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 T31
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 T31
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T6 T16 T31
102 1/1 fifo_clr_o = 1'b0;
Tests: T6 T16 T31
103 1/1 fifo_pop_o = 1'b0;
Tests: T6 T16 T31
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 T9 T6
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T5 T9 T6
110 1/1 fifo_pop_o = 1'b0;
Tests: T5 T9 T6
111 1/1 fifo_clr_o = 1'b0;
Tests: T5 T9 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,T9,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
| | | |
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,T31 |
Idle |
68 |
Covered |
T1,T2,T3 |
| | | |
AckPls->Disabled |
107 |
Covered |
T210,T211 |
AckPls->Error |
99 |
Not Covered |
|
AckPls->Idle |
85 |
Covered |
T1,T2,T3 |
DataWait->AckPls |
80 |
Covered |
T1,T2,T3 |
DataWait->Disabled |
107 |
Covered |
T14,T45,T19 |
DataWait->Error |
99 |
Covered |
T7,T61,T173 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T16,T17,T18 |
EndPointClear->Disabled |
107 |
Covered |
T212,T119,T108 |
EndPointClear->Error |
99 |
Covered |
T16,T17,T18 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T1,T2,T3 |
Idle->Disabled |
107 |
Covered |
T4,T5,T9 |
Idle->Error |
99 |
Covered |
T6,T16,T31 |
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,T31 |
default |
- |
- |
- |
- |
Covered |
T6,T16,T17 |
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,T31 |
0 |
1 |
Covered |
T5,T9,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 |
1392663006 |
960101 |
0 |
0 |
T6 |
17479 |
7608 |
0 |
0 |
T7 |
0 |
8057 |
0 |
0 |
T10 |
21609 |
0 |
0 |
0 |
T16 |
352163 |
154168 |
0 |
0 |
T17 |
0 |
68075 |
0 |
0 |
T18 |
0 |
46193 |
0 |
0 |
T24 |
4648 |
0 |
0 |
0 |
T25 |
8512 |
0 |
0 |
0 |
T26 |
6853 |
0 |
0 |
0 |
T30 |
25095 |
0 |
0 |
0 |
T31 |
14882 |
7756 |
0 |
0 |
T56 |
79506 |
0 |
0 |
0 |
T67 |
7672 |
0 |
0 |
0 |
T68 |
0 |
4066 |
0 |
0 |
T69 |
0 |
4381 |
0 |
0 |
T70 |
0 |
4542 |
0 |
0 |
T209 |
0 |
7720 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1392663006 |
966457 |
0 |
0 |
T6 |
17479 |
7615 |
0 |
0 |
T7 |
0 |
8064 |
0 |
0 |
T10 |
21609 |
0 |
0 |
0 |
T16 |
352163 |
155988 |
0 |
0 |
T17 |
0 |
68985 |
0 |
0 |
T18 |
0 |
47103 |
0 |
0 |
T24 |
4648 |
0 |
0 |
0 |
T25 |
8512 |
0 |
0 |
0 |
T26 |
6853 |
0 |
0 |
0 |
T30 |
25095 |
0 |
0 |
0 |
T31 |
14882 |
7763 |
0 |
0 |
T56 |
79506 |
0 |
0 |
0 |
T67 |
7672 |
0 |
0 |
0 |
T68 |
0 |
4073 |
0 |
0 |
T69 |
0 |
4388 |
0 |
0 |
T70 |
0 |
4549 |
0 |
0 |
T209 |
0 |
7727 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1392626099 |
1391460249 |
0 |
0 |
T1 |
9632 |
9044 |
0 |
0 |
T2 |
8484 |
8120 |
0 |
0 |
T3 |
15386 |
14798 |
0 |
0 |
T4 |
41272 |
39690 |
0 |
0 |
T5 |
4818 |
3803 |
0 |
0 |
T6 |
17174 |
16082 |
0 |
0 |
T9 |
12369 |
11928 |
0 |
0 |
T10 |
21609 |
20958 |
0 |
0 |
T24 |
4648 |
4116 |
0 |
0 |
T25 |
8512 |
7875 |
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 T31
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 T31
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T6 T16 T31
102 1/1 fifo_clr_o = 1'b0;
Tests: T6 T16 T31
103 1/1 fifo_pop_o = 1'b0;
Tests: T6 T16 T31
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 T9 T6
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T5 T9 T6
110 1/1 fifo_pop_o = 1'b0;
Tests: T5 T9 T6
111 1/1 fifo_clr_o = 1'b0;
Tests: T5 T9 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,T9,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
| | | |
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,T31 |
