Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_0_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
| TOTAL | | 7 | 7 | 100.00 |
| ALWAYS | 31 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 49 | 0 | 0 | |
| CONT_ASSIGN | 52 | 0 | 0 | |
| ALWAYS | 55 | 0 | 0 | |
| ALWAYS | 89 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T2 T6 T13
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_0_cdc.u_src_to_dst_req
| Total | Covered | Percent |
| Conditions | 8 | 8 | 100.00 |
| Logical | 8 | 8 | 100.00 |
| Non-Logical | 0 | 0 | |
| Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T2,T6,T13 |
| 1 | 0 | Covered | T2,T6,T13 |
| 1 | 1 | Covered | T2,T6,T13 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T2,T6,T13 |
| 1 | 0 | Covered | T2,T6,T13 |
| 1 | 1 | Covered | T2,T6,T13 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_0_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
| Branches |
|
4 |
4 |
100.00 |
| IF |
31 |
2 |
2 |
100.00 |
| IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_0_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1713796 |
224 |
0 |
0 |
| T2 |
484 |
2 |
0 |
0 |
| T3 |
312 |
0 |
0 |
0 |
| T4 |
448 |
0 |
0 |
0 |
| T5 |
402 |
0 |
0 |
0 |
| T6 |
600 |
2 |
0 |
0 |
| T7 |
442 |
0 |
0 |
0 |
| T8 |
475 |
0 |
0 |
0 |
| T10 |
378 |
0 |
0 |
0 |
| T13 |
0 |
4 |
0 |
0 |
| T35 |
382 |
0 |
0 |
0 |
| T59 |
0 |
1 |
0 |
0 |
| T76 |
0 |
2 |
0 |
0 |
| T77 |
0 |
2 |
0 |
0 |
| T78 |
0 |
4 |
0 |
0 |
| T79 |
0 |
4 |
0 |
0 |
| T116 |
396 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
145700402 |
229 |
0 |
0 |
| T2 |
24436 |
3 |
0 |
0 |
| T3 |
14675 |
0 |
0 |
0 |
| T4 |
23415 |
0 |
0 |
0 |
| T5 |
26715 |
0 |
0 |
0 |
| T6 |
34252 |
2 |
0 |
0 |
| T7 |
19796 |
0 |
0 |
0 |
| T8 |
27227 |
0 |
0 |
0 |
| T10 |
21026 |
0 |
0 |
0 |
| T13 |
0 |
5 |
0 |
0 |
| T35 |
24051 |
0 |
0 |
0 |
| T59 |
0 |
1 |
0 |
0 |
| T76 |
0 |
2 |
0 |
0 |
| T77 |
0 |
2 |
0 |
0 |
| T78 |
0 |
5 |
0 |
0 |
| T79 |
0 |
5 |
0 |
0 |
| T116 |
22291 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
| TOTAL | | 7 | 7 | 100.00 |
| ALWAYS | 31 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 49 | 0 | 0 | |
| CONT_ASSIGN | 52 | 0 | 0 | |
| ALWAYS | 55 | 0 | 0 | |
| ALWAYS | 89 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T2 T6 T13
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
| Conditions | 8 | 8 | 100.00 |
| Logical | 8 | 8 | 100.00 |
| Non-Logical | 0 | 0 | |
| Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T2,T6,T13 |
| 1 | 0 | Covered | T2,T6,T13 |
| 1 | 1 | Covered | T2,T6,T13 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T2,T6,T13 |
| 1 | 0 | Covered | T2,T6,T13 |
| 1 | 1 | Covered | T2,T6,T13 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
| Branches |
|
4 |
4 |
100.00 |
| IF |
31 |
2 |
2 |
100.00 |
| IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
145700402 |
226 |
0 |
0 |
| T2 |
24436 |
2 |
0 |
0 |
| T3 |
14675 |
0 |
0 |
0 |
| T4 |
23415 |
0 |
0 |
0 |
| T5 |
26715 |
0 |
0 |
0 |
| T6 |
34252 |
2 |
0 |
0 |
| T7 |
19796 |
0 |
0 |
0 |
| T8 |
27227 |
0 |
0 |
0 |
| T10 |
21026 |
0 |
0 |
0 |
| T13 |
0 |
5 |
0 |
0 |
| T35 |
24051 |
0 |
0 |
0 |
| T59 |
0 |
1 |
0 |
0 |
| T76 |
0 |
2 |
0 |
0 |
| T77 |
0 |
2 |
0 |
0 |
| T78 |
0 |
4 |
0 |
0 |
| T79 |
0 |
4 |
0 |
0 |
| T116 |
22291 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1713796 |
226 |
0 |
0 |
| T2 |
484 |
2 |
0 |
0 |
| T3 |
312 |
0 |
0 |
0 |
| T4 |
448 |
0 |
0 |
0 |
| T5 |
402 |
0 |
0 |
0 |
| T6 |
600 |
2 |
0 |
0 |
| T7 |
442 |
0 |
0 |
0 |
| T8 |
475 |
0 |
0 |
0 |
| T10 |
378 |
0 |
0 |
0 |
| T13 |
0 |
5 |
0 |
0 |
| T35 |
382 |
0 |
0 |
0 |
| T59 |
0 |
1 |
0 |
0 |
| T76 |
0 |
2 |
0 |
0 |
| T77 |
0 |
2 |
0 |
0 |
| T78 |
0 |
4 |
0 |
0 |
| T79 |
0 |
4 |
0 |
0 |
| T116 |
396 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_1_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
| TOTAL | | 7 | 7 | 100.00 |
| ALWAYS | 31 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 49 | 0 | 0 | |
| CONT_ASSIGN | 52 | 0 | 0 | |
| ALWAYS | 55 | 0 | 0 | |
| ALWAYS | 89 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T59 T170 T169
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_1_cdc.u_src_to_dst_req
| Total | Covered | Percent |
| Conditions | 8 | 8 | 100.00 |
| Logical | 8 | 8 | 100.00 |
| Non-Logical | 0 | 0 | |
| Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T170,T169 |
| 1 | 0 | Covered | T59,T170,T169 |
| 1 | 1 | Covered | T174,T422,T407 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T170,T169 |
| 1 | 0 | Covered | T174,T422,T407 |
| 1 | 1 | Covered | T59,T170,T169 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_1_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
| Branches |
|
4 |
4 |
100.00 |
| IF |
31 |
2 |
2 |
100.00 |
| IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_1_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1713796 |
263 |
0 |
0 |
| T51 |
1013 |
0 |
0 |
0 |
| T59 |
3679 |
1 |
0 |
0 |
| T72 |
4184 |
0 |
0 |
0 |
| T143 |
3531 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
3208 |
0 |
0 |
0 |
| T178 |
660 |
0 |
0 |
0 |
| T197 |
4400 |
0 |
0 |
0 |
| T289 |
292 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T424 |
0 |
2 |
0 |
0 |
| T427 |
3621 |
0 |
0 |
0 |
| T428 |
824 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
145700402 |
263 |
0 |
0 |
| T51 |
112341 |
0 |
0 |
0 |
| T59 |
410860 |
1 |
0 |
0 |
| T72 |
178551 |
0 |
0 |
0 |
| T143 |
397969 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
361813 |
0 |
0 |
0 |
| T178 |
42632 |
0 |
0 |
0 |
| T197 |
270548 |
0 |
0 |
0 |
| T289 |
11718 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T424 |
0 |
2 |
0 |
0 |
| T427 |
408293 |
0 |
0 |
0 |
| T428 |
39611 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
| TOTAL | | 7 | 7 | 100.00 |
| ALWAYS | 31 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 49 | 0 | 0 | |
| CONT_ASSIGN | 52 | 0 | 0 | |
| ALWAYS | 55 | 0 | 0 | |
| ALWAYS | 89 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T59 T170 T169
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
| Conditions | 8 | 8 | 100.00 |
| Logical | 8 | 8 | 100.00 |
| Non-Logical | 0 | 0 | |
| Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T170,T169 |
| 1 | 0 | Covered | T59,T170,T169 |
| 1 | 1 | Covered | T174,T422,T407 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T170,T169 |
| 1 | 0 | Covered | T174,T422,T407 |
| 1 | 1 | Covered | T59,T170,T169 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
| Branches |
|
4 |
4 |
100.00 |
| IF |
31 |
2 |
2 |
100.00 |
| IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
145700402 |
263 |
0 |
0 |
| T51 |
112341 |
0 |
0 |
0 |
| T59 |
410860 |
1 |
0 |
0 |
| T72 |
178551 |
0 |
0 |
0 |
| T143 |
397969 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
361813 |
0 |
0 |
0 |
| T178 |
42632 |
0 |
0 |
0 |
| T197 |
270548 |
0 |
0 |
0 |
| T289 |
11718 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T424 |
0 |
2 |
0 |
0 |
| T427 |
408293 |
0 |
0 |
0 |
| T428 |
39611 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1713796 |
263 |
0 |
0 |
| T51 |
1013 |
0 |
0 |
0 |
| T59 |
3679 |
1 |
0 |
0 |
| T72 |
4184 |
0 |
0 |
0 |
| T143 |
3531 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
3208 |
0 |
0 |
0 |
| T178 |
660 |
0 |
0 |
0 |
| T197 |
4400 |
0 |
0 |
0 |
| T289 |
292 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T424 |
0 |
2 |
0 |
0 |
| T427 |
3621 |
0 |
0 |
0 |
| T428 |
824 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_2_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
| TOTAL | | 7 | 7 | 100.00 |
| ALWAYS | 31 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 49 | 0 | 0 | |
| CONT_ASSIGN | 52 | 0 | 0 | |
| ALWAYS | 55 | 0 | 0 | |
| ALWAYS | 89 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T59 T27 T170
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_2_cdc.u_src_to_dst_req
| Total | Covered | Percent |
| Conditions | 8 | 8 | 100.00 |
| Logical | 8 | 8 | 100.00 |
| Non-Logical | 0 | 0 | |
| Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T27,T170 |
| 1 | 0 | Covered | T59,T27,T170 |
| 1 | 1 | Covered | T27,T174,T422 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T27,T170 |
| 1 | 0 | Covered | T27,T174,T422 |
| 1 | 1 | Covered | T59,T27,T170 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_2_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
| Branches |
|
4 |
4 |
100.00 |
| IF |
31 |
2 |
2 |
100.00 |
| IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_2_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1713796 |
248 |
0 |
0 |
| T27 |
0 |
2 |
0 |
0 |
| T51 |
1013 |
0 |
0 |
0 |
| T59 |
3679 |
1 |
0 |
0 |
| T72 |
4184 |
0 |
0 |
0 |
| T143 |
3531 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
3208 |
0 |
0 |
0 |
| T178 |
660 |
0 |
0 |
0 |
| T197 |
4400 |
0 |
0 |
0 |
| T289 |
292 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T427 |
3621 |
0 |
0 |
0 |
| T428 |
824 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
145700402 |
249 |
0 |
0 |
| T27 |
0 |
3 |
0 |
0 |
| T51 |
112341 |
0 |
0 |
0 |
| T59 |
410860 |
1 |
0 |
0 |
| T72 |
178551 |
0 |
0 |
0 |
| T143 |
397969 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
361813 |
0 |
0 |
0 |
| T178 |
42632 |
0 |
0 |
0 |
| T197 |
270548 |
0 |
0 |
0 |
| T289 |
11718 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T427 |
408293 |
0 |
0 |
0 |
| T428 |
39611 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
| TOTAL | | 7 | 7 | 100.00 |
| ALWAYS | 31 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 49 | 0 | 0 | |
