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:       T4 T5 T6 
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:       T4 T5 T6 
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:       T4 T5 T6 
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:       T3 T4 T7 
99                              // Latch only when requests accepted
100        1/1                  mask <= mask_next;
           Tests:       T4 T11 T17 
101        1/1                end else if (valid_o && !ready_i) begin
           Tests:       T3 T4 T7 
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:       T4 T11 T17 
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:       T4 T11 T17 
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 | T4,T11,T17 | 
| 1 | 0 | Covered | T4,T11,T17 | 
 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 | T3,T4,T7 | 
| 1 | 0 | Unreachable |  | 
| 1 | 1 | Covered | T4,T11,T17 | 
 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 | T15,T17,T46 | 
 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 | T15,T17,T46 | 
| 1 | 0 | Covered | T15,T17,T46 | 
 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 | T5,T6,T8 | 
| 1 | 0 | Unreachable |  | 
| 1 | 1 | Covered | T15,T17,T46 | 
 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 | T11,T15,T17 | 
 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 | T4,T11,T15 | 
| 1 | 0 | Covered | T4,T5,T6 | 
 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 | T4,T5,T6 | 
 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 | 
T11,T15,T17 | 
| 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 | 
T4,T5,T6 | 
| 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 | 
T4,T5,T6 | 
| 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 | 
T4,T5,T6 | 
| 0 | 
Covered | 
T1,T2,T3 | 
Assert Coverage for Module : 
prim_arbiter_ppc
Assertion Details
CheckHotOne_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
738209477 | 
585174229 | 
0 | 
0 | 
| T1 | 
1404 | 
1308 | 
0 | 
0 | 
| T2 | 
1589 | 
1496 | 
0 | 
0 | 
| T3 | 
3245 | 
3181 | 
0 | 
0 | 
| T4 | 
2960 | 
2742 | 
0 | 
0 | 
| T5 | 
88404 | 
66929 | 
0 | 
0 | 
| T6 | 
82263 | 
56658 | 
0 | 
0 | 
| T7 | 
539065 | 
476586 | 
0 | 
0 | 
| T8 | 
109326 | 
82614 | 
0 | 
0 | 
| T9 | 
17704 | 
15557 | 
0 | 
0 | 
| T10 | 
112948 | 
97722 | 
0 | 
0 | 
| T11 | 
427066 | 
206808 | 
0 | 
0 | 
| T12 | 
289232 | 
144500 | 
0 | 
0 | 
| T13 | 
16133 | 
16133 | 
0 | 
0 | 
| T14 | 
65873 | 
65873 | 
0 | 
0 | 
| T15 | 
0 | 
248469 | 
0 | 
0 | 
| T17 | 
0 | 
311549 | 
0 | 
0 | 
| T25 | 
0 | 
1008 | 
0 | 
0 | 
| T26 | 
0 | 
2520 | 
0 | 
0 | 
| T27 | 
0 | 
78744 | 
0 | 
0 | 
| T28 | 
0 | 
354616 | 
0 | 
0 | 
| T29 | 
0 | 
58480 | 
0 | 
0 | 
CheckNGreaterZero_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
2865 | 
2865 | 
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 | 
738209477 | 
3713125 | 
0 | 
0 | 
| T4 | 
2960 | 
83 | 
0 | 
0 | 
| T5 | 
67012 | 
832 | 
0 | 
0 | 
| T6 | 
57211 | 
832 | 
0 | 
0 | 
| T7 | 
478717 | 
0 | 
0 | 
0 | 
| T8 | 
82759 | 
832 | 
0 | 
0 | 
| T9 | 
15624 | 
832 | 
0 | 
0 | 
| T10 | 
97822 | 
832 | 
0 | 
0 | 
| T11 | 
387905 | 
6053 | 
0 | 
0 | 
| T12 | 
184593 | 
832 | 
0 | 
0 | 
| T13 | 
132114 | 
832 | 
0 | 
0 | 
| T14 | 
0 | 
2368 | 
0 | 
0 | 
| T15 | 
249312 | 
2674 | 
0 | 
0 | 
| T17 | 
314116 | 
5613 | 
0 | 
0 | 
| T25 | 
1302 | 
0 | 
0 | 
0 | 
| T26 | 
2520 | 
202 | 
0 | 
0 | 
| T27 | 
82904 | 
0 | 
0 | 
0 | 
| T28 | 
0 | 
4746 | 
0 | 
0 | 
| T34 | 
15578 | 
0 | 
0 | 
0 | 
| T35 | 
8256 | 
0 | 
0 | 
0 | 
| T36 | 
22424 | 
0 | 
0 | 
0 | 
| T39 | 
0 | 
2652 | 
0 | 
0 | 
| T41 | 
0 | 
135 | 
0 | 
0 | 
| T42 | 
0 | 
5558 | 
0 | 
0 | 
| T43 | 
0 | 
3250 | 
0 | 
0 | 
| T44 | 
0 | 
3601 | 
0 | 
0 | 
| T46 | 
0 | 
8 | 
0 | 
0 | 
| T49 | 
17836 | 
0 | 
0 | 
0 | 
| T58 | 
31936 | 
0 | 
0 | 
0 | 
| T59 | 
0 | 
96 | 
0 | 
0 | 
GntImpliesValid_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
738209477 | 
3713125 | 
0 | 
0 | 
| T4 | 
2960 | 
83 | 
0 | 
0 | 
| T5 | 
67012 | 
832 | 
0 | 
0 | 
| T6 | 
57211 | 
832 | 
0 | 
0 | 
| T7 | 
478717 | 
0 | 
0 | 
0 | 
| T8 | 
82759 | 
832 | 
0 | 
0 | 
| T9 | 
15624 | 
832 | 
0 | 
0 | 
| T10 | 
97822 | 
832 | 
0 | 
0 | 
| T11 | 
387905 | 
6053 | 
0 | 
0 | 
| T12 | 
184593 | 
832 | 
0 | 
0 | 
| T13 | 
132114 | 
832 | 
0 | 
0 | 
| T14 | 
0 | 
2368 | 
0 | 
0 | 
| T15 | 
249312 | 
2674 | 
0 | 
0 | 
| T17 | 
314116 | 
5613 | 
0 | 
0 | 
| T25 | 
1302 | 
0 | 
0 | 
0 | 
| T26 | 
2520 | 
202 | 
0 | 
0 | 
| T27 | 
82904 | 
0 | 
0 | 
0 | 
| T28 | 
0 | 
4746 | 
0 | 
0 | 
| T34 | 
15578 | 
0 | 
0 | 
0 | 
| T35 | 
8256 | 
0 | 
0 | 
0 | 
| T36 | 
22424 | 
0 | 
0 | 
0 | 
| T39 | 
0 | 
2652 | 
0 | 
0 | 
| T41 | 
0 | 
135 | 
0 | 
0 | 
| T42 | 
0 | 
5558 | 
0 | 
0 | 
| T43 | 
0 | 
3250 | 
0 | 
0 | 
| T44 | 
