Module Definition
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Module : flash_phy_rd_buf_dep
SCORELINECONDTOGGLEFSMBRANCHASSERT
96.59 100.00 86.36 100.00 100.00

Source File(s) :
/workspaces/repo/scratch/os_regression_2024_08_22/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 :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
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 :
SCORELINECONDTOGGLEFSMBRANCHASSERT
96.59 100.00 86.36 100.00 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
96.59 100.00 86.36 100.00 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
97.60 100.00 90.39 100.00 100.00 u_rd


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
no children


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

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
96.59 100.00 86.36 100.00 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
96.59 100.00 86.36 100.00 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
97.65 100.00 90.61 100.00 100.00 u_rd


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
no children

Line Coverage for Module : flash_phy_rd_buf_dep
Line No.TotalCoveredPercent
TOTAL2323100.00
ALWAYS4877100.00
CONT_ASSIGN6111100.00
CONT_ASSIGN6211100.00
CONT_ASSIGN6511100.00
CONT_ASSIGN6611100.00
CONT_ASSIGN7111100.00
CONT_ASSIGN7211100.00
ALWAYS7666100.00
ALWAYS9033100.00
CONT_ASSIGN9711100.00
ALWAYS11600


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
TotalCoveredPercent
Conditions221986.36
Logical221986.36
Non-Logical00
Event00

 LINE       65
 EXPRESSION (en_i & fifo_wr_i & (curr_incr_cnt < flash_phy_pkg::RspOrderDepth))
             --1-   ----2----   -----------------------3----------------------
-1--2--3-StatusTests
011CoveredT1,T2,T3
101CoveredT1,T2,T3
110Not Covered
111CoveredT1,T2,T3 

 LINE       66
 EXPRESSION (en_i & fifo_rd_i & (curr_decr_cnt > '0))
             --1-   ----2----   ----------3---------
-1--2--3-StatusTests
011Not Covered
101CoveredT1,T2,T3
110Not Covered
111CoveredT1,T2,T3 

 LINE       71
 EXPRESSION ((incr_buf_sel == decr_buf_sel) ? (cnt_incr && ((!cnt_decr))) : cnt_incr)
             ---------------1--------------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT1,T2,T3 

 LINE       71
 SUB-EXPRESSION (incr_buf_sel == decr_buf_sel)
                ---------------1--------------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT1,T2,T3 

 LINE       71
 SUB-EXPRESSION (cnt_incr && ((!cnt_decr)))
                 ----1---    ------2------
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT1,T13,T14
11CoveredT1,T2,T3 

 LINE       72
 EXPRESSION ((incr_buf_sel == decr_buf_sel) ? (((!cnt_incr)) && cnt_decr) : cnt_decr)
             ---------------1--------------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT1,T2,T3 

 LINE       72
 SUB-EXPRESSION (incr_buf_sel == decr_buf_sel)
                ---------------1--------------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT1,T2,T3 

 LINE       72
 SUB-EXPRESSION (((!cnt_incr)) && cnt_decr)
                 ------1------    ----2---
-1--2-StatusTests
01CoveredT1,T13,T14
10CoveredT1,T2,T3
11CoveredT1,T2,T3
Branch Coverage for Module : flash_phy_rd_buf_dep
Line No.TotalCoveredPercent
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-StatusTests
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-StatusTests
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-StatusTests
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-StatusTests
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-StatusTests
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
TotalAttemptedPercentSucceeded/MatchedPercent
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

NameAttemptsReal SuccessesFailuresIncomplete
BufferDecrUnderRun_A 769728838 6699643 0 0
BufferDepRsp_A 769728838 768061634 0 0
BufferIncrOverFlow_A 769728838 6699658 0 0
DepBufferRspOrder_A 769728842 16094950 0 0


BufferDecrUnderRun_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 769728838 6699643 0 0
T1 1636 10 0 0
T2 1951 20 0 0
T3 6764 48 0 0
T7 8492 0 0 0
T13 47420 671 0 0
T14 12492 312 0 0
T15 6830 117 0 0
T18 5892 24 0 0
T19 971822 5704 0 0
T20 140716 190 0 0
T32 0 1105 0 0
T41 0 9758 0 0
T48 0 2468 0 0
T49 0 22 0 0
T52 0 10531 0 0
T65 1935 146 0 0
T66 3620 0 0 0