| CONT_ASSIGN | 52 | 0 | 0 | |
| ALWAYS | 55 | 0 | 0 | |
| ALWAYS | 89 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T59 T27 T170
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
| Conditions | 8 | 8 | 100.00 |
| Logical | 8 | 8 | 100.00 |
| Non-Logical | 0 | 0 | |
| Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T27,T170 |
| 1 | 0 | Covered | T59,T27,T170 |
| 1 | 1 | Covered | T27,T174,T422 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T27,T170 |
| 1 | 0 | Covered | T27,T174,T422 |
| 1 | 1 | Covered | T59,T27,T170 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
| Branches |
|
4 |
4 |
100.00 |
| IF |
31 |
2 |
2 |
100.00 |
| IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
145700402 |
248 |
0 |
0 |
| T27 |
0 |
2 |
0 |
0 |
| T51 |
112341 |
0 |
0 |
0 |
| T59 |
410860 |
1 |
0 |
0 |
| T72 |
178551 |
0 |
0 |
0 |
| T143 |
397969 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
361813 |
0 |
0 |
0 |
| T178 |
42632 |
0 |
0 |
0 |
| T197 |
270548 |
0 |
0 |
0 |
| T289 |
11718 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T427 |
408293 |
0 |
0 |
0 |
| T428 |
39611 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1713796 |
248 |
0 |
0 |
| T27 |
0 |
2 |
0 |
0 |
| T51 |
1013 |
0 |
0 |
0 |
| T59 |
3679 |
1 |
0 |
0 |
| T72 |
4184 |
0 |
0 |
0 |
| T143 |
3531 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
3208 |
0 |
0 |
0 |
| T178 |
660 |
0 |
0 |
0 |
| T197 |
4400 |
0 |
0 |
0 |
| T289 |
292 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T427 |
3621 |
0 |
0 |
0 |
| T428 |
824 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_3_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
| TOTAL | | 7 | 7 | 100.00 |
| ALWAYS | 31 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 49 | 0 | 0 | |
| CONT_ASSIGN | 52 | 0 | 0 | |
| ALWAYS | 55 | 0 | 0 | |
| ALWAYS | 89 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T59 T26 T170
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_3_cdc.u_src_to_dst_req
| Total | Covered | Percent |
| Conditions | 8 | 8 | 100.00 |
| Logical | 8 | 8 | 100.00 |
| Non-Logical | 0 | 0 | |
| Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T26,T170 |
| 1 | 0 | Covered | T59,T26,T170 |
| 1 | 1 | Covered | T26,T174,T422 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T26,T170 |
| 1 | 0 | Covered | T26,T174,T422 |
| 1 | 1 | Covered | T59,T26,T170 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_3_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
| Branches |
|
4 |
4 |
100.00 |
| IF |
31 |
2 |
2 |
100.00 |
| IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_3_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1713796 |
277 |
0 |
0 |
| T26 |
0 |
2 |
0 |
0 |
| T51 |
1013 |
0 |
0 |
0 |
| T59 |
3679 |
1 |
0 |
0 |
| T72 |
4184 |
0 |
0 |
0 |
| T143 |
3531 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
3208 |
0 |
0 |
0 |
| T178 |
660 |
0 |
0 |
0 |
| T197 |
4400 |
0 |
0 |
0 |
| T289 |
292 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T427 |
3621 |
0 |
0 |
0 |
| T428 |
824 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
145700402 |
278 |
0 |
0 |
| T26 |
0 |
3 |
0 |
0 |
| T51 |
112341 |
0 |
0 |
0 |
| T59 |
410860 |
1 |
0 |
0 |
| T72 |
178551 |
0 |
0 |
0 |
| T143 |
397969 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
361813 |
0 |
0 |
0 |
| T178 |
42632 |
0 |
0 |
0 |
| T197 |
270548 |
0 |
0 |
0 |
| T289 |
11718 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T427 |
408293 |
0 |
0 |
0 |
| T428 |
39611 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_3_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
| TOTAL | | 7 | 7 | 100.00 |
| ALWAYS | 31 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 49 | 0 | 0 | |
| CONT_ASSIGN | 52 | 0 | 0 | |
| ALWAYS | 55 | 0 | 0 | |
| ALWAYS | 89 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T59 T26 T170
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_3_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
| Conditions | 8 | 8 | 100.00 |
| Logical | 8 | 8 | 100.00 |
| Non-Logical | 0 | 0 | |
| Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T26,T170 |
| 1 | 0 | Covered | T59,T26,T170 |
| 1 | 1 | Covered | T26,T174,T422 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T26,T170 |
| 1 | 0 | Covered | T26,T174,T422 |
| 1 | 1 | Covered | T59,T26,T170 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_3_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
| Branches |
|
4 |
4 |
100.00 |
| IF |
31 |
2 |
2 |
100.00 |
| IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_3_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
145700402 |
277 |
0 |
0 |
| T26 |
0 |
2 |
0 |
0 |
| T51 |
112341 |
0 |
0 |
0 |
| T59 |
410860 |
1 |
0 |
0 |
| T72 |
178551 |
0 |
0 |
0 |
| T143 |
397969 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
361813 |
0 |
0 |
0 |
| T178 |
42632 |
0 |
0 |
0 |
| T197 |
270548 |
0 |
0 |
0 |
| T289 |
11718 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T427 |
408293 |
0 |
0 |
0 |
| T428 |
39611 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1713796 |
277 |
0 |
0 |
| T26 |
0 |
2 |
0 |
0 |
| T51 |
1013 |
0 |
0 |
0 |
| T59 |
3679 |
1 |
0 |
0 |
| T72 |
4184 |
0 |
0 |
0 |
| T143 |
3531 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
3208 |
0 |
0 |
0 |
| T178 |
660 |
0 |
0 |
0 |
| T197 |
4400 |
0 |
0 |
0 |
| T289 |
292 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T427 |
3621 |
0 |
0 |
0 |
| T428 |
824 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_4_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
| TOTAL | | 7 | 7 | 100.00 |
| ALWAYS | 31 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 49 | 0 | 0 | |
| CONT_ASSIGN | 52 | 0 | 0 | |
| ALWAYS | 55 | 0 | 0 | |
| ALWAYS | 89 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T59 T170 T169
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_4_cdc.u_src_to_dst_req
| Total | Covered | Percent |
| Conditions | 8 | 8 | 100.00 |
| Logical | 8 | 8 | 100.00 |
| Non-Logical | 0 | 0 | |
| Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T170,T169 |
| 1 | 0 | Covered | T59,T170,T169 |
| 1 | 1 | Covered | T174,T422,T407 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T170,T169 |
| 1 | 0 | Covered | T174,T422,T407 |
| 1 | 1 | Covered | T59,T170,T169 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_4_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
| Branches |
|
4 |
4 |
100.00 |
| IF |
31 |
2 |
2 |
100.00 |
| IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_4_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1713796 |
276 |
0 |
0 |
| T51 |
1013 |
0 |
0 |
0 |
| T59 |
3679 |
1 |
0 |
0 |
| T72 |
4184 |
0 |
0 |
0 |
| T143 |
3531 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
3208 |
0 |
0 |
0 |
| T178 |
660 |
0 |
0 |
0 |
| T197 |
4400 |
0 |
0 |
0 |
| T289 |
292 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T424 |
0 |
2 |
0 |
0 |
| T427 |
3621 |
0 |
0 |
0 |
| T428 |
824 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
145700402 |
276 |
0 |
0 |
| T51 |
112341 |
0 |
0 |
0 |
| T59 |
410860 |
1 |
0 |
0 |
| T72 |
178551 |
0 |
0 |
0 |
| T143 |
397969 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
361813 |
0 |
0 |
0 |
| T178 |
42632 |
0 |
0 |
0 |
| T197 |
270548 |
0 |
0 |
0 |
| T289 |
11718 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T424 |
0 |
2 |
0 |
0 |
| T427 |
408293 |
0 |
0 |
0 |
| T428 |
39611 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_4_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
| TOTAL | | 7 | 7 | 100.00 |
| ALWAYS | 31 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 49 | 0 | 0 | |
| CONT_ASSIGN | 52 | 0 | 0 | |
| ALWAYS | 55 | 0 | 0 | |
| ALWAYS | 89 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T59 T170 T169
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_4_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
| Conditions | 8 | 8 | 100.00 |
| Logical | 8 | 8 | 100.00 |
| Non-Logical | 0 | 0 | |
| Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T170,T169 |
| 1 | 0 | Covered | T59,T170,T169 |
| 1 | 1 | Covered | T174,T422,T407 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T170,T169 |
| 1 | 0 | Covered | T174,T422,T407 |
| 1 | 1 | Covered | T59,T170,T169 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_4_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
| Branches |
|
4 |
4 |
100.00 |
| IF |
31 |
2 |
2 |
100.00 |
| IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_4_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
145700402 |
276 |
0 |
0 |
| T51 |
112341 |
0 |
0 |
0 |
| T59 |
410860 |
1 |
0 |
0 |
| T72 |
178551 |
0 |
0 |
0 |
| T143 |
397969 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
361813 |
0 |
0 |
0 |
| T178 |
42632 |
0 |
0 |
0 |
| T197 |
270548 |
0 |
0 |
0 |
| T289 |
11718 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T424 |
0 |
2 |
0 |
0 |
| T427 |
408293 |
0 |
0 |
0 |
| T428 |
39611 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1713796 |
276 |
0 |
0 |
| T51 |
1013 |
0 |
0 |
0 |
| T59 |
3679 |
1 |
0 |
0 |
| T72 |
4184 |
0 |
0 |
0 |
| T143 |
3531 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
3208 |
0 |
0 |
0 |
| T178 |
660 |
0 |
0 |
0 |
| T197 |
4400 |
0 |
0 |
0 |
| T289 |
292 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T424 |
0 |
2 |
0 |
0 |
| T427 |
3621 |
0 |
0 |
0 |
| T428 |
824 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_5_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
| TOTAL | | 7 | 7 | 100.00 |
