Unified Coverage Report :: Module :: flash_phy_rd_buf_dep

Module : flash_phy_rd_buf_dep

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
96.59	100.00	86.36			100.00	100.00

Source File(s) :
/workspaces/repo/scratch/os_regression_2024_08_26/flash_ctrl-sim-vcs/default/sim-vcs/../src/lowrisc_opentitan_top_earlgrey_flash_ctrl_0.1/rtl/flash_phy_rd_buf_dep.sv

Module self-instances :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
tb.dut.u_eflash.gen_flash_cores[0].u_core.u_rd.u_rd_buf_dep	96.59	100.00	86.36			100.00	100.00
tb.dut.u_eflash.gen_flash_cores[1].u_core.u_rd.u_rd_buf_dep	96.59	100.00	86.36			100.00	100.00

---

Module Instance : tb.dut.u_eflash.gen_flash_cores[0].u_core.u_rd.u_rd_buf_dep

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
96.59	100.00	86.36			100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
96.59	100.00	86.36			100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
97.60	100.00	90.39			100.00	100.00	u_rd

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
no children

---

Module Instance : tb.dut.u_eflash.gen_flash_cores[1].u_core.u_rd.u_rd_buf_dep

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
96.59	100.00	86.36			100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
96.59	100.00	86.36			100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
97.82	100.00	91.27			100.00	100.00	u_rd

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
no children

Line Coverage for Module : flash_phy_rd_buf_dep

	Line No.	Total	Covered	Percent
TOTAL		23	23	100.00
ALWAYS	48	7	7	100.00
CONT_ASSIGN	61	1	1	100.00
CONT_ASSIGN	62	1	1	100.00
CONT_ASSIGN	65	1	1	100.00
CONT_ASSIGN	66	1	1	100.00
CONT_ASSIGN	71	1	1	100.00
CONT_ASSIGN	72	1	1	100.00
ALWAYS	76	6	6	100.00
ALWAYS	90	3	3	100.00
CONT_ASSIGN	97	1	1	100.00
ALWAYS	116	0	0

47                        always_comb begin
48         1/1              incr_buf_sel = '0;
           Tests:       T1 T2 T3 
49         1/1              decr_buf_sel = '0;
           Tests:       T1 T2 T3 
50         1/1              for (int unsigned i = 0; i < NumBuf; i++) begin
           Tests:       T1 T2 T3 
51         1/1                if (wr_buf_i[i]) begin
           Tests:       T1 T2 T3 
52         1/1                  incr_buf_sel = buf_mux_cnt[i];
           Tests:       T1 T2 T3 
53                            end
                        MISSING_ELSE
54         1/1                if (rd_buf_i[i]) begin
           Tests:       T1 T2 T3 
55         1/1                  decr_buf_sel = buf_mux_cnt[i];
           Tests:       T1 T2 T3 
56                            end
                        MISSING_ELSE
57                          end
58                        end // always_comb
59                      
60                        logic [BufDepCntWidth-1:0] curr_incr_cnt, curr_decr_cnt;
61         1/1            assign curr_incr_cnt = buf_dependency_cnt[incr_buf_sel];
           Tests:       T1 T2 T3 
62         1/1            assign curr_decr_cnt = buf_dependency_cnt[decr_buf_sel];
           Tests:       T1 T2 T3 
63                      
64                        logic cnt_incr, cnt_decr;
65         1/1            assign cnt_incr = en_i & fifo_wr_i & (curr_incr_cnt < RspOrderDepth);
           Tests:       T1 T2 T3 
66         1/1            assign cnt_decr = en_i & fifo_rd_i & (curr_decr_cnt > '0);
           Tests:       T1 T2 T3 
67                      
68                        //assign cnt_decr = fifo_rd_i & (rsp_fifo_vld & data_valid_o) & (curr_decr_cnt > '0);
69                      
70                        logic fin_cnt_incr, fin_cnt_decr;
71         1/1            assign fin_cnt_incr = (incr_buf_sel == decr_buf_sel) ? cnt_incr && !cnt_decr : cnt_incr;
           Tests:       T1 T2 T3 
72         1/1            assign fin_cnt_decr = (incr_buf_sel == decr_buf_sel) ? !cnt_incr && cnt_decr : cnt_decr;
           Tests:       T1 T2 T3 
73                      
74                        // This tells us which buffer currently has a dependency to an item in the rsp_order_fifo
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                buf_dependency_cnt <= '0;
           Tests:       T1 T2 T3 
78                          end else begin
79         1/1                 if (fin_cnt_incr) begin
           Tests:       T1 T2 T3 
80         1/1                    buf_dependency_cnt[incr_buf_sel] <= curr_incr_cnt + 1'b1;
           Tests:       T1 T2 T3 
81                             end
                        MISSING_ELSE
82         1/1                 if (fin_cnt_decr) begin
           Tests:       T1 T2 T3 
83         1/1                    buf_dependency_cnt[decr_buf_sel] <= curr_decr_cnt - 1'b1;
           Tests:       T1 T2 T3 
84                             end
                        MISSING_ELSE
85                          end
86                        end
87                      
88                        // per buffer dependency determination
89                        always_comb begin
90         1/1              dependency_o = '0;
           Tests:       T1 T2 T3 
91         1/1              for (int i = 0; i < NumBuf; i++) begin
           Tests:       T1 T2 T3 
92         1/1                dependency_o[i] = |buf_dependency_cnt[i];
           Tests:       T1 T2 T3 
93                          end
94                        end
95                      
96                        // all buffer entries currently have a dependency
97         1/1            assign all_dependency_o = &dependency_o;
           Tests:       T1 T2 T3 
98                      
99                      
100                       // If there are more buffers than there are number of response fifo entries, we an never have
101                       // a fully dependent condition
102                       `ASSERT(BufferDepRsp_A, NumBuf > RspOrderDepth |-> ~all_dependency_o)
103                     
104                       // We should never attempt to increment when at max value
105                       `ASSERT(BufferIncrOverFlow_A, en_i & fifo_wr_i |-> curr_incr_cnt < RspOrderDepth)
106                     
107                       // We should never attempt to decrement when at min value
108                       `ASSERT(BufferDecrUnderRun_A, en_i & fifo_rd_i |-> (curr_decr_cnt > '0))
109                     
110                       // The total number of dependent buffers cannot never exceed the size of response queue
111                       `ifdef INC_ASSERT
112                       //VCS coverage off
113                       // pragma coverage off
114                       logic [31:0] assert_cnt;
115                       always_comb begin
116        unreachable      assert_cnt = '0;
117        unreachable      for (int unsigned i = 0; i < NumBuf; i++) begin
118        unreachable        assert_cnt = assert_cnt + dependency_o[i];

