffer::type_id::create("retry_buffer",this);
                end

                if(uvm_config_db#(virtual interface hmc_sr_if#(.NUM_LANES(NUM_LANES)))::get(this, "", "vif",vif) ) begin
                        this.vif = vif;
                        uvm_config_db#(virtual interface hmc_sr_if#(.NUM_LANES(NUM_LANES)))::set(this, "driver","vif",vif);
                end
        endfunction : build_phase

        function void connect_phase(uvm_phase phase);
                super.connect_phase(phase);

                if(active_passive == UVM_ACTIVE) begin
                        driver.seq_item_port.connect(sequencer.seq_item_export);

                        driver.token_handler = token_handler;
                        driver.retry_buffer  = retry_buffer;

                        driver.remote_status = monitor.status.Responder_link_status;

                        monitor.frp_port.connect(driver.hmc_frp_port);
                        monitor.item_collected_port.connect(sequencer.hmc_req_port);
                        monitor.return_token_port.connect(token_handler.token_imp);
                        monitor.rrp_port.connect(retry_buffer.return_pointer_imp);
                end
        endfunction : connect_phase

endclass : hmc_requester_agent

`endif // HMC_REQUESTER_AGENT_SV