Line Coverage for Module :
edn_ack_sm
| Line No. | Total | Covered | Percent |
TOTAL | | 32 | 32 | 100.00 |
ALWAYS | 52 | 3 | 3 | 100.00 |
ALWAYS | 55 | 29 | 29 | 100.00 |
51
52 3/3 `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled)
Tests: T1 T2 T3 | T1 T2 T3 | T1 T2 T3
PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled):
52.1 `ifdef SIMULATION
52.2 prim_sparse_fsm_flop #(
52.3 .StateEnumT(state_e),
52.4 .Width($bits(state_e)),
52.5 .ResetValue($bits(state_e)'(Disabled)),
52.6 .EnableAlertTriggerSVA(1),
52.7 .CustomForceName("state_q")
52.8 ) u_state_regs (
52.9 .clk_i ( clk_i ),
52.10 .rst_ni ( rst_ni ),
52.11 .state_i ( state_d ),
52.12 .state_o ( )
52.13 );
52.14 always_ff @(posedge clk_i or negedge rst_ni) begin
52.15 1/1 if (!rst_ni) begin
Tests: T1 T2 T3
52.16 1/1 state_q <= Disabled;
Tests: T1 T2 T3
52.17 end else begin
52.18 1/1 state_q <= state_d;
Tests: T1 T2 T3
52.19 end
52.20 end
52.21 u_state_regs_A: assert property (@(posedge clk_i) disable iff ((!rst_ni) !== '0) (state_q === u_state_regs.state_o))
52.22 else begin
52.23 `ifdef UVM
52.24 uvm_pkg::uvm_report_error("ASSERT FAILED", "u_state_regs_A", uvm_pkg::UVM_NONE,
52.25 "../src/lowrisc_ip_edn_0.1/rtl/edn_ack_sm.sv", 52, "", 1);
52.26 `else
52.27 $error("%0t: (%0s:%0d) [%m] [ASSERT FAILED] %0s", $time, `__FILE__, `__LINE__,
52.28 `PRIM_STRINGIFY(u_state_regs_A));
52.29 `endif
52.30 end
52.31 `else
52.32 prim_sparse_fsm_flop #(
52.33 .StateEnumT(state_e),
52.34 .Width($bits(state_e)),
52.35 .ResetValue($bits(state_e)'(Disabled)),
52.36 .EnableAlertTriggerSVA(1)
52.37 ) u_state_regs (
52.38 .clk_i ( `PRIM_FLOP_CLK ),
52.39 .rst_ni ( `PRIM_FLOP_RST ),
52.40 .state_i ( state_d ),
52.41 .state_o ( state_q )
52.42 );
52.43 `endif53
54 always_comb begin
55 1/1 state_d = state_q;
Tests: T1 T2 T3
56 1/1 ack_o = 1'b0;
Tests: T1 T2 T3
57 1/1 fifo_clr_o = 1'b0;
Tests: T1 T2 T3
58 1/1 fifo_pop_o = 1'b0;
Tests: T1 T2 T3
59 1/1 ack_sm_err_o = 1'b0;
Tests: T1 T2 T3
60 1/1 unique case (state_q)
Tests: T1 T2 T3
61 Disabled: begin
62 1/1 if (enable_i) begin
Tests: T1 T2 T3
63 1/1 state_d = EndPointClear;
Tests: T1 T2 T3
64 1/1 fifo_clr_o = 1'b1;
Tests: T1 T2 T3
65 end
MISSING_ELSE
66 end
67 EndPointClear: begin
68 1/1 state_d = Idle;
Tests: T1 T2 T3
69 end
70 Idle: begin
71 1/1 if (req_i) begin
Tests: T1 T2 T3
72 1/1 if (fifo_not_empty_i) begin
Tests: T1 T2 T3
73 1/1 fifo_pop_o = 1'b1;
Tests: T1 T2 T3
74 end
MISSING_ELSE
75 1/1 state_d = DataWait;
Tests: T1 T2 T3
76 end
MISSING_ELSE
77 end
78 DataWait: begin
79 1/1 if (fifo_not_empty_i) begin
Tests: T1 T2 T3
80 1/1 state_d = AckPls;
Tests: T1 T2 T3
81 end
MISSING_ELSE
82 end
83 AckPls: begin
84 1/1 ack_o = 1'b1;
Tests: T1 T2 T3
85 1/1 state_d = Idle;
Tests: T1 T2 T3
86 end
87 Error: begin
88 1/1 ack_sm_err_o = 1'b1;
Tests: T4 T5 T33
89 end
90 default: begin
91 ack_sm_err_o = 1'b1;
92 state_d = Error;
93 end
94 endcase // unique case (state_q)
95
96 // If local escalation is seen, transition directly to
97 // error state.
98 1/1 if (local_escalate_i) begin
Tests: T1 T2 T3
99 1/1 state_d = Error;
Tests: T4 T5 T33
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T4 T5 T33
102 1/1 fifo_clr_o = 1'b0;
Tests: T4 T5 T33
103 1/1 fifo_pop_o = 1'b0;
Tests: T4 T5 T33
104 1/1 end else if (!enable_i && state_q inside {EndPointClear, Idle, DataWait, AckPls}) begin
Tests: T1 T2 T3
105 // Only disable if state is legal and not Disabled or Error.
106 // Even when disabled, illegal states must result in a transition to Error.
107 1/1 state_d = Disabled;
Tests: T23 T10 T17
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T23 T10 T17
110 1/1 fifo_pop_o = 1'b0;
Tests: T23 T10 T17
111 1/1 fifo_clr_o = 1'b0;
Tests: T23 T10 T17
112 end
MISSING_ELSE
Cond Coverage for Module :
edn_ack_sm
| Total | Covered | Percent |
Conditions | 3 | 3 | 100.00 |
Logical | 3 | 3 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 104
EXPRESSION (((!enable_i)) && (state_q inside {EndPointClear, Idle, DataWait, AckPls}))
------1------ ----------------------------2---------------------------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T1,T2,T3 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T23,T10,T17 |
FSM Coverage for Module :
edn_ack_sm
Summary for FSM :: state_q
| Total | Covered | Percent | |
States |
6 |
6 |
100.00 |
(Not included in score) |
Transitions |
14 |
13 |
92.86 |
|
Sequences |
0 |
0 |
|
|
State, Transition and Sequence Details for FSM :: state_q
states | Line No. | Covered | Tests |
AckPls |
80 |
Covered |
T1,T2,T3 |
DataWait |
75 |
Covered |
T1,T2,T3 |
Disabled |
107 |
Covered |
T1,T2,T3 |
EndPointClear |
63 |
Covered |
T1,T2,T3 |
Error |
99 |
Covered |
T4,T5,T33 |
Idle |
68 |
Covered |
T1,T2,T3 |
transitions | Line No. | Covered | Tests |
AckPls->Disabled |
107 |
Covered |
T29,T218 |
AckPls->Error |
99 |
Not Covered |
|
AckPls->Idle |
85 |
Covered |
T1,T2,T3 |
DataWait->AckPls |
80 |
Covered |
T1,T2,T3 |
DataWait->Disabled |
107 |
Covered |
T20,T50,T53 |
DataWait->Error |
99 |
Covered |
T8,T9,T219 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T16,T18,T19 |
EndPointClear->Disabled |
107 |
Covered |
T10,T21,T220 |
EndPointClear->Error |
99 |
Covered |
T16,T18,T19 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T1,T2,T3 |
Idle->Disabled |
107 |
Covered |
T23,T10,T17 |
Idle->Error |
99 |
Covered |
T4,T5,T33 |
Branch Coverage for Module :
edn_ack_sm
| Line No. | Total | Covered | Percent |
Branches |
|
16 |
16 |
100.00 |
IF |
52 |
2 |
2 |
100.00 |
CASE |
60 |
11 |
11 |
100.00 |
IF |
98 |
3 |
3 |
100.00 |
52 `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled)
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
60 unique case (state_q)
-1-
61 Disabled: begin
62 if (enable_i) begin
-2-
63 state_d = EndPointClear;
==>
64 fifo_clr_o = 1'b1;
65 end
MISSING_ELSE
==>
66 end
67 EndPointClear: begin
68 state_d = Idle;
==>
69 end
70 Idle: begin
71 if (req_i) begin
-3-
72 if (fifo_not_empty_i) begin
-4-
73 fifo_pop_o = 1'b1;
==>
74 end
MISSING_ELSE
==>
75 state_d = DataWait;
76 end
MISSING_ELSE
==>
77 end
78 DataWait: begin
79 if (fifo_not_empty_i) begin
-5-
80 state_d = AckPls;
==>
81 end
MISSING_ELSE
==>
82 end
83 AckPls: begin
84 ack_o = 1'b1;
==>
85 state_d = Idle;
86 end
87 Error: begin
88 ack_sm_err_o = 1'b1;
==>
89 end
90 default: begin
91 ack_sm_err_o = 1'b1;
==>
Branches:
-1- | -2- | -3- | -4- | -5- | Status | Tests |
Disabled |
1 |
- |
- |
- |
Covered |
T1,T2,T3 |
Disabled |
0 |
- |
- |
- |
Covered |
T1,T2,T3 |
EndPointClear |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
Idle |
- |
1 |
1 |
- |
Covered |
T1,T2,T3 |
Idle |
- |
1 |
0 |
- |
Covered |
T1,T2,T3 |
Idle |
- |
0 |
- |
- |
Covered |
T1,T2,T3 |
DataWait |
- |
- |
- |
1 |
Covered |
T1,T2,T3 |
DataWait |
- |
- |
- |
0 |
Covered |
T1,T2,T3 |
AckPls |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
Error |
- |
- |
- |
- |
Covered |
T4,T5,T33 |
default |
- |
- |
- |
- |
Covered |
T5,T16,T71 |
98 if (local_escalate_i) begin
-1-
99 state_d = Error;
==>
100 // Tie off outputs, except for ack_sm_err_o.
101 ack_o = 1'b0;
102 fifo_clr_o = 1'b0;
103 fifo_pop_o = 1'b0;
104 end else if (!enable_i && state_q inside {EndPointClear, Idle, DataWait, AckPls}) begin
-2-
105 // Only disable if state is legal and not Disabled or Error.
106 // Even when disabled, illegal states must result in a transition to Error.
107 state_d = Disabled;
==>
108 // Tie off all outputs, except for ack_sm_err_o.
