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Transition bins creation : Nonconsecutive repetition
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Nonconsecutive repetition is where a sequence of transitions continues until the next transition.A trans_list specifies one or more sets of ordered value transitions of the coverage point. If the sequence of value transitions of the coverage point matches any complete sequence in the trans_list, the coverage count of the corresponding bin is incremented. |
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2[=WRITE] |
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....=>WRITE.....=>WRITE.....=>WRITE |
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Example : Non consecutive repetition creation
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1 module test();
2
3 logic [2:0] addr;
4 reg ce;
5
6 covergroup address_cov () @ (posedge ce);
7 ADDRESS : coverpoint addr {
8 bins adr = (0=>2[=2]=>1);
9 }
10 endgroup
11
12 address_cov my_cov = new();
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14 initial begin
15 ce <= 0;
16 $monitor("ce %b addr 8'h%x",ce,addr);
17 repeat (10) begin
18 ce <= 1;
19 addr <= $urandom_range(0,2);
20 #10 ;
21 ce <= 0;
22 #10 ;
23 end
24 end
25
26 endmodule
You could download file non_cons_repetition_bin.sv here
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Simulation : Non consecutive repetition creation
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ce 1 addr 8'h2
ce 0 addr 8'h2
ce 1 addr 8'h2
ce 0 addr 8'h2
ce 1 addr 8'h1
ce 0 addr 8'h1
ce 1 addr 8'h0
ce 0 addr 8'h0
ce 1 addr 8'h1
ce 0 addr 8'h1
ce 1 addr 8'h2
ce 0 addr 8'h2
ce 1 addr 8'h1
ce 0 addr 8'h1
ce 1 addr 8'h0
ce 0 addr 8'h0
ce 1 addr 8'h0
ce 0 addr 8'h0
ce 1 addr 8'h2
ce 0 addr 8'h2
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Report : Non consecutive repetition creation
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===========================================================
Group : test::address_cov
===========================================================
SCORE WEIGHT GOAL
0.00 1 100
-----------------------------------------------------------
Summary for Group test::address_cov
CATEGORY EXPECTED UNCOVERED COVERED PERCENT
Variables 1 1 0 0.00
Variables for Group test::address_cov
VARIABLE EXPECTED UNCOVERED COVERED PERCENT GOAL WEIGHT
ADDRESS 1 1 0 0.00 100 1
-----------------------------------------------------------
Summary for Variable ADDRESS
CATEGORY EXPECTED UNCOVERED COVERED PERCENT
User Defined Bins 1 1 0 0.00
User Defined Bins for ADDRESS
Uncovered bins
NAME COUNT AT LEAST NUMBER
adr 0 1 1
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Copyright © 1998-2014 |
Deepak Kumar Tala - All rights reserved |
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Do you have any Comment? mail me at:deepak@asic-world.com
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