| ALWAYS | 31 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 49 | 0 | 0 | |
| CONT_ASSIGN | 52 | 0 | 0 | |
| ALWAYS | 55 | 0 | 0 | |
| ALWAYS | 89 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T70 T71 T59
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_5_cdc.u_src_to_dst_req
| Total | Covered | Percent |
| Conditions | 8 | 8 | 100.00 |
| Logical | 8 | 8 | 100.00 |
| Non-Logical | 0 | 0 | |
| Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T70,T71,T59 |
| 1 | 0 | Covered | T70,T71,T59 |
| 1 | 1 | Covered | T70,T71,T72 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T70,T71,T59 |
| 1 | 0 | Covered | T70,T71,T72 |
| 1 | 1 | Covered | T70,T71,T59 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_5_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
| Branches |
|
4 |
4 |
100.00 |
| IF |
31 |
2 |
2 |
100.00 |
| IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_5_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1713796 |
319 |
0 |
0 |
| T59 |
0 |
1 |
0 |
0 |
| T70 |
1280 |
2 |
0 |
0 |
| T71 |
0 |
4 |
0 |
0 |
| T72 |
0 |
2 |
0 |
0 |
| T115 |
0 |
2 |
0 |
0 |
| T118 |
0 |
4 |
0 |
0 |
| T142 |
1153 |
0 |
0 |
0 |
| T148 |
668 |
0 |
0 |
0 |
| T149 |
765 |
0 |
0 |
0 |
| T150 |
748 |
0 |
0 |
0 |
| T204 |
1801 |
0 |
0 |
0 |
| T237 |
436 |
0 |
0 |
0 |
| T430 |
0 |
2 |
0 |
0 |
| T431 |
0 |
2 |
0 |
0 |
| T432 |
0 |
2 |
0 |
0 |
| T433 |
0 |
4 |
0 |
0 |
| T434 |
793 |
0 |
0 |
0 |
| T435 |
807 |
0 |
0 |
0 |
| T436 |
647 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
145700402 |
319 |
0 |
0 |
| T59 |
0 |
1 |
0 |
0 |
| T70 |
44717 |
2 |
0 |
0 |
| T71 |
0 |
4 |
0 |
0 |
| T72 |
0 |
2 |
0 |
0 |
| T115 |
0 |
2 |
0 |
0 |
| T118 |
0 |
4 |
0 |
0 |
| T142 |
96798 |
0 |
0 |
0 |
| T148 |
47962 |
0 |
0 |
0 |
| T149 |
62223 |
0 |
0 |
0 |
| T150 |
70004 |
0 |
0 |
0 |
| T204 |
88629 |
0 |
0 |
0 |
| T237 |
16789 |
0 |
0 |
0 |
| T430 |
0 |
2 |
0 |
0 |
| T431 |
0 |
2 |
0 |
0 |
| T432 |
0 |
2 |
0 |
0 |
| T433 |
0 |
4 |
0 |
0 |
| T434 |
53718 |
0 |
0 |
0 |
| T435 |
70743 |
0 |
0 |
0 |
| T436 |
51446 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_5_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
| TOTAL | | 7 | 7 | 100.00 |
| ALWAYS | 31 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 49 | 0 | 0 | |
| CONT_ASSIGN | 52 | 0 | 0 | |
| ALWAYS | 55 | 0 | 0 | |
| ALWAYS | 89 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T70 T71 T59
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_5_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
| Conditions | 8 | 8 | 100.00 |
| Logical | 8 | 8 | 100.00 |
| Non-Logical | 0 | 0 | |
| Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T70,T71,T59 |
| 1 | 0 | Covered | T70,T71,T59 |
| 1 | 1 | Covered | T70,T71,T72 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T70,T71,T59 |
| 1 | 0 | Covered | T70,T71,T72 |
| 1 | 1 | Covered | T70,T71,T59 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_5_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
| Branches |
|
4 |
4 |
100.00 |
| IF |
31 |
2 |
2 |
100.00 |
| IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_5_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
145700402 |
319 |
0 |
0 |
| T59 |
0 |
1 |
0 |
0 |
| T70 |
44717 |
2 |
0 |
0 |
| T71 |
0 |
4 |
0 |
0 |
| T72 |
0 |
2 |
0 |
0 |
| T115 |
0 |
2 |
0 |
0 |
| T118 |
0 |
4 |
0 |
0 |
| T142 |
96798 |
0 |
0 |
0 |
| T148 |
47962 |
0 |
0 |
0 |
| T149 |
62223 |
0 |
0 |
0 |
| T150 |
70004 |
0 |
0 |
0 |
| T204 |
88629 |
0 |
0 |
0 |
| T237 |
16789 |
0 |
0 |
0 |
| T430 |
0 |
2 |
0 |
0 |
| T431 |
0 |
2 |
0 |
0 |
| T432 |
0 |
2 |
0 |
0 |
| T433 |
0 |
4 |
0 |
0 |
| T434 |
53718 |
0 |
0 |
0 |
| T435 |
70743 |
0 |
0 |
0 |
| T436 |
51446 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1713796 |
319 |
0 |
0 |
| T59 |
0 |
1 |
0 |
0 |
| T70 |
1280 |
2 |
0 |
0 |
| T71 |
0 |
4 |
0 |
0 |
| T72 |
0 |
2 |
0 |
0 |
| T115 |
0 |
2 |
0 |
0 |
| T118 |
0 |
4 |
0 |
0 |
| T142 |
1153 |
0 |
0 |
0 |
| T148 |
668 |
0 |
0 |
0 |
| T149 |
765 |
0 |
0 |
0 |
| T150 |
748 |
0 |
0 |
0 |
| T204 |
1801 |
0 |
0 |
0 |
| T237 |
436 |
0 |
0 |
0 |
| T430 |
0 |
2 |
0 |
0 |
| T431 |
0 |
2 |
0 |
0 |
| T432 |
0 |
2 |
0 |
0 |
| T433 |
0 |
4 |
0 |
0 |
| T434 |
793 |
0 |
0 |
0 |
| T435 |
807 |
0 |
0 |
0 |
| T436 |
647 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_6_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
| TOTAL | | 7 | 7 | 100.00 |
| ALWAYS | 31 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 49 | 0 | 0 | |
| CONT_ASSIGN | 52 | 0 | 0 | |
| ALWAYS | 55 | 0 | 0 | |
| ALWAYS | 89 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T59 T170 T169
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_6_cdc.u_src_to_dst_req
| Total | Covered | Percent |
| Conditions | 8 | 8 | 100.00 |
| Logical | 8 | 8 | 100.00 |
| Non-Logical | 0 | 0 | |
| Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T170,T169 |
| 1 | 0 | Covered | T59,T170,T169 |
| 1 | 1 | Covered | T174,T422,T407 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T170,T169 |
| 1 | 0 | Covered | T174,T422,T407 |
| 1 | 1 | Covered | T59,T170,T169 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_6_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
| Branches |
|
4 |
4 |
100.00 |
| IF |
31 |
2 |
2 |
100.00 |
| IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_6_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1713796 |
248 |
0 |
0 |
| T51 |
1013 |
0 |
0 |
0 |
| T59 |
3679 |
1 |
0 |
0 |
| T72 |
4184 |
0 |
0 |
0 |
| T143 |
3531 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
3208 |
0 |
0 |
0 |
| T178 |
660 |
0 |
0 |
0 |
| T197 |
4400 |
0 |
0 |
0 |
| T289 |
292 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T424 |
0 |
2 |
0 |
0 |
| T427 |
3621 |
0 |
0 |
0 |
| T428 |
824 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
145700402 |
248 |
0 |
0 |
| T51 |
112341 |
0 |
0 |
0 |
| T59 |
410860 |
1 |
0 |
0 |
| T72 |
178551 |
0 |
0 |
0 |
| T143 |
397969 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
361813 |
0 |
0 |
0 |
| T178 |
42632 |
0 |
0 |
0 |
| T197 |
270548 |
0 |
0 |
0 |
| T289 |
11718 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T424 |
0 |
2 |
0 |
0 |
| T427 |
408293 |
0 |
0 |
0 |
| T428 |
39611 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_6_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
| TOTAL | | 7 | 7 | 100.00 |
| ALWAYS | 31 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 49 | 0 | 0 | |
| CONT_ASSIGN | 52 | 0 | 0 | |
| ALWAYS | 55 | 0 | 0 | |
| ALWAYS | 89 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T59 T170 T169
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_6_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
| Conditions | 8 | 8 | 100.00 |
| Logical | 8 | 8 | 100.00 |
| Non-Logical | 0 | 0 | |
| Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T170,T169 |
| 1 | 0 | Covered | T59,T170,T169 |
| 1 | 1 | Covered | T174,T422,T407 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T170,T169 |
| 1 | 0 | Covered | T174,T422,T407 |
| 1 | 1 | Covered | T59,T170,T169 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_6_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
| Branches |
|
4 |
4 |
100.00 |
| IF |
31 |
2 |
2 |
100.00 |
| IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_6_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
145700402 |
248 |
0 |
0 |
| T51 |
112341 |
0 |
0 |
0 |
| T59 |
410860 |
1 |
0 |
0 |
| T72 |
178551 |
0 |
0 |
0 |
| T143 |
397969 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
361813 |
0 |
0 |
0 |
| T178 |
42632 |
0 |
0 |
0 |
| T197 |
270548 |
0 |
0 |
0 |
| T289 |
11718 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T424 |
0 |
2 |
0 |
0 |
| T427 |
408293 |
0 |
0 |
0 |
| T428 |
39611 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1713796 |
248 |
0 |
0 |
| T51 |
1013 |
0 |
0 |
0 |
| T59 |
3679 |
1 |
0 |
0 |
| T72 |
4184 |
0 |
0 |
0 |
| T143 |
3531 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
3208 |
0 |
0 |
0 |
| T178 |
660 |
0 |
0 |
0 |
| T197 |
4400 |
0 |
0 |
0 |
| T289 |
292 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T424 |
0 |
2 |
0 |
0 |
| T427 |
3621 |
0 |
0 |
0 |
| T428 |
824 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_7_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
| TOTAL | | 7 | 7 | 100.00 |
| ALWAYS | 31 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 49 | 0 | 0 | |
| CONT_ASSIGN | 52 | 0 | 0 | |
| ALWAYS | 55 | 0 | 0 | |
| ALWAYS | 89 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T59 T170 T169
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_7_cdc.u_src_to_dst_req
| Total | Covered | Percent |
| Conditions | 8 | 8 | 100.00 |
| Logical | 8 | 8 | 100.00 |
| Non-Logical | 0 | 0 | |
| Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T170,T169 |
| 1 | 0 | Covered | T59,T170,T169 |
| 1 | 1 | Covered | T174,T422,T407 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T170,T169 |
| 1 | 0 | Covered | T174,T422,T407 |
| 1 | 1 | Covered | T59,T170,T169 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_7_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
| Branches |
|
4 |
4 |
100.00 |
| IF |
31 |
2 |
2 |
100.00 |
| IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_7_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1713796 |
223 |
0 |
0 |
| T51 |
1013 |
0 |
0 |
0 |
| T59 |
3679 |
1 |
0 |
0 |
| T72 |
4184 |
0 |
0 |
0 |
| T143 |
3531 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
3208 |
0 |
0 |
0 |
| T178 |
660 |
0 |
0 |
0 |
