blob: fdf831489e2bb98f6ee9d0d49b8094c610378bdd [file] [log] [blame]
// Copyright lowRISC contributors.
// Licensed under the Apache License, Version 2.0, see LICENSE for details.
// SPDX-License-Identifier: Apache-2.0
class kmac_app_device_driver extends kmac_app_driver;
`uvm_component_utils(kmac_app_device_driver)
`uvm_component_new
virtual task run_phase(uvm_phase phase);
// base class forks off reset_signals() and get_and_drive() tasks
super.run_phase(phase);
endtask
// reset signals
virtual task reset_signals();
invalidate_signals();
endtask
virtual function void invalidate_signals();
cfg.vif.device_cb.rsp_done <= 0;
cfg.vif.device_cb.rsp_digest_share0 <= 'x;
cfg.vif.device_cb.rsp_digest_share1 <= 'x;
cfg.vif.device_cb.rsp_error <= 'x;
endfunction
// drive trans received from sequencer
virtual task get_and_drive();
forever begin
seq_item_port.get_next_item(req);
$cast(rsp, req.clone());
rsp.set_id_info(req);
`uvm_info(`gfn, $sformatf("rcvd item:\n%0s", req.sprint()), UVM_HIGH)
`DV_SPINWAIT_EXIT(repeat (rsp.rsp_delay) @(cfg.vif.device_cb);,
wait(!cfg.vif.rst_n))
cfg.vif.device_cb.rsp_done <= 1;
cfg.vif.device_cb.rsp_digest_share0 <= rsp.rsp_digest_share0;
cfg.vif.device_cb.rsp_digest_share1 <= rsp.rsp_digest_share1;
cfg.vif.device_cb.rsp_error <= rsp.rsp_error;
`DV_SPINWAIT_EXIT(@(cfg.vif.device_cb);,
wait(!cfg.vif.rst_n))
invalidate_signals();
`uvm_info(`gfn, "item sent", UVM_HIGH)
seq_item_port.item_done(rsp);
end
endtask
endclass