109 ack_o = 1'b0;
110 fifo_pop_o = 1'b0;
111 fifo_clr_o = 1'b0;
112 end
MISSING_ELSE
==>
Branches:
-1- | -2- | Status | Tests |
1 |
- |
Covered |
T4,T5,T33 |
0 |
1 |
Covered |
T23,T10,T17 |
0 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Module :
edn_ack_sm
Assertion Details
AckSmErrorStStable_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
80428978 |
1065244 |
0 |
0 |
T4 |
3864 |
1722 |
0 |
0 |
T5 |
15652 |
8007 |
0 |
0 |
T6 |
143836 |
0 |
0 |
0 |
T7 |
0 |
7826 |
0 |
0 |
T8 |
0 |
4382 |
0 |
0 |
T9 |
0 |
7672 |
0 |
0 |
T10 |
17899 |
0 |
0 |
0 |
T11 |
26831 |
0 |
0 |
0 |
T16 |
0 |
61131 |
0 |
0 |
T17 |
20545 |
0 |
0 |
0 |
T18 |
0 |
65597 |
0 |
0 |
T24 |
8309 |
0 |
0 |
0 |
T25 |
6398 |
0 |
0 |
0 |
T26 |
12481 |
0 |
0 |
0 |
T33 |
10381 |
4326 |
0 |
0 |
T65 |
0 |
4542 |
0 |
0 |
T71 |
0 |
7650 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
80428978 |
1072573 |
0 |
0 |
T4 |
3864 |
1729 |
0 |
0 |
T5 |
15652 |
8014 |
0 |
0 |
T6 |
143836 |
0 |
0 |
0 |
T7 |
0 |
7833 |
0 |
0 |
T8 |
0 |
4389 |
0 |
0 |
T9 |
0 |
7679 |
0 |
0 |
T10 |
17899 |
0 |
0 |
0 |
T11 |
26831 |
0 |
0 |
0 |
T16 |
0 |
62041 |
0 |
0 |
T17 |
20545 |
0 |
0 |
0 |
T18 |
0 |
66507 |
0 |
0 |
T24 |
8309 |
0 |
0 |
0 |
T25 |
6398 |
0 |
0 |
0 |
T26 |
12481 |
0 |
0 |
0 |
T33 |
10381 |
4333 |
0 |
0 |
T65 |
0 |
4549 |
0 |
0 |
T71 |
0 |
7657 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
80384974 |
79130189 |
0 |
0 |
T1 |
7861 |
7315 |
0 |
0 |
T2 |
11137 |
10591 |
0 |
0 |
T3 |
17843 |
17227 |
0 |
0 |
T4 |
3697 |
2318 |
0 |
0 |
T5 |
15484 |
14448 |
0 |
0 |
T10 |
17899 |
17416 |
0 |
0 |
T17 |
20545 |
20055 |
0 |
0 |
T23 |
6860 |
6440 |
0 |
0 |
T24 |
8309 |
7840 |
0 |
0 |
T25 |
6398 |
5950 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[0].u_edn_ack_sm_ep
| Line No. | Total | Covered | Percent |
TOTAL | | 32 | 32 | 100.00 |
ALWAYS | 52 | 3 | 3 | 100.00 |
ALWAYS | 55 | 29 | 29 | 100.00 |
51
52 3/3 `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled)
Tests: T1 T2 T3 | T1 T2 T3 | T1 T2 T3
PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled):
52.1 `ifdef SIMULATION
52.2 prim_sparse_fsm_flop #(
52.3 .StateEnumT(state_e),
52.4 .Width($bits(state_e)),
52.5 .ResetValue($bits(state_e)'(Disabled)),
52.6 .EnableAlertTriggerSVA(1),
52.7 .CustomForceName("state_q")
52.8 ) u_state_regs (
52.9 .clk_i ( clk_i ),
52.10 .rst_ni ( rst_ni ),
52.11 .state_i ( state_d ),
52.12 .state_o ( )
52.13 );
52.14 always_ff @(posedge clk_i or negedge rst_ni) begin
52.15 1/1 if (!rst_ni) begin
Tests: T1 T2 T3
52.16 1/1 state_q <= Disabled;
Tests: T1 T2 T3
52.17 end else begin
52.18 1/1 state_q <= state_d;
Tests: T1 T2 T3
52.19 end
52.20 end
52.21 u_state_regs_A: assert property (@(posedge clk_i) disable iff ((!rst_ni) !== '0) (state_q === u_state_regs.state_o))
52.22 else begin
52.23 `ifdef UVM
52.24 uvm_pkg::uvm_report_error("ASSERT FAILED", "u_state_regs_A", uvm_pkg::UVM_NONE,
52.25 "../src/lowrisc_ip_edn_0.1/rtl/edn_ack_sm.sv", 52, "", 1);
52.26 `else
52.27 $error("%0t: (%0s:%0d) [%m] [ASSERT FAILED] %0s", $time, `__FILE__, `__LINE__,
52.28 `PRIM_STRINGIFY(u_state_regs_A));
52.29 `endif
52.30 end
52.31 `else
52.32 prim_sparse_fsm_flop #(
52.33 .StateEnumT(state_e),
52.34 .Width($bits(state_e)),
52.35 .ResetValue($bits(state_e)'(Disabled)),
52.36 .EnableAlertTriggerSVA(1)
52.37 ) u_state_regs (
52.38 .clk_i ( `PRIM_FLOP_CLK ),
52.39 .rst_ni ( `PRIM_FLOP_RST ),
52.40 .state_i ( state_d ),
52.41 .state_o ( state_q )
52.42 );
52.43 `endif53
54 always_comb begin
55 1/1 state_d = state_q;
Tests: T1 T2 T3
56 1/1 ack_o = 1'b0;
Tests: T1 T2 T3
57 1/1 fifo_clr_o = 1'b0;
Tests: T1 T2 T3
58 1/1 fifo_pop_o = 1'b0;
Tests: T1 T2 T3
59 1/1 ack_sm_err_o = 1'b0;
Tests: T1 T2 T3
60 1/1 unique case (state_q)
Tests: T1 T2 T3
61 Disabled: begin
62 1/1 if (enable_i) begin
Tests: T1 T2 T3
63 1/1 state_d = EndPointClear;
Tests: T1 T2 T3
64 1/1 fifo_clr_o = 1'b1;
Tests: T1 T2 T3
65 end
MISSING_ELSE
66 end
67 EndPointClear: begin
68 1/1 state_d = Idle;
Tests: T1 T2 T3
69 end
70 Idle: begin
71 1/1 if (req_i) begin
Tests: T1 T2 T3
72 1/1 if (fifo_not_empty_i) begin
Tests: T1 T2 T3
73 1/1 fifo_pop_o = 1'b1;
Tests: T1 T2 T3
74 end
MISSING_ELSE
75 1/1 state_d = DataWait;
Tests: T1 T2 T3
76 end
MISSING_ELSE
77 end
78 DataWait: begin
79 1/1 if (fifo_not_empty_i) begin
Tests: T1 T2 T3
80 1/1 state_d = AckPls;
Tests: T1 T2 T3
81 end
MISSING_ELSE
82 end
83 AckPls: begin
84 1/1 ack_o = 1'b1;
Tests: T1 T2 T3
85 1/1 state_d = Idle;
Tests: T1 T2 T3
86 end
87 Error: begin
88 1/1 ack_sm_err_o = 1'b1;
Tests: T4 T5 T33
89 end
90 default: begin
91 ack_sm_err_o = 1'b1;
92 state_d = Error;
93 end
94 endcase // unique case (state_q)
95
96 // If local escalation is seen, transition directly to
97 // error state.
98 1/1 if (local_escalate_i) begin
Tests: T1 T2 T3
99 1/1 state_d = Error;
Tests: T4 T5 T33
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T4 T5 T33
102 1/1 fifo_clr_o = 1'b0;
Tests: T4 T5 T33
103 1/1 fifo_pop_o = 1'b0;
Tests: T4 T5 T33
104 1/1 end else if (!enable_i && state_q inside {EndPointClear, Idle, DataWait, AckPls}) begin
Tests: T1 T2 T3
105 // Only disable if state is legal and not Disabled or Error.
106 // Even when disabled, illegal states must result in a transition to Error.
107 1/1 state_d = Disabled;
Tests: T23 T10 T17
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T23 T10 T17
110 1/1 fifo_pop_o = 1'b0;
Tests: T23 T10 T17
111 1/1 fifo_clr_o = 1'b0;
Tests: T23 T10 T17
112 end
MISSING_ELSE
Cond Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[0].u_edn_ack_sm_ep
| Total | Covered | Percent |
Conditions | 3 | 3 | 100.00 |
Logical | 3 | 3 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 104
EXPRESSION (((!enable_i)) && (state_q inside {EndPointClear, Idle, DataWait, AckPls}))
------1------ ----------------------------2---------------------------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T1,T2,T3 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T23,T10,T17 |
FSM Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[0].u_edn_ack_sm_ep
Summary for FSM :: state_q
| Total | Covered | Percent | |
States |
6 |
6 |
100.00 |
(Not included in score) |
Transitions |
14 |
12 |
85.71 |
|
Sequences |
0 |
0 |
|
|
State, Transition and Sequence Details for FSM :: state_q
states | Line No. | Covered | Tests |
AckPls |
80 |
Covered |
T1,T2,T3 |
DataWait |
75 |
Covered |
T1,T2,T3 |
Disabled |
107 |
Covered |
T1,T2,T3 |
EndPointClear |
63 |
Covered |
T1,T2,T3 |
Error |
99 |
Covered |
T4,T5,T33 |
Idle |
68 |
Covered |
T1,T2,T3 |
transitions | Line No. | Covered | Tests |
AckPls->Disabled |
107 |
Not Covered |
|
AckPls->Error |
99 |
Not Covered |
|
AckPls->Idle |
85 |
Covered |
T1,T2,T3 |
DataWait->AckPls |
80 |
Covered |
T1,T2,T3 |
DataWait->Disabled |
107 |
Covered |
T99,T38,T39 |
DataWait->Error |
99 |
Covered |
T8,T9,T219 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T16,T18,T19 |
EndPointClear->Disabled |
107 |
Covered |
T10,T21,T220 |
EndPointClear->Error |
99 |
Covered |
T16,T18,T19 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T1,T2,T3 |
Idle->Disabled |
107 |
Covered |
T23,T10,T17 |
Idle->Error |
99 |
Covered |
T4,T33,T7 |
Branch Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[0].u_edn_ack_sm_ep
| Line No. | Total | Covered | Percent |
Branches |
|
16 |
16 |
100.00 |
IF |
52 |
2 |
2 |
100.00 |
CASE |
60 |
11 |
11 |
100.00 |
IF |
98 |
3 |
3 |
100.00 |
52 `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled)
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
60 unique case (state_q)
-1-
61 Disabled: begin
62 if (enable_i) begin
-2-
63 state_d = EndPointClear;
==>
64 fifo_clr_o = 1'b1;
65 end
MISSING_ELSE
==>
66 end
67 EndPointClear: begin
68 state_d = Idle;
==>
69 end
70 Idle: begin
71 if (req_i) begin
-3-
72 if (fifo_not_empty_i) begin
-4-
73 fifo_pop_o = 1'b1;
==>
74 end
MISSING_ELSE
==>
75 state_d = DataWait;
76 end
MISSING_ELSE
==>
77 end
78 DataWait: begin
79 if (fifo_not_empty_i) begin
-5-
80 state_d = AckPls;
==>
81 end
MISSING_ELSE
==>
82 end
83 AckPls: begin
84 ack_o = 1'b1;
==>
85 state_d = Idle;
86 end
87 Error: begin
88 ack_sm_err_o = 1'b1;
==>
89 end
90 default: begin
91 ack_sm_err_o = 1'b1;
==>
Branches:
-1- | -2- | -3- | -4- | -5- | Status | Tests |
Disabled |
1 |
- |
- |
- |
Covered |
T1,T2,T3 |
Disabled |
0 |
- |
- |
- |
Covered |
T1,T2,T3 |
EndPointClear |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
Idle |
- |
1 |
1 |
- |
Covered |
T1,T2,T3 |
Idle |
- |
1 |
0 |
- |
Covered |
T1,T2,T3 |
Idle |
- |
0 |
- |
- |
Covered |
T1,T2,T3 |
DataWait |
- |
- |
- |
1 |
Covered |
T1,T2,T3 |
DataWait |
- |
- |
- |
0 |
Covered |
T1,T2,T3 |
AckPls |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
Error |
- |
- |
- |
- |
Covered |
T4,T5,T33 |
default |
- |
- |
- |
- |
Covered |
T5,T16,T71 |
98 if (local_escalate_i) begin
-1-
99 state_d = Error;
==>
100 // Tie off outputs, except for ack_sm_err_o.
101 ack_o = 1'b0;
102 fifo_clr_o = 1'b0;
103 fifo_pop_o = 1'b0;
104 end else if (!enable_i && state_q inside {EndPointClear, Idle, DataWait, AckPls}) begin
-2-
105 // Only disable if state is legal and not Disabled or Error.
106 // Even when disabled, illegal states must result in a transition to Error.
107 state_d = Disabled;
==>
108 // Tie off all outputs, except for ack_sm_err_o.
