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 T7 T16
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 T7 T16
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T5 T7 T16
102 1/1 fifo_clr_o = 1'b0;
Tests: T5 T7 T16
103 1/1 fifo_pop_o = 1'b0;
Tests: T5 T7 T16
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: T17 T4 T5
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T17 T4 T5
110 1/1 fifo_pop_o = 1'b0;
Tests: T17 T4 T5
111 1/1 fifo_clr_o = 1'b0;
Tests: T17 T4 T5
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 | T17,T4,T5 |
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,T7,T16 |
Idle |
68 |
Covered |
T1,T2,T3 |
transitions | Line No. | Covered | Tests |
AckPls->Disabled |
107 |
Covered |
T99,T83,T94 |
AckPls->Error |
99 |
Not Covered |
|
AckPls->Idle |
85 |
Covered |
T1,T2,T3 |
DataWait->AckPls |
80 |
Covered |
T1,T2,T3 |
DataWait->Disabled |
107 |
Covered |
T10,T115,T90 |
DataWait->Error |
99 |
Covered |
T75,T66,T9 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T18,T19,T20 |
EndPointClear->Disabled |
107 |
Covered |
T59,T65,T48 |
EndPointClear->Error |
99 |
Covered |
T18,T19,T20 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T1,T2,T3 |
Idle->Disabled |
107 |
Covered |
T17,T4,T5 |
Idle->Error |
99 |
Covered |
T5,T7,T16 |
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,T7,T16 |
default |
- |
- |
- |
- |
Covered |
T18,T64,T19 |
98 if (local_escalate_i) begin
-1-
99 state_d = Error;
==>
100 // Tie off outputs, except for ack_sm_err_o.
101 ack_o = 1'b0;
102 fifo_clr_o = 1'b0;
103 fifo_pop_o = 1'b0;
104 end else if (!enable_i && state_q inside {EndPointClear, Idle, DataWait, AckPls}) begin
-2-
105 // Only disable if state is legal and not Disabled or Error.
106 // Even when disabled, illegal states must result in a transition to Error.
107 state_d = Disabled;
==>
108 // Tie off all outputs, except for ack_sm_err_o.
109 ack_o = 1'b0;
110 fifo_pop_o = 1'b0;
111 fifo_clr_o = 1'b0;
112 end
MISSING_ELSE
==>
Branches:
-1- | -2- | Status | Tests |
1 |
- |
Covered |
T5,T7,T16 |
0 |
1 |
Covered |
T17,T4,T5 |
0 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Module :
edn_ack_sm
Assertion Details
AckSmErrorStStable_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
87305750 |
1140703 |
0 |
0 |
T5 |
4564 |
2464 |
0 |
0 |
T6 |
74179 |
0 |
0 |
0 |
T7 |
0 |
4214 |
0 |
0 |
T8 |
0 |
8218 |
0 |
0 |
T10 |
17276 |
0 |
0 |
0 |
T11 |
29134 |
0 |
0 |
0 |
T12 |
15260 |
0 |
0 |
0 |
T16 |
0 |
5166 |
0 |
0 |
T18 |
0 |
104825 |
0 |
0 |
T19 |
0 |
103712 |
0 |
0 |
T24 |
9814 |
0 |
0 |
0 |
T25 |
9359 |
0 |
0 |
0 |
T26 |
8442 |
0 |
0 |
0 |
T27 |
5789 |
0 |
0 |
0 |
T29 |
5432 |
0 |
0 |
0 |
T64 |
0 |
1252 |
0 |
0 |
T66 |
0 |
4424 |
0 |
0 |
T74 |
0 |
7756 |
0 |
0 |
T75 |
0 |
2800 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
87305750 |
1149831 |
0 |
0 |
T5 |
4564 |
2471 |
0 |
0 |
T6 |
74179 |
0 |
0 |
0 |
T7 |
0 |
4221 |
0 |
0 |
T8 |
0 |
8225 |
0 |
0 |
T10 |
17276 |
0 |
0 |
0 |
T11 |
29134 |
0 |
0 |
0 |
T12 |
15260 |
0 |
0 |
0 |
T16 |
0 |
5173 |
0 |
0 |
T18 |
0 |
106645 |
0 |
0 |
T19 |
0 |
105532 |
0 |
0 |
T24 |
9814 |
0 |
0 |
0 |
T25 |
9359 |
0 |
0 |
0 |
T26 |
8442 |
0 |
0 |
0 |
T27 |
5789 |
0 |
0 |
0 |
T29 |
5432 |
0 |
0 |
0 |
T64 |
0 |
1259 |
0 |
0 |
T66 |
0 |
4431 |
0 |
0 |
T74 |
0 |
7763 |
0 |
0 |
T75 |
0 |
2807 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
87266603 |
85889486 |
0 |
0 |
T1 |
13104 |
12705 |
0 |
0 |
T2 |
10563 |
9947 |
0 |
0 |
T3 |
17738 |
17283 |
0 |
0 |
T4 |
11905 |
10890 |
0 |
0 |
T5 |
4441 |
3566 |
0 |
0 |
T6 |
74179 |
72023 |
0 |
0 |
T17 |
15834 |
15421 |
0 |
0 |
T24 |
9814 |
9233 |
0 |
0 |
T25 |
9359 |
8666 |
0 |
0 |
T26 |
8442 |
7749 |
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: T5 T7 T16
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 T7 T16
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T5 T7 T16
102 1/1 fifo_clr_o = 1'b0;
Tests: T5 T7 T16
103 1/1 fifo_pop_o = 1'b0;
Tests: T5 T7 T16
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: T17 T4 T5
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T17 T4 T5
110 1/1 fifo_pop_o = 1'b0;
Tests: T17 T4 T5
111 1/1 fifo_clr_o = 1'b0;
Tests: T17 T4 T5
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 | T17,T4,T5 |
FSM Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[0].u_edn_ack_sm_ep
Summary for FSM :: state_q
| Total | Covered | Percent | |
States |
6 |
6 |
100.00 |
(Not included in score) |
Transitions |
14 |
12 |
85.71 |
|
Sequences |
0 |
0 |
|
|
State, Transition and Sequence Details for FSM :: state_q
states | Line No. | Covered | Tests |
AckPls |
80 |
Covered |
T1,T2,T3 |
DataWait |
75 |
Covered |
T1,T2,T3 |
Disabled |
107 |
Covered |
T1,T2,T3 |
EndPointClear |
63 |
Covered |
T1,T2,T3 |
Error |
99 |
Covered |
T5,T7,T16 |
Idle |
68 |
Covered |
T1,T2,T3 |
transitions | Line No. | Covered | Tests |
AckPls->Disabled |
107 |
Not Covered |
|
AckPls->Error |
99 |
Not Covered |
|
AckPls->Idle |
85 |
Covered |
T1,T2,T3 |
DataWait->AckPls |
80 |
Covered |
T1,T2,T3 |
DataWait->Disabled |
107 |
Covered |
T115,T189,T214 |
DataWait->Error |
99 |
Covered |
T75,T177,T215 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T18,T19,T20 |
EndPointClear->Disabled |
107 |
Covered |
T59,T65,T48 |
EndPointClear->Error |
99 |
Covered |
T18,T19,T20 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T1,T2,T3 |
Idle->Disabled |
107 |
Covered |
T17,T4,T5 |
Idle->Error |
99 |
Covered |
T5,T7,T16 |
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 |
T5,T7,T16 |
default |
- |
- |
- |
- |
Covered |
T18,T64,T19 |
98 if (local_escalate_i) begin
-1-
99 state_d = Error;
==>
100 // Tie off outputs, except for ack_sm_err_o.
