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: T5 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: T5 T16 T7
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T5 T16 T7
102 1/1 fifo_clr_o = 1'b0;
Tests: T5 T16 T7
103 1/1 fifo_pop_o = 1'b0;
Tests: T5 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: T4 T18 T28
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T4 T18 T28
110 1/1 fifo_pop_o = 1'b0;
Tests: T4 T18 T28
111 1/1 fifo_clr_o = 1'b0;
Tests: T4 T18 T28
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 | T4,T18,T28 |
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 |
T5,T16,T7 |
Idle |
68 |
Covered |
T1,T2,T3 |
transitions | Line No. | Covered | Tests |
AckPls->Disabled |
107 |
Covered |
T91,T208 |
AckPls->Error |
99 |
Not Covered |
|
AckPls->Idle |
85 |
Covered |
T1,T2,T3 |
DataWait->AckPls |
80 |
Covered |
T1,T2,T3 |
DataWait->Disabled |
107 |
Covered |
T28,T22,T37 |
DataWait->Error |
99 |
Covered |
T16,T8,T58 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T17,T20,T21 |
EndPointClear->Disabled |
107 |
Covered |
T122,T209,T210 |
EndPointClear->Error |
99 |
Covered |
T7,T17,T20 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T1,T2,T3 |
Idle->Disabled |
107 |
Covered |
T4,T18,T28 |
Idle->Error |
99 |
Covered |
T5,T16,T17 |
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 |
T5,T16,T7 |
default |
- |
- |
- |
- |
Covered |
T5,T17,T20 |
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 |
T5,T16,T7 |
0 |
1 |
Covered |
T4,T18,T28 |
0 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Module :
edn_ack_sm
Assertion Details
AckSmErrorStStable_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
74268502 |
1088587 |
0 |
0 |
T5 |
16765 |
5018 |
0 |
0 |
T6 |
107632 |
0 |
0 |
0 |
T7 |
12768 |
5971 |
0 |
0 |
T8 |
0 |
7560 |
0 |
0 |
T11 |
17780 |
0 |
0 |
0 |
T16 |
13041 |
7714 |
0 |
0 |
T17 |
192717 |
75236 |
0 |
0 |
T19 |
16254 |
0 |
0 |
0 |
T20 |
0 |
151151 |
0 |
0 |
T21 |
0 |
99883 |
0 |
0 |
T31 |
10941 |
0 |
0 |
0 |
T40 |
23492 |
0 |
0 |
0 |
T56 |
6496 |
0 |
0 |
0 |
T58 |
0 |
1617 |
0 |
0 |
T71 |
0 |
7476 |
0 |
0 |
T207 |
0 |
2470 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
74268502 |
1096770 |
0 |
0 |
T5 |
16765 |
5025 |
0 |
0 |
T6 |
107632 |
0 |
0 |
0 |
T7 |
12768 |
5978 |
0 |
0 |
T8 |
0 |
7567 |
0 |
0 |
T11 |
17780 |
0 |
0 |
0 |
T16 |
13041 |
7721 |
0 |
0 |
T17 |
192717 |
76146 |
0 |
0 |
T19 |
16254 |
0 |
0 |
0 |
T20 |
0 |
152971 |
0 |
0 |
T21 |
0 |
101703 |
0 |
0 |
T31 |
10941 |
0 |
0 |
0 |
T40 |
23492 |
0 |
0 |
0 |
T56 |
6496 |
0 |
0 |
0 |
T58 |
0 |
1624 |
0 |
0 |
T71 |
0 |
7483 |
0 |
0 |
T207 |
0 |
2477 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
74231220 |
72907618 |
0 |
0 |
T1 |
9870 |
9464 |
0 |
0 |
T2 |
10290 |
9912 |
0 |
0 |
T3 |
17234 |
16737 |
0 |
0 |
T4 |
7910 |
7007 |
0 |
0 |
T5 |
15563 |
14471 |
0 |
0 |
T10 |
21749 |
21280 |
0 |
0 |
T18 |
14161 |
13671 |
0 |
0 |
T28 |
5033 |
4333 |
0 |
0 |
T29 |
11361 |
10752 |
0 |
0 |
T30 |
12712 |
12068 |
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 T4
73 1/1 fifo_pop_o = 1'b1;
Tests: T1 T2 T4
74 end
MISSING_ELSE
75 1/1 state_d = DataWait;
Tests: T1 T2 T4
76 end
MISSING_ELSE
77 end
78 DataWait: begin
79 1/1 if (fifo_not_empty_i) begin
Tests: T1 T2 T4
80 1/1 state_d = AckPls;
Tests: T1 T2 T4
81 end
MISSING_ELSE
82 end
83 AckPls: begin
84 1/1 ack_o = 1'b1;
Tests: T1 T2 T4
85 1/1 state_d = Idle;
Tests: T1 T2 T4
86 end
87 Error: begin
88 1/1 ack_sm_err_o = 1'b1;
Tests: T5 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: T5 T16 T7
