Line Coverage for Module : 
prim_arbiter_ppc ( parameter N=3,DW=75,EnDataPort=1,IdxW=2 + N=5,DW=75,EnDataPort=1,IdxW=3 ) 
Line Coverage for Module self-instances : 
 | Line No. | Total | Covered | Percent | 
| TOTAL |  | 22 | 22 | 100.00 | 
| CONT_ASSIGN | 55 | 0 | 0 |  | 
| CONT_ASSIGN | 75 | 1 | 1 | 100.00 | 
| CONT_ASSIGN | 76 | 1 | 1 | 100.00 | 
| ALWAYS | 82 | 3 | 3 | 100.00 | 
| CONT_ASSIGN | 89 | 1 | 1 | 100.00 | 
| CONT_ASSIGN | 90 | 1 | 1 | 100.00 | 
| CONT_ASSIGN | 92 | 1 | 1 | 100.00 | 
| CONT_ASSIGN | 94 | 1 | 1 | 100.00 | 
| ALWAYS | 96 | 5 | 5 | 100.00 | 
| ALWAYS | 109 | 4 | 4 | 100.00 | 
| ALWAYS | 124 | 4 | 4 | 100.00 | 
54                        logic unused_req_chk;
55         unreachable    assign unused_req_chk = req_chk_i;
56                      
57                        `ASSERT_INIT(CheckNGreaterZero_A, N > 0)
58                      
59                        // this case is basically just a bypass
60                        if (N == 1) begin : gen_degenerate_case
61                      
62                          assign valid_o  = req_i[0];
63                          assign data_o   = data_i[0];
64                          assign gnt_o[0] = valid_o & ready_i;
65                          assign idx_o    = '0;
66                      
67                        end else begin : gen_normal_case
68                      
69                          logic [N-1:0] masked_req;
70                          logic [N-1:0] ppc_out;
71                          logic [N-1:0] arb_req;
72                          logic [N-1:0] mask, mask_next;
73                          logic [N-1:0] winner;
74                      
75         1/1              assign masked_req = mask & req_i;
           Tests:       T1 T2 T3 
76         1/1              assign arb_req = (|masked_req) ? masked_req : req_i;
           Tests:       T1 T2 T3 
77                      
78                          // PPC
79                          //   Even below code looks O(n) but DC optimizes it to O(log(N))
80                          //   Using Parallel Prefix Computation
81                          always_comb begin
82         1/1                ppc_out[0] = arb_req[0];
           Tests:       T1 T2 T3 
83         1/1                for (int i = 1 ; i < N ; i++) begin
           Tests:       T1 T2 T3 
84         1/1                  ppc_out[i] = ppc_out[i-1] | arb_req[i];
           Tests:       T1 T2 T3 
85                            end
86                          end
87                      
88                          // Grant Generation: Leading-One detector
89         1/1              assign winner = ppc_out ^ {ppc_out[N-2:0], 1'b0};
           Tests:       T1 T2 T3 
90         1/1              assign gnt_o    = (ready_i) ? winner : '0;
           Tests:       T1 T2 T3 
91                      
92         1/1              assign valid_o = |req_i;
           Tests:       T1 T2 T3 
93                          // Mask Generation
94         1/1              assign mask_next = {ppc_out[N-2:0], 1'b0};
           Tests:       T1 T2 T3 
95                          always_ff @(posedge clk_i or negedge rst_ni) begin
96         1/1                if (!rst_ni) begin
           Tests:       T1 T2 T3 
97         1/1                  mask <= '0;
           Tests:       T1 T2 T3 
98         1/1                end else if (valid_o && ready_i) begin
           Tests:       T1 T2 T3 
99                              // Latch only when requests accepted
100        1/1                  mask <= mask_next;
           Tests:       T5 T6 T7 
101        1/1                end else if (valid_o && !ready_i) begin
           Tests:       T1 T2 T3 
102                             // Downstream isn't yet ready so, keep current request alive. (First come first serve)
103        unreachable          mask <= ppc_out;
104                           end
                        MISSING_ELSE
105                         end
106                     
107                         if (EnDataPort == 1) begin: gen_datapath
108                           always_comb begin
109        1/1                  data_o = '0;
           Tests:       T1 T2 T3 
110        1/1                  for (int i = 0 ; i < N ; i++) begin
           Tests:       T1 T2 T3 
111        1/1                    if (winner[i]) begin
           Tests:       T1 T2 T3 
112        1/1                      data_o = data_i[i];
           Tests:       T5 T6 T7 
113                               end
                        MISSING_ELSE
114                             end
115                           end
116                         end else begin: gen_nodatapath
117                           assign data_o = '1;
118                           // The following signal is used to avoid possible lint errors.
119                           logic [DW-1:0] unused_data [N];
120                           assign unused_data = data_i;
121                         end
122                     
123                         always_comb begin
124        1/1                idx_o = '0;
           Tests:       T1 T2 T3 
125        1/1                for (int unsigned i = 0 ; i < N ; i++) begin
           Tests:       T1 T2 T3 
126        1/1                  if (winner[i]) begin
           Tests:       T1 T2 T3 
127        1/1                    idx_o = i[IdxW-1:0];
           Tests:       T5 T6 T7 
128                             end
                        MISSING_ELSE
Line Coverage for Module : 
prim_arbiter_ppc ( parameter N=2,DW=75,EnDataPort=1,IdxW=1 ) 
Line Coverage for Module self-instances : 
 | Line No. | Total | Covered | Percent | 
| TOTAL |  | 22 | 22 | 100.00 | 
| CONT_ASSIGN | 55 | 0 | 0 |  | 
| CONT_ASSIGN | 75 | 1 | 1 | 100.00 | 
| CONT_ASSIGN | 76 | 1 | 1 | 100.00 | 
| ALWAYS | 82 | 3 | 3 | 100.00 | 
| CONT_ASSIGN | 89 | 1 | 1 | 100.00 | 
| CONT_ASSIGN | 90 | 1 | 1 | 100.00 | 
| CONT_ASSIGN | 92 | 1 | 1 | 100.00 | 
| CONT_ASSIGN | 94 | 1 | 1 | 100.00 | 
| ALWAYS | 96 | 5 | 5 | 100.00 | 
| ALWAYS | 109 | 4 | 4 | 100.00 | 
| ALWAYS | 124 | 4 | 4 | 100.00 | 
54                        logic unused_req_chk;
55         unreachable    assign unused_req_chk = req_chk_i;
56                      
57                        `ASSERT_INIT(CheckNGreaterZero_A, N > 0)
58                      
59                        // this case is basically just a bypass
60                        if (N == 1) begin : gen_degenerate_case
61                      
62                          assign valid_o  = req_i[0];
63                          assign data_o   = data_i[0];
64                          assign gnt_o[0] = valid_o & ready_i;
65                          assign idx_o    = '0;
66                      
67                        end else begin : gen_normal_case
68                      
69                          logic [N-1:0] masked_req;
70                          logic [N-1:0] ppc_out;
71                          logic [N-1:0] arb_req;
72                          logic [N-1:0] mask, mask_next;
73                          logic [N-1:0] winner;
74                      
75         1/1              assign masked_req = mask & req_i;
           Tests:       T1 T2 T3 
76         1/1              assign arb_req = (|masked_req) ? masked_req : req_i;
           Tests:       T1 T2 T3 
77                      
78                          // PPC
79                          //   Even below code looks O(n) but DC optimizes it to O(log(N))
80                          //   Using Parallel Prefix Computation
81                          always_comb begin
82         1/1                ppc_out[0] = arb_req[0];
           Tests:       T1 T2 T3 
83         1/1                for (int i = 1 ; i < N ; i++) begin
           Tests:       T1 T2 T3 
84         1/1                  ppc_out[i] = ppc_out[i-1] | arb_req[i];
           Tests:       T1 T2 T3 
85                            end
86                          end
87                      
88                          // Grant Generation: Leading-One detector
89         1/1              assign winner = ppc_out ^ {ppc_out[N-2:0], 1'b0};
           Tests:       T1 T2 T3 
90         1/1              assign gnt_o    = (ready_i) ? winner : '0;
           Tests:       T1 T2 T3 
91                      
92         1/1              assign valid_o = |req_i;
           Tests:       T1 T2 T3 
93                          // Mask Generation
94         1/1              assign mask_next = {ppc_out[N-2:0], 1'b0};
           Tests:       T1 T2 T3 
95                          always_ff @(posedge clk_i or negedge rst_ni) begin
96         1/1                if (!rst_ni) begin
           Tests:       T1 T2 T3 
97         1/1                  mask <= '0;
           Tests:       T1 T2 T3 
98         1/1                end else if (valid_o && ready_i) begin
           Tests:       T1 T4 T5 
99                              // Latch only when requests accepted
100        1/1                  mask <= mask_next;
           Tests:       T5 T11 T13 
101        1/1                end else if (valid_o && !ready_i) begin
           Tests:       T1 T4 T5 
102                             // Downstream isn't yet ready so, keep current request alive. (First come first serve)
103        unreachable          mask <= ppc_out;
104                           end
                        MISSING_ELSE
105                         end
106                     
107                         if (EnDataPort == 1) begin: gen_datapath
108                           always_comb begin
109        1/1                  data_o = '0;
           Tests:       T1 T2 T3 
110        1/1                  for (int i = 0 ; i < N ; i++) begin
           Tests:       T1 T2 T3 
111        1/1                    if (winner[i]) begin
           Tests:       T1 T2 T3 
112        1/1                      data_o = data_i[i];
           Tests:       T5 T11 T13 
113                               end
                        MISSING_ELSE
114                             end
115                           end
116                         end else begin: gen_nodatapath
117                           assign data_o = '1;
118                           // The following signal is used to avoid possible lint errors.