101 ack_o = 1'b0;
102 fifo_clr_o = 1'b0;
103 fifo_pop_o = 1'b0;
104 end else if (!enable_i && state_q inside {EndPointClear, Idle, DataWait, AckPls}) begin
-2-
105 // Only disable if state is legal and not Disabled or Error.
106 // Even when disabled, illegal states must result in a transition to Error.
107 state_d = Disabled;
==>
108 // Tie off all outputs, except for ack_sm_err_o.
109 ack_o = 1'b0;
110 fifo_pop_o = 1'b0;
111 fifo_clr_o = 1'b0;
112 end
MISSING_ELSE
==>
Branches:
-1- | -2- | Status | Tests |
1 |
- |
Covered |
T5,T7,T16 |
0 |
1 |
Covered |
T17,T4,T5 |
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 |
12472250 |
161329 |
0 |
0 |
T5 |
652 |
352 |
0 |
0 |
T6 |
10597 |
0 |
0 |
0 |
T7 |
0 |
602 |
0 |
0 |
T8 |
0 |
1174 |
0 |
0 |
T10 |
2468 |
0 |
0 |
0 |
T11 |
4162 |
0 |
0 |
0 |
T12 |
2180 |
0 |
0 |
0 |
T16 |
0 |
738 |
0 |
0 |
T18 |
0 |
14975 |
0 |
0 |
T19 |
0 |
14816 |
0 |
0 |
T24 |
1402 |
0 |
0 |
0 |
T25 |
1337 |
0 |
0 |
0 |
T26 |
1206 |
0 |
0 |
0 |
T27 |
827 |
0 |
0 |
0 |
T29 |
776 |
0 |
0 |
0 |
T64 |
0 |
136 |
0 |
0 |
T66 |
0 |
632 |
0 |
0 |
T74 |
0 |
1108 |
0 |
0 |
T75 |
0 |
400 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
12472250 |
162633 |
0 |
0 |
T5 |
652 |
353 |
0 |
0 |
T6 |
10597 |
0 |
0 |
0 |
T7 |
0 |
603 |
0 |
0 |
T8 |
0 |
1175 |
0 |
0 |
T10 |
2468 |
0 |
0 |
0 |
T11 |
4162 |
0 |
0 |
0 |
T12 |
2180 |
0 |
0 |
0 |
T16 |
0 |
739 |
0 |
0 |
T18 |
0 |
15235 |
0 |
0 |
T19 |
0 |
15076 |
0 |
0 |
T24 |
1402 |
0 |
0 |
0 |
T25 |
1337 |
0 |
0 |
0 |
T26 |
1206 |
0 |
0 |
0 |
T27 |
827 |
0 |
0 |
0 |
T29 |
776 |
0 |
0 |
0 |
T64 |
0 |
137 |
0 |
0 |
T66 |
0 |
633 |
0 |
0 |
T74 |
0 |
1109 |
0 |
0 |
T75 |
0 |
401 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
12433103 |
12236372 |
0 |
0 |
T1 |
1872 |
1815 |
0 |
0 |
T2 |
1509 |
1421 |
0 |
0 |
T3 |
2534 |
2469 |
0 |
0 |
T4 |
1675 |
1530 |
0 |
0 |
T5 |
529 |
404 |
0 |
0 |
T6 |
10597 |
10289 |
0 |
0 |
T17 |
2262 |
2203 |
0 |
0 |
T24 |
1402 |
1319 |
0 |
0 |
T25 |
1337 |
1238 |
0 |
0 |
T26 |
1206 |
1107 |
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: T10 T22 T40
73 1/1 fifo_pop_o = 1'b1;
Tests: T10 T22 T40
74 end
MISSING_ELSE
75 1/1 state_d = DataWait;
Tests: T10 T22 T40
76 end
MISSING_ELSE
77 end
78 DataWait: begin
79 1/1 if (fifo_not_empty_i) begin
Tests: T10 T22 T40
80 1/1 state_d = AckPls;
Tests: T10 T22 T40
81 end
MISSING_ELSE
82 end
83 AckPls: begin
84 1/1 ack_o = 1'b1;
Tests: T10 T22 T40
85 1/1 state_d = Idle;
Tests: T10 T22 T40
86 end
87 Error: begin
88 1/1 ack_sm_err_o = 1'b1;
Tests: T5 T7 T16
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 T7 T16
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T5 T7 T16
102 1/1 fifo_clr_o = 1'b0;
Tests: T5 T7 T16
103 1/1 fifo_pop_o = 1'b0;
Tests: T5 T7 T16
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: T17 T4 T5
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T17 T4 T5
110 1/1 fifo_pop_o = 1'b0;
Tests: T17 T4 T5
111 1/1 fifo_clr_o = 1'b0;
Tests: T17 T4 T5
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 | T17,T4,T5 |
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 |
T10,T22,T40 |
DataWait |
75 |
Covered |
T10,T22,T40 |
Disabled |
107 |
Covered |
T1,T2,T3 |
EndPointClear |
63 |
Covered |
T1,T2,T3 |
Error |
99 |
Covered |
T5,T7,T16 |
Idle |
68 |
Covered |
T1,T2,T3 |
transitions | Line No. | Covered | Tests |
AckPls->Disabled |
107 |
Not Covered |
|
AckPls->Error |
99 |
Not Covered |
|
AckPls->Idle |
85 |
Covered |
T10,T22,T40 |
DataWait->AckPls |
80 |
Covered |
T10,T22,T40 |
DataWait->Disabled |
107 |
Covered |
T10,T145,T216 |
DataWait->Error |
99 |
Covered |
T66,T9,T217 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T18,T19,T20 |
EndPointClear->Disabled |
107 |
Covered |
T59,T65,T48 |
EndPointClear->Error |
99 |
Covered |
T18,T19,T20 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T10,T22,T40 |
Idle->Disabled |
107 |
Covered |
T17,T4,T5 |
Idle->Error |
99 |
Covered |
T5,T7,T16 |
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 |