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T5 T16 T7
102 1/1 fifo_clr_o = 1'b0;
Tests: T5 T16 T7
103 1/1 fifo_pop_o = 1'b0;
Tests: T5 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: T4 T18 T28
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T4 T18 T28
110 1/1 fifo_pop_o = 1'b0;
Tests: T4 T18 T28
111 1/1 fifo_clr_o = 1'b0;
Tests: T4 T18 T28
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 | T4,T18,T28 |
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,T4 |
DataWait |
75 |
Covered |
T1,T2,T4 |
Disabled |
107 |
Covered |
T1,T2,T3 |
EndPointClear |
63 |
Covered |
T1,T2,T3 |
Error |
99 |
Covered |
T5,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,T4 |
DataWait->AckPls |
80 |
Covered |
T1,T2,T4 |
DataWait->Disabled |
107 |
Covered |
T22,T37,T38 |
DataWait->Error |
99 |
Covered |
T8,T58,T211 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T17,T20,T21 |
EndPointClear->Disabled |
107 |
Covered |
T122,T209,T210 |
EndPointClear->Error |
99 |
Covered |
T7,T17,T20 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T1,T2,T4 |
Idle->Disabled |
107 |
Covered |
T4,T18,T28 |
Idle->Error |
99 |
Covered |
T16,T17,T71 |
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,T4 |
Idle |
- |
1 |
0 |
- |
Covered |
T1,T2,T4 |
Idle |
- |
0 |
- |
- |
Covered |
T1,T2,T3 |
DataWait |
- |
- |
- |
1 |
Covered |
T1,T2,T4 |
DataWait |
- |
- |
- |
0 |
Covered |
T1,T2,T30 |
AckPls |
- |
- |
- |
- |
Covered |
T1,T2,T4 |
Error |
- |
- |
- |
- |
Covered |
T5,T16,T7 |
default |
- |
- |
- |
- |
Covered |
T5,T17,T20 |
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 |
T5,T16,T7 |
0 |
1 |
Covered |
T4,T18,T28 |
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 |
10609786 |
153541 |
0 |
0 |
T5 |
2395 |
674 |
0 |
0 |
T6 |
15376 |
0 |
0 |
0 |
T7 |
1824 |
853 |
0 |
0 |
T8 |
0 |
1080 |
0 |
0 |
T11 |
2540 |
0 |
0 |
0 |
T16 |
1863 |
1102 |
0 |
0 |
T17 |
27531 |
10748 |
0 |
0 |
T19 |
2322 |
0 |
0 |
0 |
T20 |
0 |
21593 |
0 |
0 |
T21 |
0 |
14269 |
0 |
0 |
T31 |
1563 |
0 |
0 |
0 |
T40 |
3356 |
0 |
0 |
0 |
T56 |
928 |
0 |
0 |
0 |
T58 |
0 |
231 |
0 |
0 |
T71 |
0 |
1068 |
0 |
0 |
T207 |
0 |
310 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
10609786 |
154710 |
0 |
0 |
T5 |
2395 |
675 |
0 |
0 |
T6 |
15376 |
0 |
0 |
0 |
T7 |
1824 |
854 |
0 |
0 |
T8 |
0 |
1081 |
0 |
0 |
T11 |
2540 |
0 |
0 |
0 |
T16 |
1863 |
1103 |
0 |
0 |
T17 |
27531 |
10878 |
0 |
0 |
T19 |
2322 |
0 |
0 |
0 |
T20 |
0 |
21853 |
0 |
0 |
T21 |
0 |
14529 |
0 |
0 |
T31 |
1563 |
0 |
0 |
0 |
T40 |
3356 |
0 |
0 |
0 |
T56 |
928 |
0 |
0 |
0 |
T58 |
0 |
232 |
0 |
0 |
T71 |
0 |
1069 |
0 |
0 |
T207 |
0 |
311 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
10572504 |
10383418 |
0 |
0 |
T1 |
1410 |
1352 |
0 |
0 |
T2 |
1470 |
1416 |
0 |
0 |
T3 |
2462 |
2391 |
0 |
0 |
T4 |
1118 |
989 |
0 |
0 |
T5 |
1193 |
1037 |
0 |
0 |
T10 |
3107 |
3040 |
0 |
0 |
T18 |
2023 |
1953 |
0 |
0 |
T28 |
719 |
619 |
0 |
0 |
T29 |
1623 |
1536 |
0 |
0 |
T30 |
1816 |
1724 |
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: T18 T16 T11
73 1/1 fifo_pop_o = 1'b1;
Tests: T18 T11 T41
74 end
MISSING_ELSE
75 1/1 state_d = DataWait;
Tests: T18 T16 T11
76 end
MISSING_ELSE
77 end
78 DataWait: begin
79 1/1 if (fifo_not_empty_i) begin
Tests: T18 T16 T11
80 1/1 state_d = AckPls;
Tests: T18 T11 T41
81 end
MISSING_ELSE
82 end
83 AckPls: begin
84 1/1 ack_o = 1'b1;
Tests: T18 T11 T41
85 1/1 state_d = Idle;
Tests: T18 T11 T41
86 end
87 Error: begin
88 1/1 ack_sm_err_o = 1'b1;
Tests: T5 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: T5 T16 T7