0 | 
3601 | 
0 | 
0 | 
| T46 | 
0 | 
8 | 
0 | 
0 | 
| T49 | 
17836 | 
0 | 
0 | 
0 | 
| T58 | 
31936 | 
0 | 
0 | 
0 | 
| T59 | 
0 | 
96 | 
0 | 
0 | 
GrantKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
738209477 | 
585174229 | 
0 | 
0 | 
| T1 | 
1404 | 
1308 | 
0 | 
0 | 
| T2 | 
1589 | 
1496 | 
0 | 
0 | 
| T3 | 
3245 | 
3181 | 
0 | 
0 | 
| T4 | 
2960 | 
2742 | 
0 | 
0 | 
| T5 | 
88404 | 
66929 | 
0 | 
0 | 
| T6 | 
82263 | 
56658 | 
0 | 
0 | 
| T7 | 
539065 | 
476586 | 
0 | 
0 | 
| T8 | 
109326 | 
82614 | 
0 | 
0 | 
| T9 | 
17704 | 
15557 | 
0 | 
0 | 
| T10 | 
112948 | 
97722 | 
0 | 
0 | 
| T11 | 
427066 | 
206808 | 
0 | 
0 | 
| T12 | 
289232 | 
144500 | 
0 | 
0 | 
| T13 | 
16133 | 
16133 | 
0 | 
0 | 
| T14 | 
65873 | 
65873 | 
0 | 
0 | 
| T15 | 
0 | 
248469 | 
0 | 
0 | 
| T17 | 
0 | 
311549 | 
0 | 
0 | 
| T25 | 
0 | 
1008 | 
0 | 
0 | 
| T26 | 
0 | 
2520 | 
0 | 
0 | 
| T27 | 
0 | 
78744 | 
0 | 
0 | 
| T28 | 
0 | 
354616 | 
0 | 
0 | 
| T29 | 
0 | 
58480 | 
0 | 
0 | 
IdxKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
738209477 | 
585174229 | 
0 | 
0 | 
| T1 | 
1404 | 
1308 | 
0 | 
0 | 
| T2 | 
1589 | 
1496 | 
0 | 
0 | 
| T3 | 
3245 | 
3181 | 
0 | 
0 | 
| T4 | 
2960 | 
2742 | 
0 | 
0 | 
| T5 | 
88404 | 
66929 | 
0 | 
0 | 
| T6 | 
82263 | 
56658 | 
0 | 
0 | 
| T7 | 
539065 | 
476586 | 
0 | 
0 | 
| T8 | 
109326 | 
82614 | 
0 | 
0 | 
| T9 | 
17704 | 
15557 | 
0 | 
0 | 
| T10 | 
112948 | 
97722 | 
0 | 
0 | 
| T11 | 
427066 | 
206808 | 
0 | 
0 | 
| T12 | 
289232 | 
144500 | 
0 | 
0 | 
| T13 | 
16133 | 
16133 | 
0 | 
0 | 
| T14 | 
65873 | 
65873 | 
0 | 
0 | 
| T15 | 
0 | 
248469 | 
0 | 
0 | 
| T17 | 
0 | 
311549 | 
0 | 
0 | 
| T25 | 
0 | 
1008 | 
0 | 
0 | 
| T26 | 
0 | 
2520 | 
0 | 
0 | 
| T27 | 
0 | 
78744 | 
0 | 
0 | 
| T28 | 
0 | 
354616 | 
0 | 
0 | 
| T29 | 
0 | 
58480 | 
0 | 
0 | 
IndexIsCorrect_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
738209477 | 
3713125 | 
0 | 
0 | 
| T4 | 
2960 | 
83 | 
0 | 
0 | 
| T5 | 
67012 | 
832 | 
0 | 
0 | 
| T6 | 
57211 | 
832 | 
0 | 
0 | 
| T7 | 
478717 | 
0 | 
0 | 
0 | 
| T8 | 
82759 | 
832 | 
0 | 
0 | 
| T9 | 
15624 | 
832 | 
0 | 
0 | 
| T10 | 
97822 | 
832 | 
0 | 
0 | 
| T11 | 
387905 | 
6053 | 
0 | 
0 | 
| T12 | 
184593 | 
832 | 
0 | 
0 | 
| T13 | 
132114 | 
832 | 
0 | 
0 | 
| T14 | 
0 | 
2368 | 
0 | 
0 | 
| T15 | 
249312 | 
2674 | 
0 | 
0 | 
| T17 | 
314116 | 
5613 | 
0 | 
0 | 
| T25 | 
1302 | 
0 | 
0 | 
0 | 
| T26 | 
2520 | 
202 | 
0 | 
0 | 
| T27 | 
82904 | 
0 | 
0 | 
0 | 
| T28 | 
0 | 
4746 | 
0 | 
0 | 
| T34 | 
15578 | 
0 | 
0 | 
0 | 
| T35 | 
8256 | 
0 | 
0 | 
0 | 
| T36 | 
22424 | 
0 | 
0 | 
0 | 
| T39 | 
0 | 
2652 | 
0 | 
0 | 
| T41 | 
0 | 
135 | 
0 | 
0 | 
| T42 | 
0 | 
5558 | 
0 | 
0 | 
| T43 | 
0 | 
3250 | 
0 | 
0 | 
| T44 | 
0 | 
3601 | 
0 | 
0 | 
| T46 | 
0 | 
8 | 
0 | 
0 | 
| T49 | 
17836 | 
0 | 
0 | 
0 | 
| T58 | 
31936 | 
0 | 
0 | 
0 | 
| T59 | 
0 | 
96 | 
0 | 
0 | 
LockArbDecision_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
738209477 | 
0 | 
0 | 
0 | 
NoReadyValidNoGrant_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
738209477 | 
0 | 
0 | 
0 | 
ReadyAndValidImplyGrant_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
738209477 | 
3713125 | 
0 | 
0 | 
| T4 | 
2960 | 
83 | 
0 | 
0 | 
| T5 | 
67012 | 
832 | 
0 | 
0 | 
| T6 | 
57211 | 
832 | 
0 | 
0 | 
| T7 | 
478717 | 
0 | 
0 | 
0 | 
| T8 | 
82759 | 
832 | 
0 | 
0 | 
| T9 | 
15624 | 
832 | 
0 | 
0 | 
| T10 | 
97822 | 
832 | 
0 | 
0 | 
| T11 | 
387905 | 
6053 | 
0 | 
0 | 
| T12 | 
184593 | 
832 | 
0 | 
0 | 
| T13 | 
132114 | 
832 | 
0 | 
0 | 
| T14 | 
0 | 
2368 | 
0 | 
0 | 
| T15 | 
249312 | 
2674 | 
0 | 
0 | 
| T17 | 
314116 | 
5613 | 
0 | 
0 | 
| T25 | 
1302 | 
0 | 
0 | 
0 | 
| T26 | 
2520 | 
202 | 
0 | 
0 | 
| T27 | 
82904 | 
0 | 
0 | 
0 | 
| T28 | 
0 | 
4746 | 
0 | 
0 | 
| T34 | 
15578 | 
0 | 
0 | 
0 | 
| T35 | 
8256 | 
0 | 
0 | 
0 | 
| T36 | 
22424 | 
0 | 
0 | 
0 | 
| T39 | 
0 | 
2652 | 
0 | 
0 | 
| T41 | 
0 | 
135 | 
0 | 
0 | 
| T42 | 
0 | 
5558 | 
0 | 
0 | 
| T43 | 
0 | 
3250 | 
0 | 
0 | 
| T44 | 
0 | 
3601 | 
0 | 
0 | 
| T46 | 
0 | 
8 | 
0 | 
0 | 
| T49 | 
17836 | 
0 | 
0 | 
0 | 
| T58 | 
31936 | 
0 | 
0 | 
0 | 
| T59 | 
0 | 
96 | 
0 | 
0 | 
ReqAndReadyImplyGrant_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
738209477 | 
3713125 | 
0 | 
0 | 
| T4 | 
2960 | 
83 | 
0 | 
0 | 
| T5 | 
67012 | 
832 | 
0 | 
0 | 
| T6 | 
57211 | 
832 | 
0 | 
0 | 
| T7 | 
478717 | 
0 | 
0 | 
0 | 
| T8 | 
82759 | 
832 | 
0 | 
0 | 
| T9 | 
15624 | 
832 | 
0 | 
0 | 
| T10 | 
97822 | 
832 | 
0 | 
0 | 
| T11 | 
387905 | 
6053 | 
0 | 
0 | 
| T12 | 
184593 | 
832 | 
0 | 
0 | 
| T13 | 
132114 | 
832 | 
0 | 
0 | 
| T14 | 
0 | 
2368 | 
0 | 
0 | 
| T15 | 
249312 | 
2674 | 
0 | 
0 | 
| T17 | 
314116 | 
5613 | 
0 | 
0 | 
| T25 | 
1302 | 
0 | 
0 | 
0 | 
| T26 | 
