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 T4
73 1/1 fifo_pop_o = 1'b1;
Tests: T1 T2 T4
74 end
MISSING_ELSE
75 1/1 state_d = DataWait;
Tests: T1 T2 T4
76 end
MISSING_ELSE
77 end
78 DataWait: begin
79 1/1 if (fifo_not_empty_i) begin
Tests: T1 T2 T4
80 1/1 state_d = AckPls;
Tests: T1 T2 T4
81 end
MISSING_ELSE
82 end
83 AckPls: begin
84 1/1 ack_o = 1'b1;
Tests: T1 T2 T4
85 1/1 state_d = Idle;
Tests: T1 T2 T4
86 end
87 Error: begin
88 1/1 ack_sm_err_o = 1'b1;
Tests: T4 T5 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: T4 T5 T16
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T4 T5 T16
102 1/1 fifo_clr_o = 1'b0;
Tests: T4 T5 T16
103 1/1 fifo_pop_o = 1'b0;
Tests: T4 T5 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: T9 T5 T10
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T9 T5 T10
110 1/1 fifo_pop_o = 1'b0;
Tests: T9 T5 T10
111 1/1 fifo_clr_o = 1'b0;
Tests: T9 T5 T10
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 | T9,T5,T10 |
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,T4 |
DataWait |
75 |
Covered |
T1,T2,T4 |
Disabled |
107 |
Covered |
T1,T2,T3 |
EndPointClear |
63 |
Covered |
T1,T2,T3 |
Error |
99 |
Covered |
T4,T5,T16 |
Idle |
68 |
Covered |
T1,T2,T3 |
transitions | Line No. | Covered | Tests |
AckPls->Disabled |
107 |
Covered |
T25,T61,T108 |
AckPls->Error |
99 |
Not Covered |
|
AckPls->Idle |
85 |
Covered |
T1,T2,T4 |
DataWait->AckPls |
80 |
Covered |
T1,T2,T4 |
DataWait->Disabled |
107 |
Covered |
T10,T20,T92 |
DataWait->Error |
99 |
Covered |
T5,T78,T192 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T16,T17,T18 |
EndPointClear->Disabled |
107 |
Covered |
T231,T142,T132 |
EndPointClear->Error |
99 |
Covered |
T16,T17,T203 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T1,T2,T4 |
Idle->Disabled |
107 |
Covered |
T9,T5,T10 |
Idle->Error |
99 |
Covered |
T4,T5,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,T4 |
Idle |
- |
1 |
0 |
- |
Covered |
T1,T2,T4 |
Idle |
- |
0 |
- |
- |
Covered |
T1,T2,T3 |
DataWait |
- |
- |
- |
1 |
Covered |
T1,T2,T4 |
DataWait |
- |
- |
- |
0 |
Covered |
T1,T2,T9 |
AckPls |
- |
- |
- |
- |
Covered |
T1,T2,T4 |
Error |
- |
- |
- |
- |
Covered |
T4,T5,T16 |
default |
- |
- |
- |
- |
Covered |
T16,T44,T77 |
98 if (local_escalate_i) begin
-1-
99 state_d = Error;
==>
100 // Tie off outputs, except for ack_sm_err_o.
101 ack_o = 1'b0;
102 fifo_clr_o = 1'b0;
103 fifo_pop_o = 1'b0;
104 end else if (!enable_i && state_q inside {EndPointClear, Idle, DataWait, AckPls}) begin
-2-
105 // Only disable if state is legal and not Disabled or Error.
106 // Even when disabled, illegal states must result in a transition to Error.
107 state_d = Disabled;
==>
108 // Tie off all outputs, except for ack_sm_err_o.
109 ack_o = 1'b0;
110 fifo_pop_o = 1'b0;
111 fifo_clr_o = 1'b0;
112 end
MISSING_ELSE
==>
Branches:
-1- | -2- | Status | Tests |
1 |
- |
Covered |
T4,T5,T16 |
0 |
1 |
Covered |
T9,T5,T10 |
0 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Module :
edn_ack_sm
Assertion Details
AckSmErrorStStable_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
68371723 |
975832 |
0 |
0 |
T4 |
5327 |
2506 |
0 |
0 |
T5 |
13755 |
1596 |
0 |
0 |
T6 |
32690 |
0 |
0 |
0 |
T7 |
0 |
2058 |
0 |
0 |
T9 |
14812 |
0 |
0 |
0 |
T10 |
14581 |
0 |
0 |
0 |
T16 |
0 |
103348 |
0 |
0 |
T17 |
0 |
49805 |
0 |
0 |
T25 |
7084 |
0 |
0 |
0 |
T26 |
9443 |
0 |
0 |
0 |
T27 |
7770 |
0 |
0 |
0 |
T30 |
19719 |
0 |
0 |
0 |
T43 |
0 |
4346 |
0 |
0 |
T44 |
0 |
7888 |
0 |
0 |
T70 |
0 |
4256 |
0 |
0 |
T73 |
12124 |
0 |
0 |
0 |
T77 |
0 |
1210 |
0 |
0 |
T78 |
0 |
4353 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
68371723 |
983987 |
0 |
0 |
T4 |
5327 |
2513 |
0 |
0 |
T5 |
13755 |
1603 |
0 |
0 |
T6 |
32690 |
0 |
0 |
0 |
T7 |
0 |
2065 |
0 |
0 |
T9 |
14812 |
0 |
0 |
0 |
T10 |
14581 |
0 |
0 |
0 |
T16 |
0 |
105168 |
0 |
0 |
T17 |
0 |
50715 |
0 |
0 |
T25 |
7084 |
0 |
0 |
0 |
T26 |
9443 |
0 |
0 |
0 |
T27 |
7770 |
0 |
0 |
0 |
T30 |
19719 |
0 |
0 |
0 |
T43 |
0 |
4353 |
0 |
0 |
T44 |
0 |
7895 |
0 |
0 |
T70 |
0 |
4263 |
0 |
0 |
T73 |
12124 |
0 |
0 |
0 |
T77 |
0 |
1217 |
0 |
0 |
T78 |
0 |
4360 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
68333910 |
67038791 |
0 |
0 |
T1 |
6580 |
6041 |
0 |
0 |
T2 |
12516 |
11858 |
0 |
0 |
T3 |
18774 |
18151 |
0 |
0 |
T4 |
5215 |
4284 |
0 |
0 |
T5 |
12515 |
11696 |
0 |
0 |
T9 |
14812 |
14231 |
0 |
0 |
T10 |
14581 |
13979 |
0 |
0 |
T25 |
7084 |
6657 |
0 |
0 |
T26 |
9443 |
8939 |
0 |
0 |
T27 |
7770 |
7406 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[0].u_edn_ack_sm_ep
| Line No. | Total | Covered | Percent |
TOTAL | | 32 | 32 | 100.00 |
ALWAYS | 52 | 3 | 3 | 100.00 |
ALWAYS | 55 | 29 | 29 | 100.00 |
51
52 3/3 `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled)
Tests: T1 T2 T3 | T1 T2 T3 | T1 T2 T3
PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled):
52.1 `ifdef SIMULATION
52.2 prim_sparse_fsm_flop #(
52.3 .StateEnumT(state_e),
52.4 .Width($bits(state_e)),
52.5 .ResetValue($bits(state_e)'(Disabled)),
52.6 .EnableAlertTriggerSVA(1),
52.7 .CustomForceName("state_q")
52.8 ) u_state_regs (
52.9 .clk_i ( clk_i ),
52.10 .rst_ni ( rst_ni ),
52.11 .state_i ( state_d ),
52.12 .state_o ( )
52.13 );
52.14 always_ff @(posedge clk_i or negedge rst_ni) begin
52.15 1/1 if (!rst_ni) begin
Tests: T1 T2 T3