T10,T22,T40 |
Idle |
- |
1 |
0 |
- |
Covered |
T10,T22,T40 |
Idle |
- |
0 |
- |
- |
Covered |
T1,T2,T3 |
DataWait |
- |
- |
- |
1 |
Covered |
T10,T22,T40 |
DataWait |
- |
- |
- |
0 |
Covered |
T10,T22,T40 |
AckPls |
- |
- |
- |
- |
Covered |
T10,T22,T40 |
Error |
- |
- |
- |
- |
Covered |
T5,T7,T16 |
default |
- |
- |
- |
- |
Covered |
T18,T19,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,T7,T16 |
0 |
1 |
Covered |
T17,T4,T5 |
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 |
12472250 |
163229 |
0 |
0 |
T5 |
652 |
352 |
0 |
0 |
T6 |
10597 |
0 |
0 |
0 |
T7 |
0 |
602 |
0 |
0 |
T8 |
0 |
1174 |
0 |
0 |
T10 |
2468 |
0 |
0 |
0 |
T11 |
4162 |
0 |
0 |
0 |
T12 |
2180 |
0 |
0 |
0 |
T16 |
0 |
738 |
0 |
0 |
T18 |
0 |
14975 |
0 |
0 |
T19 |
0 |
14816 |
0 |
0 |
T24 |
1402 |
0 |
0 |
0 |
T25 |
1337 |
0 |
0 |
0 |
T26 |
1206 |
0 |
0 |
0 |
T27 |
827 |
0 |
0 |
0 |
T29 |
776 |
0 |
0 |
0 |
T64 |
0 |
186 |
0 |
0 |
T66 |
0 |
632 |
0 |
0 |
T74 |
0 |
1108 |
0 |
0 |
T75 |
0 |
400 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
12472250 |
164533 |
0 |
0 |
T5 |
652 |
353 |
0 |
0 |
T6 |
10597 |
0 |
0 |
0 |
T7 |
0 |
603 |
0 |
0 |
T8 |
0 |
1175 |
0 |
0 |
T10 |
2468 |
0 |
0 |
0 |
T11 |
4162 |
0 |
0 |
0 |
T12 |
2180 |
0 |
0 |
0 |
T16 |
0 |
739 |
0 |
0 |
T18 |
0 |
15235 |
0 |
0 |
T19 |
0 |
15076 |
0 |
0 |
T24 |
1402 |
0 |
0 |
0 |
T25 |
1337 |
0 |
0 |
0 |
T26 |
1206 |
0 |
0 |
0 |
T27 |
827 |
0 |
0 |
0 |
T29 |
776 |
0 |
0 |
0 |
T64 |
0 |
187 |
0 |
0 |
T66 |
0 |
633 |
0 |
0 |
T74 |
0 |
1109 |
0 |
0 |
T75 |
0 |
401 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
12472250 |
12275519 |
0 |
0 |
T1 |
1872 |
1815 |
0 |
0 |
T2 |
1509 |
1421 |
0 |
0 |
T3 |
2534 |
2469 |
0 |
0 |
T4 |
1705 |
1560 |
0 |
0 |
T5 |
652 |
527 |
0 |
0 |
T6 |
10597 |
10289 |
0 |
0 |
T17 |
2262 |
2203 |
0 |
0 |
T24 |
1402 |
1319 |
0 |
0 |
T25 |
1337 |
1238 |
0 |
0 |
T26 |
1206 |
1107 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[3].u_edn_ack_sm_ep
| Line No. | Total | Covered | Percent |
TOTAL | | 32 | 32 | 100.00 |
ALWAYS | 52 | 3 | 3 | 100.00 |
ALWAYS | 55 | 29 | 29 | 100.00 |
51
52 3/3 `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled)
Tests: T1 T2 T3 | T1 T2 T3 | T1 T2 T3
PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled):
52.1 `ifdef SIMULATION
52.2 prim_sparse_fsm_flop #(
52.3 .StateEnumT(state_e),
52.4 .Width($bits(state_e)),
52.5 .ResetValue($bits(state_e)'(Disabled)),
52.6 .EnableAlertTriggerSVA(1),
52.7 .CustomForceName("state_q")
52.8 ) u_state_regs (
52.9 .clk_i ( clk_i ),
52.10 .rst_ni ( rst_ni ),
52.11 .state_i ( state_d ),
52.12 .state_o ( )
52.13 );
52.14 always_ff @(posedge clk_i or negedge rst_ni) begin
52.15 1/1 if (!rst_ni) begin
Tests: T1 T2 T3
52.16 1/1 state_q <= Disabled;
Tests: T1 T2 T3
52.17 end else begin
52.18 1/1 state_q <= state_d;
Tests: T1 T2 T3
52.19 end
52.20 end
52.21 u_state_regs_A: assert property (@(posedge clk_i) disable iff ((!rst_ni) !== '0) (state_q === u_state_regs.state_o))
52.22 else begin
52.23 `ifdef UVM
52.24 uvm_pkg::uvm_report_error("ASSERT FAILED", "u_state_regs_A", uvm_pkg::UVM_NONE,
52.25 "../src/lowrisc_ip_edn_0.1/rtl/edn_ack_sm.sv", 52, "", 1);
52.26 `else
52.27 $error("%0t: (%0s:%0d) [%m] [ASSERT FAILED] %0s", $time, `__FILE__, `__LINE__,
52.28 `PRIM_STRINGIFY(u_state_regs_A));
52.29 `endif
52.30 end
52.31 `else
52.32 prim_sparse_fsm_flop #(
52.33 .StateEnumT(state_e),
52.34 .Width($bits(state_e)),
52.35 .ResetValue($bits(state_e)'(Disabled)),
52.36 .EnableAlertTriggerSVA(1)
52.37 ) u_state_regs (
52.38 .clk_i ( `PRIM_FLOP_CLK ),
52.39 .rst_ni ( `PRIM_FLOP_RST ),
52.40 .state_i ( state_d ),
52.41 .state_o ( state_q )
52.42 );
52.43 `endif53
54 always_comb begin
55 1/1 state_d = state_q;
Tests: T1 T2 T3
56 1/1 ack_o = 1'b0;
Tests: T1 T2 T3
57 1/1 fifo_clr_o = 1'b0;
Tests: T1 T2 T3
58 1/1 fifo_pop_o = 1'b0;
Tests: T1 T2 T3
59 1/1 ack_sm_err_o = 1'b0;
Tests: T1 T2 T3
60 1/1 unique case (state_q)
Tests: T1 T2 T3
61 Disabled: begin