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T5 T16 T7
102 1/1 fifo_clr_o = 1'b0;
Tests: T5 T16 T7
103 1/1 fifo_pop_o = 1'b0;
Tests: T5 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: T4 T18 T28
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T4 T18 T28
110 1/1 fifo_pop_o = 1'b0;
Tests: T4 T18 T28
111 1/1 fifo_clr_o = 1'b0;
Tests: T4 T18 T28
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 | T4,T18,T28 |
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 |
T18,T11,T41 |
DataWait |
75 |
Covered |
T18,T16,T11 |
Disabled |
107 |
Covered |
T1,T2,T3 |
EndPointClear |
63 |
Covered |
T1,T2,T3 |
Error |
99 |
Covered |
T5,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 |
T18,T11,T41 |
DataWait->AckPls |
80 |
Covered |
T18,T11,T41 |
DataWait->Disabled |
107 |
Covered |
T73,T212,T213 |
DataWait->Error |
99 |
Covered |
T16,T176,T214 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T17,T20,T21 |
EndPointClear->Disabled |
107 |
Covered |
T122,T209,T210 |
EndPointClear->Error |
99 |
Covered |
T7,T17,T20 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T18,T16,T11 |
Idle->Disabled |
107 |
Covered |
T4,T18,T28 |
Idle->Error |
99 |
Covered |
T5,T17,T8 |
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 |
T18,T11,T41 |
Idle |
- |
1 |
0 |
- |
Covered |
T18,T16,T11 |
Idle |
- |
0 |
- |
- |
Covered |
T1,T2,T3 |
DataWait |
- |
- |
- |
1 |
Covered |
T18,T11,T41 |
DataWait |
- |
- |
- |
0 |
Covered |
T16,T41,T53 |
AckPls |
- |
- |
- |
- |
Covered |
T18,T11,T41 |
Error |
- |
- |
- |
- |
Covered |
T5,T16,T7 |
default |
- |
- |
- |
- |
Covered |
T17,T20,T21 |
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 |
T5,T16,T7 |
0 |
1 |
Covered |
T4,T18,T28 |
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 |
10609786 |
155841 |
0 |
0 |
T5 |
2395 |
724 |
0 |
0 |
T6 |
15376 |
0 |
0 |
0 |
T7 |
1824 |
853 |
0 |
0 |
T8 |
0 |
1080 |
0 |
0 |
T11 |
2540 |
0 |
0 |
0 |
T16 |
1863 |
1102 |
0 |
0 |
T17 |
27531 |
10748 |
0 |
0 |
T19 |
2322 |
0 |
0 |
0 |
T20 |
0 |
21593 |
0 |
0 |
T21 |
0 |
14269 |
0 |
0 |
T31 |
1563 |
0 |
0 |
0 |
T40 |
3356 |
0 |
0 |
0 |
T56 |
928 |
0 |
0 |
0 |
T58 |
0 |
231 |
0 |
0 |
T71 |
0 |
1068 |
0 |
0 |
T207 |
0 |
360 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
10609786 |
157010 |
0 |
0 |
T5 |
2395 |
725 |
0 |
0 |
T6 |
15376 |
0 |
0 |
0 |
T7 |
1824 |
854 |
0 |
0 |
T8 |
0 |
1081 |
0 |
0 |
T11 |
2540 |
0 |
0 |
0 |
T16 |
1863 |
1103 |
0 |
0 |
T17 |
27531 |
10878 |
0 |
0 |
T19 |
2322 |
0 |
0 |
0 |
T20 |
0 |
21853 |
0 |
0 |
T21 |
0 |
14529 |
0 |
0 |
T31 |
1563 |
0 |
0 |
0 |
T40 |
3356 |
0 |
0 |
0 |
T56 |
928 |
0 |
0 |
0 |
T58 |
0 |
232 |
0 |
0 |
T71 |
0 |
1069 |
0 |
0 |
T207 |
0 |
361 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
10609786 |
10420700 |
0 |
0 |
T1 |
1410 |
1352 |
0 |
0 |
T2 |
1470 |
1416 |
0 |
0 |
T3 |
2462 |
2391 |
0 |
0 |
T4 |
1132 |
1003 |
0 |
0 |
T5 |
2395 |
2239 |
0 |
0 |
T10 |
3107 |
3040 |
0 |
0 |
T18 |
2023 |
1953 |
0 |
0 |
T28 |
719 |
619 |
0 |
0 |
T29 |
1623 |
1536 |
0 |
0 |
T30 |
1816 |
1724 |
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 T18 T40
73 1/1 fifo_pop_o = 1'b1;
Tests: T3 T18 T40
74 end
MISSING_ELSE
75 1/1 state_d = DataWait;
Tests: T3 T18 T40
76 end
MISSING_ELSE
77 end
78 DataWait: begin
79 1/1 if (fifo_not_empty_i) begin
Tests: T3 T18 T40
80 1/1 state_d = AckPls;
Tests: T3 T18 T40
81 end
MISSING_ELSE
82 end
83 AckPls: begin
84 1/1 ack_o = 1'b1;
Tests: T3 T18 T40
85 1/1 state_d = Idle;
Tests: T3 T18 T40
86 end
87 Error: begin
88 1/1 ack_sm_err_o = 1'b1;
