| // Copyright lowRISC contributors. |
| // Licensed under the Apache License, Version 2.0, see LICENSE for details. |
| // SPDX-License-Identifier: Apache-2.0 |
| |
| class push_pull_agent #( |
| parameter int HostDataWidth = 32, |
| parameter int DeviceDataWidth = HostDataWidth |
| ) extends dv_base_agent #( |
| .CFG_T (push_pull_agent_cfg#(HostDataWidth, DeviceDataWidth)), |
| .DRIVER_T (push_pull_driver#(HostDataWidth, DeviceDataWidth)), |
| .SEQUENCER_T(push_pull_sequencer#(HostDataWidth, DeviceDataWidth)), |
| .MONITOR_T (push_pull_monitor#(HostDataWidth, DeviceDataWidth)), |
| .COV_T (push_pull_agent_cov#(HostDataWidth, DeviceDataWidth)) |
| ); |
| |
| `uvm_component_param_utils(push_pull_agent#(HostDataWidth, DeviceDataWidth)) |
| |
| `uvm_component_new |
| |
| function void build_phase(uvm_phase phase); |
| super.build_phase(phase); |
| |
| // use for reactive device |
| cfg.has_req_fifo = 1; |
| |
| // get push_pull_if handle |
| if (!uvm_config_db#(virtual push_pull_if#(HostDataWidth, DeviceDataWidth))::get( |
| this, "", "vif", cfg.vif)) begin |
| `uvm_fatal(`gfn, "failed to get push_pull_if handle from uvm_config_db") |
| end |
| cfg.vif.if_mode = cfg.if_mode; |
| cfg.vif.is_push_agent = (cfg.agent_type == PushAgent); |
| cfg.vif.in_bidirectional_mode = cfg.in_bidirectional_mode; |
| cfg.vif.is_pull_handshake_4_phase = (cfg.pull_handshake_type == FourPhase); |
| endfunction |
| |
| function void connect_phase(uvm_phase phase); |
| super.connect_phase(phase); |
| if (cfg.if_mode == dv_utils_pkg::Device) begin |
| monitor.req_analysis_port.connect(sequencer.req_analysis_fifo.analysis_export); |
| end |
| endfunction |
| |
| virtual task run_phase(uvm_phase phase); |
| push_pull_device_seq#(HostDataWidth, DeviceDataWidth) m_seq = |
| push_pull_device_seq#(HostDataWidth, DeviceDataWidth)::type_id::create("m_seq", this); |
| if (cfg.if_mode == dv_utils_pkg::Device && cfg.start_default_device_seq) begin |
| uvm_config_db#(uvm_object_wrapper)::set(null, {sequencer.get_full_name(), ".run_phase"}, |
| "default_sequence", m_seq.get_type()); |
| sequencer.start_phase_sequence(phase); |
| end |
| endtask |
| |
| endclass |