109 ack_o = 1'b0;
110 fifo_pop_o = 1'b0;
111 fifo_clr_o = 1'b0;
112 end
MISSING_ELSE
==>
Branches:
-1- | -2- | Status | Tests |
1 |
- |
Covered |
T4,T5,T33 |
0 |
1 |
Covered |
T23,T10,T17 |
0 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[0].u_edn_ack_sm_ep
Assertion Details
AckSmErrorStStable_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
11489854 |
150292 |
0 |
0 |
T4 |
552 |
246 |
0 |
0 |
T5 |
2236 |
1101 |
0 |
0 |
T6 |
20548 |
0 |
0 |
0 |
T7 |
0 |
1118 |
0 |
0 |
T8 |
0 |
626 |
0 |
0 |
T9 |
0 |
1096 |
0 |
0 |
T10 |
2557 |
0 |
0 |
0 |
T11 |
3833 |
0 |
0 |
0 |
T16 |
0 |
8733 |
0 |
0 |
T17 |
2935 |
0 |
0 |
0 |
T18 |
0 |
9371 |
0 |
0 |
T24 |
1187 |
0 |
0 |
0 |
T25 |
914 |
0 |
0 |
0 |
T26 |
1783 |
0 |
0 |
0 |
T33 |
1483 |
618 |
0 |
0 |
T65 |
0 |
606 |
0 |
0 |
T71 |
0 |
1050 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
11489854 |
151339 |
0 |
0 |
T4 |
552 |
247 |
0 |
0 |
T5 |
2236 |
1102 |
0 |
0 |
T6 |
20548 |
0 |
0 |
0 |
T7 |
0 |
1119 |
0 |
0 |
T8 |
0 |
627 |
0 |
0 |
T9 |
0 |
1097 |
0 |
0 |
T10 |
2557 |
0 |
0 |
0 |
T11 |
3833 |
0 |
0 |
0 |
T16 |
0 |
8863 |
0 |
0 |
T17 |
2935 |
0 |
0 |
0 |
T18 |
0 |
9501 |
0 |
0 |
T24 |
1187 |
0 |
0 |
0 |
T25 |
914 |
0 |
0 |
0 |
T26 |
1783 |
0 |
0 |
0 |
T33 |
1483 |
619 |
0 |
0 |
T65 |
0 |
607 |
0 |
0 |
T71 |
0 |
1051 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
11445850 |
11266595 |
0 |
0 |
T1 |
1123 |
1045 |
0 |
0 |
T2 |
1591 |
1513 |
0 |
0 |
T3 |
2549 |
2461 |
0 |
0 |
T4 |
385 |
188 |
0 |
0 |
T5 |
2068 |
1920 |
0 |
0 |
T10 |
2557 |
2488 |
0 |
0 |
T17 |
2935 |
2865 |
0 |
0 |
T23 |
980 |
920 |
0 |
0 |
T24 |
1187 |
1120 |
0 |
0 |
T25 |
914 |
850 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[2].u_edn_ack_sm_ep
| Line No. | Total | Covered | Percent |
TOTAL | | 32 | 32 | 100.00 |
ALWAYS | 52 | 3 | 3 | 100.00 |
ALWAYS | 55 | 29 | 29 | 100.00 |
51
52 3/3 `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled)
Tests: T1 T2 T3 | T1 T2 T3 | T1 T2 T3
PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled):
52.1 `ifdef SIMULATION
52.2 prim_sparse_fsm_flop #(
52.3 .StateEnumT(state_e),
52.4 .Width($bits(state_e)),
52.5 .ResetValue($bits(state_e)'(Disabled)),
52.6 .EnableAlertTriggerSVA(1),
52.7 .CustomForceName("state_q")
52.8 ) u_state_regs (
52.9 .clk_i ( clk_i ),
52.10 .rst_ni ( rst_ni ),
52.11 .state_i ( state_d ),
52.12 .state_o ( )
52.13 );
52.14 always_ff @(posedge clk_i or negedge rst_ni) begin
52.15 1/1 if (!rst_ni) begin
Tests: T1 T2 T3
52.16 1/1 state_q <= Disabled;
Tests: T1 T2 T3
52.17 end else begin
52.18 1/1 state_q <= state_d;
Tests: T1 T2 T3
52.19 end
52.20 end
52.21 u_state_regs_A: assert property (@(posedge clk_i) disable iff ((!rst_ni) !== '0) (state_q === u_state_regs.state_o))
52.22 else begin
52.23 `ifdef UVM
52.24 uvm_pkg::uvm_report_error("ASSERT FAILED", "u_state_regs_A", uvm_pkg::UVM_NONE,
52.25 "../src/lowrisc_ip_edn_0.1/rtl/edn_ack_sm.sv", 52, "", 1);
52.26 `else
52.27 $error("%0t: (%0s:%0d) [%m] [ASSERT FAILED] %0s", $time, `__FILE__, `__LINE__,
52.28 `PRIM_STRINGIFY(u_state_regs_A));
52.29 `endif
52.30 end
52.31 `else
52.32 prim_sparse_fsm_flop #(
52.33 .StateEnumT(state_e),
52.34 .Width($bits(state_e)),
52.35 .ResetValue($bits(state_e)'(Disabled)),
52.36 .EnableAlertTriggerSVA(1)
52.37 ) u_state_regs (
52.38 .clk_i ( `PRIM_FLOP_CLK ),
52.39 .rst_ni ( `PRIM_FLOP_RST ),
52.40 .state_i ( state_d ),
52.41 .state_o ( state_q )
52.42 );
52.43 `endif53
54 always_comb begin
55 1/1 state_d = state_q;
Tests: T1 T2 T3
56 1/1 ack_o = 1'b0;
Tests: T1 T2 T3
57 1/1 fifo_clr_o = 1'b0;
Tests: T1 T2 T3
58 1/1 fifo_pop_o = 1'b0;
Tests: T1 T2 T3
59 1/1 ack_sm_err_o = 1'b0;
Tests: T1 T2 T3
60 1/1 unique case (state_q)
Tests: T1 T2 T3
61 Disabled: begin
62 1/1 if (enable_i) begin
Tests: T1 T2 T3
63 1/1 state_d = EndPointClear;
Tests: T1 T2 T3
64 1/1 fifo_clr_o = 1'b1;
Tests: T1 T2 T3
65 end
MISSING_ELSE
66 end
67 EndPointClear: begin
68 1/1 state_d = Idle;
Tests: T1 T2 T3
69 end
70 Idle: begin
71 1/1 if (req_i) begin
Tests: T1 T2 T3
72 1/1 if (fifo_not_empty_i) begin
Tests: T10 T45 T46
73 1/1 fifo_pop_o = 1'b1;
Tests: T10 T45 T46
74 end
MISSING_ELSE
75 1/1 state_d = DataWait;
Tests: T10 T45 T46
76 end
MISSING_ELSE
77 end
78 DataWait: begin
79 1/1 if (fifo_not_empty_i) begin
Tests: T10 T45 T46
80 1/1 state_d = AckPls;
Tests: T10 T45 T46
81 end
MISSING_ELSE
82 end
83 AckPls: begin
84 1/1 ack_o = 1'b1;
Tests: T10 T45 T46
85 1/1 state_d = Idle;
Tests: T10 T45 T46
86 end
87 Error: begin
88 1/1 ack_sm_err_o = 1'b1;
Tests: T4 T5 T33
89 end
90 default: begin
91 ack_sm_err_o = 1'b1;
92 state_d = Error;
93 end
94 endcase // unique case (state_q)
95
96 // If local escalation is seen, transition directly to
97 // error state.
98 1/1 if (local_escalate_i) begin
Tests: T1 T2 T3
99 1/1 state_d = Error;
Tests: T4 T5 T33
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T4 T5 T33
102 1/1 fifo_clr_o = 1'b0;
Tests: T4 T5 T33
103 1/1 fifo_pop_o = 1'b0;
Tests: T4 T5 T33
104 1/1 end else if (!enable_i && state_q inside {EndPointClear, Idle, DataWait, AckPls}) begin
Tests: T1 T2 T3
105 // Only disable if state is legal and not Disabled or Error.
106 // Even when disabled, illegal states must result in a transition to Error.
107 1/1 state_d = Disabled;
Tests: T23 T10 T17
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T23 T10 T17
110 1/1 fifo_pop_o = 1'b0;
Tests: T23 T10 T17
111 1/1 fifo_clr_o = 1'b0;
Tests: T23 T10 T17
112 end
MISSING_ELSE
Cond Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[2].u_edn_ack_sm_ep
| Total | Covered | Percent |
Conditions | 3 | 3 | 100.00 |
Logical | 3 | 3 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 104
EXPRESSION (((!enable_i)) && (state_q inside {EndPointClear, Idle, DataWait, AckPls}))
------1------ ----------------------------2---------------------------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T1,T2,T3 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T23,T10,T17 |
FSM Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[2].u_edn_ack_sm_ep
Summary for FSM :: state_q
| Total | Covered | Percent | |
States |
6 |
6 |
100.00 |
(Not included in score) |
Transitions |
14 |
12 |
85.71 |
|
Sequences |
0 |
0 |
|
|
State, Transition and Sequence Details for FSM :: state_q
states | Line No. | Covered | Tests |
AckPls |
80 |
Covered |
T10,T45,T46 |
DataWait |
75 |
Covered |
T10,T45,T46 |
Disabled |
107 |
Covered |
T1,T2,T3 |
EndPointClear |
63 |
Covered |
T1,T2,T3 |
Error |
99 |
Covered |
T4,T5,T33 |
Idle |
68 |
Covered |
T1,T2,T3 |
transitions | Line No. | Covered | Tests |
AckPls->Disabled |
107 |
Not Covered |
|
AckPls->Error |
99 |
Not Covered |
|
AckPls->Idle |
85 |
Covered |
T10,T45,T46 |
DataWait->AckPls |
80 |
Covered |
T10,T45,T46 |
DataWait->Disabled |
107 |
Covered |
T50,T221,T222 |
DataWait->Error |
99 |
Covered |
T145 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T16,T18,T19 |
EndPointClear->Disabled |
107 |
Covered |
T10,T21,T220 |
EndPointClear->Error |
99 |
Covered |
T16,T18,T19 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T10,T45,T46 |
Idle->Disabled |
107 |
Covered |
T23,T10,T17 |
Idle->Error |
99 |
Covered |
T4,T5,T33 |
Branch Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[2].u_edn_ack_sm_ep
| Line No. | Total | Covered | Percent |
Branches |
|
16 |
16 |
100.00 |
IF |
52 |
2 |
2 |
100.00 |
CASE |
60 |
11 |
11 |
100.00 |
IF |
98 |
3 |
3 |
100.00 |
52 `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled)
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
60 unique case (state_q)
-1-
61 Disabled: begin
62 if (enable_i) begin
-2-
63 state_d = EndPointClear;
==>
64 fifo_clr_o = 1'b1;
65 end
MISSING_ELSE
==>
66 end
67 EndPointClear: begin
68 state_d = Idle;
==>
69 end
70 Idle: begin
71 if (req_i) begin
-3-
72 if (fifo_not_empty_i) begin
-4-
73 fifo_pop_o = 1'b1;
==>
74 end
MISSING_ELSE
==>
75 state_d = DataWait;
76 end
MISSING_ELSE
==>
77 end
78 DataWait: begin
79 if (fifo_not_empty_i) begin
-5-
80 state_d = AckPls;
==>
81 end
MISSING_ELSE
==>
82 end
83 AckPls: begin
84 ack_o = 1'b1;
==>
85 state_d = Idle;
86 end
87 Error: begin
88 ack_sm_err_o = 1'b1;
==>
89 end
90 default: begin
91 ack_sm_err_o = 1'b1;
==>
Branches:
-1- | -2- | -3- | -4- | -5- | Status | Tests |
Disabled |
1 |
- |
- |
- |
Covered |
T1,T2,T3 |
Disabled |
0 |
- |
- |
- |
Covered |
T1,T2,T3 |
EndPointClear |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
Idle |
- |
1 |
1 |
- |
Covered |
T10,T45,T46 |
Idle |
- |
1 |
0 |
- |
Covered |
T10,T45,T46 |
Idle |
- |
0 |
- |
- |
Covered |
T1,T2,T3 |
DataWait |
- |
- |
- |
1 |
Covered |
T10,T45,T46 |
DataWait |
- |
- |
- |
0 |
Covered |
T10,T46,T43 |
AckPls |
- |
- |
- |
- |
Covered |
T10,T45,T46 |
Error |
- |
- |
- |
- |
Covered |
T4,T5,T33 |
default |
- |
- |
- |
- |
Covered |
T16,T18,T19 |
98 if (local_escalate_i) begin
-1-
99 state_d = Error;
==>
100 // Tie off outputs, except for ack_sm_err_o.
101 ack_o = 1'b0;
102 fifo_clr_o = 1'b0;
103 fifo_pop_o = 1'b0;
104 end else if (!enable_i && state_q inside {EndPointClear, Idle, DataWait, AckPls}) begin
-2-
105 // Only disable if state is legal and not Disabled or Error.
106 // Even when disabled, illegal states must result in a transition to Error.
107 state_d = Disabled;
==>
108 // Tie off all outputs, except for ack_sm_err_o.