Tests: T5 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: T5 T16 T7
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T5 T16 T7
102 1/1 fifo_clr_o = 1'b0;
Tests: T5 T16 T7
103 1/1 fifo_pop_o = 1'b0;
Tests: T5 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: T4 T18 T28
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T4 T18 T28
110 1/1 fifo_pop_o = 1'b0;
Tests: T4 T18 T28
111 1/1 fifo_clr_o = 1'b0;
Tests: T4 T18 T28
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 | T4,T18,T28 |
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 |
T3,T18,T40 |
DataWait |
75 |
Covered |
T3,T18,T40 |
Disabled |
107 |
Covered |
T1,T2,T3 |
EndPointClear |
63 |
Covered |
T1,T2,T3 |
Error |
99 |
Covered |
T5,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 |
T3,T18,T40 |
DataWait->AckPls |
80 |
Covered |
T3,T18,T40 |
DataWait->Disabled |
107 |
Covered |
T79,T81,T215 |
DataWait->Error |
99 |
Covered |
T216,T196,T155 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T17,T20,T21 |
EndPointClear->Disabled |
107 |
Covered |
T122,T209,T210 |
EndPointClear->Error |
99 |
Covered |
T7,T17,T20 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T3,T18,T40 |
Idle->Disabled |
107 |
Covered |
T4,T18,T28 |
Idle->Error |
99 |
Covered |
T5,T16,T17 |
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,T18,T40 |
Idle |
- |
1 |
0 |
- |
Covered |
T3,T18,T40 |
Idle |
- |
0 |
- |
- |
Covered |
T1,T2,T3 |
DataWait |
- |
- |
- |
1 |
Covered |
T3,T18,T40 |
DataWait |
- |
- |
- |
0 |
Covered |
T3,T18,T40 |
AckPls |
- |
- |
- |
- |
Covered |
T3,T18,T40 |
Error |
- |
- |
- |
- |
Covered |
T5,T16,T7 |
default |
- |
- |
- |
- |
Covered |
T17,T20,T21 |
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 |
T5,T16,T7 |
0 |
1 |
Covered |
T4,T18,T28 |
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 |
10609786 |
155841 |
0 |
0 |
T5 |
2395 |
724 |
0 |
0 |
T6 |
15376 |
0 |
0 |
0 |
T7 |
1824 |
853 |
0 |
0 |
T8 |
0 |
1080 |
0 |
0 |
T11 |
2540 |
0 |
0 |
0 |
T16 |
1863 |
1102 |
0 |
0 |
T17 |
27531 |
10748 |
0 |
0 |
T19 |
2322 |
0 |
0 |
0 |
T20 |
0 |
21593 |
0 |
0 |
T21 |
0 |
14269 |
0 |
0 |
T31 |
1563 |
0 |
0 |
0 |
T40 |
3356 |
0 |
0 |
0 |
T56 |
928 |
0 |
0 |
0 |
T58 |
0 |
231 |
0 |
0 |
T71 |
0 |
1068 |
0 |
0 |
T207 |
0 |
360 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
10609786 |
157010 |
0 |
0 |
T5 |
2395 |
725 |
0 |
0 |
T6 |
15376 |
0 |
0 |
0 |
T7 |
1824 |
854 |
0 |
0 |
T8 |
0 |
1081 |
0 |
0 |
T11 |
2540 |
0 |
0 |
0 |
T16 |
1863 |
1103 |
0 |
0 |
T17 |
27531 |
10878 |
0 |
0 |
T19 |
2322 |
0 |
0 |
0 |
T20 |
0 |
21853 |
0 |
0 |
T21 |
0 |
14529 |
0 |
0 |
T31 |
1563 |
0 |
0 |
0 |
T40 |
3356 |
0 |
0 |
0 |
T56 |
928 |
0 |
0 |
0 |
T58 |
0 |
232 |
0 |
0 |
T71 |
0 |
1069 |
0 |
0 |
T207 |
0 |
361 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
10609786 |
10420700 |
0 |
0 |
T1 |
1410 |
1352 |
0 |
0 |
T2 |
1470 |
1416 |
0 |
0 |
T3 |
2462 |
2391 |
0 |
0 |
T4 |
1132 |
1003 |
0 |
0 |
T5 |
2395 |
2239 |
0 |
0 |
T10 |
3107 |
3040 |
0 |
0 |
T18 |
2023 |
1953 |
0 |
0 |
T28 |
719 |
619 |
0 |
0 |
T29 |
1623 |
1536 |
0 |
0 |
T30 |
1816 |
1724 |
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: T3 T10 T45
73 1/1 fifo_pop_o = 1'b1;
Tests: T3 T10 T45
74 end
MISSING_ELSE
75 1/1 state_d = DataWait;
Tests: T3 T10 T45
76 end
MISSING_ELSE
77 end
78 DataWait: begin
79 1/1 if (fifo_not_empty_i) begin
Tests: T3 T10 T45
80 1/1 state_d = AckPls;
Tests: T3 T10 T45
81 end
MISSING_ELSE
82 end
83 AckPls: begin
84 1/1 ack_o = 1'b1;
Tests: T3 T10 T45
85 1/1 state_d = Idle;
Tests: T3 T10 T45
86 end