2520 | 
202 | 
0 | 
0 | 
| T27 | 
82904 | 
0 | 
0 | 
0 | 
| T28 | 
0 | 
4746 | 
0 | 
0 | 
| T34 | 
15578 | 
0 | 
0 | 
0 | 
| T35 | 
8256 | 
0 | 
0 | 
0 | 
| T36 | 
22424 | 
0 | 
0 | 
0 | 
| T39 | 
0 | 
2652 | 
0 | 
0 | 
| T41 | 
0 | 
135 | 
0 | 
0 | 
| T42 | 
0 | 
5558 | 
0 | 
0 | 
| T43 | 
0 | 
3250 | 
0 | 
0 | 
| T44 | 
0 | 
3601 | 
0 | 
0 | 
| T46 | 
0 | 
8 | 
0 | 
0 | 
| T49 | 
17836 | 
0 | 
0 | 
0 | 
| T58 | 
31936 | 
0 | 
0 | 
0 | 
| T59 | 
0 | 
96 | 
0 | 
0 | 
ReqImpliesValid_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
738209477 | 
3713125 | 
0 | 
0 | 
| T4 | 
2960 | 
83 | 
0 | 
0 | 
| T5 | 
67012 | 
832 | 
0 | 
0 | 
| T6 | 
57211 | 
832 | 
0 | 
0 | 
| T7 | 
478717 | 
0 | 
0 | 
0 | 
| T8 | 
82759 | 
832 | 
0 | 
0 | 
| T9 | 
15624 | 
832 | 
0 | 
0 | 
| T10 | 
97822 | 
832 | 
0 | 
0 | 
| T11 | 
387905 | 
6053 | 
0 | 
0 | 
| T12 | 
184593 | 
832 | 
0 | 
0 | 
| T13 | 
132114 | 
832 | 
0 | 
0 | 
| T14 | 
0 | 
2368 | 
0 | 
0 | 
| T15 | 
249312 | 
2674 | 
0 | 
0 | 
| T17 | 
314116 | 
5613 | 
0 | 
0 | 
| T25 | 
1302 | 
0 | 
0 | 
0 | 
| T26 | 
2520 | 
202 | 
0 | 
0 | 
| T27 | 
82904 | 
0 | 
0 | 
0 | 
| T28 | 
0 | 
4746 | 
0 | 
0 | 
| T34 | 
15578 | 
0 | 
0 | 
0 | 
| T35 | 
8256 | 
0 | 
0 | 
0 | 
| T36 | 
22424 | 
0 | 
0 | 
0 | 
| T39 | 
0 | 
2652 | 
0 | 
0 | 
| T41 | 
0 | 
135 | 
0 | 
0 | 
| T42 | 
0 | 
5558 | 
0 | 
0 | 
| T43 | 
0 | 
3250 | 
0 | 
0 | 
| T44 | 
0 | 
3601 | 
0 | 
0 | 
| T46 | 
0 | 
8 | 
0 | 
0 | 
| T49 | 
17836 | 
0 | 
0 | 
0 | 
| T58 | 
31936 | 
0 | 
0 | 
0 | 
| T59 | 
0 | 
96 | 
0 | 
0 | 
ReqStaysHighUntilGranted0_M
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
738209477 | 
0 | 
0 | 
0 | 
RoundRobin_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
738209477 | 
3 | 
0 | 
955 | 
| T60 | 
554560 | 
1 | 
0 | 
1 | 
| T61 | 
0 | 
1 | 
0 | 
0 | 
| T62 | 
0 | 
1 | 
0 | 
0 | 
| T63 | 
32716 | 
0 | 
0 | 
1 | 
| T64 | 
662948 | 
0 | 
0 | 
1 | 
| T65 | 
21172 | 
0 | 
0 | 
1 | 
| T66 | 
53725 | 
0 | 
0 | 
1 | 
| T67 | 
148136 | 
0 | 
0 | 
1 | 
| T68 | 
4348 | 
0 | 
0 | 
1 | 
| T69 | 
1230 | 
0 | 
0 | 
1 | 
| T70 | 
1382 | 
0 | 
0 | 
1 | 
| T71 | 
779 | 
0 | 
0 | 
1 | 
ValidKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
738209477 | 
585174229 | 
0 | 
0 | 
| T1 | 
1404 | 
1308 | 
0 | 
0 | 
| T2 | 
1589 | 
1496 | 
0 | 
0 | 
| T3 | 
3245 | 
3181 | 
0 | 
0 | 
| T4 | 
2960 | 
2742 | 
0 | 
0 | 
| T5 | 
88404 | 
66929 | 
0 | 
0 | 
| T6 | 
82263 | 
56658 | 
0 | 
0 | 
| T7 | 
539065 | 
476586 | 
0 | 
0 | 
| T8 | 
109326 | 
82614 | 
0 | 
0 | 
| T9 | 
17704 | 
15557 | 
0 | 
0 | 
| T10 | 
112948 | 
97722 | 
0 | 
0 | 
| T11 | 
427066 | 
206808 | 
0 | 
0 | 
| T12 | 
289232 | 
144500 | 
0 | 
0 | 
| T13 | 
16133 | 
16133 | 
0 | 
0 | 
| T14 | 
65873 | 
65873 | 
0 | 
0 | 
| T15 | 
0 | 
248469 | 
0 | 
0 | 
| T17 | 
0 | 
311549 | 
0 | 
0 | 
| T25 | 
0 | 
1008 | 
0 | 
0 | 
| T26 | 
0 | 
2520 | 
0 | 
0 | 
| T27 | 
0 | 
78744 | 
0 | 
0 | 
| T28 | 
0 | 
354616 | 
0 | 
0 | 
| T29 | 
0 | 
58480 | 
0 | 
0 | 
gen_data_port_assertion.DataFlow_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
738209477 | 
3713125 | 
0 | 
0 | 
| T4 | 
2960 | 
83 | 
0 | 
0 | 
| T5 | 
67012 | 
832 | 
0 | 
0 | 
| T6 | 
57211 | 
832 | 
0 | 
0 | 
| T7 | 
478717 | 
0 | 
0 | 
0 | 
| T8 | 
82759 | 
832 | 
0 | 
0 | 
| T9 | 
15624 | 
832 | 
0 | 
0 | 
| T10 | 
97822 | 
832 | 
0 | 
0 | 
| T11 | 
387905 | 
6053 | 
0 | 
0 | 
| T12 | 
184593 | 
832 | 
0 | 
0 | 
| T13 | 
132114 | 
832 | 
0 | 
0 | 
| T14 | 
0 | 
2368 | 
0 | 
0 | 
| T15 | 
249312 | 
2674 | 
0 | 
0 | 
| T17 | 
314116 | 
5613 | 
0 | 
0 | 
| T25 | 
1302 | 
0 | 
0 | 
0 | 
| T26 | 
2520 | 
202 | 
0 | 
0 | 
| T27 | 
82904 | 
0 | 
0 | 
0 | 
| T28 | 
0 | 
4746 | 
0 | 
0 | 
| T34 | 
15578 | 
0 | 
0 | 
0 | 
| T35 | 
8256 | 
0 | 
0 | 
0 | 
| T36 | 
22424 | 
0 | 
0 | 
0 | 
| T39 | 
0 | 
2652 | 
0 | 
0 | 
| T41 | 
0 | 
135 | 
0 | 
0 | 
| T42 | 
0 | 
5558 | 
0 | 
0 | 
| T43 | 
0 | 
3250 | 
0 | 
0 | 
| T44 | 
0 | 
3601 | 
0 | 
0 | 
| T46 | 
0 | 
8 | 
0 | 
0 | 
| T49 | 
17836 | 
0 | 
0 | 
0 | 
| T58 | 
31936 | 
0 | 
0 | 
0 | 
| T59 | 
0 | 
96 | 
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:       T3 T4 T7 
99                              // Latch only when requests accepted
100        1/1                  mask <= mask_next;
           Tests:       T4 T11 T17 
101        1/1                end else if (valid_o && !ready_i) begin
           Tests:       T3 T4 T7 
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:       T4 T11 T17 
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:       T4 T11 T17 
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 | T4,T11,T17 | 
| 1 | 0 | Covered | T4,T11,T17 | 
 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 | T3,T4,T7 | 
| 1 | 0 | Unreachable |  | 
| 1 | 1 | Covered | T4,T11,T17 | 
