Unified Coverage Report :: Module :: rom_ctrl_counter

Module : rom_ctrl_counter

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Source File(s) :
/workspaces/repo/scratch/os_regression_2024_10_02/rom_ctrl_64kB-sim-vcs/default/sim-vcs/../src/lowrisc_ip_rom_ctrl_0.1/rtl/rom_ctrl_counter.sv

Module self-instances :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
tb.dut.gen_fsm_scramble_enabled.u_checker_fsm.u_counter	100.00	100.00	100.00			100.00	100.00

---

Module Instance : tb.dut.gen_fsm_scramble_enabled.u_checker_fsm.u_counter

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00			100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
98.67	100.00	96.36		100.00	96.97	100.00	gen_fsm_scramble_enabled.u_checker_fsm

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
no children

---

Since this is the module's only instance, the coverage report is the same as for the module.

Line Coverage for Module : rom_ctrl_counter

	Line No.	Total	Covered	Percent
TOTAL		23	23	100.00
CONT_ASSIGN	74	1	1	100.00
ALWAYS	76	3	3	100.00
ALWAYS	84	6	6	100.00
ALWAYS	94	5	5	100.00
CONT_ASSIGN	108	1	1	100.00
CONT_ASSIGN	110	1	1	100.00
CONT_ASSIGN	111	1	1	100.00
CONT_ASSIGN	113	1	1	100.00
CONT_ASSIGN	114	1	1	100.00
CONT_ASSIGN	115	1	1	100.00
CONT_ASSIGN	116	1	1	100.00
CONT_ASSIGN	117	1	1	100.00

73                      
74         1/1            assign done_d = addr_q == TopAddr;
           Tests:       T1 T2 T3 
75                        always_ff @(posedge clk_i or negedge rst_ni) begin
76         1/1              if (!rst_ni) begin
           Tests:       T1 T2 T3 
77         1/1                done_q <= 1'b0;
           Tests:       T1 T2 T3 
78                          end else begin
79         1/1                done_q <= done_d;
           Tests:       T1 T2 T3 
80                          end
81                        end
82                      
83                        always_ff @(posedge clk_i or negedge rst_ni) begin
84         1/1              if (!rst_ni) begin
           Tests:       T1 T2 T3 
85         1/1                addr_q        <= '0;
           Tests:       T1 T2 T3 
86         1/1                last_nontop_q <= 1'b0;
           Tests:       T1 T2 T3 
87         1/1              end else if (go) begin
           Tests:       T1 T2 T3 
88         1/1                addr_q        <= addr_d;
           Tests:       T1 T2 T3 
89         1/1                last_nontop_q <= last_nontop_d;
           Tests:       T1 T2 T3 
90                          end
                        MISSING_ELSE
91                        end
92                      
93                        always_ff @(posedge clk_i or negedge rst_ni) begin
94         1/1              if (!rst_ni) begin
           Tests:       T1 T2 T3 
95         1/1                req_q <= 1'b0;
           Tests:       T1 T2 T3 
96         1/1                vld_q <= 1'b0;
           Tests:       T1 T2 T3 
97                          end else begin
98                            // The first ROM request goes out immediately after reset (once we reach the top of ROM, we
99                            // signal done_o, after which the request signal is unused). We could clear it again when we
100                           // are done, but there's no need: the mux will switch away from us anyway.
101        1/1                req_q <= 1'b1;
           Tests:       T1 T2 T3 
102                     
103                           // ROM data is valid from one cycle after the request goes out.
104        1/1                vld_q <= req_q;
           Tests:       T1 T2 T3 
105                         end
106                       end
107                     
108        1/1            assign go = data_rdy_i & vld_q & ~done_d;
           Tests:       T1 T2 T3 
109                     
110        1/1            assign addr_d        = addr_q + {{AW-1{1'b0}}, 1'b1};
           Tests:       T1 T2 T3 
111        1/1            assign last_nontop_d = addr_q == TNTAddr;
           Tests:       T1 T2 T3 
112                     
113        1/1            assign done_o             = done_q;
           Tests:       T1 T2 T3 
114        1/1            assign read_addr_o        = go ? addr_d : addr_q;
           Tests:       T1 T2 T3 
115        1/1            assign read_req_o         = req_q;
           Tests:       T1 T2 T3 
116        1/1            assign data_addr_o        = addr_q;
           Tests:       T1 T2 T3 
117        1/1            assign data_last_nontop_o = last_nontop_q;
           Tests:       T1 T2 T3 