BufferDepRsp_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 769728838 768061634 0 0
T1 3272 3124 0 0
T2 3902 3752 0 0
T3 6764 6620 0 0
T7 8492 7188 0 0
T13 47420 47280 0 0
T14 12492 12296 0 0
T15 6830 6714 0 0
T18 5892 5724 0 0
T19 971822 935742 0 0
T20 140716 140562 0 0

BufferIncrOverFlow_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 769728838 6699658 0 0
T1 1636 10 0 0
T2 1951 20 0 0
T3 6764 48 0 0
T7 8492 0 0 0
T13 47420 671 0 0
T14 12492 312 0 0
T15 6830 117 0 0
T18 5892 24 0 0
T19 971822 5704 0 0
T20 140716 190 0 0
T32 0 1105 0 0
T41 0 9758 0 0
T48 0 2468 0 0
T49 0 22 0 0
T52 0 10531 0 0
T65 1935 146 0 0
T66 3620 0 0 0

DepBufferRspOrder_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 769728842 16094950 0 0
T1 1636 42 0 0
T2 1951 52 0 0
T3 6764 80 0 0
T7 8492 176 0 0
T13 47420 703 0 0
T14 12492 344 0 0
T15 6830 149 0 0
T18 5892 56 0 0
T19 971822 13416 0 0
T20 140716 222 0 0
T32 0 1105 0 0
T41 0 9758 0 0
T48 0 1484 0 0
T49 0 22 0 0
T52 0 10531 0 0
T65 1935 146 0 0
T66 3620 0 0 0

Line Coverage for Instance : tb.dut.u_eflash.gen_flash_cores[0].u_core.u_rd.u_rd_buf_dep
Line No.TotalCoveredPercent
TOTAL2323100.00
ALWAYS4877100.00
CONT_ASSIGN6111100.00
CONT_ASSIGN6211100.00
CONT_ASSIGN6511100.00
CONT_ASSIGN6611100.00
CONT_ASSIGN7111100.00
CONT_ASSIGN7211100.00
ALWAYS7666100.00
ALWAYS9033100.00
CONT_ASSIGN9711100.00
ALWAYS11600


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
TotalCoveredPercent
Conditions221986.36
Logical221986.36
Non-Logical00
Event00

 LINE       65
 EXPRESSION (en_i & fifo_wr_i & (curr_incr_cnt < flash_phy_pkg::RspOrderDepth))
             --1-   ----2----   -----------------------3----------------------
-1--2--3-StatusTests
011CoveredT1,T2,T3
101CoveredT1,T2,T3
110Not Covered
111CoveredT1,T2,T3 

 LINE       66
 EXPRESSION (en_i & fifo_rd_i & (curr_decr_cnt > '0))
             --1-   ----2----   ----------3---------
-1--2--3-StatusTests
011Not Covered
101CoveredT1,T2,T3
110Not Covered
111CoveredT1,T2,T3 

 LINE       71
 EXPRESSION ((incr_buf_sel == decr_buf_sel) ? (cnt_incr && ((!cnt_decr))) : cnt_incr)
             ---------------1--------------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT1,T2,T3 

 LINE       71
 SUB-EXPRESSION (incr_buf_sel == decr_buf_sel)
                ---------------1--------------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT1,T2,T3 

 LINE       71
 SUB-EXPRESSION (cnt_incr && ((!cnt_decr)))
                 ----1---    ------2------
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT1,T13,T14
11CoveredT1,T2,T3 

 LINE       72
 EXPRESSION ((incr_buf_sel == decr_buf_sel) ? (((!cnt_incr)) && cnt_decr) : cnt_decr)
             ---------------1--------------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT1,T2,T3 

 LINE       72
 SUB-EXPRESSION (incr_buf_sel == decr_buf_sel)
                ---------------1--------------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT1,T2,T3 

