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: T6 T16 T7
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: T6 T16 T7
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T6 T16 T7
102 1/1 fifo_clr_o = 1'b0;
Tests: T6 T16 T7
103 1/1 fifo_pop_o = 1'b0;
Tests: T6 T16 T7
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: T5 T26 T6
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T5 T26 T6
110 1/1 fifo_pop_o = 1'b0;
Tests: T5 T26 T6
111 1/1 fifo_clr_o = 1'b0;
Tests: T5 T26 T6
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 | T5,T26,T6 |
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 |
T6,T16,T7 |
Idle |
68 |
Covered |
T1,T2,T3 |
transitions | Line No. | Covered | Tests |
AckPls->Disabled |
107 |
Covered |
T92,T206,T207 |
AckPls->Error |
99 |
Not Covered |
|
AckPls->Idle |
85 |
Covered |
T1,T2,T3 |
DataWait->AckPls |
80 |
Covered |
T1,T2,T3 |
DataWait->Disabled |
107 |
Covered |
T29,T50,T44 |
DataWait->Error |
99 |
Covered |
T8,T63,T125 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T15,T17,T18 |
EndPointClear->Disabled |
107 |
Covered |
T61,T65,T22 |
EndPointClear->Error |
99 |
Covered |
T15,T17,T123 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T1,T2,T3 |
Idle->Disabled |
107 |
Covered |
T4,T5,T26 |
Idle->Error |
99 |
Covered |
T6,T16,T7 |
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 |
T6,T16,T7 |
default |
- |
- |
- |
- |
Covered |
T16,T7,T8 |
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 |
T6,T16,T7 |
0 |
1 |
Covered |
T5,T26,T6 |
0 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Module :
edn_ack_sm
Assertion Details
AckSmErrorStStable_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
82689537 |
995486 |
0 |
0 |
T6 |
15848 |
7784 |
0 |
0 |
T7 |
7686 |
1539 |
0 |
0 |
T8 |
0 |
2680 |
0 |
0 |
T9 |
15806 |
0 |
0 |
0 |
T10 |
25235 |
0 |
0 |
0 |
T14 |
0 |
1456 |
0 |
0 |
T15 |
0 |
63343 |
0 |
0 |
T16 |
12362 |
7440 |
0 |
0 |
T17 |
0 |
105245 |
0 |
0 |
T19 |
5208 |
0 |
0 |
0 |
T27 |
7434 |
0 |
0 |
0 |
T29 |
5187 |
0 |
0 |
0 |
T30 |
17437 |
0 |
0 |
0 |
T63 |
0 |
4403 |
0 |
0 |
T70 |
10451 |
0 |
0 |
0 |
T111 |
0 |
4136 |
0 |
0 |
T123 |
0 |
7720 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
82689537 |
1002738 |
0 |
0 |
T6 |
15848 |
7791 |
0 |
0 |
T7 |
7686 |
1546 |
0 |
0 |
T8 |
0 |
2687 |
0 |
0 |
T9 |
15806 |
0 |
0 |
0 |
T10 |
25235 |
0 |
0 |
0 |
T14 |
0 |
1463 |
0 |
0 |
T15 |
0 |
64253 |
0 |
0 |
T16 |
12362 |
7447 |
0 |
0 |
T17 |
0 |
107065 |
0 |
0 |
T19 |
5208 |
0 |
0 |
0 |
T27 |
7434 |
0 |
0 |
0 |
T29 |
5187 |
0 |
0 |
0 |
T30 |
17437 |
0 |
0 |
0 |
T63 |
0 |
4410 |
0 |
0 |
T70 |
10451 |
0 |
0 |
0 |
T111 |
0 |
4143 |
0 |
0 |
T123 |
0 |
7727 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
82654095 |
81409523 |
0 |
0 |
T1 |
11263 |
10654 |
0 |
0 |
T2 |
7245 |
6762 |
0 |
0 |
T3 |
21042 |
20384 |
0 |
0 |
T4 |
42735 |
41286 |
0 |
0 |
T5 |
9098 |
7887 |
0 |
0 |
T6 |
15567 |
14398 |
0 |
0 |
T9 |
15806 |
15204 |
0 |
0 |
T16 |
12241 |
11135 |
0 |
0 |
T25 |
8057 |
7483 |
0 |
0 |
T26 |
7399 |
6741 |
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: T6 T16 T7
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: T6 T16 T7
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T6 T16 T7
102 1/1 fifo_clr_o = 1'b0;
Tests: T6 T16 T7
103 1/1 fifo_pop_o = 1'b0;
Tests: T6 T16 T7
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: T5 T26 T6
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T5 T26 T6
110 1/1 fifo_pop_o = 1'b0;
Tests: T5 T26 T6
111 1/1 fifo_clr_o = 1'b0;
Tests: T5 T26 T6