---

Cond Coverage for Module : flash_phy_rd_buf_dep

	Total	Covered	Percent
Conditions	22	19	86.36
Logical	22	19	86.36
Non-Logical	0	0
Event	0	0

 LINE       65
 EXPRESSION (en_i & fifo_wr_i & (curr_incr_cnt < flash_phy_pkg::RspOrderDepth))
             --1-   ----2----   -----------------------3----------------------

-1-	-2-	-3-	Status	Tests
0	1	1	Covered	T1,T2,T3
1	0	1	Covered	T1,T2,T3
1	1	0	Not Covered
1	1	1	Covered	T1,T2,T3

 LINE       66
 EXPRESSION (en_i & fifo_rd_i & (curr_decr_cnt > '0))
             --1-   ----2----   ----------3---------

-1-	-2-	-3-	Status	Tests
0	1	1	Not Covered
1	0	1	Covered	T1,T2,T3
1	1	0	Not Covered
1	1	1	Covered	T1,T2,T3

 LINE       71
 EXPRESSION ((incr_buf_sel == decr_buf_sel) ? (cnt_incr && ((!cnt_decr))) : cnt_incr)
             ---------------1--------------

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

 LINE       71
 SUB-EXPRESSION (incr_buf_sel == decr_buf_sel)
                ---------------1--------------

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

 LINE       71
 SUB-EXPRESSION (cnt_incr && ((!cnt_decr)))
                 ----1---    ------2------

-1-	-2-	Status	Tests
0	1	Covered	T1,T2,T3
1	0	Covered	T2,T3,T13
1	1	Covered	T1,T2,T3

 LINE       72
 EXPRESSION ((incr_buf_sel == decr_buf_sel) ? (((!cnt_incr)) && cnt_decr) : cnt_decr)
             ---------------1--------------

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

 LINE       72
 SUB-EXPRESSION (incr_buf_sel == decr_buf_sel)
                ---------------1--------------

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

 LINE       72
 SUB-EXPRESSION (((!cnt_incr)) && cnt_decr)
                 ------1------    ----2---

-1-	-2-	Status	Tests
0	1	Covered	T2,T3,T13
1	0	Covered	T1,T2,T3
1	1	Covered	T1,T2,T3

---

Branch Coverage for Module : flash_phy_rd_buf_dep

	Line No.	Total	Covered	Percent
Branches		13	13	100.00
TERNARY	71	2	2	100.00
TERNARY	72	2	2	100.00
IF	51	2	2	100.00
IF	54	2	2	100.00
IF	76	5	5	100.00

71           assign fin_cnt_incr = (incr_buf_sel == decr_buf_sel) ? cnt_incr && !cnt_decr : cnt_incr;
                                                                  -1-  
                                                                  ==>  
                                                                  ==>  