 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 | 
T4,T11,T17 | 
| 0 | 
0 | 
1 | 
Unreachable | 
 | 
| 0 | 
0 | 
0 | 
Covered | 
T3,T4,T7 | 
126                if (winner[i]) begin
                   -1-  
127                  idx_o = i[IdxW-1:0];
                     ==>
128                end
                   MISSING_ELSE
                   ==>
Branches:
| -1- | Status | Tests | 
| 1 | 
Covered | 
T4,T11,T17 | 
| 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 | 
T4,T11,T17 | 
| 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 | 
151598662 | 
29022453 | 
0 | 
0 | 
| T3 | 
864 | 
864 | 
0 | 
0 | 
| T4 | 
791 | 
648 | 
0 | 
0 | 
| T5 | 
21392 | 
0 | 
0 | 
0 | 
| T6 | 
25052 | 
0 | 
0 | 
0 | 
| T7 | 
60348 | 
58312 | 
0 | 
0 | 
| T8 | 
26567 | 
0 | 
0 | 
0 | 
| T9 | 
2080 | 
0 | 
0 | 
0 | 
| T10 | 
15126 | 
0 | 
0 | 
0 | 
| T11 | 
213533 | 
206808 | 
0 | 
0 | 
| T12 | 
144616 | 
0 | 
0 | 
0 | 
| T17 | 
0 | 
64352 | 
0 | 
0 | 
| T25 | 
0 | 
1008 | 
0 | 
0 | 
| T26 | 
0 | 
2520 | 
0 | 
0 | 
| T27 | 
0 | 
78744 | 
0 | 
0 | 
| T28 | 
0 | 
354616 | 
0 | 
0 | 
| T29 | 
0 | 
58480 | 
0 | 
0 | 
CheckNGreaterZero_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
955 | 
955 | 
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 | 
151598662 | 
610642 | 
0 | 
0 | 
| T4 | 
791 | 
66 | 
0 | 
0 | 
| T5 | 
21392 | 
0 | 
0 | 
0 | 
| T6 | 
25052 | 
0 | 
0 | 
0 | 
| T7 | 
60348 | 
0 | 
0 | 
0 | 
| T8 | 
26567 | 
0 | 
0 | 
0 | 
| T9 | 
2080 | 
0 | 
0 | 
0 | 
| T10 | 
15126 | 
0 | 
0 | 
0 | 
| T11 | 
213533 | 
4066 | 
0 | 
0 | 
| T12 | 
144616 | 
0 | 
0 | 
0 | 
| T13 | 
16133 | 
0 | 
0 | 
0 | 
| T17 | 
0 | 
1981 | 
0 | 
0 | 
| T26 | 
0 | 
202 | 
0 | 
0 | 
| T28 | 
0 | 
4746 | 
0 | 
0 | 
| T41 | 
0 | 
135 | 
0 | 
0 | 
| T42 | 
0 | 
5558 | 
0 | 
0 | 
| T43 | 
0 | 
2848 | 
0 | 
0 | 
| T44 | 
0 | 
3601 | 
0 | 
0 | 
| T59 | 
0 | 
96 | 
0 | 
0 | 
GntImpliesValid_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
151598662 | 
610642 | 
0 | 
0 | 
| T4 | 
791 | 
66 | 
0 | 
0 | 
| T5 | 
21392 | 
0 | 
0 | 
0 | 
| T6 | 
25052 | 
0 | 
0 | 
0 | 
| T7 | 
60348 | 
0 | 
0 | 
0 | 
| T8 | 
26567 | 
0 | 
0 | 
0 | 
| T9 | 
2080 | 
0 | 
0 | 
0 | 
| T10 | 
15126 | 
0 | 
0 | 
0 | 
| T11 | 
213533 | 
4066 | 
0 | 
0 | 
| T12 | 
144616 | 
0 | 
0 | 
0 | 
| T13 | 
16133 | 
0 | 
0 | 
0 | 
| T17 | 
0 | 
1981 | 
0 | 
0 | 
| T26 | 
0 | 
202 | 
0 | 
0 | 
| T28 | 
0 | 
4746 | 
0 | 
0 | 
| T41 | 
0 | 
135 | 
0 | 
0 | 
| T42 | 
0 | 
5558 | 
0 | 
0 | 
| T43 | 
0 | 
2848 | 
0 | 
0 | 
| T44 | 
0 | 
3601 | 
0 | 
0 | 
| T59 | 
0 | 
96 | 
0 | 
0 | 
GrantKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
151598662 | 
29022453 | 
0 | 
0 | 
| T3 | 
864 | 
864 | 
0 | 
0 | 
| T4 | 
791 | 
648 | 
0 | 
0 | 
| T5 | 
21392 | 
0 | 
0 | 
0 | 
| T6 | 
25052 | 
0 | 
0 | 
0 | 
| T7 | 
60348 | 
58312 | 
0 | 
0 | 
| T8 | 
26567 | 
0 | 
0 | 
0 | 
| T9 | 
2080 | 
0 | 
0 | 
0 | 
| T10 | 
15126 | 
0 | 
0 | 
0 | 
| T11 | 
213533 | 
206808 | 
0 | 
0 | 
| T12 | 
144616 | 
0 | 
0 | 
0 | 
| T17 | 
0 | 
64352 | 
0 | 
0 | 
| T25 | 
0 | 
1008 | 
0 | 
0 | 
| T26 | 
0 | 
2520 | 
0 | 
0 | 
| T27 | 
0 | 
78744 | 
0 | 
0 | 
| T28 | 
0 | 
354616 | 
0 | 
0 | 
| T29 | 
0 | 
58480 | 
0 | 
0 | 
IdxKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
151598662 | 
29022453 | 
0 | 
0 | 
| T3 | 
864 | 
864 | 
0 | 
0 | 
| T4 | 
791 | 
648 | 
0 | 
0 | 
| T5 | 
21392 | 
0 | 
0 | 
0 | 
| T6 | 
25052 | 
0 | 
0 | 
0 | 
| T7 | 
60348 | 
58312 | 
0 | 
0 | 
| T8 | 
26567 | 
0 | 
0 | 
0 | 
| T9 | 
2080 | 
0 | 
0 | 
0 | 
| T10 | 
15126 | 
0 | 
0 | 
0 | 
| T11 | 
213533 | 
206808 | 
0 | 
0 | 
| T12 | 
144616 | 
0 | 
0 | 
0 | 
| T17 | 
0 | 
64352 | 
0 | 
0 | 
| T25 | 
0 | 
1008 | 
0 | 
0 | 
| T26 | 
0 | 
2520 | 
0 | 
0 | 
| T27 | 
0 | 
78744 | 
0 | 
0 | 
| T28 | 
0 | 
354616 | 
0 | 
0 | 
| T29 | 
0 | 
58480 | 
0 | 
0 | 
IndexIsCorrect_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
151598662 | 
610642 | 
0 | 
0 | 
| T4 | 
791 | 
66 | 
0 | 
0 | 
| T5 | 
21392 | 
0 | 
0 | 
0 | 
| T6 | 
25052 | 
0 | 
0 | 
0 | 
| T7 | 
60348 | 
0 | 
0 | 
0 | 
| T8 | 
26567 | 
0 | 
0 | 
0 | 
| T9 | 
2080 | 
0 | 
0 | 
0 | 
| T10 | 
15126 | 
0 | 
0 | 
0 | 
| T11 | 
213533 | 
4066 | 
0 | 
0 | 
| T12 | 
144616 | 
0 | 
0 | 
0 | 
| T13 | 
16133 | 
0 | 
0 | 
0 | 
| T17 | 
0 | 
1981 | 
0 | 
0 | 
| T26 | 
0 | 
202 | 
0 | 
0 | 
| T28 | 
0 | 
4746 | 
0 | 
0 | 
| T41 | 
0 | 
135 | 
0 | 
0 | 
| T42 | 
0 | 
5558 | 
0 | 
0 | 
| T43 | 
0 | 
2848 | 
0 | 
0 | 
| T44 | 
0 | 
3601 | 
0 | 
0 | 
| T59 | 
0 | 
96 | 
0 | 
0 | 
LockArbDecision_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
151598662 | 
0 | 
0 | 
0 | 
NoReadyValidNoGrant_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
151598662 | 
0 | 
0 | 
0 | 
ReadyAndValidImplyGrant_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