109 ack_o = 1'b0;
110 fifo_pop_o = 1'b0;
111 fifo_clr_o = 1'b0;
112 end
MISSING_ELSE
==>
Branches:
-1- | -2- | Status | Tests |
1 |
- |
Covered |
T4,T5,T33 |
0 |
1 |
Covered |
T23,T10,T17 |
0 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[2].u_edn_ack_sm_ep
Assertion Details
AckSmErrorStStable_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
11489854 |
152492 |
0 |
0 |
T4 |
552 |
246 |
0 |
0 |
T5 |
2236 |
1151 |
0 |
0 |
T6 |
20548 |
0 |
0 |
0 |
T7 |
0 |
1118 |
0 |
0 |
T8 |
0 |
626 |
0 |
0 |
T9 |
0 |
1096 |
0 |
0 |
T10 |
2557 |
0 |
0 |
0 |
T11 |
3833 |
0 |
0 |
0 |
T16 |
0 |
8733 |
0 |
0 |
T17 |
2935 |
0 |
0 |
0 |
T18 |
0 |
9371 |
0 |
0 |
T24 |
1187 |
0 |
0 |
0 |
T25 |
914 |
0 |
0 |
0 |
T26 |
1783 |
0 |
0 |
0 |
T33 |
1483 |
618 |
0 |
0 |
T65 |
0 |
656 |
0 |
0 |
T71 |
0 |
1100 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
11489854 |
153539 |
0 |
0 |
T4 |
552 |
247 |
0 |
0 |
T5 |
2236 |
1152 |
0 |
0 |
T6 |
20548 |
0 |
0 |
0 |
T7 |
0 |
1119 |
0 |
0 |
T8 |
0 |
627 |
0 |
0 |
T9 |
0 |
1097 |
0 |
0 |
T10 |
2557 |
0 |
0 |
0 |
T11 |
3833 |
0 |
0 |
0 |
T16 |
0 |
8863 |
0 |
0 |
T17 |
2935 |
0 |
0 |
0 |
T18 |
0 |
9501 |
0 |
0 |
T24 |
1187 |
0 |
0 |
0 |
T25 |
914 |
0 |
0 |
0 |
T26 |
1783 |
0 |
0 |
0 |
T33 |
1483 |
619 |
0 |
0 |
T65 |
0 |
657 |
0 |
0 |
T71 |
0 |
1101 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
11489854 |
11310599 |
0 |
0 |
T1 |
1123 |
1045 |
0 |
0 |
T2 |
1591 |
1513 |
0 |
0 |
T3 |
2549 |
2461 |
0 |
0 |
T4 |
552 |
355 |
0 |
0 |
T5 |
2236 |
2088 |
0 |
0 |
T10 |
2557 |
2488 |
0 |
0 |
T17 |
2935 |
2865 |
0 |
0 |
T23 |
980 |
920 |
0 |
0 |
T24 |
1187 |
1120 |
0 |
0 |
T25 |
914 |
850 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[3].u_edn_ack_sm_ep
| Line No. | Total | Covered | Percent |
TOTAL | | 32 | 32 | 100.00 |
ALWAYS | 52 | 3 | 3 | 100.00 |
ALWAYS | 55 | 29 | 29 | 100.00 |
51
52 3/3 `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled)
Tests: T1 T2 T3 | T1 T2 T3 | T1 T2 T3
PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled):
52.1 `ifdef SIMULATION
52.2 prim_sparse_fsm_flop #(
52.3 .StateEnumT(state_e),
52.4 .Width($bits(state_e)),
52.5 .ResetValue($bits(state_e)'(Disabled)),
52.6 .EnableAlertTriggerSVA(1),
52.7 .CustomForceName("state_q")
52.8 ) u_state_regs (
52.9 .clk_i ( clk_i ),
52.10 .rst_ni ( rst_ni ),
52.11 .state_i ( state_d ),
52.12 .state_o ( )
52.13 );
52.14 always_ff @(posedge clk_i or negedge rst_ni) begin
52.15 1/1 if (!rst_ni) begin
Tests: T1 T2 T3
52.16 1/1 state_q <= Disabled;
Tests: T1 T2 T3
52.17 end else begin
52.18 1/1 state_q <= state_d;
Tests: T1 T2 T3
52.19 end
52.20 end
52.21 u_state_regs_A: assert property (@(posedge clk_i) disable iff ((!rst_ni) !== '0) (state_q === u_state_regs.state_o))
52.22 else begin
52.23 `ifdef UVM
52.24 uvm_pkg::uvm_report_error("ASSERT FAILED", "u_state_regs_A", uvm_pkg::UVM_NONE,
52.25 "../src/lowrisc_ip_edn_0.1/rtl/edn_ack_sm.sv", 52, "", 1);
52.26 `else
52.27 $error("%0t: (%0s:%0d) [%m] [ASSERT FAILED] %0s", $time, `__FILE__, `__LINE__,
52.28 `PRIM_STRINGIFY(u_state_regs_A));
52.29 `endif
52.30 end
52.31 `else
52.32 prim_sparse_fsm_flop #(
52.33 .StateEnumT(state_e),
52.34 .Width($bits(state_e)),
52.35 .ResetValue($bits(state_e)'(Disabled)),
52.36 .EnableAlertTriggerSVA(1)
52.37 ) u_state_regs (
52.38 .clk_i ( `PRIM_FLOP_CLK ),
52.39 .rst_ni ( `PRIM_FLOP_RST ),
52.40 .state_i ( state_d ),
52.41 .state_o ( state_q )
52.42 );
52.43 `endif53
54 always_comb begin
55 1/1 state_d = state_q;
Tests: T1 T2 T3
56 1/1 ack_o = 1'b0;
Tests: T1 T2 T3
57 1/1 fifo_clr_o = 1'b0;
Tests: T1 T2 T3
58 1/1 fifo_pop_o = 1'b0;
Tests: T1 T2 T3
59 1/1 ack_sm_err_o = 1'b0;
Tests: T1 T2 T3
60 1/1 unique case (state_q)
Tests: T1 T2 T3
61 Disabled: begin
62 1/1 if (enable_i) begin
Tests: T1 T2 T3
63 1/1 state_d = EndPointClear;
Tests: T1 T2 T3
64 1/1 fifo_clr_o = 1'b1;
Tests: T1 T2 T3
65 end
MISSING_ELSE
66 end
67 EndPointClear: begin
68 1/1 state_d = Idle;
Tests: T1 T2 T3
69 end
70 Idle: begin
71 1/1 if (req_i) begin
Tests: T1 T2 T3
72 1/1 if (fifo_not_empty_i) begin
Tests: T23 T20 T51
73 1/1 fifo_pop_o = 1'b1;
Tests: T23 T20 T51
74 end
MISSING_ELSE
75 1/1 state_d = DataWait;
Tests: T23 T20 T51
76 end
MISSING_ELSE
77 end
78 DataWait: begin
79 1/1 if (fifo_not_empty_i) begin
Tests: T23 T20 T51
80 1/1 state_d = AckPls;
Tests: T23 T20 T51
81 end
MISSING_ELSE
82 end
83 AckPls: begin
84 1/1 ack_o = 1'b1;
Tests: T23 T20 T51
85 1/1 state_d = Idle;
Tests: T23 T20 T51
86 end
87 Error: begin
88 1/1 ack_sm_err_o = 1'b1;
Tests: T4 T5 T33
89 end
90 default: begin
91 ack_sm_err_o = 1'b1;
92 state_d = Error;
93 end
94 endcase // unique case (state_q)
95
96 // If local escalation is seen, transition directly to
97 // error state.
98 1/1 if (local_escalate_i) begin
Tests: T1 T2 T3
99 1/1 state_d = Error;
Tests: T4 T5 T33
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T4 T5 T33
102 1/1 fifo_clr_o = 1'b0;
Tests: T4 T5 T33
103 1/1 fifo_pop_o = 1'b0;
Tests: T4 T5 T33
104 1/1 end else if (!enable_i && state_q inside {EndPointClear, Idle, DataWait, AckPls}) begin
Tests: T1 T2 T3
105 // Only disable if state is legal and not Disabled or Error.
106 // Even when disabled, illegal states must result in a transition to Error.
107 1/1 state_d = Disabled;
Tests: T23 T10 T17
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T23 T10 T17
110 1/1 fifo_pop_o = 1'b0;
Tests: T23 T10 T17
111 1/1 fifo_clr_o = 1'b0;
Tests: T23 T10 T17
112 end
MISSING_ELSE
Cond Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[3].u_edn_ack_sm_ep
| Total | Covered | Percent |
Conditions | 3 | 3 | 100.00 |
Logical | 3 | 3 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 104
EXPRESSION (((!enable_i)) && (state_q inside {EndPointClear, Idle, DataWait, AckPls}))
------1------ ----------------------------2---------------------------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T1,T2,T3 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T23,T10,T17 |
FSM Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[3].u_edn_ack_sm_ep
Summary for FSM :: state_q
| Total | Covered | Percent | |
States |
6 |
6 |
100.00 |
(Not included in score) |
Transitions |
14 |
12 |
85.71 |
|
Sequences |
0 |
0 |
|
|
State, Transition and Sequence Details for FSM :: state_q
states | Line No. | Covered | Tests |
AckPls |
80 |
Covered |
T23,T20,T51 |
DataWait |
75 |
Covered |
T23,T20,T51 |
Disabled |
107 |
Covered |
T1,T2,T3 |
EndPointClear |
63 |
Covered |
T1,T2,T3 |
Error |
99 |
Covered |
T4,T5,T33 |
Idle |
68 |
Covered |
T1,T2,T3 |
transitions | Line No. | Covered | Tests |
AckPls->Disabled |
107 |
Not Covered |
|
AckPls->Error |
99 |
Not Covered |
|
AckPls->Idle |
85 |
Covered |
T23,T20,T51 |
DataWait->AckPls |
80 |
Covered |
T23,T20,T51 |
DataWait->Disabled |
107 |
Covered |
T20,T53,T88 |
DataWait->Error |
99 |
Covered |
T118,T223,T224 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T16,T18,T19 |
EndPointClear->Disabled |
107 |
Covered |
T10,T21,T220 |
EndPointClear->Error |
99 |
Covered |
T16,T18,T19 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T23,T20,T51 |
Idle->Disabled |
107 |
Covered |
T23,T10,T17 |
Idle->Error |
99 |
Covered |
T4,T5,T33 |
Branch Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[3].u_edn_ack_sm_ep
| Line No. | Total | Covered | Percent |
Branches |
|
16 |
16 |
100.00 |
IF |
52 |
2 |
2 |
100.00 |
CASE |
60 |
11 |
11 |
100.00 |
IF |
98 |
3 |
3 |
100.00 |
52 `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled)
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
60 unique case (state_q)
-1-
61 Disabled: begin
62 if (enable_i) begin
-2-
63 state_d = EndPointClear;
==>
64 fifo_clr_o = 1'b1;
65 end
MISSING_ELSE
==>
66 end
67 EndPointClear: begin
68 state_d = Idle;
==>
69 end
70 Idle: begin
71 if (req_i) begin
-3-
72 if (fifo_not_empty_i) begin
-4-
73 fifo_pop_o = 1'b1;
==>
74 end
MISSING_ELSE
==>
75 state_d = DataWait;
76 end
MISSING_ELSE
==>
77 end
78 DataWait: begin
79 if (fifo_not_empty_i) begin
-5-
80 state_d = AckPls;
==>
81 end
MISSING_ELSE
==>
82 end
83 AckPls: begin
84 ack_o = 1'b1;
==>
85 state_d = Idle;
86 end
87 Error: begin
88 ack_sm_err_o = 1'b1;
==>
89 end
90 default: begin
91 ack_sm_err_o = 1'b1;
==>
Branches:
-1- | -2- | -3- | -4- | -5- | Status | Tests |
Disabled |
1 |
- |
- |
- |
Covered |
T1,T2,T3 |
Disabled |
0 |
- |
- |
- |
Covered |
T1,T2,T3 |
EndPointClear |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
Idle |
- |
1 |
1 |
- |
Covered |
T23,T20,T51 |
Idle |
- |
1 |
0 |
- |
Covered |
T23,T20,T51 |
Idle |
- |
0 |
- |
- |
Covered |
T1,T2,T3 |
DataWait |
- |
- |
- |
1 |
Covered |
T23,T20,T51 |
DataWait |
- |
- |
- |
0 |
Covered |
T23,T20,T51 |
AckPls |
- |
- |
- |
- |
Covered |
T23,T20,T51 |
Error |
- |
- |
- |
- |
Covered |
T4,T5,T33 |
default |
- |
- |
- |
- |
Covered |
T16,T18,T19 |
98 if (local_escalate_i) begin
-1-
99 state_d = Error;
==>
100 // Tie off outputs, except for ack_sm_err_o.
101 ack_o = 1'b0;
102 fifo_clr_o = 1'b0;
103 fifo_pop_o = 1'b0;
104 end else if (!enable_i && state_q inside {EndPointClear, Idle, DataWait, AckPls}) begin
-2-
105 // Only disable if state is legal and not Disabled or Error.
106 // Even when disabled, illegal states must result in a transition to Error.
107 state_d = Disabled;
==>
108 // Tie off all outputs, except for ack_sm_err_o.