Branches:

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

72           assign fin_cnt_decr = (incr_buf_sel == decr_buf_sel) ? !cnt_incr && cnt_decr : cnt_decr;
                                                                  -1-  
                                                                  ==>  
                                                                  ==>  

Branches:

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

51               if (wr_buf_i[i]) begin
                 -1-  
52                 incr_buf_sel = buf_mux_cnt[i];
                   ==>
53               end
                 MISSING_ELSE
                 ==>

Branches:

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

54               if (rd_buf_i[i]) begin
                 -1-  
55                 decr_buf_sel = buf_mux_cnt[i];
                   ==>
56               end
                 MISSING_ELSE
                 ==>

Branches:

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

76             if (!rst_ni) begin
               -1-  
77               buf_dependency_cnt <= '0;
                 ==>
78             end else begin
79                if (fin_cnt_incr) begin
                  -2-  
80                   buf_dependency_cnt[incr_buf_sel] <= curr_incr_cnt + 1'b1;
                     ==>
81                end
                  MISSING_ELSE
                  ==>
82                if (fin_cnt_decr) begin
                  -3-  
83                   buf_dependency_cnt[decr_buf_sel] <= curr_decr_cnt - 1'b1;
                     ==>
84                end
                  MISSING_ELSE
                  ==>

Branches:

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

---

Assert Coverage for Module : flash_phy_rd_buf_dep

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	4	4	100.00	4	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	4	4	100.00	4	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
BufferDecrUnderRun_A	750740796	6572350	0	0
BufferDepRsp_A	750740796	749166076	0	0
BufferIncrOverFlow_A	750740796	6572366	0	0
DepBufferRspOrder_A	750740798	16660330	0	0

BufferDecrUnderRun_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	750740796	6572350	0	0
T1	1858	20	0	0
T2	1367	10	0	0
T3	52112	694	0	0
T12	185548	1384	0	0
T13	6124	129	0	0
T14	0	765	0	0
T16	322998	2352	0	0
T17	7162	0	0	0
T18	4780	7	0	0
T19	4596	146	0	0
T20	164470	41	0	0
T23	5492	188	0	0
T50	0	9522	0	0
T58	1993	146	0	0
T62	0	146	0	0
T63	0	977	0	0

BufferDepRsp_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	750740796	749166076	0	0
T1	3716	3578	0	0
T2	2734	2592	0	0
T3	52112	52004	0	0
T12	185548	176366	0	0
T13	6124	5988	0	0
T16	322998	322878	0	0
T17	7162	7040	0	0
T18	4780	4584	0	0
T19	4596	4436	0	0
T20	164470	164210	0	0

BufferIncrOverFlow_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	750740796	6572366	0	0
T1	1858	20	0	0
T2	1367	10	0	0
T3	52112	694	0	0
T12	185548	1384	0	0
T13	6124	129	0	0
T14	0	765	0	0
T16	322998	2352	0	0
T17	7162	0	0	0
T18	4780	7	0	0
T19	4596	146	0	0
T20	164470	42	0	0
T23	5492	188	0	0
T50	0	9522	0	0
T58	1993	146	0	0
T62	0	146	0	0
T63	0	977	0	0

DepBufferRspOrder_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	750740798	16660330	0	0
T1	1858	52	0	0
T2	1367	42	0	0
T3	52112	726	0	0
T12	185548	3272	0	0
T13	6124	161	0	0
T14	0	556	0	0
T16	322998	2384	0	0
T17	7162	32	0	0
T18	4780	39	0	0
T19	4596	178	0	0
T20	164470	73	0	0
T23	5492	188	0	0
T50	0	9522	0	0
T58	1993	0	0	0
T62	0	146	0	0
T63	0	977	0	0

Line Coverage for Instance : tb.dut.u_eflash.gen_flash_cores[0].u_core.u_rd.u_rd_buf_dep

	Line No.	Total	Covered	Percent
TOTAL		23	23	100.00
ALWAYS	48	7	7	100.00
CONT_ASSIGN	61	1	1	100.00
CONT_ASSIGN	62	1	1	100.00
CONT_ASSIGN	65	1	1	100.00
CONT_ASSIGN	66	1	1	100.00
CONT_ASSIGN	71	1	1	100.00
CONT_ASSIGN	72	1	1	100.00
ALWAYS	76	6	6	100.00
ALWAYS	90	3	3	100.00
CONT_ASSIGN	97	1	1	100.00
ALWAYS	116	0	0

