Line Coverage for Module :
prim_fifo_sync
| Line No. | Total | Covered | Percent |
TOTAL | | 14 | 14 | 100.00 |
ALWAYS | 69 | 4 | 4 | 100.00 |
CONT_ASSIGN | 81 | 1 | 1 | 100.00 |
CONT_ASSIGN | 82 | 1 | 1 | 100.00 |
CONT_ASSIGN | 100 | 1 | 1 | 100.00 |
CONT_ASSIGN | 101 | 1 | 1 | 100.00 |
CONT_ASSIGN | 120 | 1 | 1 | 100.00 |
ALWAYS | 123 | 2 | 2 | 100.00 |
CONT_ASSIGN | 133 | 1 | 1 | 100.00 |
CONT_ASSIGN | 134 | 1 | 1 | 100.00 |
CONT_ASSIGN | 140 | 1 | 1 | 100.00 |
68 always_ff @(posedge clk_i or negedge rst_ni) begin
69 1/1 if (!rst_ni) begin
Tests: T1 T2 T3
70 1/1 under_rst <= 1'b1;
Tests: T1 T2 T3
71 1/1 end else if (under_rst) begin
Tests: T1 T2 T3
72 1/1 under_rst <= ~under_rst;
Tests: T1 T2 T3
73 end
MISSING_ELSE
74 end
75
76 logic empty;
77
78 // full and not ready for write are two different concepts.
79 // The latter can be '0' when under reset, while the former is an indication that no more
80 // entries can be written.
81 1/1 assign wready_o = ~full_o & ~under_rst;
Tests: T1 T2 T3
82 1/1 assign rvalid_o = ~empty & ~under_rst;
Tests: T1 T2 T3
83
84 prim_fifo_sync_cnt #(
85 .Depth(Depth),
86 .Secure(Secure)
87 ) u_fifo_cnt (
88 .clk_i,
89 .rst_ni,
90 .clr_i,
91 .incr_wptr_i(fifo_incr_wptr),
92 .incr_rptr_i(fifo_incr_rptr),
93 .wptr_o(fifo_wptr),
94 .rptr_o(fifo_rptr),
95 .full_o,
96 .empty_o(fifo_empty),
97 .depth_o,
98 .err_o
99 );
100 1/1 assign fifo_incr_wptr = wvalid_i & wready_o & ~under_rst;
Tests: T1 T2 T3
101 1/1 assign fifo_incr_rptr = rvalid_o & rready_i & ~under_rst;
Tests: T1 T2 T3
102
103 // the generate blocks below are needed to avoid lint errors due to array indexing
104 // in the where the fifo only has one storage element
105 logic [Depth-1:0][Width-1:0] storage;
106 logic [Width-1:0] storage_rdata;
107 if (Depth == 1) begin : gen_depth_eq1
108 assign storage_rdata = storage[0];
109
110 always_ff @(posedge clk_i)
111 if (fifo_incr_wptr) begin
112 storage[0] <= wdata_i;
113 end
114
115 logic unused_ptrs;
116 assign unused_ptrs = ^{fifo_wptr, fifo_rptr};
117
118 // fifo with more than one storage element
119 end else begin : gen_depth_gt1
120 1/1 assign storage_rdata = storage[fifo_rptr];
Tests: T1 T2 T3
121
122 always_ff @(posedge clk_i)
123 1/1 if (fifo_incr_wptr) begin
Tests: T1 T2 T3
124 1/1 storage[fifo_wptr] <= wdata_i;
Tests: T5 T9 T17
125 end
MISSING_ELSE
126 end
127
128 logic [Width-1:0] rdata_int;
129 if (Pass == 1'b1) begin : gen_pass
130 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
131 assign empty = fifo_empty & ~wvalid_i;
132 end else begin : gen_nopass
133 1/1 assign rdata_int = storage_rdata;
Tests: T5 T9 T17
134 1/1 assign empty = fifo_empty;
Tests: T1 T2 T3
135 end
136
137 if (OutputZeroIfEmpty == 1'b1) begin : gen_output_zero
138 assign rdata_o = empty ? Width'(0) : rdata_int;
139 end else begin : gen_no_output_zero
140 1/1 assign rdata_o = rdata_int;
Tests: T5 T9 T17
Cond Coverage for Module :
prim_fifo_sync
| Total | Covered | Percent |
Conditions | 14 | 11 | 78.57 |
Logical | 14 | 11 | 78.57 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 81
EXPRESSION (((~full_o)) & ((~gen_normal_fifo.under_rst)))
-----1----- ---------------2--------------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T5,T9,T10 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T1,T2,T3 |
LINE 82
EXPRESSION (((~gen_normal_fifo.empty)) & ((~gen_normal_fifo.under_rst)))
-------------1------------ ---------------2--------------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T1,T2,T3 |
1 | 0 | Not Covered | |
1 | 1 | Covered | T5,T9,T17 |
LINE 100
EXPRESSION (wvalid_i & wready_o & ((~gen_normal_fifo.under_rst)))
----1--- ----2--- ---------------3--------------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | Covered | T110 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T5,T9,T17 |
LINE 101
