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qaztronic |
//////////////////////////////////////////////////////////////////////
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//// ////
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//// Copyright (C) 2015 Authors and OPENCORES.ORG ////
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//// ////
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//// This source file may be used and distributed without ////
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//// restriction provided that this copyright statement is not ////
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//// removed from the file and that any derivative work contains ////
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//// the original copyright notice and the associated disclaimer. ////
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//// ////
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//// This source file is free software; you can redistribute it ////
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//// and/or modify it under the terms of the GNU Lesser General ////
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//// Public License as published by the Free Software Foundation; ////
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//// either version 2.1 of the License, or (at your option) any ////
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//// later version. ////
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//// ////
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//// This source is distributed in the hope that it will be ////
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//// useful, but WITHOUT ANY WARRANTY; without even the implied ////
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//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR ////
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//// PURPOSE. See the GNU Lesser General Public License for more ////
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//// details. ////
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//// ////
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//// You should have received a copy of the GNU Lesser General ////
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//// Public License along with this source; if not, download it ////
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//// from http://www.opencores.org/lgpl.shtml ////
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//// ////
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//////////////////////////////////////////////////////////////////////
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// --------------------------------------------------------------------
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//
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package axi4_models_pkg;
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// --------------------------------------------------------------------
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//
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virtual class axi4_channel_if_class #(A, N, I);
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virtual axi4_if #(A, N, I) axi4_bus;
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event valid;
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// --------------------------------------------------------------------
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//
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pure virtual function void set_master_default;
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pure virtual function void set_slave_default;
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pure virtual function void copy(axi4_channel_if_class #(A, N, I) from);
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pure virtual function void copy_if;
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pure virtual function void drive_if;
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pure virtual function void set_ready(bit value);
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pure virtual function bit is_valid;
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pure virtual function void set_valid(bit value);
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pure virtual function bit is_ready;
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pure virtual function bit is_transfer;
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//--------------------------------------------------------------------
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function new(virtual axi4_if #(A, N, I) axi4_bus);
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this.axi4_bus = axi4_bus;
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endfunction: new
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// --------------------------------------------------------------------
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//
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endclass: axi4_channel_if_class