Idle |
68 |
Covered |
T1,T2,T3 |
| | | |
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 |
T184,T213,T214 |
DataWait->Error |
99 |
Covered |
T7,T61,T215 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T16,T17,T18 |
EndPointClear->Disabled |
107 |
Covered |
T212,T119,T108 |
EndPointClear->Error |
99 |
Covered |
T16,T17,T18 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T1,T2,T3 |
Idle->Disabled |
107 |
Covered |
T4,T5,T9 |
Idle->Error |
99 |
Covered |
T16,T31,T17 |
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,T31 |
default |
- |
- |
- |
- |
Covered |
T6,T16,T17 |
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,T31 |
0 |
1 |
Covered |
T5,T9,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 |
198951858 |
135143 |
0 |
0 |
T6 |
2497 |
1044 |
0 |
0 |
T7 |
0 |
1151 |
0 |
0 |
T10 |
3087 |
0 |
0 |
0 |
T16 |
50309 |
22024 |
0 |
0 |
T17 |
0 |
9725 |
0 |
0 |
T18 |
0 |
6599 |
0 |
0 |
T24 |
664 |
0 |
0 |
0 |
T25 |
1216 |
0 |
0 |
0 |
T26 |
979 |
0 |
0 |
0 |
T30 |
3585 |
0 |
0 |
0 |
T31 |
2126 |
1108 |
0 |
0 |
T56 |
11358 |
0 |
0 |
0 |
T67 |
1096 |
0 |
0 |
0 |
T68 |
0 |
538 |
0 |
0 |
T69 |
0 |
583 |
0 |
0 |
T70 |
0 |
606 |
0 |
0 |
T209 |
0 |
1060 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
198951858 |
136051 |
0 |
0 |
T6 |
2497 |
1045 |
0 |
0 |
T7 |
0 |
1152 |
0 |
0 |
T10 |
3087 |
0 |
0 |
0 |
T16 |
50309 |
22284 |
0 |
0 |
T17 |
0 |
9855 |
0 |
0 |
T18 |
0 |
6729 |
0 |
0 |
T24 |
664 |
0 |
0 |
0 |
T25 |
1216 |
0 |
0 |
0 |
T26 |
979 |
0 |
0 |
0 |
T30 |
3585 |
0 |
0 |
0 |
T31 |
2126 |
1109 |
0 |
0 |
T56 |
11358 |
0 |
0 |
0 |
T67 |
1096 |
0 |
0 |
0 |
T68 |
0 |
539 |
0 |
0 |
T69 |
0 |
584 |
0 |
0 |
T70 |
0 |
607 |
0 |
0 |
T209 |
0 |
1061 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
198914951 |
198748401 |
0 |
0 |
T1 |
1376 |
1292 |
0 |
0 |
T2 |
1212 |
1160 |
0 |
0 |
T3 |
2198 |
2114 |
0 |
0 |
T4 |
5896 |
5670 |
0 |
0 |
T5 |
642 |
497 |
0 |
0 |
T6 |
2192 |
2036 |
0 |
0 |
T9 |
1767 |
1704 |
0 |
0 |
T10 |
3087 |
2994 |
0 |
0 |
T24 |
664 |
588 |
0 |
0 |
T25 |
1216 |
1125 |
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 T9 T30
73 1/1 fifo_pop_o = 1'b1;
Tests: T3 T9 T30
74 end
MISSING_ELSE
75 1/1 state_d = DataWait;
Tests: T3 T9 T30
76 end
MISSING_ELSE
77 end
78 DataWait: begin
79 1/1 if (fifo_not_empty_i) begin
Tests: T3 T9 T30
80 1/1 state_d = AckPls;
Tests: T3 T9 T30
81 end
MISSING_ELSE
82 end
83 AckPls: begin
84 1/1 ack_o = 1'b1;
Tests: T3 T9 T30
85 1/1 state_d = Idle;
Tests: T3 T9 T30
86 end
87 Error: begin
88 1/1 ack_sm_err_o = 1'b1;
Tests: T6 T16 T31
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 T31
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T6 T16 T31
102 1/1 fifo_clr_o = 1'b0;
Tests: T6 T16 T31
103 1/1 fifo_pop_o = 1'b0;
Tests: T6 T16 T31
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 T9 T6
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T5 T9 T6
110 1/1 fifo_pop_o = 1'b0;
Tests: T5 T9 T6
111 1/1 fifo_clr_o = 1'b0;
Tests: T5 T9 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,T9,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 |
12 |
85.71 |
|
Sequences |
0 |
0 |
|
|
State, Transition and Sequence Details for FSM :: state_q
| | | |
AckPls |
80 |
Covered |
T3,T9,T30 |
DataWait |
75 |
Covered |
T3,T9,T30 |
Disabled |
107 |
Covered |
T1,T2,T3 |
EndPointClear |
63 |
Covered |
T1,T2,T3 |
Error |
99 |
Covered |
T6,T16,T31 |
Idle |
68 |
Covered |
T1,T2,T3 |
| | | |
AckPls->Disabled |
107 |
Not Covered |
|
AckPls->Error |
99 |
Not Covered |
|
AckPls->Idle |
85 |