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 | T5,T26,T6 |
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 |
T6,T16,T7 |
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 |
T37,T208,T39 |
DataWait->Error |
99 |
Covered |
T63,T125,T69 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T15,T17,T18 |
EndPointClear->Disabled |
107 |
Covered |
T61,T65,T22 |
EndPointClear->Error |
99 |
Covered |
T15,T17,T18 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T1,T2,T3 |
Idle->Disabled |
107 |
Covered |
T4,T5,T26 |
Idle->Error |
99 |
Covered |
T6,T14,T15 |
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 |
T6,T16,T7 |
default |
- |
- |
- |
- |
Covered |
T16,T7,T8 |
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 |
T6,T16,T7 |
0 |
1 |
Covered |
T5,T26,T6 |
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 |
11812791 |
140198 |
0 |
0 |
T6 |
2264 |
1112 |
0 |
0 |
T7 |
1098 |
177 |
0 |
0 |
T8 |
0 |
340 |
0 |
0 |
T9 |
2258 |
0 |
0 |
0 |
T10 |
3605 |
0 |
0 |
0 |
T14 |
0 |
208 |
0 |
0 |
T15 |
0 |
9049 |
0 |
0 |
T16 |
1766 |
1020 |
0 |
0 |
T17 |
0 |
15035 |
0 |
0 |
T19 |
744 |
0 |
0 |
0 |
T27 |
1062 |
0 |
0 |
0 |
T29 |
741 |
0 |
0 |
0 |
T30 |
2491 |
0 |
0 |
0 |
T63 |
0 |
629 |
0 |
0 |
T70 |
1493 |
0 |
0 |
0 |
T111 |
0 |
548 |
0 |
0 |
T123 |
0 |
1060 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
11812791 |
141234 |
0 |
0 |
T6 |
2264 |
1113 |
0 |
0 |
T7 |
1098 |
178 |
0 |
0 |
T8 |
0 |
341 |
0 |
0 |
T9 |
2258 |
0 |
0 |
0 |
T10 |
3605 |
0 |
0 |
0 |
T14 |
0 |
209 |
0 |
0 |
T15 |
0 |
9179 |
0 |
0 |
T16 |
1766 |
1021 |
0 |
0 |
T17 |
0 |
15295 |
0 |
0 |
T19 |
744 |
0 |
0 |
0 |
T27 |
1062 |
0 |
0 |
0 |
T29 |
741 |
0 |
0 |
0 |
T30 |
2491 |
0 |
0 |
0 |
T63 |
0 |
630 |
0 |
0 |
T70 |
1493 |
0 |
0 |
0 |
T111 |
0 |
549 |
0 |
0 |
T123 |
0 |
1061 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
11777349 |
11599553 |
0 |
0 |
T1 |
1609 |
1522 |
0 |
0 |
T2 |
1035 |
966 |
0 |
0 |
T3 |
3006 |
2912 |
0 |
0 |
T4 |
6105 |
5898 |
0 |
0 |
T5 |
1268 |
1095 |
0 |
0 |
T6 |
1983 |
1816 |
0 |
0 |
T9 |
2258 |
2172 |
0 |
0 |
T16 |
1645 |
1487 |
0 |
0 |
T25 |
1151 |
1069 |
0 |
0 |
T26 |
1057 |
963 |
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: T9 T10 T29
73 1/1 fifo_pop_o = 1'b1;
Tests: T9 T10 T29
74 end
MISSING_ELSE
75 1/1 state_d = DataWait;
Tests: T9 T10 T29
76 end
MISSING_ELSE
77 end
78 DataWait: begin
79 1/1 if (fifo_not_empty_i) begin
Tests: T9 T10 T29
80 1/1 state_d = AckPls;
Tests: T9 T10 T29
81 end
MISSING_ELSE
82 end
83 AckPls: begin
84 1/1 ack_o = 1'b1;
Tests: T9 T10 T29
85 1/1 state_d = Idle;
Tests: T9 T10 T29
86 end
87 Error: begin
88 1/1 ack_sm_err_o = 1'b1;
Tests: T6 T16 T7
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: T6 T16 T7
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T6 T16 T7
102 1/1 fifo_clr_o = 1'b0;
Tests: T6 T16 T7
103 1/1 fifo_pop_o = 1'b0;
Tests: T6 T16 T7
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: T5 T26 T6
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T5 T26 T6
110 1/1 fifo_pop_o = 1'b0;
Tests: T5 T26 T6
111 1/1 fifo_clr_o = 1'b0;
Tests: T5 T26 T6
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 | T5,T26,T6 |
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 |
12 |
85.71 |
|
Sequences |
0 |
0 |
|
|
State, Transition and Sequence Details for FSM :: state_q
states | Line No. | Covered | Tests |
AckPls |
80 |
Covered |
T9,T10,T29 |
DataWait |
75 |
Covered |
T9,T10,T29 |
Disabled |
107 |
Covered |
T1,T2,T3 |
EndPointClear |
63 |
Covered |
T1,T2,T3 |
Error |
99 |
Covered |
T6,T16,T7 |