119                           logic [DW-1:0] unused_data [N];
120                           assign unused_data = data_i;
121                         end
122                     
123                         always_comb begin
124        1/1                idx_o = '0;
           Tests:       T1 T2 T3 
125        1/1                for (int unsigned i = 0 ; i < N ; i++) begin
           Tests:       T1 T2 T3 
126        1/1                  if (winner[i]) begin
           Tests:       T1 T2 T3 
127        1/1                    idx_o = i[IdxW-1:0];
           Tests:       T5 T11 T13 
128                             end
                        MISSING_ELSE
Cond Coverage for Module : 
prim_arbiter_ppc ( parameter N=2,DW=75,EnDataPort=1,IdxW=1 ) 
Cond Coverage for Module self-instances : 
 | Total | Covered | Percent | 
| Conditions | 9 | 7 | 77.78 | 
| Logical | 9 | 7 | 77.78 | 
| Non-Logical | 0 | 0 |  | 
| Event | 0 | 0 |  | 
 LINE       76
 EXPRESSION (((|gen_normal_case.masked_req)) ? gen_normal_case.masked_req : req_i)
             ---------------1---------------
| -1- | Status | Tests |                       
| 0 | Covered | T1,T2,T3 | 
| 1 | Not Covered |  | 
 LINE       84
 EXPRESSION (gen_normal_case.ppc_out[(i - 1)] | gen_normal_case.arb_req[i])
             ----------------1---------------   -------------2------------
| -1- | -2- | Status | Tests |                       
| 0 | 0 | Covered | T1,T2,T3 | 
| 0 | 1 | Covered | T5,T11,T13 | 
| 1 | 0 | Covered | T5,T11,T13 | 
 LINE       90
 EXPRESSION (ready_i ? gen_normal_case.winner : '0)
             ---1---
| -1- | Status | Tests |                       
| 0 | Unreachable |  | 
| 1 | Covered | T1,T2,T3 | 
 LINE       98
 EXPRESSION (valid_o && ready_i)
             ---1---    ---2---
| -1- | -2- | Status | Tests |                       
| 0 | 1 | Covered | T1,T4,T5 | 
| 1 | 0 | Unreachable |  | 
| 1 | 1 | Covered | T5,T11,T13 | 
 LINE       101
 EXPRESSION (valid_o && ((!ready_i)))
             ---1---    ------2-----
| -1- | -2- | Status | Tests |                       
| 0 | 1 | Unreachable |  | 
| 1 | 0 | Not Covered |  | 
| 1 | 1 | Unreachable |  | 
Cond Coverage for Module : 
prim_arbiter_ppc ( parameter N=3,DW=75,EnDataPort=1,IdxW=2 ) 
Cond Coverage for Module self-instances : 
 | Total | Covered | Percent | 
| Conditions | 9 | 8 | 88.89 | 
| Logical | 9 | 8 | 88.89 | 
| Non-Logical | 0 | 0 |  | 
| Event | 0 | 0 |  | 
 LINE       76
 EXPRESSION (((|gen_normal_case.masked_req)) ? gen_normal_case.masked_req : req_i)
             ---------------1---------------
| -1- | Status | Tests |                       
| 0 | Covered | T1,T2,T3 | 
| 1 | Covered | T42,T43,T52 | 
 LINE       84
 EXPRESSION (gen_normal_case.ppc_out[(i - 1)] | gen_normal_case.arb_req[i])
             ----------------1---------------   -------------2------------
| -1- | -2- | Status | Tests |                       
| 0 | 0 | Covered | T1,T2,T3 | 
| 0 | 1 | Covered | T42,T43,T52 | 
| 1 | 0 | Covered | T42,T43,T52 | 
 LINE       90
 EXPRESSION (ready_i ? gen_normal_case.winner : '0)
             ---1---
| -1- | Status | Tests |                       
| 0 | Unreachable |  | 
| 1 | Covered | T1,T2,T3 | 
 LINE       98
 EXPRESSION (valid_o && ready_i)
             ---1---    ---2---
| -1- | -2- | Status | Tests |                       
| 0 | 1 | Covered | T6,T7,T8 | 
| 1 | 0 | Unreachable |  | 
| 1 | 1 | Covered | T42,T43,T52 | 
 LINE       101
 EXPRESSION (valid_o && ((!ready_i)))
             ---1---    ------2-----
| -1- | -2- | Status | Tests |                       
| 0 | 1 | Unreachable |  | 
| 1 | 0 | Not Covered |  | 
| 1 | 1 | Unreachable |  | 
Cond Coverage for Module : 
prim_arbiter_ppc ( parameter N=5,DW=75,EnDataPort=1,IdxW=3 ) 
Cond Coverage for Module self-instances : 
 | Total | Covered | Percent | 
| Conditions | 9 | 8 | 88.89 | 
| Logical | 9 | 8 | 88.89 | 
| Non-Logical | 0 | 0 |  | 
| Event | 0 | 0 |  | 
 LINE       76
 EXPRESSION (((|gen_normal_case.masked_req)) ? gen_normal_case.masked_req : req_i)
             ---------------1---------------
| -1- | Status | Tests |                       
| 0 | Covered | T1,T2,T3 | 
| 1 | Covered | T5,T11,T13 | 
 LINE       84
 EXPRESSION (gen_normal_case.ppc_out[(i - 1)] | gen_normal_case.arb_req[i])
             ----------------1---------------   -------------2------------
| -1- | -2- | Status | Tests |                       
| 0 | 0 | Covered | T1,T2,T3 | 
| 0 | 1 | Covered | T5,T11,T13 | 
| 1 | 0 | Covered | T5,T6,T7 | 
 LINE       90
 EXPRESSION (ready_i ? gen_normal_case.winner : '0)
             ---1---
| -1- | Status | Tests |                       
| 0 | Unreachable |  | 
| 1 | Covered | T1,T2,T3 | 
 LINE       98
 EXPRESSION (valid_o && ready_i)
             ---1---    ---2---
| -1- | -2- | Status | Tests |                       
| 0 | 1 | Covered | T1,T2,T3 | 
| 1 | 0 | Unreachable |  | 
| 1 | 1 | Covered | T5,T6,T7 | 
 LINE       101
 EXPRESSION (valid_o && ((!ready_i)))
             ---1---    ------2-----
| -1- | -2- | Status | Tests |                       
| 0 | 1 | Unreachable |  | 
| 1 | 0 | Not Covered |  | 
| 1 | 1 | Unreachable |  | 
Branch Coverage for Module : 
prim_arbiter_ppc
 | Line No. | Total | Covered | Percent | 
| Branches | 
 | 
10 | 
10 | 
100.00 | 
| TERNARY | 
76 | 
2 | 
2 | 
100.00 | 
| TERNARY | 
90 | 
1 | 
1 | 
100.00 | 
| IF | 
96 | 
3 | 
3 | 
100.00 | 
| IF | 
126 | 
2 | 
2 | 
100.00 | 
| IF | 
111 | 
2 | 
2 | 
100.00 | 
76             assign arb_req = (|masked_req) ? masked_req : req_i;
                                              -1-  
                                              ==>  
                                              ==>  
Branches:
| -1- | Status | Tests | 
| 1 | 
Covered | 
T5,T11,T13 | 
| 0 | 
Covered | 
T1,T2,T3 | 
90             assign gnt_o    = (ready_i) ? winner : '0;
                                           -1-  
                                           ==>  
                                           ==> (Unreachable)  
Branches:
| -1- | Status | Tests | 
| 1 | 
Covered | 
T1,T2,T3 | 
| 0 | 
Unreachable | 
 | 
96               if (!rst_ni) begin
                 -1-  
97                 mask <= '0;
                   ==>
98               end else if (valid_o && ready_i) begin
                          -2-  
99                 // Latch only when requests accepted
100                mask <= mask_next;
                   ==>
101              end else if (valid_o && !ready_i) begin
                          -3-  
102                // Downstream isn't yet ready so, keep current request alive. (First come first serve)
103                mask <= ppc_out;
                   ==> (Unreachable)
104              end
                 MISSING_ELSE
                 ==>
Branches:
| -1- | -2- | -3- | Status | Tests | 
| 1 | 
- | 
- | 
Covered | 
T1,T2,T3 | 
| 0 | 
1 | 
- | 
Covered | 
T5,T6,T11 | 
| 0 | 
0 | 
1 | 
Unreachable | 
 | 
| 0 | 
0 | 
0 | 
Covered | 
T1,T2,T4 | 
126                if (winner[i]) begin
                   -1-  
127                  idx_o = i[IdxW-1:0];
                     ==>
128                end
                   MISSING_ELSE
                   ==>
Branches:
| -1- | Status | Tests | 
| 1 | 
Covered | 
T5,T6,T11 | 
| 0 | 
Covered | 
T1,T2,T3 | 
111                  if (winner[i]) begin
                     -1-  
112                    data_o = data_i[i];
                       ==>
113                  end
                     MISSING_ELSE
                     ==>
Branches:
| -1- | Status | Tests | 
| 1 | 
Covered | 
T5,T6,T11 | 
| 0 | 
Covered | 
T1,T2,T3 | 
Assert Coverage for Module : 
prim_arbiter_ppc
Assertion Details
CheckHotOne_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
761380461 | 
610681775 | 
0 | 
0 | 
| T1 | 
4135 | 
3777 | 
0 | 
0 | 
| T2 | 
1305 | 
1228 | 
0 | 
0 | 
| T3 | 
1321 | 
1234 | 
0 | 
0 | 
| T4 | 
8286 | 
8203 | 
0 | 
0 | 
| T5 | 
10645 | 
10264 | 
0 | 
0 | 
| T6 | 
154169 | 
91663 | 
0 | 
0 | 
| T7 | 
14251 | 
12856 | 
0 | 
0 | 
| T8 | 
45016 | 
30925 | 
0 | 
0 | 
| T9 | 
3090 | 
3031 | 
0 | 
0 | 
| T10 | 
5714 | 
4162 | 
0 | 
0 | 
| T11 | 
145282 | 
70992 | 
0 | 
0 | 
| T13 | 
520950 | 
257880 | 
0 | 
0 | 
| T14 | 
842 | 
360 | 
0 | 
0 | 
| T15 | 
5136 | 
2568 | 
0 | 
0 | 
| T16 | 
30290 | 
29328 | 
0 | 
0 | 
| T17 | 
17278 | 
17278 | 
0 | 
0 | 
| T19 | 
1568 | 
1568 | 
0 | 
0 | 
| T21 | 
0 | 
123990 | 
0 | 
0 | 
| T25 | 
0 | 
115904 | 
0 | 
0 | 
| T26 | 
0 | 
216 | 
0 | 
0 | 
| T27 | 
0 | 
105272 | 
0 | 
0 | 
CheckNGreaterZero_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
2868 | 
2868 | 
0 | 
0 | 
| T1 | 
3 | 
3 | 
0 | 
0 | 
| T2 | 
3 | 
3 | 
0 | 
0 | 
| T3 | 
3 | 
3 | 
0 | 
0 | 
| T4 | 
3 | 
3 | 
0 | 
0 | 
| T5 | 
3 | 
3 | 
0 | 
0 | 
| T6 | 
3 | 
3 | 
0 | 
0 | 
| T7 | 
3 | 
3 | 
0 | 
0 | 
| T8 | 
3 | 
3 | 
0 | 
0 | 
| T9 | 
3 | 
3 | 
0 | 
0 | 
| T10 | 
3 | 
3 | 
0 | 
0 | 
GntImpliesReady_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
761380461 | 
3758459 | 
0 | 
0 | 
| T5 | 
10645 | 
332 | 
0 | 
0 | 
| T6 | 
91836 | 
832 | 
0 | 
0 | 
| T7 | 
12939 | 
832 | 
0 | 
0 | 
| T8 | 
31009 | 
832 | 
0 | 
0 | 
| T9 | 
3090 | 
0 | 
0 | 
0 | 
| T10 | 
5714 | 
0 | 
0 | 
0 | 
| T11 | 
164187 | 
2463 | 
0 | 
0 | 
| T12 | 
1975 | 
0 | 
0 | 
0 | 
| T13 | 
423777 | 
7178 | 
0 | 
0 | 
| T14 | 
421 | 
0 | 
0 | 
0 | 
| T15 | 
2568 | 
225 | 
0 | 
0 | 
| T16 | 
30290 | 
832 | 
0 | 
0 | 
| T17 | 
17278 | 
832 | 
0 | 
0 | 
| T36 | 
817 | 
0 | 
0 | 
0 | 
| T37 | 
0 | 
832 | 
0 | 
0 | 
| T38 | 
0 | 
94 | 
0 | 
0 | 
| T42 | 
56992 | 
1544 | 
0 | 
0 | 
| T43 | 
0 | 
1290 | 
0 | 
0 | 
| T44 | 
0 | 
35 | 
0 | 
0 | 
| T45 | 
96201 | 
3589 | 
0 | 
0 | 
| T46 | 
0 | 
119 | 
0 | 
0 | 
| T48 | 
0 | 
2562 | 
0 | 
0 | 
| T50 | 
9362 | 
0 | 
0 | 
0 | 
| T52 | 
0 | 
3109 | 
0 | 
0 | 
| T60 | 
0 | 
6 | 
0 | 
0 | 
| T68 | 
0 | 
2125 | 
0 | 
0 | 
| T69 | 
0 | 
9 | 
0 | 
0 | 
| T70 | 
26466 | 
0 | 
0 | 
0 | 
| T71 | 
1182 | 
0 | 
0 | 
0 | 
| T72 | 
14544 | 
0 | 
0 | 
0 | 
| T73 | 
16592 | 
0 | 
0 | 
0 | 
GntImpliesValid_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
761380461 | 
3758459 | 
0 | 
0 | 
| T5 | 
10645 | 
332 | 
0 | 
0 | 
| T6 | 
91836 | 
832 | 
0 | 
0 | 
| T7 | 
12939 | 
832 | 
0 | 
0 | 
| T8 | 
31009 | 
832 | 
0 | 
0 | 
| T9 | 
3090 | 
0 | 
0 | 
0 | 
| T10 | 