47                        always_comb begin
48         1/1              incr_buf_sel = '0;
           Tests:       T1 T2 T3 
49         1/1              decr_buf_sel = '0;
           Tests:       T1 T2 T3 
50         1/1              for (int unsigned i = 0; i < NumBuf; i++) begin
           Tests:       T1 T2 T3 
51         1/1                if (wr_buf_i[i]) begin
           Tests:       T1 T2 T3 
52         1/1                  incr_buf_sel = buf_mux_cnt[i];
           Tests:       T1 T2 T3 
53                            end
                        MISSING_ELSE
54         1/1                if (rd_buf_i[i]) begin
           Tests:       T1 T2 T3 
55         1/1                  decr_buf_sel = buf_mux_cnt[i];
           Tests:       T1 T2 T3 
56                            end
                        MISSING_ELSE
57                          end
58                        end // always_comb
59                      
60                        logic [BufDepCntWidth-1:0] curr_incr_cnt, curr_decr_cnt;
61         1/1            assign curr_incr_cnt = buf_dependency_cnt[incr_buf_sel];
           Tests:       T1 T2 T3 
62         1/1            assign curr_decr_cnt = buf_dependency_cnt[decr_buf_sel];
           Tests:       T1 T2 T3 
63                      
64                        logic cnt_incr, cnt_decr;
65         1/1            assign cnt_incr = en_i & fifo_wr_i & (curr_incr_cnt < RspOrderDepth);
           Tests:       T1 T2 T3 
66         1/1            assign cnt_decr = en_i & fifo_rd_i & (curr_decr_cnt > '0);
           Tests:       T1 T2 T3 
67                      
68                        //assign cnt_decr = fifo_rd_i & (rsp_fifo_vld & data_valid_o) & (curr_decr_cnt > '0);
69                      
70                        logic fin_cnt_incr, fin_cnt_decr;
71         1/1            assign fin_cnt_incr = (incr_buf_sel == decr_buf_sel) ? cnt_incr && !cnt_decr : cnt_incr;
           Tests:       T1 T2 T3 
72         1/1            assign fin_cnt_decr = (incr_buf_sel == decr_buf_sel) ? !cnt_incr && cnt_decr : cnt_decr;
           Tests:       T1 T2 T3 
73                      
74                        // This tells us which buffer currently has a dependency to an item in the rsp_order_fifo
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                buf_dependency_cnt <= '0;
           Tests:       T1 T2 T3 
78                          end else begin
79         1/1                 if (fin_cnt_incr) begin
           Tests:       T1 T2 T3 
80         1/1                    buf_dependency_cnt[incr_buf_sel] <= curr_incr_cnt + 1'b1;
           Tests:       T1 T2 T3 
81                             end
                        MISSING_ELSE
82         1/1                 if (fin_cnt_decr) begin
           Tests:       T1 T2 T3 
83         1/1                    buf_dependency_cnt[decr_buf_sel] <= curr_decr_cnt - 1'b1;
           Tests:       T1 T2 T3 
84                             end
                        MISSING_ELSE
85                          end
86                        end
87                      
88                        // per buffer dependency determination
89                        always_comb begin
90         1/1              dependency_o = '0;
           Tests:       T1 T2 T3 
91         1/1              for (int i = 0; i < NumBuf; i++) begin
           Tests:       T1 T2 T3 
92         1/1                dependency_o[i] = |buf_dependency_cnt[i];
           Tests:       T1 T2 T3 
93                          end
94                        end
95                      
96                        // all buffer entries currently have a dependency
97         1/1            assign all_dependency_o = &dependency_o;
           Tests:       T1 T2 T3 
98                      
99                      
100                       // If there are more buffers than there are number of response fifo entries, we an never have
101                       // a fully dependent condition
102                       `ASSERT(BufferDepRsp_A, NumBuf > RspOrderDepth |-> ~all_dependency_o)
103                     
104                       // We should never attempt to increment when at max value
105                       `ASSERT(BufferIncrOverFlow_A, en_i & fifo_wr_i |-> curr_incr_cnt < RspOrderDepth)
106                     
107                       // We should never attempt to decrement when at min value
108                       `ASSERT(BufferDecrUnderRun_A, en_i & fifo_rd_i |-> (curr_decr_cnt > '0))
109                     
110                       // The total number of dependent buffers cannot never exceed the size of response queue
111                       `ifdef INC_ASSERT
112                       //VCS coverage off
113                       // pragma coverage off
114                       logic [31:0] assert_cnt;
115                       always_comb begin
116        unreachable      assert_cnt = '0;
117        unreachable      for (int unsigned i = 0; i < NumBuf; i++) begin
118        unreachable        assert_cnt = assert_cnt + dependency_o[i];

---

Cond Coverage for Instance : tb.dut.u_eflash.gen_flash_cores[0].u_core.u_rd.u_rd_buf_dep