Covered |
T3,T9,T30 |
DataWait->AckPls |
80 |
Covered |
T3,T9,T30 |
DataWait->Disabled |
107 |
Covered |
T14,T80,T216 |
DataWait->Error |
99 |
Covered |
T173,T149,T162 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T16,T17,T18 |
EndPointClear->Disabled |
107 |
Covered |
T212,T119,T108 |
EndPointClear->Error |
99 |
Covered |
T16,T17,T18 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T3,T9,T30 |
Idle->Disabled |
107 |
Covered |
T4,T5,T9 |
Idle->Error |
99 |
Covered |
T6,T16,T31 |
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,T9,T30 |
Idle |
- |
1 |
0 |
- |
Covered |
T3,T9,T30 |
Idle |
- |
0 |
- |
- |
Covered |
T1,T2,T3 |
DataWait |
- |
- |
- |
1 |
Covered |
T3,T9,T30 |
DataWait |
- |
- |
- |
0 |
Covered |
T3,T9,T30 |
AckPls |
- |
- |
- |
- |
Covered |
T3,T9,T30 |
Error |
- |
- |
- |
- |
Covered |
T6,T16,T31 |
default |
- |
- |
- |
- |
Covered |
T16,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,T31 |
0 |
1 |
Covered |
T5,T9,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 |
198951858 |
137493 |
0 |
0 |
T6 |
2497 |
1094 |
0 |
0 |
T7 |
0 |
1151 |
0 |
0 |
T10 |
3087 |
0 |
0 |
0 |
T16 |
50309 |
22024 |
0 |
0 |
T17 |
0 |
9725 |
0 |
0 |
T18 |
0 |
6599 |
0 |
0 |
T24 |
664 |
0 |
0 |
0 |
T25 |
1216 |
0 |
0 |
0 |
T26 |
979 |
0 |
0 |
0 |
T30 |
3585 |
0 |
0 |
0 |
T31 |
2126 |
1108 |
0 |
0 |
T56 |
11358 |
0 |
0 |
0 |
T67 |
1096 |
0 |
0 |
0 |
T68 |
0 |
588 |
0 |
0 |
T69 |
0 |
633 |
0 |
0 |
T70 |
0 |
656 |
0 |
0 |
T209 |
0 |
1110 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
198951858 |
138401 |
0 |
0 |
T6 |
2497 |
1095 |
0 |
0 |
T7 |
0 |
1152 |
0 |
0 |
T10 |
3087 |
0 |
0 |
0 |
T16 |
50309 |
22284 |
0 |
0 |
T17 |
0 |
9855 |
0 |
0 |
T18 |
0 |
6729 |
0 |
0 |
T24 |
664 |
0 |
0 |
0 |
T25 |
1216 |
0 |
0 |
0 |
T26 |
979 |
0 |
0 |
0 |
T30 |
3585 |
0 |
0 |
0 |
T31 |
2126 |
1109 |
0 |
0 |
T56 |
11358 |
0 |
0 |
0 |
T67 |
1096 |
0 |
0 |
0 |
T68 |
0 |
589 |
0 |
0 |
T69 |
0 |
634 |
0 |
0 |
T70 |
0 |
657 |
0 |
0 |
T209 |
0 |
1111 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
198951858 |
198785308 |
0 |
0 |
T1 |
1376 |
1292 |
0 |
0 |
T2 |
1212 |
1160 |
0 |
0 |
T3 |
2198 |
2114 |
0 |
0 |
T4 |
5896 |
5670 |
0 |
0 |
T5 |
696 |
551 |
0 |
0 |
T6 |
2497 |
2341 |
0 |
0 |
T9 |
1767 |
1704 |
0 |
0 |
T10 |
3087 |
2994 |
0 |
0 |
T24 |
664 |
588 |
0 |
0 |
T25 |
1216 |
1125 |
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: T6 T45 T48
73 1/1 fifo_pop_o = 1'b1;
Tests: T45 T48 T46
74 end
MISSING_ELSE
75 1/1 state_d = DataWait;
Tests: T6 T45 T48
76 end
MISSING_ELSE
77 end
78 DataWait: begin
79 1/1 if (fifo_not_empty_i) begin
Tests: T6 T45 T48
80 1/1 state_d = AckPls;
Tests: T45 T48 T46
81 end
MISSING_ELSE
82 end
83 AckPls: begin
84 1/1 ack_o = 1'b1;
Tests: T45 T48 T46
85 1/1 state_d = Idle;
Tests: T45 T48 T46
86 end
87 Error: begin
88 1/1 ack_sm_err_o = 1'b1;
Tests: T6 T16 T31
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 T31
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T6 T16 T31
102 1/1 fifo_clr_o = 1'b0;
Tests: T6 T16 T31
103 1/1 fifo_pop_o = 1'b0;
Tests: T6 T16 T31
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 T9 T6
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T5 T9 T6
110 1/1 fifo_pop_o = 1'b0;
Tests: T5 T9 T6
111 1/1 fifo_clr_o = 1'b0;
Tests: T5 T9 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,T9,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 |
12 |
85.71 |
|
Sequences |
0 |
0 |
|
|
State, Transition and Sequence Details for FSM :: state_q
| | | |
AckPls |
80 |
Covered |
T45,T48,T46 |
DataWait |