62 1/1 if (enable_i) begin
Tests: T1 T2 T3
63 1/1 state_d = EndPointClear;
Tests: T1 T2 T3
64 1/1 fifo_clr_o = 1'b1;
Tests: T1 T2 T3
65 end
MISSING_ELSE
66 end
67 EndPointClear: begin
68 1/1 state_d = Idle;
Tests: T1 T2 T3
69 end
70 Idle: begin
71 1/1 if (req_i) begin
Tests: T1 T2 T3
72 1/1 if (fifo_not_empty_i) begin
Tests: T5 T29 T30
73 1/1 fifo_pop_o = 1'b1;
Tests: T29 T30 T13
74 end
MISSING_ELSE
75 1/1 state_d = DataWait;
Tests: T5 T29 T30
76 end
MISSING_ELSE
77 end
78 DataWait: begin
79 1/1 if (fifo_not_empty_i) begin
Tests: T29 T30 T13
80 1/1 state_d = AckPls;
Tests: T29 T30 T13
81 end
MISSING_ELSE
82 end
83 AckPls: begin
84 1/1 ack_o = 1'b1;
Tests: T29 T30 T13
85 1/1 state_d = Idle;
Tests: T29 T30 T13
86 end
87 Error: begin
88 1/1 ack_sm_err_o = 1'b1;
Tests: T5 T7 T16
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 T7 T16
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T5 T7 T16
102 1/1 fifo_clr_o = 1'b0;
Tests: T5 T7 T16
103 1/1 fifo_pop_o = 1'b0;
Tests: T5 T7 T16
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: T17 T4 T5
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T17 T4 T5
110 1/1 fifo_pop_o = 1'b0;
Tests: T17 T4 T5
111 1/1 fifo_clr_o = 1'b0;
Tests: T17 T4 T5
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 | T17,T4,T5 |
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 |
T29,T30,T13 |
DataWait |
75 |
Covered |
T29,T30,T13 |
Disabled |
107 |
Covered |
T1,T2,T3 |
EndPointClear |
63 |
Covered |
T1,T2,T3 |
Error |
99 |
Covered |
T5,T7,T16 |
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 |
T29,T30,T13 |
DataWait->AckPls |
80 |
Covered |
T29,T30,T13 |
DataWait->Disabled |
107 |
Covered |
T90,T144,T218 |
DataWait->Error |
99 |
Covered |
T219,T143,T165 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T18,T19,T20 |
EndPointClear->Disabled |
107 |
Covered |
T59,T65,T48 |
EndPointClear->Error |
99 |
Covered |
T18,T19,T20 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T29,T30,T13 |
Idle->Disabled |
107 |
Covered |
T17,T4,T5 |
Idle->Error |
99 |
Covered |
T5,T7,T16 |
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 |
T29,T30,T13 |
Idle |
- |
1 |
0 |
- |
Covered |
T5,T29,T30 |
Idle |
- |
0 |
- |
- |
Covered |
T1,T2,T3 |
DataWait |
- |
- |
- |
1 |
Covered |
T29,T30,T13 |
DataWait |
- |
- |
- |
0 |
Covered |
T29,T30,T13 |
AckPls |
- |
- |
- |
- |
Covered |
T29,T30,T13 |
Error |
- |
- |
- |
- |
Covered |
T5,T7,T16 |
default |
- |
- |
- |
- |
Covered |
T18,T19,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,T7,T16 |
0 |
1 |
Covered |
T17,T4,T5 |
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 |
12472250 |
163229 |
0 |
0 |
T5 |
652 |
352 |
0 |
0 |
T6 |
10597 |
0 |
0 |
0 |
T7 |
0 |
602 |
0 |
0 |
T8 |
0 |
1174 |
0 |
0 |
T10 |
2468 |
0 |
0 |
0 |
T11 |
4162 |
0 |
0 |
0 |
T12 |
2180 |
0 |
0 |
0 |
T16 |
0 |
738 |
0 |
0 |
T18 |
0 |
14975 |
0 |
0 |
T19 |
0 |
14816 |
0 |
0 |
T24 |
1402 |
0 |
0 |
0 |
T25 |
1337 |
0 |
0 |
0 |
T26 |
1206 |
0 |
0 |
0 |
T27 |
827 |
0 |
0 |
0 |
T29 |
776 |
0 |
0 |
0 |
T64 |
0 |
186 |
0 |
0 |
T66 |
0 |
632 |
0 |
0 |
T74 |
0 |
1108 |
0 |
0 |
T75 |
0 |
400 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
12472250 |
164533 |
0 |
0 |
T5 |
652 |
353 |
0 |
0 |
T6 |
10597 |
0 |
0 |
0 |
T7 |
0 |
603 |
0 |
0 |
T8 |
0 |
1175 |
0 |
0 |
T10 |
2468 |
0 |
0 |
0 |
T11 |
4162 |
0 |
0 |
0 |
T12 |
2180 |
0 |
0 |
0 |
T16 |
0 |
739 |
0 |
0 |
T18 |
0 |
15235 |
0 |
0 |
T19 |
0 |
15076 |
0 |
0 |
T24 |
1402 |
0 |
0 |
0 |
T25 |
1337 |
0 |
0 |
0 |
T26 |
1206 |
0 |
0 |
0 |
T27 |
827 |
0 |
0 |
0 |
T29 |
776 |
0 |
0 |
0 |
T64 |
0 |
187 |
0 |
0 |
T66 |
0 |
633 |
0 |
0 |
T74 |
0 |
1109 |
0 |
0 |
T75 |
0 |
401 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
12472250 |
12275519 |
0 |
0 |
T1 |
1872 |
1815 |
0 |
0 |
T2 |
1509 |
1421 |
0 |
0 |
T3 |
2534 |
2469 |
0 |
0 |
T4 |
1705 |
1560 |
0 |
0 |
T5 |
652 |
527 |
0 |
0 |
T6 |
10597 |
10289 |
0 |
0 |
T17 |
2262 |
2203 |
0 |
0 |
T24 |
1402 |
1319 |
0 |
0 |
T25 |
1337 |
1238 |
0 |
0 |