	Total	Covered	Percent
Conditions	22	19	86.36
Logical	22	19	86.36
Non-Logical	0	0
Event	0	0

 LINE       65
 EXPRESSION (en_i & fifo_wr_i & (curr_incr_cnt < flash_phy_pkg::RspOrderDepth))
             --1-   ----2----   -----------------------3----------------------

-1-	-2-	-3-	Status	Tests
0	1	1	Covered	T1,T2,T3
1	0	1	Covered	T1,T2,T3
1	1	0	Not Covered
1	1	1	Covered	T1,T2,T3

 LINE       66
 EXPRESSION (en_i & fifo_rd_i & (curr_decr_cnt > '0))
             --1-   ----2----   ----------3---------

-1-	-2-	-3-	Status	Tests
0	1	1	Not Covered
1	0	1	Covered	T1,T2,T3
1	1	0	Not Covered
1	1	1	Covered	T1,T2,T3

 LINE       71
 EXPRESSION ((incr_buf_sel == decr_buf_sel) ? (cnt_incr && ((!cnt_decr))) : cnt_incr)
             ---------------1--------------

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

 LINE       71
 SUB-EXPRESSION (incr_buf_sel == decr_buf_sel)
                ---------------1--------------

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

 LINE       71
 SUB-EXPRESSION (cnt_incr && ((!cnt_decr)))
                 ----1---    ------2------

-1-	-2-	Status	Tests
0	1	Covered	T1,T2,T3
1	0	Covered	T2,T3,T13
1	1	Covered	T1,T2,T3

 LINE       72
 EXPRESSION ((incr_buf_sel == decr_buf_sel) ? (((!cnt_incr)) && cnt_decr) : cnt_decr)
             ---------------1--------------

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

 LINE       72
 SUB-EXPRESSION (incr_buf_sel == decr_buf_sel)
                ---------------1--------------

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

 LINE       72
 SUB-EXPRESSION (((!cnt_incr)) && cnt_decr)
                 ------1------    ----2---

-1-	-2-	Status	Tests
0	1	Covered	T2,T3,T13
1	0	Covered	T1,T2,T3
1	1	Covered	T1,T2,T3

---

Branch Coverage for Instance : tb.dut.u_eflash.gen_flash_cores[0].u_core.u_rd.u_rd_buf_dep

	Line No.	Total	Covered	Percent
Branches		13	13	100.00
TERNARY	71	2	2	100.00
TERNARY	72	2	2	100.00
IF	51	2	2	100.00
IF	54	2	2	100.00
IF	76	5	5	100.00

71           assign fin_cnt_incr = (incr_buf_sel == decr_buf_sel) ? cnt_incr && !cnt_decr : cnt_incr;
                                                                  -1-  
                                                                  ==>  
                                                                  ==>  

Branches:

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

72           assign fin_cnt_decr = (incr_buf_sel == decr_buf_sel) ? !cnt_incr && cnt_decr : cnt_decr;
                                                                  -1-  
                                                                  ==>  
                                                                  ==>  

Branches:

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

51               if (wr_buf_i[i]) begin
                 -1-  
52                 incr_buf_sel = buf_mux_cnt[i];
                   ==>
53               end
                 MISSING_ELSE
                 ==>

Branches:

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

54               if (rd_buf_i[i]) begin
                 -1-  
55                 decr_buf_sel = buf_mux_cnt[i];
                   ==>
56               end
                 MISSING_ELSE
                 ==>

Branches:

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

76             if (!rst_ni) begin
               -1-  
77               buf_dependency_cnt <= '0;
                 ==>
78             end else begin
79                if (fin_cnt_incr) begin
                  -2-  
80                   buf_dependency_cnt[incr_buf_sel] <= curr_incr_cnt + 1'b1;
                     ==>
81                end
                  MISSING_ELSE
                  ==>
82                if (fin_cnt_decr) begin
                  -3-  
83                   buf_dependency_cnt[decr_buf_sel] <= curr_decr_cnt - 1'b1;
                     ==>
84                end
                  MISSING_ELSE
                  ==>

Branches:

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

---

Assert Coverage for Instance : tb.dut.u_eflash.gen_flash_cores[0].u_core.u_rd.u_rd_buf_dep

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	4	4	100.00	4	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	4	4	100.00	4	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
BufferDecrUnderRun_A	375370398	3592973	0	0
BufferDepRsp_A	375370398	374583038	0	0
BufferIncrOverFlow_A	375370398	3592983	0	0
DepBufferRspOrder_A	375370398	9111448	0	0

BufferDecrUnderRun_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	375370398	3592973	0	0
T1	1858	20	0	0
T2	1367	10	0	0
T3	26056	194	0	0
T12	92774	1384	0	0
T13	3062	63	0	0
T14	0	209	0	0
T16	161499	1120	0	0
T17	3581	0	0	0
T18	2390	7	0	0
T19	2298	0	0	0
T20	82235	20	0	0
T58	0	146	0	0