52.16 1/1 state_q <= Disabled;
Tests: T1 T2 T3
52.17 end else begin
52.18 1/1 state_q <= state_d;
Tests: T1 T2 T3
52.19 end
52.20 end
52.21 u_state_regs_A: assert property (@(posedge clk_i) disable iff ((!rst_ni) !== '0) (state_q === u_state_regs.state_o))
52.22 else begin
52.23 `ifdef UVM
52.24 uvm_pkg::uvm_report_error("ASSERT FAILED", "u_state_regs_A", uvm_pkg::UVM_NONE,
52.25 "../src/lowrisc_ip_edn_0.1/rtl/edn_ack_sm.sv", 52, "", 1);
52.26 `else
52.27 $error("%0t: (%0s:%0d) [%m] [ASSERT FAILED] %0s", $time, `__FILE__, `__LINE__,
52.28 `PRIM_STRINGIFY(u_state_regs_A));
52.29 `endif
52.30 end
52.31 `else
52.32 prim_sparse_fsm_flop #(
52.33 .StateEnumT(state_e),
52.34 .Width($bits(state_e)),
52.35 .ResetValue($bits(state_e)'(Disabled)),
52.36 .EnableAlertTriggerSVA(1)
52.37 ) u_state_regs (
52.38 .clk_i ( `PRIM_FLOP_CLK ),
52.39 .rst_ni ( `PRIM_FLOP_RST ),
52.40 .state_i ( state_d ),
52.41 .state_o ( state_q )
52.42 );
52.43 `endif53
54 always_comb begin
55 1/1 state_d = state_q;
Tests: T1 T2 T3
56 1/1 ack_o = 1'b0;
Tests: T1 T2 T3
57 1/1 fifo_clr_o = 1'b0;
Tests: T1 T2 T3
58 1/1 fifo_pop_o = 1'b0;
Tests: T1 T2 T3
59 1/1 ack_sm_err_o = 1'b0;
Tests: T1 T2 T3
60 1/1 unique case (state_q)
Tests: T1 T2 T3
61 Disabled: begin
62 1/1 if (enable_i) begin
Tests: T1 T2 T3
63 1/1 state_d = EndPointClear;
Tests: T1 T2 T3
64 1/1 fifo_clr_o = 1'b1;
Tests: T1 T2 T3
65 end
MISSING_ELSE
66 end
67 EndPointClear: begin
68 1/1 state_d = Idle;
Tests: T1 T2 T3
69 end
70 Idle: begin
71 1/1 if (req_i) begin
Tests: T1 T2 T3
72 1/1 if (fifo_not_empty_i) begin
Tests: T1 T2 T4
73 1/1 fifo_pop_o = 1'b1;
Tests: T1 T2 T4
74 end
MISSING_ELSE
75 1/1 state_d = DataWait;
Tests: T1 T2 T4
76 end
MISSING_ELSE
77 end
78 DataWait: begin
79 1/1 if (fifo_not_empty_i) begin
Tests: T1 T2 T4
80 1/1 state_d = AckPls;
Tests: T1 T2 T4
81 end
MISSING_ELSE
82 end
83 AckPls: begin
84 1/1 ack_o = 1'b1;
Tests: T1 T2 T4
85 1/1 state_d = Idle;
Tests: T1 T2 T4
86 end
87 Error: begin
88 1/1 ack_sm_err_o = 1'b1;
Tests: T4 T5 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: T4 T5 T16
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T4 T5 T16
102 1/1 fifo_clr_o = 1'b0;
Tests: T4 T5 T16
103 1/1 fifo_pop_o = 1'b0;
Tests: T4 T5 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: T9 T5 T10
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T9 T5 T10
110 1/1 fifo_pop_o = 1'b0;
Tests: T9 T5 T10
111 1/1 fifo_clr_o = 1'b0;
Tests: T9 T5 T10
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 | T9,T5,T10 |
FSM Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[0].u_edn_ack_sm_ep
Summary for FSM :: state_q
| Total | Covered | Percent | |
States |
6 |
6 |
100.00 |
(Not included in score) |
Transitions |
14 |
12 |
85.71 |
|
Sequences |
0 |
0 |
|
|
State, Transition and Sequence Details for FSM :: state_q
states | Line No. | Covered | Tests |
AckPls |
80 |
Covered |
T1,T2,T4 |
DataWait |
75 |
Covered |
T1,T2,T4 |
Disabled |
107 |
Covered |
T1,T2,T3 |
EndPointClear |
63 |
Covered |
T1,T2,T3 |
Error |
99 |
Covered |
T4,T5,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,T4 |
DataWait->AckPls |
80 |
Covered |
T1,T2,T4 |
DataWait->Disabled |
107 |
Covered |
T20,T39,T41 |
DataWait->Error |
99 |
Covered |
T5,T192,T232 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T16,T17,T18 |
EndPointClear->Disabled |
107 |
Covered |
T231,T142,T132 |
EndPointClear->Error |
99 |
Covered |
T16,T17,T203 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T1,T2,T4 |
Idle->Disabled |
107 |
Covered |
T9,T5,T10 |
Idle->Error |
99 |
Covered |
T4,T16,T7 |
Branch Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[0].u_edn_ack_sm_ep
| Line No. | Total | Covered | Percent |
Branches |
|
16 |
16 |
100.00 |
IF |
52 |
2 |
2 |
100.00 |
CASE |
60 |
11 |
11 |
100.00 |
IF |
98 |
3 |
3 |
100.00 |
52 `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled)
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
60 unique case (state_q)
-1-
61 Disabled: begin
62 if (enable_i) begin
-2-
63 state_d = EndPointClear;
==>
64 fifo_clr_o = 1'b1;
65 end
MISSING_ELSE
==>
66 end
67 EndPointClear: begin
68 state_d = Idle;
==>
69 end
70 Idle: begin
71 if (req_i) begin
-3-
72 if (fifo_not_empty_i) begin
-4-
73 fifo_pop_o = 1'b1;
==>
74 end
MISSING_ELSE
==>
75 state_d = DataWait;
76 end
MISSING_ELSE
==>
77 end
78 DataWait: begin
79 if (fifo_not_empty_i) begin
-5-
80 state_d = AckPls;
==>
81 end
MISSING_ELSE
==>
82 end
83 AckPls: begin
84 ack_o = 1'b1;
==>
85 state_d = Idle;
86 end
87 Error: begin
88 ack_sm_err_o = 1'b1;
==>
89 end
90 default: begin
91 ack_sm_err_o = 1'b1;
==>
Branches:
-1- | -2- | -3- | -4- | -5- | Status | Tests |
Disabled |
1 |
- |
- |
- |
Covered |
T1,T2,T3 |
Disabled |
0 |
- |
- |
- |
Covered |
T1,T2,T3 |
EndPointClear |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
Idle |
- |
1 |
1 |
- |
Covered |
T1,T2,T4 |
Idle |
- |
1 |
0 |
- |
Covered |
T1,T2,T4 |
Idle |
- |
0 |
- |
- |
Covered |
T1,T2,T3 |
DataWait |
- |
- |
- |
1 |
Covered |
T1,T2,T4 |
DataWait |
- |
- |
- |
0 |
Covered |
T1,T2,T5 |
AckPls |
- |
- |
- |
- |
Covered |
T1,T2,T4 |
Error |
- |
- |
- |
- |
Covered |
T4,T5,T16 |
default |
- |
- |
- |
- |
Covered |
T16,T44,T77 |
98 if (local_escalate_i) begin
-1-
99 state_d = Error;
==>
100 // Tie off outputs, except for ack_sm_err_o.