 LINE       72
 SUB-EXPRESSION (((!cnt_incr)) && cnt_decr)
                 ------1------    ----2---
-1--2-StatusTests
01CoveredT1,T13,T14
10CoveredT1,T2,T3
11CoveredT1,T2,T3
Branch Coverage for Instance : tb.dut.u_eflash.gen_flash_cores[0].u_core.u_rd.u_rd_buf_dep
Line No.TotalCoveredPercent
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-StatusTests
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-StatusTests
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-StatusTests
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-StatusTests
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-StatusTests
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
TotalAttemptedPercentSucceeded/MatchedPercent
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

NameAttemptsReal SuccessesFailuresIncomplete
BufferDecrUnderRun_A 384864419 3156182 0 0
BufferDepRsp_A 384864419 384030817 0 0
BufferIncrOverFlow_A 384864419 3156189 0 0
DepBufferRspOrder_A 384864421 8094012 0 0


BufferDecrUnderRun_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 384864419 3156182 0 0
T1 1636 10 0 0
T2 1951 20 0 0
T3 3382 36 0 0
T7 4246 0 0 0
T13 23710 248 0 0
T14 6246 174 0 0
T15 3415 94 0 0
T18 2946 24 0 0
T19 485911 5704 0 0
T20 70358 190 0 0
T48 0 984 0 0

BufferDepRsp_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 384864419 384030817 0 0
T1 1636 1562 0 0
T2 1951 1876 0 0
T3 3382 3310 0 0
T7 4246 3594 0 0
T13 23710 23640 0 0
T14 6246 6148 0 0
T15 3415 3357 0 0
T18 2946 2862 0 0
T19 485911 467871 0 0
T20 70358 70281 0 0

BufferIncrOverFlow_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 384864419 3156189 0 0
T1 1636 10 0 0
T2 1951 20 0 0
T3 3382 36 0 0
T7 4246 0 0 0
T13 23710 248 0 0
T14 6246 174 0 0
T15 3415 94 0 0
T18 2946 24 0 0
T19 485911 5704 0 0
T20 70358 190 0 0
T48 0 984 0 0

DepBufferRspOrder_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 384864421 8094012 0 0
T1 1636 42 0 0
T2 1951 52 0 0
T3 3382 68 0 0
T7 4246 176 0 0
T13 23710 280 0 0
T14 6246 206 0 0
T15 3415 126 0 0
T18 2946 56 0 0
T19 485911 13416 0 0
T20 70358 222 0 0

Line Coverage for Instance : tb.dut.u_eflash.gen_flash_cores[1].u_core.u_rd.u_rd_buf_dep
Line No.TotalCoveredPercent
TOTAL2323100.00
ALWAYS4877100.00
CONT_ASSIGN6111100.00
CONT_ASSIGN6211100.00
CONT_ASSIGN6511100.00
CONT_ASSIGN6611100.00
CONT_ASSIGN7111100.00
CONT_ASSIGN7211100.00
ALWAYS7666100.00
ALWAYS9033100.00
CONT_ASSIGN9711100.00
ALWAYS11600


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 T14 
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 T14 
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 T14 
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 T14 
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
TotalCoveredPercent
Conditions221986.36
Logical221986.36
Non-Logical00
Event00

 LINE       65
 EXPRESSION (en_i & fifo_wr_i & (curr_incr_cnt < flash_phy_pkg::RspOrderDepth))
             --1-   ----2----   -----------------------3----------------------
-1--2--3-StatusTests
011CoveredT118,T122,T85
101CoveredT1,T2,T3
110Not Covered
111CoveredT3,T13,T14 

 LINE       66
 EXPRESSION (en_i & fifo_rd_i & (curr_decr_cnt > '0))
             --1-   ----2----   ----------3---------
-1--2--3-StatusTests
011Not Covered
101CoveredT3,T13,T14
110Not Covered
111CoveredT3,T13,T14 

 LINE       71
 EXPRESSION ((incr_buf_sel == decr_buf_sel) ? (cnt_incr && ((!cnt_decr))) : cnt_incr)
             ---------------1--------------
-1-StatusTests
0CoveredT3,T13,T14
1CoveredT1,T2,T3 