BufferDepRsp_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	375370398	374583038	0	0
T1	1858	1789	0	0
T2	1367	1296	0	0
T3	26056	26002	0	0
T12	92774	88183	0	0
T13	3062	2994	0	0
T16	161499	161439	0	0
T17	3581	3520	0	0
T18	2390	2292	0	0
T19	2298	2218	0	0
T20	82235	82105	0	0

BufferIncrOverFlow_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	375370398	3592983	0	0
T1	1858	20	0	0
T2	1367	10	0	0
T3	26056	194	0	0
T12	92774	1384	0	0
T13	3062	63	0	0
T14	0	209	0	0
T16	161499	1120	0	0
T17	3581	0	0	0
T18	2390	7	0	0
T19	2298	0	0	0
T20	82235	21	0	0
T58	0	146	0	0

DepBufferRspOrder_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	375370398	9111448	0	0
T1	1858	52	0	0
T2	1367	42	0	0
T3	26056	226	0	0
T12	92774	3272	0	0
T13	3062	95	0	0
T16	161499	1152	0	0
T17	3581	32	0	0
T18	2390	39	0	0
T19	2298	32	0	0
T20	82235	52	0	0

Line Coverage for Instance : tb.dut.u_eflash.gen_flash_cores[1].u_core.u_rd.u_rd_buf_dep

	Line No.	Total	Covered	Percent
TOTAL		23	23	100.00
ALWAYS	48	7	7	100.00
CONT_ASSIGN	61	1	1	100.00
CONT_ASSIGN	62	1	1	100.00
CONT_ASSIGN	65	1	1	100.00
CONT_ASSIGN	66	1	1	100.00
CONT_ASSIGN	71	1	1	100.00
CONT_ASSIGN	72	1	1	100.00
ALWAYS	76	6	6	100.00
ALWAYS	90	3	3	100.00
CONT_ASSIGN	97	1	1	100.00
ALWAYS	116	0	0

47                        always_comb begin
48         1/1              incr_buf_sel = '0;
           Tests:       T1 T2 T3 
49         1/1              decr_buf_sel = '0;
           Tests:       T1 T2 T3 
50         1/1              for (int unsigned i = 0; i < NumBuf; i++) begin
           Tests:       T1 T2 T3 
51         1/1                if (wr_buf_i[i]) begin
           Tests:       T1 T2 T3 
52         1/1                  incr_buf_sel = buf_mux_cnt[i];
           Tests:       T3 T13 T16 
53                            end
                        MISSING_ELSE
54         1/1                if (rd_buf_i[i]) begin
           Tests:       T1 T2 T3 
55         1/1                  decr_buf_sel = buf_mux_cnt[i];
           Tests:       T3 T13 T16 
56                            end
                        MISSING_ELSE
57                          end
58                        end // always_comb
59                      
60                        logic [BufDepCntWidth-1:0] curr_incr_cnt, curr_decr_cnt;
61         1/1            assign curr_incr_cnt = buf_dependency_cnt[incr_buf_sel];
           Tests:       T1 T2 T3 
62         1/1            assign curr_decr_cnt = buf_dependency_cnt[decr_buf_sel];
           Tests:       T1 T2 T3 
63                      
64                        logic cnt_incr, cnt_decr;
65         1/1            assign cnt_incr = en_i & fifo_wr_i & (curr_incr_cnt < RspOrderDepth);
           Tests:       T1 T2 T3 
66         1/1            assign cnt_decr = en_i & fifo_rd_i & (curr_decr_cnt > '0);
           Tests:       T1 T2 T3 
67                      
68                        //assign cnt_decr = fifo_rd_i & (rsp_fifo_vld & data_valid_o) & (curr_decr_cnt > '0);
69                      
70                        logic fin_cnt_incr, fin_cnt_decr;
71         1/1            assign fin_cnt_incr = (incr_buf_sel == decr_buf_sel) ? cnt_incr && !cnt_decr : cnt_incr;
           Tests:       T1 T2 T3 
72         1/1            assign fin_cnt_decr = (incr_buf_sel == decr_buf_sel) ? !cnt_incr && cnt_decr : cnt_decr;
           Tests:       T1 T2 T3 
73                      
74                        // This tells us which buffer currently has a dependency to an item in the rsp_order_fifo
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                buf_dependency_cnt <= '0;
           Tests:       T1 T2 T3 
78                          end else begin
79         1/1                 if (fin_cnt_incr) begin
           Tests:       T1 T2 T3 
80         1/1                    buf_dependency_cnt[incr_buf_sel] <= curr_incr_cnt + 1'b1;
           Tests:       T3 T13 T16 
81                             end
                        MISSING_ELSE
82         1/1                 if (fin_cnt_decr) begin
           Tests:       T1 T2 T3 
83         1/1                    buf_dependency_cnt[decr_buf_sel] <= curr_decr_cnt - 1'b1;
           Tests:       T3 T13 T16 
84                             end
                        MISSING_ELSE
85                          end
86                        end
87                      
88                        // per buffer dependency determination
89                        always_comb begin
90         1/1              dependency_o = '0;
           Tests:       T1 T2 T3 
91         1/1              for (int i = 0; i < NumBuf; i++) begin
           Tests:       T1 T2 T3 
92         1/1                dependency_o[i] = |buf_dependency_cnt[i];
           Tests:       T1 T2 T3 
93                          end
94                        end
95                      
96                        // all buffer entries currently have a dependency
97         1/1            assign all_dependency_o = &dependency_o;
           Tests:       T1 T2 T3 
98                      
99                      
100                       // If there are more buffers than there are number of response fifo entries, we an never have
101                       // a fully dependent condition
102                       `ASSERT(BufferDepRsp_A, NumBuf > RspOrderDepth |-> ~all_dependency_o)
103                     
104                       // We should never attempt to increment when at max value
105                       `ASSERT(BufferIncrOverFlow_A, en_i & fifo_wr_i |-> curr_incr_cnt < RspOrderDepth)
106                     
107                       // We should never attempt to decrement when at min value
108                       `ASSERT(BufferDecrUnderRun_A, en_i & fifo_rd_i |-> (curr_decr_cnt > '0))
109                     
110                       // The total number of dependent buffers cannot never exceed the size of response queue
111                       `ifdef INC_ASSERT
112                       //VCS coverage off
113                       // pragma coverage off
114                       logic [31:0] assert_cnt;
115                       always_comb begin
116        unreachable      assert_cnt = '0;
117        unreachable      for (int unsigned i = 0; i < NumBuf; i++) begin
118        unreachable        assert_cnt = assert_cnt + dependency_o[i];