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 |
T9,T10,T29 |
DataWait->AckPls |
80 |
Covered |
T9,T10,T29 |
DataWait->Disabled |
107 |
Covered |
T29,T49 |
DataWait->Error |
99 |
Covered |
T177,T209 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T15,T17,T18 |
EndPointClear->Disabled |
107 |
Covered |
T61,T65,T22 |
EndPointClear->Error |
99 |
Covered |
T15,T17,T123 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T9,T10,T29 |
Idle->Disabled |
107 |
Covered |
T4,T5,T26 |
Idle->Error |
99 |
Covered |
T6,T16,T7 |
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 |
T9,T10,T29 |
Idle |
- |
1 |
0 |
- |
Covered |
T9,T10,T29 |
Idle |
- |
0 |
- |
- |
Covered |
T1,T2,T3 |
DataWait |
- |
- |
- |
1 |
Covered |
T9,T10,T29 |
DataWait |
- |
- |
- |
0 |
Covered |
T9,T10,T29 |
AckPls |
- |
- |
- |
- |
Covered |
T9,T10,T29 |
Error |
- |
- |
- |
- |
Covered |
T6,T16,T7 |
default |
- |
- |
- |
- |
Covered |
T15,T17,T18 |
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 |
T6,T16,T7 |
0 |
1 |
Covered |
T5,T26,T6 |
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 |
11812791 |
142548 |
0 |
0 |
T6 |
2264 |
1112 |
0 |
0 |
T7 |
1098 |
227 |
0 |
0 |
T8 |
0 |
390 |
0 |
0 |
T9 |
2258 |
0 |
0 |
0 |
T10 |
3605 |
0 |
0 |
0 |
T14 |
0 |
208 |
0 |
0 |
T15 |
0 |
9049 |
0 |
0 |
T16 |
1766 |
1070 |
0 |
0 |
T17 |
0 |
15035 |
0 |
0 |
T19 |
744 |
0 |
0 |
0 |
T27 |
1062 |
0 |
0 |
0 |
T29 |
741 |
0 |
0 |
0 |
T30 |
2491 |
0 |
0 |
0 |
T63 |
0 |
629 |
0 |
0 |
T70 |
1493 |
0 |
0 |
0 |
T111 |
0 |
598 |
0 |
0 |
T123 |
0 |
1110 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
11812791 |
143584 |
0 |
0 |
T6 |
2264 |
1113 |
0 |
0 |
T7 |
1098 |
228 |
0 |
0 |
T8 |
0 |
391 |
0 |
0 |
T9 |
2258 |
0 |
0 |
0 |
T10 |
3605 |
0 |
0 |
0 |
T14 |
0 |
209 |
0 |
0 |
T15 |
0 |
9179 |
0 |
0 |
T16 |
1766 |
1071 |
0 |
0 |
T17 |
0 |
15295 |
0 |
0 |
T19 |
744 |
0 |
0 |
0 |
T27 |
1062 |
0 |
0 |
0 |
T29 |
741 |
0 |
0 |
0 |
T30 |
2491 |
0 |
0 |
0 |
T63 |
0 |
630 |
0 |
0 |
T70 |
1493 |
0 |
0 |
0 |
T111 |
0 |
599 |
0 |
0 |
T123 |
0 |
1111 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
11812791 |
11634995 |
0 |
0 |
T1 |
1609 |
1522 |
0 |
0 |
T2 |
1035 |
966 |
0 |
0 |
T3 |
3006 |
2912 |
0 |
0 |
T4 |
6105 |
5898 |
0 |
0 |
T5 |
1305 |
1132 |
0 |
0 |
T6 |
2264 |
2097 |
0 |
0 |
T9 |
2258 |
2172 |
0 |
0 |
T16 |
1766 |
1608 |
0 |
0 |
T25 |
1151 |
1069 |
0 |
0 |
T26 |
1057 |
963 |
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: T5 T43 T44
73 1/1 fifo_pop_o = 1'b1;
Tests: T5 T43 T44
74 end
MISSING_ELSE
75 1/1 state_d = DataWait;
Tests: T5 T43 T44
76 end
MISSING_ELSE
77 end
78 DataWait: begin
79 1/1 if (fifo_not_empty_i) begin
Tests: T5 T43 T44
80 1/1 state_d = AckPls;
Tests: T5 T43 T44
81 end
MISSING_ELSE
82 end
83 AckPls: begin
84 1/1 ack_o = 1'b1;
Tests: T5 T43 T44
85 1/1 state_d = Idle;
Tests: T5 T43 T44
86 end
87 Error: begin
88 1/1 ack_sm_err_o = 1'b1;
Tests: T6 T16 T7
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: T6 T16 T7
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T6 T16 T7
102 1/1 fifo_clr_o = 1'b0;
Tests: T6 T16 T7
103 1/1 fifo_pop_o = 1'b0;
Tests: T6 T16 T7
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: T5 T26 T6
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T5 T26 T6
110 1/1 fifo_pop_o = 1'b0;
Tests: T5 T26 T6
111 1/1 fifo_clr_o = 1'b0;
Tests: T5 T26 T6
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 | T5,T26,T6 |
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 |
T5,T43,T44 |
DataWait |
75 |
Covered |
T5,T43,T44 |
Disabled |
107 |
Covered |
T1,T2,T3 |
EndPointClear |