5714 | 
0 | 
0 | 
0 | 
| T11 | 
164187 | 
2463 | 
0 | 
0 | 
| T12 | 
1975 | 
0 | 
0 | 
0 | 
| T13 | 
423777 | 
7178 | 
0 | 
0 | 
| T14 | 
421 | 
0 | 
0 | 
0 | 
| T15 | 
2568 | 
225 | 
0 | 
0 | 
| T16 | 
30290 | 
832 | 
0 | 
0 | 
| T17 | 
17278 | 
832 | 
0 | 
0 | 
| T36 | 
817 | 
0 | 
0 | 
0 | 
| T37 | 
0 | 
832 | 
0 | 
0 | 
| T38 | 
0 | 
94 | 
0 | 
0 | 
| T42 | 
56992 | 
1544 | 
0 | 
0 | 
| T43 | 
0 | 
1290 | 
0 | 
0 | 
| T44 | 
0 | 
35 | 
0 | 
0 | 
| T45 | 
96201 | 
3589 | 
0 | 
0 | 
| T46 | 
0 | 
119 | 
0 | 
0 | 
| T48 | 
0 | 
2562 | 
0 | 
0 | 
| T50 | 
9362 | 
0 | 
0 | 
0 | 
| T52 | 
0 | 
3109 | 
0 | 
0 | 
| T60 | 
0 | 
6 | 
0 | 
0 | 
| T68 | 
0 | 
2125 | 
0 | 
0 | 
| T69 | 
0 | 
9 | 
0 | 
0 | 
| T70 | 
26466 | 
0 | 
0 | 
0 | 
| T71 | 
1182 | 
0 | 
0 | 
0 | 
| T72 | 
14544 | 
0 | 
0 | 
0 | 
| T73 | 
16592 | 
0 | 
0 | 
0 | 
GrantKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
761380461 | 
610681775 | 
0 | 
0 | 
| T1 | 
4135 | 
3777 | 
0 | 
0 | 
| T2 | 
1305 | 
1228 | 
0 | 
0 | 
| T3 | 
1321 | 
1234 | 
0 | 
0 | 
| T4 | 
8286 | 
8203 | 
0 | 
0 | 
| T5 | 
10645 | 
10264 | 
0 | 
0 | 
| T6 | 
154169 | 
91663 | 
0 | 
0 | 
| T7 | 
14251 | 
12856 | 
0 | 
0 | 
| T8 | 
45016 | 
30925 | 
0 | 
0 | 
| T9 | 
3090 | 
3031 | 
0 | 
0 | 
| T10 | 
5714 | 
4162 | 
0 | 
0 | 
| T11 | 
145282 | 
70992 | 
0 | 
0 | 
| T13 | 
520950 | 
257880 | 
0 | 
0 | 
| T14 | 
842 | 
360 | 
0 | 
0 | 
| T15 | 
5136 | 
2568 | 
0 | 
0 | 
| T16 | 
30290 | 
29328 | 
0 | 
0 | 
| T17 | 
17278 | 
17278 | 
0 | 
0 | 
| T19 | 
1568 | 
1568 | 
0 | 
0 | 
| T21 | 
0 | 
123990 | 
0 | 
0 | 
| T25 | 
0 | 
115904 | 
0 | 
0 | 
| T26 | 
0 | 
216 | 
0 | 
0 | 
| T27 | 
0 | 
105272 | 
0 | 
0 | 
IdxKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
761380461 | 
610681775 | 
0 | 
0 | 
| T1 | 
4135 | 
3777 | 
0 | 
0 | 
| T2 | 
1305 | 
1228 | 
0 | 
0 | 
| T3 | 
1321 | 
1234 | 
0 | 
0 | 
| T4 | 
8286 | 
8203 | 
0 | 
0 | 
| T5 | 
10645 | 
10264 | 
0 | 
0 | 
| T6 | 
154169 | 
91663 | 
0 | 
0 | 
| T7 | 
14251 | 
12856 | 
0 | 
0 | 
| T8 | 
45016 | 
30925 | 
0 | 
0 | 
| T9 | 
3090 | 
3031 | 
0 | 
0 | 
| T10 | 
5714 | 
4162 | 
0 | 
0 | 
| T11 | 
145282 | 
70992 | 
0 | 
0 | 
| T13 | 
520950 | 
257880 | 
0 | 
0 | 
| T14 | 
842 | 
360 | 
0 | 
0 | 
| T15 | 
5136 | 
2568 | 
0 | 
0 | 
| T16 | 
30290 | 
29328 | 
0 | 
0 | 
| T17 | 
17278 | 
17278 | 
0 | 
0 | 
| T19 | 
1568 | 
1568 | 
0 | 
0 | 
| T21 | 
0 | 
123990 | 
0 | 
0 | 
| T25 | 
0 | 
115904 | 
0 | 
0 | 
| T26 | 
0 | 
216 | 
0 | 
0 | 
| T27 | 
0 | 
105272 | 
0 | 
0 | 
IndexIsCorrect_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
761380461 | 
3758459 | 
0 | 
0 | 
| T5 | 
10645 | 
332 | 
0 | 
0 | 
| T6 | 
91836 | 
832 | 
0 | 
0 | 
| T7 | 
12939 | 
832 | 
0 | 
0 | 
| T8 | 
31009 | 
832 | 
0 | 
0 | 
| T9 | 
3090 | 
0 | 
0 | 
0 | 
| T10 | 
5714 | 
0 | 
0 | 
0 | 
| T11 | 
164187 | 
2463 | 
0 | 
0 | 
| T12 | 
1975 | 
0 | 
0 | 
0 | 
| T13 | 
423777 | 
7178 | 
0 | 
0 | 
| T14 | 
421 | 
0 | 
0 | 
0 | 
| T15 | 
2568 | 
225 | 
0 | 
0 | 
| T16 | 
30290 | 
832 | 
0 | 
0 | 
| T17 | 
17278 | 
832 | 
0 | 
0 | 
| T36 | 
817 | 
0 | 
0 | 
0 | 
| T37 | 
0 | 
832 | 
0 | 
0 | 
| T38 | 
0 | 
94 | 
0 | 
0 | 
| T42 | 
56992 | 
1544 | 
0 | 
0 | 
| T43 | 
0 | 
1290 | 
0 | 
0 | 
| T44 | 
0 | 
35 | 
0 | 
0 | 
| T45 | 
96201 | 
3589 | 
0 | 
0 | 
| T46 | 
0 | 
119 | 
0 | 
0 | 
| T48 | 
0 | 
2562 | 
0 | 
0 | 
| T50 | 
9362 | 
0 | 
0 | 
0 | 
| T52 | 
0 | 
3109 | 
0 | 
0 | 
| T60 | 
0 | 
6 | 
0 | 
0 | 
| T68 | 
0 | 
2125 | 
0 | 
0 | 
| T69 | 
0 | 
9 | 
0 | 
0 | 
| T70 | 
26466 | 
0 | 
0 | 
0 | 
| T71 | 
1182 | 
0 | 
0 | 
0 | 
| T72 | 
14544 | 
0 | 
0 | 
0 | 
| T73 | 
16592 | 
0 | 
0 | 
0 | 
LockArbDecision_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
761380461 | 
0 | 
0 | 
0 | 
NoReadyValidNoGrant_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
761380461 | 
0 | 
0 | 
0 | 
ReadyAndValidImplyGrant_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
761380461 | 
3758459 | 
0 | 
0 | 
| T5 | 
10645 | 
332 | 
0 | 
0 | 
| T6 | 
91836 | 
832 | 
0 | 
0 | 
| T7 | 
12939 | 
832 | 
0 | 
0 | 
| T8 | 
31009 | 
832 | 
0 | 
0 | 
| T9 | 
3090 | 
0 | 
0 | 
0 | 
| T10 | 
5714 | 
0 | 
0 | 
0 | 
| T11 | 
164187 | 
2463 | 
0 | 
0 | 
| T12 | 
1975 | 
0 | 
0 | 
0 | 
| T13 | 
423777 | 
7178 | 
0 | 
0 | 
| T14 | 
421 | 
0 | 
0 | 
0 | 
| T15 | 
2568 | 
225 | 
0 | 
0 | 
| T16 | 
30290 | 
832 | 
0 | 
0 | 
| T17 | 
17278 | 
832 | 
0 | 
0 | 
| T36 | 
817 | 
0 | 
0 | 
0 | 
| T37 | 
0 | 
832 | 
0 | 
0 | 
| T38 | 
0 | 
94 | 
0 | 
0 | 
| T42 | 
56992 | 
1544 | 
0 | 
0 | 
| T43 | 
0 | 
1290 | 
0 | 
0 | 
| T44 | 
0 | 
35 | 
0 | 
0 | 
| T45 | 
96201 | 
3589 | 
0 | 
0 | 
| T46 | 
0 | 
119 | 
0 | 
0 | 
| T48 | 
0 | 
2562 | 
0 | 
0 | 
| T50 | 
9362 | 
0 | 
0 | 
0 | 
| T52 | 
0 | 
3109 | 
0 | 
0 | 
| T60 | 
0 | 
6 | 
0 | 
0 | 
| T68 | 
0 | 
2125 | 
0 | 
0 | 
| T69 | 
0 | 
9 | 
0 | 
0 | 
| T70 | 
26466 | 
0 | 
0 | 
0 | 
| T71 | 
1182 | 
0 | 
0 | 
0 | 
| T72 | 
14544 | 
0 | 
0 | 
0 | 
| T73 | 
16592 | 
0 | 
0 | 
0 | 
ReqAndReadyImplyGrant_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
761380461 | 
3758459 | 
0 | 
0 | 
| T5 | 
10645 | 
332 | 
0 | 
0 | 
| T6 | 
91836 | 
832 | 
0 | 
0 | 
| T7 | 
12939 | 
832 | 
0 | 
0 | 
| T8 | 
31009 | 
832 | 
0 | 
0 | 
| T9 | 
3090 | 
0 | 
0 | 
0 | 
| T10 | 
5714 | 
0 | 
0 | 
0 | 
| T11 | 
164187 | 
2463 | 
0 | 
0 | 
| T12 | 
1975 | 
0 | 
0 | 
0 | 
| T13 | 
423777 | 
7178 | 
0 | 
0 | 
| T14 | 
421 | 
0 | 
0 | 
0 | 
| T15 | 
2568 | 
225 | 
0 | 
0 | 
| T16 | 
30290 | 
832 | 
0 | 
0 | 
| T17 | 
17278 | 
832 | 
0 | 
0 | 
| T36 | 
817 | 
0 | 
0 | 
0 | 
| T37 | 
0 | 
832 | 
0 | 
0 | 
| T38 | 
0 | 
94 | 
0 | 
0 | 
| T42 | 
56992 | 
1544 | 
0 | 
0 | 
| T43 | 
0 | 
1290 | 
0 | 
0 | 
| T44 | 
0 | 
35 | 
0 | 
0 | 
| T45 | 
96201 | 
3589 | 
0 | 
0 | 
| T46 | 
0 | 
119 | 
0 | 
0 | 
| T48 | 
0 | 
2562 | 
0 | 
0 | 
| T50 | 
9362 | 
0 | 
0 | 
0 | 
| T52 | 
0 | 
3109 | 
0 | 
0 | 
| T60 | 
0 | 
6 | 
0 | 
0 | 
| T68 | 
0 | 
2125 | 
0 | 
0 | 
| T69 | 
0 | 
9 | 
0 | 
0 | 
| T70 | 
26466 | 
0 | 
0 | 
0 | 
| T71 | 
1182 | 
0 | 
0 | 
0 | 
| T72 | 
14544 | 
0 | 
0 | 
0 | 
| T73 | 
16592 | 
0 | 
0 | 
0 | 
ReqImpliesValid_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
761380461 | 
3758459 | 
0 | 
0 | 
| T5 | 
10645 | 
332 | 
0 | 
0 | 
| T6 | 
91836 | 
832 | 
0 | 
0 | 
| T7 | 
12939 | 
832 | 
0 | 
0 | 
| T8 | 
31009 | 
832 | 
0 | 
0 | 
| T9 | 
3090 | 
0 | 
0 | 
0 | 
| T10 | 
5714 | 
0 | 
0 | 
0 | 
| T11 | 
164187 | 
2463 | 
0 | 
0 | 
| T12 | 
1975 | 
0 | 
0 | 
0 | 
| T13 | 
423777 | 
7178 | 
0 | 
0 | 
| T14 | 
421 | 
0 | 
0 | 
0 | 
| T15 | 
2568 | 
225 | 
0 | 
0 | 
| T16 | 
30290 | 
832 | 
0 | 
0 | 
| T17 | 
17278 | 
832 | 
0 | 
0 | 
| T36 | 
817 | 
0 | 
0 | 
0 | 
| T37 | 
0 | 
832 | 
0 | 
0 | 
| T38 | 
0 | 
94 | 
0 | 
0 | 
| T42 | 
56992 | 
1544 | 
0 | 
0 | 
| T43 | 
0 | 
1290 | 
0 | 
0 | 
| T44 | 
0 | 
35 | 
0 | 
0 | 
| T45 | 
96201 | 
3589 | 
0 | 
0 | 
| T46 | 
0 | 
119 | 
0 | 
0 | 
| T48 | 
0 | 
2562 | 
0 | 
0 | 
| T50 | 
9362 | 
0 | 
0 | 
0 | 
| T52 | 
0 | 
3109 | 
0 | 
0 | 
| T60 | 
0 | 
6 | 
0 | 
0 | 
| T68 | 
0 | 
2125 | 
0 | 
0 | 
| T69 | 
0 | 
9 | 
0 | 
0 | 
| T70 | 
26466 | 
0 | 
0 | 
0 | 
| T71 | 
1182 | 
0 | 
0 | 
0 | 
| T72 | 
14544 | 
0 | 
0 | 
0 | 
| T73 | 
16592 | 
0 | 
0 | 
0 | 
ReqStaysHighUntilGranted0_M
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
761380461 | 
0 | 
0 | 
0 | 
RoundRobin_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
761380461 | 
2 | 
0 | 
956 | 
| T74 | 
432399 | 
1 | 
0 | 
1 | 
| T75 | 
458756 | 
1 | 
0 | 
1 | 
| T76 | 
696616 | 
0 | 
0 | 
1 | 
| T77 | 
532621 | 
0 | 
0 | 
1 | 
| T78 | 
741960 | 
0 | 
0 | 
1 | 
| T79 | 
895048 | 
0 | 
0 | 
1 | 
| T80 | 
100837 | 
0 | 
0 | 
1 | 
ValidKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
761380461 | 
610681775 | 
0 | 
0 | 
| T1 | 
4135 | 
3777 | 
0 | 
0 | 
| T2 | 
1305 | 
1228 | 
0 | 
0 | 
| T3 | 
1321 | 
1234 | 
0 | 
0 | 
| T4 | 
8286 | 
8203 | 
0 | 
0 | 
| T5 | 
10645 | 
10264 | 
0 | 
0 | 
| T6 | 
154169 | 
91663 | 
0 | 
0 | 
| T7 | 
14251 | 
12856 | 
0 | 
0 | 
| T8 | 
45016 | 
30925 | 
0 | 
0 | 
| T9 | 
3090 | 
3031 | 
0 | 
0 | 
| T10 | 
5714 | 
4162 | 
0 | 
0 | 
| T11 | 
145282 | 
70992 | 
0 | 
0 | 
| T13 | 
520950 | 
257880 | 
0 | 
0 | 
| T14 | 
842 | 
360 | 
0 | 
0 | 
| T15 | 
5136 | 
2568 | 
0 | 
0 | 
| T16 | 
30290 | 
29328 | 
0 | 
0 | 
| T17 | 
17278 | 
17278 | 
0 | 
0 | 
| T19 | 
1568 | 
1568 | 
0 | 
0 | 
| T21 | 
0 | 
123990 | 
0 | 
0 | 
| T25 | 
0 | 
115904 | 
0 | 
0 | 
| T26 | 
0 | 
216 | 
0 | 
0 | 
| T27 | 
0 | 
105272 | 
0 | 
0 | 
gen_data_port_assertion.DataFlow_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
761380461 | 
3758459 | 
0 | 
0 | 
| T5 | 
10645 | 
332 | 
0 | 
0 | 
| T6 | 
91836 | 
832 | 
0 | 
0 | 
| T7 | 
12939 | 
832 | 
0 | 
0 | 
| T8 | 
31009 | 
832 | 
0 | 
0 | 
| T9 | 
3090 | 
0 | 
0 | 
0 | 
| T10 | 
5714 | 
0 | 
0 | 
0 | 
| T11 | 
164187 | 
2463 | 
0 | 
0 | 
| T12 | 
1975 | 
0 | 
0 | 
0 | 
| T13 | 
423777 | 
7178 | 
0 | 
0 | 
| T14 | 
421 | 
0 | 
0 | 
0 | 
| T15 | 
2568 | 
225 | 
0 | 
0 | 
| T16 | 
30290 | 
832 | 
0 | 
0 | 
| T17 | 
17278 | 
832 | 
0 | 
0 | 
| T36 | 
817 | 
0 | 
0 | 
0 | 
| T37 | 
0 | 
832 | 
0 | 
0 | 
| T38 | 
0 | 
94 | 
0 | 
0 | 
| T42 | 
56992 | 
1544 | 
0 | 
0 | 
| T43 | 
0 | 
1290 | 
0 | 
0 | 
| T44 | 
0 | 
35 | 
0 | 
0 | 
| T45 | 
96201 | 
3589 | 
0 | 
0 | 
| T46 | 
0 | 
119 | 
0 | 
0 | 
| T48 | 
0 | 
2562 | 
0 | 
0 | 
| T50 | 
9362 | 
0 | 
0 | 
0 | 
| T52 | 
0 | 
3109 | 
0 | 
0 | 
| T60 | 
0 | 
6 | 
0 | 
0 | 
| T68 | 
0 | 
2125 | 
0 | 
0 | 
| T69 | 
0 | 
9 | 
0 | 
0 | 
| T70 | 
26466 | 
0 | 
0 | 
0 | 
| T71 | 
1182 | 
0 | 
0 | 
0 | 
| T72 | 
14544 | 
0 | 
0 | 
0 | 
| T73 | 
16592 | 
0 | 
0 | 
0 | 
 
Line Coverage for Instance : tb.dut.u_spi_tpm.u_arbiter.gen_arb_ppc.u_reqarb
 | Line No. | Total | Covered | Percent | 
| TOTAL |  | 22 | 22 | 100.00 | 
| CONT_ASSIGN | 55 | 0 | 0 |  | 
| CONT_ASSIGN | 75 | 1 | 1 | 100.00 | 
| CONT_ASSIGN | 76 | 1 | 1 | 100.00 | 
| ALWAYS | 82 | 3 | 3 | 100.00 | 
| CONT_ASSIGN | 89 | 1 | 1 | 100.00 | 
| CONT_ASSIGN | 90 | 1 | 1 | 100.00 | 
| CONT_ASSIGN | 92 | 1 | 1 | 100.00 | 
| CONT_ASSIGN | 94 | 1 | 1 | 100.00 | 
| ALWAYS | 96 | 5 | 5 | 100.00 | 
| ALWAYS | 109 | 4 | 4 | 100.00 | 
| ALWAYS | 124 | 4 | 4 | 100.00 | 
54                        logic unused_req_chk;