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// --------------------------------------------------------------------
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//
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class axi4_channel_sink_q_class #(A, N, I, type T = logic);
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virtual axi4_if #(A, N, I) axi4_bus;
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T c_if_h;
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int q_size;
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mailbox #(T) q;
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// --------------------------------------------------------------------
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//
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function automatic void run_q;
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int result;
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c_if_h.set_ready(1'b1);
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fork
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forever
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@(axi4_bus.cb_s)
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begin
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if(c_if_h.is_transfer)
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begin
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result = q.try_put(c_if_h);
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if(result == 0)
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$error;
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c_if_h.copy_if();
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c_if_h = new(axi4_bus);
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end
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if(q.num >= q_size)
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c_if_h.set_ready(1'b0);
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else
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c_if_h.set_ready(1'b1);
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end
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join_none
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endfunction: run_q
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//--------------------------------------------------------------------
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function new( virtual axi4_if #(A, N, I) axi4_bus, int q_size);
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this.axi4_bus = axi4_bus;
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this.q_size = q_size;
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this.q = new(q_size);
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this.c_if_h = new(axi4_bus);
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endfunction: new
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// --------------------------------------------------------------------
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//
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endclass: axi4_channel_sink_q_class
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// --------------------------------------------------------------------
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//
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class axi4_channel_source_q_class #(A, N, I, type T = logic);
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virtual axi4_if #(A, N, I) axi4_bus;
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T c_if_h;
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int q_size;
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mailbox #(T) q;
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// --------------------------------------------------------------------
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//
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function automatic void run_q;
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int result;
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c_if_h.set_valid(1'b0);
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fork
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forever
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@(axi4_bus.cb_s)
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begin
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if(c_if_h.is_transfer)
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begin
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result = q.try_get(c_if_h);
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if(result == 0)
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$stop;
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end
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result = q.try_peek(c_if_h);
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if(result == 0)
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c_if_h.set_valid(1'b0);
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else
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begin
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c_if_h.set_valid(1'b1);
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c_if_h.drive_if();