75 |
Covered |
T6,T45,T48 |
Disabled |
107 |
Covered |
T1,T2,T3 |
EndPointClear |
63 |
Covered |
T1,T2,T3 |
Error |
99 |
Covered |
T6,T16,T31 |
Idle |
68 |
Covered |
T1,T2,T3 |
| | | |
AckPls->Disabled |
107 |
Not Covered |
|
AckPls->Error |
99 |
Not Covered |
|
AckPls->Idle |
85 |
Covered |
T45,T48,T46 |
DataWait->AckPls |
80 |
Covered |
T45,T48,T46 |
DataWait->Disabled |
107 |
Covered |
T45,T217,T218 |
DataWait->Error |
99 |
Covered |
T6,T134,T219 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T16,T17,T18 |
EndPointClear->Disabled |
107 |
Covered |
T212,T119,T108 |
EndPointClear->Error |
99 |
Covered |
T16,T17,T18 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T6,T45,T48 |
Idle->Disabled |
107 |
Covered |
T4,T5,T9 |
Idle->Error |
99 |
Covered |
T16,T31,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 |
T45,T48,T46 |
Idle |
- |
1 |
0 |
- |
Covered |
T6,T45,T48 |
Idle |
- |
0 |
- |
- |
Covered |
T1,T2,T3 |
DataWait |
- |
- |
- |
1 |
Covered |
T45,T48,T46 |
DataWait |
- |
- |
- |
0 |
Covered |
T6,T45,T48 |
AckPls |
- |
- |
- |
- |
Covered |
T45,T48,T46 |
Error |
- |
- |
- |
- |
Covered |
T6,T16,T31 |
default |
- |
- |
- |
- |
Covered |
T16,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,T31 |
0 |
1 |
Covered |
T5,T9,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 |
198951858 |
137493 |
0 |
0 |
T6 |
2497 |
1094 |
0 |
0 |
T7 |
0 |
1151 |
0 |
0 |
T10 |
3087 |
0 |
0 |
0 |
T16 |
50309 |
22024 |
0 |
0 |
T17 |
0 |
9725 |
0 |
0 |
T18 |
0 |
6599 |
0 |
0 |
T24 |
664 |
0 |
0 |
0 |
T25 |
1216 |
0 |
0 |
0 |
T26 |
979 |
0 |
0 |
0 |
T30 |
3585 |
0 |
0 |
0 |
T31 |
2126 |
1108 |
0 |
0 |
T56 |
11358 |
0 |
0 |
0 |
T67 |
1096 |
0 |
0 |
0 |
T68 |
0 |
588 |
0 |
0 |
T69 |
0 |
633 |
0 |
0 |
T70 |
0 |
656 |
0 |
0 |
T209 |
0 |
1110 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
198951858 |
138401 |
0 |
0 |
T6 |
2497 |
1095 |
0 |
0 |
T7 |
0 |
1152 |
0 |
0 |
T10 |
3087 |
0 |
0 |
0 |
T16 |
50309 |
22284 |
0 |
0 |
T17 |
0 |
9855 |
0 |
0 |
T18 |
0 |
6729 |
0 |
0 |
T24 |
664 |
0 |
0 |
0 |
T25 |
1216 |
0 |
0 |
0 |
T26 |
979 |
0 |
0 |
0 |
T30 |
3585 |
0 |
0 |
0 |
T31 |
2126 |
1109 |
0 |
0 |
T56 |
11358 |
0 |
0 |
0 |
T67 |
1096 |
0 |
0 |
0 |
T68 |
0 |
589 |
0 |
0 |
T69 |
0 |
634 |
0 |
0 |
T70 |
0 |
657 |
0 |
0 |
T209 |
0 |
1111 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
198951858 |
198785308 |
0 |
0 |
T1 |
1376 |
1292 |
0 |
0 |
T2 |
1212 |
1160 |
0 |
0 |
T3 |
2198 |
2114 |
0 |
0 |
T4 |
5896 |
5670 |
0 |
0 |
T5 |
696 |
551 |
0 |
0 |
T6 |
2497 |
2341 |
0 |
0 |
T9 |
1767 |
1704 |
0 |
0 |
T10 |
3087 |
2994 |
0 |
0 |
T24 |
664 |
588 |
0 |
0 |
T25 |
1216 |
1125 |
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 T31 T52
73 1/1 fifo_pop_o = 1'b1;
Tests: T3 T31 T52
74 end
MISSING_ELSE
75 1/1 state_d = DataWait;
Tests: T3 T31 T52
76 end
MISSING_ELSE
77 end
78 DataWait: begin
79 1/1 if (fifo_not_empty_i) begin
Tests: T3 T31 T52
80 1/1 state_d = AckPls;
Tests: T3 T31 T52
81 end
MISSING_ELSE
82 end
83 AckPls: begin
84 1/1 ack_o = 1'b1;
Tests: T3 T31 T52
85 1/1 state_d = Idle;
Tests: T3 T31 T52
86 end
87 Error: begin
88 1/1 ack_sm_err_o = 1'b1;
Tests: T6 T16 T31
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 T31
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T6 T16 T31
102 1/1 fifo_clr_o = 1'b0;
Tests: T6 T16 T31
103 1/1 fifo_pop_o = 1'b0;
Tests: T6 T16 T31
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 T9 T6
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T5 T9 T6
110 1/1 fifo_pop_o = 1'b0;
Tests: T5 T9 T6