55         unreachable    assign unused_req_chk = req_chk_i;
56                      
57                        `ASSERT_INIT(CheckNGreaterZero_A, N > 0)
58                      
59                        // this case is basically just a bypass
60                        if (N == 1) begin : gen_degenerate_case
61                      
62                          assign valid_o  = req_i[0];
63                          assign data_o   = data_i[0];
64                          assign gnt_o[0] = valid_o & ready_i;
65                          assign idx_o    = '0;
66                      
67                        end else begin : gen_normal_case
68                      
69                          logic [N-1:0] masked_req;
70                          logic [N-1:0] ppc_out;
71                          logic [N-1:0] arb_req;
72                          logic [N-1:0] mask, mask_next;
73                          logic [N-1:0] winner;
74                      
75         1/1              assign masked_req = mask & req_i;
           Tests:       T1 T2 T3 
76         1/1              assign arb_req = (|masked_req) ? masked_req : req_i;
           Tests:       T1 T2 T3 
77                      
78                          // PPC
79                          //   Even below code looks O(n) but DC optimizes it to O(log(N))
80                          //   Using Parallel Prefix Computation
81                          always_comb begin
82         1/1                ppc_out[0] = arb_req[0];
           Tests:       T1 T2 T3 
83         1/1                for (int i = 1 ; i < N ; i++) begin
           Tests:       T1 T2 T3 
84         1/1                  ppc_out[i] = ppc_out[i-1] | arb_req[i];
           Tests:       T1 T2 T3 
85                            end
86                          end
87                      
88                          // Grant Generation: Leading-One detector
89         1/1              assign winner = ppc_out ^ {ppc_out[N-2:0], 1'b0};
           Tests:       T1 T2 T3 
90         1/1              assign gnt_o    = (ready_i) ? winner : '0;
           Tests:       T1 T2 T3 
91                      
92         1/1              assign valid_o = |req_i;
           Tests:       T1 T2 T3 
93                          // Mask Generation
94         1/1              assign mask_next = {ppc_out[N-2:0], 1'b0};
           Tests:       T1 T2 T3 
95                          always_ff @(posedge clk_i or negedge rst_ni) begin
96         1/1                if (!rst_ni) begin
           Tests:       T1 T2 T3 
97         1/1                  mask <= '0;
           Tests:       T1 T2 T3 
98         1/1                end else if (valid_o && ready_i) begin
           Tests:       T1 T4 T5 
99                              // Latch only when requests accepted
100        1/1                  mask <= mask_next;
           Tests:       T5 T11 T13 
101        1/1                end else if (valid_o && !ready_i) begin
           Tests:       T1 T4 T5 
102                             // Downstream isn't yet ready so, keep current request alive. (First come first serve)
103        unreachable          mask <= ppc_out;
104                           end
                        MISSING_ELSE
105                         end
106                     
107                         if (EnDataPort == 1) begin: gen_datapath
108                           always_comb begin
109        1/1                  data_o = '0;
           Tests:       T1 T2 T3 
110        1/1                  for (int i = 0 ; i < N ; i++) begin
           Tests:       T1 T2 T3 
111        1/1                    if (winner[i]) begin
           Tests:       T1 T2 T3 
112        1/1                      data_o = data_i[i];
           Tests:       T5 T11 T13 
113                               end
                        MISSING_ELSE
114                             end
115                           end
116                         end else begin: gen_nodatapath
117                           assign data_o = '1;
118                           // The following signal is used to avoid possible lint errors.
119                           logic [DW-1:0] unused_data [N];
120                           assign unused_data = data_i;
121                         end
122                     
123                         always_comb begin
124        1/1                idx_o = '0;
           Tests:       T1 T2 T3 
125        1/1                for (int unsigned i = 0 ; i < N ; i++) begin
           Tests:       T1 T2 T3 
126        1/1                  if (winner[i]) begin
           Tests:       T1 T2 T3 
127        1/1                    idx_o = i[IdxW-1:0];
           Tests:       T5 T11 T13 
128                             end
                        MISSING_ELSE
Cond Coverage for Instance : tb.dut.u_spi_tpm.u_arbiter.gen_arb_ppc.u_reqarb
 | Total | Covered | Percent | 
| Conditions | 9 | 7 | 77.78 | 
| Logical | 9 | 7 | 77.78 | 
| Non-Logical | 0 | 0 |  | 
| Event | 0 | 0 |  | 
 LINE       76
 EXPRESSION (((|gen_normal_case.masked_req)) ? gen_normal_case.masked_req : req_i)
             ---------------1---------------
| -1- | Status | Tests |                       
| 0 | Covered | T1,T2,T3 | 
| 1 | Not Covered |  | 
 LINE       84
 EXPRESSION (gen_normal_case.ppc_out[(i - 1)] | gen_normal_case.arb_req[i])
             ----------------1---------------   -------------2------------
| -1- | -2- | Status | Tests |                       
| 0 | 0 | Covered | T1,T2,T3 | 
| 0 | 1 | Covered | T5,T11,T13 | 
| 1 | 0 | Covered | T5,T11,T13 | 
 LINE       90
 EXPRESSION (ready_i ? gen_normal_case.winner : '0)
             ---1---
| -1- | Status | Tests |                       
| 0 | Unreachable |  | 
| 1 | Covered | T1,T2,T3 | 
 LINE       98
 EXPRESSION (valid_o && ready_i)
             ---1---    ---2---
| -1- | -2- | Status | Tests |                       
| 0 | 1 | Covered | T1,T4,T5 | 
| 1 | 0 | Unreachable |  | 
| 1 | 1 | Covered | T5,T11,T13 | 
 LINE       101
 EXPRESSION (valid_o && ((!ready_i)))
             ---1---    ------2-----
| -1- | -2- | Status | Tests |                       
| 0 | 1 | Unreachable |  | 
| 1 | 0 | Not Covered |  | 
| 1 | 1 | Unreachable |  | 
Branch Coverage for Instance : tb.dut.u_spi_tpm.u_arbiter.gen_arb_ppc.u_reqarb
 | Line No. | Total | Covered | Percent | 
| Branches | 
 | 
10 | 
9 | 
90.00  | 
| TERNARY | 
76 | 
2 | 
1 | 
50.00  | 
| TERNARY | 
90 | 
1 | 
1 | 
100.00 | 
| IF | 
96 | 
3 | 
3 | 
100.00 | 
| IF | 
126 | 
2 | 
2 | 
100.00 | 
| IF | 
111 | 
2 | 
2 | 
100.00 | 
76             assign arb_req = (|masked_req) ? masked_req : req_i;
                                              -1-  
                                              ==>  
                                              ==>  
Branches:
| -1- | Status | Tests | 
| 1 | 
Not Covered | 
 | 
| 0 | 
Covered | 
T1,T2,T3 | 
90             assign gnt_o    = (ready_i) ? winner : '0;
                                           -1-  
                                           ==>  
                                           ==> (Unreachable)  
Branches:
| -1- | Status | Tests | 
| 1 | 
Covered | 
T1,T2,T3 | 
| 0 | 
Unreachable | 
 | 
96               if (!rst_ni) begin
                 -1-  
97                 mask <= '0;
                   ==>
98               end else if (valid_o && ready_i) begin
                          -2-  
99                 // Latch only when requests accepted
100                mask <= mask_next;
                   ==>
101              end else if (valid_o && !ready_i) begin
                          -3-  
102                // Downstream isn't yet ready so, keep current request alive. (First come first serve)
103                mask <= ppc_out;
                   ==> (Unreachable)
104              end
                 MISSING_ELSE
                 ==>
Branches:
| -1- | -2- | -3- | Status | Tests | 
| 1 | 
- | 
- | 
Covered | 
T1,T2,T3 | 
| 0 | 
1 | 
- | 
Covered | 
T5,T11,T13 | 
| 0 | 
0 | 
1 | 
Unreachable | 
 | 
| 0 | 
0 | 
0 | 
Covered | 
T1,T4,T5 | 
126                if (winner[i]) begin
                   -1-  
127                  idx_o = i[IdxW-1:0];
                     ==>
128                end
                   MISSING_ELSE
                   ==>
Branches:
| -1- | Status | Tests | 
| 1 | 
Covered | 
T5,T11,T13 | 
| 0 | 
Covered | 
T1,T2,T3 | 
111                  if (winner[i]) begin
                     -1-  
112                    data_o = data_i[i];
                       ==>
113                  end
                     MISSING_ELSE
                     ==>
Branches:
| -1- | Status | Tests | 
| 1 | 
Covered | 
T5,T11,T13 | 
| 0 | 
Covered | 
T1,T2,T3 | 
Assert Coverage for Instance : tb.dut.u_spi_tpm.u_arbiter.gen_arb_ppc.u_reqarb
Assertion Details
CheckHotOne_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
149299706 | 
28013552 | 
0 | 
0 | 
| T1 | 
1059 | 
792 | 
0 | 
0 | 
| T4 | 
720 | 
720 | 
0 | 
0 | 
| T5 | 
6506 | 
6224 | 
0 | 
0 | 
| T6 | 
62333 | 
0 | 
0 | 
0 | 
| T7 | 
1312 | 
0 | 
0 | 
0 | 
| T8 | 
14007 | 
0 | 
0 | 
0 | 
| T11 | 
72641 | 
70992 | 
0 | 
0 | 
| T13 | 
260475 | 
257880 | 
0 | 
0 | 
| T14 | 
421 | 
360 | 
0 | 
0 | 
| T15 | 
2568 | 
2568 | 
0 | 
0 | 
| T25 | 
0 | 
115904 | 
0 | 
0 | 
| T26 | 
0 | 
216 | 
0 | 
0 | 
| T27 | 
0 | 
105272 | 
0 | 
0 | 
CheckNGreaterZero_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
956 | 
956 | 
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 | 
GntImpliesReady_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
149299706 | 
629879 | 
0 | 
0 | 
| T5 | 
6506 | 
216 | 
0 | 
0 | 
| T6 | 
62333 | 
0 | 
0 | 
0 | 
| T7 | 
1312 | 
0 | 
0 | 
0 | 
| T8 | 
14007 | 
0 | 
0 | 
0 | 
| T11 | 
72641 | 
1744 | 
0 | 
0 | 
| T13 | 
260475 | 
4931 | 
0 | 
0 | 
| T14 | 
421 | 
0 | 
0 | 
0 | 
| T15 | 
2568 | 
157 | 
0 | 
0 | 
| T16 | 
30290 | 
0 | 
0 | 
0 | 
| T17 | 
17278 | 
0 | 
0 | 
0 | 
| T38 | 
0 | 
94 | 
0 | 
0 | 
| T44 | 
0 | 
35 | 
0 | 
0 | 
| T45 | 
0 | 
3589 | 
0 | 
0 | 
| T46 | 
0 | 
119 | 
0 | 
0 | 
| T68 | 
0 | 
2125 | 
0 | 
0 | 
| T69 | 
0 | 
9 | 
0 | 
0 | 
GntImpliesValid_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
149299706 | 
629879 | 
0 | 
0 | 
| T5 | 
6506 | 
216 | 
0 | 
0 | 
| T6 | 
62333 | 
0 | 
0 | 
0 | 
| T7 | 
1312 | 
0 | 
0 | 
0 | 
| T8 | 
14007 | 