63 |
Covered |
T1,T2,T3 |
Error |
99 |
Covered |
T6,T16,T7 |
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 |
T5,T43,T44 |
DataWait->AckPls |
80 |
Covered |
T5,T43,T44 |
DataWait->Disabled |
107 |
Covered |
T44,T84,T86 |
DataWait->Error |
99 |
Covered |
T133,T210,T211 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T15,T17,T18 |
EndPointClear->Disabled |
107 |
Covered |
T61,T65,T22 |
EndPointClear->Error |
99 |
Covered |
T15,T17,T123 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T5,T43,T44 |
Idle->Disabled |
107 |
Covered |
T4,T5,T26 |
Idle->Error |
99 |
Covered |
T6,T16,T7 |
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 |
T5,T43,T44 |
Idle |
- |
1 |
0 |
- |
Covered |
T5,T43,T44 |
Idle |
- |
0 |
- |
- |
Covered |
T1,T2,T3 |
DataWait |
- |
- |
- |
1 |
Covered |
T5,T43,T44 |
DataWait |
- |
- |
- |
0 |
Covered |
T43,T44,T45 |
AckPls |
- |
- |
- |
- |
Covered |
T5,T43,T44 |
Error |
- |
- |
- |
- |
Covered |
T6,T16,T7 |
default |
- |
- |
- |
- |
Covered |
T15,T17,T18 |
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 |
T6,T16,T7 |
0 |
1 |
Covered |
T5,T26,T6 |
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 |
11812791 |
142548 |
0 |
0 |
T6 |
2264 |
1112 |
0 |
0 |
T7 |
1098 |
227 |
0 |
0 |
T8 |
0 |
390 |
0 |
0 |
T9 |
2258 |
0 |
0 |
0 |
T10 |
3605 |
0 |
0 |
0 |
T14 |
0 |
208 |
0 |
0 |
T15 |
0 |
9049 |
0 |
0 |
T16 |
1766 |
1070 |
0 |
0 |
T17 |
0 |
15035 |
0 |
0 |
T19 |
744 |
0 |
0 |
0 |
T27 |
1062 |
0 |
0 |
0 |
T29 |
741 |
0 |
0 |
0 |
T30 |
2491 |
0 |
0 |
0 |
T63 |
0 |
629 |
0 |
0 |
T70 |
1493 |
0 |
0 |
0 |
T111 |
0 |
598 |
0 |
0 |
T123 |
0 |
1110 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
11812791 |
143584 |
0 |
0 |
T6 |
2264 |
1113 |
0 |
0 |
T7 |
1098 |
228 |
0 |
0 |
T8 |
0 |
391 |
0 |
0 |
T9 |
2258 |
0 |
0 |
0 |
T10 |
3605 |
0 |
0 |
0 |
T14 |
0 |
209 |
0 |
0 |
T15 |
0 |
9179 |
0 |
0 |
T16 |
1766 |
1071 |
0 |
0 |
T17 |
0 |
15295 |
0 |
0 |
T19 |
744 |
0 |
0 |
0 |
T27 |
1062 |
0 |
0 |
0 |
T29 |
741 |
0 |
0 |
0 |
T30 |
2491 |
0 |
0 |
0 |
T63 |
0 |
630 |
0 |
0 |
T70 |
1493 |
0 |
0 |
0 |
T111 |
0 |
599 |
0 |
0 |
T123 |
0 |
1111 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
11812791 |
11634995 |
0 |
0 |
T1 |
1609 |
1522 |
0 |
0 |
T2 |
1035 |
966 |
0 |
0 |
T3 |
3006 |
2912 |
0 |
0 |
T4 |
6105 |
5898 |
0 |
0 |
T5 |
1305 |
1132 |
0 |
0 |
T6 |
2264 |
2097 |
0 |
0 |
T9 |
2258 |
2172 |
0 |
0 |
T16 |
1766 |
1608 |
0 |
0 |
T25 |
1151 |
1069 |
0 |
0 |
T26 |
1057 |
963 |
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: T10 T20 T31
73 1/1 fifo_pop_o = 1'b1;
Tests: T10 T20 T31
74 end
MISSING_ELSE
75 1/1 state_d = DataWait;
Tests: T10 T20 T31
76 end
MISSING_ELSE
77 end
78 DataWait: begin
79 1/1 if (fifo_not_empty_i) begin
Tests: T10 T20 T31
80 1/1 state_d = AckPls;
Tests: T10 T20 T31
81 end
MISSING_ELSE
82 end
83 AckPls: begin
84 1/1 ack_o = 1'b1;
Tests: T10 T20 T31
85 1/1 state_d = Idle;
Tests: T10 T20 T31
86 end
87 Error: begin
88 1/1 ack_sm_err_o = 1'b1;
Tests: T6 T16 T7
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: T6 T16 T7
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T6 T16 T7
102 1/1 fifo_clr_o = 1'b0;
Tests: T6 T16 T7
103 1/1 fifo_pop_o = 1'b0;
Tests: T6 T16 T7
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: T5 T26 T6
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T5 T26 T6
110 1/1 fifo_pop_o = 1'b0;
Tests: T5 T26 T6
111 1/1 fifo_clr_o = 1'b0;
Tests: T5 T26 T6
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 | T5,T26,T6 |
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 |