101 ack_o = 1'b0;
102 fifo_clr_o = 1'b0;
103 fifo_pop_o = 1'b0;
104 end else if (!enable_i && state_q inside {EndPointClear, Idle, DataWait, AckPls}) begin
-2-
105 // Only disable if state is legal and not Disabled or Error.
106 // Even when disabled, illegal states must result in a transition to Error.
107 state_d = Disabled;
==>
108 // Tie off all outputs, except for ack_sm_err_o.
109 ack_o = 1'b0;
110 fifo_pop_o = 1'b0;
111 fifo_clr_o = 1'b0;
112 end
MISSING_ELSE
==>
Branches:
-1- | -2- | Status | Tests |
1 |
- |
Covered |
T4,T5,T16 |
0 |
1 |
Covered |
T9,T5,T10 |
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 |
9767389 |
137776 |
0 |
0 |
T4 |
761 |
358 |
0 |
0 |
T5 |
1965 |
228 |
0 |
0 |
T6 |
4670 |
0 |
0 |
0 |
T7 |
0 |
294 |
0 |
0 |
T9 |
2116 |
0 |
0 |
0 |
T10 |
2083 |
0 |
0 |
0 |
T16 |
0 |
14764 |
0 |
0 |
T17 |
0 |
7115 |
0 |
0 |
T25 |
1012 |
0 |
0 |
0 |
T26 |
1349 |
0 |
0 |
0 |
T27 |
1110 |
0 |
0 |
0 |
T30 |
2817 |
0 |
0 |
0 |
T43 |
0 |
578 |
0 |
0 |
T44 |
0 |
1084 |
0 |
0 |
T70 |
0 |
608 |
0 |
0 |
T73 |
1732 |
0 |
0 |
0 |
T77 |
0 |
130 |
0 |
0 |
T78 |
0 |
579 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
9767389 |
138941 |
0 |
0 |
T4 |
761 |
359 |
0 |
0 |
T5 |
1965 |
229 |
0 |
0 |
T6 |
4670 |
0 |
0 |
0 |
T7 |
0 |
295 |
0 |
0 |
T9 |
2116 |
0 |
0 |
0 |
T10 |
2083 |
0 |
0 |
0 |
T16 |
0 |
15024 |
0 |
0 |
T17 |
0 |
7245 |
0 |
0 |
T25 |
1012 |
0 |
0 |
0 |
T26 |
1349 |
0 |
0 |
0 |
T27 |
1110 |
0 |
0 |
0 |
T30 |
2817 |
0 |
0 |
0 |
T43 |
0 |
579 |
0 |
0 |
T44 |
0 |
1085 |
0 |
0 |
T70 |
0 |
609 |
0 |
0 |
T73 |
1732 |
0 |
0 |
0 |
T77 |
0 |
131 |
0 |
0 |
T78 |
0 |
580 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
9729576 |
9544559 |
0 |
0 |
T1 |
940 |
863 |
0 |
0 |
T2 |
1788 |
1694 |
0 |
0 |
T3 |
2682 |
2593 |
0 |
0 |
T4 |
649 |
516 |
0 |
0 |
T5 |
725 |
608 |
0 |
0 |
T9 |
2116 |
2033 |
0 |
0 |
T10 |
2083 |
1997 |
0 |
0 |
T25 |
1012 |
951 |
0 |
0 |
T26 |
1349 |
1277 |
0 |
0 |
T27 |
1110 |
1058 |
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: T30 T42 T48
73 1/1 fifo_pop_o = 1'b1;
Tests: T30 T42 T48
74 end
MISSING_ELSE
75 1/1 state_d = DataWait;
Tests: T30 T42 T48
76 end
MISSING_ELSE
77 end
78 DataWait: begin
79 1/1 if (fifo_not_empty_i) begin
Tests: T30 T42 T48
80 1/1 state_d = AckPls;
Tests: T30 T42 T48
81 end
MISSING_ELSE
82 end
83 AckPls: begin
84 1/1 ack_o = 1'b1;
Tests: T30 T42 T48
85 1/1 state_d = Idle;
Tests: T30 T42 T48
86 end
87 Error: begin
88 1/1 ack_sm_err_o = 1'b1;
Tests: T4 T5 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: T4 T5 T16
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T4 T5 T16
102 1/1 fifo_clr_o = 1'b0;
Tests: T4 T5 T16
103 1/1 fifo_pop_o = 1'b0;
Tests: T4 T5 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: T9 T5 T10
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T9 T5 T10
110 1/1 fifo_pop_o = 1'b0;
Tests: T9 T5 T10
111 1/1 fifo_clr_o = 1'b0;
Tests: T9 T5 T10
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 | T9,T5,T10 |
FSM Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[2].u_edn_ack_sm_ep
Summary for FSM :: state_q
| Total | Covered | Percent | |
States |
6 |
6 |
100.00 |
(Not included in score) |
Transitions |
14 |
12 |
85.71 |
|
Sequences |
0 |
0 |
|
|
State, Transition and Sequence Details for FSM :: state_q
states | Line No. | Covered | Tests |
AckPls |
80 |
Covered |
T30,T42,T48 |
DataWait |
75 |
Covered |
T30,T42,T48 |
Disabled |
107 |
Covered |
T1,T2,T3 |
EndPointClear |
63 |
Covered |
T1,T2,T3 |
Error |
99 |
Covered |
T4,T5,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 |
T30,T42,T48 |
DataWait->AckPls |
80 |
Covered |
T30,T42,T48 |
DataWait->Disabled |
107 |
Covered |
T183,T165,T233 |
DataWait->Error |
99 |
Covered |
T234,T224,T172 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T16,T17,T18 |
EndPointClear->Disabled |
107 |
Covered |
T231,T142,T132 |
EndPointClear->Error |
99 |
Covered |
T16,T17,T203 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T30,T42,T48 |
Idle->Disabled |
107 |
Covered |
T9,T5,T10 |
Idle->Error |
99 |
Covered |
T4,T5,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 |
T30,T42,T48 |
Idle |
- |
1 |
0 |
- |
Covered |
T30,T42,T48 |
Idle |
- |
0 |
- |
- |
Covered |
T1,T2,T3 |
DataWait |
- |
- |
- |
1 |
Covered |
T30,T42,T48 |
DataWait |
- |
- |
- |
0 |
Covered |
T30,T42,T48 |
AckPls |
- |
- |
- |
- |
Covered |
T30,T42,T48 |
Error |
- |
- |
- |
- |
Covered |
T4,T5,T16 |
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 |
T4,T5,T16 |
0 |
1 |
Covered |
T9,T5,T10 |
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 |
9767389 |
139676 |
0 |
0 |
T4 |
761 |
358 |
0 |
0 |
T5 |
1965 |
228 |
0 |
0 |
T6 |
4670 |
0 |
0 |
0 |
T7 |
0 |
294 |
0 |
0 |
T9 |
2116 |
0 |
0 |
0 |
T10 |
2083 |
0 |
0 |
0 |
T16 |
0 |
14764 |
0 |
0 |
T17 |
0 |
7115 |
0 |
0 |
T25 |
1012 |
0 |
0 |
0 |
T26 |
1349 |
0 |
0 |
0 |
T27 |
1110 |
0 |
0 |
0 |
T30 |
2817 |
0 |
0 |
0 |
T43 |
0 |
628 |
0 |
0 |
T44 |
0 |
1134 |
0 |
0 |
T70 |
0 |
608 |
0 |
0 |
T73 |
1732 |
0 |
0 |
0 |