0 | 
0 | 
0 | 
| T11 | 
72641 | 
1744 | 
0 | 
0 | 
| T13 | 
260475 | 
4931 | 
0 | 
0 | 
| T14 | 
421 | 
0 | 
0 | 
0 | 
| T15 | 
2568 | 
157 | 
0 | 
0 | 
| T16 | 
30290 | 
0 | 
0 | 
0 | 
| T17 | 
17278 | 
0 | 
0 | 
0 | 
| T38 | 
0 | 
94 | 
0 | 
0 | 
| T44 | 
0 | 
35 | 
0 | 
0 | 
| T45 | 
0 | 
3589 | 
0 | 
0 | 
| T46 | 
0 | 
119 | 
0 | 
0 | 
| T68 | 
0 | 
2125 | 
0 | 
0 | 
| T69 | 
0 | 
9 | 
0 | 
0 | 
GrantKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
149299706 | 
28013552 | 
0 | 
0 | 
| T1 | 
1059 | 
792 | 
0 | 
0 | 
| T4 | 
720 | 
720 | 
0 | 
0 | 
| T5 | 
6506 | 
6224 | 
0 | 
0 | 
| T6 | 
62333 | 
0 | 
0 | 
0 | 
| T7 | 
1312 | 
0 | 
0 | 
0 | 
| T8 | 
14007 | 
0 | 
0 | 
0 | 
| T11 | 
72641 | 
70992 | 
0 | 
0 | 
| T13 | 
260475 | 
257880 | 
0 | 
0 | 
| T14 | 
421 | 
360 | 
0 | 
0 | 
| T15 | 
2568 | 
2568 | 
0 | 
0 | 
| T25 | 
0 | 
115904 | 
0 | 
0 | 
| T26 | 
0 | 
216 | 
0 | 
0 | 
| T27 | 
0 | 
105272 | 
0 | 
0 | 
IdxKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
149299706 | 
28013552 | 
0 | 
0 | 
| T1 | 
1059 | 
792 | 
0 | 
0 | 
| T4 | 
720 | 
720 | 
0 | 
0 | 
| T5 | 
6506 | 
6224 | 
0 | 
0 | 
| T6 | 
62333 | 
0 | 
0 | 
0 | 
| T7 | 
1312 | 
0 | 
0 | 
0 | 
| T8 | 
14007 | 
0 | 
0 | 
0 | 
| T11 | 
72641 | 
70992 | 
0 | 
0 | 
| T13 | 
260475 | 
257880 | 
0 | 
0 | 
| T14 | 
421 | 
360 | 
0 | 
0 | 
| T15 | 
2568 | 
2568 | 
0 | 
0 | 
| T25 | 
0 | 
115904 | 
0 | 
0 | 
| T26 | 
0 | 
216 | 
0 | 
0 | 
| T27 | 
0 | 
105272 | 
0 | 
0 | 
IndexIsCorrect_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
149299706 | 
629879 | 
0 | 
0 | 
| T5 | 
6506 | 
216 | 
0 | 
0 | 
| T6 | 
62333 | 
0 | 
0 | 
0 | 
| T7 | 
1312 | 
0 | 
0 | 
0 | 
| T8 | 
14007 | 
0 | 
0 | 
0 | 
| T11 | 
72641 | 
1744 | 
0 | 
0 | 
| T13 | 
260475 | 
4931 | 
0 | 
0 | 
| T14 | 
421 | 
0 | 
0 | 
0 | 
| T15 | 
2568 | 
157 | 
0 | 
0 | 
| T16 | 
30290 | 
0 | 
0 | 
0 | 
| T17 | 
17278 | 
0 | 
0 | 
0 | 
| T38 | 
0 | 
94 | 
0 | 
0 | 
| T44 | 
0 | 
35 | 
0 | 
0 | 
| T45 | 
0 | 
3589 | 
0 | 
0 | 
| T46 | 
0 | 
119 | 
0 | 
0 | 
| T68 | 
0 | 
2125 | 
0 | 
0 | 
| T69 | 
0 | 
9 | 
0 | 
0 | 
LockArbDecision_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
149299706 | 
0 | 
0 | 
0 | 
NoReadyValidNoGrant_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
149299706 | 
0 | 
0 | 
0 | 
ReadyAndValidImplyGrant_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
149299706 | 
629879 | 
0 | 
0 | 
| T5 | 
6506 | 
216 | 
0 | 
0 | 
| T6 | 
62333 | 
0 | 
0 | 
0 | 
| T7 | 
1312 | 
0 | 
0 | 
0 | 
| T8 | 
14007 | 
0 | 
0 | 
0 | 
| T11 | 
72641 | 
1744 | 
0 | 
0 | 
| T13 | 
260475 | 
4931 | 
0 | 
0 | 
| T14 | 
421 | 
0 | 
0 | 
0 | 
| T15 | 
2568 | 
157 | 
0 | 
0 | 
| T16 | 
30290 | 
0 | 
0 | 
0 | 
| T17 | 
17278 | 
0 | 
0 | 
0 | 
| T38 | 
0 | 
94 | 
0 | 
0 | 
| T44 | 
0 | 
35 | 
0 | 
0 | 
| T45 | 
0 | 
3589 | 
0 | 
0 | 
| T46 | 
0 | 
119 | 
0 | 
0 | 
| T68 | 
0 | 
2125 | 
0 | 
0 | 
| T69 | 
0 | 
9 | 
0 | 
0 | 
ReqAndReadyImplyGrant_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
149299706 | 
629879 | 
0 | 
0 | 
| T5 | 
6506 | 
216 | 
0 | 
0 | 
| T6 | 
62333 | 
0 | 
0 | 
0 | 
| T7 | 
1312 | 
0 | 
0 | 
0 | 
| T8 | 
14007 | 
0 | 
0 | 
0 | 
| T11 | 
72641 | 
1744 | 
0 | 
0 | 
| T13 | 
260475 | 
4931 | 
0 | 
0 | 
| T14 | 
421 | 
0 | 
0 | 
0 | 
| T15 | 
2568 | 
157 | 
0 | 
0 | 
| T16 | 
30290 | 
0 | 
0 | 
0 | 
| T17 | 
17278 | 
0 | 
0 | 
0 | 
| T38 | 
0 | 
94 | 
0 | 
0 | 
| T44 | 
0 | 
35 | 
0 | 
0 | 
| T45 | 
0 | 
3589 | 
0 | 
0 | 
| T46 | 
0 | 
119 | 
0 | 
0 | 
| T68 | 
0 | 
2125 | 
0 | 
0 | 
| T69 | 
0 | 
9 | 
0 | 
0 | 
ReqImpliesValid_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
149299706 | 
629879 | 
0 | 
0 | 
| T5 | 
6506 | 
216 | 
0 | 
0 | 
| T6 | 
62333 | 
0 | 
0 | 
0 | 
| T7 | 
1312 | 
0 | 
0 | 
0 | 
| T8 | 
14007 | 
0 | 
0 | 
0 | 
| T11 | 
72641 | 
1744 | 
0 | 
0 | 
| T13 | 
260475 | 
4931 | 
0 | 
0 | 
| T14 | 
421 | 
0 | 
0 | 
0 | 
| T15 | 
2568 | 
157 | 
0 | 
0 | 
| T16 | 
30290 | 
0 | 
0 | 
0 | 
| T17 | 
17278 | 
0 | 
0 | 
0 | 
| T38 | 
0 | 
94 | 
0 | 
0 | 
| T44 | 
0 | 
35 | 
0 | 
0 | 
| T45 | 
0 | 
3589 | 
0 | 
0 | 
| T46 | 
0 | 
119 | 
0 | 
0 | 
| T68 | 
0 | 
2125 | 
0 | 
0 | 
| T69 | 
0 | 
9 | 
0 | 
0 | 
ReqStaysHighUntilGranted0_M
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
149299706 | 
0 | 
0 | 
0 | 
RoundRobin_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
149299706 | 
0 | 
0 | 
0 | 
ValidKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
149299706 | 
28013552 | 
0 | 
0 | 
| T1 | 
1059 | 
792 | 
0 | 
0 | 
| T4 | 
720 | 
720 | 
0 | 
0 | 
| T5 | 
6506 | 
6224 | 
0 | 
0 | 
| T6 | 
62333 | 
0 | 
0 | 
0 | 
| T7 | 
1312 | 
0 | 
0 | 
0 | 
| T8 | 
14007 | 
0 | 
0 | 
0 | 
| T11 | 
72641 | 
70992 | 
0 | 
0 | 
| T13 | 
260475 | 
257880 | 
0 | 
0 | 
| T14 | 
421 | 
360 | 
0 | 
0 | 
| T15 | 
2568 | 
2568 | 
0 | 
0 | 
| T25 | 
0 | 
115904 | 
0 | 
0 | 
| T26 | 
0 | 
216 | 
0 | 
0 | 
| T27 | 
0 | 
105272 | 
0 | 
0 | 
gen_data_port_assertion.DataFlow_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
149299706 | 
629879 | 
0 | 
0 | 
| T5 | 
6506 | 
216 | 
0 | 
0 | 
| T6 | 
62333 | 
0 | 
0 | 
0 | 
| T7 | 
1312 | 
0 | 
0 | 
0 | 
| T8 | 
14007 | 
0 | 
0 | 
0 | 
| T11 | 
72641 | 
1744 | 
0 | 
0 | 
| T13 | 
260475 | 
4931 | 
0 | 
0 | 
| T14 | 
421 | 
0 | 
0 | 
0 | 
| T15 | 
2568 | 
157 | 
0 | 
0 | 
| T16 | 
30290 | 
0 | 
0 | 
0 | 
| T17 | 
17278 | 
0 | 
0 | 
0 | 
| T38 | 
0 | 
94 | 
0 | 
0 | 
| T44 | 
0 | 
35 | 
0 | 
0 | 
| T45 | 
0 | 
3589 | 
0 | 
0 | 
| T46 | 
0 | 
119 | 
0 | 
0 | 
| T68 | 
0 | 
2125 | 
0 | 
0 | 
| T69 | 
0 | 
9 | 
0 | 
0 | 
 
Line Coverage for Instance : tb.dut.u_upload.u_arbiter.gen_arb_ppc.u_reqarb
 | Line No. | Total | Covered | Percent | 
| TOTAL |  | 22 | 22 | 100.00 | 
| CONT_ASSIGN | 55 | 0 | 0 |  | 
| CONT_ASSIGN | 75 | 1 | 1 | 100.00 | 
| CONT_ASSIGN | 76 | 1 | 1 | 100.00 | 
| ALWAYS | 82 | 3 | 3 | 100.00 | 
| CONT_ASSIGN | 89 | 1 | 1 | 100.00 | 
| CONT_ASSIGN | 90 | 1 | 1 | 100.00 | 
| CONT_ASSIGN | 92 | 1 | 1 | 100.00 | 
| CONT_ASSIGN | 94 | 1 | 1 | 100.00 | 
| ALWAYS | 96 | 5 | 5 | 100.00 | 
| ALWAYS | 109 | 4 | 4 | 100.00 | 
| ALWAYS | 124 | 4 | 4 | 100.00 | 
54                        logic unused_req_chk;
55         unreachable    assign unused_req_chk = req_chk_i;
56                      
57                        `ASSERT_INIT(CheckNGreaterZero_A, N > 0)
58                      
59                        // this case is basically just a bypass
60                        if (N == 1) begin : gen_degenerate_case
61                      
62                          assign valid_o  = req_i[0];
63                          assign data_o   = data_i[0];
64                          assign gnt_o[0] = valid_o & ready_i;
65                          assign idx_o    = '0;
66                      
67                        end else begin : gen_normal_case
68                      
69                          logic [N-1:0] masked_req;
70                          logic [N-1:0] ppc_out;
71                          logic [N-1:0] arb_req;
72                          logic [N-1:0] mask, mask_next;
73                          logic [N-1:0] winner;
74                      
75         1/1              assign masked_req = mask & req_i;
           Tests:       T1 T2 T3 
76         1/1              assign arb_req = (|masked_req) ? masked_req : req_i;
           Tests:       T1 T2 T3 
77                      
78                          // PPC
79                          //   Even below code looks O(n) but DC optimizes it to O(log(N))
80                          //   Using Parallel Prefix Computation
81                          always_comb begin
82         1/1                ppc_out[0] = arb_req[0];
           Tests:       T1 T2 T3 
83         1/1                for (int i = 1 ; i < N ; i++) begin
           Tests:       T1 T2 T3 
84         1/1                  ppc_out[i] = ppc_out[i-1] | arb_req[i];
           Tests:       T1 T2 T3 
85                            end
86                          end
87                      
88                          // Grant Generation: Leading-One detector
89         1/1              assign winner = ppc_out ^ {ppc_out[N-2:0], 1'b0};
           Tests:       T1 T2 T3 
90         1/1              assign gnt_o    = (ready_i) ? winner : '0;
           Tests:       T1 T2 T3 
91                      
92         1/1              assign valid_o = |req_i;
           Tests:       T1 T2 T3 
93                          // Mask Generation
94         1/1              assign mask_next = {ppc_out[N-2:0], 1'b0};
           Tests:       T1 T2 T3 
95                          always_ff @(posedge clk_i or negedge rst_ni) begin
96         1/1                if (!rst_ni) begin
           Tests:       T1 T2 T3 
97         1/1                  mask <= '0;
           Tests:       T1 T2 T3 
98         1/1                end else if (valid_o && ready_i) begin
           Tests:       T6 T7 T8 
99                              // Latch only when requests accepted
100        1/1                  mask <= mask_next;
           Tests:       T42 T43 T52 
101        1/1                end else if (valid_o && !ready_i) begin
           Tests:       T6 T7 T8 
102                             // Downstream isn't yet ready so, keep current request alive. (First come first serve)
103        unreachable          mask <= ppc_out;
104                           end
                        MISSING_ELSE
105                         end
106                     
107                         if (EnDataPort == 1) begin: gen_datapath
108                           always_comb begin
109        1/1                  data_o = '0;
           Tests:       T1 T2 T3 
110        1/1                  for (int i = 0 ; i < N ; i++) begin
           Tests:       T1 T2 T3 
111        1/1                    if (winner[i]) begin
           Tests:       T1 T2 T3 
112        1/1                      data_o = data_i[i];
           Tests:       T42 T43 T52 
113                               end
                        MISSING_ELSE
114                             end
115                           end
116                         end else begin: gen_nodatapath
117                           assign data_o = '1;
118                           // The following signal is used to avoid possible lint errors.