---

Cond Coverage for Instance : tb.dut.u_eflash.gen_flash_cores[1].u_core.u_rd.u_rd_buf_dep

	Total	Covered	Percent
Conditions	22	19	86.36
Logical	22	19	86.36
Non-Logical	0	0
Event	0	0

 LINE       65
 EXPRESSION (en_i & fifo_wr_i & (curr_incr_cnt < flash_phy_pkg::RspOrderDepth))
             --1-   ----2----   -----------------------3----------------------

-1-	-2-	-3-	Status	Tests
0	1	1	Covered	T118,T116,T82
1	0	1	Covered	T1,T2,T3
1	1	0	Not Covered
1	1	1	Covered	T3,T13,T16

 LINE       66
 EXPRESSION (en_i & fifo_rd_i & (curr_decr_cnt > '0))
             --1-   ----2----   ----------3---------

-1-	-2-	-3-	Status	Tests
0	1	1	Not Covered
1	0	1	Covered	T3,T13,T16
1	1	0	Not Covered
1	1	1	Covered	T3,T13,T16

 LINE       71
 EXPRESSION ((incr_buf_sel == decr_buf_sel) ? (cnt_incr && ((!cnt_decr))) : cnt_incr)
             ---------------1--------------

-1-	Status	Tests
0	Covered	T3,T13,T16
1	Covered	T1,T2,T3

 LINE       71
 SUB-EXPRESSION (incr_buf_sel == decr_buf_sel)
                ---------------1--------------

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

 LINE       71
 SUB-EXPRESSION (cnt_incr && ((!cnt_decr)))
                 ----1---    ------2------

-1-	-2-	Status	Tests
0	1	Covered	T1,T2,T3
1	0	Covered	T3,T23,T14
1	1	Covered	T3,T13,T16

 LINE       72
 EXPRESSION ((incr_buf_sel == decr_buf_sel) ? (((!cnt_incr)) && cnt_decr) : cnt_decr)
             ---------------1--------------

-1-	Status	Tests
0	Covered	T3,T13,T16
1	Covered	T1,T2,T3

 LINE       72
 SUB-EXPRESSION (incr_buf_sel == decr_buf_sel)
                ---------------1--------------

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

 LINE       72
 SUB-EXPRESSION (((!cnt_incr)) && cnt_decr)
                 ------1------    ----2---

-1-	-2-	Status	Tests
0	1	Covered	T3,T23,T14
1	0	Covered	T1,T2,T3
1	1	Covered	T3,T13,T16

---

Branch Coverage for Instance : tb.dut.u_eflash.gen_flash_cores[1].u_core.u_rd.u_rd_buf_dep

