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[/] [wisbone_2_ahb/] [tags/] [t2/] [svtb/] [avm_svtb/] [wb_ahb_monitor.svh] - Blame information for rev 11

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//******************************************************************************************************
// Copyright (c) 2007 TooMuch Semiconductor Solutions Pvt Ltd.
 
 
//File name             :       wb_ahb_monitor.svh
//Date                  :        Aug, 2007
//Description           :       Monitor for WISHBONE_AHB Bridge
//Revision              :       1.0
 
//******************************************************************************************************
 
// monitor class
import avm_pkg::*;
import global::*;
class wb_ahb_monitor extends avm_threaded_component;
 
avm_analysis_port#(monitor_pkt) ap_sb; // analysis port for Score board
monitor_pkt m_pkt;  // instance of packet
 
local bit flag1;
local bit flag2;
 
virtual wb_ahb_if pin_if;
 
        function new(string name ,avm_named_component parent);
                super.new(name,parent);
                ap_sb = new("ap_sb",this);
                pin_if =null;
        endfunction
// task to monitor event on read/write signal
task rdwr;
        forever
                begin
                @(pin_if.monitor.we_i);
                $display("Event on Read/Write");
                flag1='b1;
                end
endtask
// task to monitor event on ack_o or stb_i (wait state)
task wait_ms;
        forever
                begin
                @(pin_if.monitor.stb_i or pin_if.monitor.ack_o);
                flag2='b1;
                end
endtask
 
task main_run;
        forever
        begin
                @(posedge pin_if.monitor.clk_i);
                $display("At %0d,Values at ahb :%0d, %0d",$time,pin_if.monitor.haddr,pin_if.monitor.hwdata);
                if(pin_if.monitor.stb_i)//No wait state
                   begin
                    if(pin_if.monitor.we_i) //write mode
                        begin
                                if(flag1) // first clock
                                begin
                                        m_pkt.adr1=pin_if.monitor.addr_i;
                                        m_pkt.wr='b1;
                                        m_pkt.stb=pin_if.monitor.stb_i;
                                        m_pkt.flag1='b1;
                                        // write packet to scoreboard
                                        ap_sb.write(m_pkt);
                                        flag1='b0;
                                end
                                else
                                begin
                                        m_pkt.adr1=pin_if.monitor.addr_i;
                                        m_pkt.dat1=pin_if.monitor.data_i;
                                        m_pkt.adr2=pin_if.monitor.haddr;
                                        m_pkt.dat2=pin_if.monitor.hwdata;
                                        m_pkt.wr='b1;
                                        m_pkt.stb=pin_if.monitor.stb_i;
                                        m_pkt.flag1='b0;
                                        m_pkt.flag2=flag2;
                                        ap_sb.write(m_pkt);
                                end
                        end
                        else// read mode
                        begin
                                if(flag1) // first clock
                                begin
                                        m_pkt.adr1=pin_if.monitor.addr_i;
                                        m_pkt.wr='b0;
                                        m_pkt.stb=pin_if.monitor.stb_i;
                                        m_pkt.flag1='b1;
                                        //write packet to scoreboard
                                        ap_sb.write(m_pkt);
                                        flag1='b0;
                                end
                                else
                                begin
                                        m_pkt.adr1=pin_if.monitor.addr_i;
                                        m_pkt.dat1=pin_if.monitor.data_i;
                                        m_pkt.adr2=pin_if.monitor.haddr;
                                        m_pkt.dat2=pin_if.monitor.hrdata;
                                        m_pkt.wr='b0;
                                        m_pkt.stb=pin_if.monitor.stb_i;
                                        m_pkt.flag1='b0;
                                        m_pkt.flag2=flag2;
                                        // write packet to scoreboard
                                        ap_sb.write(m_pkt);
                                end
                        end
                end
                else // wait state by slave or master
                begin
                        if(pin_if.monitor.we_i) // write mode
                        begin
                                if(flag2) // latch the value
                                begin
                                        m_pkt.adr1=pin_if.monitor.addr_i;
                                        m_pkt.dat1=pin_if.monitor.data_i;
                                        m_pkt.adr2=pin_if.monitor.haddr;
                                        m_pkt.dat2=pin_if.monitor.hwdata;
                                        m_pkt.wr='b1;
                                        m_pkt.stb=pin_if.monitor.stb_i;
                                        m_pkt.flag2='b1;
                                        ap_sb.write(m_pkt);
                                        flag2='b0;
                                end
                                else
                                begin
                                        m_pkt.adr1=pin_if.monitor.addr_i;
                                        m_pkt.dat1=pin_if.monitor.data_i;
                                        m_pkt.adr2=pin_if.monitor.haddr;
                                        m_pkt.dat2=pin_if.monitor.hwdata;
                                        m_pkt.wr='b1;
                                        m_pkt.stb=pin_if.monitor.stb_i;
                                        m_pkt.flag2='b0;
                                        ap_sb.write(m_pkt);
                                end
                        end
                        else
                        begin
                                if(flag2) // latch the value
                                begin
                                        m_pkt.adr1=pin_if.monitor.addr_i;
                                        m_pkt.dat1=pin_if.monitor.data_o;
                                        m_pkt.adr2=pin_if.monitor.haddr;
                                        m_pkt.dat2=pin_if.monitor.hrdata;
                                        m_pkt.wr='b0;
                                        m_pkt.stb=pin_if.monitor.stb_i;
                                        m_pkt.flag2='b1;
                                        ap_sb.write(m_pkt);
                                        flag2='b0;
                                end
                                else
                                begin
                                        m_pkt.adr1=pin_if.monitor.addr_i;
                                        m_pkt.dat1=pin_if.monitor.data_o;
                                        m_pkt.adr2=pin_if.monitor.haddr;
                                        m_pkt.dat2=pin_if.monitor.hrdata;
                                        m_pkt.wr='b0;
                                        m_pkt.stb=pin_if.monitor.stb_i;
                                        m_pkt.flag2='b0;
                                        ap_sb.write(m_pkt);
                                end
                        end
                end
        end
endtask
 