119                           logic [DW-1:0] unused_data [N];
120                           assign unused_data = data_i;
121                         end
122                     
123                         always_comb begin
124        1/1                idx_o = '0;
           Tests:       T1 T2 T3 
125        1/1                for (int unsigned i = 0 ; i < N ; i++) begin
           Tests:       T1 T2 T3 
126        1/1                  if (winner[i]) begin
           Tests:       T1 T2 T3 
127        1/1                    idx_o = i[IdxW-1:0];
           Tests:       T42 T43 T52 
128                             end
                        MISSING_ELSE
Cond Coverage for Instance : tb.dut.u_upload.u_arbiter.gen_arb_ppc.u_reqarb
 | Total | Covered | Percent | 
| Conditions | 9 | 8 | 88.89 | 
| Logical | 9 | 8 | 88.89 | 
| Non-Logical | 0 | 0 |  | 
| Event | 0 | 0 |  | 
 LINE       76
 EXPRESSION (((|gen_normal_case.masked_req)) ? gen_normal_case.masked_req : req_i)
             ---------------1---------------
| -1- | Status | Tests |                       
| 0 | Covered | T1,T2,T3 | 
| 1 | Covered | T42,T43,T52 | 
 LINE       84
 EXPRESSION (gen_normal_case.ppc_out[(i - 1)] | gen_normal_case.arb_req[i])
             ----------------1---------------   -------------2------------
| -1- | -2- | Status | Tests |                       
| 0 | 0 | Covered | T1,T2,T3 | 
| 0 | 1 | Covered | T42,T43,T52 | 
| 1 | 0 | Covered | T42,T43,T52 | 
 LINE       90
 EXPRESSION (ready_i ? gen_normal_case.winner : '0)
             ---1---
| -1- | Status | Tests |                       
| 0 | Unreachable |  | 
| 1 | Covered | T1,T2,T3 | 
 LINE       98
 EXPRESSION (valid_o && ready_i)
             ---1---    ---2---
| -1- | -2- | Status | Tests |                       
| 0 | 1 | Covered | T6,T7,T8 | 
| 1 | 0 | Unreachable |  | 
| 1 | 1 | Covered | T42,T43,T52 | 
 LINE       101
 EXPRESSION (valid_o && ((!ready_i)))
             ---1---    ------2-----
| -1- | -2- | Status | Tests |                       
| 0 | 1 | Unreachable |  | 
| 1 | 0 | Not Covered |  | 
| 1 | 1 | Unreachable |  | 
Branch Coverage for Instance : tb.dut.u_upload.u_arbiter.gen_arb_ppc.u_reqarb
 | Line No. | Total | Covered | Percent | 
| Branches | 
 | 
10 | 
10 | 
100.00 | 
| TERNARY | 
76 | 
2 | 
2 | 
100.00 | 
| TERNARY | 
90 | 
1 | 
1 | 
100.00 | 
| IF | 
96 | 
3 | 
3 | 
100.00 | 
| IF | 
126 | 
2 | 
2 | 
100.00 | 
| IF | 
111 | 
2 | 
2 | 
100.00 | 
76             assign arb_req = (|masked_req) ? masked_req : req_i;
                                              -1-  
                                              ==>  
                                              ==>  
Branches:
| -1- | Status | Tests | 
| 1 | 
Covered | 
T42,T43,T52 | 
| 0 | 
Covered | 
T1,T2,T3 | 
90             assign gnt_o    = (ready_i) ? winner : '0;
                                           -1-  
                                           ==>  
                                           ==> (Unreachable)  
Branches:
| -1- | Status | Tests | 
| 1 | 
Covered | 
T1,T2,T3 | 
| 0 | 
Unreachable | 
 | 
96               if (!rst_ni) begin
                 -1-  
97                 mask <= '0;
                   ==>
98               end else if (valid_o && ready_i) begin
                          -2-  
99                 // Latch only when requests accepted
100                mask <= mask_next;
                   ==>
101              end else if (valid_o && !ready_i) begin
                          -3-  
102                // Downstream isn't yet ready so, keep current request alive. (First come first serve)
103                mask <= ppc_out;
                   ==> (Unreachable)
104              end
                 MISSING_ELSE
                 ==>
Branches:
| -1- | -2- | -3- | Status | Tests | 
| 1 | 
- | 
- | 
Covered | 
T1,T2,T3 | 
| 0 | 
1 | 
- | 
Covered | 
T42,T43,T52 | 
| 0 | 
0 | 
1 | 
Unreachable | 
 | 
| 0 | 
0 | 
0 | 
Covered | 
T6,T7,T8 | 
126                if (winner[i]) begin
                   -1-  
127                  idx_o = i[IdxW-1:0];
                     ==>
128                end
                   MISSING_ELSE
                   ==>
Branches:
| -1- | Status | Tests | 
| 1 | 
Covered | 
T42,T43,T52 | 
| 0 | 
Covered | 
T1,T2,T3 | 
111                  if (winner[i]) begin
                     -1-  
112                    data_o = data_i[i];
                       ==>
113                  end
                     MISSING_ELSE
                     ==>
Branches:
| -1- | Status | Tests | 
| 1 | 
Covered | 
T42,T43,T52 | 
| 0 | 
Covered | 
T1,T2,T3 | 
Assert Coverage for Instance : tb.dut.u_upload.u_arbiter.gen_arb_ppc.u_reqarb
Assertion Details
CheckHotOne_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
149299706 | 
119975098 | 
0 | 
0 | 
| T6 | 
62333 | 
62216 | 
0 | 
0 | 
| T7 | 
1312 | 
1312 | 
0 | 
0 | 
| T8 | 
14007 | 
13976 | 
0 | 
0 | 
| T11 | 
72641 | 
0 | 
0 | 
0 | 
| T13 | 
260475 | 
0 | 
0 | 
0 | 
| T14 | 
421 | 
0 | 
0 | 
0 | 
| T15 | 
2568 | 
0 | 
0 | 
0 | 
| T16 | 
30290 | 
29328 | 
0 | 
0 | 
| T17 | 
17278 | 
17278 | 
0 | 
0 | 
| T19 | 
1568 | 
1568 | 
0 | 
0 | 
| T21 | 
0 | 
123990 | 
0 | 
0 | 
| T22 | 
0 | 
19312 | 
0 | 
0 | 
| T23 | 
0 | 
144 | 
0 | 
0 | 
| T24 | 
0 | 
16844 | 
0 | 
0 | 
CheckNGreaterZero_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
956 | 
956 | 
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 | 
GntImpliesReady_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
149299706 | 
899241 | 
0 | 
0 | 
| T42 | 
56992 | 
1544 | 
0 | 
0 | 
| T43 | 
0 | 
1290 | 
0 | 
0 | 
| T45 | 
96201 | 
0 | 
0 | 
0 | 
| T46 | 
2036 | 
0 | 
0 | 
0 | 
| T47 | 
13238 | 
0 | 
0 | 
0 | 
| T48 | 
0 | 
2562 | 
0 | 
0 | 
| T50 | 
9362 | 
0 | 
0 | 
0 | 
| T52 | 
0 | 
3109 | 
0 | 
0 | 
| T55 | 
81081 | 
0 | 
0 | 
0 | 
| T59 | 
0 | 
5751 | 
0 | 
0 | 
| T60 | 
0 | 
6 | 
0 | 
0 | 
| T64 | 
0 | 
9127 | 
0 | 
0 | 
| T70 | 
26466 | 
0 | 
0 | 
0 | 
| T71 | 
1182 | 
0 | 
0 | 
0 | 
| T72 | 
14544 | 
0 | 
0 | 
0 | 
| T73 | 
16592 | 
0 | 
0 | 
0 | 
| T81 | 
0 | 
3848 | 
0 | 
0 | 
| T82 | 
0 | 
10 | 
0 | 
0 | 
| T83 | 
0 | 
516 | 
0 | 
0 | 
GntImpliesValid_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
149299706 | 
899241 | 
0 | 
0 | 
| T42 | 
56992 | 
1544 | 
0 | 
0 | 
| T43 | 
0 | 
1290 | 
0 | 
0 | 
| T45 | 
96201 | 
0 | 
0 | 
0 | 
| T46 | 
2036 | 
0 | 
0 | 
0 | 
| T47 | 
13238 | 
0 | 
0 | 
0 | 
| T48 | 
0 | 
2562 | 
0 | 
0 | 
| T50 | 
9362 | 
0 | 
0 | 
0 | 
| T52 | 
0 | 
3109 | 
0 | 
0 | 
| T55 | 
81081 | 
0 | 
0 | 
0 | 
| T59 | 
0 | 
5751 | 
0 | 
0 | 
| T60 | 
0 | 
6 | 
0 | 
0 | 
| T64 | 
0 | 
9127 | 
0 | 
0 | 
| T70 | 
26466 | 
0 | 
0 | 
0 | 
| T71 | 
1182 | 
0 | 
0 | 
0 | 
| T72 | 
14544 | 
0 | 
0 | 
0 | 
| T73 | 
16592 | 
0 | 
0 | 
0 | 
| T81 | 
0 | 
3848 | 
0 | 
0 | 
| T82 | 
0 | 
10 | 
0 | 
0 | 
| T83 | 
0 | 
516 | 
0 | 
0 | 
GrantKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
149299706 | 
119975098 | 
0 | 
0 | 
| T6 | 
62333 | 
62216 | 
0 | 
0 | 
| T7 | 
1312 | 
1312 | 
0 | 
0 | 
| T8 | 
14007 | 
13976 | 
0 | 
0 | 
| T11 | 
72641 | 
0 | 
0 | 
0 | 
| T13 | 
260475 | 
0 | 
0 | 
0 | 
| T14 | 
421 | 
0 | 
0 | 
0 | 
| T15 | 
2568 | 
0 | 
0 | 
0 | 
| T16 | 
30290 | 
29328 | 
0 | 
0 | 
| T17 | 
17278 | 
17278 | 
0 | 
0 | 
| T19 | 
1568 | 
1568 | 
0 | 
0 | 
| T21 | 
0 | 
123990 | 
0 | 
0 | 
| T22 | 
0 | 
19312 | 
0 | 
0 | 
| T23 | 
0 | 
144 | 
0 | 
0 | 
| T24 | 
0 | 
16844 | 
0 | 
0 | 
IdxKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
149299706 | 
119975098 | 
0 | 
0 | 
| T6 | 
62333 | 
62216 | 
0 | 
0 | 
| T7 | 
1312 | 
1312 | 
0 | 
0 | 
| T8 | 
14007 | 
13976 | 
0 | 
0 | 
| T11 | 
72641 | 
0 | 
0 | 
0 | 
| T13 | 
260475 | 
0 | 
0 | 
0 | 
| T14 | 
421 | 
0 | 
0 | 
0 | 
| T15 | 
2568 | 
0 | 
0 | 
0 | 
| T16 | 
30290 | 
29328 | 
0 | 
0 | 
| T17 | 
17278 | 
17278 | 
0 | 
0 | 
| T19 | 
1568 | 
1568 | 
0 | 
0 | 
| T21 | 
0 | 
123990 | 
0 | 
0 | 
| T22 | 
0 | 
19312 | 
0 | 
0 | 
| T23 | 
0 | 
144 | 
0 | 
0 | 
| T24 | 
0 | 
16844 | 
0 | 
0 | 
IndexIsCorrect_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
149299706 | 
899241 | 
0 | 
0 | 
| T42 | 
56992 | 
1544 | 
0 | 
0 | 
| T43 | 
0 | 
1290 | 
0 | 
0 | 
| T45 | 
96201 | 
0 | 
0 | 
0 | 
| T46 | 
2036 | 
0 | 
0 | 
0 | 
| T47 | 
13238 | 
0 | 
0 | 
0 | 
| T48 | 
0 | 
2562 | 
0 | 
0 | 
| T50 | 
9362 | 
0 | 
0 | 
0 | 
| T52 | 
0 | 
3109 | 
0 | 
0 | 
| T55 | 
81081 | 
0 | 
0 | 
0 | 
| T59 | 
0 | 
5751 | 
0 | 
0 | 
| T60 | 
0 | 
6 | 
0 | 
0 | 
| T64 | 
0 | 
9127 | 
0 | 
0 | 
| T70 | 
26466 | 
0 | 
0 | 
0 | 
| T71 | 
1182 | 
0 | 
0 | 
0 | 
| T72 | 
14544 | 
0 | 
0 | 
0 | 
| T73 | 
16592 | 
0 | 
0 | 
0 | 
| T81 | 
0 | 
3848 | 
0 | 
0 | 
| T82 | 