109 ack_o = 1'b0;
110 fifo_pop_o = 1'b0;
111 fifo_clr_o = 1'b0;
112 end
MISSING_ELSE
==>
Branches:
-1- | -2- | Status | Tests |
1 |
- |
Covered |
T4,T5,T33 |
0 |
1 |
Covered |
T23,T10,T17 |
0 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[3].u_edn_ack_sm_ep
Assertion Details
AckSmErrorStStable_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
11489854 |
152492 |
0 |
0 |
T4 |
552 |
246 |
0 |
0 |
T5 |
2236 |
1151 |
0 |
0 |
T6 |
20548 |
0 |
0 |
0 |
T7 |
0 |
1118 |
0 |
0 |
T8 |
0 |
626 |
0 |
0 |
T9 |
0 |
1096 |
0 |
0 |
T10 |
2557 |
0 |
0 |
0 |
T11 |
3833 |
0 |
0 |
0 |
T16 |
0 |
8733 |
0 |
0 |
T17 |
2935 |
0 |
0 |
0 |
T18 |
0 |
9371 |
0 |
0 |
T24 |
1187 |
0 |
0 |
0 |
T25 |
914 |
0 |
0 |
0 |
T26 |
1783 |
0 |
0 |
0 |
T33 |
1483 |
618 |
0 |
0 |
T65 |
0 |
656 |
0 |
0 |
T71 |
0 |
1100 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
11489854 |
153539 |
0 |
0 |
T4 |
552 |
247 |
0 |
0 |
T5 |
2236 |
1152 |
0 |
0 |
T6 |
20548 |
0 |
0 |
0 |
T7 |
0 |
1119 |
0 |
0 |
T8 |
0 |
627 |
0 |
0 |
T9 |
0 |
1097 |
0 |
0 |
T10 |
2557 |
0 |
0 |
0 |
T11 |
3833 |
0 |
0 |
0 |
T16 |
0 |
8863 |
0 |
0 |
T17 |
2935 |
0 |
0 |
0 |
T18 |
0 |
9501 |
0 |
0 |
T24 |
1187 |
0 |
0 |
0 |
T25 |
914 |
0 |
0 |
0 |
T26 |
1783 |
0 |
0 |
0 |
T33 |
1483 |
619 |
0 |
0 |
T65 |
0 |
657 |
0 |
0 |
T71 |
0 |
1101 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
11489854 |
11310599 |
0 |
0 |
T1 |
1123 |
1045 |
0 |
0 |
T2 |
1591 |
1513 |
0 |
0 |
T3 |
2549 |
2461 |
0 |
0 |
T4 |
552 |
355 |
0 |
0 |
T5 |
2236 |
2088 |
0 |
0 |
T10 |
2557 |
2488 |
0 |
0 |
T17 |
2935 |
2865 |
0 |
0 |
T23 |
980 |
920 |
0 |
0 |
T24 |
1187 |
1120 |
0 |
0 |
T25 |
914 |
850 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[5].u_edn_ack_sm_ep
| Line No. | Total | Covered | Percent |
TOTAL | | 32 | 32 | 100.00 |
ALWAYS | 52 | 3 | 3 | 100.00 |
ALWAYS | 55 | 29 | 29 | 100.00 |
51
52 3/3 `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled)
Tests: T1 T2 T3 | T1 T2 T3 | T1 T2 T3
PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled):
52.1 `ifdef SIMULATION
52.2 prim_sparse_fsm_flop #(
52.3 .StateEnumT(state_e),
52.4 .Width($bits(state_e)),
52.5 .ResetValue($bits(state_e)'(Disabled)),
52.6 .EnableAlertTriggerSVA(1),
52.7 .CustomForceName("state_q")
52.8 ) u_state_regs (
52.9 .clk_i ( clk_i ),
52.10 .rst_ni ( rst_ni ),
52.11 .state_i ( state_d ),
52.12 .state_o ( )
52.13 );
52.14 always_ff @(posedge clk_i or negedge rst_ni) begin
52.15 1/1 if (!rst_ni) begin
Tests: T1 T2 T3
52.16 1/1 state_q <= Disabled;
Tests: T1 T2 T3
52.17 end else begin
52.18 1/1 state_q <= state_d;
Tests: T1 T2 T3
52.19 end
52.20 end
52.21 u_state_regs_A: assert property (@(posedge clk_i) disable iff ((!rst_ni) !== '0) (state_q === u_state_regs.state_o))
52.22 else begin
52.23 `ifdef UVM
52.24 uvm_pkg::uvm_report_error("ASSERT FAILED", "u_state_regs_A", uvm_pkg::UVM_NONE,
52.25 "../src/lowrisc_ip_edn_0.1/rtl/edn_ack_sm.sv", 52, "", 1);
52.26 `else
52.27 $error("%0t: (%0s:%0d) [%m] [ASSERT FAILED] %0s", $time, `__FILE__, `__LINE__,
52.28 `PRIM_STRINGIFY(u_state_regs_A));
52.29 `endif
52.30 end
52.31 `else
52.32 prim_sparse_fsm_flop #(
52.33 .StateEnumT(state_e),
52.34 .Width($bits(state_e)),
52.35 .ResetValue($bits(state_e)'(Disabled)),
52.36 .EnableAlertTriggerSVA(1)
52.37 ) u_state_regs (
52.38 .clk_i ( `PRIM_FLOP_CLK ),
52.39 .rst_ni ( `PRIM_FLOP_RST ),
52.40 .state_i ( state_d ),
52.41 .state_o ( state_q )
52.42 );
52.43 `endif53
54 always_comb begin
55 1/1 state_d = state_q;
Tests: T1 T2 T3
56 1/1 ack_o = 1'b0;
Tests: T1 T2 T3
57 1/1 fifo_clr_o = 1'b0;
Tests: T1 T2 T3
58 1/1 fifo_pop_o = 1'b0;
Tests: T1 T2 T3
59 1/1 ack_sm_err_o = 1'b0;
Tests: T1 T2 T3
60 1/1 unique case (state_q)
Tests: T1 T2 T3
61 Disabled: begin
62 1/1 if (enable_i) begin
Tests: T1 T2 T3
63 1/1 state_d = EndPointClear;
Tests: T1 T2 T3
64 1/1 fifo_clr_o = 1'b1;
Tests: T1 T2 T3
65 end
MISSING_ELSE
66 end
67 EndPointClear: begin
68 1/1 state_d = Idle;
Tests: T1 T2 T3
69 end
70 Idle: begin
71 1/1 if (req_i) begin
Tests: T1 T2 T3
72 1/1 if (fifo_not_empty_i) begin
Tests: T21 T43 T13
73 1/1 fifo_pop_o = 1'b1;
Tests: T21 T43 T13
74 end
MISSING_ELSE
75 1/1 state_d = DataWait;
Tests: T21 T43 T13
76 end
MISSING_ELSE
77 end
78 DataWait: begin
79 1/1 if (fifo_not_empty_i) begin
Tests: T21 T43 T13
80 1/1 state_d = AckPls;
Tests: T21 T43 T13
81 end
MISSING_ELSE
82 end
83 AckPls: begin
84 1/1 ack_o = 1'b1;
Tests: T21 T43 T13
85 1/1 state_d = Idle;
Tests: T21 T43 T13
86 end
87 Error: begin
88 1/1 ack_sm_err_o = 1'b1;
Tests: T4 T5 T33
89 end
90 default: begin
91 ack_sm_err_o = 1'b1;
92 state_d = Error;
93 end
94 endcase // unique case (state_q)
95
96 // If local escalation is seen, transition directly to
97 // error state.
98 1/1 if (local_escalate_i) begin
Tests: T1 T2 T3
99 1/1 state_d = Error;
Tests: T4 T5 T33
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T4 T5 T33
102 1/1 fifo_clr_o = 1'b0;
Tests: T4 T5 T33
103 1/1 fifo_pop_o = 1'b0;
Tests: T4 T5 T33
104 1/1 end else if (!enable_i && state_q inside {EndPointClear, Idle, DataWait, AckPls}) begin
Tests: T1 T2 T3
105 // Only disable if state is legal and not Disabled or Error.
106 // Even when disabled, illegal states must result in a transition to Error.
107 1/1 state_d = Disabled;
Tests: T23 T10 T17
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T23 T10 T17
110 1/1 fifo_pop_o = 1'b0;
Tests: T23 T10 T17
111 1/1 fifo_clr_o = 1'b0;
Tests: T23 T10 T17
112 end
MISSING_ELSE
Cond Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[5].u_edn_ack_sm_ep
| Total | Covered | Percent |
Conditions | 3 | 3 | 100.00 |
Logical | 3 | 3 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 104
EXPRESSION (((!enable_i)) && (state_q inside {EndPointClear, Idle, DataWait, AckPls}))
------1------ ----------------------------2---------------------------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T1,T2,T3 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T23,T10,T17 |
FSM Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[5].u_edn_ack_sm_ep
Summary for FSM :: state_q
| Total | Covered | Percent | |
States |
6 |
6 |
100.00 |
(Not included in score) |
Transitions |
14 |
12 |
85.71 |
|
Sequences |
0 |
0 |
|
|
State, Transition and Sequence Details for FSM :: state_q
states | Line No. | Covered | Tests |
AckPls |
80 |
Covered |
T21,T43,T13 |
DataWait |
75 |
Covered |
T21,T43,T13 |
Disabled |
107 |
Covered |
T1,T2,T3 |
EndPointClear |
63 |
Covered |
T1,T2,T3 |
Error |
99 |
Covered |
T4,T5,T33 |
Idle |
68 |
Covered |
T1,T2,T3 |
transitions | Line No. | Covered | Tests |
AckPls->Disabled |
107 |
Not Covered |
|
AckPls->Error |
99 |
Not Covered |
|
AckPls->Idle |
85 |
Covered |
T21,T43,T13 |
DataWait->AckPls |
80 |
Covered |
T21,T43,T13 |
DataWait->Disabled |
107 |
Covered |
T58,T149,T225 |
DataWait->Error |
99 |
Covered |
T207,T226,T227 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T16,T18,T19 |
EndPointClear->Disabled |
107 |
Covered |
T10,T21,T220 |
EndPointClear->Error |
99 |
Covered |
T16,T18,T19 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T21,T43,T13 |
Idle->Disabled |
107 |
Covered |
T23,T10,T17 |
Idle->Error |
99 |
Covered |
T4,T5,T33 |
Branch Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[5].u_edn_ack_sm_ep
| Line No. | Total | Covered | Percent |
Branches |
|
16 |
16 |
100.00 |
IF |
52 |
2 |
2 |
100.00 |
CASE |
60 |
11 |
11 |
100.00 |
IF |
98 |
3 |
3 |
100.00 |
52 `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled)
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
60 unique case (state_q)
-1-
61 Disabled: begin
62 if (enable_i) begin
-2-
63 state_d = EndPointClear;
==>
64 fifo_clr_o = 1'b1;
65 end
MISSING_ELSE
==>
66 end
67 EndPointClear: begin
68 state_d = Idle;
==>
69 end
70 Idle: begin
71 if (req_i) begin
-3-
72 if (fifo_not_empty_i) begin
-4-
73 fifo_pop_o = 1'b1;
==>
74 end
MISSING_ELSE
==>
75 state_d = DataWait;
76 end
MISSING_ELSE
==>
77 end
78 DataWait: begin
79 if (fifo_not_empty_i) begin
-5-
80 state_d = AckPls;
==>
81 end
MISSING_ELSE
==>
82 end
83 AckPls: begin
84 ack_o = 1'b1;
==>
85 state_d = Idle;
86 end
87 Error: begin
88 ack_sm_err_o = 1'b1;
==>
89 end
90 default: begin
91 ack_sm_err_o = 1'b1;
==>
Branches:
-1- | -2- | -3- | -4- | -5- | Status | Tests |
Disabled |
1 |
- |
- |
- |
Covered |
T1,T2,T3 |
Disabled |
0 |
- |
- |
- |
Covered |
T1,T2,T3 |
EndPointClear |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
Idle |
- |
1 |
1 |
- |
Covered |
T21,T43,T13 |
Idle |
- |
1 |
0 |
- |
Covered |
T21,T43,T13 |
Idle |
- |
0 |
- |
- |
Covered |
T1,T2,T3 |
DataWait |
- |
- |
- |
1 |
Covered |
T21,T43,T13 |
DataWait |
- |
- |
- |
0 |
Covered |
T21,T43,T13 |
AckPls |
- |
- |
- |
- |
Covered |
T21,T43,T13 |
Error |
- |
- |
- |
- |
Covered |
T4,T5,T33 |
default |
- |
- |
- |
- |
Covered |
T16,T18,T19 |
98 if (local_escalate_i) begin
-1-
99 state_d = Error;
==>
100 // Tie off outputs, except for ack_sm_err_o.
101 ack_o = 1'b0;
102 fifo_clr_o = 1'b0;
103 fifo_pop_o = 1'b0;
104 end else if (!enable_i && state_q inside {EndPointClear, Idle, DataWait, AckPls}) begin
-2-
105 // Only disable if state is legal and not Disabled or Error.
106 // Even when disabled, illegal states must result in a transition to Error.
107 state_d = Disabled;
==>
108 // Tie off all outputs, except for ack_sm_err_o.
