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[/] [wisbone_2_ahb/] [tags/] [t3/] [svtb/] [avm_svtb/] [wb_ahb_scoreboard.svh] - Blame information for rev 8

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//******************************************************************************************************
// Copyright (c) 2007 TooMuch Semiconductor Solutions Pvt Ltd.
 
 
//File name             :       wb_ahb_scoreboard.svh
//Designer              :       Ravi S Gupta
//Date                  :       4 Sept, 2007
//Description           :       Stimulus Generation for WISHBONE_AHB Bridge
//Revision              :       1.0
 
//******************************************************************************************************
 
// scoreboard class
import avm_pkg::*;
import global::*;
 
class wb_ahb_scoreboard 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; //WB ADDR
logic [DWIDTH-1:0]dat1; //WB DATA
logic [AWIDTH-1:0]adr2; //AHB ADDR
logic [DWIDTH-1:0]dat2; //WB DATA
 
// monitor packet
monitor_pkt m_pkt;
 
virtual ahb_wb_if pin_if;
 
        function new(string name ,avm_named_component parent);
                super.new(name,parent);
                ap_fifo  =new("ap_fifo",this);
                ap_if =null;
                pin_if =null;
        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);
                if(m_pkt.stb && m_pkt.ack)  //No wait state
                        if(m_pkt.wr) //write mode
                                if(m_pkt.flag1) // first clock comparison only between addresses
                                begin
                                        adr1=m_pkt.adr1;
                                        dat1=m_pkt.dat1;
                                        adr2=m_pkt.adr2;
                                        if(m_pkt.flag2) // first clock after after wait state
                                        begin
                                                if((( adr1==m_pkt.adr1) && (dat1==m_pkt.dat1)  && (adr2==m_pkt.adr2)  && (dat2==m_pkt.dat2))|| (( m_pkt.adr1 === m_pkt.adr2 ) && (m_pkt.dat1 === dat2)));
 
                                                        //avm_report_message("Scoreboard: Write Passed","after wait state");
                                                else
                                                        avm_report_warning("Scoreboard: Error in write after wait state",display_pkt(m_pkt));
                                                adr1=m_pkt.adr1; // Holding the previous WB address
                                                dat1=m_pkt.dat1; // Holding the previous WB data
                                                adr2=m_pkt.adr2; // Holding the previous AHB Addr
 
                                        end
                                        else
                                                begin
                                                if(( m_pkt.adr1 === m_pkt.adr2 ) && (m_pkt.dat1 === dat2));
                                                        //avm_report_message("Scoreboard: Write Passed","without wait state");
                                                else
                                                        avm_report_warning("Scoreboard: Error in write without wait state",display_pkt(m_pkt));
                                                end
                                        end
                        else //READ Mode
                                if(m_pkt.flag1) // first clock comaprison between addresses
                                begin
                                        adr1=m_pkt.adr1;// Holding the previous WB address
                                        adr2=m_pkt.adr2;// Holding the previous AHB Addr
                                        if(m_pkt.flag2) // first clock after after wait state
                                        begin
                                                if((( adr1==m_pkt.adr1) && (dat1==m_pkt.dat1)  && (adr2==m_pkt.adr2)  && (dat2==m_pkt.dat2))|| (( adr1 === m_pkt.adr2 ) && (m_pkt.dat1 === m_pkt.dat2)));
                                                        //avm_report_message("Scoreboard: Read Passed","after wait state");
                                                else
 