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end
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end
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join_none
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endfunction: run_q
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//--------------------------------------------------------------------
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function new(virtual axi4_if #(A, N, I) axi4_bus, int q_size);
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this.axi4_bus = axi4_bus;
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this.q_size = q_size;
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this.q = new(q_size);
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this.c_if_h = new(axi4_bus);
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endfunction: new
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// --------------------------------------------------------------------
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//
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endclass: axi4_channel_source_q_class
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// --------------------------------------------------------------------
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//
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class axi4_aw_if_class #(A, N, I)
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extends axi4_channel_if_class #(A, N, I);
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logic [(A-1):0] awaddr;
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logic [1:0] awburst;
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logic [(I-1):0] awid;
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logic [7:0] awlen;
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logic [2:0] awsize;
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logic [3:0] awcache;
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logic awlock;
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logic [2:0] awprot;
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logic [3:0] awqos;
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logic [3:0] awregion;
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// --------------------------------------------------------------------
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//
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function void set_master_default;
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axi4_bus.cb_m.awvalid <= 0;
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endfunction: set_master_default
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// --------------------------------------------------------------------
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//
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function void set_slave_default;
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axi4_bus.cb_s.awready <= 0;
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endfunction: set_slave_default
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// --------------------------------------------------------------------
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//
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function void copy(axi4_channel_if_class #(A, N, I) from);
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axi4_aw_if_class #(A, N, I) child;
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$cast(child, from);
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awaddr = child.awaddr;
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awburst = child.awburst;
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awid = child.awid;
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awlen = child.awlen;
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awsize = child.awsize;
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awcache = child.awcache;
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awlock = child.awlock;
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awprot = child.awprot;
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awqos = child.awqos;
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awregion = child.awregion;
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endfunction: copy
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// --------------------------------------------------------------------
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//
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function void copy_if;
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awaddr = axi4_bus.cb_s.awaddr;
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awburst = axi4_bus.cb_s.awburst;
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awid = axi4_bus.cb_s.awid;
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awlen = axi4_bus.cb_s.awlen;
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awsize = axi4_bus.cb_s.awsize;
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awcache = axi4_bus.cb_s.awcache;
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awlock = axi4_bus.cb_s.awlock;
