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https://opencores.org/ocsvn/wisbone_2_ahb/wisbone_2_ahb/trunk
Subversion Repositories wisbone_2_ahb
[/] [wisbone_2_ahb/] [tags/] [t3/] [svtb/] [avm_svtb/] [wb_ahb_coverage.svh] - Rev 10
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//******************************************************************************************************
// Copyright (c) 2007 TooMuch Semiconductor Solutions Pvt Ltd.
//File name : wb_ahb_coverage.svh
//Designaer : Ravi S Gupta
//Date : 4 Sept, 2007
//Description : Coverage Status for WISHBONE_AHB Bridge
//Revision : 1.0
//******************************************************************************************************
// coverage class
import avm_pkg::*;
import global::*;
class wb_ahb_coverage extends avm_threaded_component;
analysis_fifo#(monitor_pkt) ap_fifo; // analysis port fifo
analysis_if#(monitor_pkt) ap_if; // analysis port interface
// local variables
logic [AWIDTH-1:0]adr1;
logic [AWIDTH-1:0]adr2;
logic [DWIDTH-1:0]dat1;
logic [DWIDTH-1:0]dat2;
bit stb,wr,ack;
// monitor packet
monitor_pkt m_pkt;
// coverage group
covergroup cov_wr;
write_read: coverpoint wr; // cover read/write
wr_with_wait_mst: cross wr,stb;// cover read/write on wait state by master
wr_with_wait_slv: cross wr,ack;// cover read/write on wait state by slave
endgroup
function new(string name ,avm_named_component parent);
super.new(name,parent);
ap_fifo =new("ap_fifo",this);
ap_if =null;
cov_wr=new;
endfunction
// connecting analysis fifo to the analysis interface
function void export_connections();
ap_if = ap_fifo.analysis_export;
endfunction
task run;
forever
begin
ap_fifo.get(m_pkt); // receiving monitor_pkt from monitor
// sampling the values of pkt to local variables
stb=m_pkt.stb;
wr=m_pkt.wr;
ack=m_pkt.ack;
// sample the coverpoints
cov_wr.sample();
end
endtask
endclass
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