URL
https://opencores.org/ocsvn/openhmc/openhmc/trunk
Subversion Repositories openhmc
[/] [openhmc/] [trunk/] [openHMC/] [sim/] [UVC/] [hmc/] [sv/] [hmc_tag_mon.sv] - Rev 15
Compare with Previous | Blame | View Log
/*
* .--------------. .----------------. .------------.
* | .------------. | .--------------. | .----------. |
* | | ____ ____ | | | ____ ____ | | | ______ | |
* | ||_ || _|| | ||_ \ / _|| | | .' ___ || |
* ___ _ __ ___ _ __ | | | |__| | | | | | \/ | | | |/ .' \_|| |
* / _ \| '_ \ / _ \ '_ \ | | | __ | | | | | |\ /| | | | || | | |
* (_) | |_) | __/ | | || | _| | | |_ | | | _| |_\/_| |_ | | |\ `.___.'\| |
* \___/| .__/ \___|_| |_|| ||____||____|| | ||_____||_____|| | | `._____.'| |
* | | | | | | | | | | | |
* |_| | '------------' | '--------------' | '----------' |
* '--------------' '----------------' '------------'
*
* 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/>.
*
*
*/
//
//
// hmc link tag checker
//
//
`ifndef hmc_tag_mon_SV
`define hmc_tag_mon_SV
class hmc_tag_mon extends uvm_component;
int tags_in_use[int];
int current_tag;
int transaction_count;
int max_tags_in_use;
int max_tags_available = 512;
covergroup tags_cg;
option.per_instance = 1;
TAGS_IN_USE : coverpoint tags_in_use.size(){
bins low_usage[] = {[1:20]};
bins medium_usage[] = {[21:250]};
bins high_usage[] = {[251:511]};
bins no_tags_available = {512};
}
USED_TAGS : coverpoint current_tag{
bins TAGS[] = {[1:511]};
}
endgroup
`uvm_component_utils_begin(hmc_tag_mon)
`uvm_field_int(max_tags_available, UVM_DEFAULT)
`uvm_component_utils_end
function new ( string name="hmc_tag_mon", uvm_component parent );
super.new(name, parent);
tags_in_use.delete();
max_tags_in_use = 0;
transaction_count = 0;
tags_cg = new();
endfunction : new
function void reset();
tags_in_use.delete();
endfunction : reset
function void use_tag(input bit [8:0] tag);
int tmp[];
if (tag > max_tags_available-1)
`uvm_fatal(get_type_name(), $psprintf("use_tag: tag (%0d) out of range!", tag))
if(!tags_in_use.exists(tag) ) begin
tags_in_use[tag] = tag;
current_tag = tag;
tags_cg.sample();
end
endfunction : use_tag
function void release_tag(input bit [8:0] tag);
if (tags_in_use.exists(tag))
tags_in_use.delete(tag);
else
`uvm_fatal(get_type_name(), $psprintf("release_tag: tag (%0d) not in use!", tag))
transaction_count++;
endfunction : release_tag
function bit idle_check();
idle_check = 1;
if (tags_in_use.size() > 0) begin
foreach (tags_in_use[i])
`uvm_info(get_type_name(), $psprintf("%0d tags still in use, Tag %0d is in use!", tags_in_use.size(), i),UVM_LOW)
idle_check = 0;
end
endfunction : idle_check
function void check_phase(uvm_phase phase);
if (!idle_check())
`uvm_fatal(get_type_name(),$psprintf("Tags are still in use"))
endfunction : check_phase
function void report_phase(uvm_phase phase);
`uvm_info(get_type_name(),$psprintf("max_tags_in_use %0d, transaction_count %0d", max_tags_in_use, transaction_count), UVM_LOW)
endfunction : report_phase
endclass : hmc_tag_mon
`endif // hmc_tag_mon_SV