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awprot = axi4_bus.cb_s.awprot;
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awqos = axi4_bus.cb_s.awqos;
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awregion = axi4_bus.cb_s.awregion;
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endfunction: copy_if
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// --------------------------------------------------------------------
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//
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function void drive_if;
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axi4_bus.cb_m.awaddr <= awaddr;
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axi4_bus.cb_m.awburst <= awburst;
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axi4_bus.cb_m.awid <= awid;
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axi4_bus.cb_m.awlen <= awlen;
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axi4_bus.cb_m.awsize <= awsize;
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axi4_bus.cb_m.awcache <= awcache;
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axi4_bus.cb_m.awlock <= awlock;
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axi4_bus.cb_m.awprot <= awprot;
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axi4_bus.cb_m.awqos <= awqos;
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axi4_bus.cb_m.awregion <= awregion;
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endfunction: drive_if
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// --------------------------------------------------------------------
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//
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function void set_ready(bit value);
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axi4_bus.cb_s.awready <= value;
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endfunction: set_ready
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// --------------------------------------------------------------------
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//
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function bit is_valid;
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return(axi4_bus.cb_s.awvalid);
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endfunction: is_valid
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// --------------------------------------------------------------------
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//
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function void set_valid(bit value);
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axi4_bus.cb_m.awvalid <= value;
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endfunction: set_valid
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// --------------------------------------------------------------------
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//
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function bit is_ready;
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return(axi4_bus.cb_m.awready);
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endfunction: is_ready
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// --------------------------------------------------------------------
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//
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function bit is_transfer;
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return(axi4_bus.cb_m.awready & axi4_bus.cb_s.awvalid);
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endfunction: is_transfer
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//--------------------------------------------------------------------
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function new(virtual axi4_if #(A, N, I) axi4_bus);
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super.new(axi4_bus);
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endfunction: new
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// --------------------------------------------------------------------
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//
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endclass: axi4_aw_if_class
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// --------------------------------------------------------------------
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//
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class axi4_ar_if_class #(A, N, I)
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extends axi4_channel_if_class #(A, N, I);
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logic [(A-1):0] araddr;
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logic [1:0] arburst;
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logic [(I-1):0] arid;
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logic [7:0] arlen;
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logic [2:0] arsize;
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logic [3:0] arcache;
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logic arlock;
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logic [2:0] arprot;