111 1/1 fifo_clr_o = 1'b0;
Tests: T5 T9 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,T9,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 |
12 |
85.71 |
|
Sequences |
0 |
0 |
|
|
State, Transition and Sequence Details for FSM :: state_q
| | | |
AckPls |
80 |
Covered |
T3,T31,T52 |
DataWait |
75 |
Covered |
T3,T31,T52 |
Disabled |
107 |
Covered |
T1,T2,T3 |
EndPointClear |
63 |
Covered |
T1,T2,T3 |
Error |
99 |
Covered |
T6,T16,T31 |
Idle |
68 |
Covered |
T1,T2,T3 |
| | | |
AckPls->Disabled |
107 |
Not Covered |
|
AckPls->Error |
99 |
Not Covered |
|
AckPls->Idle |
85 |
Covered |
T3,T31,T52 |
DataWait->AckPls |
80 |
Covered |
T3,T31,T52 |
DataWait->Disabled |
107 |
Covered |
T94 |
DataWait->Error |
99 |
Covered |
T220,T221,T222 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T16,T17,T18 |
EndPointClear->Disabled |
107 |
Covered |
T212,T119,T108 |
EndPointClear->Error |
99 |
Covered |
T16,T17,T18 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T3,T31,T52 |
Idle->Disabled |
107 |
Covered |
T4,T5,T9 |
Idle->Error |
99 |
Covered |
T6,T16,T31 |
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,T31,T52 |
Idle |
- |
1 |
0 |
- |
Covered |
T3,T31,T52 |
Idle |
- |
0 |
- |
- |
Covered |
T1,T2,T3 |
DataWait |
- |
- |
- |
1 |
Covered |
T3,T31,T52 |
DataWait |
- |
- |
- |
0 |
Covered |
T3,T52,T91 |
AckPls |
- |
- |
- |
- |
Covered |
T3,T31,T52 |
Error |
- |
- |
- |
- |
Covered |
T6,T16,T31 |
default |
- |
- |
- |
- |
Covered |
T16,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,T31 |
0 |
1 |
Covered |
T5,T9,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 |
198951858 |
137493 |
0 |
0 |
T6 |
2497 |
1094 |
0 |
0 |
T7 |
0 |
1151 |
0 |
0 |
T10 |
3087 |
0 |
0 |
0 |
T16 |
50309 |
22024 |
0 |
0 |
T17 |
0 |
9725 |
0 |
0 |
T18 |
0 |
6599 |
0 |
0 |
T24 |
664 |
0 |
0 |
0 |
T25 |
1216 |
0 |
0 |
0 |
T26 |
979 |
0 |
0 |
0 |
T30 |
3585 |
0 |
0 |
0 |
T31 |
2126 |
1108 |
0 |
0 |
T56 |
11358 |
0 |
0 |
0 |
T67 |
1096 |
0 |
0 |
0 |
T68 |
0 |
588 |
0 |
0 |
T69 |
0 |
633 |
0 |
0 |
T70 |
0 |
656 |
0 |
0 |
T209 |
0 |
1110 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
198951858 |
138401 |
0 |
0 |
T6 |
2497 |
1095 |
0 |
0 |
T7 |
0 |
1152 |
0 |
0 |
T10 |
3087 |
0 |
0 |
0 |
T16 |
50309 |
22284 |
0 |
0 |
T17 |
0 |
9855 |
0 |
0 |
T18 |
0 |
6729 |
0 |
0 |
T24 |
664 |
0 |
0 |
0 |
T25 |
1216 |
0 |
0 |
0 |
T26 |
979 |
0 |
0 |
0 |
T30 |
3585 |
0 |
0 |
0 |
T31 |
2126 |
1109 |
0 |
0 |
T56 |
11358 |
0 |
0 |
0 |
T67 |
1096 |
0 |
0 |
0 |
T68 |
0 |
589 |
0 |
0 |
T69 |
0 |
634 |
0 |
0 |
T70 |
0 |
657 |
0 |
0 |
T209 |
0 |
1111 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
198951858 |
198785308 |
0 |
0 |
T1 |
1376 |
1292 |
0 |
0 |
T2 |
1212 |
1160 |
0 |
0 |
T3 |
2198 |
2114 |
0 |
0 |
T4 |
5896 |
5670 |
0 |
0 |
T5 |
696 |
551 |
0 |
0 |
T6 |
2497 |
2341 |
0 |
0 |
T9 |
1767 |
1704 |
0 |
0 |
T10 |
3087 |
2994 |
0 |
0 |
T24 |
664 |
588 |
0 |
0 |
T25 |
1216 |
1125 |
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 T10 T8
73 1/1 fifo_pop_o = 1'b1;
Tests: T3 T10 T21
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 T21
81 end
MISSING_ELSE
82 end
83 AckPls: begin
84 1/1 ack_o = 1'b1;
Tests: T3 T10 T21
85 1/1 state_d = Idle;
Tests: T3 T10 T21
86 end
87 Error: begin
88 1/1 ack_sm_err_o = 1'b1;
Tests: T6 T16 T31
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 T31
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T6 T16 T31
102 1/1 fifo_clr_o = 1'b0;
Tests: T6 T16 T31
103 1/1 fifo_pop_o = 1'b0;
Tests: T6 T16 T31
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 T9 T6