	Line No.	Total	Covered	Percent
Branches		13	13	100.00
TERNARY	71	2	2	100.00
TERNARY	72	2	2	100.00
IF	51	2	2	100.00
IF	54	2	2	100.00
IF	76	5	5	100.00

71           assign fin_cnt_incr = (incr_buf_sel == decr_buf_sel) ? cnt_incr && !cnt_decr : cnt_incr;
                                                                  -1-  
                                                                  ==>  
                                                                  ==>  

Branches:

-1-	Status	Tests
1	Covered	T1,T2,T3
0	Covered	T3,T13,T16

72           assign fin_cnt_decr = (incr_buf_sel == decr_buf_sel) ? !cnt_incr && cnt_decr : cnt_decr;
                                                                  -1-  
                                                                  ==>  
                                                                  ==>  

Branches:

-1-	Status	Tests
1	Covered	T1,T2,T3
0	Covered	T3,T13,T16

51               if (wr_buf_i[i]) begin
                 -1-  
52                 incr_buf_sel = buf_mux_cnt[i];
                   ==>
53               end
                 MISSING_ELSE
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T3,T13,T16
0	Covered	T1,T2,T3

54               if (rd_buf_i[i]) begin
                 -1-  
55                 decr_buf_sel = buf_mux_cnt[i];
                   ==>
56               end
                 MISSING_ELSE
                 ==>

Branches:

-1-	Status	Tests
1	Covered	T3,T13,T16
0	Covered	T1,T2,T3

76             if (!rst_ni) begin
               -1-  
77               buf_dependency_cnt <= '0;
                 ==>
78             end else begin
79                if (fin_cnt_incr) begin
                  -2-  
80                   buf_dependency_cnt[incr_buf_sel] <= curr_incr_cnt + 1'b1;
                     ==>
81                end
                  MISSING_ELSE
                  ==>
82                if (fin_cnt_decr) begin
                  -3-  
83                   buf_dependency_cnt[decr_buf_sel] <= curr_decr_cnt - 1'b1;
                     ==>
84                end
                  MISSING_ELSE
                  ==>

Branches:

-1-	-2-	-3-	Status	Tests
1	-	-	Covered	T1,T2,T3
0	1	-	Covered	T3,T13,T16
0	0	-	Covered	T1,T2,T3
0	-	1	Covered	T3,T13,T16
0	-	0	Covered	T1,T2,T3

---

Assert Coverage for Instance : tb.dut.u_eflash.gen_flash_cores[1].u_core.u_rd.u_rd_buf_dep

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	4	4	100.00	4	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	4	4	100.00	4	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
BufferDecrUnderRun_A	375370398	2979377	0	0
BufferDepRsp_A	375370398	374583038	0	0
BufferIncrOverFlow_A	375370398	2979383	0	0
DepBufferRspOrder_A	375370400	7548882	0	0

BufferDecrUnderRun_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	375370398	2979377	0	0
T3	26056	500	0	0
T12	92774	0	0	0
T13	3062	66	0	0
T14	0	556	0	0
T16	161499	1232	0	0
T17	3581	0	0	0
T18	2390	0	0	0
T19	2298	146	0	0
T20	82235	21	0	0
T23	5492	188	0	0
T50	0	9522	0	0
T58	1993	0	0	0
T62	0	146	0	0
T63	0	977	0	0

BufferDepRsp_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	375370398	374583038	0	0
T1	1858	1789	0	0
T2	1367	1296	0	0
T3	26056	26002	0	0
T12	92774	88183	0	0
T13	3062	2994	0	0
T16	161499	161439	0	0
T17	3581	3520	0	0
T18	2390	2292	0	0
T19	2298	2218	0	0
T20	82235	82105	0	0

BufferIncrOverFlow_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	375370398	2979383	0	0
T3	26056	500	0	0
T12	92774	0	0	0
T13	3062	66	0	0
T14	0	556	0	0
T16	161499	1232	0	0
T17	3581	0	0	0
T18	2390	0	0	0
T19	2298	146	0	0
T20	82235	21	0	0
T23	5492	188	0	0
T50	0	9522	0	0
T58	1993	0	0	0
T62	0	146	0	0
T63	0	977	0	0

DepBufferRspOrder_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	375370400	7548882	0	0
T3	26056	500	0	0
T12	92774	0	0	0
T13	3062	66	0	0
T14	0	556	0	0
T16	161499	1232	0	0
T17	3581	0	0	0
T18	2390	0	0	0
T19	2298	146	0	0
T20	82235	21	0	0
T23	5492	188	0	0
T50	0	9522	0	0
T58	1993	0	0	0
T62	0	146	0	0
T63	0	977	0	0