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logic [3:0] arqos;
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logic [3:0] arregion;
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// --------------------------------------------------------------------
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//
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virtual function void set_master_default;
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axi4_bus.cb_m.arvalid <= 0;
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endfunction: set_master_default
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// --------------------------------------------------------------------
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//
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virtual function void set_slave_default;
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axi4_bus.cb_s.arready <= 0;
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endfunction: set_slave_default
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// --------------------------------------------------------------------
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//
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virtual function void copy(axi4_channel_if_class #(A, N, I) from);
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axi4_ar_if_class #(A, N, I) child;
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$cast(child, from);
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araddr = child.araddr;
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arburst = child.arburst;
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arid = child.arid;
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arlen = child.arlen;
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arsize = child.arsize;
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arcache = child.arcache;
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arlock = child.arlock;
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arprot = child.arprot;
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arqos = child.arqos;
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arregion = child.arregion;
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endfunction: copy
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// --------------------------------------------------------------------
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//
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virtual function void copy_if;
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araddr = axi4_bus.cb_s.araddr;
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arburst = axi4_bus.cb_s.arburst;
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arid = axi4_bus.cb_s.arid;
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arlen = axi4_bus.cb_s.arlen;
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arsize = axi4_bus.cb_s.arsize;
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arcache = axi4_bus.cb_s.arcache;
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arlock = axi4_bus.cb_s.arlock;
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arprot = axi4_bus.cb_s.arprot;
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arqos = axi4_bus.cb_s.arqos;
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arregion = axi4_bus.cb_s.arregion;
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endfunction: copy_if
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// --------------------------------------------------------------------
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//
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virtual function void drive_if;
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axi4_bus.cb_m.araddr <= araddr;
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axi4_bus.cb_m.arburst <= arburst;
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axi4_bus.cb_m.arid <= arid;
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axi4_bus.cb_m.arlen <= arlen;
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axi4_bus.cb_m.arsize <= arsize;
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axi4_bus.cb_m.arcache <= arcache;
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axi4_bus.cb_m.arlock <= arlock;
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axi4_bus.cb_m.arprot <= arprot;
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axi4_bus.cb_m.arqos <= arqos;
|
376 |
|
|
axi4_bus.cb_m.arregion <= arregion;
|
377 |
|
|
endfunction: drive_if
|
378 |
|
|
|
379 |
|
|
|
380 |
|
|
// --------------------------------------------------------------------
|
381 |
|
|
//
|
382 |
|
|
virtual function void set_ready(bit value);
|
383 |
|
|
axi4_bus.cb_s.arready <= value;
|
384 |
|
|
endfunction: set_ready
|
385 |
|
|
|
386 |
|
|
|
387 |
|
|
// --------------------------------------------------------------------
|
388 |
|
|
//
|
389 |
|
|
virtual function bit is_valid;
|
390 |
|
|
return(axi4_bus.cb_s.arvalid);
|
391 |
|
|
endfunction: is_valid
|
392 |
|
|
|
393 |
|
|
|
394 |
|
|
// --------------------------------------------------------------------