---

Cond Coverage for Module : rom_ctrl_counter

	Total	Covered	Percent
Conditions	10	10	100.00
Logical	10	10	100.00
Non-Logical	0	0
Event	0	0

 LINE       74
 EXPRESSION (addr_q == TopAddr)
            ---------1---------

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T1,T2,T3

 LINE       108
 EXPRESSION (data_rdy_i & vld_q & ((~done_d)))
             -----1----   --2--   -----3-----

-1-	-2-	-3-	Status	Tests
0	1	1	Covered	T2,T3,T4
1	0	1	Covered	T1,T2,T3
1	1	0	Covered	T1,T2,T3
1	1	1	Covered	T1,T2,T3

 LINE       111
 EXPRESSION (addr_q == TNTAddr)
            ---------1---------

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T1,T2,T3

 LINE       114
 EXPRESSION (go ? addr_d : addr_q)
             -1

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T1,T2,T3

---

Branch Coverage for Module : rom_ctrl_counter

	Line No.	Total	Covered	Percent
Branches		9	9	100.00
TERNARY	114	2	2	100.00
IF	76	2	2	100.00
IF	84	3	3	100.00
IF	94	2	2	100.00

114          assign read_addr_o        = go ? addr_d : addr_q;
                                            -1-  
                                            ==>  
                                            ==>  

Branches:

-1-	Status	Tests
1	Covered	T1,T2,T3
0	Covered	T1,T2,T3

76             if (!rst_ni) begin
               -1-  
77               done_q <= 1'b0;
                 ==>
78             end else begin
79               done_q <= done_d;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T2,T3
0	Covered	T1,T2,T3

84             if (!rst_ni) begin
               -1-  
85               addr_q        <= '0;
                 ==>
86               last_nontop_q <= 1'b0;
87             end else if (go) begin
                        -2-  
88               addr_q        <= addr_d;
                 ==>
89               last_nontop_q <= last_nontop_d;
90             end
               MISSING_ELSE
               ==>

Branches:

-1-	-2-	Status	Tests
1	-	Covered	T1,T2,T3
0	1	Covered	T1,T2,T3
0	0	Covered	T1,T2,T3

94             if (!rst_ni) begin
               -1-  
95               req_q <= 1'b0;
                 ==>
96               vld_q <= 1'b0;
97             end else begin
98               // The first ROM request goes out immediately after reset (once we reach the top of ROM, we
99               // signal done_o, after which the request signal is unused). We could clear it again when we
100              // are done, but there's no need: the mux will switch away from us anyway.
101              req_q <= 1'b1;
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T1,T2,T3
0	Covered	T1,T2,T3

---

Assert Coverage for Module : rom_ctrl_counter

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
NonTopCountValid_A	315	315	0	0
TopCountValid_A	315	315	0	0

NonTopCountValid_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	315	315	0	0
T1	1	1	0	0
T2	1	1	0	0
T3	1	1	0	0
T4	1	1	0	0
T5	1	1	0	0
T6	1	1	0	0
T7	1	1	0	0
T8	1	1	0	0
T9	1	1	0	0
T10	1	1	0	0

TopCountValid_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	315	315	0	0
T1	1	1	0	0
T2	1	1	0	0
T3	1	1	0	0
T4	1	1	0	0
T5	1	1	0	0
T6	1	1	0	0
T7	1	1	0	0
T8	1	1	0	0
T9	1	1	0	0
T10	1	1	0	0