| T197 |
4400 |
0 |
0 |
0 |
| T289 |
292 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T424 |
0 |
2 |
0 |
0 |
| T427 |
3621 |
0 |
0 |
0 |
| T428 |
824 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
145700402 |
223 |
0 |
0 |
| T51 |
112341 |
0 |
0 |
0 |
| T59 |
410860 |
1 |
0 |
0 |
| T72 |
178551 |
0 |
0 |
0 |
| T143 |
397969 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
361813 |
0 |
0 |
0 |
| T178 |
42632 |
0 |
0 |
0 |
| T197 |
270548 |
0 |
0 |
0 |
| T289 |
11718 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T424 |
0 |
2 |
0 |
0 |
| T427 |
408293 |
0 |
0 |
0 |
| T428 |
39611 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_7_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
| TOTAL | | 7 | 7 | 100.00 |
| ALWAYS | 31 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 49 | 0 | 0 | |
| CONT_ASSIGN | 52 | 0 | 0 | |
| ALWAYS | 55 | 0 | 0 | |
| ALWAYS | 89 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T59 T170 T169
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_7_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
| Conditions | 8 | 8 | 100.00 |
| Logical | 8 | 8 | 100.00 |
| Non-Logical | 0 | 0 | |
| Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T170,T169 |
| 1 | 0 | Covered | T59,T170,T169 |
| 1 | 1 | Covered | T174,T422,T407 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T170,T169 |
| 1 | 0 | Covered | T174,T422,T407 |
| 1 | 1 | Covered | T59,T170,T169 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_7_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
| Branches |
|
4 |
4 |
100.00 |
| IF |
31 |
2 |
2 |
100.00 |
| IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_7_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
145700402 |
223 |
0 |
0 |
| T51 |
112341 |
0 |
0 |
0 |
| T59 |
410860 |
1 |
0 |
0 |
| T72 |
178551 |
0 |
0 |
0 |
| T143 |
397969 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
361813 |
0 |
0 |
0 |
| T178 |
42632 |
0 |
0 |
0 |
| T197 |
270548 |
0 |
0 |
0 |
| T289 |
11718 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T424 |
0 |
2 |
0 |
0 |
| T427 |
408293 |
0 |
0 |
0 |
| T428 |
39611 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1713796 |
223 |
0 |
0 |
| T51 |
1013 |
0 |
0 |
0 |
| T59 |
3679 |
1 |
0 |
0 |
| T72 |
4184 |
0 |
0 |
0 |
| T143 |
3531 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
3208 |
0 |
0 |
0 |
| T178 |
660 |
0 |
0 |
0 |
| T197 |
4400 |
0 |
0 |
0 |
| T289 |
292 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T424 |
0 |
2 |
0 |
0 |
| T427 |
3621 |
0 |
0 |
0 |
| T428 |
824 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_0_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
| TOTAL | | 7 | 7 | 100.00 |
| ALWAYS | 31 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 49 | 0 | 0 | |
| CONT_ASSIGN | 52 | 0 | 0 | |
| ALWAYS | 55 | 0 | 0 | |
| ALWAYS | 89 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T2 T6 T13
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_0_cdc.u_src_to_dst_req
| Total | Covered | Percent |
| Conditions | 8 | 8 | 100.00 |
| Logical | 8 | 8 | 100.00 |
| Non-Logical | 0 | 0 | |
| Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T2,T6,T13 |
| 1 | 0 | Covered | T2,T6,T13 |
| 1 | 1 | Covered | T13,T78,T79 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T2,T6,T13 |
| 1 | 0 | Covered | T13,T78,T79 |
| 1 | 1 | Covered | T2,T6,T13 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_0_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
| Branches |
|
4 |
4 |
100.00 |
| IF |
31 |
2 |
2 |
100.00 |
| IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_0_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1713796 |
261 |
0 |
0 |
| T2 |
484 |
1 |
0 |
0 |
| T3 |
312 |
0 |
0 |
0 |
| T4 |
448 |
0 |
0 |
0 |
| T5 |
402 |
0 |
0 |
0 |
| T6 |
600 |
1 |
0 |
0 |
| T7 |
442 |
0 |
0 |
0 |
| T8 |
475 |
0 |
0 |
0 |
| T10 |
378 |
0 |
0 |
0 |
| T13 |
0 |
2 |
0 |
0 |
| T35 |
382 |
0 |
0 |
0 |
| T59 |
0 |
1 |
0 |
0 |
| T76 |
0 |
1 |
0 |
0 |
| T77 |
0 |
1 |
0 |
0 |
| T78 |
0 |
2 |
0 |
0 |
| T79 |
0 |
2 |
0 |
0 |
| T116 |
396 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
145700402 |
262 |
0 |
0 |
| T2 |
24436 |
1 |
0 |
0 |
| T3 |
14675 |
0 |
0 |
0 |
| T4 |
23415 |
0 |
0 |
0 |
| T5 |
26715 |
0 |
0 |
0 |
| T6 |
34252 |
1 |
0 |
0 |
| T7 |
19796 |
0 |
0 |
0 |
| T8 |
27227 |
0 |
0 |
0 |
| T10 |
21026 |
0 |
0 |
0 |
| T13 |
0 |
2 |
0 |
0 |
| T35 |
24051 |
0 |
0 |
0 |
| T59 |
0 |
1 |
0 |
0 |
| T76 |
0 |
1 |
0 |
0 |
| T77 |
0 |
1 |
0 |
0 |
| T78 |
0 |
2 |
0 |
0 |
| T79 |
0 |
2 |
0 |
0 |
| T116 |
22291 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
| TOTAL | | 7 | 7 | 100.00 |
| ALWAYS | 31 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 49 | 0 | 0 | |
| CONT_ASSIGN | 52 | 0 | 0 | |
| ALWAYS | 55 | 0 | 0 | |
| ALWAYS | 89 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T2 T6 T13
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
| Conditions | 8 | 8 | 100.00 |
| Logical | 8 | 8 | 100.00 |
| Non-Logical | 0 | 0 | |
| Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T2,T6,T13 |
| 1 | 0 | Covered | T2,T6,T13 |
| 1 | 1 | Covered | T13,T78,T79 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T2,T6,T13 |
| 1 | 0 | Covered | T13,T78,T79 |
| 1 | 1 | Covered | T2,T6,T13 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
| Branches |
|
4 |
4 |
100.00 |
| IF |
31 |
2 |
2 |
100.00 |
| IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
145700402 |
261 |
0 |
0 |
| T2 |
24436 |
1 |
0 |
0 |
| T3 |
14675 |
0 |
0 |
0 |
| T4 |
23415 |
0 |
0 |
0 |
| T5 |
26715 |
0 |
0 |
0 |
| T6 |
34252 |
1 |
0 |
0 |
| T7 |
19796 |
0 |
0 |
0 |
| T8 |
27227 |
0 |
0 |
0 |
| T10 |
21026 |
0 |
0 |
0 |
| T13 |
0 |
2 |
0 |
0 |
| T35 |
24051 |
0 |
0 |
0 |
| T59 |
0 |
1 |
0 |
0 |
| T76 |
0 |
1 |
0 |
0 |
| T77 |
0 |
1 |
0 |
0 |
| T78 |
0 |
2 |
0 |
0 |
| T79 |
0 |
2 |
0 |
0 |
| T116 |
22291 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1713796 |
261 |
0 |
0 |
| T2 |
484 |
1 |
0 |
0 |
| T3 |
312 |
0 |
0 |
0 |
| T4 |
448 |
0 |
0 |
0 |
| T5 |
402 |
0 |
0 |
0 |
| T6 |
600 |
1 |
0 |
0 |
| T7 |
442 |
0 |
0 |
0 |
| T8 |
475 |
0 |
0 |
0 |
| T10 |
378 |
0 |
0 |
0 |
| T13 |
0 |
2 |
0 |
0 |
| T35 |
382 |
0 |
0 |
0 |
| T59 |
0 |
1 |
0 |
0 |
| T76 |
0 |
1 |
0 |
0 |
| T77 |
0 |
1 |
0 |
0 |
| T78 |
0 |
2 |
0 |
0 |
| T79 |
0 |
2 |
0 |
0 |
| T116 |
396 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_1_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
| TOTAL | | 7 | 7 | 100.00 |
| ALWAYS | 31 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 49 | 0 | 0 | |
| CONT_ASSIGN | 52 | 0 | 0 | |
| ALWAYS | 55 | 0 | 0 | |
| ALWAYS | 89 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T59 T170 T169
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_1_cdc.u_src_to_dst_req
| Total | Covered | Percent |
| Conditions | 8 | 8 | 100.00 |
| Logical | 8 | 8 | 100.00 |
| Non-Logical | 0 | 0 | |
| Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T170,T169 |
| 1 | 0 | Covered | T59,T170,T169 |
| 1 | 1 | Covered | T174,T422,T407 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T170,T169 |
| 1 | 0 | Covered | T174,T422,T407 |
| 1 | 1 | Covered | T59,T170,T169 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_1_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
| Branches |
|
4 |
4 |
100.00 |
| IF |
31 |
2 |
2 |
100.00 |
| IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_1_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1713796 |
265 |
0 |
0 |
| T51 |
1013 |
0 |
0 |
0 |
| T59 |
3679 |
1 |
0 |
0 |
| T72 |
4184 |
0 |
0 |
0 |
| T143 |
3531 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
3208 |
0 |
0 |
0 |
| T178 |
660 |
0 |
0 |
0 |
| T197 |
4400 |
0 |
0 |
0 |
| T289 |
292 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T424 |
0 |
2 |
0 |
0 |
| T427 |
3621 |
0 |
0 |
0 |
| T428 |
824 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
145700402 |
265 |
0 |
0 |
| T51 |
112341 |
0 |
0 |
0 |
| T59 |
410860 |
1 |
0 |
0 |
| T72 |
178551 |
0 |
0 |
0 |
| T143 |
397969 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
361813 |
0 |
0 |
0 |
| T178 |
42632 |
0 |
0 |
0 |
| T197 |
270548 |
0 |
0 |
0 |
| T289 |
11718 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T424 |
0 |
2 |
0 |
0 |
| T427 |
408293 |
0 |
0 |
0 |
| T428 |
39611 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
| TOTAL | | 7 | 7 | 100.00 |
| ALWAYS | 31 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 49 | 0 | 0 | |
| CONT_ASSIGN | 52 | 0 | 0 | |
| ALWAYS | 55 | 0 | 0 | |
| ALWAYS | 89 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T59 T170 T169
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
| Conditions | 8 | 8 | 100.00 |
| Logical | 8 | 8 | 100.00 |
| Non-Logical | 0 | 0 | |
| Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T170,T169 |
| 1 | 0 | Covered | T59,T170,T169 |
| 1 | 1 | Covered | T174,T422,T407 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T170,T169 |
| 1 | 0 | Covered | T174,T422,T407 |
| 1 | 1 | Covered | T59,T170,T169 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
| Branches |
|
4 |
4 |
100.00 |
| IF |
31 |
2 |
2 |
100.00 |
| IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
145700402 |
265 |
0 |
0 |
| T51 |
112341 |
0 |
0 |
0 |
| T59 |
410860 |
1 |
0 |
0 |
| T72 |
178551 |
0 |
0 |
0 |
| T143 |
397969 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
361813 |
0 |
0 |
0 |
| T178 |
42632 |
0 |
0 |
0 |
| T197 |
270548 |
0 |
0 |
0 |
| T289 |
11718 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T424 |