T77 |
0 |
180 |
0 |
0 |
T78 |
0 |
629 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
9767389 |
140841 |
0 |
0 |
T4 |
761 |
359 |
0 |
0 |
T5 |
1965 |
229 |
0 |
0 |
T6 |
4670 |
0 |
0 |
0 |
T7 |
0 |
295 |
0 |
0 |
T9 |
2116 |
0 |
0 |
0 |
T10 |
2083 |
0 |
0 |
0 |
T16 |
0 |
15024 |
0 |
0 |
T17 |
0 |
7245 |
0 |
0 |
T25 |
1012 |
0 |
0 |
0 |
T26 |
1349 |
0 |
0 |
0 |
T27 |
1110 |
0 |
0 |
0 |
T30 |
2817 |
0 |
0 |
0 |
T43 |
0 |
629 |
0 |
0 |
T44 |
0 |
1135 |
0 |
0 |
T70 |
0 |
609 |
0 |
0 |
T73 |
1732 |
0 |
0 |
0 |
T77 |
0 |
181 |
0 |
0 |
T78 |
0 |
630 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
9767389 |
9582372 |
0 |
0 |
T1 |
940 |
863 |
0 |
0 |
T2 |
1788 |
1694 |
0 |
0 |
T3 |
2682 |
2593 |
0 |
0 |
T4 |
761 |
628 |
0 |
0 |
T5 |
1965 |
1848 |
0 |
0 |
T9 |
2116 |
2033 |
0 |
0 |
T10 |
2083 |
1997 |
0 |
0 |
T25 |
1012 |
951 |
0 |
0 |
T26 |
1349 |
1277 |
0 |
0 |
T27 |
1110 |
1058 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[3].u_edn_ack_sm_ep
| Line No. | Total | Covered | Percent |
TOTAL | | 32 | 32 | 100.00 |
ALWAYS | 52 | 3 | 3 | 100.00 |
ALWAYS | 55 | 29 | 29 | 100.00 |
51
52 3/3 `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled)
Tests: T1 T2 T3 | T1 T2 T3 | T1 T2 T3
PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled):
52.1 `ifdef SIMULATION
52.2 prim_sparse_fsm_flop #(
52.3 .StateEnumT(state_e),
52.4 .Width($bits(state_e)),
52.5 .ResetValue($bits(state_e)'(Disabled)),
52.6 .EnableAlertTriggerSVA(1),
52.7 .CustomForceName("state_q")
52.8 ) u_state_regs (
52.9 .clk_i ( clk_i ),
52.10 .rst_ni ( rst_ni ),
52.11 .state_i ( state_d ),
52.12 .state_o ( )
52.13 );
52.14 always_ff @(posedge clk_i or negedge rst_ni) begin
52.15 1/1 if (!rst_ni) begin
Tests: T1 T2 T3
52.16 1/1 state_q <= Disabled;
Tests: T1 T2 T3
52.17 end else begin
52.18 1/1 state_q <= state_d;
Tests: T1 T2 T3
52.19 end
52.20 end
52.21 u_state_regs_A: assert property (@(posedge clk_i) disable iff ((!rst_ni) !== '0) (state_q === u_state_regs.state_o))
52.22 else begin
52.23 `ifdef UVM
52.24 uvm_pkg::uvm_report_error("ASSERT FAILED", "u_state_regs_A", uvm_pkg::UVM_NONE,
52.25 "../src/lowrisc_ip_edn_0.1/rtl/edn_ack_sm.sv", 52, "", 1);
52.26 `else
52.27 $error("%0t: (%0s:%0d) [%m] [ASSERT FAILED] %0s", $time, `__FILE__, `__LINE__,
52.28 `PRIM_STRINGIFY(u_state_regs_A));
52.29 `endif
52.30 end
52.31 `else
52.32 prim_sparse_fsm_flop #(
52.33 .StateEnumT(state_e),
52.34 .Width($bits(state_e)),
52.35 .ResetValue($bits(state_e)'(Disabled)),
52.36 .EnableAlertTriggerSVA(1)
52.37 ) u_state_regs (
52.38 .clk_i ( `PRIM_FLOP_CLK ),
52.39 .rst_ni ( `PRIM_FLOP_RST ),
52.40 .state_i ( state_d ),
52.41 .state_o ( state_q )
52.42 );
52.43 `endif53
54 always_comb begin
55 1/1 state_d = state_q;
Tests: T1 T2 T3
56 1/1 ack_o = 1'b0;
Tests: T1 T2 T3
57 1/1 fifo_clr_o = 1'b0;
Tests: T1 T2 T3
58 1/1 fifo_pop_o = 1'b0;
Tests: T1 T2 T3
59 1/1 ack_sm_err_o = 1'b0;
Tests: T1 T2 T3
60 1/1 unique case (state_q)
Tests: T1 T2 T3
61 Disabled: begin
62 1/1 if (enable_i) begin
Tests: T1 T2 T3
63 1/1 state_d = EndPointClear;
Tests: T1 T2 T3
64 1/1 fifo_clr_o = 1'b1;
Tests: T1 T2 T3
65 end
MISSING_ELSE
66 end
67 EndPointClear: begin
68 1/1 state_d = Idle;
Tests: T1 T2 T3
69 end
70 Idle: begin
71 1/1 if (req_i) begin
Tests: T1 T2 T3
72 1/1 if (fifo_not_empty_i) begin
Tests: T3 T19 T77
73 1/1 fifo_pop_o = 1'b1;
Tests: T3 T19 T51
74 end
MISSING_ELSE
75 1/1 state_d = DataWait;
Tests: T3 T19 T77
76 end
MISSING_ELSE
77 end
78 DataWait: begin
79 1/1 if (fifo_not_empty_i) begin
Tests: T3 T19 T77
80 1/1 state_d = AckPls;
Tests: T3 T19 T51
81 end
MISSING_ELSE
82 end
83 AckPls: begin
84 1/1 ack_o = 1'b1;
Tests: T3 T19 T51
85 1/1 state_d = Idle;
Tests: T3 T19 T51
86 end
87 Error: begin
88 1/1 ack_sm_err_o = 1'b1;
Tests: T4 T5 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: T4 T5 T16
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T4 T5 T16
102 1/1 fifo_clr_o = 1'b0;
Tests: T4 T5 T16
103 1/1 fifo_pop_o = 1'b0;
Tests: T4 T5 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: T9 T5 T10
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T9 T5 T10
110 1/1 fifo_pop_o = 1'b0;
Tests: T9 T5 T10
111 1/1 fifo_clr_o = 1'b0;
Tests: T9 T5 T10
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 | T9,T5,T10 |
FSM Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[3].u_edn_ack_sm_ep
Summary for FSM :: state_q
| Total | Covered | Percent | |
States |
6 |
6 |
100.00 |
(Not included in score) |
Transitions |
14 |
12 |
85.71 |
|
Sequences |
0 |
0 |
|
|
State, Transition and Sequence Details for FSM :: state_q
states | Line No. | Covered | Tests |
AckPls |
80 |
Covered |
T3,T19,T51 |
DataWait |
75 |
Covered |
T3,T19,T77 |
Disabled |
107 |
Covered |
T1,T2,T3 |
EndPointClear |
63 |
Covered |
T1,T2,T3 |
Error |
99 |
Covered |
T4,T5,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 |
T3,T19,T51 |
DataWait->AckPls |
80 |
Covered |
T3,T19,T51 |
DataWait->Disabled |
107 |
Covered |
T92,T94,T95 |
DataWait->Error |
99 |
Covered |