0 | 
10 | 
0 | 
0 | 
| T83 | 
0 | 
516 | 
0 | 
0 | 
LockArbDecision_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
149299706 | 
0 | 
0 | 
0 | 
NoReadyValidNoGrant_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
149299706 | 
0 | 
0 | 
0 | 
ReadyAndValidImplyGrant_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
149299706 | 
899241 | 
0 | 
0 | 
| T42 | 
56992 | 
1544 | 
0 | 
0 | 
| T43 | 
0 | 
1290 | 
0 | 
0 | 
| T45 | 
96201 | 
0 | 
0 | 
0 | 
| T46 | 
2036 | 
0 | 
0 | 
0 | 
| T47 | 
13238 | 
0 | 
0 | 
0 | 
| T48 | 
0 | 
2562 | 
0 | 
0 | 
| T50 | 
9362 | 
0 | 
0 | 
0 | 
| T52 | 
0 | 
3109 | 
0 | 
0 | 
| T55 | 
81081 | 
0 | 
0 | 
0 | 
| T59 | 
0 | 
5751 | 
0 | 
0 | 
| T60 | 
0 | 
6 | 
0 | 
0 | 
| T64 | 
0 | 
9127 | 
0 | 
0 | 
| T70 | 
26466 | 
0 | 
0 | 
0 | 
| T71 | 
1182 | 
0 | 
0 | 
0 | 
| T72 | 
14544 | 
0 | 
0 | 
0 | 
| T73 | 
16592 | 
0 | 
0 | 
0 | 
| T81 | 
0 | 
3848 | 
0 | 
0 | 
| T82 | 
0 | 
10 | 
0 | 
0 | 
| T83 | 
0 | 
516 | 
0 | 
0 | 
ReqAndReadyImplyGrant_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
149299706 | 
899241 | 
0 | 
0 | 
| T42 | 
56992 | 
1544 | 
0 | 
0 | 
| T43 | 
0 | 
1290 | 
0 | 
0 | 
| T45 | 
96201 | 
0 | 
0 | 
0 | 
| T46 | 
2036 | 
0 | 
0 | 
0 | 
| T47 | 
13238 | 
0 | 
0 | 
0 | 
| T48 | 
0 | 
2562 | 
0 | 
0 | 
| T50 | 
9362 | 
0 | 
0 | 
0 | 
| T52 | 
0 | 
3109 | 
0 | 
0 | 
| T55 | 
81081 | 
0 | 
0 | 
0 | 
| T59 | 
0 | 
5751 | 
0 | 
0 | 
| T60 | 
0 | 
6 | 
0 | 
0 | 
| T64 | 
0 | 
9127 | 
0 | 
0 | 
| T70 | 
26466 | 
0 | 
0 | 
0 | 
| T71 | 
1182 | 
0 | 
0 | 
0 | 
| T72 | 
14544 | 
0 | 
0 | 
0 | 
| T73 | 
16592 | 
0 | 
0 | 
0 | 
| T81 | 
0 | 
3848 | 
0 | 
0 | 
| T82 | 
0 | 
10 | 
0 | 
0 | 
| T83 | 
0 | 
516 | 
0 | 
0 | 
ReqImpliesValid_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
149299706 | 
899241 | 
0 | 
0 | 
| T42 | 
56992 | 
1544 | 
0 | 
0 | 
| T43 | 
0 | 
1290 | 
0 | 
0 | 
| T45 | 
96201 | 
0 | 
0 | 
0 | 
| T46 | 
2036 | 
0 | 
0 | 
0 | 
| T47 | 
13238 | 
0 | 
0 | 
0 | 
| T48 | 
0 | 
2562 | 
0 | 
0 | 
| T50 | 
9362 | 
0 | 
0 | 
0 | 
| T52 | 
0 | 
3109 | 
0 | 
0 | 
| T55 | 
81081 | 
0 | 
0 | 
0 | 
| T59 | 
0 | 
5751 | 
0 | 
0 | 
| T60 | 
0 | 
6 | 
0 | 
0 | 
| T64 | 
0 | 
9127 | 
0 | 
0 | 
| T70 | 
26466 | 
0 | 
0 | 
0 | 
| T71 | 
1182 | 
0 | 
0 | 
0 | 
| T72 | 
14544 | 
0 | 
0 | 
0 | 
| T73 | 
16592 | 
0 | 
0 | 
0 | 
| T81 | 
0 | 
3848 | 
0 | 
0 | 
| T82 | 
0 | 
10 | 
0 | 
0 | 
| T83 | 
0 | 
516 | 
0 | 
0 | 
ReqStaysHighUntilGranted0_M
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
149299706 | 
0 | 
0 | 
0 | 
RoundRobin_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
149299706 | 
0 | 
0 | 
0 | 
ValidKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
149299706 | 
119975098 | 
0 | 
0 | 
| T6 | 
62333 | 
62216 | 
0 | 
0 | 
| T7 | 
1312 | 
1312 | 
0 | 
0 | 
| T8 | 
14007 | 
13976 | 
0 | 
0 | 
| T11 | 
72641 | 
0 | 
0 | 
0 | 
| T13 | 
260475 | 
0 | 
0 | 
0 | 
| T14 | 
421 | 
0 | 
0 | 
0 | 
| T15 | 
2568 | 
0 | 
0 | 
0 | 
| T16 | 
30290 | 
29328 | 
0 | 
0 | 
| T17 | 
17278 | 
17278 | 
0 | 
0 | 
| T19 | 
1568 | 
1568 | 
0 | 
0 | 
| T21 | 
0 | 
123990 | 
0 | 
0 | 
| T22 | 
0 | 
19312 | 
0 | 
0 | 
| T23 | 
0 | 
144 | 
0 | 
0 | 
| T24 | 
0 | 
16844 | 
0 | 
0 | 
gen_data_port_assertion.DataFlow_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
149299706 | 
899241 | 
0 | 
0 | 
| T42 | 
56992 | 
1544 | 
0 | 
0 | 
| T43 | 
0 | 
1290 | 
0 | 
0 | 
| T45 | 
96201 | 
0 | 
0 | 
0 | 
| T46 | 
2036 | 
0 | 
0 | 
0 | 
| T47 | 
13238 | 
0 | 
0 | 
0 | 
| T48 | 
0 | 
2562 | 
0 | 
0 | 
| T50 | 
9362 | 
0 | 
0 | 
0 | 
| T52 | 
0 | 
3109 | 
0 | 
0 | 
| T55 | 
81081 | 
0 | 
0 | 
0 | 
| T59 | 
0 | 
5751 | 
0 | 
0 | 
| T60 | 
0 | 
6 | 
0 | 
0 | 
| T64 | 
0 | 
9127 | 
0 | 
0 | 
| T70 | 
26466 | 
0 | 
0 | 
0 | 
| T71 | 
1182 | 
0 | 
0 | 
0 | 
| T72 | 
14544 | 
0 | 
0 | 
0 | 
| T73 | 
16592 | 
0 | 
0 | 
0 | 
| T81 | 
0 | 
3848 | 
0 | 
0 | 
| T82 | 
0 | 
10 | 
0 | 
0 | 
| T83 | 
0 | 
516 | 
0 | 
0 | 
 
Line Coverage for Instance : tb.dut.u_sys_sram_arbiter.gen_arb_ppc.u_reqarb
 | Line No. | Total | Covered | Percent | 
| TOTAL |  | 22 | 22 | 100.00 | 
| CONT_ASSIGN | 55 | 0 | 0 |  | 
| CONT_ASSIGN | 75 | 1 | 1 | 100.00 | 
| CONT_ASSIGN | 76 | 1 | 1 | 100.00 | 
| ALWAYS | 82 | 3 | 3 | 100.00 | 
| CONT_ASSIGN | 89 | 1 | 1 | 100.00 | 
| CONT_ASSIGN | 90 | 1 | 1 | 100.00 | 
| CONT_ASSIGN | 92 | 1 | 1 | 100.00 | 
| CONT_ASSIGN | 94 | 1 | 1 | 100.00 | 
| ALWAYS | 96 | 5 | 5 | 100.00 | 
| ALWAYS | 109 | 4 | 4 | 100.00 | 
| ALWAYS | 124 | 4 | 4 | 100.00 | 
54                        logic unused_req_chk;
55         unreachable    assign unused_req_chk = req_chk_i;
56                      
57                        `ASSERT_INIT(CheckNGreaterZero_A, N > 0)
58                      
59                        // this case is basically just a bypass
60                        if (N == 1) begin : gen_degenerate_case
61                      
62                          assign valid_o  = req_i[0];
63                          assign data_o   = data_i[0];
64                          assign gnt_o[0] = valid_o & ready_i;
65                          assign idx_o    = '0;
66                      
67                        end else begin : gen_normal_case
68                      
69                          logic [N-1:0] masked_req;
70                          logic [N-1:0] ppc_out;
71                          logic [N-1:0] arb_req;
72                          logic [N-1:0] mask, mask_next;
73                          logic [N-1:0] winner;
74                      
75         1/1              assign masked_req = mask & req_i;
           Tests:       T1 T2 T3 
76         1/1              assign arb_req = (|masked_req) ? masked_req : req_i;
           Tests:       T1 T2 T3 
77                      
78                          // PPC
79                          //   Even below code looks O(n) but DC optimizes it to O(log(N))
80                          //   Using Parallel Prefix Computation
81                          always_comb begin
82         1/1                ppc_out[0] = arb_req[0];
           Tests:       T1 T2 T3 
83         1/1                for (int i = 1 ; i < N ; i++) begin
           Tests:       T1 T2 T3 
84         1/1                  ppc_out[i] = ppc_out[i-1] | arb_req[i];
           Tests:       T1 T2 T3 
85                            end
86                          end
87                      
88                          // Grant Generation: Leading-One detector
89         1/1              assign winner = ppc_out ^ {ppc_out[N-2:0], 1'b0};
           Tests:       T1 T2 T3 
90         1/1              assign gnt_o    = (ready_i) ? winner : '0;
           Tests:       T1 T2 T3 
91                      
92         1/1              assign valid_o = |req_i;
           Tests:       T1 T2 T3 
93                          // Mask Generation
94         1/1              assign mask_next = {ppc_out[N-2:0], 1'b0};
           Tests:       T1 T2 T3 
95                          always_ff @(posedge clk_i or negedge rst_ni) begin
96         1/1                if (!rst_ni) begin
           Tests:       T1 T2 T3 
97         1/1                  mask <= '0;
           Tests:       T1 T2 T3 
98         1/1                end else if (valid_o && ready_i) begin
           Tests:       T1 T2 T3 
99                              // Latch only when requests accepted
100        1/1                  mask <= mask_next;
           Tests:       T5 T6 T7 
101        1/1                end else if (valid_o && !ready_i) begin
           Tests:       T1 T2 T3 
102                             // Downstream isn't yet ready so, keep current request alive. (First come first serve)
103        unreachable          mask <= ppc_out;
104                           end
                        MISSING_ELSE
105                         end
106                     
107                         if (EnDataPort == 1) begin: gen_datapath
108                           always_comb begin
109        1/1                  data_o = '0;
           Tests:       T1 T2 T3 
110        1/1                  for (int i = 0 ; i < N ; i++) begin
           Tests:       T1 T2 T3 
111        1/1                    if (winner[i]) begin
           Tests:       T1 T2 T3 
112        1/1                      data_o = data_i[i];
           Tests:       T5 T6 T7 
113                               end
                        MISSING_ELSE
114                             end
115                           end
116                         end else begin: gen_nodatapath
117                           assign data_o = '1;
118                           // The following signal is used to avoid possible lint errors.