0 |
2 |
0 |
0 |
| T427 |
408293 |
0 |
0 |
0 |
| T428 |
39611 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1713796 |
265 |
0 |
0 |
| T51 |
1013 |
0 |
0 |
0 |
| T59 |
3679 |
1 |
0 |
0 |
| T72 |
4184 |
0 |
0 |
0 |
| T143 |
3531 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
3208 |
0 |
0 |
0 |
| T178 |
660 |
0 |
0 |
0 |
| T197 |
4400 |
0 |
0 |
0 |
| T289 |
292 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T424 |
0 |
2 |
0 |
0 |
| T427 |
3621 |
0 |
0 |
0 |
| T428 |
824 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_2_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
| TOTAL | | 7 | 7 | 100.00 |
| ALWAYS | 31 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 49 | 0 | 0 | |
| CONT_ASSIGN | 52 | 0 | 0 | |
| ALWAYS | 55 | 0 | 0 | |
| ALWAYS | 89 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T59 T27 T170
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_2_cdc.u_src_to_dst_req
| Total | Covered | Percent |
| Conditions | 8 | 8 | 100.00 |
| Logical | 8 | 8 | 100.00 |
| Non-Logical | 0 | 0 | |
| Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T27,T170 |
| 1 | 0 | Covered | T59,T27,T170 |
| 1 | 1 | Covered | T174,T422,T407 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T27,T170 |
| 1 | 0 | Covered | T174,T422,T407 |
| 1 | 1 | Covered | T59,T27,T170 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_2_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
| Branches |
|
4 |
4 |
100.00 |
| IF |
31 |
2 |
2 |
100.00 |
| IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_2_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1713796 |
251 |
0 |
0 |
| T27 |
0 |
1 |
0 |
0 |
| T51 |
1013 |
0 |
0 |
0 |
| T59 |
3679 |
1 |
0 |
0 |
| T72 |
4184 |
0 |
0 |
0 |
| T143 |
3531 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
3208 |
0 |
0 |
0 |
| T178 |
660 |
0 |
0 |
0 |
| T197 |
4400 |
0 |
0 |
0 |
| T289 |
292 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T427 |
3621 |
0 |
0 |
0 |
| T428 |
824 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
145700402 |
251 |
0 |
0 |
| T27 |
0 |
1 |
0 |
0 |
| T51 |
112341 |
0 |
0 |
0 |
| T59 |
410860 |
1 |
0 |
0 |
| T72 |
178551 |
0 |
0 |
0 |
| T143 |
397969 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
361813 |
0 |
0 |
0 |
| T178 |
42632 |
0 |
0 |
0 |
| T197 |
270548 |
0 |
0 |
0 |
| T289 |
11718 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T427 |
408293 |
0 |
0 |
0 |
| T428 |
39611 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
| TOTAL | | 7 | 7 | 100.00 |
| ALWAYS | 31 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 49 | 0 | 0 | |
| CONT_ASSIGN | 52 | 0 | 0 | |
| ALWAYS | 55 | 0 | 0 | |
| ALWAYS | 89 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T59 T27 T170
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
| Conditions | 8 | 8 | 100.00 |
| Logical | 8 | 8 | 100.00 |
| Non-Logical | 0 | 0 | |
| Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T27,T170 |
| 1 | 0 | Covered | T59,T27,T170 |
| 1 | 1 | Covered | T174,T422,T407 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T27,T170 |
| 1 | 0 | Covered | T174,T422,T407 |
| 1 | 1 | Covered | T59,T27,T170 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
| Branches |
|
4 |
4 |
100.00 |
| IF |
31 |
2 |
2 |
100.00 |
| IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
145700402 |
251 |
0 |
0 |
| T27 |
0 |
1 |
0 |
0 |
| T51 |
112341 |
0 |
0 |
0 |
| T59 |
410860 |
1 |
0 |
0 |
| T72 |
178551 |
0 |
0 |
0 |
| T143 |
397969 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
361813 |
0 |
0 |
0 |
| T178 |
42632 |
0 |
0 |
0 |
| T197 |
270548 |
0 |
0 |
0 |
| T289 |
11718 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T427 |
408293 |
0 |
0 |
0 |
| T428 |
39611 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1713796 |
251 |
0 |
0 |
| T27 |
0 |
1 |
0 |
0 |
| T51 |
1013 |
0 |
0 |
0 |
| T59 |
3679 |
1 |
0 |
0 |
| T72 |
4184 |
0 |
0 |
0 |
| T143 |
3531 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
3208 |
0 |
0 |
0 |
| T178 |
660 |
0 |
0 |
0 |
| T197 |
4400 |
0 |
0 |
0 |
| T289 |
292 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T427 |
3621 |
0 |
0 |
0 |
| T428 |
824 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_3_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
| TOTAL | | 7 | 7 | 100.00 |
| ALWAYS | 31 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 49 | 0 | 0 | |
| CONT_ASSIGN | 52 | 0 | 0 | |
| ALWAYS | 55 | 0 | 0 | |
| ALWAYS | 89 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T59 T26 T170
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_3_cdc.u_src_to_dst_req
| Total | Covered | Percent |
| Conditions | 8 | 8 | 100.00 |
| Logical | 8 | 8 | 100.00 |
| Non-Logical | 0 | 0 | |
| Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T26,T170 |
| 1 | 0 | Covered | T59,T26,T170 |
| 1 | 1 | Covered | T174,T422,T407 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T26,T170 |
| 1 | 0 | Covered | T174,T422,T407 |
| 1 | 1 | Covered | T59,T26,T170 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_3_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
| Branches |
|
4 |
4 |
100.00 |
| IF |
31 |
2 |
2 |
100.00 |
| IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_3_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1713796 |
242 |
0 |
0 |
| T26 |
0 |
1 |
0 |
0 |
| T51 |
1013 |
0 |
0 |
0 |
| T59 |
3679 |
1 |
0 |
0 |
| T72 |
4184 |
0 |
0 |
0 |
| T143 |
3531 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
3208 |
0 |
0 |
0 |
| T178 |
660 |
0 |
0 |
0 |
| T197 |
4400 |
0 |
0 |
0 |
| T289 |
292 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T427 |
3621 |
0 |
0 |
0 |
| T428 |
824 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
145700402 |
242 |
0 |
0 |
| T26 |
0 |
1 |
0 |
0 |
| T51 |
112341 |
0 |
0 |
0 |
| T59 |
410860 |
1 |
0 |
0 |
| T72 |
178551 |
0 |
0 |
0 |
| T143 |
397969 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
361813 |
0 |
0 |
0 |
| T178 |
42632 |
0 |
0 |
0 |
| T197 |
270548 |
0 |
0 |
0 |
| T289 |
11718 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T427 |
408293 |
0 |
0 |
0 |
| T428 |
39611 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_3_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
| TOTAL | | 7 | 7 | 100.00 |
| ALWAYS | 31 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 49 | 0 | 0 | |
| CONT_ASSIGN | 52 | 0 | 0 | |
| ALWAYS | 55 | 0 | 0 | |
| ALWAYS | 89 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T59 T26 T170
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_3_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
| Conditions | 8 | 8 | 100.00 |
| Logical | 8 | 8 | 100.00 |
| Non-Logical | 0 | 0 | |
| Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T26,T170 |
| 1 | 0 | Covered | T59,T26,T170 |
| 1 | 1 | Covered | T174,T422,T407 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T26,T170 |
| 1 | 0 | Covered | T174,T422,T407 |
| 1 | 1 | Covered | T59,T26,T170 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_3_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
| Branches |
|
4 |
4 |
100.00 |
| IF |
31 |
2 |
2 |
100.00 |
| IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_3_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
145700402 |
242 |
0 |
0 |
| T26 |
0 |
1 |
0 |
0 |
| T51 |
112341 |
0 |
0 |
0 |
| T59 |
410860 |
1 |
0 |
0 |
| T72 |
178551 |
0 |
0 |
0 |
| T143 |
397969 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
361813 |
0 |
0 |
0 |
| T178 |
42632 |
0 |
0 |
0 |
| T197 |
270548 |
0 |
0 |
0 |
| T289 |
11718 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T427 |
408293 |
0 |
0 |
0 |
| T428 |
39611 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1713796 |
242 |
0 |
0 |
| T26 |
0 |
1 |
0 |
0 |
| T51 |
1013 |
0 |
0 |
0 |
| T59 |
3679 |
1 |
0 |
0 |
| T72 |
4184 |
0 |
0 |
0 |
| T143 |
3531 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
3208 |
0 |
0 |
0 |
| T178 |
660 |
0 |
0 |
0 |
| T197 |
4400 |
0 |
0 |
0 |
| T289 |
292 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T427 |
3621 |
0 |
0 |
0 |
| T428 |
824 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_4_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
| TOTAL | | 7 | 7 | 100.00 |
| ALWAYS | 31 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 49 | 0 | 0 | |
| CONT_ASSIGN | 52 | 0 | 0 | |
| ALWAYS | 55 | 0 | 0 | |
| ALWAYS | 89 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T59 T170 T169
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_4_cdc.u_src_to_dst_req
| Total | Covered | Percent |
| Conditions | 8 | 8 | 100.00 |
| Logical | 8 | 8 | 100.00 |
| Non-Logical | 0 | 0 | |
| Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T170,T169 |
| 1 | 0 | Covered | T59,T170,T169 |
| 1 | 1 | Covered | T174,T422,T407 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T170,T169 |
| 1 | 0 | Covered | T174,T422,T407 |
| 1 | 1 | Covered | T59,T170,T169 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_4_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
| Branches |
|
4 |
4 |
100.00 |
| IF |
31 |
2 |
2 |
100.00 |
| IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_4_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1713796 |
254 |
0 |
0 |
| T51 |
1013 |
0 |
0 |
0 |
| T59 |
3679 |
1 |
0 |
0 |
| T72 |
4184 |
0 |
0 |
0 |
| T143 |
3531 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
3208 |
0 |
0 |
0 |
| T178 |
660 |
0 |
0 |
0 |
| T197 |
4400 |
0 |
0 |
0 |
| T289 |
292 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T424 |
0 |
2 |
0 |