87 Error: begin
88 1/1 ack_sm_err_o = 1'b1;
Tests: T5 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: T5 T16 T7
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T5 T16 T7
102 1/1 fifo_clr_o = 1'b0;
Tests: T5 T16 T7
103 1/1 fifo_pop_o = 1'b0;
Tests: T5 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: T4 T18 T28
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T4 T18 T28
110 1/1 fifo_pop_o = 1'b0;
Tests: T4 T18 T28
111 1/1 fifo_clr_o = 1'b0;
Tests: T4 T18 T28
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 | T4,T18,T28 |
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 |
T3,T10,T45 |
DataWait |
75 |
Covered |
T3,T10,T45 |
Disabled |
107 |
Covered |
T1,T2,T3 |
EndPointClear |
63 |
Covered |
T1,T2,T3 |
Error |
99 |
Covered |
T5,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 |
T3,T10,T45 |
DataWait->AckPls |
80 |
Covered |
T3,T10,T45 |
DataWait->Disabled |
107 |
Covered |
T217,T218 |
DataWait->Error |
99 |
Covered |
T170,T219,T220 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T17,T20,T21 |
EndPointClear->Disabled |
107 |
Covered |
T122,T209,T210 |
EndPointClear->Error |
99 |
Covered |
T7,T17,T20 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T3,T10,T45 |
Idle->Disabled |
107 |
Covered |
T4,T18,T28 |
Idle->Error |
99 |
Covered |
T5,T16,T17 |
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 |
T3,T10,T45 |
Idle |
- |
1 |
0 |
- |
Covered |
T3,T10,T45 |
Idle |
- |
0 |
- |
- |
Covered |
T1,T2,T3 |
DataWait |
- |
- |
- |
1 |
Covered |
T3,T10,T45 |
DataWait |
- |
- |
- |
0 |
Covered |
T3,T10,T45 |
AckPls |
- |
- |
- |
- |
Covered |
T3,T10,T45 |
Error |
- |
- |
- |
- |
Covered |
T5,T16,T7 |
default |
- |
- |
- |
- |
Covered |
T17,T20,T21 |
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 |
T5,T16,T7 |
0 |
1 |
Covered |
T4,T18,T28 |
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 |
10609786 |
155841 |
0 |
0 |
T5 |
2395 |
724 |
0 |
0 |
T6 |
15376 |
0 |
0 |
0 |
T7 |
1824 |
853 |
0 |
0 |
T8 |
0 |
1080 |
0 |
0 |
T11 |
2540 |
0 |
0 |
0 |
T16 |
1863 |
1102 |
0 |
0 |
T17 |
27531 |
10748 |
0 |
0 |
T19 |
2322 |
0 |
0 |
0 |
T20 |
0 |
21593 |
0 |
0 |
T21 |
0 |
14269 |
0 |
0 |
T31 |
1563 |
0 |
0 |
0 |
T40 |
3356 |
0 |
0 |
0 |
T56 |
928 |
0 |
0 |
0 |
T58 |
0 |
231 |
0 |
0 |
T71 |
0 |
1068 |
0 |
0 |
T207 |
0 |
360 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
10609786 |
157010 |
0 |
0 |
T5 |
2395 |
725 |
0 |
0 |
T6 |
15376 |
0 |
0 |
0 |
T7 |
1824 |
854 |
0 |
0 |
T8 |
0 |
1081 |
0 |
0 |
T11 |
2540 |
0 |
0 |
0 |
T16 |
1863 |
1103 |
0 |
0 |
T17 |
27531 |
10878 |
0 |
0 |
T19 |
2322 |
0 |
0 |
0 |
T20 |
0 |
21853 |
0 |
0 |
T21 |
0 |
14529 |
0 |
0 |
T31 |
1563 |
0 |
0 |
0 |
T40 |
3356 |
0 |
0 |
0 |
T56 |
928 |
0 |
0 |
0 |
T58 |
0 |
232 |
0 |
0 |
T71 |
0 |
1069 |
0 |
0 |
T207 |
0 |
361 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
10609786 |
10420700 |
0 |
0 |
T1 |
1410 |
1352 |
0 |
0 |
T2 |
1470 |
1416 |
0 |
0 |
T3 |
2462 |
2391 |
0 |
0 |
T4 |
1132 |
1003 |
0 |
0 |
T5 |
2395 |
2239 |
0 |
0 |
T10 |
3107 |
3040 |
0 |
0 |
T18 |
2023 |
1953 |
0 |
0 |
T28 |
719 |
619 |
0 |
0 |
T29 |
1623 |
1536 |
0 |
0 |
T30 |
1816 |
1724 |
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: T3 T5 T56
73 1/1 fifo_pop_o = 1'b1;
Tests: T3 T56 T57
74 end
MISSING_ELSE
75 1/1 state_d = DataWait;
Tests: T3 T5 T56
76 end
MISSING_ELSE
77 end
78 DataWait: begin
79 1/1 if (fifo_not_empty_i) begin
Tests: T3 T5 T56
80 1/1 state_d = AckPls;
Tests: T3 T56 T57
81 end
MISSING_ELSE
82 end
83 AckPls: begin
84 1/1 ack_o = 1'b1;
Tests: T3 T56 T57