|
395 |
|
|
//
|
396 |
|
|
function void set_valid(bit value);
|
397 |
|
|
axi4_bus.cb_m.arvalid <= value;
|
398 |
|
|
endfunction: set_valid
|
399 |
|
|
|
400 |
|
|
|
401 |
|
|
// --------------------------------------------------------------------
|
402 |
|
|
//
|
403 |
|
|
function bit is_ready;
|
404 |
|
|
return(axi4_bus.cb_m.arready);
|
405 |
|
|
endfunction: is_ready
|
406 |
|
|
|
407 |
|
|
|
408 |
|
|
// --------------------------------------------------------------------
|
409 |
|
|
//
|
410 |
|
|
function bit is_transfer;
|
411 |
|
|
return(axi4_bus.cb_m.arready & axi4_bus.cb_s.arvalid);
|
412 |
|
|
endfunction: is_transfer
|
413 |
|
|
|
414 |
|
|
|
415 |
|
|
//--------------------------------------------------------------------
|
416 |
|
|
function new(virtual axi4_if #(A, N, I) axi4_bus);
|
417 |
|
|
super.new(axi4_bus);
|
418 |
|
|
endfunction: new
|
419 |
|
|
|
420 |
|
|
|
421 |
|
|
// --------------------------------------------------------------------
|
422 |
|
|
//
|
423 |
|
|
endclass: axi4_ar_if_class
|
424 |
|
|
|
425 |
|
|
|
426 |
|
|
// --------------------------------------------------------------------
|
427 |
|
|
//
|
428 |
|
|
class axi4_w_if_class #(A, N, I)
|
429 |
|
|
extends axi4_channel_if_class #(A, N, I);
|
430 |
|
|
|
431 |
|
|
logic [(8*N)-1:0] wdata;
|
432 |
|
|
logic [(I-1):0] wid;
|
433 |
|
|
logic wlast;
|
434 |
|
|
logic [N-1:0] wstrb;
|
435 |
|
|
|
436 |
|
|
|
437 |
|
|
// --------------------------------------------------------------------
|
438 |
|
|
//
|
439 |
|
|
function void set_master_default;
|
440 |
|
|
axi4_bus.cb_m.wvalid <= 0;
|
441 |
|
|
endfunction: set_master_default
|
442 |
|
|
|
443 |
|
|
|
444 |
|
|
// --------------------------------------------------------------------
|
445 |
|
|
//
|
446 |
|
|
function void set_slave_default;
|
447 |
|
|
axi4_bus.cb_s.wready <= 0;
|
448 |
|
|
endfunction: set_slave_default
|
449 |
|
|
|
450 |
|
|
|
451 |
|
|
// --------------------------------------------------------------------
|
452 |
|
|
//
|
453 |
|
|
function void copy(axi4_channel_if_class #(A, N, I) from);
|
454 |
|
|
axi4_w_if_class #(A, N, I) child;
|
455 |
|
|
$cast(child, from);
|
456 |
|
|
wdata = child.wdata;
|
457 |
|
|
wid = child.wid;
|
458 |
|
|
wlast = child.wlast;
|
459 |
|
|
wstrb = child.wstrb;
|
460 |
|
|
endfunction: copy
|
461 |
|
|
|
462 |
|
|
|
463 |
|
|
// --------------------------------------------------------------------
|
464 |
|
|
//
|
465 |
|
|
function void copy_if;
|
466 |
|
|
wdata = axi4_bus.cb_s.wdata;
|
467 |
|
|
wid = axi4_bus.cb_s.wid;
|
468 |
|
|
wlast = axi4_bus.cb_s.wlast;
|
469 |
|
|
wstrb = axi4_bus.cb_s.wstrb;
|
470 |
|
|
endfunction: copy_if
|
471 |
|
|
|
472 |
|
|
|
473 |
|
|
// --------------------------------------------------------------------
|
474 |
|
|
//
|
475 |
|
|
function void drive_if;
|
476 |
|
|
axi4_bus.cb_m.wdata <= wdata;
|
477 |
|
|
axi4_bus.cb_m.wid <= wid;
|
478 |
|
|
axi4_bus.cb_m.wlast <= wlast;
|
479 |
|
|
axi4_bus.cb_m.wstrb <= wstrb;
|
480 |
|
|
endfunction: drive_if
|
481 |
|
|
|
482 |
|
|
|
483 |
|
|
// --------------------------------------------------------------------
|
484 |
|
|
//
|
485 |
|
|
function void set_ready(bit value);
|
486 |
|
|
axi4_bus.cb_s.wready <= value;
|
487 |
|
|
endfunction: set_ready
|
488 |
|
|
|
489 |
|
|
|
490 |
|
|
// --------------------------------------------------------------------
|
491 |
|
|
//
|
492 |
|
|
function bit is_valid;
|
493 |
|
|
return(axi4_bus.cb_s.wvalid);
|
494 |
|
|
endfunction: is_valid
|
495 |
|
|
|
496 |
|
|
|
497 |
|
|
// --------------------------------------------------------------------
|
498 |
|
|
//
|
499 |
|
|
function void set_valid(bit value);
|
500 |
|
|
axi4_bus.cb_m.wvalid <= value;
|
501 |
|
|
endfunction: set_valid
|
502 |
|
|
|
503 |
|
|
|
504 |
|
|
// --------------------------------------------------------------------
|
505 |
|
|
//
|
506 |
|
|
function bit is_ready;
|
507 |
|
|
return(axi4_bus.cb_m.wready);
|
508 |
|
|
endfunction: is_ready
|
509 |
|
|
|
510 |
|
|
|
511 |
|
|
// --------------------------------------------------------------------
|
512 |
|
|
//
|
513 |
|
|
function bit is_transfer;
|
514 |
|
|
return(axi4_bus.cb_m.wready & axi4_bus.cb_s.wvalid);
|
515 |
|
|
endfunction: is_transfer
|
516 |
|
|
|
517 |
|
|
|
518 |
|
|
//--------------------------------------------------------------------
|
519 |
|
|
function new(virtual axi4_if #(A, N, I) axi4_bus);
|
520 |
|
|
super.new(axi4_bus);
|
521 |
|
|
endfunction: new
|
522 |
|
|
|
523 |
|
|
// --------------------------------------------------------------------
|
524 |
|
|
//
|
525 |
|
|
endclass: axi4_w_if_class
|
526 |
|
|
|
527 |
|
|
|
528 |
|
|
// --------------------------------------------------------------------
|
529 |
|
|
//
|
530 |
|
|
class axi4_b_if_class #(A, N, I)
|
531 |
|
|
extends axi4_channel_if_class #(A, N, I);
|
532 |
|
|
|
533 |
|
|
logic [(I-1):0] bid;
|
534 |
|
|
logic [1:0] bresp;
|
535 |
|
|
|
536 |
|
|
|
537 |
|
|
// --------------------------------------------------------------------
|
538 |
|
|
//
|
539 |
|
|
function void set_master_default;
|
540 |
|
|
axi4_bus.cb_m.bready <= 0;
|
541 |
|
|
endfunction: set_master_default
|
542 |
|