                                                        avm_report_warning("Scoreboard: Error in read after wait state",display_pkt(m_pkt));
                                                adr1=m_pkt.adr1;
                                                adr2=m_pkt.adr2;
                                        end
                                        else
                                        begin
                                                if(( adr1 === m_pkt.adr2 ) && (m_pkt.dat1 === m_pkt.dat2)); // comparing unknown values too
                                                        //avm_report_message("Scoreboard: Read Passed","without wait state");
                                                else
                                                        avm_report_warning("Scoreboard: Error in read without wait state",display_pkt(m_pkt));
                                                adr1=m_pkt.adr1;
                                                adr2=m_pkt.adr2;
                                        end
                                end
                else // wait state by slave or master
                begin
                        if(m_pkt.flag2) // latch the value
                        begin
                                adr1=m_pkt.adr1;
                                dat1=m_pkt.dat1;
                                adr2=m_pkt.adr2;
                                dat2=m_pkt.dat2;
                        end
                        else
                        begin
                                if(( adr1==m_pkt.adr1) && (dat1==m_pkt.dat1)  && (adr2==m_pkt.adr2)  && (dat2==m_pkt.dat2));
                                        //avm_report_message("Scoreboard: Passed","with wait state");
                                else
                                        avm_report_warning("Scoreboard: Error in with wait state",display_pkt(m_pkt));
                        end
                end
 
        end
endtask
 
 
// function to display values at any instant
function string display_pkt(input monitor_pkt m);
        string s;
                $sformat(s,"current_adr1=%0d,adr1=%0d,adr2=%0d,dat1=%0d,dat2=%0d,wr=%0b,stb=%0b,f1=%b,f2=%b",adr1,m.adr1,m.adr2,m.dat1,m.dat2,m.wr,m.stb,m.flag1,m.flag2);
                return s;
endfunction
 