// run all task simultaneously
task run;
        fork
                rdwr();
                wait_ms();
                main_run();
        join
endtask
 
endclass
 
 

Line No.	Rev	Author	Line
1	5	toomuch	`//******************************************************************************************************`
2			`// Copyright (c) 2007 TooMuch Semiconductor Solutions Pvt Ltd.`
3
4
5			`//File name : wb_ahb_monitor.svh`
6			`//Date : Aug, 2007`
7			`//Description : Monitor for WISHBONE_AHB Bridge`
8			`//Revision : 1.0`
9
10			`//******************************************************************************************************`
11
12			`// monitor class`
13			`import avm_pkg::*;`
14			`import global::*;`
15			`class wb_ahb_monitor extends avm_threaded_component;`
16
17			`avm_analysis_port#(monitor_pkt) ap_sb; // analysis port for Score board`
18			`monitor_pkt m_pkt; // instance of packet`
19
20			`local bit flag1;`
21			`local bit flag2;`
22
23			`virtual wb_ahb_if pin_if;`
24
25			`function new(string name ,avm_named_component parent);`
26			`super.new(name,parent);`
27			`ap_sb = new("ap_sb",this);`
28			`pin_if =null;`
29			`endfunction`
30			`// task to monitor event on read/write signal`
31			`task rdwr;`
32			`forever`
33			`begin`
34			`@(pin_if.monitor.we_i);`
35			`$display("Event on Read/Write");`
36			`flag1='b1;`
37			`end`
38			`endtask`
39			`// task to monitor event on ack_o or stb_i (wait state)`
40			`task wait_ms;`
41			`forever`
42			`begin`
43			`@(pin_if.monitor.stb_i or pin_if.monitor.ack_o);`
44			`flag2='b1;`
45			`end`
46			`endtask`
47
48			`task main_run;`
49			`forever`
50			`begin`
51			`@(posedge pin_if.monitor.clk_i);`
52			`$display("At %0d,Values at ahb :%0d, %0d",$time,pin_if.monitor.haddr,pin_if.monitor.hwdata);`
53			`if(pin_if.monitor.stb_i)//No wait state`
54			`begin`
55			`if(pin_if.monitor.we_i) //write mode`
56			`begin`
57			`if(flag1) // first clock`
58			`begin`
59			`m_pkt.adr1=pin_if.monitor.addr_i;`
60			`m_pkt.wr='b1;`
61			`m_pkt.stb=pin_if.monitor.stb_i;`
62			`m_pkt.flag1='b1;`
63			`// write packet to scoreboard`
64			`ap_sb.write(m_pkt);`
65			`flag1='b0;`
66			`end`
67			`else`
68			`begin`
69			`m_pkt.adr1=pin_if.monitor.addr_i;`
70			`m_pkt.dat1=pin_if.monitor.data_i;`
71			`m_pkt.adr2=pin_if.monitor.haddr;`
72			`m_pkt.dat2=pin_if.monitor.hwdata;`
73			`m_pkt.wr='b1;`
74			`m_pkt.stb=pin_if.monitor.stb_i;`
75			`m_pkt.flag1='b0;`
76			`m_pkt.flag2=flag2;`
77			`ap_sb.write(m_pkt);`
78			`end`
79			`end`
80			`else// read mode`
81			`begin`
82			`if(flag1) // first clock`