 LINE       71
 SUB-EXPRESSION (incr_buf_sel == decr_buf_sel)
                ---------------1--------------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT1,T2,T3 

 LINE       71
 SUB-EXPRESSION (cnt_incr && ((!cnt_decr)))
                 ----1---    ------2------
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT13,T14,T15
11CoveredT3,T13,T14 

 LINE       72
 EXPRESSION ((incr_buf_sel == decr_buf_sel) ? (((!cnt_incr)) && cnt_decr) : cnt_decr)
             ---------------1--------------
-1-StatusTests
0CoveredT3,T13,T14
1CoveredT1,T2,T3 

 LINE       72
 SUB-EXPRESSION (incr_buf_sel == decr_buf_sel)
                ---------------1--------------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT1,T2,T3 

 LINE       72
 SUB-EXPRESSION (((!cnt_incr)) && cnt_decr)
                 ------1------    ----2---
-1--2-StatusTests
01CoveredT13,T14,T15
10CoveredT1,T2,T3
11CoveredT3,T13,T14
Branch Coverage for Instance : tb.dut.u_eflash.gen_flash_cores[1].u_core.u_rd.u_rd_buf_dep
Line No.TotalCoveredPercent
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-StatusTests
1 Covered T1,T2,T3
0 Covered T3,T13,T14 



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

Branches:
-1-StatusTests
1 Covered T1,T2,T3
0 Covered T3,T13,T14 



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

Branches:
-1-StatusTests
1 Covered T3,T13,T14
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-StatusTests
1 Covered T3,T13,T14
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-StatusTests
1 - - Covered T1,T2,T3
0 1 - Covered T3,T13,T14
0 0 - Covered T1,T2,T3
0 - 1 Covered T3,T13,T14
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
TotalAttemptedPercentSucceeded/MatchedPercent
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

NameAttemptsReal SuccessesFailuresIncomplete
BufferDecrUnderRun_A 384864419 3543461 0 0
BufferDepRsp_A 384864419 384030817 0 0
BufferIncrOverFlow_A 384864419 3543469 0 0
DepBufferRspOrder_A 384864421 8000938 0 0


BufferDecrUnderRun_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 384864419 3543461 0 0
T3 3382 12 0 0
T7 4246 0 0 0
T13 23710 423 0 0
T14 6246 138 0 0
T15 3415 23 0 0
T18 2946 0 0 0
T19 485911 0 0 0
T20 70358 0 0 0
T32 0 1105 0 0
T41 0 9758 0 0
T48 0 1484 0 0
T49 0 22 0 0
T52 0 10531 0 0
T65 1935 146 0 0
T66 3620 0 0 0

BufferDepRsp_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 384864419 384030817 0 0
T1 1636 1562 0 0
T2 1951 1876 0 0
T3 3382 3310 0 0
T7 4246 3594 0 0
T13 23710 23640 0 0
T14 6246 6148 0 0
T15 3415 3357 0 0
T18 2946 2862 0 0
T19 485911 467871 0 0
T20 70358 70281 0 0

BufferIncrOverFlow_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 384864419 3543469 0 0
T3 3382 12 0 0
T7 4246 0 0 0
T13 23710 423 0 0
T14 6246 138 0 0
T15 3415 23 0 0
T18 2946 0 0 0
T19 485911 0 0 0
T20 70358 0 0 0
T32 0 1105 0 0
T41 0 9758 0 0
T48 0 1484 0 0
T49 0 22 0 0
T52 0 10531 0 0
T65 1935 146 0 0
T66 3620 0 0 0

DepBufferRspOrder_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 384864421 8000938 0 0
T3 3382 12 0 0
T7 4246 0 0 0
T13 23710 423 0 0
T14 6246 138 0 0
T15 3415 23 0 0
T18 2946 0 0 0
T19 485911 0 0 0
T20 70358 0 0 0
T32 0 1105 0 0
T41 0 9758 0 0
T48 0 1484 0 0
T49 0 22 0 0
T52 0 10531 0 0
T65 1935 146 0 0
T66 3620 0 0 0

0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%