T77,T71,T178 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T16,T17,T18 |
EndPointClear->Disabled |
107 |
Covered |
T231,T142,T132 |
EndPointClear->Error |
99 |
Covered |
T16,T17,T203 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T3,T19,T77 |
Idle->Disabled |
107 |
Covered |
T9,T5,T10 |
Idle->Error |
99 |
Covered |
T4,T5,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 |
T3,T19,T51 |
Idle |
- |
1 |
0 |
- |
Covered |
T3,T19,T77 |
Idle |
- |
0 |
- |
- |
Covered |
T1,T2,T3 |
DataWait |
- |
- |
- |
1 |
Covered |
T3,T19,T51 |
DataWait |
- |
- |
- |
0 |
Covered |
T3,T19,T77 |
AckPls |
- |
- |
- |
- |
Covered |
T3,T19,T51 |
Error |
- |
- |
- |
- |
Covered |
T4,T5,T16 |
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 |
T4,T5,T16 |
0 |
1 |
Covered |
T9,T5,T10 |
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 |
9767389 |
139676 |
0 |
0 |
T4 |
761 |
358 |
0 |
0 |
T5 |
1965 |
228 |
0 |
0 |
T6 |
4670 |
0 |
0 |
0 |
T7 |
0 |
294 |
0 |
0 |
T9 |
2116 |
0 |
0 |
0 |
T10 |
2083 |
0 |
0 |
0 |
T16 |
0 |
14764 |
0 |
0 |
T17 |
0 |
7115 |
0 |
0 |
T25 |
1012 |
0 |
0 |
0 |
T26 |
1349 |
0 |
0 |
0 |
T27 |
1110 |
0 |
0 |
0 |
T30 |
2817 |
0 |
0 |
0 |
T43 |
0 |
628 |
0 |
0 |
T44 |
0 |
1134 |
0 |
0 |
T70 |
0 |
608 |
0 |
0 |
T73 |
1732 |
0 |
0 |
0 |
T77 |
0 |
180 |
0 |
0 |
T78 |
0 |
629 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
9767389 |
140841 |
0 |
0 |
T4 |
761 |
359 |
0 |
0 |
T5 |
1965 |
229 |
0 |
0 |
T6 |
4670 |
0 |
0 |
0 |
T7 |
0 |
295 |
0 |
0 |
T9 |
2116 |
0 |
0 |
0 |
T10 |
2083 |
0 |
0 |
0 |
T16 |
0 |
15024 |
0 |
0 |
T17 |
0 |
7245 |
0 |
0 |
T25 |
1012 |
0 |
0 |
0 |
T26 |
1349 |
0 |
0 |
0 |
T27 |
1110 |
0 |
0 |
0 |
T30 |
2817 |
0 |
0 |
0 |
T43 |
0 |
629 |
0 |
0 |
T44 |
0 |
1135 |
0 |
0 |
T70 |
0 |
609 |
0 |
0 |
T73 |
1732 |
0 |
0 |
0 |
T77 |
0 |
181 |
0 |
0 |
T78 |
0 |
630 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
9767389 |
9582372 |
0 |
0 |
T1 |
940 |
863 |
0 |
0 |
T2 |
1788 |
1694 |
0 |
0 |
T3 |
2682 |
2593 |
0 |
0 |
T4 |
761 |
628 |
0 |
0 |
T5 |
1965 |
1848 |
0 |
0 |
T9 |
2116 |
2033 |
0 |
0 |
T10 |
2083 |
1997 |
0 |
0 |
T25 |
1012 |
951 |
0 |
0 |
T26 |
1349 |
1277 |
0 |
0 |
T27 |
1110 |
1058 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[1].u_edn_ack_sm_ep
| Line No. | Total | Covered | Percent |
TOTAL | | 32 | 32 | 100.00 |
ALWAYS | 52 | 3 | 3 | 100.00 |
ALWAYS | 55 | 29 | 29 | 100.00 |
51
52 3/3 `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled)
Tests: T1 T2 T3 | T1 T2 T3 | T1 T2 T3
PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Disabled):
52.1 `ifdef SIMULATION
52.2 prim_sparse_fsm_flop #(
52.3 .StateEnumT(state_e),
52.4 .Width($bits(state_e)),
52.5 .ResetValue($bits(state_e)'(Disabled)),
52.6 .EnableAlertTriggerSVA(1),
52.7 .CustomForceName("state_q")
52.8 ) u_state_regs (
52.9 .clk_i ( clk_i ),
52.10 .rst_ni ( rst_ni ),
52.11 .state_i ( state_d ),
52.12 .state_o ( )
52.13 );
52.14 always_ff @(posedge clk_i or negedge rst_ni) begin
52.15 1/1 if (!rst_ni) begin
Tests: T1 T2 T3
52.16 1/1 state_q <= Disabled;
Tests: T1 T2 T3
52.17 end else begin
52.18 1/1 state_q <= state_d;
Tests: T1 T2 T3
52.19 end
52.20 end
52.21 u_state_regs_A: assert property (@(posedge clk_i) disable iff ((!rst_ni) !== '0) (state_q === u_state_regs.state_o))
52.22 else begin
52.23 `ifdef UVM
52.24 uvm_pkg::uvm_report_error("ASSERT FAILED", "u_state_regs_A", uvm_pkg::UVM_NONE,
52.25 "../src/lowrisc_ip_edn_0.1/rtl/edn_ack_sm.sv", 52, "", 1);
52.26 `else
52.27 $error("%0t: (%0s:%0d) [%m] [ASSERT FAILED] %0s", $time, `__FILE__, `__LINE__,
52.28 `PRIM_STRINGIFY(u_state_regs_A));
52.29 `endif
52.30 end
52.31 `else
52.32 prim_sparse_fsm_flop #(
52.33 .StateEnumT(state_e),
52.34 .Width($bits(state_e)),
52.35 .ResetValue($bits(state_e)'(Disabled)),
52.36 .EnableAlertTriggerSVA(1)
52.37 ) u_state_regs (
52.38 .clk_i ( `PRIM_FLOP_CLK ),
52.39 .rst_ni ( `PRIM_FLOP_RST ),
52.40 .state_i ( state_d ),
52.41 .state_o ( state_q )
52.42 );
52.43 `endif53
54 always_comb begin
55 1/1 state_d = state_q;
Tests: T1 T2 T3
56 1/1 ack_o = 1'b0;
Tests: T1 T2 T3
57 1/1 fifo_clr_o = 1'b0;
Tests: T1 T2 T3
58 1/1 fifo_pop_o = 1'b0;
Tests: T1 T2 T3
59 1/1 ack_sm_err_o = 1'b0;
Tests: T1 T2 T3
60 1/1 unique case (state_q)
Tests: T1 T2 T3
61 Disabled: begin
62 1/1 if (enable_i) begin
Tests: T1 T2 T3
63 1/1 state_d = EndPointClear;
Tests: T1 T2 T3
64 1/1 fifo_clr_o = 1'b1;
Tests: T1 T2 T3
65 end
MISSING_ELSE
66 end
67 EndPointClear: begin
68 1/1 state_d = Idle;
Tests: T1 T2 T3
69 end
70 Idle: begin
71 1/1 if (req_i) begin
Tests: T1 T2 T3
72 1/1 if (fifo_not_empty_i) begin
Tests: T9 T10 T25
73 1/1 fifo_pop_o = 1'b1;
Tests: T9 T10 T25
74 end
MISSING_ELSE
75 1/1 state_d = DataWait;
Tests: T9 T10 T25
76 end
MISSING_ELSE
77 end
78 DataWait: begin
79 1/1 if (fifo_not_empty_i) begin
Tests: T9 T10 T25
80 1/1 state_d = AckPls;
Tests: T9 T10 T25
81 end
MISSING_ELSE
82 end
83 AckPls: begin
84 1/1 ack_o = 1'b1;
Tests: T9 T10 T25
85 1/1 state_d = Idle;
Tests: T9 T10 T25
86 end
87 Error: begin