109 ack_o = 1'b0;
110 fifo_pop_o = 1'b0;
111 fifo_clr_o = 1'b0;
112 end
MISSING_ELSE
==>
Branches:
-1- | -2- | Status | Tests |
1 |
- |
Covered |
T4,T5,T33 |
0 |
1 |
Covered |
T23,T10,T17 |
0 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[5].u_edn_ack_sm_ep
Assertion Details
AckSmErrorStStable_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
11489854 |
152492 |
0 |
0 |
T4 |
552 |
246 |
0 |
0 |
T5 |
2236 |
1151 |
0 |
0 |
T6 |
20548 |
0 |
0 |
0 |
T7 |
0 |
1118 |
0 |
0 |
T8 |
0 |
626 |
0 |
0 |
T9 |
0 |
1096 |
0 |
0 |
T10 |
2557 |
0 |
0 |
0 |
T11 |
3833 |
0 |
0 |
0 |
T16 |
0 |
8733 |
0 |
0 |
T17 |
2935 |
0 |
0 |
0 |
T18 |
0 |
9371 |
0 |
0 |
T24 |
1187 |
0 |
0 |
0 |
T25 |
914 |
0 |
0 |
0 |
T26 |
1783 |
0 |
0 |
0 |
T33 |
1483 |
618 |
0 |
0 |
T65 |
0 |
656 |
0 |
0 |
T71 |
0 |
1100 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
11489854 |
153539 |
0 |
0 |
T4 |
552 |
247 |
0 |
0 |
T5 |
2236 |
1152 |
0 |
0 |
T6 |
20548 |
0 |
0 |
0 |
T7 |
0 |
1119 |
0 |
0 |
T8 |
0 |
627 |
0 |
0 |
T9 |
0 |
1097 |
0 |
0 |
T10 |
2557 |
0 |
0 |
0 |
T11 |
3833 |
0 |
0 |
0 |
T16 |
0 |
8863 |
0 |
0 |
T17 |
2935 |
0 |
0 |
0 |
T18 |
0 |
9501 |
0 |
0 |
T24 |
1187 |
0 |
0 |
0 |
T25 |
914 |
0 |
0 |
0 |
T26 |
1783 |
0 |
0 |
0 |
T33 |
1483 |
619 |
0 |
0 |
T65 |
0 |
657 |
0 |
0 |
T71 |
0 |
1101 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
11489854 |
11310599 |
0 |
0 |
T1 |
1123 |
1045 |
0 |
0 |
T2 |
1591 |
1513 |
0 |
0 |
T3 |
2549 |
2461 |
0 |
0 |
T4 |
552 |
355 |
0 |
0 |
T5 |
2236 |
2088 |
0 |
0 |
T10 |
2557 |
2488 |
0 |
0 |
T17 |
2935 |
2865 |
0 |
0 |
T23 |
980 |
920 |
0 |
0 |
T24 |
1187 |
1120 |
0 |
0 |
T25 |
914 |
850 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[6].u_edn_ack_sm_ep
| Line No. | Total | Covered | Percent |
TOTAL | | 32 | 32 | 100.00 |
ALWAYS | 52 | 3 | 3 | 100.00 |
ALWAYS | 55 | 29 | 29 | 100.00 |
51
52 3/3 `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled)
Tests: T1 T2 T3 | T1 T2 T3 | T1 T2 T3
PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled):
52.1 `ifdef SIMULATION
52.2 prim_sparse_fsm_flop #(
52.3 .StateEnumT(state_e),
52.4 .Width($bits(state_e)),
52.5 .ResetValue($bits(state_e)'(Disabled)),
52.6 .EnableAlertTriggerSVA(1),
52.7 .CustomForceName("state_q")
52.8 ) u_state_regs (
52.9 .clk_i ( clk_i ),
52.10 .rst_ni ( rst_ni ),
52.11 .state_i ( state_d ),
52.12 .state_o ( )
52.13 );
52.14 always_ff @(posedge clk_i or negedge rst_ni) begin
52.15 1/1 if (!rst_ni) begin
Tests: T1 T2 T3
52.16 1/1 state_q <= Disabled;
Tests: T1 T2 T3
52.17 end else begin
52.18 1/1 state_q <= state_d;
Tests: T1 T2 T3
52.19 end
52.20 end
52.21 u_state_regs_A: assert property (@(posedge clk_i) disable iff ((!rst_ni) !== '0) (state_q === u_state_regs.state_o))
52.22 else begin
52.23 `ifdef UVM
52.24 uvm_pkg::uvm_report_error("ASSERT FAILED", "u_state_regs_A", uvm_pkg::UVM_NONE,
52.25 "../src/lowrisc_ip_edn_0.1/rtl/edn_ack_sm.sv", 52, "", 1);
52.26 `else
52.27 $error("%0t: (%0s:%0d) [%m] [ASSERT FAILED] %0s", $time, `__FILE__, `__LINE__,
52.28 `PRIM_STRINGIFY(u_state_regs_A));
52.29 `endif
52.30 end
52.31 `else
52.32 prim_sparse_fsm_flop #(
52.33 .StateEnumT(state_e),
52.34 .Width($bits(state_e)),
52.35 .ResetValue($bits(state_e)'(Disabled)),
52.36 .EnableAlertTriggerSVA(1)
52.37 ) u_state_regs (
52.38 .clk_i ( `PRIM_FLOP_CLK ),
52.39 .rst_ni ( `PRIM_FLOP_RST ),
52.40 .state_i ( state_d ),
52.41 .state_o ( state_q )
52.42 );
52.43 `endif53
54 always_comb begin
55 1/1 state_d = state_q;
Tests: T1 T2 T3
56 1/1 ack_o = 1'b0;
Tests: T1 T2 T3
57 1/1 fifo_clr_o = 1'b0;
Tests: T1 T2 T3
58 1/1 fifo_pop_o = 1'b0;
Tests: T1 T2 T3
59 1/1 ack_sm_err_o = 1'b0;
Tests: T1 T2 T3
60 1/1 unique case (state_q)
Tests: T1 T2 T3
61 Disabled: begin
62 1/1 if (enable_i) begin
Tests: T1 T2 T3
63 1/1 state_d = EndPointClear;
Tests: T1 T2 T3
64 1/1 fifo_clr_o = 1'b1;
Tests: T1 T2 T3
65 end
MISSING_ELSE
66 end
67 EndPointClear: begin
68 1/1 state_d = Idle;
Tests: T1 T2 T3
69 end
70 Idle: begin
71 1/1 if (req_i) begin
Tests: T1 T2 T3
72 1/1 if (fifo_not_empty_i) begin
Tests: T20 T41 T59
73 1/1 fifo_pop_o = 1'b1;
Tests: T20 T41 T59
74 end
MISSING_ELSE
75 1/1 state_d = DataWait;
Tests: T20 T41 T59
76 end
MISSING_ELSE
77 end
78 DataWait: begin
79 1/1 if (fifo_not_empty_i) begin
Tests: T20 T41 T59
80 1/1 state_d = AckPls;
Tests: T20 T41 T59
81 end
MISSING_ELSE
82 end
83 AckPls: begin
84 1/1 ack_o = 1'b1;
Tests: T20 T41 T59
85 1/1 state_d = Idle;
Tests: T20 T41 T59
86 end
87 Error: begin
88 1/1 ack_sm_err_o = 1'b1;
Tests: T4 T5 T33
89 end
90 default: begin
91 ack_sm_err_o = 1'b1;
92 state_d = Error;
93 end
94 endcase // unique case (state_q)
95
96 // If local escalation is seen, transition directly to
97 // error state.
98 1/1 if (local_escalate_i) begin
Tests: T1 T2 T3
99 1/1 state_d = Error;
Tests: T4 T5 T33
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T4 T5 T33
102 1/1 fifo_clr_o = 1'b0;
Tests: T4 T5 T33
103 1/1 fifo_pop_o = 1'b0;
Tests: T4 T5 T33
104 1/1 end else if (!enable_i && state_q inside {EndPointClear, Idle, DataWait, AckPls}) begin
Tests: T1 T2 T3
105 // Only disable if state is legal and not Disabled or Error.
106 // Even when disabled, illegal states must result in a transition to Error.
107 1/1 state_d = Disabled;
Tests: T23 T10 T17
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T23 T10 T17
110 1/1 fifo_pop_o = 1'b0;
Tests: T23 T10 T17
111 1/1 fifo_clr_o = 1'b0;
Tests: T23 T10 T17
112 end
MISSING_ELSE
Cond Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[6].u_edn_ack_sm_ep
| Total | Covered | Percent |
Conditions | 3 | 3 | 100.00 |
Logical | 3 | 3 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 104
EXPRESSION (((!enable_i)) && (state_q inside {EndPointClear, Idle, DataWait, AckPls}))
------1------ ----------------------------2---------------------------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T1,T2,T3 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T23,T10,T17 |
FSM Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[6].u_edn_ack_sm_ep
Summary for FSM :: state_q
| Total | Covered | Percent | |
States |
6 |
6 |
100.00 |
(Not included in score) |
Transitions |
14 |
12 |
85.71 |
|
Sequences |
0 |
0 |
|
|
State, Transition and Sequence Details for FSM :: state_q
states | Line No. | Covered | Tests |
AckPls |
80 |
Covered |
T20,T41,T59 |
DataWait |
75 |
Covered |
T20,T41,T59 |
Disabled |
107 |
Covered |
T1,T2,T3 |
EndPointClear |
63 |
Covered |
T1,T2,T3 |
Error |
99 |
Covered |
T4,T5,T33 |
Idle |
68 |
Covered |
T1,T2,T3 |
transitions | Line No. | Covered | Tests |
AckPls->Disabled |
107 |
Not Covered |
|
AckPls->Error |
99 |
Not Covered |
|
AckPls->Idle |
85 |
Covered |
T20,T41,T59 |
DataWait->AckPls |
80 |
Covered |
T20,T41,T59 |
DataWait->Disabled |
107 |
Covered |
T59,T63,T112 |
DataWait->Error |
99 |
Covered |
T141,T228,T192 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T16,T18,T19 |
EndPointClear->Disabled |
107 |
Covered |
T10,T21,T220 |
EndPointClear->Error |
99 |
Covered |
T16,T18,T19 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T20,T41,T59 |
Idle->Disabled |
107 |
Covered |
T23,T10,T17 |
Idle->Error |
99 |
Covered |
T4,T5,T33 |
Branch Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[6].u_edn_ack_sm_ep
| Line No. | Total | Covered | Percent |
Branches |
|
16 |
16 |
100.00 |
IF |
52 |
2 |
2 |
100.00 |
CASE |
60 |
11 |
11 |
100.00 |
IF |
98 |
3 |
3 |
100.00 |
52 `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled)
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
60 unique case (state_q)
-1-
61 Disabled: begin
62 if (enable_i) begin
-2-
63 state_d = EndPointClear;
==>
64 fifo_clr_o = 1'b1;
65 end
MISSING_ELSE
==>
66 end
67 EndPointClear: begin
68 state_d = Idle;
==>
69 end
70 Idle: begin
71 if (req_i) begin
-3-
72 if (fifo_not_empty_i) begin
-4-
73 fifo_pop_o = 1'b1;
==>
74 end
MISSING_ELSE
==>
75 state_d = DataWait;
76 end
MISSING_ELSE
==>
77 end
78 DataWait: begin
79 if (fifo_not_empty_i) begin
-5-
80 state_d = AckPls;
==>
81 end
MISSING_ELSE
==>
82 end
83 AckPls: begin
84 ack_o = 1'b1;
==>
85 state_d = Idle;
86 end
87 Error: begin
88 ack_sm_err_o = 1'b1;
==>
89 end
90 default: begin
91 ack_sm_err_o = 1'b1;
==>
Branches:
-1- | -2- | -3- | -4- | -5- | Status | Tests |
Disabled |
1 |
- |
- |
- |
Covered |
T1,T2,T3 |
Disabled |
0 |
- |
- |
- |
Covered |
T1,T2,T3 |
EndPointClear |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
Idle |
- |
1 |
1 |
- |
Covered |
T20,T41,T59 |
Idle |
- |
1 |
0 |
- |
Covered |
T20,T41,T59 |
Idle |
- |
0 |
- |
- |
Covered |
T1,T2,T3 |
DataWait |
- |
- |
- |
1 |
Covered |
T20,T41,T59 |
DataWait |
- |
- |
- |
0 |
Covered |
T20,T41,T59 |
AckPls |
- |
- |
- |
- |
Covered |
T20,T41,T59 |
Error |
- |
- |
- |
- |
Covered |
T4,T5,T33 |
default |
- |
- |
- |
- |
Covered |
T16,T18,T19 |
98 if (local_escalate_i) begin
-1-
99 state_d = Error;
==>
100 // Tie off outputs, except for ack_sm_err_o.
101 ack_o = 1'b0;
102 fifo_clr_o = 1'b0;
103 fifo_pop_o = 1'b0;
104 end else if (!enable_i && state_q inside {EndPointClear, Idle, DataWait, AckPls}) begin
-2-
105 // Only disable if state is legal and not Disabled or Error.
106 // Even when disabled, illegal states must result in a transition to Error.
107 state_d = Disabled;
==>
108 // Tie off all outputs, except for ack_sm_err_o.