151598662 | 
610642 | 
0 | 
0 | 
| T4 | 
791 | 
66 | 
0 | 
0 | 
| T5 | 
21392 | 
0 | 
0 | 
0 | 
| T6 | 
25052 | 
0 | 
0 | 
0 | 
| T7 | 
60348 | 
0 | 
0 | 
0 | 
| T8 | 
26567 | 
0 | 
0 | 
0 | 
| T9 | 
2080 | 
0 | 
0 | 
0 | 
| T10 | 
15126 | 
0 | 
0 | 
0 | 
| T11 | 
213533 | 
4066 | 
0 | 
0 | 
| T12 | 
144616 | 
0 | 
0 | 
0 | 
| T13 | 
16133 | 
0 | 
0 | 
0 | 
| T17 | 
0 | 
1981 | 
0 | 
0 | 
| T26 | 
0 | 
202 | 
0 | 
0 | 
| T28 | 
0 | 
4746 | 
0 | 
0 | 
| T41 | 
0 | 
135 | 
0 | 
0 | 
| T42 | 
0 | 
5558 | 
0 | 
0 | 
| T43 | 
0 | 
2848 | 
0 | 
0 | 
| T44 | 
0 | 
3601 | 
0 | 
0 | 
| T59 | 
0 | 
96 | 
0 | 
0 | 
ReqAndReadyImplyGrant_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
151598662 | 
610642 | 
0 | 
0 | 
| T4 | 
791 | 
66 | 
0 | 
0 | 
| T5 | 
21392 | 
0 | 
0 | 
0 | 
| T6 | 
25052 | 
0 | 
0 | 
0 | 
| T7 | 
60348 | 
0 | 
0 | 
0 | 
| T8 | 
26567 | 
0 | 
0 | 
0 | 
| T9 | 
2080 | 
0 | 
0 | 
0 | 
| T10 | 
15126 | 
0 | 
0 | 
0 | 
| T11 | 
213533 | 
4066 | 
0 | 
0 | 
| T12 | 
144616 | 
0 | 
0 | 
0 | 
| T13 | 
16133 | 
0 | 
0 | 
0 | 
| T17 | 
0 | 
1981 | 
0 | 
0 | 
| T26 | 
0 | 
202 | 
0 | 
0 | 
| T28 | 
0 | 
4746 | 
0 | 
0 | 
| T41 | 
0 | 
135 | 
0 | 
0 | 
| T42 | 
0 | 
5558 | 
0 | 
0 | 
| T43 | 
0 | 
2848 | 
0 | 
0 | 
| T44 | 
0 | 
3601 | 
0 | 
0 | 
| T59 | 
0 | 
96 | 
0 | 
0 | 
ReqImpliesValid_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
151598662 | 
610642 | 
0 | 
0 | 
| T4 | 
791 | 
66 | 
0 | 
0 | 
| T5 | 
21392 | 
0 | 
0 | 
0 | 
| T6 | 
25052 | 
0 | 
0 | 
0 | 
| T7 | 
60348 | 
0 | 
0 | 
0 | 
| T8 | 
26567 | 
0 | 
0 | 
0 | 
| T9 | 
2080 | 
0 | 
0 | 
0 | 
| T10 | 
15126 | 
0 | 
0 | 
0 | 
| T11 | 
213533 | 
4066 | 
0 | 
0 | 
| T12 | 
144616 | 
0 | 
0 | 
0 | 
| T13 | 
16133 | 
0 | 
0 | 
0 | 
| T17 | 
0 | 
1981 | 
0 | 
0 | 
| T26 | 
0 | 
202 | 
0 | 
0 | 
| T28 | 
0 | 
4746 | 
0 | 
0 | 
| T41 | 
0 | 
135 | 
0 | 
0 | 
| T42 | 
0 | 
5558 | 
0 | 
0 | 
| T43 | 
0 | 
2848 | 
0 | 
0 | 
| T44 | 
0 | 
3601 | 
0 | 
0 | 
| T59 | 
0 | 
96 | 
0 | 
0 | 
ReqStaysHighUntilGranted0_M
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
151598662 | 
0 | 
0 | 
0 | 
RoundRobin_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
151598662 | 
0 | 
0 | 
0 | 
ValidKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
151598662 | 
29022453 | 
0 | 
0 | 
| T3 | 
864 | 
864 | 
0 | 
0 | 
| T4 | 
791 | 
648 | 
0 | 
0 | 
| T5 | 
21392 | 
0 | 
0 | 
0 | 
| T6 | 
25052 | 
0 | 
0 | 
0 | 
| T7 | 
60348 | 
58312 | 
0 | 
0 | 
| T8 | 
26567 | 
0 | 
0 | 
0 | 
| T9 | 
2080 | 
0 | 
0 | 
0 | 
| T10 | 
15126 | 
0 | 
0 | 
0 | 
| T11 | 
213533 | 
206808 | 
0 | 
0 | 
| T12 | 
144616 | 
0 | 
0 | 
0 | 
| T17 | 
0 | 
64352 | 
0 | 
0 | 
| T25 | 
0 | 
1008 | 
0 | 
0 | 
| T26 | 
0 | 
2520 | 
0 | 
0 | 
| T27 | 
0 | 
78744 | 
0 | 
0 | 
| T28 | 
0 | 
354616 | 
0 | 
0 | 
| T29 | 
0 | 
58480 | 
0 | 
0 | 
gen_data_port_assertion.DataFlow_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
151598662 | 
610642 | 
0 | 
0 | 
| T4 | 
791 | 
66 | 
0 | 
0 | 
| T5 | 
21392 | 
0 | 
0 | 
0 | 
| T6 | 
25052 | 
0 | 
0 | 
0 | 
| T7 | 
60348 | 
0 | 
0 | 
0 | 
| T8 | 
26567 | 
0 | 
0 | 
0 | 
| T9 | 
2080 | 
0 | 
0 | 
0 | 
| T10 | 
15126 | 
0 | 
0 | 
0 | 
| T11 | 
213533 | 
4066 | 
0 | 
0 | 
| T12 | 
144616 | 
0 | 
0 | 
0 | 
| T13 | 
16133 | 
0 | 
0 | 
0 | 
| T17 | 
0 | 
1981 | 
0 | 
0 | 
| T26 | 
0 | 
202 | 
0 | 
0 | 
| T28 | 
0 | 
4746 | 
0 | 
0 | 
| T41 | 
0 | 
135 | 
0 | 
0 | 
| T42 | 
0 | 
5558 | 
0 | 
0 | 
| T43 | 
0 | 
2848 | 
0 | 
0 | 
| T44 | 
0 | 
3601 | 
0 | 
0 | 
| T59 | 
0 | 
96 | 
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:       T5 T6 T8 
99                              // Latch only when requests accepted
100        1/1                  mask <= mask_next;
           Tests:       T15 T17 T46 
101        1/1                end else if (valid_o && !ready_i) begin
           Tests:       T5 T6 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:       T15 T17 T46 
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:       T15 T17 T46 
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 | T15,T17,T46 | 
 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 | T15,T17,T46 | 
| 1 | 0 | Covered | T15,T17,T46 | 
 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 | T5,T6,T8 | 
| 1 | 0 | Unreachable |  | 
| 1 | 1 | Covered | T15,T17,T46 | 
 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 | 
T15,T17,T46 | 
| 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 | 
T15,T17,T46 | 
| 0 | 
0 | 
1 | 
Unreachable | 
 | 
| 0 | 
0 | 
0 | 
Covered | 
T5,T6,T8 | 
126                if (winner[i]) begin
                   -1-  
127                  idx_o = i[IdxW-1:0];
                     ==>
128                end
                   MISSING_ELSE
                   ==>
Branches:
| -1- | Status | Tests | 
| 1 | 
Covered | 