T26 |
1206 |
1107 |
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: T13 T43 T47
73 1/1 fifo_pop_o = 1'b1;
Tests: T13 T43 T47
74 end
MISSING_ELSE
75 1/1 state_d = DataWait;
Tests: T13 T43 T47
76 end
MISSING_ELSE
77 end
78 DataWait: begin
79 1/1 if (fifo_not_empty_i) begin
Tests: T13 T43 T47
80 1/1 state_d = AckPls;
Tests: T13 T43 T47
81 end
MISSING_ELSE
82 end
83 AckPls: begin
84 1/1 ack_o = 1'b1;
Tests: T13 T43 T47
85 1/1 state_d = Idle;
Tests: T13 T43 T47
86 end
87 Error: begin
88 1/1 ack_sm_err_o = 1'b1;
Tests: T5 T7 T16
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 T7 T16
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T5 T7 T16
102 1/1 fifo_clr_o = 1'b0;
Tests: T5 T7 T16
103 1/1 fifo_pop_o = 1'b0;
Tests: T5 T7 T16
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: T17 T4 T5
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T17 T4 T5
110 1/1 fifo_pop_o = 1'b0;
Tests: T17 T4 T5
111 1/1 fifo_clr_o = 1'b0;
Tests: T17 T4 T5
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 | T17,T4,T5 |
FSM Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[2].u_edn_ack_sm_ep
Summary for FSM :: state_q
| Total | Covered | Percent | |
States |
6 |
6 |
100.00 |
(Not included in score) |
Transitions |
14 |
13 |
92.86 |
|
Sequences |
0 |
0 |
|
|
State, Transition and Sequence Details for FSM :: state_q
states | Line No. | Covered | Tests |
AckPls |
80 |
Covered |
T13,T43,T47 |
DataWait |
75 |
Covered |
T13,T43,T47 |
Disabled |
107 |
Covered |
T1,T2,T3 |
EndPointClear |
63 |
Covered |
T1,T2,T3 |
Error |
99 |
Covered |
T5,T7,T16 |
Idle |
68 |
Covered |
T1,T2,T3 |
transitions | Line No. | Covered | Tests |
AckPls->Disabled |
107 |
Covered |
T83,T220 |
AckPls->Error |
99 |
Not Covered |
|
AckPls->Idle |
85 |
Covered |
T13,T43,T47 |
DataWait->AckPls |
80 |
Covered |
T13,T43,T47 |
DataWait->Disabled |
107 |
Covered |
T221,T222,T223 |
DataWait->Error |
99 |
Covered |
T224,T181,T142 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T18,T19,T20 |
EndPointClear->Disabled |
107 |
Covered |
T59,T65,T48 |
EndPointClear->Error |
99 |
Covered |
T18,T19,T20 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T13,T43,T47 |
Idle->Disabled |
107 |
Covered |
T17,T4,T5 |
Idle->Error |
99 |
Covered |
T5,T7,T16 |
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 |
T13,T43,T47 |
Idle |
- |
1 |
0 |
- |
Covered |
T13,T43,T47 |
Idle |
- |
0 |
- |
- |
Covered |
T1,T2,T3 |
DataWait |
- |
- |
- |
1 |
Covered |
T13,T43,T47 |
DataWait |
- |
- |
- |
0 |
Covered |
T13,T43,T47 |
AckPls |
- |
- |
- |
- |
Covered |
T13,T43,T47 |
Error |
- |
- |
- |
- |
Covered |
T5,T7,T16 |
default |
- |
- |
- |
- |
Covered |
T18,T19,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,T7,T16 |
0 |
1 |
Covered |
T17,T4,T5 |
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 |
12472250 |
163229 |
0 |
0 |
T5 |
652 |
352 |
0 |
0 |
T6 |
10597 |
0 |
0 |
0 |
T7 |
0 |
602 |
0 |
0 |
T8 |
0 |
1174 |
0 |
0 |
T10 |
2468 |
0 |
0 |
0 |
T11 |
4162 |
0 |
0 |
0 |
T12 |
2180 |
0 |
0 |
0 |
T16 |
0 |
738 |
0 |
0 |
T18 |
0 |
14975 |
0 |
0 |
T19 |
0 |
14816 |
0 |
0 |
T24 |
1402 |
0 |
0 |
0 |
T25 |
1337 |
0 |
0 |
0 |
T26 |
1206 |
0 |
0 |
0 |
T27 |
827 |
0 |
0 |
0 |
T29 |
776 |
0 |
0 |
0 |
T64 |
0 |
186 |
0 |
0 |
T66 |
0 |
632 |
0 |
0 |
T74 |
0 |
1108 |
0 |
0 |
T75 |
0 |
400 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
12472250 |
164533 |
0 |
0 |
T5 |
652 |
353 |
0 |
0 |
T6 |
10597 |
0 |
0 |
0 |
T7 |
0 |
603 |
0 |
0 |
T8 |
0 |
1175 |
0 |
0 |
T10 |
2468 |
0 |
0 |
0 |
T11 |
4162 |
0 |
0 |
0 |
T12 |
2180 |
0 |
0 |
0 |
T16 |
0 |
739 |
0 |
0 |
T18 |
0 |
15235 |
0 |
0 |
T19 |
0 |
15076 |
0 |
0 |
T24 |
1402 |
0 |
0 |
0 |
T25 |
1337 |
0 |
0 |
0 |
T26 |
1206 |
0 |
0 |
0 |
T27 |
827 |
0 |
0 |
0 |
T29 |
776 |
0 |
0 |
0 |
T64 |
0 |
187 |
0 |
0 |
T66 |
0 |
633 |
0 |
0 |
T74 |
0 |
1109 |
0 |
0 |
T75 |
0 |
401 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
12472250 |
12275519 |
0 |
0 |
T1 |
1872 |
1815 |
0 |
0 |
T2 |
1509 |
1421 |