0 |
| T427 |
3621 |
0 |
0 |
0 |
| T428 |
824 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
145700402 |
254 |
0 |
0 |
| T51 |
112341 |
0 |
0 |
0 |
| T59 |
410860 |
1 |
0 |
0 |
| T72 |
178551 |
0 |
0 |
0 |
| T143 |
397969 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
361813 |
0 |
0 |
0 |
| T178 |
42632 |
0 |
0 |
0 |
| T197 |
270548 |
0 |
0 |
0 |
| T289 |
11718 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T424 |
0 |
2 |
0 |
0 |
| T427 |
408293 |
0 |
0 |
0 |
| T428 |
39611 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_4_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
| TOTAL | | 7 | 7 | 100.00 |
| ALWAYS | 31 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 49 | 0 | 0 | |
| CONT_ASSIGN | 52 | 0 | 0 | |
| ALWAYS | 55 | 0 | 0 | |
| ALWAYS | 89 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T59 T170 T169
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_4_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
| Conditions | 8 | 8 | 100.00 |
| Logical | 8 | 8 | 100.00 |
| Non-Logical | 0 | 0 | |
| Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T170,T169 |
| 1 | 0 | Covered | T59,T170,T169 |
| 1 | 1 | Covered | T174,T422,T407 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T170,T169 |
| 1 | 0 | Covered | T174,T422,T407 |
| 1 | 1 | Covered | T59,T170,T169 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_4_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
| Branches |
|
4 |
4 |
100.00 |
| IF |
31 |
2 |
2 |
100.00 |
| IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_4_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
145700402 |
254 |
0 |
0 |
| T51 |
112341 |
0 |
0 |
0 |
| T59 |
410860 |
1 |
0 |
0 |
| T72 |
178551 |
0 |
0 |
0 |
| T143 |
397969 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
361813 |
0 |
0 |
0 |
| T178 |
42632 |
0 |
0 |
0 |
| T197 |
270548 |
0 |
0 |
0 |
| T289 |
11718 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T424 |
0 |
2 |
0 |
0 |
| T427 |
408293 |
0 |
0 |
0 |
| T428 |
39611 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1713796 |
254 |
0 |
0 |
| T51 |
1013 |
0 |
0 |
0 |
| T59 |
3679 |
1 |
0 |
0 |
| T72 |
4184 |
0 |
0 |
0 |
| T143 |
3531 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
3208 |
0 |
0 |
0 |
| T178 |
660 |
0 |
0 |
0 |
| T197 |
4400 |
0 |
0 |
0 |
| T289 |
292 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T424 |
0 |
2 |
0 |
0 |
| T427 |
3621 |
0 |
0 |
0 |
| T428 |
824 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_5_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
| TOTAL | | 7 | 7 | 100.00 |
| ALWAYS | 31 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 49 | 0 | 0 | |
| CONT_ASSIGN | 52 | 0 | 0 | |
| ALWAYS | 55 | 0 | 0 | |
| ALWAYS | 89 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T70 T71 T59
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_5_cdc.u_src_to_dst_req
| Total | Covered | Percent |
| Conditions | 8 | 8 | 100.00 |
| Logical | 8 | 8 | 100.00 |
| Non-Logical | 0 | 0 | |
| Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T70,T71,T59 |
| 1 | 0 | Covered | T70,T71,T59 |
| 1 | 1 | Covered | T71,T118,T433 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T70,T71,T59 |
| 1 | 0 | Covered | T71,T118,T433 |
| 1 | 1 | Covered | T70,T71,T59 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_5_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
| Branches |
|
4 |
4 |
100.00 |
| IF |
31 |
2 |
2 |
100.00 |
| IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_5_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1713796 |
236 |
0 |
0 |
| T59 |
0 |
1 |
0 |
0 |
| T70 |
1280 |
1 |
0 |
0 |
| T71 |
0 |
2 |
0 |
0 |
| T72 |
0 |
1 |
0 |
0 |
| T115 |
0 |
1 |
0 |
0 |
| T118 |
0 |
2 |
0 |
0 |
| T142 |
1153 |
0 |
0 |
0 |
| T148 |
668 |
0 |
0 |
0 |
| T149 |
765 |
0 |
0 |
0 |
| T150 |
748 |
0 |
0 |
0 |
| T204 |
1801 |
0 |
0 |
0 |
| T237 |
436 |
0 |
0 |
0 |
| T430 |
0 |
1 |
0 |
0 |
| T431 |
0 |
1 |
0 |
0 |
| T432 |
0 |
1 |
0 |
0 |
| T433 |
0 |
2 |
0 |
0 |
| T434 |
793 |
0 |
0 |
0 |
| T435 |
807 |
0 |
0 |
0 |
| T436 |
647 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
145700402 |
236 |
0 |
0 |
| T59 |
0 |
1 |
0 |
0 |
| T70 |
44717 |
1 |
0 |
0 |
| T71 |
0 |
2 |
0 |
0 |
| T72 |
0 |
1 |
0 |
0 |
| T115 |
0 |
1 |
0 |
0 |
| T118 |
0 |
2 |
0 |
0 |
| T142 |
96798 |
0 |
0 |
0 |
| T148 |
47962 |
0 |
0 |
0 |
| T149 |
62223 |
0 |
0 |
0 |
| T150 |
70004 |
0 |
0 |
0 |
| T204 |
88629 |
0 |
0 |
0 |
| T237 |
16789 |
0 |
0 |
0 |
| T430 |
0 |
1 |
0 |
0 |
| T431 |
0 |
1 |
0 |
0 |
| T432 |
0 |
1 |
0 |
0 |
| T433 |
0 |
2 |
0 |
0 |
| T434 |
53718 |
0 |
0 |
0 |
| T435 |
70743 |
0 |
0 |
0 |
| T436 |
51446 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_5_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
| TOTAL | | 7 | 7 | 100.00 |
| ALWAYS | 31 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 49 | 0 | 0 | |
| CONT_ASSIGN | 52 | 0 | 0 | |
| ALWAYS | 55 | 0 | 0 | |
| ALWAYS | 89 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T70 T71 T59
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_5_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
| Conditions | 8 | 8 | 100.00 |
| Logical | 8 | 8 | 100.00 |
| Non-Logical | 0 | 0 | |
| Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T70,T71,T59 |
| 1 | 0 | Covered | T70,T71,T59 |
| 1 | 1 | Covered | T71,T118,T433 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T70,T71,T59 |
| 1 | 0 | Covered | T71,T118,T433 |
| 1 | 1 | Covered | T70,T71,T59 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_5_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
| Branches |
|
4 |
4 |
100.00 |
| IF |
31 |
2 |
2 |
100.00 |
| IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_5_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
145700402 |
236 |
0 |
0 |
| T59 |
0 |
1 |
0 |
0 |
| T70 |
44717 |
1 |
0 |
0 |
| T71 |
0 |
2 |
0 |
0 |
| T72 |
0 |
1 |
0 |
0 |
| T115 |
0 |
1 |
0 |
0 |
| T118 |
0 |
2 |
0 |
0 |
| T142 |
96798 |
0 |
0 |
0 |
| T148 |
47962 |
0 |
0 |
0 |
| T149 |
62223 |
0 |
0 |
0 |
| T150 |
70004 |
0 |
0 |
0 |
| T204 |
88629 |
0 |
0 |
0 |
| T237 |
16789 |
0 |
0 |
0 |
| T430 |
0 |
1 |
0 |
0 |
| T431 |
0 |
1 |
0 |
0 |
| T432 |
0 |
1 |
0 |
0 |
| T433 |
0 |
2 |
0 |
0 |
| T434 |
53718 |
0 |
0 |
0 |
| T435 |
70743 |
0 |
0 |
0 |
| T436 |
51446 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1713796 |
236 |
0 |
0 |
| T59 |
0 |
1 |
0 |
0 |
| T70 |
1280 |
1 |
0 |
0 |
| T71 |
0 |
2 |
0 |
0 |
| T72 |
0 |
1 |
0 |
0 |
| T115 |
0 |
1 |
0 |
0 |
| T118 |
0 |
2 |
0 |
0 |
| T142 |
1153 |
0 |
0 |
0 |
| T148 |
668 |
0 |
0 |
0 |
| T149 |
765 |
0 |
0 |
0 |
| T150 |
748 |
0 |
0 |
0 |
| T204 |
1801 |
0 |
0 |
0 |
| T237 |
436 |
0 |
0 |
0 |
| T430 |
0 |
1 |
0 |
0 |
| T431 |
0 |
1 |
0 |
0 |
| T432 |
0 |
1 |
0 |
0 |
| T433 |
0 |
2 |
0 |
0 |
| T434 |
793 |
0 |
0 |
0 |
| T435 |
807 |
0 |
0 |
0 |
| T436 |
647 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_6_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
| TOTAL | | 7 | 7 | 100.00 |
| ALWAYS | 31 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 49 | 0 | 0 | |
| CONT_ASSIGN | 52 | 0 | 0 | |
| ALWAYS | 55 | 0 | 0 | |
| ALWAYS | 89 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T59 T170 T169
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_6_cdc.u_src_to_dst_req
| Total | Covered | Percent |
| Conditions | 8 | 8 | 100.00 |
| Logical | 8 | 8 | 100.00 |
| Non-Logical | 0 | 0 | |
| Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T170,T169 |
| 1 | 0 | Covered | T59,T170,T169 |
| 1 | 1 | Covered | T174,T422,T407 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T170,T169 |
| 1 | 0 | Covered | T174,T422,T407 |
| 1 | 1 | Covered | T59,T170,T169 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_6_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
| Branches |
|
4 |
4 |
100.00 |
| IF |
31 |
2 |
2 |
100.00 |
| IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_6_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1713796 |
230 |
0 |
0 |
| T51 |
1013 |
0 |
0 |
0 |
| T59 |
3679 |
1 |
0 |
0 |
| T72 |
4184 |
0 |
0 |
0 |
| T143 |
3531 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
3208 |
0 |
0 |
0 |
| T178 |
660 |
0 |
0 |
0 |
| T197 |
4400 |
0 |
0 |
0 |
| T289 |
292 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T424 |
0 |
2 |
0 |
0 |
| T427 |
3621 |
0 |
0 |
0 |
| T428 |
824 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
145700402 |
230 |
0 |
0 |
| T51 |
112341 |
0 |
0 |
0 |
| T59 |
410860 |
1 |
0 |
0 |
| T72 |
178551 |
0 |
0 |
0 |
| T143 |
397969 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
361813 |
0 |
0 |
0 |
| T178 |
42632 |
0 |
0 |
0 |
| T197 |
270548 |
0 |
0 |
0 |
| T289 |
11718 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T424 |
0 |
2 |
0 |
0 |
| T427 |
408293 |
0 |
0 |
0 |
| T428 |
39611 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_6_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
| TOTAL | | 7 | 7 | 100.00 |
| ALWAYS | 31 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 49 | 0 | 0 | |
| CONT_ASSIGN | 52 | 0 | 0 | |
| ALWAYS | 55 | 0 | 0 | |
| ALWAYS | 89 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T59 T170 T169
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_6_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
| Conditions | 8 | 8 | 100.00 |
| Logical | 8 | 8 | 100.00 |
| Non-Logical | 0 | 0 | |
| Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T170,T169 |
| 1 | 0 | Covered | T59,T170,T169 |