 
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_scoreboard.svh`
6	8	toomuch	`//Designer : Ravi S Gupta`
7			`//Date : 4 Sept, 2007`
8	5	toomuch	`//Description : Stimulus Generation for WISHBONE_AHB Bridge`
9			`//Revision : 1.0`
10
11			`//******************************************************************************************************`
12
13			`// scoreboard class`
14			`import avm_pkg::*;`
15			`import global::*;`
16
17			`class wb_ahb_scoreboard extends avm_threaded_component;`
18
19			`analysis_fifo#(monitor_pkt) ap_fifo; // analysis port fifo`
20			`analysis_if#(monitor_pkt) ap_if; // analysis port interface`
21			`// local variables`
22	8	toomuch
23			`logic [AWIDTH-1:0]adr1; //WB ADDR`
24			`logic [DWIDTH-1:0]dat1; //WB DATA`
25			`logic [AWIDTH-1:0]adr2; //AHB ADDR`
26			`logic [DWIDTH-1:0]dat2; //WB DATA`
27
28	5	toomuch	`// monitor packet`
29			`monitor_pkt m_pkt;`
30
31			`virtual ahb_wb_if pin_if;`
32
33			`function new(string name ,avm_named_component parent);`
34			`super.new(name,parent);`
35			`ap_fifo =new("ap_fifo",this);`
36			`ap_if =null;`
37			`pin_if =null;`
38			`endfunction`
39
40	8	toomuch	`// connecting analysis fifo to the analysis interface`
41	5	toomuch	`function void export_connections();`
42			`ap_if = ap_fifo.analysis_export;`
43			`endfunction`
44
45			`task run;`
46	8	toomuch	`forever`
47	5	toomuch	`begin`
48			`ap_fifo.get(m_pkt);`
49	8	toomuch	`if(m_pkt.stb && m_pkt.ack) //No wait state`
50	5	toomuch	`if(m_pkt.wr) //write mode`
51	8	toomuch	`if(m_pkt.flag1) // first clock comparison only between addresses`
52			`begin`
53	5	toomuch	`adr1=m_pkt.adr1;`
54	8	toomuch	`dat1=m_pkt.dat1;`
55			`adr2=m_pkt.adr2;`
56	5	toomuch	`if(m_pkt.flag2) // first clock after after wait state`
57			`begin`
58	8	toomuch	`if((( adr1==m_pkt.adr1) && (dat1==m_pkt.dat1) && (adr2==m_pkt.adr2) && (dat2==m_pkt.dat2))\|\| (( m_pkt.adr1 === m_pkt.adr2 ) && (m_pkt.dat1 === dat2)));`
59
60	5	toomuch	`//avm_report_message("Scoreboard: Write Passed","after wait state");`
61			`else`
62			`avm_report_warning("Scoreboard: Error in write after wait state",display_pkt(m_pkt));`
63	8	toomuch	`adr1=m_pkt.adr1; // Holding the previous WB address`
64			`dat1=m_pkt.dat1; // Holding the previous WB data`
65			`adr2=m_pkt.adr2; // Holding the previous AHB Addr`
66
67	5	toomuch	`end`
68			`else`
69	8	toomuch	`begin`
70			`if(( m_pkt.adr1 === m_pkt.adr2 ) && (m_pkt.dat1 === dat2));`
71	5	toomuch	`//avm_report_message("Scoreboard: Write Passed","without wait state");`
72	8	toomuch	`else`
73	5	toomuch	`avm_report_warning("Scoreboard: Error in write without wait state",display_pkt(m_pkt));`
74			`end`
75	8	toomuch	`end`
76			`else //READ Mode`
77			`if(m_pkt.flag1) // first clock comaprison between addresses`
78			`begin`
79			`adr1=m_pkt.adr1;// Holding the previous WB address`
80			`adr2=m_pkt.adr2;// Holding the previous AHB Addr`
81	5	toomuch	`if(m_pkt.flag2) // first clock after after wait state`
82			`begin`
83	8	toomuch	`if((( adr1==m_pkt.adr1) && (dat1==m_pkt.dat1) && (adr2==m_pkt.adr2) && (dat2==m_pkt.dat2))\|\| (( adr1 === m_pkt.adr2 ) && (m_pkt.dat1 === m_pkt.dat2)));`
84	5	toomuch	`//avm_report_message("Scoreboard: Read Passed","after wait state");`
85			`else`
86	8	toomuch
87	5	toomuch	`avm_report_warning("Scoreboard: Error in read after wait state",display_pkt(m_pkt));`
88	8	toomuch	`adr1=m_pkt.adr1;`
89			`adr2=m_pkt.adr2;`
90	5	toomuch	`end`
91	8	toomuch	`else`
92	5	toomuch	`begin`
93			`if(( adr1 === m_pkt.adr2 ) && (m_pkt.dat1 === m_pkt.dat2)); // comparing unknown values too`
94			`//avm_report_message("Scoreboard: Read Passed","without wait state");`
95			`else`
96			`avm_report_warning("Scoreboard: Error in read without wait state",display_pkt(m_pkt));`
97	8	toomuch	`adr1=m_pkt.adr1;`
98			`adr2=m_pkt.adr2;`
99	5	toomuch	`end`
100	8	toomuch	`end`
101			`else // wait state by slave or master`
102			`begin`
103	5	toomuch	`if(m_pkt.flag2) // latch the value`
104			`begin`
105			`adr1=m_pkt.adr1;`
106			`dat1=m_pkt.dat1;`
107			`adr2=m_pkt.adr2;`
108			`dat2=m_pkt.dat2;`
109			`end`
110			`else`
111	8	toomuch	`begin`
112	5	toomuch	`if(( adr1==m_pkt.adr1) && (dat1==m_pkt.dat1) && (adr2==m_pkt.adr2) && (dat2==m_pkt.dat2));`
113			`//avm_report_message("Scoreboard: Passed","with wait state");`
114			`else`
115			`avm_report_warning("Scoreboard: Error in with wait state",display_pkt(m_pkt));`
116	8	toomuch	`end`
117			`end`
118	5	toomuch
119			`end`
120			`endtask`
121
122	8	toomuch
123			`// function to display values at any instant`
124	5	toomuch	`function string display_pkt(input monitor_pkt m);`
125			`string s;`
126			`$sformat(s,"current_adr1=%0d,adr1=%0d,adr2=%0d,dat1=%0d,dat2=%0d,wr=%0b,stb=%0b,f1=%b,f2=%b",adr1,m.adr1,m.adr2,m.dat1,m.dat2,m.wr,m.stb,m.flag1,m.flag2);`
127			`return s;`
128			`endfunction`
129
130
131			`endclass`
132
133
134
135
136
137
138

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[/] [wisbone_2_ahb/] [tags/] [t3/] [svtb/] [avm_svtb/] [wb_ahb_scoreboard.svh] - Blame information for rev 8