0 |
0 |
T3 |
2534 |
2469 |
0 |
0 |
T4 |
1705 |
1560 |
0 |
0 |
T5 |
652 |
527 |
0 |
0 |
T6 |
10597 |
10289 |
0 |
0 |
T17 |
2262 |
2203 |
0 |
0 |
T24 |
1402 |
1319 |
0 |
0 |
T25 |
1337 |
1238 |
0 |
0 |
T26 |
1206 |
1107 |
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: T24 T13 T23
73 1/1 fifo_pop_o = 1'b1;
Tests: T24 T13 T23
74 end
MISSING_ELSE
75 1/1 state_d = DataWait;
Tests: T24 T13 T23
76 end
MISSING_ELSE
77 end
78 DataWait: begin
79 1/1 if (fifo_not_empty_i) begin
Tests: T24 T13 T23
80 1/1 state_d = AckPls;
Tests: T24 T13 T23
81 end
MISSING_ELSE
82 end
83 AckPls: begin
84 1/1 ack_o = 1'b1;
Tests: T24 T13 T23
85 1/1 state_d = Idle;
Tests: T24 T13 T23
86 end
87 Error: begin
88 1/1 ack_sm_err_o = 1'b1;
Tests: T5 T7 T16
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 T7 T16
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T5 T7 T16
102 1/1 fifo_clr_o = 1'b0;
Tests: T5 T7 T16
103 1/1 fifo_pop_o = 1'b0;
Tests: T5 T7 T16
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: T17 T4 T5
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T17 T4 T5
110 1/1 fifo_pop_o = 1'b0;
Tests: T17 T4 T5
111 1/1 fifo_clr_o = 1'b0;
Tests: T17 T4 T5
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 | T17,T4,T5 |
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 |
T24,T13,T23 |
DataWait |
75 |
Covered |
T24,T13,T23 |
Disabled |
107 |
Covered |
T1,T2,T3 |
EndPointClear |
63 |
Covered |
T1,T2,T3 |
Error |
99 |
Covered |
T5,T7,T16 |
Idle |
68 |
Covered |
T1,T2,T3 |
transitions | Line No. | Covered | Tests |
AckPls->Disabled |
107 |
Covered |
T94 |
AckPls->Error |
99 |
Not Covered |
|
AckPls->Idle |
85 |
Covered |
T24,T13,T23 |
DataWait->AckPls |
80 |
Covered |
T24,T13,T23 |
DataWait->Disabled |
107 |
Covered |
T24,T225 |
DataWait->Error |
99 |
Covered |
T176,T184,T158 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T18,T19,T20 |
EndPointClear->Disabled |
107 |
Covered |
T59,T65,T48 |
EndPointClear->Error |
99 |
Covered |
T18,T19,T20 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T24,T13,T23 |
Idle->Disabled |
107 |
Covered |
T17,T4,T5 |
Idle->Error |
99 |
Covered |
T5,T7,T16 |
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 |
T24,T13,T23 |
Idle |
- |
1 |
0 |
- |
Covered |
T24,T13,T23 |
Idle |
- |
0 |
- |
- |
Covered |
T1,T2,T3 |
DataWait |
- |
- |
- |
1 |
Covered |
T24,T13,T23 |
DataWait |
- |
- |
- |
0 |
Covered |
T24,T13,T23 |
AckPls |
- |
- |
- |
- |
Covered |
T24,T13,T23 |
Error |
- |
- |
- |
- |
Covered |
T5,T7,T16 |
default |
- |
- |
- |
- |
Covered |
T18,T19,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,T7,T16 |
0 |
1 |
Covered |
T17,T4,T5 |
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 |
12472250 |
163229 |
0 |
0 |
T5 |
652 |
352 |
0 |
0 |
T6 |
10597 |
0 |
0 |
0 |
T7 |
0 |
602 |
0 |
0 |
T8 |
0 |
1174 |
0 |
0 |
T10 |
2468 |
0 |
0 |
0 |
T11 |
4162 |
0 |
0 |
0 |
T12 |
2180 |
0 |
0 |
0 |
T16 |
0 |
738 |
0 |
0 |
T18 |
0 |
14975 |
0 |
0 |
T19 |
0 |
14816 |
0 |
0 |
T24 |
1402 |
0 |
0 |
0 |
T25 |
1337 |
0 |
0 |
0 |
T26 |
1206 |
0 |
0 |
0 |
T27 |
827 |
0 |
0 |
0 |
T29 |
776 |
0 |
0 |
0 |
T64 |
0 |
186 |
0 |
0 |
T66 |
0 |
632 |
0 |
0 |
T74 |
0 |
1108 |
0 |
0 |
T75 |
0 |
400 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
12472250 |
164533 |
0 |
0 |
T5 |
652 |
353 |
0 |
0 |
T6 |
10597 |
0 |
0 |
0 |
T7 |
0 |
603 |
0 |
0 |
T8 |
0 |
1175 |
0 |
0 |
T10 |
2468 |
0 |
0 |
0 |
T11 |
4162 |
0 |
0 |
0 |
T12 |
2180 |
0 |
0 |
0 |
T16 |
0 |
739 |
0 |
0 |
T18 |
0 |
15235 |
0 |
0 |
T19 |
0 |
15076 |
0 |
0 |
T24 |
1402 |
0 |
0 |
0 |
T25 |
1337 |
0 |
0 |
0 |
T26 |
1206 |
0 |
0 |
0 |
T27 |
827 |
0 |
0 |
0 |
T29 |
776 |
0 |
0 |
0 |
T64 |
0 |
187 |
0 |
0 |
T66 |
0 |
633 |
0 |
0 |
T74 |
0 |
1109 |
0 |
0 |
T75 |
0 |
401 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
12472250 |
12275519 |
0 |
0 |
T1 |
1872 |
1815 |
0 |
0 |
T2 |
1509 |
1421 |
0 |
0 |
T3 |
2534 |
2469 |
0 |
0 |
T4 |
1705 |
1560 |
0 |
0 |
T5 |
652 |
527 |
0 |
0 |
T6 |
10597 |
10289 |
0 |
0 |
T17 |