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T5 T9 T6
110 1/1 fifo_pop_o = 1'b0;
Tests: T5 T9 T6
111 1/1 fifo_clr_o = 1'b0;
Tests: T5 T9 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,T9,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
| | | |
AckPls |
80 |
Covered |
T3,T10,T21 |
DataWait |
75 |
Covered |
T3,T10,T8 |
Disabled |
107 |
Covered |
T1,T2,T3 |
EndPointClear |
63 |
Covered |
T1,T2,T3 |
Error |
99 |
Covered |
T6,T16,T31 |
Idle |
68 |
Covered |
T1,T2,T3 |
| | | |
AckPls->Disabled |
107 |
Not Covered |
|
AckPls->Error |
99 |
Not Covered |
|
AckPls->Idle |
85 |
Covered |
T3,T10,T21 |
DataWait->AckPls |
80 |
Covered |
T3,T10,T21 |
DataWait->Disabled |
107 |
Covered |
T54,T223,T224 |
DataWait->Error |
99 |
Covered |
T8 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T16,T17,T18 |
EndPointClear->Disabled |
107 |
Covered |
T212,T119,T108 |
EndPointClear->Error |
99 |
Covered |
T16,T17,T18 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T3,T10,T8 |
Idle->Disabled |
107 |
Covered |
T4,T5,T9 |
Idle->Error |
99 |
Covered |
T6,T16,T31 |
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,T10,T21 |
Idle |
- |
1 |
0 |
- |
Covered |
T3,T10,T8 |
Idle |
- |
0 |
- |
- |
Covered |
T1,T2,T3 |
DataWait |
- |
- |
- |
1 |
Covered |
T3,T10,T21 |
DataWait |
- |
- |
- |
0 |
Covered |
T3,T10,T8 |
AckPls |
- |
- |
- |
- |
Covered |
T3,T10,T21 |
Error |
- |
- |
- |
- |
Covered |
T6,T16,T31 |
default |
- |
- |
- |
- |
Covered |
T16,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,T31 |
0 |
1 |
Covered |
T5,T9,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 |
198951858 |
137493 |
0 |
0 |
T6 |
2497 |
1094 |
0 |
0 |
T7 |
0 |
1151 |
0 |
0 |
T10 |
3087 |
0 |
0 |
0 |
T16 |
50309 |
22024 |
0 |
0 |
T17 |
0 |
9725 |
0 |
0 |
T18 |
0 |
6599 |
0 |
0 |
T24 |
664 |
0 |
0 |
0 |
T25 |
1216 |
0 |
0 |
0 |
T26 |
979 |
0 |
0 |
0 |
T30 |
3585 |
0 |
0 |
0 |
T31 |
2126 |
1108 |
0 |
0 |
T56 |
11358 |
0 |
0 |
0 |
T67 |
1096 |
0 |
0 |
0 |
T68 |
0 |
588 |
0 |
0 |
T69 |
0 |
633 |
0 |
0 |
T70 |
0 |
656 |
0 |
0 |
T209 |
0 |
1110 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
198951858 |
138401 |
0 |
0 |
T6 |
2497 |
1095 |
0 |
0 |
T7 |
0 |
1152 |
0 |
0 |
T10 |
3087 |
0 |
0 |
0 |
T16 |
50309 |
22284 |
0 |
0 |
T17 |
0 |
9855 |
0 |
0 |
T18 |
0 |
6729 |
0 |
0 |
T24 |
664 |
0 |
0 |
0 |
T25 |
1216 |
0 |
0 |
0 |
T26 |
979 |
0 |
0 |
0 |
T30 |
3585 |
0 |
0 |
0 |
T31 |
2126 |
1109 |
0 |
0 |
T56 |
11358 |
0 |
0 |
0 |
T67 |
1096 |
0 |
0 |
0 |
T68 |
0 |
589 |
0 |
0 |
T69 |
0 |
634 |
0 |
0 |
T70 |
0 |
657 |
0 |
0 |
T209 |
0 |
1111 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
198951858 |
198785308 |
0 |
0 |
T1 |
1376 |
1292 |
0 |
0 |
T2 |
1212 |
1160 |
0 |
0 |
T3 |
2198 |
2114 |
0 |
0 |
T4 |
5896 |
5670 |
0 |
0 |
T5 |
696 |
551 |
0 |
0 |
T6 |
2497 |
2341 |
0 |
0 |
T9 |
1767 |
1704 |
0 |
0 |
T10 |
3087 |
2994 |
0 |
0 |
T24 |
664 |
588 |
0 |
0 |
T25 |
1216 |
1125 |
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: T3 T5 T30
73 1/1 fifo_pop_o = 1'b1;
Tests: T3 T5 T30
74 end
MISSING_ELSE
75 1/1 state_d = DataWait;
Tests: T3 T5 T30
76 end
MISSING_ELSE
77 end
78 DataWait: begin
79 1/1 if (fifo_not_empty_i) begin
Tests: T3 T5 T30
80 1/1 state_d = AckPls;
Tests: T3 T5 T30
81 end
MISSING_ELSE
82 end
83 AckPls: begin
84 1/1 ack_o = 1'b1;
Tests: T3 T5 T30
85 1/1 state_d = Idle;
Tests: T3 T5 T30
86 end
87 Error: begin
88 1/1 ack_sm_err_o = 1'b1;
Tests: T6 T16 T31
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 T31
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T6 T16 T31