109 ack_o = 1'b0;
110 fifo_pop_o = 1'b0;
111 fifo_clr_o = 1'b0;
112 end
MISSING_ELSE
==>
Branches:
-1- | -2- | Status | Tests |
1 |
- |
Covered |
T4,T5,T33 |
0 |
1 |
Covered |
T23,T10,T17 |
0 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[6].u_edn_ack_sm_ep
Assertion Details
AckSmErrorStStable_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
11489854 |
152492 |
0 |
0 |
T4 |
552 |
246 |
0 |
0 |
T5 |
2236 |
1151 |
0 |
0 |
T6 |
20548 |
0 |
0 |
0 |
T7 |
0 |
1118 |
0 |
0 |
T8 |
0 |
626 |
0 |
0 |
T9 |
0 |
1096 |
0 |
0 |
T10 |
2557 |
0 |
0 |
0 |
T11 |
3833 |
0 |
0 |
0 |
T16 |
0 |
8733 |
0 |
0 |
T17 |
2935 |
0 |
0 |
0 |
T18 |
0 |
9371 |
0 |
0 |
T24 |
1187 |
0 |
0 |
0 |
T25 |
914 |
0 |
0 |
0 |
T26 |
1783 |
0 |
0 |
0 |
T33 |
1483 |
618 |
0 |
0 |
T65 |
0 |
656 |
0 |
0 |
T71 |
0 |
1100 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
11489854 |
153539 |
0 |
0 |
T4 |
552 |
247 |
0 |
0 |
T5 |
2236 |
1152 |
0 |
0 |
T6 |
20548 |
0 |
0 |
0 |
T7 |
0 |
1119 |
0 |
0 |
T8 |
0 |
627 |
0 |
0 |
T9 |
0 |
1097 |
0 |
0 |
T10 |
2557 |
0 |
0 |
0 |
T11 |
3833 |
0 |
0 |
0 |
T16 |
0 |
8863 |
0 |
0 |
T17 |
2935 |
0 |
0 |
0 |
T18 |
0 |
9501 |
0 |
0 |
T24 |
1187 |
0 |
0 |
0 |
T25 |
914 |
0 |
0 |
0 |
T26 |
1783 |
0 |
0 |
0 |
T33 |
1483 |
619 |
0 |
0 |
T65 |
0 |
657 |
0 |
0 |
T71 |
0 |
1101 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
11489854 |
11310599 |
0 |
0 |
T1 |
1123 |
1045 |
0 |
0 |
T2 |
1591 |
1513 |
0 |
0 |
T3 |
2549 |
2461 |
0 |
0 |
T4 |
552 |
355 |
0 |
0 |
T5 |
2236 |
2088 |
0 |
0 |
T10 |
2557 |
2488 |
0 |
0 |
T17 |
2935 |
2865 |
0 |
0 |
T23 |
980 |
920 |
0 |
0 |
T24 |
1187 |
1120 |
0 |
0 |
T25 |
914 |
850 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[1].u_edn_ack_sm_ep
| Line No. | Total | Covered | Percent |
TOTAL | | 32 | 32 | 100.00 |
ALWAYS | 52 | 3 | 3 | 100.00 |
ALWAYS | 55 | 29 | 29 | 100.00 |
51
52 3/3 `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled)
Tests: T1 T2 T3 | T1 T2 T3 | T1 T2 T3
PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled):
52.1 `ifdef SIMULATION
52.2 prim_sparse_fsm_flop #(
52.3 .StateEnumT(state_e),
52.4 .Width($bits(state_e)),
52.5 .ResetValue($bits(state_e)'(Disabled)),
52.6 .EnableAlertTriggerSVA(1),
52.7 .CustomForceName("state_q")
52.8 ) u_state_regs (
52.9 .clk_i ( clk_i ),
52.10 .rst_ni ( rst_ni ),
52.11 .state_i ( state_d ),
52.12 .state_o ( )
52.13 );
52.14 always_ff @(posedge clk_i or negedge rst_ni) begin
52.15 1/1 if (!rst_ni) begin
Tests: T1 T2 T3
52.16 1/1 state_q <= Disabled;
Tests: T1 T2 T3
52.17 end else begin
52.18 1/1 state_q <= state_d;
Tests: T1 T2 T3
52.19 end
52.20 end
52.21 u_state_regs_A: assert property (@(posedge clk_i) disable iff ((!rst_ni) !== '0) (state_q === u_state_regs.state_o))
52.22 else begin
52.23 `ifdef UVM
52.24 uvm_pkg::uvm_report_error("ASSERT FAILED", "u_state_regs_A", uvm_pkg::UVM_NONE,
52.25 "../src/lowrisc_ip_edn_0.1/rtl/edn_ack_sm.sv", 52, "", 1);
52.26 `else
52.27 $error("%0t: (%0s:%0d) [%m] [ASSERT FAILED] %0s", $time, `__FILE__, `__LINE__,
52.28 `PRIM_STRINGIFY(u_state_regs_A));
52.29 `endif
52.30 end
52.31 `else
52.32 prim_sparse_fsm_flop #(
52.33 .StateEnumT(state_e),
52.34 .Width($bits(state_e)),
52.35 .ResetValue($bits(state_e)'(Disabled)),
52.36 .EnableAlertTriggerSVA(1)
52.37 ) u_state_regs (
52.38 .clk_i ( `PRIM_FLOP_CLK ),
52.39 .rst_ni ( `PRIM_FLOP_RST ),
52.40 .state_i ( state_d ),
52.41 .state_o ( state_q )
52.42 );
52.43 `endif53
54 always_comb begin
55 1/1 state_d = state_q;
Tests: T1 T2 T3
56 1/1 ack_o = 1'b0;
Tests: T1 T2 T3
57 1/1 fifo_clr_o = 1'b0;
Tests: T1 T2 T3
58 1/1 fifo_pop_o = 1'b0;
Tests: T1 T2 T3
59 1/1 ack_sm_err_o = 1'b0;
Tests: T1 T2 T3
60 1/1 unique case (state_q)
Tests: T1 T2 T3
61 Disabled: begin
62 1/1 if (enable_i) begin
Tests: T1 T2 T3
63 1/1 state_d = EndPointClear;
Tests: T1 T2 T3
64 1/1 fifo_clr_o = 1'b1;
Tests: T1 T2 T3
65 end
MISSING_ELSE
66 end
67 EndPointClear: begin
68 1/1 state_d = Idle;
Tests: T1 T2 T3
69 end
70 Idle: begin
71 1/1 if (req_i) begin
Tests: T1 T2 T3
72 1/1 if (fifo_not_empty_i) begin
Tests: T5 T33 T12
73 1/1 fifo_pop_o = 1'b1;
Tests: T5 T33 T12
74 end
MISSING_ELSE
75 1/1 state_d = DataWait;
Tests: T5 T33 T12
76 end
MISSING_ELSE
77 end
78 DataWait: begin
79 1/1 if (fifo_not_empty_i) begin
Tests: T5 T33 T12
80 1/1 state_d = AckPls;
Tests: T5 T33 T12
81 end
MISSING_ELSE
82 end
83 AckPls: begin
84 1/1 ack_o = 1'b1;
Tests: T5 T33 T12
85 1/1 state_d = Idle;
Tests: T5 T33 T12
86 end
87 Error: begin
88 1/1 ack_sm_err_o = 1'b1;
Tests: T4 T5 T33
89 end
90 default: begin
91 ack_sm_err_o = 1'b1;
92 state_d = Error;
93 end
94 endcase // unique case (state_q)
95
96 // If local escalation is seen, transition directly to
97 // error state.
98 1/1 if (local_escalate_i) begin
Tests: T1 T2 T3
99 1/1 state_d = Error;
Tests: T4 T5 T33
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T4 T5 T33
102 1/1 fifo_clr_o = 1'b0;
Tests: T4 T5 T33
103 1/1 fifo_pop_o = 1'b0;
Tests: T4 T5 T33
104 1/1 end else if (!enable_i && state_q inside {EndPointClear, Idle, DataWait, AckPls}) begin
Tests: T1 T2 T3
105 // Only disable if state is legal and not Disabled or Error.
106 // Even when disabled, illegal states must result in a transition to Error.
107 1/1 state_d = Disabled;
Tests: T23 T10 T17
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T23 T10 T17
110 1/1 fifo_pop_o = 1'b0;
Tests: T23 T10 T17
111 1/1 fifo_clr_o = 1'b0;
Tests: T23 T10 T17
112 end
MISSING_ELSE
Cond Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[1].u_edn_ack_sm_ep
| Total | Covered | Percent |
Conditions | 3 | 3 | 100.00 |
Logical | 3 | 3 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 104
EXPRESSION (((!enable_i)) && (state_q inside {EndPointClear, Idle, DataWait, AckPls}))
------1------ ----------------------------2---------------------------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T1,T2,T3 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T23,T10,T17 |
FSM Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[1].u_edn_ack_sm_ep
Summary for FSM :: state_q
| Total | Covered | Percent | |
States |
6 |
6 |
100.00 |
(Not included in score) |
Transitions |
14 |
13 |
92.86 |
|
Sequences |
0 |
0 |
|
|
State, Transition and Sequence Details for FSM :: state_q
states | Line No. | Covered | Tests |
AckPls |
80 |
Covered |
T5,T33,T12 |
DataWait |
75 |
Covered |
T5,T33,T12 |
Disabled |
107 |
Covered |
T1,T2,T3 |
EndPointClear |
63 |
Covered |
T1,T2,T3 |
Error |
99 |
Covered |
T4,T5,T33 |
Idle |
68 |
Covered |
T1,T2,T3 |
transitions | Line No. | Covered | Tests |
AckPls->Disabled |
107 |
Covered |
T218 |
AckPls->Error |
99 |
Not Covered |
|
AckPls->Idle |
85 |
Covered |
T5,T33,T12 |
DataWait->AckPls |
80 |
Covered |
T5,T33,T12 |
DataWait->Disabled |
107 |
Covered |
T80,T82,T147 |
DataWait->Error |
99 |
Covered |
T229,T181,T230 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T16,T18,T19 |
EndPointClear->Disabled |
107 |
Covered |
T10,T21,T220 |
EndPointClear->Error |
99 |
Covered |
T16,T18,T19 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T5,T33,T12 |
Idle->Disabled |
107 |
Covered |
T23,T10,T17 |
Idle->Error |
99 |
Covered |
T4,T5,T33 |
Branch Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[1].u_edn_ack_sm_ep
| Line No. | Total | Covered | Percent |
Branches |
|
16 |
16 |
100.00 |
IF |
52 |
2 |
2 |
100.00 |
CASE |
60 |
11 |
11 |
100.00 |
IF |
98 |
3 |
3 |
100.00 |
52 `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled)
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
60 unique case (state_q)
-1-
61 Disabled: begin
62 if (enable_i) begin
-2-
63 state_d = EndPointClear;
==>
64 fifo_clr_o = 1'b1;
65 end
MISSING_ELSE
==>
66 end
67 EndPointClear: begin
68 state_d = Idle;
==>
69 end
70 Idle: begin
71 if (req_i) begin
-3-
72 if (fifo_not_empty_i) begin
-4-
73 fifo_pop_o = 1'b1;
==>
74 end
MISSING_ELSE
==>
75 state_d = DataWait;
76 end
MISSING_ELSE
==>
77 end
78 DataWait: begin
79 if (fifo_not_empty_i) begin
-5-
80 state_d = AckPls;
==>
81 end
MISSING_ELSE
==>
82 end
83 AckPls: begin
84 ack_o = 1'b1;
==>
85 state_d = Idle;
86 end
87 Error: begin
88 ack_sm_err_o = 1'b1;
==>
89 end
90 default: begin
91 ack_sm_err_o = 1'b1;
==>
Branches:
-1- | -2- | -3- | -4- | -5- | Status | Tests |
Disabled |
1 |
- |
- |
- |
Covered |
T1,T2,T3 |
Disabled |
0 |
- |
- |
- |
Covered |
T1,T2,T3 |
EndPointClear |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
Idle |
- |
1 |
1 |
- |
Covered |
T5,T33,T12 |
Idle |
- |
1 |
0 |
- |
Covered |
T5,T33,T12 |
Idle |
- |
0 |
- |
- |
Covered |
T1,T2,T3 |
DataWait |
- |
- |
- |
1 |
Covered |
T5,T33,T12 |
DataWait |
- |
- |
- |
0 |
Covered |
T42,T43,T78 |
AckPls |
- |
- |
- |
- |
Covered |
T5,T33,T12 |
Error |
- |
- |
- |
- |
Covered |
T4,T5,T33 |
default |
- |
- |
- |
- |
Covered |
T16,T18,T19 |
98 if (local_escalate_i) begin
-1-
99 state_d = Error;
==>
100 // Tie off outputs, except for ack_sm_err_o.
101 ack_o = 1'b0;
102 fifo_clr_o = 1'b0;
103 fifo_pop_o = 1'b0;
104 end else if (!enable_i && state_q inside {EndPointClear, Idle, DataWait, AckPls}) begin
-2-
105 // Only disable if state is legal and not Disabled or Error.
106 // Even when disabled, illegal states must result in a transition to Error.
107 state_d = Disabled;
==>
108 // Tie off all outputs, except for ack_sm_err_o.