2262 |
2203 |
0 |
0 |
T24 |
1402 |
1319 |
0 |
0 |
T25 |
1337 |
1238 |
0 |
0 |
T26 |
1206 |
1107 |
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: T10 T41 T8
73 1/1 fifo_pop_o = 1'b1;
Tests: T10 T41 T13
74 end
MISSING_ELSE
75 1/1 state_d = DataWait;
Tests: T10 T41 T8
76 end
MISSING_ELSE
77 end
78 DataWait: begin
79 1/1 if (fifo_not_empty_i) begin
Tests: T10 T41 T8
80 1/1 state_d = AckPls;
Tests: T10 T41 T13
81 end
MISSING_ELSE
82 end
83 AckPls: begin
84 1/1 ack_o = 1'b1;
Tests: T10 T41 T13
85 1/1 state_d = Idle;
Tests: T10 T41 T13
86 end
87 Error: begin
88 1/1 ack_sm_err_o = 1'b1;
Tests: T5 T7 T16
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 T7 T16
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T5 T7 T16
102 1/1 fifo_clr_o = 1'b0;
Tests: T5 T7 T16
103 1/1 fifo_pop_o = 1'b0;
Tests: T5 T7 T16
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: T17 T4 T5
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T17 T4 T5
110 1/1 fifo_pop_o = 1'b0;
Tests: T17 T4 T5
111 1/1 fifo_clr_o = 1'b0;
Tests: T17 T4 T5
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 | T17,T4,T5 |
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 |
T10,T41,T13 |
DataWait |
75 |
Covered |
T10,T41,T8 |
Disabled |
107 |
Covered |
T1,T2,T3 |
EndPointClear |
63 |
Covered |
T1,T2,T3 |
Error |
99 |
Covered |
T5,T7,T16 |
Idle |
68 |
Covered |
T1,T2,T3 |
transitions | Line No. | Covered | Tests |
AckPls->Disabled |
107 |
Covered |
T99 |
AckPls->Error |
99 |
Not Covered |
|
AckPls->Idle |
85 |
Covered |
T10,T41,T13 |
DataWait->AckPls |
80 |
Covered |
T10,T41,T13 |
DataWait->Disabled |
107 |
Covered |
T98,T101,T226 |
DataWait->Error |
99 |
Covered |
T8,T174,T227 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T18,T19,T20 |
EndPointClear->Disabled |
107 |
Covered |
T59,T65,T48 |
EndPointClear->Error |
99 |
Covered |
T18,T19,T20 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T10,T41,T8 |
Idle->Disabled |
107 |
Covered |
T17,T4,T5 |
Idle->Error |
99 |
Covered |
T5,T7,T16 |
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 |
T10,T41,T13 |
Idle |
- |
1 |
0 |
- |
Covered |
T10,T41,T8 |
Idle |
- |
0 |
- |
- |
Covered |
T1,T2,T3 |
DataWait |
- |
- |
- |
1 |
Covered |
T10,T41,T13 |
DataWait |
- |
- |
- |
0 |
Covered |
T10,T41,T8 |
AckPls |
- |
- |
- |
- |
Covered |
T10,T41,T13 |
Error |
- |
- |
- |
- |
Covered |
T5,T7,T16 |
default |
- |
- |
- |
- |
Covered |
T18,T19,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,T7,T16 |
0 |
1 |
Covered |
T17,T4,T5 |
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 |
12472250 |
163229 |
0 |
0 |
T5 |
652 |
352 |
0 |
0 |
T6 |
10597 |
0 |
0 |
0 |
T7 |
0 |
602 |
0 |
0 |
T8 |
0 |
1174 |
0 |
0 |
T10 |
2468 |
0 |
0 |
0 |
T11 |
4162 |
0 |
0 |
0 |
T12 |
2180 |
0 |
0 |
0 |
T16 |
0 |
738 |
0 |
0 |
T18 |
0 |
14975 |
0 |
0 |
T19 |
0 |
14816 |
0 |
0 |
T24 |
1402 |
0 |
0 |
0 |
T25 |
1337 |
0 |
0 |
0 |
T26 |
1206 |
0 |
0 |
0 |
T27 |
827 |
0 |
0 |
0 |
T29 |
776 |
0 |
0 |
0 |
T64 |
0 |
186 |
0 |
0 |
T66 |
0 |
632 |
0 |
0 |
T74 |
0 |
1108 |
0 |
0 |
T75 |
0 |
400 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
12472250 |
164533 |
0 |
0 |
T5 |
652 |
353 |
0 |
0 |
T6 |
10597 |
0 |
0 |
0 |
T7 |
0 |
603 |
0 |
0 |
T8 |
0 |
1175 |
0 |
0 |
T10 |
2468 |
0 |
0 |
0 |
T11 |
4162 |
0 |
0 |
0 |
T12 |
2180 |
0 |
0 |
0 |
T16 |
0 |
739 |
0 |
0 |
T18 |
0 |
15235 |
0 |
0 |
T19 |
0 |
15076 |
0 |
0 |
T24 |
1402 |
0 |
0 |
0 |
T25 |
1337 |
0 |
0 |
0 |
T26 |
1206 |
0 |
0 |
0 |
T27 |
827 |
0 |
0 |
0 |
T29 |
776 |
0 |
0 |
0 |
T64 |
0 |
187 |
0 |
0 |
T66 |
0 |
633 |
0 |
0 |
T74 |
0 |
1109 |
0 |
0 |
T75 |
0 |
401 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
12472250 |
12275519 |
0 |
0 |
T1 |
1872 |
1815 |
0 |
0 |
T2 |
1509 |
1421 |
0 |
0 |
T3 |
2534 |
2469 |
0 |
0 |
T4 |
1705 |
1560 |
0 |
0 |
T5 |
652 |
527 |
0 |
0 |
T6 |
10597 |
10289 |
0 |
0 |
T17 |
2262 |
2203 |
0 |
0 |
T24 |
1402 |
1319 |
0 |
0 |
T25 |
1337 |
1238 |
0 |
0 |
T26 |
1206 |
1107 |