|
|
543 |
|
|
|
544 |
|
|
// --------------------------------------------------------------------
|
545 |
|
|
//
|
546 |
|
|
function void set_slave_default;
|
547 |
|
|
axi4_bus.cb_s.bvalid <= 0;
|
548 |
|
|
endfunction: set_slave_default
|
549 |
|
|
|
550 |
|
|
|
551 |
|
|
// --------------------------------------------------------------------
|
552 |
|
|
//
|
553 |
|
|
function void copy(axi4_channel_if_class #(A, N, I) from);
|
554 |
|
|
axi4_b_if_class #(A, N, I) child;
|
555 |
|
|
$cast(child, from);
|
556 |
|
|
bid = child.bid;
|
557 |
|
|
bresp = child.bresp;
|
558 |
|
|
endfunction: copy
|
559 |
|
|
|
560 |
|
|
|
561 |
|
|
// --------------------------------------------------------------------
|
562 |
|
|
//
|
563 |
|
|
function void copy_if;
|
564 |
|
|
bid = axi4_bus.cb_m.bid;
|
565 |
|
|
bresp = axi4_bus.cb_m.bresp;
|
566 |
|
|
endfunction: copy_if
|
567 |
|
|
|
568 |
|
|
|
569 |
|
|
// --------------------------------------------------------------------
|
570 |
|
|
//
|
571 |
|
|
function void drive_if;
|
572 |
|
|
axi4_bus.cb_s.bid <= bid;
|
573 |
|
|
axi4_bus.cb_s.bresp <= bresp;
|
574 |
|
|
endfunction: drive_if
|
575 |
|
|
|
576 |
|
|
|
577 |
|
|
// --------------------------------------------------------------------
|
578 |
|
|
//
|
579 |
|
|
function void set_ready(bit value);
|
580 |
|
|
axi4_bus.cb_m.bready <= value;
|
581 |
|
|
endfunction: set_ready
|
582 |
|
|
|
583 |
|
|
|
584 |
|
|
// --------------------------------------------------------------------
|
585 |
|
|
//
|
586 |
|
|
function bit is_valid;
|
587 |
|
|
return(axi4_bus.cb_m.bvalid);
|
588 |
|
|
endfunction: is_valid
|
589 |
|
|
|
590 |
|
|
|
591 |
|
|
// --------------------------------------------------------------------
|
592 |
|
|
//
|
593 |
|
|
function void set_valid(bit value);
|
594 |
|
|
axi4_bus.cb_s.bvalid <= value;
|
595 |
|
|
endfunction: set_valid
|
596 |
|
|
|
597 |
|
|
|
598 |
|
|
// --------------------------------------------------------------------
|
599 |
|
|
//
|
600 |
|
|
function bit is_ready;
|
601 |
|
|
return(axi4_bus.cb_s.bready);
|
602 |
|
|
endfunction: is_ready
|
603 |
|
|
|
604 |
|
|
|
605 |
|
|
// --------------------------------------------------------------------
|
606 |
|
|
//
|
607 |
|
|
function bit is_transfer;
|
608 |
|
|
return(axi4_bus.cb_s.bready & axi4_bus.cb_m.bvalid);
|
609 |
|
|
endfunction: is_transfer
|
610 |
|
|
|
611 |
|
|
|
612 |
|
|
//--------------------------------------------------------------------
|
613 |
|
|
function new(virtual axi4_if #(A, N, I) axi4_bus);
|
614 |
|
|
super.new(axi4_bus);
|
615 |
|
|
endfunction: new
|
616 |
|
|
|
617 |
|
|
// --------------------------------------------------------------------
|
618 |
|
|
//
|
619 |
|
|
endclass: axi4_b_if_class
|
620 |
|
|
|
621 |
|
|
// --------------------------------------------------------------------
|
622 |
|
|
//
|
623 |
|
|
class axi4_r_if_class #(A, N, I)
|
624 |
|
|
extends axi4_channel_if_class #(A, N, I);
|
625 |
|
|
|
626 |
|
|
logic [(8*N)-1:0] rdata;
|
627 |
|
|
logic [(I-1):0] rid;
|
628 |
|
|
logic rlast;
|
629 |
|
|
logic [1:0] rresp;
|
630 |
|
|
|
631 |
|
|
|
632 |
|
|
// --------------------------------------------------------------------
|
633 |
|
|
//
|
634 |
|
|
function void set_master_default;
|
635 |
|
|
axi4_bus.cb_m.rready <= 0;
|
636 |
|
|
endfunction: set_master_default
|
637 |
|
|
|
638 |
|
|
|
639 |
|
|
// --------------------------------------------------------------------
|
640 |
|
|
//
|
641 |
|
|
function void set_slave_default;
|
642 |
|
|
axi4_bus.cb_s.rvalid <= 0;
|
643 |
|
|
endfunction: set_slave_default
|
644 |
|
|
|
645 |
|
|
|
646 |
|
|
// --------------------------------------------------------------------
|
647 |
|
|
//
|
648 |
|
|
function void copy(axi4_channel_if_class #(A, N, I) from);
|
649 |
|
|
axi4_r_if_class #(A, N, I) child;
|
650 |
|
|
$cast(child, from);
|
651 |
|
|
rdata = child.rdata;
|
652 |
|
|
rid = child.rid;
|
653 |
|
|
rlast = child.rlast;
|
654 |
|
|
rresp = child.rresp;
|
655 |
|
|
endfunction: copy
|
656 |
|
|
|
657 |
|
|
|
658 |
|
|
// --------------------------------------------------------------------
|
659 |
|
|
//
|
660 |
|
|
function void copy_if;
|
661 |
|
|
rdata = axi4_bus.cb_m.rdata;
|
662 |
|
|
rid = axi4_bus.cb_m.rid;
|
663 |
|
|
rlast = axi4_bus.cb_m.rlast;
|
664 |
|
|
rresp = axi4_bus.cb_m.rresp;
|
665 |
|
|
endfunction: copy_if
|
666 |
|
|
|
667 |
|
|
|
668 |
|
|
// --------------------------------------------------------------------
|
669 |
|
|
//
|
670 |
|
|
function void drive_if;
|
671 |
|
|
axi4_bus.cb_s.rdata <= rdata;
|
672 |
|
|
axi4_bus.cb_s.rid <= rid;
|
673 |
|
|
axi4_bus.cb_s.rlast <= rlast;
|
674 |
|
|
axi4_bus.cb_s.rresp <= rresp;
|
675 |
|
|
endfunction: drive_if
|
676 |
|
|
|
677 |
|
|
|
678 |
|
|
// --------------------------------------------------------------------
|
679 |
|
|
//
|
680 |
|
|
function void set_ready(bit value);
|
681 |
|
|
axi4_bus.cb_m.rready <= value;
|
682 |
|
|
endfunction: set_ready
|
683 |
|
|
|
684 |
|
|
|
685 |
|
|
// --------------------------------------------------------------------
|
686 |
|
|
//
|
687 |
|
|
function bit is_valid;
|
688 |
|
|
return(axi4_bus.cb_m.rvalid);
|
689 |
|
|
endfunction: is_valid
|