85 1/1 state_d = Idle;
Tests: T3 T56 T57
86 end
87 Error: begin
88 1/1 ack_sm_err_o = 1'b1;
Tests: T5 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: T5 T16 T7
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T5 T16 T7
102 1/1 fifo_clr_o = 1'b0;
Tests: T5 T16 T7
103 1/1 fifo_pop_o = 1'b0;
Tests: T5 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: T4 T18 T28
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T4 T18 T28
110 1/1 fifo_pop_o = 1'b0;
Tests: T4 T18 T28
111 1/1 fifo_clr_o = 1'b0;
Tests: T4 T18 T28
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 | T4,T18,T28 |
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 |
T3,T56,T57 |
DataWait |
75 |
Covered |
T3,T5,T56 |
Disabled |
107 |
Covered |
T1,T2,T3 |
EndPointClear |
63 |
Covered |
T1,T2,T3 |
Error |
99 |
Covered |
T5,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 |
T3,T56,T57 |
DataWait->AckPls |
80 |
Covered |
T3,T56,T57 |
DataWait->Disabled |
107 |
Covered |
T221,T222 |
DataWait->Error |
99 |
Covered |
T5,T223,T224 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T17,T20,T21 |
EndPointClear->Disabled |
107 |
Covered |
T122,T209,T210 |
EndPointClear->Error |
99 |
Covered |
T7,T17,T20 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T3,T5,T56 |
Idle->Disabled |
107 |
Covered |
T4,T18,T28 |
Idle->Error |
99 |
Covered |
T16,T17,T8 |
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 |
T3,T56,T57 |
Idle |
- |
1 |
0 |
- |
Covered |
T3,T5,T56 |
Idle |
- |
0 |
- |
- |
Covered |
T1,T2,T3 |
DataWait |
- |
- |
- |
1 |
Covered |
T3,T56,T57 |
DataWait |
- |
- |
- |
0 |
Covered |
T3,T5,T56 |
AckPls |
- |
- |
- |
- |
Covered |
T3,T56,T57 |
Error |
- |
- |
- |
- |
Covered |
T5,T16,T7 |
default |
- |
- |
- |
- |
Covered |
T17,T20,T21 |
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 |
T5,T16,T7 |
0 |
1 |
Covered |
T4,T18,T28 |
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 |
10609786 |
155841 |
0 |
0 |
T5 |
2395 |
724 |
0 |
0 |
T6 |
15376 |
0 |
0 |
0 |
T7 |
1824 |
853 |
0 |
0 |
T8 |
0 |
1080 |
0 |
0 |
T11 |
2540 |
0 |
0 |
0 |
T16 |
1863 |
1102 |
0 |
0 |
T17 |
27531 |
10748 |
0 |
0 |
T19 |
2322 |
0 |
0 |
0 |
T20 |
0 |
21593 |
0 |
0 |
T21 |
0 |
14269 |
0 |
0 |
T31 |
1563 |
0 |
0 |
0 |
T40 |
3356 |
0 |
0 |
0 |
T56 |
928 |
0 |
0 |
0 |
T58 |
0 |
231 |
0 |
0 |
T71 |
0 |
1068 |
0 |
0 |
T207 |
0 |
360 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
10609786 |
157010 |
0 |
0 |
T5 |
2395 |
725 |
0 |
0 |
T6 |
15376 |
0 |
0 |
0 |
T7 |
1824 |
854 |
0 |
0 |
T8 |
0 |
1081 |
0 |
0 |
T11 |
2540 |
0 |
0 |
0 |
T16 |
1863 |
1103 |
0 |
0 |
T17 |
27531 |
10878 |
0 |
0 |
T19 |
2322 |
0 |
0 |
0 |
T20 |
0 |
21853 |
0 |
0 |
T21 |
0 |
14529 |
0 |
0 |
T31 |
1563 |
0 |
0 |
0 |
T40 |
3356 |
0 |
0 |
0 |
T56 |
928 |
0 |
0 |
0 |
T58 |
0 |
232 |
0 |
0 |
T71 |
0 |
1069 |
0 |
0 |
T207 |
0 |
361 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
10609786 |
10420700 |
0 |
0 |
T1 |
1410 |
1352 |
0 |
0 |
T2 |
1470 |
1416 |
0 |
0 |
T3 |
2462 |
2391 |
0 |
0 |
T4 |
1132 |
1003 |
0 |
0 |
T5 |
2395 |
2239 |
0 |
0 |
T10 |
3107 |
3040 |
0 |
0 |
T18 |
2023 |
1953 |
0 |
0 |
T28 |
719 |
619 |
0 |
0 |
T29 |
1623 |
1536 |
0 |
0 |
T30 |
1816 |
1724 |
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 T28 T40
73 1/1 fifo_pop_o = 1'b1;
Tests: T3 T28 T40
74 end
MISSING_ELSE
75 1/1 state_d = DataWait;
Tests: T3 T28 T40
76 end
MISSING_ELSE
77 end
78 DataWait: begin
79 1/1 if (fifo_not_empty_i) begin
Tests: T3 T28 T40
80 1/1 state_d = AckPls;
Tests: T3 T28 T40
81 end
MISSING_ELSE
82 end
83 AckPls: begin