| 1 | 1 | Covered | T174,T422,T407 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T170,T169 |
| 1 | 0 | Covered | T174,T422,T407 |
| 1 | 1 | Covered | T59,T170,T169 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_6_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
| Branches |
|
4 |
4 |
100.00 |
| IF |
31 |
2 |
2 |
100.00 |
| IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_6_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
145700402 |
230 |
0 |
0 |
| T51 |
112341 |
0 |
0 |
0 |
| T59 |
410860 |
1 |
0 |
0 |
| T72 |
178551 |
0 |
0 |
0 |
| T143 |
397969 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
361813 |
0 |
0 |
0 |
| T178 |
42632 |
0 |
0 |
0 |
| T197 |
270548 |
0 |
0 |
0 |
| T289 |
11718 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T424 |
0 |
2 |
0 |
0 |
| T427 |
408293 |
0 |
0 |
0 |
| T428 |
39611 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1713796 |
230 |
0 |
0 |
| T51 |
1013 |
0 |
0 |
0 |
| T59 |
3679 |
1 |
0 |
0 |
| T72 |
4184 |
0 |
0 |
0 |
| T143 |
3531 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
3208 |
0 |
0 |
0 |
| T178 |
660 |
0 |
0 |
0 |
| T197 |
4400 |
0 |
0 |
0 |
| T289 |
292 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T424 |
0 |
2 |
0 |
0 |
| T427 |
3621 |
0 |
0 |
0 |
| T428 |
824 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_7_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
| TOTAL | | 7 | 7 | 100.00 |
| ALWAYS | 31 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 49 | 0 | 0 | |
| CONT_ASSIGN | 52 | 0 | 0 | |
| ALWAYS | 55 | 0 | 0 | |
| ALWAYS | 89 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T59 T170 T169
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_7_cdc.u_src_to_dst_req
| Total | Covered | Percent |
| Conditions | 8 | 8 | 100.00 |
| Logical | 8 | 8 | 100.00 |
| Non-Logical | 0 | 0 | |
| Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T170,T169 |
| 1 | 0 | Covered | T59,T170,T169 |
| 1 | 1 | Covered | T174,T422,T407 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T170,T169 |
| 1 | 0 | Covered | T174,T422,T407 |
| 1 | 1 | Covered | T59,T170,T169 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_7_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
| Branches |
|
4 |
4 |
100.00 |
| IF |
31 |
2 |
2 |
100.00 |
| IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_7_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1713796 |
224 |
0 |
0 |
| T51 |
1013 |
0 |
0 |
0 |
| T59 |
3679 |
1 |
0 |
0 |
| T72 |
4184 |
0 |
0 |
0 |
| T143 |
3531 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
3208 |
0 |
0 |
0 |
| T178 |
660 |
0 |
0 |
0 |
| T197 |
4400 |
0 |
0 |
0 |
| T289 |
292 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T424 |
0 |
2 |
0 |
0 |
| T427 |
3621 |
0 |
0 |
0 |
| T428 |
824 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
145700402 |
224 |
0 |
0 |
| T51 |
112341 |
0 |
0 |
0 |
| T59 |
410860 |
1 |
0 |
0 |
| T72 |
178551 |
0 |
0 |
0 |
| T143 |
397969 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
361813 |
0 |
0 |
0 |
| T178 |
42632 |
0 |
0 |
0 |
| T197 |
270548 |
0 |
0 |
0 |
| T289 |
11718 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T424 |
0 |
2 |
0 |
0 |
| T427 |
408293 |
0 |
0 |
0 |
| T428 |
39611 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_7_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
| TOTAL | | 7 | 7 | 100.00 |
| ALWAYS | 31 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 49 | 0 | 0 | |
| CONT_ASSIGN | 52 | 0 | 0 | |
| ALWAYS | 55 | 0 | 0 | |
| ALWAYS | 89 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T59 T170 T169
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_7_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
| Conditions | 8 | 8 | 100.00 |
| Logical | 8 | 8 | 100.00 |
| Non-Logical | 0 | 0 | |
| Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T170,T169 |
| 1 | 0 | Covered | T59,T170,T169 |
| 1 | 1 | Covered | T174,T422,T407 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T170,T169 |
| 1 | 0 | Covered | T174,T422,T407 |
| 1 | 1 | Covered | T59,T170,T169 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_7_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
| Branches |
|
4 |
4 |
100.00 |
| IF |
31 |
2 |
2 |
100.00 |
| IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_7_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
145700402 |
224 |
0 |
0 |
| T51 |
112341 |
0 |
0 |
0 |
| T59 |
410860 |
1 |
0 |
0 |
| T72 |
178551 |
0 |
0 |
0 |
| T143 |
397969 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
361813 |
0 |
0 |
0 |
| T178 |
42632 |
0 |
0 |
0 |
| T197 |
270548 |
0 |
0 |
0 |
| T289 |
11718 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T424 |
0 |
2 |
0 |
0 |
| T427 |
408293 |
0 |
0 |
0 |
| T428 |
39611 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1713796 |
224 |
0 |
0 |
| T51 |
1013 |
0 |
0 |
0 |
| T59 |
3679 |
1 |
0 |
0 |
| T72 |
4184 |
0 |
0 |
0 |
| T143 |
3531 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
3208 |
0 |
0 |
0 |
| T178 |
660 |
0 |
0 |
0 |
| T197 |
4400 |
0 |
0 |
0 |
| T289 |
292 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T424 |
0 |
2 |
0 |
0 |
| T427 |
3621 |
0 |
0 |
0 |
| T428 |
824 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_0_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
| TOTAL | | 7 | 7 | 100.00 |
| ALWAYS | 31 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 49 | 0 | 0 | |
| CONT_ASSIGN | 52 | 0 | 0 | |
| ALWAYS | 55 | 0 | 0 | |
| ALWAYS | 89 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T59 T170 T169
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_0_cdc.u_src_to_dst_req
| Total | Covered | Percent |
| Conditions | 8 | 8 | 100.00 |
| Logical | 8 | 8 | 100.00 |
| Non-Logical | 0 | 0 | |
| Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T170,T169 |
| 1 | 0 | Covered | T59,T170,T169 |
| 1 | 1 | Covered | T174,T422,T407 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T170,T169 |
| 1 | 0 | Covered | T174,T422,T407 |
| 1 | 1 | Covered | T59,T170,T169 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_0_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
| Branches |
|
4 |
4 |
100.00 |
| IF |
31 |
2 |
2 |
100.00 |
| IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_0_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1713796 |
255 |
0 |
0 |
| T51 |
1013 |
0 |
0 |
0 |
| T59 |
3679 |
1 |
0 |
0 |
| T72 |
4184 |
0 |
0 |
0 |
| T143 |
3531 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
3208 |
0 |
0 |
0 |
| T178 |
660 |
0 |
0 |
0 |
| T197 |
4400 |
0 |
0 |
0 |
| T289 |
292 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T424 |
0 |
2 |
0 |
0 |
| T427 |
3621 |
0 |
0 |
0 |
| T428 |
824 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
145700402 |
255 |
0 |
0 |
| T51 |
112341 |
0 |
0 |
0 |
| T59 |
410860 |
1 |
0 |
0 |
| T72 |
178551 |
0 |
0 |
0 |
| T143 |
397969 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
361813 |
0 |
0 |
0 |
| T178 |
42632 |
0 |
0 |
0 |
| T197 |
270548 |
0 |
0 |
0 |
| T289 |
11718 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T424 |
0 |
2 |
0 |
0 |
| T427 |
408293 |
0 |
0 |
0 |
| T428 |
39611 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
| TOTAL | | 7 | 7 | 100.00 |
| ALWAYS | 31 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 49 | 0 | 0 | |
| CONT_ASSIGN | 52 | 0 | 0 | |
| ALWAYS | 55 | 0 | 0 | |
| ALWAYS | 89 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T59 T170 T169
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
| Conditions | 8 | 8 | 100.00 |
| Logical | 8 | 8 | 100.00 |
| Non-Logical | 0 | 0 | |
| Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T170,T169 |
| 1 | 0 | Covered | T59,T170,T169 |
| 1 | 1 | Covered | T174,T422,T407 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T170,T169 |
| 1 | 0 | Covered | T174,T422,T407 |
| 1 | 1 | Covered | T59,T170,T169 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
| Branches |
|
4 |
4 |
100.00 |
| IF |
31 |
2 |
2 |
100.00 |
| IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
145700402 |
255 |
0 |
0 |
| T51 |
112341 |
0 |
0 |
0 |
| T59 |
410860 |
1 |
0 |
0 |
| T72 |
178551 |
0 |
0 |
0 |
| T143 |
397969 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
361813 |
0 |
0 |
0 |
| T178 |
42632 |
0 |
0 |
0 |
| T197 |
270548 |
0 |
0 |
0 |
| T289 |
11718 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T424 |
0 |
2 |
0 |
0 |
| T427 |
408293 |
0 |
0 |
0 |
| T428 |
39611 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1713796 |
255 |
0 |
0 |
| T51 |
1013 |
0 |
0 |
0 |
| T59 |
3679 |
1 |
0 |
0 |
| T72 |
4184 |
0 |
0 |
0 |
| T143 |
3531 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
3208 |
0 |
0 |
0 |
| T178 |
660 |
0 |
0 |
0 |
| T197 |
4400 |
0 |
0 |
0 |
| T289 |
292 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T424 |
0 |
2 |
0 |
0 |
| T427 |
3621 |
0 |
0 |
0 |
| T428 |
824 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_1_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
| TOTAL | | 7 | 7 | 100.00 |
| ALWAYS | 31 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 49 | 0 | 0 | |
| CONT_ASSIGN | 52 | 0 | 0 | |
| ALWAYS | 55 | 0 | 0 | |
| ALWAYS | 89 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T86 T59 T117
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_1_cdc.u_src_to_dst_req
| Total | Covered | Percent |
| Conditions | 8 | 8 | 100.00 |
| Logical | 8 | 8 | 100.00 |
| Non-Logical | 0 | 0 | |
| Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T86,T59,T117 |
| 1 | 0 | Covered | T86,T59,T117 |