T10,T20,T31 |
DataWait |
75 |
Covered |
T10,T20,T31 |
Disabled |
107 |
Covered |
T1,T2,T3 |
EndPointClear |
63 |
Covered |
T1,T2,T3 |
Error |
99 |
Covered |
T6,T16,T7 |
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,T20,T31 |
DataWait->AckPls |
80 |
Covered |
T10,T20,T31 |
DataWait->Disabled |
107 |
Covered |
T99,T212 |
DataWait->Error |
99 |
Covered |
T67,T213,T214 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T15,T17,T18 |
EndPointClear->Disabled |
107 |
Covered |
T61,T65,T22 |
EndPointClear->Error |
99 |
Covered |
T15,T17,T123 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T10,T20,T31 |
Idle->Disabled |
107 |
Covered |
T4,T5,T26 |
Idle->Error |
99 |
Covered |
T6,T16,T7 |
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 |
T10,T20,T31 |
Idle |
- |
1 |
0 |
- |
Covered |
T10,T20,T31 |
Idle |
- |
0 |
- |
- |
Covered |
T1,T2,T3 |
DataWait |
- |
- |
- |
1 |
Covered |
T10,T20,T31 |
DataWait |
- |
- |
- |
0 |
Covered |
T10,T20,T31 |
AckPls |
- |
- |
- |
- |
Covered |
T10,T20,T31 |
Error |
- |
- |
- |
- |
Covered |
T6,T16,T7 |
default |
- |
- |
- |
- |
Covered |
T15,T17,T18 |
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 |
T6,T16,T7 |
0 |
1 |
Covered |
T5,T26,T6 |
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 |
11812791 |
142548 |
0 |
0 |
T6 |
2264 |
1112 |
0 |
0 |
T7 |
1098 |
227 |
0 |
0 |
T8 |
0 |
390 |
0 |
0 |
T9 |
2258 |
0 |
0 |
0 |
T10 |
3605 |
0 |
0 |
0 |
T14 |
0 |
208 |
0 |
0 |
T15 |
0 |
9049 |
0 |
0 |
T16 |
1766 |
1070 |
0 |
0 |
T17 |
0 |
15035 |
0 |
0 |
T19 |
744 |
0 |
0 |
0 |
T27 |
1062 |
0 |
0 |
0 |
T29 |
741 |
0 |
0 |
0 |
T30 |
2491 |
0 |
0 |
0 |
T63 |
0 |
629 |
0 |
0 |
T70 |
1493 |
0 |
0 |
0 |
T111 |
0 |
598 |
0 |
0 |
T123 |
0 |
1110 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
11812791 |
143584 |
0 |
0 |
T6 |
2264 |
1113 |
0 |
0 |
T7 |
1098 |
228 |
0 |
0 |
T8 |
0 |
391 |
0 |
0 |
T9 |
2258 |
0 |
0 |
0 |
T10 |
3605 |
0 |
0 |
0 |
T14 |
0 |
209 |
0 |
0 |
T15 |
0 |
9179 |
0 |
0 |
T16 |
1766 |
1071 |
0 |
0 |
T17 |
0 |
15295 |
0 |
0 |
T19 |
744 |
0 |
0 |
0 |
T27 |
1062 |
0 |
0 |
0 |
T29 |
741 |
0 |
0 |
0 |
T30 |
2491 |
0 |
0 |
0 |
T63 |
0 |
630 |
0 |
0 |
T70 |
1493 |
0 |
0 |
0 |
T111 |
0 |
599 |
0 |
0 |
T123 |
0 |
1111 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
11812791 |
11634995 |
0 |
0 |
T1 |
1609 |
1522 |
0 |
0 |
T2 |
1035 |
966 |
0 |
0 |
T3 |
3006 |
2912 |
0 |
0 |
T4 |
6105 |
5898 |
0 |
0 |
T5 |
1305 |
1132 |
0 |
0 |
T6 |
2264 |
2097 |
0 |
0 |
T9 |
2258 |
2172 |
0 |
0 |
T16 |
1766 |
1608 |
0 |
0 |
T25 |
1151 |
1069 |
0 |
0 |
T26 |
1057 |
963 |
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: T3 T10 T8
73 1/1 fifo_pop_o = 1'b1;
Tests: T3 T10 T40
74 end
MISSING_ELSE
75 1/1 state_d = DataWait;
Tests: T3 T10 T8
76 end
MISSING_ELSE
77 end
78 DataWait: begin
79 1/1 if (fifo_not_empty_i) begin
Tests: T3 T10 T8
80 1/1 state_d = AckPls;
Tests: T3 T10 T40
81 end
MISSING_ELSE
82 end
83 AckPls: begin
84 1/1 ack_o = 1'b1;
Tests: T3 T10 T40
85 1/1 state_d = Idle;
Tests: T3 T10 T40
86 end
87 Error: begin
88 1/1 ack_sm_err_o = 1'b1;
Tests: T6 T16 T7
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: T6 T16 T7
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T6 T16 T7
102 1/1 fifo_clr_o = 1'b0;
Tests: T6 T16 T7
103 1/1 fifo_pop_o = 1'b0;
Tests: T6 T16 T7
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: T5 T26 T6
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T5 T26 T6
110 1/1 fifo_pop_o = 1'b0;
Tests: T5 T26 T6
111 1/1 fifo_clr_o = 1'b0;
Tests: T5 T26 T6
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 | T5,T26,T6 |