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: T7 T21 T42
73 1/1 fifo_pop_o = 1'b1;
Tests: T7 T21 T42
74 end
MISSING_ELSE
75 1/1 state_d = DataWait;
Tests: T7 T21 T42
76 end
MISSING_ELSE
77 end
78 DataWait: begin
79 1/1 if (fifo_not_empty_i) begin
Tests: T7 T21 T42
80 1/1 state_d = AckPls;
Tests: T7 T21 T42
81 end
MISSING_ELSE
82 end
83 AckPls: begin
84 1/1 ack_o = 1'b1;
Tests: T7 T21 T42
85 1/1 state_d = Idle;
Tests: T7 T21 T42
86 end
87 Error: begin
88 1/1 ack_sm_err_o = 1'b1;
Tests: T5 T7 T16
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 T7 T16
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T5 T7 T16
102 1/1 fifo_clr_o = 1'b0;
Tests: T5 T7 T16
103 1/1 fifo_pop_o = 1'b0;
Tests: T5 T7 T16
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: T17 T4 T5
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T17 T4 T5
110 1/1 fifo_pop_o = 1'b0;
Tests: T17 T4 T5
111 1/1 fifo_clr_o = 1'b0;
Tests: T17 T4 T5
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 | T17,T4,T5 |
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 |
13 |
92.86 |
|
Sequences |
0 |
0 |
|
|
State, Transition and Sequence Details for FSM :: state_q
states | Line No. | Covered | Tests |
AckPls |
80 |
Covered |
T7,T21,T42 |
DataWait |
75 |
Covered |
T7,T21,T42 |
Disabled |
107 |
Covered |
T1,T2,T3 |
EndPointClear |
63 |
Covered |
T1,T2,T3 |
Error |
99 |
Covered |
T5,T7,T16 |
Idle |
68 |
Covered |
T1,T2,T3 |
transitions | Line No. | Covered | Tests |
AckPls->Disabled |
107 |
Covered |
T106 |
AckPls->Error |
99 |
Not Covered |
|
AckPls->Idle |
85 |
Covered |
T7,T21,T42 |
DataWait->AckPls |
80 |
Covered |
T7,T21,T42 |
DataWait->Disabled |
107 |
Covered |
T84,T169 |
DataWait->Error |
99 |
Covered |
T228,T229 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T18,T19,T20 |
EndPointClear->Disabled |
107 |
Covered |
T59,T65,T48 |
EndPointClear->Error |
99 |
Covered |
T18,T19,T20 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T7,T21,T42 |
Idle->Disabled |
107 |
Covered |
T17,T4,T5 |
Idle->Error |
99 |
Covered |
T5,T7,T16 |
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 |
T7,T21,T42 |
Idle |
- |
1 |
0 |
- |
Covered |
T7,T21,T42 |
Idle |
- |
0 |
- |
- |
Covered |
T1,T2,T3 |
DataWait |
- |
- |
- |
1 |
Covered |
T7,T21,T42 |
DataWait |
- |
- |
- |
0 |
Covered |
T7,T21,T42 |
AckPls |
- |
- |
- |
- |
Covered |
T7,T21,T42 |
Error |
- |
- |
- |
- |
Covered |
T5,T7,T16 |
default |
- |
- |
- |
- |
Covered |
T18,T19,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,T7,T16 |
0 |
1 |
Covered |
T17,T4,T5 |
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 |
12472250 |
163229 |
0 |
0 |
T5 |
652 |
352 |
0 |
0 |
T6 |
10597 |
0 |
0 |
0 |
T7 |
0 |
602 |
0 |
0 |
T8 |
0 |
1174 |
0 |
0 |
T10 |
2468 |
0 |
0 |
0 |
T11 |
4162 |
0 |
0 |
0 |
T12 |
2180 |
0 |
0 |
0 |
T16 |
0 |
738 |
0 |
0 |
T18 |
0 |
14975 |
0 |
0 |
T19 |
0 |
14816 |
0 |
0 |
T24 |
1402 |
0 |
0 |
0 |
T25 |
1337 |
0 |
0 |
0 |
T26 |
1206 |
0 |
0 |
0 |
T27 |
827 |
0 |
0 |
0 |
T29 |
776 |
0 |
0 |
0 |
T64 |
0 |
186 |
0 |
0 |
T66 |
0 |
632 |
0 |
0 |
T74 |
0 |
1108 |
0 |
0 |
T75 |
0 |
400 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
12472250 |
164533 |
0 |
0 |
T5 |
652 |
353 |
0 |
0 |
T6 |
10597 |
0 |
0 |
0 |
T7 |
0 |
603 |
0 |
0 |
T8 |
0 |
1175 |
0 |
0 |
T10 |
2468 |
0 |
0 |
0 |
T11 |
4162 |
0 |
0 |
0 |
T12 |
2180 |
0 |
0 |
0 |
T16 |
0 |
739 |
0 |
0 |
T18 |
0 |
15235 |
0 |
0 |
T19 |
0 |
15076 |
0 |
0 |
T24 |
1402 |
0 |
0 |
0 |
T25 |
1337 |
0 |
0 |
0 |
T26 |
1206 |
0 |
0 |
0 |
T27 |
827 |
0 |
0 |
0 |
T29 |
776 |
0 |
0 |
0 |
T64 |
0 |
187 |
0 |
0 |
T66 |
0 |
633 |
0 |
0 |
T74 |
0 |
1109 |
0 |
0 |
T75 |
0 |
401 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
12472250 |
12275519 |
0 |
0 |
T1 |
1872 |
1815 |
0 |
0 |
T2 |
1509 |
1421 |
0 |
0 |
T3 |
2534 |
2469 |
0 |
0 |
T4 |
1705 |
1560 |
0 |
0 |
T5 |
652 |
527 |
0 |
0 |
T6 |
10597 |
10289 |
0 |
0 |
T17 |
2262 |
2203 |
0 |
0 |
T24 |
1402 |
1319 |
0 |
0 |
T25 |
1337 |
1238 |
0 |
0 |
T26 |
1206 |
1107 |
0 |
0 |