102 1/1 fifo_clr_o = 1'b0;
Tests: T6 T16 T31
103 1/1 fifo_pop_o = 1'b0;
Tests: T6 T16 T31
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 T9 T6
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T5 T9 T6
110 1/1 fifo_pop_o = 1'b0;
Tests: T5 T9 T6
111 1/1 fifo_clr_o = 1'b0;
Tests: T5 T9 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,T9,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 |
13 |
92.86 |
|
Sequences |
0 |
0 |
|
|
State, Transition and Sequence Details for FSM :: state_q
| | | |
AckPls |
80 |
Covered |
T3,T5,T30 |
DataWait |
75 |
Covered |
T3,T5,T30 |
Disabled |
107 |
Covered |
T1,T2,T3 |
EndPointClear |
63 |
Covered |
T1,T2,T3 |
Error |
99 |
Covered |
T6,T16,T31 |
Idle |
68 |
Covered |
T1,T2,T3 |
| | | |
AckPls->Disabled |
107 |
Covered |
T210 |
AckPls->Error |
99 |
Not Covered |
|
AckPls->Idle |
85 |
Covered |
T3,T5,T30 |
DataWait->AckPls |
80 |
Covered |
T3,T5,T30 |
DataWait->Disabled |
107 |
Covered |
T19,T21,T71 |
DataWait->Error |
99 |
Covered |
T154,T194,T207 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T16,T17,T18 |
EndPointClear->Disabled |
107 |
Covered |
T212,T119,T108 |
EndPointClear->Error |
99 |
Covered |
T16,T17,T18 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T3,T5,T30 |
Idle->Disabled |
107 |
Covered |
T4,T5,T9 |
Idle->Error |
99 |
Covered |
T6,T16,T31 |
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 |
T3,T5,T30 |
Idle |
- |
1 |
0 |
- |
Covered |
T3,T5,T30 |
Idle |
- |
0 |
- |
- |
Covered |
T1,T2,T3 |
DataWait |
- |
- |
- |
1 |
Covered |
T3,T5,T30 |
DataWait |
- |
- |
- |
0 |
Covered |
T3,T30,T19 |
AckPls |
- |
- |
- |
- |
Covered |
T3,T5,T30 |
Error |
- |
- |
- |
- |
Covered |
T6,T16,T31 |
default |
- |
- |
- |
- |
Covered |
T16,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,T31 |
0 |
1 |
Covered |
T5,T9,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 |
198951858 |
137493 |
0 |
0 |
T6 |
2497 |
1094 |
0 |
0 |
T7 |
0 |
1151 |
0 |
0 |
T10 |
3087 |
0 |
0 |
0 |
T16 |
50309 |
22024 |
0 |
0 |
T17 |
0 |
9725 |
0 |
0 |
T18 |
0 |
6599 |
0 |
0 |
T24 |
664 |
0 |
0 |
0 |
T25 |
1216 |
0 |
0 |
0 |
T26 |
979 |
0 |
0 |
0 |
T30 |
3585 |
0 |
0 |
0 |
T31 |
2126 |
1108 |
0 |
0 |
T56 |
11358 |
0 |
0 |
0 |
T67 |
1096 |
0 |
0 |
0 |
T68 |
0 |
588 |
0 |
0 |
T69 |
0 |
633 |
0 |
0 |
T70 |
0 |
656 |
0 |
0 |
T209 |
0 |
1110 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
198951858 |
138401 |
0 |
0 |
T6 |
2497 |
1095 |
0 |
0 |
T7 |
0 |
1152 |
0 |
0 |
T10 |
3087 |
0 |
0 |
0 |
T16 |
50309 |
22284 |
0 |
0 |
T17 |
0 |
9855 |
0 |
0 |
T18 |
0 |
6729 |
0 |
0 |
T24 |
664 |
0 |
0 |
0 |
T25 |
1216 |
0 |
0 |
0 |
T26 |
979 |
0 |
0 |
0 |
T30 |
3585 |
0 |
0 |
0 |
T31 |
2126 |
1109 |
0 |
0 |
T56 |
11358 |
0 |
0 |
0 |
T67 |
1096 |
0 |
0 |
0 |
T68 |
0 |
589 |
0 |
0 |
T69 |
0 |
634 |
0 |
0 |
T70 |
0 |
657 |
0 |
0 |
T209 |
0 |
1111 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
198951858 |
198785308 |
0 |
0 |
T1 |
1376 |
1292 |
0 |
0 |
T2 |
1212 |
1160 |
0 |
0 |
T3 |
2198 |
2114 |
0 |
0 |
T4 |
5896 |
5670 |
0 |
0 |
T5 |
696 |
551 |
0 |
0 |
T6 |
2497 |
2341 |
0 |
0 |
T9 |
1767 |
1704 |
0 |
0 |
T10 |
3087 |
2994 |
0 |
0 |
T24 |
664 |
588 |
0 |
0 |
T25 |
1216 |
1125 |
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: T28 T19 T42
73 1/1 fifo_pop_o = 1'b1;
Tests: T28 T19 T42
74 end
MISSING_ELSE
75 1/1 state_d = DataWait;
Tests: T28 T19 T42
76 end
MISSING_ELSE
77 end
78 DataWait: begin
79 1/1 if (fifo_not_empty_i) begin
Tests: T28 T19 T42
80 1/1 state_d = AckPls;
Tests: T28 T19 T42