83			`begin`
84			`m_pkt.adr1=pin_if.monitor.addr_i;`
85			`m_pkt.wr='b0;`
86			`m_pkt.stb=pin_if.monitor.stb_i;`
87			`m_pkt.flag1='b1;`
88			`//write packet to scoreboard`
89			`ap_sb.write(m_pkt);`
90			`flag1='b0;`
91			`end`
92			`else`
93			`begin`
94			`m_pkt.adr1=pin_if.monitor.addr_i;`
95			`m_pkt.dat1=pin_if.monitor.data_i;`
96			`m_pkt.adr2=pin_if.monitor.haddr;`
97			`m_pkt.dat2=pin_if.monitor.hrdata;`
98			`m_pkt.wr='b0;`
99			`m_pkt.stb=pin_if.monitor.stb_i;`
100			`m_pkt.flag1='b0;`
101			`m_pkt.flag2=flag2;`
102			`// write packet to scoreboard`
103			`ap_sb.write(m_pkt);`
104			`end`
105			`end`
106			`end`
107			`else // wait state by slave or master`
108			`begin`
109			`if(pin_if.monitor.we_i) // write mode`
110			`begin`
111			`if(flag2) // latch the value`
112			`begin`
113			`m_pkt.adr1=pin_if.monitor.addr_i;`
114			`m_pkt.dat1=pin_if.monitor.data_i;`
115			`m_pkt.adr2=pin_if.monitor.haddr;`
116			`m_pkt.dat2=pin_if.monitor.hwdata;`
117			`m_pkt.wr='b1;`
118			`m_pkt.stb=pin_if.monitor.stb_i;`
119			`m_pkt.flag2='b1;`
120			`ap_sb.write(m_pkt);`
121			`flag2='b0;`
122			`end`
123			`else`
124			`begin`
125			`m_pkt.adr1=pin_if.monitor.addr_i;`
126			`m_pkt.dat1=pin_if.monitor.data_i;`
127			`m_pkt.adr2=pin_if.monitor.haddr;`
128			`m_pkt.dat2=pin_if.monitor.hwdata;`
129			`m_pkt.wr='b1;`
130			`m_pkt.stb=pin_if.monitor.stb_i;`
131			`m_pkt.flag2='b0;`
132			`ap_sb.write(m_pkt);`
133			`end`
134			`end`
135			`else`
136			`begin`
137			`if(flag2) // latch the value`
138			`begin`
139			`m_pkt.adr1=pin_if.monitor.addr_i;`
140			`m_pkt.dat1=pin_if.monitor.data_o;`
141			`m_pkt.adr2=pin_if.monitor.haddr;`
142			`m_pkt.dat2=pin_if.monitor.hrdata;`
143			`m_pkt.wr='b0;`
144			`m_pkt.stb=pin_if.monitor.stb_i;`
145			`m_pkt.flag2='b1;`
146			`ap_sb.write(m_pkt);`
147			`flag2='b0;`
148			`end`
149			`else`
150			`begin`
151			`m_pkt.adr1=pin_if.monitor.addr_i;`
152			`m_pkt.dat1=pin_if.monitor.data_o;`
153			`m_pkt.adr2=pin_if.monitor.haddr;`
154			`m_pkt.dat2=pin_if.monitor.hrdata;`
155			`m_pkt.wr='b0;`
156			`m_pkt.stb=pin_if.monitor.stb_i;`
157			`m_pkt.flag2='b0;`
158			`ap_sb.write(m_pkt);`
159			`end`
160			`end`
161			`end`
162			`end`
163			`endtask`
164
165			`// run all task simultaneously`
166			`task run;`
167			`fork`
168			`rdwr();`
169			`wait_ms();`
170			`main_run();`
171			`join`
172			`endtask`
173
174			`endclass`
175
176

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[/] [wisbone_2_ahb/] [tags/] [t2/] [svtb/] [avm_svtb/] [wb_ahb_monitor.svh] - Blame information for rev 11