88 1/1 ack_sm_err_o = 1'b1;
Tests: T4 T5 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: T4 T5 T16
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T4 T5 T16
102 1/1 fifo_clr_o = 1'b0;
Tests: T4 T5 T16
103 1/1 fifo_pop_o = 1'b0;
Tests: T4 T5 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: T9 T5 T10
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T9 T5 T10
110 1/1 fifo_pop_o = 1'b0;
Tests: T9 T5 T10
111 1/1 fifo_clr_o = 1'b0;
Tests: T9 T5 T10
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 | T9,T5,T10 |
FSM Coverage for Instance : tb.dut.u_edn_core.gen_ep_blk[1].u_edn_ack_sm_ep
Summary for FSM :: state_q
| Total | Covered | Percent | |
States |
6 |
6 |
100.00 |
(Not included in score) |
Transitions |
14 |
13 |
92.86 |
|
Sequences |
0 |
0 |
|
|
State, Transition and Sequence Details for FSM :: state_q
states | Line No. | Covered | Tests |
AckPls |
80 |
Covered |
T9,T10,T25 |
DataWait |
75 |
Covered |
T9,T10,T25 |
Disabled |
107 |
Covered |
T1,T2,T3 |
EndPointClear |
63 |
Covered |
T1,T2,T3 |
Error |
99 |
Covered |
T4,T5,T16 |
Idle |
68 |
Covered |
T1,T2,T3 |
transitions | Line No. | Covered | Tests |
AckPls->Disabled |
107 |
Covered |
T25 |
AckPls->Error |
99 |
Not Covered |
|
AckPls->Idle |
85 |
Covered |
T9,T10,T25 |
DataWait->AckPls |
80 |
Covered |
T9,T10,T25 |
DataWait->Disabled |
107 |
Covered |
T10,T235,T236 |
DataWait->Error |
99 |
Covered |
T78,T163,T201 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T16,T17,T18 |
EndPointClear->Disabled |
107 |
Covered |
T231,T142,T132 |
EndPointClear->Error |
99 |
Covered |
T16,T17,T203 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T9,T10,T25 |
Idle->Disabled |
107 |
Covered |
T9,T5,T10 |
Idle->Error |
99 |
Covered |
T4,T5,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 |
T9,T10,T25 |
Idle |
- |
1 |
0 |
- |
Covered |
T9,T10,T25 |
Idle |
- |
0 |
- |
- |
Covered |
T1,T2,T3 |
DataWait |
- |
- |
- |
1 |
Covered |
T9,T10,T25 |
DataWait |
- |
- |
- |
0 |
Covered |
T9,T10,T25 |
AckPls |
- |
- |
- |
- |
Covered |
T9,T10,T25 |
Error |
- |
- |
- |
- |
Covered |
T4,T5,T16 |
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 |
T4,T5,T16 |
0 |
1 |
Covered |
T9,T5,T10 |
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 |
9767389 |
139676 |
0 |
0 |
T4 |
761 |
358 |
0 |
0 |
T5 |
1965 |
228 |
0 |
0 |
T6 |
4670 |
0 |
0 |
0 |
T7 |
0 |
294 |
0 |
0 |
T9 |
2116 |
0 |
0 |
0 |
T10 |
2083 |
0 |
0 |
0 |
T16 |
0 |
14764 |
0 |
0 |
T17 |
0 |
7115 |
0 |
0 |
T25 |
1012 |
0 |
0 |
0 |
T26 |
1349 |
0 |
0 |
0 |
T27 |
1110 |
0 |
0 |
0 |
T30 |
2817 |
0 |
0 |
0 |
T43 |
0 |
628 |
0 |
0 |
T44 |
0 |
1134 |
0 |
0 |
T70 |
0 |
608 |
0 |
0 |
T73 |
1732 |
0 |
0 |
0 |
T77 |
0 |
180 |
0 |
0 |
T78 |
0 |
629 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
9767389 |
140841 |
0 |
0 |
T4 |
761 |
359 |
0 |
0 |
T5 |
1965 |
229 |
0 |
0 |
T6 |
4670 |
0 |
0 |
0 |
T7 |
0 |
295 |
0 |
0 |
T9 |
2116 |
0 |
0 |
0 |
T10 |
2083 |
0 |
0 |
0 |
T16 |
0 |
15024 |
0 |
0 |
T17 |
0 |
7245 |
0 |
0 |
T25 |
1012 |
0 |
0 |
0 |
T26 |
1349 |
0 |
0 |
0 |
T27 |
1110 |
0 |
0 |
0 |
T30 |
2817 |
0 |
0 |
0 |
T43 |
0 |
629 |
0 |
0 |
T44 |
0 |
1135 |
0 |
0 |
T70 |
0 |
609 |
0 |
0 |
T73 |
1732 |
0 |
0 |
0 |
T77 |
0 |
181 |
0 |
0 |
T78 |
0 |
630 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
9767389 |
9582372 |
0 |
0 |
T1 |
940 |
863 |
0 |
0 |
T2 |
1788 |
1694 |
0 |
0 |
T3 |
2682 |
2593 |
0 |
0 |
T4 |
761 |
628 |
0 |
0 |
T5 |
1965 |
1848 |
0 |
0 |
T9 |
2116 |
2033 |
0 |
0 |
T10 |
2083 |
1997 |
0 |
0 |
T25 |
1012 |
951 |
0 |
0 |
T26 |
1349 |
1277 |
0 |
0 |
T27 |
1110 |
1058 |
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: T20 T21 T54
73 1/1 fifo_pop_o = 1'b1;
Tests: T20 T21 T54
74 end
MISSING_ELSE
75 1/1 state_d = DataWait;
Tests: T20 T21 T54
76 end
MISSING_ELSE
77 end
78 DataWait: begin
79 1/1 if (fifo_not_empty_i) begin
Tests: T20 T21 T54
80 1/1 state_d = AckPls;
Tests: T20 T21 T54
81 end
MISSING_ELSE
82 end
83 AckPls: begin
84 1/1 ack_o = 1'b1;
Tests: T20 T21 T54
85 1/1 state_d = Idle;
Tests: T20 T21 T54
86 end
87 Error: begin
88 1/1 ack_sm_err_o = 1'b1;
Tests: T4 T5 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: T4 T5 T16
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T4 T5 T16
102 1/1 fifo_clr_o = 1'b0;
Tests: T4 T5 T16
103 1/1 fifo_pop_o = 1'b0;
Tests: T4 T5 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: T9 T5 T10
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T9 T5 T10
110 1/1 fifo_pop_o = 1'b0;
Tests: T9 T5 T10
111 1/1 fifo_clr_o = 1'b0;
Tests: T9 T5 T10
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 | T9,T5,T10 |
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 |
T20,T21,T54 |
DataWait |
75 |
Covered |
T20,T21,T54 |
Disabled |
107 |
Covered |
T1,T2,T3 |
EndPointClear |
63 |
Covered |
T1,T2,T3 |
Error |
99 |
Covered |
T4,T5,T16 |
Idle |
68 |
Covered |
T1,T2,T3 |
transitions | Line No. | Covered | Tests |
AckPls->Disabled |
107 |
Covered |
T108 |
AckPls->Error |
99 |
Not Covered |
|
AckPls->Idle |
85 |
Covered |