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 |
13 |
92.86 |
|
Sequences |
0 |
0 |
|
|
State, Transition and Sequence Details for FSM :: state_q
states | Line No. | Covered | Tests |
AckPls |
80 |
Covered |
T3,T10,T40 |
DataWait |
75 |
Covered |
T3,T10,T8 |
Disabled |
107 |
Covered |
T1,T2,T3 |
EndPointClear |
63 |
Covered |
T1,T2,T3 |
Error |
99 |
Covered |
T6,T16,T7 |
Idle |
68 |
Covered |
T1,T2,T3 |
transitions | Line No. | Covered | Tests |
AckPls->Disabled |
107 |
Covered |
T207,T215 |
AckPls->Error |
99 |
Not Covered |
|
AckPls->Idle |
85 |
Covered |
T3,T10,T40 |
DataWait->AckPls |
80 |
Covered |
T3,T10,T40 |
DataWait->Disabled |
107 |
Covered |
T141,T216 |
DataWait->Error |
99 |
Covered |
T8,T217,T218 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T15,T17,T18 |
EndPointClear->Disabled |
107 |
Covered |
T61,T65,T22 |
EndPointClear->Error |
99 |
Covered |
T15,T17,T123 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T3,T10,T8 |
Idle->Disabled |
107 |
Covered |
T4,T5,T26 |
Idle->Error |
99 |
Covered |
T6,T16,T7 |
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 |
T3,T10,T40 |
Idle |
- |
1 |
0 |
- |
Covered |
T3,T10,T8 |
Idle |
- |
0 |
- |
- |
Covered |
T1,T2,T3 |
DataWait |
- |
- |
- |
1 |
Covered |
T3,T10,T40 |
DataWait |
- |
- |
- |
0 |
Covered |
T3,T10,T8 |
AckPls |
- |
- |
- |
- |
Covered |
T3,T10,T40 |
Error |
- |
- |
- |
- |
Covered |
T6,T16,T7 |
default |
- |
- |
- |
- |
Covered |
T15,T17,T18 |
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 |
T6,T16,T7 |
0 |
1 |
Covered |
T5,T26,T6 |
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 |
11812791 |
142548 |
0 |
0 |
T6 |
2264 |
1112 |
0 |
0 |
T7 |
1098 |
227 |
0 |
0 |
T8 |
0 |
390 |
0 |
0 |
T9 |
2258 |
0 |
0 |
0 |
T10 |
3605 |
0 |
0 |
0 |
T14 |
0 |
208 |
0 |
0 |
T15 |
0 |
9049 |
0 |
0 |
T16 |
1766 |
1070 |
0 |
0 |
T17 |
0 |
15035 |
0 |
0 |
T19 |
744 |
0 |
0 |
0 |
T27 |
1062 |
0 |
0 |
0 |
T29 |
741 |
0 |
0 |
0 |
T30 |
2491 |
0 |
0 |
0 |
T63 |
0 |
629 |
0 |
0 |
T70 |
1493 |
0 |
0 |
0 |
T111 |
0 |
598 |
0 |
0 |
T123 |
0 |
1110 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
11812791 |
143584 |
0 |
0 |
T6 |
2264 |
1113 |
0 |
0 |
T7 |
1098 |
228 |
0 |
0 |
T8 |
0 |
391 |
0 |
0 |
T9 |
2258 |
0 |
0 |
0 |
T10 |
3605 |
0 |
0 |
0 |
T14 |
0 |
209 |
0 |
0 |
T15 |
0 |
9179 |
0 |
0 |
T16 |
1766 |
1071 |
0 |
0 |
T17 |
0 |
15295 |
0 |
0 |
T19 |
744 |
0 |
0 |
0 |
T27 |
1062 |
0 |
0 |
0 |
T29 |
741 |
0 |
0 |
0 |
T30 |
2491 |
0 |
0 |
0 |
T63 |
0 |
630 |
0 |
0 |
T70 |
1493 |
0 |
0 |
0 |
T111 |
0 |
599 |
0 |
0 |
T123 |
0 |
1111 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
11812791 |
11634995 |
0 |
0 |
T1 |
1609 |
1522 |
0 |
0 |
T2 |
1035 |
966 |
0 |
0 |
T3 |
3006 |
2912 |
0 |
0 |
T4 |
6105 |
5898 |
0 |
0 |
T5 |
1305 |
1132 |
0 |
0 |
T6 |
2264 |
2097 |
0 |
0 |
T9 |
2258 |
2172 |
0 |
0 |
T16 |
1766 |
1608 |
0 |
0 |
T25 |
1151 |
1069 |
0 |
0 |
T26 |
1057 |
963 |
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: T3 T26 T10
73 1/1 fifo_pop_o = 1'b1;
Tests: T3 T26 T10
74 end
MISSING_ELSE
75 1/1 state_d = DataWait;
Tests: T3 T26 T10
76 end
MISSING_ELSE
77 end
78 DataWait: begin
79 1/1 if (fifo_not_empty_i) begin
Tests: T3 T26 T10
80 1/1 state_d = AckPls;
Tests: T3 T26 T10
81 end
MISSING_ELSE
82 end
83 AckPls: begin
84 1/1 ack_o = 1'b1;
Tests: T3 T26 T10
85 1/1 state_d = Idle;
Tests: T3 T26 T10
86 end
87 Error: begin
88 1/1 ack_sm_err_o = 1'b1;
Tests: T6 T16 T7
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: T6 T16 T7