T15,T17,T46 | 
| 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 | 
T15,T17,T46 | 
| 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 | 
151598662 | 
121225703 | 
0 | 
0 | 
| T5 | 
21392 | 
21392 | 
0 | 
0 | 
| T6 | 
25052 | 
24592 | 
0 | 
0 | 
| T7 | 
60348 | 
0 | 
0 | 
0 | 
| T8 | 
26567 | 
26490 | 
0 | 
0 | 
| T9 | 
2080 | 
2080 | 
0 | 
0 | 
| T10 | 
15126 | 
15126 | 
0 | 
0 | 
| T11 | 
213533 | 
0 | 
0 | 
0 | 
| T12 | 
144616 | 
144500 | 
0 | 
0 | 
| T13 | 
16133 | 
16133 | 
0 | 
0 | 
| T14 | 
65873 | 
65873 | 
0 | 
0 | 
| T15 | 
0 | 
248469 | 
0 | 
0 | 
| T17 | 
0 | 
247197 | 
0 | 
0 | 
CheckNGreaterZero_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
955 | 
955 | 
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 | 
151598662 | 
818064 | 
0 | 
0 | 
| T15 | 
249312 | 
2674 | 
0 | 
0 | 
| T17 | 
314116 | 
3632 | 
0 | 
0 | 
| T25 | 
1302 | 
0 | 
0 | 
0 | 
| T26 | 
2520 | 
0 | 
0 | 
0 | 
| T27 | 
82904 | 
0 | 
0 | 
0 | 
| T34 | 
15578 | 
0 | 
0 | 
0 | 
| T35 | 
8256 | 
0 | 
0 | 
0 | 
| T36 | 
22424 | 
0 | 
0 | 
0 | 
| T39 | 
0 | 
2652 | 
0 | 
0 | 
| T40 | 
0 | 
3165 | 
0 | 
0 | 
| T43 | 
0 | 
402 | 
0 | 
0 | 
| T46 | 
0 | 
8 | 
0 | 
0 | 
| T49 | 
17836 | 
0 | 
0 | 
0 | 
| T58 | 
31936 | 
0 | 
0 | 
0 | 
| T72 | 
0 | 
276 | 
0 | 
0 | 
| T73 | 
0 | 
980 | 
0 | 
0 | 
| T74 | 
0 | 
1041 | 
0 | 
0 | 
| T75 | 
0 | 
260 | 
0 | 
0 | 
GntImpliesValid_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
151598662 | 
818064 | 
0 | 
0 | 
| T15 | 
249312 | 
2674 | 
0 | 
0 | 
| T17 | 
314116 | 
3632 | 
0 | 
0 | 
| T25 | 
1302 | 
0 | 
0 | 
0 | 
| T26 | 
2520 | 
0 | 
0 | 
0 | 
| T27 | 
82904 | 
0 | 
0 | 
0 | 
| T34 | 
15578 | 
0 | 
0 | 
0 | 
| T35 | 
8256 | 
0 | 
0 | 
0 | 
| T36 | 
22424 | 
0 | 
0 | 
0 | 
| T39 | 
0 | 
2652 | 
0 | 
0 | 
| T40 | 
0 | 
3165 | 
0 | 
0 | 
| T43 | 
0 | 
402 | 
0 | 
0 | 
| T46 | 
0 | 
8 | 
0 | 
0 | 
| T49 | 
17836 | 
0 | 
0 | 
0 | 
| T58 | 
31936 | 
0 | 
0 | 
0 | 
| T72 | 
0 | 
276 | 
0 | 
0 | 
| T73 | 
0 | 
980 | 
0 | 
0 | 
| T74 | 
0 | 
1041 | 
0 | 
0 | 
| T75 | 
0 | 
260 | 
0 | 
0 | 
GrantKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
151598662 | 
121225703 | 
0 | 
0 | 
| T5 | 
21392 | 
21392 | 
0 | 
0 | 
| T6 | 
25052 | 
24592 | 
0 | 
0 | 
| T7 | 
60348 | 
0 | 
0 | 
0 | 
| T8 | 
26567 | 
26490 | 
0 | 
0 | 
| T9 | 
2080 | 
2080 | 
0 | 
0 | 
| T10 | 
15126 | 
15126 | 
0 | 
0 | 
| T11 | 
213533 | 
0 | 
0 | 
0 | 
| T12 | 
144616 | 
144500 | 
0 | 
0 | 
| T13 | 
16133 | 
16133 | 
0 | 
0 | 
| T14 | 
65873 | 
65873 | 
0 | 
0 | 
| T15 | 
0 | 
248469 | 
0 | 
0 | 
| T17 | 
0 | 
247197 | 
0 | 
0 | 
IdxKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
151598662 | 
121225703 | 
0 | 
0 | 
| T5 | 
21392 | 
21392 | 
0 | 
0 | 
| T6 | 
25052 | 
24592 | 
0 | 
0 | 
| T7 | 
60348 | 
0 | 
0 | 
0 | 
| T8 | 
26567 | 
26490 | 
0 | 
0 | 
| T9 | 
2080 | 
2080 | 
0 | 
0 | 
| T10 | 
15126 | 
15126 | 
0 | 
0 | 
| T11 | 
213533 | 
0 | 
0 | 
0 | 
| T12 | 
144616 | 
144500 | 
0 | 
0 | 
| T13 | 
16133 | 
16133 | 
0 | 
0 | 
| T14 | 
65873 | 
65873 | 
0 | 
0 | 
| T15 | 
0 | 
248469 | 
0 | 
0 | 
| T17 | 
0 | 
247197 | 
0 | 
0 | 
IndexIsCorrect_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
151598662 | 
818064 | 
0 | 
0 | 
| T15 | 
249312 | 
2674 | 
0 | 
0 | 
| T17 | 
314116 | 
3632 | 
0 | 
0 | 
| T25 | 
1302 | 
0 | 
0 | 
0 | 
| T26 | 
2520 | 
0 | 
0 | 
0 | 
| T27 | 
82904 | 
0 | 
0 | 
0 | 
| T34 | 
15578 | 
0 | 
0 | 
0 | 
| T35 | 
8256 | 
0 | 
0 | 
0 | 
| T36 | 
22424 | 
0 | 
0 | 
0 | 
| T39 | 
0 | 
2652 | 
0 | 
0 | 
| T40 | 
0 | 
3165 | 
0 | 
0 | 
| T43 | 
0 | 
402 | 
0 | 
0 | 
| T46 | 
0 | 
8 | 
0 | 
0 | 
| T49 | 
17836 | 
0 | 
0 | 
0 | 
| T58 | 
31936 | 
0 | 
0 | 
0 | 
| T72 | 
0 | 
276 | 
0 | 
0 | 
| T73 | 
0 | 
980 | 
0 | 
0 | 
| T74 | 
0 | 
1041 | 
0 | 
0 | 
| T75 | 
0 | 
260 | 
0 | 
0 | 
LockArbDecision_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
151598662 | 
0 | 
0 | 
0 | 
NoReadyValidNoGrant_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
151598662 | 
0 | 
0 | 
0 | 
ReadyAndValidImplyGrant_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
151598662 | 
818064 | 
0 | 
0 | 
| T15 | 
249312 | 
2674 | 
0 | 
0 | 
| T17 | 
314116 | 
3632 | 
0 | 
0 | 
| T25 | 
1302 | 
0 | 
0 | 
0 | 
| T26 | 
2520 | 
0 | 
0 | 
0 | 
| T27 | 
82904 | 
0 | 
0 | 
0 | 
| T34 | 
15578 | 
0 | 
0 | 
0 | 
| T35 | 
8256 | 
0 | 
0 | 
0 | 
| T36 | 
22424 | 
0 | 
0 | 
0 | 
| T39 | 
0 | 
2652 | 
0 | 
0 | 
| T40 | 
0 | 
3165 | 
0 | 
0 | 
| T43 | 
0 | 
402 | 
0 | 
0 | 
| T46 | 
0 | 
8 | 
0 | 
0 | 
| T49 | 
17836 | 
0 | 
0 | 
0 | 
| T58 | 
31936 | 
0 | 
0 | 
0 | 
| T72 | 
0 | 
276 | 
0 | 
0 | 
| T73 | 
0 | 
980 | 
0 | 
0 | 
| T74 | 
0 | 
1041 | 
0 | 
0 | 
| T75 | 
0 | 
260 | 
0 | 
0 | 
ReqAndReadyImplyGrant_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
151598662 | 