84 1/1 ack_o = 1'b1;
Tests: T3 T28 T40
85 1/1 state_d = Idle;
Tests: T3 T28 T40
86 end
87 Error: begin
88 1/1 ack_sm_err_o = 1'b1;
Tests: T5 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: T5 T16 T7
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T5 T16 T7
102 1/1 fifo_clr_o = 1'b0;
Tests: T5 T16 T7
103 1/1 fifo_pop_o = 1'b0;
Tests: T5 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: T4 T18 T28
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T4 T18 T28
110 1/1 fifo_pop_o = 1'b0;
Tests: T4 T18 T28
111 1/1 fifo_clr_o = 1'b0;
Tests: T4 T18 T28
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 | T4,T18,T28 |
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,T28,T40 |
DataWait |
75 |
Covered |
T3,T28,T40 |
Disabled |
107 |
Covered |
T1,T2,T3 |
EndPointClear |
63 |
Covered |
T1,T2,T3 |
Error |
99 |
Covered |
T5,T16,T7 |
Idle |
68 |
Covered |
T1,T2,T3 |
transitions | Line No. | Covered | Tests |
AckPls->Disabled |
107 |
Covered |
T208 |
AckPls->Error |
99 |
Not Covered |
|
AckPls->Idle |
85 |
Covered |
T3,T28,T40 |
DataWait->AckPls |
80 |
Covered |
T3,T28,T40 |
DataWait->Disabled |
107 |
Covered |
T28,T15,T86 |
DataWait->Error |
99 |
Covered |
T64,T225 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T17,T20,T21 |
EndPointClear->Disabled |
107 |
Covered |
T122,T209,T210 |
EndPointClear->Error |
99 |
Covered |
T7,T17,T20 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T3,T28,T40 |
Idle->Disabled |
107 |
Covered |
T4,T18,T10 |
Idle->Error |
99 |
Covered |
T5,T16,T17 |
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,T28,T40 |
Idle |
- |
1 |
0 |
- |
Covered |
T3,T28,T40 |
Idle |
- |
0 |
- |
- |
Covered |
T1,T2,T3 |
DataWait |
- |
- |
- |
1 |
Covered |
T3,T28,T40 |
DataWait |
- |
- |
- |
0 |
Covered |
T3,T28,T40 |
AckPls |
- |
- |
- |
- |
Covered |
T3,T28,T40 |
Error |
- |
- |
- |
- |
Covered |
T5,T16,T7 |
default |
- |
- |
- |
- |
Covered |
T17,T20,T21 |
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 |
T5,T16,T7 |
0 |
1 |
Covered |
T4,T18,T28 |
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 |
10609786 |
155841 |
0 |
0 |
T5 |
2395 |
724 |
0 |
0 |
T6 |
15376 |
0 |
0 |
0 |
T7 |
1824 |
853 |
0 |
0 |
T8 |
0 |
1080 |
0 |
0 |
T11 |
2540 |
0 |
0 |
0 |
T16 |
1863 |
1102 |
0 |
0 |
T17 |
27531 |
10748 |
0 |
0 |
T19 |
2322 |
0 |
0 |
0 |
T20 |
0 |
21593 |
0 |
0 |
T21 |
0 |
14269 |
0 |
0 |
T31 |
1563 |
0 |
0 |
0 |
T40 |
3356 |
0 |
0 |
0 |
T56 |
928 |
0 |
0 |
0 |
T58 |
0 |
231 |
0 |
0 |
T71 |
0 |
1068 |
0 |
0 |
T207 |
0 |
360 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
10609786 |
157010 |
0 |
0 |
T5 |
2395 |
725 |
0 |
0 |
T6 |
15376 |
0 |
0 |
0 |
T7 |
1824 |
854 |
0 |
0 |
T8 |
0 |
1081 |
0 |
0 |
T11 |
2540 |
0 |
0 |
0 |
T16 |
1863 |
1103 |
0 |
0 |
T17 |
27531 |
10878 |
0 |
0 |
T19 |
2322 |
0 |
0 |
0 |
T20 |
0 |
21853 |
0 |
0 |
T21 |
0 |
14529 |
0 |
0 |
T31 |
1563 |
0 |
0 |
0 |
T40 |
3356 |
0 |
0 |
0 |
T56 |
928 |
0 |
0 |
0 |
T58 |
0 |
232 |
0 |
0 |
T71 |
0 |
1069 |
0 |
0 |
T207 |
0 |
361 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
10609786 |
10420700 |
0 |
0 |
T1 |
1410 |
1352 |
0 |
0 |
T2 |
1470 |
1416 |
0 |
0 |
T3 |
2462 |
2391 |
0 |
0 |
T4 |
1132 |
1003 |
0 |
0 |
T5 |
2395 |
2239 |
0 |
0 |
T10 |
3107 |
3040 |
0 |
0 |
T18 |
2023 |
1953 |
0 |
0 |
T28 |
719 |
619 |
0 |
0 |
T29 |
1623 |
1536 |
0 |
0 |
T30 |
1816 |
1724 |
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: T3 T40 T53
73 1/1 fifo_pop_o = 1'b1;
Tests: T3 T40 T53
74 end
MISSING_ELSE
75 1/1 state_d = DataWait;
Tests: T3 T40 T53
76 end
MISSING_ELSE