109 ack_o = 1'b0;
110 fifo_pop_o = 1'b0;
111 fifo_clr_o = 1'b0;
112 end
MISSING_ELSE
==>
Branches:
-1- | -2- | Status | Tests |
1 |
- |
Covered |
T4,T5,T33 |
0 |
1 |
Covered |
T23,T10,T17 |
0 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[1].u_edn_ack_sm_ep
Assertion Details
AckSmErrorStStable_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
11489854 |
152492 |
0 |
0 |
T4 |
552 |
246 |
0 |
0 |
T5 |
2236 |
1151 |
0 |
0 |
T6 |
20548 |
0 |
0 |
0 |
T7 |
0 |
1118 |
0 |
0 |
T8 |
0 |
626 |
0 |
0 |
T9 |
0 |
1096 |
0 |
0 |
T10 |
2557 |
0 |
0 |
0 |
T11 |
3833 |
0 |
0 |
0 |
T16 |
0 |
8733 |
0 |
0 |
T17 |
2935 |
0 |
0 |
0 |
T18 |
0 |
9371 |
0 |
0 |
T24 |
1187 |
0 |
0 |
0 |
T25 |
914 |
0 |
0 |
0 |
T26 |
1783 |
0 |
0 |
0 |
T33 |
1483 |
618 |
0 |
0 |
T65 |
0 |
656 |
0 |
0 |
T71 |
0 |
1100 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
11489854 |
153539 |
0 |
0 |
T4 |
552 |
247 |
0 |
0 |
T5 |
2236 |
1152 |
0 |
0 |
T6 |
20548 |
0 |
0 |
0 |
T7 |
0 |
1119 |
0 |
0 |
T8 |
0 |
627 |
0 |
0 |
T9 |
0 |
1097 |
0 |
0 |
T10 |
2557 |
0 |
0 |
0 |
T11 |
3833 |
0 |
0 |
0 |
T16 |
0 |
8863 |
0 |
0 |
T17 |
2935 |
0 |
0 |
0 |
T18 |
0 |
9501 |
0 |
0 |
T24 |
1187 |
0 |
0 |
0 |
T25 |
914 |
0 |
0 |
0 |
T26 |
1783 |
0 |
0 |
0 |
T33 |
1483 |
619 |
0 |
0 |
T65 |
0 |
657 |
0 |
0 |
T71 |
0 |
1101 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
11489854 |
11310599 |
0 |
0 |
T1 |
1123 |
1045 |
0 |
0 |
T2 |
1591 |
1513 |
0 |
0 |
T3 |
2549 |
2461 |
0 |
0 |
T4 |
552 |
355 |
0 |
0 |
T5 |
2236 |
2088 |
0 |
0 |
T10 |
2557 |
2488 |
0 |
0 |
T17 |
2935 |
2865 |
0 |
0 |
T23 |
980 |
920 |
0 |
0 |
T24 |
1187 |
1120 |
0 |
0 |
T25 |
914 |
850 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[4].u_edn_ack_sm_ep
| Line No. | Total | Covered | Percent |
TOTAL | | 32 | 32 | 100.00 |
ALWAYS | 52 | 3 | 3 | 100.00 |
ALWAYS | 55 | 29 | 29 | 100.00 |
51
52 3/3 `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled)
Tests: T1 T2 T3 | T1 T2 T3 | T1 T2 T3
PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled):
52.1 `ifdef SIMULATION
52.2 prim_sparse_fsm_flop #(
52.3 .StateEnumT(state_e),
52.4 .Width($bits(state_e)),
52.5 .ResetValue($bits(state_e)'(Disabled)),
52.6 .EnableAlertTriggerSVA(1),
52.7 .CustomForceName("state_q")
52.8 ) u_state_regs (
52.9 .clk_i ( clk_i ),
52.10 .rst_ni ( rst_ni ),
52.11 .state_i ( state_d ),
52.12 .state_o ( )
52.13 );
52.14 always_ff @(posedge clk_i or negedge rst_ni) begin
52.15 1/1 if (!rst_ni) begin
Tests: T1 T2 T3
52.16 1/1 state_q <= Disabled;
Tests: T1 T2 T3
52.17 end else begin
52.18 1/1 state_q <= state_d;
Tests: T1 T2 T3
52.19 end
52.20 end
52.21 u_state_regs_A: assert property (@(posedge clk_i) disable iff ((!rst_ni) !== '0) (state_q === u_state_regs.state_o))
52.22 else begin
52.23 `ifdef UVM
52.24 uvm_pkg::uvm_report_error("ASSERT FAILED", "u_state_regs_A", uvm_pkg::UVM_NONE,
52.25 "../src/lowrisc_ip_edn_0.1/rtl/edn_ack_sm.sv", 52, "", 1);
52.26 `else
52.27 $error("%0t: (%0s:%0d) [%m] [ASSERT FAILED] %0s", $time, `__FILE__, `__LINE__,
52.28 `PRIM_STRINGIFY(u_state_regs_A));
52.29 `endif
52.30 end
52.31 `else
52.32 prim_sparse_fsm_flop #(
52.33 .StateEnumT(state_e),
52.34 .Width($bits(state_e)),
52.35 .ResetValue($bits(state_e)'(Disabled)),
52.36 .EnableAlertTriggerSVA(1)
52.37 ) u_state_regs (
52.38 .clk_i ( `PRIM_FLOP_CLK ),
52.39 .rst_ni ( `PRIM_FLOP_RST ),
52.40 .state_i ( state_d ),
52.41 .state_o ( state_q )
52.42 );
52.43 `endif53
54 always_comb begin
55 1/1 state_d = state_q;
Tests: T1 T2 T3
56 1/1 ack_o = 1'b0;
Tests: T1 T2 T3
57 1/1 fifo_clr_o = 1'b0;
Tests: T1 T2 T3
58 1/1 fifo_pop_o = 1'b0;
Tests: T1 T2 T3
59 1/1 ack_sm_err_o = 1'b0;
Tests: T1 T2 T3
60 1/1 unique case (state_q)
Tests: T1 T2 T3
61 Disabled: begin
62 1/1 if (enable_i) begin
Tests: T1 T2 T3
63 1/1 state_d = EndPointClear;
Tests: T1 T2 T3
64 1/1 fifo_clr_o = 1'b1;
Tests: T1 T2 T3
65 end
MISSING_ELSE
66 end
67 EndPointClear: begin
68 1/1 state_d = Idle;
Tests: T1 T2 T3
69 end
70 Idle: begin
71 1/1 if (req_i) begin
Tests: T1 T2 T3
72 1/1 if (fifo_not_empty_i) begin
Tests: T28 T7 T29
73 1/1 fifo_pop_o = 1'b1;
Tests: T28 T7 T29
74 end
MISSING_ELSE
75 1/1 state_d = DataWait;
Tests: T28 T7 T29
76 end
MISSING_ELSE
77 end
78 DataWait: begin
79 1/1 if (fifo_not_empty_i) begin
Tests: T28 T7 T29
80 1/1 state_d = AckPls;
Tests: T28 T7 T29
81 end
MISSING_ELSE
82 end
83 AckPls: begin
84 1/1 ack_o = 1'b1;
Tests: T28 T7 T29
85 1/1 state_d = Idle;
Tests: T28 T7 T29
86 end
87 Error: begin
88 1/1 ack_sm_err_o = 1'b1;
Tests: T4 T5 T33
89 end
90 default: begin
91 ack_sm_err_o = 1'b1;
92 state_d = Error;
93 end
94 endcase // unique case (state_q)
95
96 // If local escalation is seen, transition directly to
97 // error state.
98 1/1 if (local_escalate_i) begin
Tests: T1 T2 T3
99 1/1 state_d = Error;
Tests: T4 T5 T33
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T4 T5 T33
102 1/1 fifo_clr_o = 1'b0;
Tests: T4 T5 T33
103 1/1 fifo_pop_o = 1'b0;
Tests: T4 T5 T33
104 1/1 end else if (!enable_i && state_q inside {EndPointClear, Idle, DataWait, AckPls}) begin
Tests: T1 T2 T3
105 // Only disable if state is legal and not Disabled or Error.
106 // Even when disabled, illegal states must result in a transition to Error.
107 1/1 state_d = Disabled;
Tests: T23 T10 T17
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T23 T10 T17
110 1/1 fifo_pop_o = 1'b0;
Tests: T23 T10 T17
111 1/1 fifo_clr_o = 1'b0;
Tests: T23 T10 T17
112 end
MISSING_ELSE
Cond Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[4].u_edn_ack_sm_ep
| Total | Covered | Percent |
Conditions | 3 | 3 | 100.00 |
Logical | 3 | 3 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 104
EXPRESSION (((!enable_i)) && (state_q inside {EndPointClear, Idle, DataWait, AckPls}))
------1------ ----------------------------2---------------------------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T1,T2,T3 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T23,T10,T17 |
FSM Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[4].u_edn_ack_sm_ep
Summary for FSM :: state_q
| Total | Covered | Percent | |
States |
6 |
6 |
100.00 |
(Not included in score) |
Transitions |
14 |
13 |
92.86 |
|
Sequences |
0 |
0 |
|
|
State, Transition and Sequence Details for FSM :: state_q
states | Line No. | Covered | Tests |
AckPls |
80 |
Covered |
T28,T7,T29 |
DataWait |
75 |
Covered |
T28,T7,T29 |
Disabled |
107 |
Covered |
T1,T2,T3 |
EndPointClear |
63 |
Covered |
T1,T2,T3 |
Error |
99 |
Covered |
T4,T5,T33 |
Idle |
68 |
Covered |
T1,T2,T3 |
transitions | Line No. | Covered | Tests |
AckPls->Disabled |
107 |
Covered |
T29 |
AckPls->Error |
99 |
Not Covered |
|
AckPls->Idle |
85 |
Covered |
T28,T7,T29 |
DataWait->AckPls |
80 |
Covered |
T28,T7,T29 |
DataWait->Disabled |
107 |
Covered |
T28,T93,T148 |
DataWait->Error |
99 |
Covered |
T231,T171,T158 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T16,T18,T19 |
EndPointClear->Disabled |
107 |
Covered |
T10,T21,T220 |
EndPointClear->Error |
99 |
Covered |
T16,T18,T19 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T28,T7,T29 |
Idle->Disabled |
107 |
Covered |
T23,T10,T17 |
Idle->Error |
99 |
Covered |
T4,T5,T33 |
Branch Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[4].u_edn_ack_sm_ep
| Line No. | Total | Covered | Percent |
Branches |
|
16 |
16 |
100.00 |
IF |
52 |
2 |
2 |
100.00 |
CASE |
60 |
11 |
11 |
100.00 |
IF |
98 |
3 |
3 |
100.00 |
52 `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled)
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
60 unique case (state_q)
-1-
61 Disabled: begin
62 if (enable_i) begin
-2-
63 state_d = EndPointClear;
==>
64 fifo_clr_o = 1'b1;
65 end
MISSING_ELSE
==>
66 end
67 EndPointClear: begin
68 state_d = Idle;
==>
69 end
70 Idle: begin
71 if (req_i) begin
-3-
72 if (fifo_not_empty_i) begin
-4-
73 fifo_pop_o = 1'b1;
==>
74 end
MISSING_ELSE
==>
75 state_d = DataWait;
76 end
MISSING_ELSE
==>
77 end
78 DataWait: begin
79 if (fifo_not_empty_i) begin
-5-
80 state_d = AckPls;
==>
81 end
MISSING_ELSE
==>
82 end
83 AckPls: begin
84 ack_o = 1'b1;
==>
85 state_d = Idle;
86 end
87 Error: begin
88 ack_sm_err_o = 1'b1;
==>
89 end
90 default: begin
91 ack_sm_err_o = 1'b1;
==>
Branches:
-1- | -2- | -3- | -4- | -5- | Status | Tests |
Disabled |
1 |
- |
- |
- |
Covered |
T1,T2,T3 |
Disabled |
0 |
- |
- |
- |
Covered |
T1,T2,T3 |
EndPointClear |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
Idle |
- |
1 |
1 |
- |
Covered |
T28,T7,T29 |
Idle |
- |
1 |
0 |
- |
Covered |
T28,T7,T29 |
Idle |
- |
0 |
- |
- |
Covered |
T1,T2,T3 |
DataWait |
- |
- |
- |
1 |
Covered |
T28,T7,T29 |
DataWait |
- |
- |
- |
0 |
Covered |
T28,T7,T29 |
AckPls |
- |
- |
- |
- |
Covered |
T28,T7,T29 |
Error |
- |
- |
- |
- |
Covered |
T4,T5,T33 |
default |
- |
- |
- |
- |
Covered |
T16,T18,T19 |
98 if (local_escalate_i) begin
-1-
99 state_d = Error;
==>
100 // Tie off outputs, except for ack_sm_err_o.
101 ack_o = 1'b0;
102 fifo_clr_o = 1'b0;
103 fifo_pop_o = 1'b0;
104 end else if (!enable_i && state_q inside {EndPointClear, Idle, DataWait, AckPls}) begin
-2-
105 // Only disable if state is legal and not Disabled or Error.
106 // Even when disabled, illegal states must result in a transition to Error.
107 state_d = Disabled;
==>
108 // Tie off all outputs, except for ack_sm_err_o.
109 ack_o = 1'b0;
110 fifo_pop_o = 1'b0;
111 fifo_clr_o = 1'b0;
112 end
MISSING_ELSE
==>
Branches:
-1- | -2- | Status | Tests |
1 |
- |
Covered |
T4,T5,T33 |
0 |
1 |
Covered |
T23,T10,T17 |
0 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[4].u_edn_ack_sm_ep
Assertion Details
AckSmErrorStStable_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
11489854 |
152492 |
0 |
0 |
T4 |
552 |
246 |
0 |
0 |
T5 |
2236 |
1151 |
0 |
0 |
T6 |
20548 |
0 |
0 |
0 |
T7 |
0 |
1118 |
0 |
0 |
T8 |
0 |
626 |
0 |
0 |
T9 |
0 |
1096 |
0 |
0 |
T10 |
2557 |
0 |
0 |
0 |
T11 |
3833 |
0 |
0 |
0 |
T16 |
0 |
8733 |
0 |
0 |
T17 |
2935 |
0 |
0 |
0 |
T18 |
0 |
9371 |
0 |
0 |
T24 |
1187 |
0 |
0 |
0 |
T25 |
914 |
0 |
0 |
0 |
T26 |
1783 |
0 |
0 |
0 |
T33 |
1483 |
618 |
0 |
0 |
T65 |
0 |
656 |
0 |
0 |
T71 |
0 |
1100 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
11489854 |
153539 |
0 |
0 |
T4 |
552 |
247 |
0 |
0 |
T5 |
2236 |
1152 |
0 |
0 |
T6 |
20548 |
0 |
0 |
0 |
T7 |
0 |
1119 |
0 |
0 |
T8 |
0 |
627 |
0 |
0 |
T9 |
0 |
1097 |
0 |
0 |
T10 |
2557 |
0 |
0 |
0 |
T11 |
3833 |
0 |
0 |
0 |
T16 |
0 |
8863 |
0 |
0 |
T17 |
2935 |
0 |
0 |
0 |
T18 |
0 |
9501 |
0 |
0 |
T24 |
1187 |
0 |
0 |
0 |
T25 |
914 |
0 |
0 |
0 |
T26 |
1783 |
0 |
0 |
0 |
T33 |
1483 |
619 |
0 |
0 |
T65 |
0 |
657 |
0 |
0 |
T71 |
0 |
1101 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
11489854 |
11310599 |
0 |
0 |
T1 |
1123 |
1045 |
0 |
0 |
T2 |
1591 |
1513 |
0 |
0 |
T3 |
2549 |
2461 |
0 |
0 |
T4 |
552 |
355 |
0 |
0 |
T5 |
2236 |
2088 |
0 |
0 |
T10 |
2557 |
2488 |
0 |
0 |
T17 |
2935 |
2865 |
0 |
0 |
T23 |
980 |
920 |
0 |
0 |
T24 |
1187 |
1120 |
0 |
0 |
T25 |
914 |
850 |
0 |
0 |