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T6 T16 T7
102 1/1 fifo_clr_o = 1'b0;
Tests: T6 T16 T7
103 1/1 fifo_pop_o = 1'b0;
Tests: T6 T16 T7
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: T5 T26 T6
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T5 T26 T6
110 1/1 fifo_pop_o = 1'b0;
Tests: T5 T26 T6
111 1/1 fifo_clr_o = 1'b0;
Tests: T5 T26 T6
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 | T5,T26,T6 |
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 |
T3,T26,T10 |
DataWait |
75 |
Covered |
T3,T26,T10 |
Disabled |
107 |
Covered |
T1,T2,T3 |
EndPointClear |
63 |
Covered |
T1,T2,T3 |
Error |
99 |
Covered |
T6,T16,T7 |
Idle |
68 |
Covered |
T1,T2,T3 |
transitions | Line No. | Covered | Tests |
AckPls->Disabled |
107 |
Covered |
T92 |
AckPls->Error |
99 |
Not Covered |
|
AckPls->Idle |
85 |
Covered |
T3,T26,T10 |
DataWait->AckPls |
80 |
Covered |
T3,T26,T10 |
DataWait->Disabled |
107 |
Covered |
T50,T90,T77 |
DataWait->Error |
99 |
Covered |
T52,T183,T179 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T15,T17,T18 |
EndPointClear->Disabled |
107 |
Covered |
T61,T65,T22 |
EndPointClear->Error |
99 |
Covered |
T15,T17,T123 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T3,T26,T10 |
Idle->Disabled |
107 |
Covered |
T4,T5,T26 |
Idle->Error |
99 |
Covered |
T6,T16,T7 |
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 |
T3,T26,T10 |
Idle |
- |
1 |
0 |
- |
Covered |
T3,T26,T10 |
Idle |
- |
0 |
- |
- |
Covered |
T1,T2,T3 |
DataWait |
- |
- |
- |
1 |
Covered |
T3,T26,T10 |
DataWait |
- |
- |
- |
0 |
Covered |
T3,T26,T10 |
AckPls |
- |
- |
- |
- |
Covered |
T3,T26,T10 |
Error |
- |
- |
- |
- |
Covered |
T6,T16,T7 |
default |
- |
- |
- |
- |
Covered |
T15,T17,T18 |
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 |
T6,T16,T7 |
0 |
1 |
Covered |
T5,T26,T6 |
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 |
11812791 |
142548 |
0 |
0 |
T6 |
2264 |
1112 |
0 |
0 |
T7 |
1098 |
227 |
0 |
0 |
T8 |
0 |
390 |
0 |
0 |
T9 |
2258 |
0 |
0 |
0 |
T10 |
3605 |
0 |
0 |
0 |
T14 |
0 |
208 |
0 |
0 |
T15 |
0 |
9049 |
0 |
0 |
T16 |
1766 |
1070 |
0 |
0 |
T17 |
0 |
15035 |
0 |
0 |
T19 |
744 |
0 |
0 |
0 |
T27 |
1062 |
0 |
0 |
0 |
T29 |
741 |
0 |
0 |
0 |
T30 |
2491 |
0 |
0 |
0 |
T63 |
0 |
629 |
0 |
0 |
T70 |
1493 |
0 |
0 |
0 |
T111 |
0 |
598 |
0 |
0 |
T123 |
0 |
1110 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
11812791 |
143584 |
0 |
0 |
T6 |
2264 |
1113 |
0 |
0 |
T7 |
1098 |
228 |
0 |
0 |
T8 |
0 |
391 |
0 |
0 |
T9 |
2258 |
0 |
0 |
0 |
T10 |
3605 |
0 |
0 |
0 |
T14 |
0 |
209 |
0 |
0 |
T15 |
0 |
9179 |
0 |
0 |
T16 |
1766 |
1071 |
0 |
0 |
T17 |
0 |
15295 |
0 |
0 |
T19 |
744 |
0 |
0 |
0 |
T27 |
1062 |
0 |
0 |
0 |
T29 |
741 |
0 |
0 |
0 |
T30 |
2491 |
0 |
0 |
0 |
T63 |
0 |
630 |
0 |
0 |
T70 |
1493 |
0 |
0 |
0 |
T111 |
0 |
599 |
0 |
0 |
T123 |
0 |
1111 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
11812791 |
11634995 |
0 |
0 |
T1 |
1609 |
1522 |
0 |
0 |
T2 |
1035 |
966 |
0 |
0 |
T3 |
3006 |
2912 |
0 |
0 |
T4 |
6105 |
5898 |
0 |
0 |
T5 |
1305 |
1132 |
0 |
0 |
T6 |
2264 |
2097 |
0 |
0 |
T9 |
2258 |
2172 |
0 |
0 |
T16 |
1766 |
1608 |
0 |
0 |
T25 |
1151 |
1069 |
0 |
0 |
T26 |
1057 |
963 |
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: T6 T10 T40
73 1/1 fifo_pop_o = 1'b1;
Tests: T6 T10 T40
74 end
MISSING_ELSE
75 1/1 state_d = DataWait;
Tests: T6 T10 T40
76 end
MISSING_ELSE
77 end
78 DataWait: begin
79 1/1 if (fifo_not_empty_i) begin
Tests: T6 T10 T40
80 1/1 state_d = AckPls;
Tests: T6 T10 T40
81 end
MISSING_ELSE
82 end
83 AckPls: begin
84 1/1 ack_o = 1'b1;