818064 | 
0 | 
0 | 
| T15 | 
249312 | 
2674 | 
0 | 
0 | 
| T17 | 
314116 | 
3632 | 
0 | 
0 | 
| T25 | 
1302 | 
0 | 
0 | 
0 | 
| T26 | 
2520 | 
0 | 
0 | 
0 | 
| T27 | 
82904 | 
0 | 
0 | 
0 | 
| T34 | 
15578 | 
0 | 
0 | 
0 | 
| T35 | 
8256 | 
0 | 
0 | 
0 | 
| T36 | 
22424 | 
0 | 
0 | 
0 | 
| T39 | 
0 | 
2652 | 
0 | 
0 | 
| T40 | 
0 | 
3165 | 
0 | 
0 | 
| T43 | 
0 | 
402 | 
0 | 
0 | 
| T46 | 
0 | 
8 | 
0 | 
0 | 
| T49 | 
17836 | 
0 | 
0 | 
0 | 
| T58 | 
31936 | 
0 | 
0 | 
0 | 
| T72 | 
0 | 
276 | 
0 | 
0 | 
| T73 | 
0 | 
980 | 
0 | 
0 | 
| T74 | 
0 | 
1041 | 
0 | 
0 | 
| T75 | 
0 | 
260 | 
0 | 
0 | 
ReqImpliesValid_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
151598662 | 
818064 | 
0 | 
0 | 
| T15 | 
249312 | 
2674 | 
0 | 
0 | 
| T17 | 
314116 | 
3632 | 
0 | 
0 | 
| T25 | 
1302 | 
0 | 
0 | 
0 | 
| T26 | 
2520 | 
0 | 
0 | 
0 | 
| T27 | 
82904 | 
0 | 
0 | 
0 | 
| T34 | 
15578 | 
0 | 
0 | 
0 | 
| T35 | 
8256 | 
0 | 
0 | 
0 | 
| T36 | 
22424 | 
0 | 
0 | 
0 | 
| T39 | 
0 | 
2652 | 
0 | 
0 | 
| T40 | 
0 | 
3165 | 
0 | 
0 | 
| T43 | 
0 | 
402 | 
0 | 
0 | 
| T46 | 
0 | 
8 | 
0 | 
0 | 
| T49 | 
17836 | 
0 | 
0 | 
0 | 
| T58 | 
31936 | 
0 | 
0 | 
0 | 
| T72 | 
0 | 
276 | 
0 | 
0 | 
| T73 | 
0 | 
980 | 
0 | 
0 | 
| T74 | 
0 | 
1041 | 
0 | 
0 | 
| T75 | 
0 | 
260 | 
0 | 
0 | 
ReqStaysHighUntilGranted0_M
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
151598662 | 
0 | 
0 | 
0 | 
RoundRobin_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
151598662 | 
0 | 
0 | 
0 | 
ValidKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
151598662 | 
121225703 | 
0 | 
0 | 
| T5 | 
21392 | 
21392 | 
0 | 
0 | 
| T6 | 
25052 | 
24592 | 
0 | 
0 | 
| T7 | 
60348 | 
0 | 
0 | 
0 | 
| T8 | 
26567 | 
26490 | 
0 | 
0 | 
| T9 | 
2080 | 
2080 | 
0 | 
0 | 
| T10 | 
15126 | 
15126 | 
0 | 
0 | 
| T11 | 
213533 | 
0 | 
0 | 
0 | 
| T12 | 
144616 | 
144500 | 
0 | 
0 | 
| T13 | 
16133 | 
16133 | 
0 | 
0 | 
| T14 | 
65873 | 
65873 | 
0 | 
0 | 
| T15 | 
0 | 
248469 | 
0 | 
0 | 
| T17 | 
0 | 
247197 | 
0 | 
0 | 
gen_data_port_assertion.DataFlow_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
151598662 | 
818064 | 
0 | 
0 | 
| T15 | 
249312 | 
2674 | 
0 | 
0 | 
| T17 | 
314116 | 
3632 | 
0 | 
0 | 
| T25 | 
1302 | 
0 | 
0 | 
0 | 
| T26 | 
2520 | 
0 | 
0 | 
0 | 
| T27 | 
82904 | 
0 | 
0 | 
0 | 
| T34 | 
15578 | 
0 | 
0 | 
0 | 
| T35 | 
8256 | 
0 | 
0 | 
0 | 
| T36 | 
22424 | 
0 | 
0 | 
0 | 
| T39 | 
0 | 
2652 | 
0 | 
0 | 
| T40 | 
0 | 
3165 | 
0 | 
0 | 
| T43 | 
0 | 
402 | 
0 | 
0 | 
| T46 | 
0 | 
8 | 
0 | 
0 | 
| T49 | 
17836 | 
0 | 
0 | 
0 | 
| T58 | 
31936 | 
0 | 
0 | 
0 | 
| T72 | 
0 | 
276 | 
0 | 
0 | 
| T73 | 
0 | 
980 | 
0 | 
0 | 
| T74 | 
0 | 
1041 | 
0 | 
0 | 
| T75 | 
0 | 
260 | 
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:       T4 T5 T6 
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:       T4 T5 T6 
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:       T4 T5 T6 
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 | T11,T15,T17 | 
 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 | T4,T11,T15 | 
| 1 | 0 | Covered | T4,T5,T6 | 
 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 | T4,T5,T6 | 
 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 | 
T11,T15,T17 | 
| 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 | 
T4,T5,T6 | 
| 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 | 
T4,T5,T6 | 
| 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 | 
T4,T5,T6 | 
| 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 | 
435012153 | 
434926073 | 
0 | 
0 | 
| T1 | 
1404 | 
1308 | 
0 | 
0 | 
| T2 | 
1589 | 
1496 | 
0 | 
0 | 
| T3 | 
2381 | 
2317 | 
0 | 
0 | 
| T4 | 
2169 | 
2094 | 
0 | 
0 | 
| T5 | 
45620 | 
45537 | 
0 | 
0 | 
| T6 | 
32159 | 
32066 | 
0 | 
0 | 
| T7 | 
418369 | 
418274 | 
0 | 
0 | 
| T8 | 
56192 | 
56124 | 
0 | 
0 | 
| T9 | 
13544 | 
13477 | 
0 | 
0 | 
| T10 | 
82696 | 
82596 | 
0 | 
0 | 
CheckNGreaterZero_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
955 | 
955 | 
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 | 
435012153 | 
2284419 | 
0 | 
0 | 
| T4 | 
2169 | 
17 | 
0 | 
0 | 
| T5 | 
45620 | 
832 | 
0 | 
0 | 
| T6 | 
32159 | 
832 | 
0 | 
0 | 
| T7 | 
418369 | 
0 | 
0 | 
0 | 
| T8 | 
56192 | 
832 | 
0 | 
0 | 
| T9 | 
13544 | 
832 | 
0 | 
0 | 
| T10 | 
82696 | 
832 | 
0 | 
0 | 
| T11 | 
174372 | 
1987 | 
0 | 
0 | 
| T12 | 
39977 | 
832 | 
0 | 
0 | 
| T13 | 
115981 | 
832 | 
0 | 
0 | 
| T14 | 
0 | 
2368 | 
0 | 
0 | 
GntImpliesValid_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
435012153 | 
2284419 | 
0 | 
0 | 
| T4 | 
2169 | 
17 | 
0 | 
0 | 
| T5 | 
45620 | 
832 | 
0 | 
0 | 
| T6 | 
32159 | 
832 | 
0 | 
0 | 
| T7 | 
418369 | 
0 | 
0 | 
0 | 
| T8 | 
56192 | 
832 | 
0 | 
0 | 
| T9 | 
13544 | 
832 | 
0 | 
0 | 