77 end
78 DataWait: begin
79 1/1 if (fifo_not_empty_i) begin
Tests: T3 T40 T53
80 1/1 state_d = AckPls;
Tests: T3 T40 T53
81 end
MISSING_ELSE
82 end
83 AckPls: begin
84 1/1 ack_o = 1'b1;
Tests: T3 T40 T53
85 1/1 state_d = Idle;
Tests: T3 T40 T53
86 end
87 Error: begin
88 1/1 ack_sm_err_o = 1'b1;
Tests: T5 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: T5 T16 T7
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T5 T16 T7
102 1/1 fifo_clr_o = 1'b0;
Tests: T5 T16 T7
103 1/1 fifo_pop_o = 1'b0;
Tests: T5 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: T4 T18 T28
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T4 T18 T28
110 1/1 fifo_pop_o = 1'b0;
Tests: T4 T18 T28
111 1/1 fifo_clr_o = 1'b0;
Tests: T4 T18 T28
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 | T4,T18,T28 |
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 |
T3,T40,T53 |
DataWait |
75 |
Covered |
T3,T40,T53 |
Disabled |
107 |
Covered |
T1,T2,T3 |
EndPointClear |
63 |
Covered |
T1,T2,T3 |
Error |
99 |
Covered |
T5,T16,T7 |
Idle |
68 |
Covered |
T1,T2,T3 |
transitions | Line No. | Covered | Tests |
AckPls->Disabled |
107 |
Covered |
T91 |
AckPls->Error |
99 |
Not Covered |
|
AckPls->Idle |
85 |
Covered |
T3,T40,T53 |
DataWait->AckPls |
80 |
Covered |
T3,T40,T53 |
DataWait->Disabled |
107 |
Covered |
T53,T52,T23 |
DataWait->Error |
99 |
Covered |
T195,T205,T226 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T17,T20,T21 |
EndPointClear->Disabled |
107 |
Covered |
T122,T209,T210 |
EndPointClear->Error |
99 |
Covered |
T7,T17,T20 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T3,T40,T53 |
Idle->Disabled |
107 |
Covered |
T4,T18,T28 |
Idle->Error |
99 |
Covered |
T5,T16,T17 |
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 |
T3,T40,T53 |
Idle |
- |
1 |
0 |
- |
Covered |
T3,T40,T53 |
Idle |
- |
0 |
- |
- |
Covered |
T1,T2,T3 |
DataWait |
- |
- |
- |
1 |
Covered |
T3,T40,T53 |
DataWait |
- |
- |
- |
0 |
Covered |
T3,T40,T53 |
AckPls |
- |
- |
- |
- |
Covered |
T3,T40,T53 |
Error |
- |
- |
- |
- |
Covered |
T5,T16,T7 |
default |
- |
- |
- |
- |
Covered |
T17,T20,T21 |
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 |
T5,T16,T7 |
0 |
1 |
Covered |
T4,T18,T28 |
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 |
10609786 |
155841 |
0 |
0 |
T5 |
2395 |
724 |
0 |
0 |
T6 |
15376 |
0 |
0 |
0 |
T7 |
1824 |
853 |
0 |
0 |
T8 |
0 |
1080 |
0 |
0 |
T11 |
2540 |
0 |
0 |
0 |
T16 |
1863 |
1102 |
0 |
0 |
T17 |
27531 |
10748 |
0 |
0 |
T19 |
2322 |
0 |
0 |
0 |
T20 |
0 |
21593 |
0 |
0 |
T21 |
0 |
14269 |
0 |
0 |
T31 |
1563 |
0 |
0 |
0 |
T40 |
3356 |
0 |
0 |
0 |
T56 |
928 |
0 |
0 |
0 |
T58 |
0 |
231 |
0 |
0 |
T71 |
0 |
1068 |
0 |
0 |
T207 |
0 |
360 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
10609786 |
157010 |
0 |
0 |
T5 |
2395 |
725 |
0 |
0 |
T6 |
15376 |
0 |
0 |
0 |
T7 |
1824 |
854 |
0 |
0 |
T8 |
0 |
1081 |
0 |
0 |
T11 |
2540 |
0 |
0 |
0 |
T16 |
1863 |
1103 |
0 |
0 |
T17 |
27531 |
10878 |
0 |
0 |
T19 |
2322 |
0 |
0 |
0 |
T20 |
0 |
21853 |
0 |
0 |
T21 |
0 |
14529 |
0 |
0 |
T31 |
1563 |
0 |
0 |
0 |
T40 |
3356 |
0 |
0 |
0 |
T56 |
928 |
0 |
0 |
0 |
T58 |
0 |
232 |
0 |
0 |
T71 |
0 |
1069 |
0 |
0 |
T207 |
0 |
361 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
10609786 |
10420700 |
0 |
0 |
T1 |
1410 |
1352 |
0 |
0 |
T2 |
1470 |
1416 |
0 |
0 |
T3 |
2462 |
2391 |
0 |
0 |
T4 |
1132 |
1003 |
0 |
0 |
T5 |
2395 |
2239 |
0 |
0 |
T10 |
3107 |
3040 |
0 |
0 |
T18 |
2023 |
1953 |
0 |
0 |
T28 |
719 |
619 |
0 |
0 |
T29 |
1623 |
1536 |
0 |
0 |
T30 |
1816 |
1724 |
0 |
0 |