T20,T21,T54 |
DataWait->AckPls |
80 |
Covered |
T20,T21,T54 |
DataWait->Disabled |
107 |
Covered |
T98,T237 |
DataWait->Error |
99 |
Covered |
T205,T238 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T16,T17,T18 |
EndPointClear->Disabled |
107 |
Covered |
T231,T142,T132 |
EndPointClear->Error |
99 |
Covered |
T16,T17,T203 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T20,T21,T54 |
Idle->Disabled |
107 |
Covered |
T9,T5,T10 |
Idle->Error |
99 |
Covered |
T4,T5,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 |
T20,T21,T54 |
Idle |
- |
1 |
0 |
- |
Covered |
T20,T21,T54 |
Idle |
- |
0 |
- |
- |
Covered |
T1,T2,T3 |
DataWait |
- |
- |
- |
1 |
Covered |
T20,T21,T54 |
DataWait |
- |
- |
- |
0 |
Covered |
T20,T21,T54 |
AckPls |
- |
- |
- |
- |
Covered |
T20,T21,T54 |
Error |
- |
- |
- |
- |
Covered |
T4,T5,T16 |
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 |
T4,T5,T16 |
0 |
1 |
Covered |
T9,T5,T10 |
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 |
9767389 |
139676 |
0 |
0 |
T4 |
761 |
358 |
0 |
0 |
T5 |
1965 |
228 |
0 |
0 |
T6 |
4670 |
0 |
0 |
0 |
T7 |
0 |
294 |
0 |
0 |
T9 |
2116 |
0 |
0 |
0 |
T10 |
2083 |
0 |
0 |
0 |
T16 |
0 |
14764 |
0 |
0 |
T17 |
0 |
7115 |
0 |
0 |
T25 |
1012 |
0 |
0 |
0 |
T26 |
1349 |
0 |
0 |
0 |
T27 |
1110 |
0 |
0 |
0 |
T30 |
2817 |
0 |
0 |
0 |
T43 |
0 |
628 |
0 |
0 |
T44 |
0 |
1134 |
0 |
0 |
T70 |
0 |
608 |
0 |
0 |
T73 |
1732 |
0 |
0 |
0 |
T77 |
0 |
180 |
0 |
0 |
T78 |
0 |
629 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
9767389 |
140841 |
0 |
0 |
T4 |
761 |
359 |
0 |
0 |
T5 |
1965 |
229 |
0 |
0 |
T6 |
4670 |
0 |
0 |
0 |
T7 |
0 |
295 |
0 |
0 |
T9 |
2116 |
0 |
0 |
0 |
T10 |
2083 |
0 |
0 |
0 |
T16 |
0 |
15024 |
0 |
0 |
T17 |
0 |
7245 |
0 |
0 |
T25 |
1012 |
0 |
0 |
0 |
T26 |
1349 |
0 |
0 |
0 |
T27 |
1110 |
0 |
0 |
0 |
T30 |
2817 |
0 |
0 |
0 |
T43 |
0 |
629 |
0 |
0 |
T44 |
0 |
1135 |
0 |
0 |
T70 |
0 |
609 |
0 |
0 |
T73 |
1732 |
0 |
0 |
0 |
T77 |
0 |
181 |
0 |
0 |
T78 |
0 |
630 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
9767389 |
9582372 |
0 |
0 |
T1 |
940 |
863 |
0 |
0 |
T2 |
1788 |
1694 |
0 |
0 |
T3 |
2682 |
2593 |
0 |
0 |
T4 |
761 |
628 |
0 |
0 |
T5 |
1965 |
1848 |
0 |
0 |
T9 |
2116 |
2033 |
0 |
0 |
T10 |
2083 |
1997 |
0 |
0 |
T25 |
1012 |
951 |
0 |
0 |
T26 |
1349 |
1277 |
0 |
0 |
T27 |
1110 |
1058 |
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: T30 T31 T58
73 1/1 fifo_pop_o = 1'b1;
Tests: T30 T31 T58
74 end
MISSING_ELSE
75 1/1 state_d = DataWait;
Tests: T30 T31 T58
76 end
MISSING_ELSE
77 end
78 DataWait: begin
79 1/1 if (fifo_not_empty_i) begin
Tests: T30 T31 T58
80 1/1 state_d = AckPls;
Tests: T30 T31 T58
81 end
MISSING_ELSE
82 end
83 AckPls: begin
84 1/1 ack_o = 1'b1;
Tests: T30 T31 T58
85 1/1 state_d = Idle;
Tests: T30 T31 T58
86 end
87 Error: begin
88 1/1 ack_sm_err_o = 1'b1;
Tests: T4 T5 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: T4 T5 T16
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T4 T5 T16
102 1/1 fifo_clr_o = 1'b0;
Tests: T4 T5 T16
103 1/1 fifo_pop_o = 1'b0;
Tests: T4 T5 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: T9 T5 T10
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T9 T5 T10
110 1/1 fifo_pop_o = 1'b0;
Tests: T9 T5 T10
111 1/1 fifo_clr_o = 1'b0;
Tests: T9 T5 T10
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 | T9,T5,T10 |
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 |
T30,T31,T58 |
DataWait |
75 |
Covered |
T30,T31,T58 |
Disabled |
107 |
Covered |
T1,T2,T3 |
EndPointClear |
63 |
Covered |
T1,T2,T3 |
Error |
99 |
Covered |
T4,T5,T16 |
Idle |
68 |
Covered |
T1,T2,T3 |
transitions | Line No. | Covered | Tests |
AckPls->Disabled |
107 |
Covered |
T61 |
AckPls->Error |
99 |
Not Covered |
|
AckPls->Idle |
85 |
Covered |
T30,T31,T58 |
DataWait->AckPls |
80 |
Covered |
T30,T31,T58 |
DataWait->Disabled |
107 |
Covered |
T31,T99,T239 |
DataWait->Error |
99 |
Covered |
T216,T240,T198 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T16,T17,T18 |
EndPointClear->Disabled |
107 |
Covered |
T231,T142,T132 |
EndPointClear->Error |
99 |
Covered |
T16,T17,T203 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T30,T31,T58 |
Idle->Disabled |
107 |
Covered |
T9,T5,T10 |
Idle->Error |
99 |
Covered |
T4,T5,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 |
T30,T31,T58 |
Idle |
- |
1 |
0 |
- |
Covered |
T30,T31,T58 |
Idle |
- |
0 |
- |
- |
Covered |
T1,T2,T3 |
DataWait |
- |
- |
- |
1 |
Covered |
T30,T31,T58 |
DataWait |
- |
- |
- |
0 |
Covered |
T30,T31,T58 |
AckPls |
- |
- |
- |
- |
Covered |
T30,T31,T58 |
Error |
- |
- |
- |
- |
Covered |
T4,T5,T16 |
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 |
T4,T5,T16 |
0 |
1 |
Covered |
T9,T5,T10 |
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 |
9767389 |
139676 |
0 |
0 |
T4 |
761 |
358 |
0 |
0 |
T5 |
1965 |
228 |
0 |
0 |
T6 |
4670 |
0 |
0 |
0 |
T7 |
0 |
294 |
0 |
0 |
T9 |
2116 |
0 |
0 |
0 |
T10 |
2083 |
0 |
0 |
0 |
T16 |
0 |
14764 |
0 |
0 |
T17 |
0 |
7115 |
0 |
0 |
T25 |
1012 |