119                           logic [DW-1:0] unused_data [N];
120                           assign unused_data = data_i;
121                         end
122                     
123                         always_comb begin
124        1/1                idx_o = '0;
           Tests:       T1 T2 T3 
125        1/1                for (int unsigned i = 0 ; i < N ; i++) begin
           Tests:       T1 T2 T3 
126        1/1                  if (winner[i]) begin
           Tests:       T1 T2 T3 
127        1/1                    idx_o = i[IdxW-1:0];
           Tests:       T5 T6 T7 
128                             end
                        MISSING_ELSE
Cond Coverage for Instance : tb.dut.u_sys_sram_arbiter.gen_arb_ppc.u_reqarb
 | Total | Covered | Percent | 
| Conditions | 9 | 8 | 88.89 | 
| Logical | 9 | 8 | 88.89 | 
| Non-Logical | 0 | 0 |  | 
| Event | 0 | 0 |  | 
 LINE       76
 EXPRESSION (((|gen_normal_case.masked_req)) ? gen_normal_case.masked_req : req_i)
             ---------------1---------------
| -1- | Status | Tests |                       
| 0 | Covered | T1,T2,T3 | 
| 1 | Covered | T5,T11,T13 | 
 LINE       84
 EXPRESSION (gen_normal_case.ppc_out[(i - 1)] | gen_normal_case.arb_req[i])
             ----------------1---------------   -------------2------------
| -1- | -2- | Status | Tests |                       
| 0 | 0 | Covered | T1,T2,T3 | 
| 0 | 1 | Covered | T5,T11,T13 | 
| 1 | 0 | Covered | T5,T6,T7 | 
 LINE       90
 EXPRESSION (ready_i ? gen_normal_case.winner : '0)
             ---1---
| -1- | Status | Tests |                       
| 0 | Unreachable |  | 
| 1 | Covered | T1,T2,T3 | 
 LINE       98
 EXPRESSION (valid_o && ready_i)
             ---1---    ---2---
| -1- | -2- | Status | Tests |                       
| 0 | 1 | Covered | T1,T2,T3 | 
| 1 | 0 | Unreachable |  | 
| 1 | 1 | Covered | T5,T6,T7 | 
 LINE       101
 EXPRESSION (valid_o && ((!ready_i)))
             ---1---    ------2-----
| -1- | -2- | Status | Tests |                       
| 0 | 1 | Unreachable |  | 
| 1 | 0 | Not Covered |  | 
| 1 | 1 | Unreachable |  | 
Branch Coverage for Instance : tb.dut.u_sys_sram_arbiter.gen_arb_ppc.u_reqarb
 | Line No. | Total | Covered | Percent | 
| Branches | 
 | 
10 | 
10 | 
100.00 | 
| TERNARY | 
76 | 
2 | 
2 | 
100.00 | 
| TERNARY | 
90 | 
1 | 
1 | 
100.00 | 
| IF | 
96 | 
3 | 
3 | 
100.00 | 
| IF | 
126 | 
2 | 
2 | 
100.00 | 
| IF | 
111 | 
2 | 
2 | 
100.00 | 
76             assign arb_req = (|masked_req) ? masked_req : req_i;
                                              -1-  
                                              ==>  
                                              ==>  
Branches:
| -1- | Status | Tests | 
| 1 | 
Covered | 
T5,T11,T13 | 
| 0 | 
Covered | 
T1,T2,T3 | 
90             assign gnt_o    = (ready_i) ? winner : '0;
                                           -1-  
                                           ==>  
                                           ==> (Unreachable)  
Branches:
| -1- | Status | Tests | 
| 1 | 
Covered | 
T1,T2,T3 | 
| 0 | 
Unreachable | 
 | 
96               if (!rst_ni) begin
                 -1-  
97                 mask <= '0;
                   ==>
98               end else if (valid_o && ready_i) begin
                          -2-  
99                 // Latch only when requests accepted
100                mask <= mask_next;
                   ==>
101              end else if (valid_o && !ready_i) begin
                          -3-  
102                // Downstream isn't yet ready so, keep current request alive. (First come first serve)
103                mask <= ppc_out;
                   ==> (Unreachable)
104              end
                 MISSING_ELSE
                 ==>
Branches:
| -1- | -2- | -3- | Status | Tests | 
| 1 | 
- | 
- | 
Covered | 
T1,T2,T3 | 
| 0 | 
1 | 
- | 
Covered | 
T5,T6,T7 | 
| 0 | 
0 | 
1 | 
Unreachable | 
 | 
| 0 | 
0 | 
0 | 
Covered | 
T1,T2,T3 | 
126                if (winner[i]) begin
                   -1-  
127                  idx_o = i[IdxW-1:0];
                     ==>
128                end
                   MISSING_ELSE
                   ==>
Branches:
| -1- | Status | Tests | 
| 1 | 
Covered | 
T5,T6,T7 | 
| 0 | 
Covered | 
T1,T2,T3 | 
111                  if (winner[i]) begin
                     -1-  
112                    data_o = data_i[i];
                       ==>
113                  end
                     MISSING_ELSE
                     ==>
Branches:
| -1- | Status | Tests | 
| 1 | 
Covered | 
T5,T6,T7 | 
| 0 | 
Covered | 
T1,T2,T3 | 
Assert Coverage for Instance : tb.dut.u_sys_sram_arbiter.gen_arb_ppc.u_reqarb
Assertion Details
CheckHotOne_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
462781049 | 
462693125 | 
0 | 
0 | 
| T1 | 
3076 | 
2985 | 
0 | 
0 | 
| T2 | 
1305 | 
1228 | 
0 | 
0 | 
| T3 | 
1321 | 
1234 | 
0 | 
0 | 
| T4 | 
7566 | 
7483 | 
0 | 
0 | 
| T5 | 
4139 | 
4040 | 
0 | 
0 | 
| T6 | 
29503 | 
29447 | 
0 | 
0 | 
| T7 | 
11627 | 
11544 | 
0 | 
0 | 
| T8 | 
17002 | 
16949 | 
0 | 
0 | 
| T9 | 
3090 | 
3031 | 
0 | 
0 | 
| T10 | 
5714 | 
4162 | 
0 | 
0 | 
CheckNGreaterZero_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
956 | 
956 | 
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 | 
GntImpliesReady_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
462781049 | 
2229339 | 
0 | 
0 | 
| T5 | 
4139 | 
116 | 
0 | 
0 | 
| T6 | 
29503 | 
832 | 
0 | 
0 | 
| T7 | 
11627 | 
832 | 
0 | 
0 | 
| T8 | 
17002 | 
832 | 
0 | 
0 | 
| T9 | 
3090 | 
0 | 
0 | 
0 | 
| T10 | 
5714 | 
0 | 
0 | 
0 | 
| T11 | 
91546 | 
719 | 
0 | 
0 | 
| T12 | 
1975 | 
0 | 
0 | 
0 | 
| T13 | 
163302 | 
2247 | 
0 | 
0 | 
| T15 | 
0 | 
68 | 
0 | 
0 | 
| T16 | 
0 | 
832 | 
0 | 
0 | 
| T17 | 
0 | 
832 | 
0 | 
0 | 
| T36 | 
817 | 
0 | 
0 | 
0 | 
| T37 | 
0 | 
832 | 
0 | 
0 | 
GntImpliesValid_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
462781049 | 
2229339 | 
0 | 
0 | 
| T5 | 
4139 | 
116 | 
0 | 
0 | 
| T6 | 
29503 | 
832 | 
0 | 
0 | 
| T7 | 
11627 | 
832 | 
0 | 
0 | 
| T8 | 
17002 | 
832 | 
0 | 
0 | 
| T9 | 
3090 | 
0 | 
0 | 
0 | 
| T10 | 
5714 | 
0 | 
0 | 
0 | 
| T11 | 
91546 | 
719 | 
0 | 
0 | 
| T12 | 
1975 | 
0 | 
0 | 
0 | 
| T13 | 
163302 | 
2247 | 
0 | 
0 | 
| T15 | 
0 | 
68 | 
0 | 
0 | 
| T16 | 
0 | 
832 | 
0 | 
0 | 
| T17 | 
0 | 
832 | 
0 | 
0 | 
| T36 | 
817 | 
0 | 
0 | 
0 | 
| T37 | 
0 | 
832 | 
0 | 
0 | 
GrantKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
462781049 | 
462693125 | 
0 | 
0 | 
| T1 | 
3076 | 
2985 | 
0 | 
0 | 
| T2 | 
1305 | 
1228 | 
0 | 
0 | 
| T3 | 
1321 | 
1234 | 
0 | 
0 | 
| T4 | 
7566 | 
7483 | 
0 | 
0 | 
| T5 | 
4139 | 
4040 | 
0 | 
0 | 
| T6 | 
29503 | 
29447 | 
0 | 
0 | 
| T7 | 
11627 | 
11544 | 
0 | 
0 | 
| T8 | 
17002 | 
16949 | 
0 | 
0 | 
| T9 | 
3090 | 
3031 | 
0 | 
0 | 
| T10 | 
5714 | 
4162 | 
0 | 
0 | 
IdxKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
462781049 | 
462693125 | 
0 | 
0 | 
| T1 | 
3076 | 
2985 | 
0 | 
0 | 
| T2 | 
1305 | 
1228 | 
0 | 
0 | 
| T3 | 
1321 | 
1234 | 
0 | 
0 | 
| T4 | 
7566 | 
7483 | 
0 | 
0 | 
| T5 | 
4139 | 
4040 | 
0 | 
0 | 
| T6 | 
29503 | 
29447 | 
0 | 
0 | 
| T7 | 
11627 | 
11544 | 
0 | 
0 | 
| T8 | 
17002 | 
16949 | 
0 | 
0 | 
| T9 | 
3090 | 
3031 | 
0 | 
0 | 
| T10 | 
5714 | 
4162 | 
0 | 
0 | 
IndexIsCorrect_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
462781049 | 
2229339 | 
0 | 
0 | 
| T5 | 
4139 | 
116 | 
0 | 
0 | 
| T6 | 
29503 | 
832 | 
0 | 
0 | 
| T7 | 
11627 | 
832 | 
0 | 
0 | 
| T8 | 
17002 | 
832 | 
0 | 
0 | 
| T9 | 
3090 | 
0 | 
0 | 
0 | 
| T10 | 
5714 | 
0 | 
0 | 
0 | 
| T11 | 
91546 | 
719 | 
0 | 
0 | 
| T12 | 
1975 | 
0 | 
0 | 
0 | 
| T13 | 
163302 | 
2247 | 
0 | 
0 | 
| T15 | 
0 | 
68 | 
0 | 
0 | 
| T16 | 
0 | 
832 | 
0 | 
0 | 
| T17 | 
0 | 
832 | 
0 | 
0 | 
| T36 | 
817 | 
0 | 
0 | 
0 | 
| T37 | 
0 | 
832 | 
0 | 
0 | 
LockArbDecision_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
462781049 | 
0 | 
0 | 
0 | 
NoReadyValidNoGrant_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
462781049 | 
0 | 
0 | 
0 | 
ReadyAndValidImplyGrant_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
462781049 | 
2229339 | 
0 | 
0 | 
| T5 | 
4139 | 
116 | 
0 | 
0 | 
| T6 | 
29503 | 
832 | 
0 | 
0 | 
| T7 | 
11627 | 
832 | 
0 | 
0 | 
| T8 | 
17002 | 
832 | 
0 | 
0 | 
| T9 | 
3090 | 
0 | 
0 | 
0 | 
| T10 | 
5714 | 
0 | 
0 | 
0 | 
| T11 | 
91546 | 
719 | 
0 | 
0 | 
| T12 | 
1975 | 
0 | 
0 | 
0 | 
| T13 | 
163302 | 
2247 | 
0 | 
0 | 
| T15 | 
0 | 
68 | 
0 | 
0 | 
| T16 | 
0 | 
832 | 
0 | 
0 | 
| T17 | 
0 | 
832 | 
0 | 
0 | 
| T36 | 
817 | 
0 | 
0 | 
0 | 
| T37 | 
0 | 
832 | 
0 | 
0 | 
ReqAndReadyImplyGrant_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
462781049 | 
2229339 | 
0 | 
0 | 
| T5 | 
4139 | 
116 | 
0 | 
0 | 
| T6 | 
29503 | 
832 | 
0 | 
0 | 
| T7 | 
11627 | 
832 | 
0 | 
0 | 
| T8 | 
17002 | 
832 | 
0 | 
0 | 
| T9 | 
3090 | 
0 | 
0 | 
0 | 
| T10 | 
5714 | 
0 | 
0 | 
0 | 
| T11 | 
91546 | 
719 | 
0 | 
0 | 
| T12 | 
1975 | 
0 | 
0 | 
0 | 
| T13 | 
163302 | 
2247 | 
0 | 
0 | 
| T15 | 
0 | 
68 | 
0 | 
0 | 
| T16 | 
0 | 
832 | 
0 | 
0 | 
| T17 | 
0 | 
832 | 
0 | 
0 | 
| T36 | 
817 | 
0 | 
0 | 
0 | 
| T37 | 
0 | 
832 | 
0 | 
0 | 
ReqImpliesValid_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
462781049 | 
2229339 | 
0 | 
0 | 
| T5 | 
4139 | 
116 | 
0 | 
0 | 
| T6 | 
29503 | 
832 | 
0 | 
0 | 
| T7 | 
11627 | 
832 | 
0 | 
0 | 
| T8 | 
17002 | 
832 | 
0 | 
0 | 
| T9 | 
3090 | 
0 | 
0 | 
0 | 
| T10 | 
5714 | 
0 | 
0 | 
0 | 
| T11 | 
91546 | 
719 | 
0 | 
0 | 
| T12 | 
1975 | 
0 | 
0 | 
0 | 
| T13 | 
163302 | 
2247 | 
0 | 
0 | 
| T15 | 
0 | 
68 | 
0 | 
0 | 
| T16 | 
0 | 
832 | 
0 | 
0 | 
| T17 | 
0 | 
832 | 
0 | 
0 | 
| T36 | 
817 | 
0 | 
0 | 
0 | 
| T37 | 
0 | 
832 | 
0 | 
0 | 
ReqStaysHighUntilGranted0_M
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
462781049 | 
0 | 
0 | 
0 | 
RoundRobin_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
462781049 | 
2 | 
0 | 
956 | 
| T74 | 
432399 | 
1 | 
0 | 
1 | 
| T75 | 
458756 | 
1 | 
0 | 
1 | 
| T76 | 
696616 | 
0 | 
0 | 
1 | 
| T77 | 
532621 | 
0 | 
0 | 
1 | 
| T78 | 
741960 | 
0 | 
0 | 
1 | 
| T79 | 
895048 | 
0 | 
0 | 
1 | 
| T80 | 
100837 | 
0 | 
0 | 
1 | 
ValidKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
462781049 | 
462693125 | 
0 | 
0 | 
| T1 | 
3076 | 
2985 | 
0 | 
0 | 
| T2 | 
1305 | 
1228 | 
0 | 
0 | 
| T3 | 
1321 | 
1234 | 
0 | 
0 | 
| T4 | 
7566 | 
7483 | 
0 | 
0 | 
| T5 | 
4139 | 
4040 | 
0 | 
0 | 
| T6 | 
29503 | 
29447 | 
0 | 
0 | 
| T7 | 
11627 | 
11544 | 
0 | 
0 | 
| T8 | 
17002 | 
16949 | 
0 | 
0 | 
| T9 | 
3090 | 
3031 | 
0 | 
0 | 
| T10 | 
5714 | 
4162 | 
0 | 
0 | 
gen_data_port_assertion.DataFlow_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
462781049 | 
2229339 | 
0 | 
0 | 
| T5 | 
4139 | 
116 | 
0 | 
0 | 
| T6 | 
29503 | 
832 | 
0 | 
0 | 
| T7 | 
11627 | 
832 | 
0 | 
0 | 
| T8 | 
17002 | 
832 | 
0 | 
0 | 
| T9 | 
3090 | 
0 | 
0 | 
0 | 
| T10 | 
5714 | 
0 | 
0 | 
0 | 
| T11 | 
91546 | 
719 | 
0 | 
0 | 
| T12 | 
1975 | 
0 | 
0 | 
0 | 
| T13 | 
163302 | 
2247 | 
0 | 
0 | 
| T15 | 
0 | 
68 | 
0 | 
0 | 
| T16 | 
0 | 
832 | 
0 | 
0 | 
| T17 | 
0 | 
832 | 
0 | 
0 | 
| T36 | 
817 | 
0 | 
0 | 
0 | 
| T37 | 
0 | 
832 | 
0 | 
0 |