| 1 | 1 | Covered | T174,T422,T407 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T86,T59,T117 |
| 1 | 0 | Covered | T174,T422,T407 |
| 1 | 1 | Covered | T86,T59,T117 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_1_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
| Branches |
|
4 |
4 |
100.00 |
| IF |
31 |
2 |
2 |
100.00 |
| IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_1_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1713796 |
238 |
0 |
0 |
| T51 |
1013 |
0 |
0 |
0 |
| T59 |
3679 |
1 |
0 |
0 |
| T72 |
4184 |
0 |
0 |
0 |
| T117 |
0 |
1 |
0 |
0 |
| T143 |
3531 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
3208 |
0 |
0 |
0 |
| T178 |
660 |
0 |
0 |
0 |
| T197 |
4400 |
0 |
0 |
0 |
| T289 |
292 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T427 |
3621 |
0 |
0 |
0 |
| T428 |
824 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
145700402 |
241 |
0 |
0 |
| T16 |
271373 |
0 |
0 |
0 |
| T21 |
243618 |
0 |
0 |
0 |
| T59 |
0 |
1 |
0 |
0 |
| T86 |
36370 |
1 |
0 |
0 |
| T87 |
40056 |
0 |
0 |
0 |
| T117 |
0 |
1 |
0 |
0 |
| T161 |
40646 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T234 |
131288 |
0 |
0 |
0 |
| T319 |
19052 |
0 |
0 |
0 |
| T336 |
115459 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T413 |
26385 |
0 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T439 |
0 |
1 |
0 |
0 |
| T440 |
25040 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
| TOTAL | | 7 | 7 | 100.00 |
| ALWAYS | 31 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 49 | 0 | 0 | |
| CONT_ASSIGN | 52 | 0 | 0 | |
| ALWAYS | 55 | 0 | 0 | |
| ALWAYS | 89 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T86 T59 T117
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
| Conditions | 8 | 8 | 100.00 |
| Logical | 8 | 8 | 100.00 |
| Non-Logical | 0 | 0 | |
| Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T86,T59,T117 |
| 1 | 0 | Covered | T59,T117,T170 |
| 1 | 1 | Covered | T174,T422,T407 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T86,T59,T117 |
| 1 | 0 | Covered | T174,T422,T407 |
| 1 | 1 | Covered | T86,T59,T117 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
| Branches |
|
4 |
4 |
100.00 |
| IF |
31 |
2 |
2 |
100.00 |
| IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
145700402 |
241 |
0 |
0 |
| T16 |
271373 |
0 |
0 |
0 |
| T21 |
243618 |
0 |
0 |
0 |
| T59 |
0 |
1 |
0 |
0 |
| T86 |
36370 |
1 |
0 |
0 |
| T87 |
40056 |
0 |
0 |
0 |
| T117 |
0 |
1 |
0 |
0 |
| T161 |
40646 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T234 |
131288 |
0 |
0 |
0 |
| T319 |
19052 |
0 |
0 |
0 |
| T336 |
115459 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T413 |
26385 |
0 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T439 |
0 |
1 |
0 |
0 |
| T440 |
25040 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1713796 |
241 |
0 |
0 |
| T16 |
4441 |
0 |
0 |
0 |
| T21 |
2232 |
0 |
0 |
0 |
| T59 |
0 |
1 |
0 |
0 |
| T86 |
693 |
1 |
0 |
0 |
| T87 |
806 |
0 |
0 |
0 |
| T117 |
0 |
1 |
0 |
0 |
| T161 |
1117 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T234 |
1336 |
0 |
0 |
0 |
| T319 |
388 |
0 |
0 |
0 |
| T336 |
1162 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T413 |
427 |
0 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T439 |
0 |
1 |
0 |
0 |
| T440 |
408 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_2_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
| TOTAL | | 7 | 7 | 100.00 |
| ALWAYS | 31 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 49 | 0 | 0 | |
| CONT_ASSIGN | 52 | 0 | 0 | |
| ALWAYS | 55 | 0 | 0 | |
| ALWAYS | 89 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T59 T170 T169
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_2_cdc.u_src_to_dst_req
| Total | Covered | Percent |
| Conditions | 8 | 8 | 100.00 |
| Logical | 8 | 8 | 100.00 |
| Non-Logical | 0 | 0 | |
| Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T170,T169 |
| 1 | 0 | Covered | T59,T170,T169 |
| 1 | 1 | Covered | T174,T422,T407 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T170,T169 |
| 1 | 0 | Covered | T174,T422,T407 |
| 1 | 1 | Covered | T59,T170,T169 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_2_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
| Branches |
|
4 |
4 |
100.00 |
| IF |
31 |
2 |
2 |
100.00 |
| IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_2_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1713796 |
265 |
0 |
0 |
| T51 |
1013 |
0 |
0 |
0 |
| T59 |
3679 |
1 |
0 |
0 |
| T72 |
4184 |
0 |
0 |
0 |
| T143 |
3531 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
3208 |
0 |
0 |
0 |
| T178 |
660 |
0 |
0 |
0 |
| T197 |
4400 |
0 |
0 |
0 |
| T289 |
292 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T424 |
0 |
2 |
0 |
0 |
| T427 |
3621 |
0 |
0 |
0 |
| T428 |
824 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
145700402 |
265 |
0 |
0 |
| T51 |
112341 |
0 |
0 |
0 |
| T59 |
410860 |
1 |
0 |
0 |
| T72 |
178551 |
0 |
0 |
0 |
| T143 |
397969 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
361813 |
0 |
0 |
0 |
| T178 |
42632 |
0 |
0 |
0 |
| T197 |
270548 |
0 |
0 |
0 |
| T289 |
11718 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T424 |
0 |
2 |
0 |
0 |
| T427 |
408293 |
0 |
0 |
0 |
| T428 |
39611 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
| TOTAL | | 7 | 7 | 100.00 |
| ALWAYS | 31 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 49 | 0 | 0 | |
| CONT_ASSIGN | 52 | 0 | 0 | |
| ALWAYS | 55 | 0 | 0 | |
| ALWAYS | 89 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin
31 1/1 if (!rst_src_ni) begin
Tests: T1 T2 T3
32 1/1 src_level <= 1'b0;
Tests: T1 T2 T3
33 end else begin
34 1/1 src_level <= src_level ^ src_pulse_i;
Tests: T1 T2 T3
35 end
36 end
37
38
39 // source active must come far enough such that the destination domain has time
40 // to create a valid pulse.
41 `ifdef INC_ASSERT
42 //VCS coverage off
43 // pragma coverage off
44
45 // source active flag tracks whether there is an ongoing "toggle" event.
46 // Until this toggle event is accepted by the destination domain (negative edge of
47 // of the pulse output), the source side cannot toggle again.
48 logic effective_rst_n;
49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o;
50
51 logic src_active_flag_d, src_active_flag_q;
52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q;
53
54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin
55 unreachable if (!effective_rst_n) begin
56 unreachable src_active_flag_q <= '0;
57 end else begin
58 unreachable src_active_flag_q <= src_active_flag_d;
59 end
60 end
61
62 //VCS coverage on
63 // pragma coverage on
64
65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni)
66 `endif
67
68 //////////////////////////////////////////////////////////
69 // synchronize level signal to destination clock domain //
70 //////////////////////////////////////////////////////////
71 logic dst_level;
72
73 prim_flop_2sync #(.Width(1)) prim_flop_2sync (
74 // source clock domain
75 .d_i (src_level),
76 // destination clock domain
77 .clk_i (clk_dst_i),
78 .rst_ni (rst_dst_ni),
79 .q_o (dst_level)
80 );
81
82 ////////////////////////////////////////
83 // convert level signal back to pulse //
84 ////////////////////////////////////////
85 logic dst_level_q;
86
87 // delay dst_level by 1 cycle
88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin
89 1/1 if (!rst_dst_ni) begin
Tests: T1 T2 T3
90 1/1 dst_level_q <= 1'b0;
Tests: T1 T2 T3
91 end else begin
92 1/1 dst_level_q <= dst_level;
Tests: T1 T2 T3
93 end
94 end
95
96 // edge detection
97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level;
Tests: T59 T170 T169
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
| Conditions | 8 | 8 | 100.00 |
| Logical | 8 | 8 | 100.00 |
| Non-Logical | 0 | 0 | |
| Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T170,T169 |
| 1 | 0 | Covered | T59,T170,T169 |
| 1 | 1 | Covered | T174,T422,T407 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T59,T170,T169 |
| 1 | 0 | Covered | T174,T422,T407 |
| 1 | 1 | Covered | T59,T170,T169 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
| Branches |
|
4 |
4 |
100.00 |
| IF |
31 |
2 |
2 |
100.00 |
| IF |
89 |
2 |
2 |
100.00 |
31 if (!rst_src_ni) begin
-1-
32 src_level <= 1'b0;
==>
33 end else begin
34 src_level <= src_level ^ src_pulse_i;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
89 if (!rst_dst_ni) begin
-1-
90 dst_level_q <= 1'b0;
==>
91 end else begin
92 dst_level_q <= dst_level;
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
145700402 |
265 |
0 |
0 |
| T51 |
112341 |
0 |
0 |
0 |
| T59 |
410860 |
1 |
0 |
0 |
| T72 |
178551 |
0 |
0 |
0 |
| T143 |
397969 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
361813 |
0 |
0 |
0 |
| T178 |
42632 |
0 |
0 |
0 |
| T197 |
270548 |
0 |
0 |
0 |
| T289 |
11718 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T424 |
0 |
2 |
0 |
0 |
| T427 |
408293 |
0 |
0 |
0 |
| T428 |
39611 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1713796 |
265 |
0 |
0 |
| T51 |
1013 |
0 |
0 |
0 |
| T59 |
3679 |
1 |
0 |
0 |
| T72 |
4184 |
0 |
0 |
0 |
| T143 |
3531 |
0 |
0 |
0 |
| T174 |
0 |
2 |
0 |
0 |
| T175 |
3208 |
0 |
0 |
0 |
| T178 |
660 |
0 |
0 |
0 |
| T197 |
4400 |
0 |
0 |
0 |
| T289 |
292 |
0 |
0 |
0 |
| T397 |
0 |
1 |
0 |
0 |
| T406 |
0 |
1 |
0 |
0 |
| T407 |
0 |
2 |
0 |
0 |
| T420 |
0 |
1 |
0 |
0 |
| T421 |
0 |
1 |
0 |
0 |
| T422 |
0 |
2 |
0 |
0 |
| T423 |
0 |
1 |
0 |
0 |
| T424 |
0 |
2 |
0 |
0 |
| T427 |
3621 |
0 |
0 |
0 |
| T428 |
824 |
0 |
0 |
0 |