0 |
0 |
0 |
T26 |
1349 |
0 |
0 |
0 |
T27 |
1110 |
0 |
0 |
0 |
T30 |
2817 |
0 |
0 |
0 |
T43 |
0 |
628 |
0 |
0 |
T44 |
0 |
1134 |
0 |
0 |
T70 |
0 |
608 |
0 |
0 |
T73 |
1732 |
0 |
0 |
0 |
T77 |
0 |
180 |
0 |
0 |
T78 |
0 |
629 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
9767389 |
140841 |
0 |
0 |
T4 |
761 |
359 |
0 |
0 |
T5 |
1965 |
229 |
0 |
0 |
T6 |
4670 |
0 |
0 |
0 |
T7 |
0 |
295 |
0 |
0 |
T9 |
2116 |
0 |
0 |
0 |
T10 |
2083 |
0 |
0 |
0 |
T16 |
0 |
15024 |
0 |
0 |
T17 |
0 |
7245 |
0 |
0 |
T25 |
1012 |
0 |
0 |
0 |
T26 |
1349 |
0 |
0 |
0 |
T27 |
1110 |
0 |
0 |
0 |
T30 |
2817 |
0 |
0 |
0 |
T43 |
0 |
629 |
0 |
0 |
T44 |
0 |
1135 |
0 |
0 |
T70 |
0 |
609 |
0 |
0 |
T73 |
1732 |
0 |
0 |
0 |
T77 |
0 |
181 |
0 |
0 |
T78 |
0 |
630 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
9767389 |
9582372 |
0 |
0 |
T1 |
940 |
863 |
0 |
0 |
T2 |
1788 |
1694 |
0 |
0 |
T3 |
2682 |
2593 |
0 |
0 |
T4 |
761 |
628 |
0 |
0 |
T5 |
1965 |
1848 |
0 |
0 |
T9 |
2116 |
2033 |
0 |
0 |
T10 |
2083 |
1997 |
0 |
0 |
T25 |
1012 |
951 |
0 |
0 |
T26 |
1349 |
1277 |
0 |
0 |
T27 |
1110 |
1058 |
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 T43 T63
73 1/1 fifo_pop_o = 1'b1;
Tests: T43 T63 T52
74 end
MISSING_ELSE
75 1/1 state_d = DataWait;
Tests: T7 T43 T63
76 end
MISSING_ELSE
77 end
78 DataWait: begin
79 1/1 if (fifo_not_empty_i) begin
Tests: T7 T43 T63
80 1/1 state_d = AckPls;
Tests: T43 T63 T52
81 end
MISSING_ELSE
82 end
83 AckPls: begin
84 1/1 ack_o = 1'b1;
Tests: T43 T63 T52
85 1/1 state_d = Idle;
Tests: T43 T63 T52
86 end
87 Error: begin
88 1/1 ack_sm_err_o = 1'b1;
Tests: T4 T5 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: T4 T5 T16
100 // Tie off outputs, except for ack_sm_err_o.
101 1/1 ack_o = 1'b0;
Tests: T4 T5 T16
102 1/1 fifo_clr_o = 1'b0;
Tests: T4 T5 T16
103 1/1 fifo_pop_o = 1'b0;
Tests: T4 T5 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: T9 T5 T10
108 // Tie off all outputs, except for ack_sm_err_o.
109 1/1 ack_o = 1'b0;
Tests: T9 T5 T10
110 1/1 fifo_pop_o = 1'b0;
Tests: T9 T5 T10
111 1/1 fifo_clr_o = 1'b0;
Tests: T9 T5 T10
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 | T9,T5,T10 |
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 |
T43,T63,T52 |
DataWait |
75 |
Covered |
T7,T43,T63 |
Disabled |
107 |
Covered |
T1,T2,T3 |
EndPointClear |
63 |
Covered |
T1,T2,T3 |
Error |
99 |
Covered |
T4,T5,T16 |
Idle |
68 |
Covered |
T1,T2,T3 |
transitions | Line No. | Covered | Tests |
AckPls->Disabled |
107 |
Covered |
T64 |
AckPls->Error |
99 |
Not Covered |
|
AckPls->Idle |
85 |
Covered |
T43,T63,T52 |
DataWait->AckPls |
80 |
Covered |
T43,T63,T52 |
DataWait->Disabled |
107 |
Covered |
T119,T65,T123 |
DataWait->Error |
99 |
Covered |
T7,T230,T222 |
Disabled->EndPointClear |
63 |
Covered |
T1,T2,T3 |
Disabled->Error |
99 |
Covered |
T16,T17,T18 |
EndPointClear->Disabled |
107 |
Covered |
T231,T142,T132 |
EndPointClear->Error |
99 |
Covered |
T16,T17,T203 |
EndPointClear->Idle |
68 |
Covered |
T1,T2,T3 |
Idle->DataWait |
75 |
Covered |
T7,T43,T63 |
Idle->Disabled |
107 |
Covered |
T9,T5,T10 |
Idle->Error |
99 |
Covered |
T4,T5,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 |
T43,T63,T52 |
Idle |
- |
1 |
0 |
- |
Covered |
T7,T43,T63 |
Idle |
- |
0 |
- |
- |
Covered |
T1,T2,T3 |
DataWait |
- |
- |
- |
1 |
Covered |
T43,T63,T52 |
DataWait |
- |
- |
- |
0 |
Covered |
T7,T52,T114 |
AckPls |
- |
- |
- |
- |
Covered |
T43,T63,T52 |
Error |
- |
- |
- |
- |
Covered |
T4,T5,T16 |
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 |
T4,T5,T16 |
0 |
1 |
Covered |
T9,T5,T10 |
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 |
9767389 |
139676 |
0 |
0 |
T4 |
761 |
358 |
0 |
0 |
T5 |
1965 |
228 |
0 |
0 |
T6 |
4670 |
0 |
0 |
0 |
T7 |
0 |
294 |
0 |
0 |
T9 |
2116 |
0 |
0 |
0 |
T10 |
2083 |
0 |
0 |
0 |
T16 |
0 |
14764 |
0 |
0 |
T17 |
0 |
7115 |
0 |
0 |
T25 |
1012 |
0 |
0 |
0 |
T26 |
1349 |
0 |
0 |
0 |
T27 |
1110 |
0 |
0 |
0 |
T30 |
2817 |
0 |
0 |
0 |
T43 |
0 |
628 |
0 |
0 |
T44 |
0 |
1134 |
0 |
0 |
T70 |
0 |
608 |
0 |
0 |
T73 |
1732 |
0 |
0 |
0 |
T77 |
0 |
180 |
0 |
0 |
T78 |
0 |
629 |
0 |
0 |
FpvSecCmErrorStEscalate_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
9767389 |
140841 |
0 |
0 |
T4 |
761 |
359 |
0 |
0 |
T5 |
1965 |
229 |
0 |
0 |
T6 |
4670 |
0 |
0 |
0 |
T7 |
0 |
295 |
0 |
0 |
T9 |
2116 |
0 |
0 |
0 |
T10 |
2083 |
0 |
0 |
0 |
T16 |
0 |
15024 |
0 |
0 |
T17 |
0 |
7245 |
0 |
0 |
T25 |
1012 |
0 |
0 |
0 |
T26 |
1349 |
0 |
0 |
0 |
T27 |
1110 |
0 |
0 |
0 |
T30 |
2817 |
0 |
0 |
0 |
T43 |
0 |
629 |
0 |
0 |
T44 |
0 |
1135 |
0 |
0 |
T70 |
0 |
609 |
0 |
0 |
T73 |
1732 |
0 |
0 |
0 |
T77 |
0 |
181 |
0 |
0 |
T78 |
0 |
630 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
9767389 |
9582372 |
0 |
0 |
T1 |
940 |
863 |
0 |
0 |
T2 |
1788 |
1694 |
0 |
0 |
T3 |
2682 |
2593 |
0 |
0 |
T4 |
761 |
628 |
0 |
0 |
T5 |
1965 |
1848 |
0 |
0 |
T9 |
2116 |
2033 |
0 |
0 |
T10 |
2083 |
1997 |
0 |
0 |
T25 |
1012 |
951 |
0 |
0 |
T26 |
1349 |
1277 |
0 |
0 |
T27 |
1110 |
1058 |
0 |
0 |