Tests: T6 T10 T40
85 1/1 state_d = Idle;
Tests: T6 T10 T40
86 end
87 Error: begin
88 1/1 ack_sm_err_o = 1'b1;
Tests: T6 T16 T7
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: T6 T16 T7
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T6 T16 T7
102 1/1 fifo_clr_o = 1'b0;
Tests: T6 T16 T7
103 1/1 fifo_pop_o = 1'b0;
Tests: T6 T16 T7
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: T5 T26 T6
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T5 T26 T6
110 1/1 fifo_pop_o = 1'b0;
Tests: T5 T26 T6
111 1/1 fifo_clr_o = 1'b0;
Tests: T5 T26 T6
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 | T5,T26,T6 |
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 |
13 |
92.86 |
|
Sequences |
0 |
0 |
|
|
State, Transition and Sequence Details for FSM :: state_q
states | Line No. | Covered | Tests |
AckPls |
80 |
Covered |
T6,T10,T40 |
DataWait |
75 |
Covered |
T6,T10,T40 |
Disabled |
107 |
Covered |
T1,T2,T3 |
EndPointClear |
63 |
Covered |
T1,T2,T3 |
Error |
99 |
Covered |
T6,T16,T7 |
Idle |
68 |
Covered |
T1,T2,T3 |
transitions | Line No. | Covered | Tests |
AckPls->Disabled |
107 |
Covered |
T206 |
AckPls->Error |
99 |
Not Covered |
|
AckPls->Idle |
85 |
Covered |
T6,T10,T40 |
DataWait->AckPls |
80 |
Covered |
T6,T10,T40 |
DataWait->Disabled |
107 |
Covered |
T60,T97,T219 |
DataWait->Error |
99 |
Covered |
T55,T220,T202 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T15,T17,T18 |
EndPointClear->Disabled |
107 |
Covered |
T61,T65,T22 |
EndPointClear->Error |
99 |
Covered |
T15,T17,T123 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T6,T10,T40 |
Idle->Disabled |
107 |
Covered |
T4,T5,T26 |
Idle->Error |
99 |
Covered |
T6,T16,T7 |
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 |
T6,T10,T40 |
Idle |
- |
1 |
0 |
- |
Covered |
T6,T10,T40 |
Idle |
- |
0 |
- |
- |
Covered |
T1,T2,T3 |
DataWait |
- |
- |
- |
1 |
Covered |
T6,T10,T40 |
DataWait |
- |
- |
- |
0 |
Covered |
T6,T10,T40 |
AckPls |
- |
- |
- |
- |
Covered |
T6,T10,T40 |
Error |
- |
- |
- |
- |
Covered |
T6,T16,T7 |
default |
- |
- |
- |
- |
Covered |
T15,T17,T18 |
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 |
T6,T16,T7 |
0 |
1 |
Covered |
T5,T26,T6 |
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 |
11812791 |
142548 |
0 |
0 |
T6 |
2264 |
1112 |
0 |
0 |
T7 |
1098 |
227 |
0 |
0 |
T8 |
0 |
390 |
0 |
0 |
T9 |
2258 |
0 |
0 |
0 |
T10 |
3605 |
0 |
0 |
0 |
T14 |
0 |
208 |
0 |
0 |
T15 |
0 |
9049 |
0 |
0 |
T16 |
1766 |
1070 |
0 |
0 |
T17 |
0 |
15035 |
0 |
0 |
T19 |
744 |
0 |
0 |
0 |
T27 |
1062 |
0 |
0 |
0 |
T29 |
741 |
0 |
0 |
0 |
T30 |
2491 |
0 |
0 |
0 |
T63 |
0 |
629 |
0 |
0 |
T70 |
1493 |
0 |
0 |
0 |
T111 |
0 |
598 |
0 |
0 |
T123 |
0 |
1110 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
11812791 |
143584 |
0 |
0 |
T6 |
2264 |
1113 |
0 |
0 |
T7 |
1098 |
228 |
0 |
0 |
T8 |
0 |
391 |
0 |
0 |
T9 |
2258 |
0 |
0 |
0 |
T10 |
3605 |
0 |
0 |
0 |
T14 |
0 |
209 |
0 |
0 |
T15 |
0 |
9179 |
0 |
0 |
T16 |
1766 |
1071 |
0 |
0 |
T17 |
0 |
15295 |
0 |
0 |
T19 |
744 |
0 |
0 |
0 |
T27 |
1062 |
0 |
0 |
0 |
T29 |
741 |
0 |
0 |
0 |
T30 |
2491 |
0 |
0 |
0 |
T63 |
0 |
630 |
0 |
0 |
T70 |
1493 |
0 |
0 |
0 |
T111 |
0 |
599 |
0 |
0 |
T123 |
0 |
1111 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
11812791 |
11634995 |
0 |
0 |
T1 |
1609 |
1522 |
0 |
0 |
T2 |
1035 |
966 |
0 |
0 |
T3 |
3006 |
2912 |
0 |
0 |
T4 |
6105 |
5898 |
0 |
0 |
T5 |
1305 |
1132 |
0 |
0 |
T6 |
2264 |
2097 |
0 |
0 |
T9 |
2258 |
2172 |
0 |
0 |
T16 |
1766 |
1608 |
0 |
0 |
T25 |
1151 |
1069 |
0 |
0 |
T26 |
1057 |
963 |
0 |
0 |