81 end
MISSING_ELSE
82 end
83 AckPls: begin
84 1/1 ack_o = 1'b1;
Tests: T28 T19 T42
85 1/1 state_d = Idle;
Tests: T28 T19 T42
86 end
87 Error: begin
88 1/1 ack_sm_err_o = 1'b1;
Tests: T6 T16 T31
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 T31
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T6 T16 T31
102 1/1 fifo_clr_o = 1'b0;
Tests: T6 T16 T31
103 1/1 fifo_pop_o = 1'b0;
Tests: T6 T16 T31
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 T9 T6
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T5 T9 T6
110 1/1 fifo_pop_o = 1'b0;
Tests: T5 T9 T6
111 1/1 fifo_clr_o = 1'b0;
Tests: T5 T9 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,T9,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 |
13 |
92.86 |
|
Sequences |
0 |
0 |
|
|
State, Transition and Sequence Details for FSM :: state_q
| | | |
AckPls |
80 |
Covered |
T28,T19,T42 |
DataWait |
75 |
Covered |
T28,T19,T42 |
Disabled |
107 |
Covered |
T1,T2,T3 |
EndPointClear |
63 |
Covered |
T1,T2,T3 |
Error |
99 |
Covered |
T6,T16,T31 |
Idle |
68 |
Covered |
T1,T2,T3 |
| | | |
AckPls->Disabled |
107 |
Covered |
T211 |
AckPls->Error |
99 |
Not Covered |
|
AckPls->Idle |
85 |
Covered |
T28,T19,T42 |
DataWait->AckPls |
80 |
Covered |
T28,T19,T42 |
DataWait->Disabled |
107 |
Covered |
T81,T82,T225 |
DataWait->Error |
99 |
Covered |
T226,T138,T227 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T16,T17,T18 |
EndPointClear->Disabled |
107 |
Covered |
T212,T119,T108 |
EndPointClear->Error |
99 |
Covered |
T16,T17,T18 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T28,T19,T42 |
Idle->Disabled |
107 |
Covered |
T4,T5,T9 |
Idle->Error |
99 |
Covered |
T6,T16,T31 |
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 |
T28,T19,T42 |
Idle |
- |
1 |
0 |
- |
Covered |
T28,T19,T42 |
Idle |
- |
0 |
- |
- |
Covered |
T1,T2,T3 |
DataWait |
- |
- |
- |
1 |
Covered |
T28,T19,T42 |
DataWait |
- |
- |
- |
0 |
Covered |
T28,T42,T81 |
AckPls |
- |
- |
- |
- |
Covered |
T28,T19,T42 |
Error |
- |
- |
- |
- |
Covered |
T6,T16,T31 |
default |
- |
- |
- |
- |
Covered |
T16,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,T31 |
0 |
1 |
Covered |
T5,T9,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 |
198951858 |
137493 |
0 |
0 |
T6 |
2497 |
1094 |
0 |
0 |
T7 |
0 |
1151 |
0 |
0 |
T10 |
3087 |
0 |
0 |
0 |
T16 |
50309 |
22024 |
0 |
0 |
T17 |
0 |
9725 |
0 |
0 |
T18 |
0 |
6599 |
0 |
0 |
T24 |
664 |
0 |
0 |
0 |
T25 |
1216 |
0 |
0 |
0 |
T26 |
979 |
0 |
0 |
0 |
T30 |
3585 |
0 |
0 |
0 |
T31 |
2126 |
1108 |
0 |
0 |
T56 |
11358 |
0 |
0 |
0 |
T67 |
1096 |
0 |
0 |
0 |
T68 |
0 |
588 |
0 |
0 |
T69 |
0 |
633 |
0 |
0 |
T70 |
0 |
656 |
0 |
0 |
T209 |
0 |
1110 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
198951858 |
138401 |
0 |
0 |
T6 |
2497 |
1095 |
0 |
0 |
T7 |
0 |
1152 |
0 |
0 |
T10 |
3087 |
0 |
0 |
0 |
T16 |
50309 |
22284 |
0 |
0 |
T17 |
0 |
9855 |
0 |
0 |
T18 |
0 |
6729 |
0 |
0 |
T24 |
664 |
0 |
0 |
0 |
T25 |
1216 |
0 |
0 |
0 |
T26 |
979 |
0 |
0 |
0 |
T30 |
3585 |
0 |
0 |
0 |
T31 |
2126 |
1109 |
0 |
0 |
T56 |
11358 |
0 |
0 |
0 |
T67 |
1096 |
0 |
0 |
0 |
T68 |
0 |
589 |
0 |
0 |
T69 |
0 |
634 |
0 |
0 |
T70 |
0 |
657 |
0 |
0 |
T209 |
0 |
1111 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
198951858 |
198785308 |
0 |
0 |
T1 |
1376 |
1292 |
0 |
0 |
T2 |
1212 |
1160 |
0 |
0 |
T3 |
2198 |
2114 |
0 |
0 |
T4 |
5896 |
5670 |
0 |
0 |
T5 |
696 |
551 |
0 |
0 |
T6 |
2497 |
2341 |
0 |
0 |
T9 |
1767 |
1704 |
0 |
0 |
T10 |
3087 |
2994 |
0 |
0 |
T24 |
664 |
588 |
0 |
0 |
T25 |
1216 |
1125 |
0 |
0 |