| T10 | 
82696 | 
832 | 
0 | 
0 | 
| T11 | 
174372 | 
1987 | 
0 | 
0 | 
| T12 | 
39977 | 
832 | 
0 | 
0 | 
| T13 | 
115981 | 
832 | 
0 | 
0 | 
| T14 | 
0 | 
2368 | 
0 | 
0 | 
GrantKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
435012153 | 
434926073 | 
0 | 
0 | 
| T1 | 
1404 | 
1308 | 
0 | 
0 | 
| T2 | 
1589 | 
1496 | 
0 | 
0 | 
| T3 | 
2381 | 
2317 | 
0 | 
0 | 
| T4 | 
2169 | 
2094 | 
0 | 
0 | 
| T5 | 
45620 | 
45537 | 
0 | 
0 | 
| T6 | 
32159 | 
32066 | 
0 | 
0 | 
| T7 | 
418369 | 
418274 | 
0 | 
0 | 
| T8 | 
56192 | 
56124 | 
0 | 
0 | 
| T9 | 
13544 | 
13477 | 
0 | 
0 | 
| T10 | 
82696 | 
82596 | 
0 | 
0 | 
IdxKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
435012153 | 
434926073 | 
0 | 
0 | 
| T1 | 
1404 | 
1308 | 
0 | 
0 | 
| T2 | 
1589 | 
1496 | 
0 | 
0 | 
| T3 | 
2381 | 
2317 | 
0 | 
0 | 
| T4 | 
2169 | 
2094 | 
0 | 
0 | 
| T5 | 
45620 | 
45537 | 
0 | 
0 | 
| T6 | 
32159 | 
32066 | 
0 | 
0 | 
| T7 | 
418369 | 
418274 | 
0 | 
0 | 
| T8 | 
56192 | 
56124 | 
0 | 
0 | 
| T9 | 
13544 | 
13477 | 
0 | 
0 | 
| T10 | 
82696 | 
82596 | 
0 | 
0 | 
IndexIsCorrect_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
435012153 | 
2284419 | 
0 | 
0 | 
| T4 | 
2169 | 
17 | 
0 | 
0 | 
| T5 | 
45620 | 
832 | 
0 | 
0 | 
| T6 | 
32159 | 
832 | 
0 | 
0 | 
| T7 | 
418369 | 
0 | 
0 | 
0 | 
| T8 | 
56192 | 
832 | 
0 | 
0 | 
| T9 | 
13544 | 
832 | 
0 | 
0 | 
| T10 | 
82696 | 
832 | 
0 | 
0 | 
| T11 | 
174372 | 
1987 | 
0 | 
0 | 
| T12 | 
39977 | 
832 | 
0 | 
0 | 
| T13 | 
115981 | 
832 | 
0 | 
0 | 
| T14 | 
0 | 
2368 | 
0 | 
0 | 
LockArbDecision_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
435012153 | 
0 | 
0 | 
0 | 
NoReadyValidNoGrant_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
435012153 | 
0 | 
0 | 
0 | 
ReadyAndValidImplyGrant_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
435012153 | 
2284419 | 
0 | 
0 | 
| T4 | 
2169 | 
17 | 
0 | 
0 | 
| T5 | 
45620 | 
832 | 
0 | 
0 | 
| T6 | 
32159 | 
832 | 
0 | 
0 | 
| T7 | 
418369 | 
0 | 
0 | 
0 | 
| T8 | 
56192 | 
832 | 
0 | 
0 | 
| T9 | 
13544 | 
832 | 
0 | 
0 | 
| T10 | 
82696 | 
832 | 
0 | 
0 | 
| T11 | 
174372 | 
1987 | 
0 | 
0 | 
| T12 | 
39977 | 
832 | 
0 | 
0 | 
| T13 | 
115981 | 
832 | 
0 | 
0 | 
| T14 | 
0 | 
2368 | 
0 | 
0 | 
ReqAndReadyImplyGrant_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
435012153 | 
2284419 | 
0 | 
0 | 
| T4 | 
2169 | 
17 | 
0 | 
0 | 
| T5 | 
45620 | 
832 | 
0 | 
0 | 
| T6 | 
32159 | 
832 | 
0 | 
0 | 
| T7 | 
418369 | 
0 | 
0 | 
0 | 
| T8 | 
56192 | 
832 | 
0 | 
0 | 
| T9 | 
13544 | 
832 | 
0 | 
0 | 
| T10 | 
82696 | 
832 | 
0 | 
0 | 
| T11 | 
174372 | 
1987 | 
0 | 
0 | 
| T12 | 
39977 | 
832 | 
0 | 
0 | 
| T13 | 
115981 | 
832 | 
0 | 
0 | 
| T14 | 
0 | 
2368 | 
0 | 
0 | 
ReqImpliesValid_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
435012153 | 
2284419 | 
0 | 
0 | 
| T4 | 
2169 | 
17 | 
0 | 
0 | 
| T5 | 
45620 | 
832 | 
0 | 
0 | 
| T6 | 
32159 | 
832 | 
0 | 
0 | 
| T7 | 
418369 | 
0 | 
0 | 
0 | 
| T8 | 
56192 | 
832 | 
0 | 
0 | 
| T9 | 
13544 | 
832 | 
0 | 
0 | 
| T10 | 
82696 | 
832 | 
0 | 
0 | 
| T11 | 
174372 | 
1987 | 
0 | 
0 | 
| T12 | 
39977 | 
832 | 
0 | 
0 | 
| T13 | 
115981 | 
832 | 
0 | 
0 | 
| T14 | 
0 | 
2368 | 
0 | 
0 | 
ReqStaysHighUntilGranted0_M
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
435012153 | 
0 | 
0 | 
0 | 
RoundRobin_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
435012153 | 
3 | 
0 | 
955 | 
| T60 | 
554560 | 
1 | 
0 | 
1 | 
| T61 | 
0 | 
1 | 
0 | 
0 | 
| T62 | 
0 | 
1 | 
0 | 
0 | 
| T63 | 
32716 | 
0 | 
0 | 
1 | 
| T64 | 
662948 | 
0 | 
0 | 
1 | 
| T65 | 
21172 | 
0 | 
0 | 
1 | 
| T66 | 
53725 | 
0 | 
0 | 
1 | 
| T67 | 
148136 | 
0 | 
0 | 
1 | 
| T68 | 
4348 | 
0 | 
0 | 
1 | 
| T69 | 
1230 | 
0 | 
0 | 
1 | 
| T70 | 
1382 | 
0 | 
0 | 
1 | 
| T71 | 
779 | 
0 | 
0 | 
1 | 
ValidKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
435012153 | 
434926073 | 
0 | 
0 | 
| T1 | 
1404 | 
1308 | 
0 | 
0 | 
| T2 | 
1589 | 
1496 | 
0 | 
0 | 
| T3 | 
2381 | 
2317 | 
0 | 
0 | 
| T4 | 
2169 | 
2094 | 
0 | 
0 | 
| T5 | 
45620 | 
45537 | 
0 | 
0 | 
| T6 | 
32159 | 
32066 | 
0 | 
0 | 
| T7 | 
418369 | 
418274 | 
0 | 
0 | 
| T8 | 
56192 | 
56124 | 
0 | 
0 | 
| T9 | 
13544 | 
13477 | 
0 | 
0 | 
| T10 | 
82696 | 
82596 | 
0 | 
0 | 
gen_data_port_assertion.DataFlow_A
| Name | Attempts | Real Successes | Failures | Incomplete | 
| Total | 
435012153 | 
2284419 | 
0 | 
0 | 
| T4 | 
2169 | 
17 | 
0 | 
0 | 
| T5 | 
45620 | 
832 | 
0 | 
0 | 
| T6 | 
32159 | 
832 | 
0 | 
0 | 
| T7 | 
418369 | 
0 | 
0 | 
0 | 
| T8 | 
56192 | 
832 | 
0 | 
0 | 
| T9 | 
13544 | 
832 | 
0 | 
0 | 
| T10 | 
82696 | 
832 | 
0 | 
0 | 
| T11 | 
174372 | 
1987 | 
0 | 
0 | 
| T12 | 
39977 | 
832 | 
0 | 
0 | 
| T13 | 
115981 | 
832 | 
0 | 
0 | 
| T14 | 
0 | 
2368 | 
0 | 
0 |