690 |
|
|
|
691 |
|
|
|
692 |
|
|
// --------------------------------------------------------------------
|
693 |
|
|
//
|
694 |
|
|
function void set_valid(bit value);
|
695 |
|
|
axi4_bus.cb_s.rvalid <= value;
|
696 |
|
|
endfunction: set_valid
|
697 |
|
|
|
698 |
|
|
|
699 |
|
|
// --------------------------------------------------------------------
|
700 |
|
|
//
|
701 |
|
|
function bit is_ready;
|
702 |
|
|
return(axi4_bus.cb_s.rready);
|
703 |
|
|
endfunction: is_ready
|
704 |
|
|
|
705 |
|
|
|
706 |
|
|
// --------------------------------------------------------------------
|
707 |
|
|
//
|
708 |
|
|
function bit is_transfer;
|
709 |
|
|
return(axi4_bus.cb_s.rready & axi4_bus.cb_m.rvalid);
|
710 |
|
|
endfunction: is_transfer
|
711 |
|
|
|
712 |
|
|
|
713 |
|
|
//--------------------------------------------------------------------
|
714 |
|
|
function new(virtual axi4_if #(A, N, I) axi4_bus);
|
715 |
|
|
super.new(axi4_bus);
|
716 |
|
|
endfunction: new
|
717 |
|
|
|
718 |
|
|
// --------------------------------------------------------------------
|
719 |
|
|
//
|
720 |
|
|
endclass: axi4_r_if_class
|
721 |
|
|
|
722 |
|
|
|
723 |
|
|
// --------------------------------------------------------------------
|
724 |
|
|
//
|
725 |
|
|
virtual class axi4_master_model_class #(A, N, I);
|
726 |
|
|
|
727 |
|
|
virtual axi4_if #(A, N, I) axi4_m;
|
728 |
|
|
axi4_aw_if_class #(A, N, I) aw_if_h;
|
729 |
|
|
axi4_channel_source_q_class #(A, N, I, axi4_aw_if_class #(A, N, I)) aw_q_h;
|
730 |
|
|
axi4_w_if_class #(A, N, I) w_if_h;
|
731 |
|
|
axi4_channel_source_q_class #(A, N, I, axi4_w_if_class #(A, N, I)) w_q_h;
|
732 |
|
|
axi4_b_if_class #(A, N, I) b_if_h;
|
733 |
|
|
axi4_channel_sink_q_class #(A, N, I, axi4_b_if_class #(A, N, I)) b_q_h;
|
734 |
|
|
axi4_ar_if_class #(A, N, I) ar_if_h;
|
735 |
|
|
axi4_channel_source_q_class #(A, N, I, axi4_ar_if_class #(A, N, I)) ar_q_h;
|
736 |
|
|
axi4_r_if_class #(A, N, I) r_if_h;
|
737 |
|
|
axi4_channel_sink_q_class #(A, N, I, axi4_r_if_class #(A, N, I)) r_q_h;
|
738 |
|
|
|
739 |
|
|
|
740 |
|
|
// --------------------------------------------------------------------
|
741 |
|
|
//
|
742 |
|
|
pure virtual task run_model;
|
743 |
|
|
|
744 |
|
|
|
745 |
|
|
//--------------------------------------------------------------------
|
746 |
|
|
function new(virtual axi4_if #(A, N, I) axi4_m);
|
747 |
|
|
this.axi4_m = axi4_m;
|
748 |
|
|
this.aw_if_h = new(axi4_m);
|
749 |
|
|
aw_if_h.set_master_default();
|
750 |
|
|
this.w_if_h = new(axi4_m);
|
751 |
|
|
w_if_h.set_master_default();
|
752 |
|
|
this.b_if_h = new(axi4_m);
|
753 |
|
|
b_if_h.set_master_default();
|
754 |
|
|
this.ar_if_h = new(axi4_m);
|
755 |
|
|
ar_if_h.set_master_default();
|
756 |
|
|
this.r_if_h = new(axi4_m);
|
757 |
|
|
r_if_h.set_master_default();
|
758 |
|
|
|
759 |
|
|
fork
|
760 |
|
|
run_model();
|
761 |
|
|
join_none
|
762 |
|
|
endfunction: new
|
763 |
|
|
|
764 |
|
|
|
765 |
|
|
// --------------------------------------------------------------------
|
766 |
|
|
//
|
767 |
|
|
endclass: axi4_master_model_class
|
768 |
|
|
|
769 |
|
|
|
770 |
|
|
// --------------------------------------------------------------------
|
771 |
|
|
//
|
772 |
|
|
virtual class axi4_slave_model_class #(A, N, I);
|
773 |
|
|
|
774 |
|
|
virtual axi4_if #(A, N, I) axi4_s;
|
775 |
|
|
axi4_aw_if_class #(A, N, I) aw_if_h;
|
776 |
|
|
axi4_channel_sink_q_class #(A, N, I, axi4_aw_if_class #(A, N, I)) aw_q_h;
|
777 |
|
|
axi4_w_if_class #(A, N, I) w_if_h;
|
778 |
|
|
axi4_channel_sink_q_class #(A, N, I, axi4_w_if_class #(A, N, I)) w_q_h;
|
779 |
|
|
axi4_b_if_class #(A, N, I) b_if_h;
|
780 |
|
|
axi4_channel_source_q_class #(A, N, I, axi4_b_if_class #(A, N, I)) b_q_h;
|
781 |
|
|
axi4_ar_if_class #(A, N, I) ar_if_h;
|
782 |
|
|
axi4_channel_sink_q_class #(A, N, I, axi4_ar_if_class #(A, N, I)) ar_q_h;
|
783 |
|
|
axi4_r_if_class #(A, N, I) r_if_h;
|
784 |
|
|
axi4_channel_source_q_class #(A, N, I, axi4_r_if_class #(A, N, I)) r_q_h;
|
785 |
|
|
|
786 |
|
|
|
787 |
|
|
// --------------------------------------------------------------------
|
788 |
|
|
//
|
789 |
|
|
pure virtual task run_model;
|
790 |
|
|
|
791 |
|
|
|
792 |
|
|
//--------------------------------------------------------------------
|
793 |
|
|
function new(virtual axi4_if #(A, N, I) axi4_s);
|
794 |
|
|
|
795 |
|
|
this.axi4_s = axi4_s;
|
796 |
|
|
this.aw_if_h = new(axi4_s);
|
797 |
|
|
aw_if_h.set_slave_default();
|
798 |
|
|
this.w_if_h = new(axi4_s);
|
799 |
|
|
w_if_h.set_slave_default();
|
800 |
|
|
this.b_if_h = new(axi4_s);
|
801 |
|
|
b_if_h.set_slave_default();
|
802 |
|
|
this.ar_if_h = new(axi4_s);
|
803 |
|
|
ar_if_h.set_slave_default();
|
804 |
|
|
this.r_if_h = new(axi4_s);
|
805 |
|
|
r_if_h.set_slave_default();
|
806 |
|
|
|
807 |
|
|
fork
|
808 |
|
|
run_model();
|
809 |
|
|
join_none
|
810 |
|
|
endfunction: new
|
811 |
|
|
|
812 |
|
|
|
813 |
|
|
// --------------------------------------------------------------------
|
814 |
|
|
//
|
815 |
|
|
endclass: axi4_slave_model_class
|
816 |
|
|
|
817 |
|
|
|
818 |
|
|
// --------------------------------------------------------------------
|
819 |
|
|
//
|
820 |
|
|
endpackage: axi4_models_pkg
|
821 |
|
|
|
822 |
|
|
|