EXPRESSION (rvalid_o & rready_i & ((~gen_normal_fifo.under_rst)))
----1--- ----2--- ---------------3--------------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T29,T33,T34 |
1 | 0 | 1 | Covered | T5,T9,T17 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T9,T14,T11 |
Branch Coverage for Module :
prim_fifo_sync
| Line No. | Total | Covered | Percent |
Branches |
|
5 |
5 |
100.00 |
IF |
69 |
3 |
3 |
100.00 |
IF |
123 |
2 |
2 |
100.00 |
69 if (!rst_ni) begin
-1-
70 under_rst <= 1'b1;
==>
71 end else if (under_rst) begin
-2-
72 under_rst <= ~under_rst;
==>
73 end
MISSING_ELSE
==>
Branches:
-1- | -2- | Status | Tests |
1 |
- |
Covered |
T1,T2,T3 |
0 |
1 |
Covered |
T1,T2,T3 |
0 |
0 |
Covered |
T1,T2,T3 |
123 if (fifo_incr_wptr) begin
-1-
124 storage[fifo_wptr] <= wdata_i;
==>
125 end
MISSING_ELSE
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T5,T9,T17 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Module :
prim_fifo_sync
Assertion Details
DataKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
21114680 |
1056683 |
0 |
0 |
T5 |
938 |
425 |
0 |
0 |
T6 |
31036 |
0 |
0 |
0 |
T7 |
0 |
75 |
0 |
0 |
T9 |
5524 |
5149 |
0 |
0 |
T10 |
0 |
547 |
0 |
0 |
T11 |
0 |
3875 |
0 |
0 |
T14 |
0 |
4504 |
0 |
0 |
T19 |
0 |
2444 |
0 |
0 |
T21 |
0 |
1613 |
0 |
0 |
T22 |
1500 |
0 |
0 |
0 |
T23 |
3484 |
0 |
0 |
0 |
T24 |
2442 |
0 |
0 |
0 |
T25 |
3266 |
0 |
0 |
0 |
T43 |
0 |
4725 |
0 |
0 |
T56 |
0 |
767 |
0 |
0 |
T59 |
3274 |
0 |
0 |
0 |
T60 |
8392 |
0 |
0 |
0 |
T71 |
2964 |
0 |
0 |
0 |
DataKnown_AKnownEnable
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
21896466 |
21527724 |
0 |
0 |
T1 |
2224 |
2106 |
0 |
0 |
T2 |
2002 |
1848 |
0 |
0 |
T3 |
2800 |
2658 |
0 |
0 |
T4 |
4022 |
3704 |
0 |
0 |
T5 |
2606 |
2344 |
0 |
0 |
T6 |
31036 |
30040 |
0 |
0 |
T9 |
5524 |
5356 |
0 |
0 |
T22 |
1500 |
1362 |
0 |
0 |
T23 |
3484 |
3376 |
0 |
0 |
T24 |
2442 |
2264 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
21896466 |
21527724 |
0 |
0 |
T1 |
2224 |
2106 |
0 |
0 |
T2 |
2002 |
1848 |
0 |
0 |
T3 |
2800 |
2658 |
0 |
0 |
T4 |
4022 |
3704 |
0 |
0 |
T5 |
2606 |
2344 |
0 |
0 |
T6 |
31036 |
30040 |
0 |
0 |
T9 |
5524 |
5356 |
0 |
0 |
T22 |
1500 |
1362 |
0 |
0 |
T23 |
3484 |
3376 |
0 |
0 |
T24 |
2442 |
2264 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
21896466 |
21527724 |
0 |
0 |
T1 |
2224 |
2106 |
0 |
0 |
T2 |
2002 |
1848 |
0 |
0 |
T3 |
2800 |
2658 |
0 |
0 |
T4 |
4022 |
3704 |
0 |
0 |
T5 |
2606 |
2344 |
0 |
0 |
T6 |
31036 |
30040 |
0 |
0 |
T9 |
5524 |
5356 |
0 |
0 |
T22 |
1500 |
1362 |
0 |
0 |
T23 |
3484 |
3376 |
0 |
0 |
T24 |
2442 |
2264 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
21896466 |
21527724 |
0 |
0 |
T1 |
2224 |
2106 |
0 |
0 |
T2 |
2002 |
1848 |
0 |
0 |
T3 |
2800 |
2658 |
0 |
0 |
T4 |
4022 |
3704 |
0 |
0 |
T5 |
2606 |
2344 |
0 |
0 |
T6 |
31036 |
30040 |
0 |
0 |
T9 |
5524 |
5356 |
0 |
0 |
T22 |
1500 |
1362 |
0 |
0 |
T23 |
3484 |
3376 |
0 |
0 |
T24 |
2442 |
2264 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
21508808 |
1165122 |
0 |
0 |
T5 |
2606 |
1247 |
0 |
0 |
T6 |
31036 |
0 |
0 |
0 |
T7 |
0 |
920 |
0 |
0 |
T9 |
5524 |
5149 |
0 |
0 |
T10 |
0 |
547 |
0 |
0 |
T11 |
0 |
3875 |
0 |
0 |
T14 |
0 |
4504 |
0 |
0 |
T17 |
0 |
2290 |
0 |
0 |
T19 |
0 |
2444 |
0 |
0 |
T22 |
1500 |
0 |
0 |
0 |
T23 |
3484 |
0 |
0 |
0 |
T24 |
2442 |
0 |
0 |
0 |
T25 |
3266 |
0 |
0 |
0 |
T43 |
0 |
4725 |
0 |
0 |
T59 |
3274 |
0 |
0 |
0 |
T60 |
8392 |
0 |
0 |
0 |
T71 |
2964 |
0 |
0 |
0 |
T72 |
0 |
220 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_edn_core.u_prim_fifo_sync_rescmd
| Line No. | Total | Covered | Percent |
TOTAL | | 14 | 14 | 100.00 |
ALWAYS | 69 | 4 | 4 | 100.00 |
CONT_ASSIGN | 81 | 1 | 1 | 100.00 |
CONT_ASSIGN | 82 | 1 | 1 | 100.00 |
CONT_ASSIGN | 100 | 1 | 1 | 100.00 |
CONT_ASSIGN | 101 | 1 | 1 | 100.00 |
CONT_ASSIGN | 120 | 1 | 1 | 100.00 |
ALWAYS | 123 | 2 | 2 | 100.00 |
CONT_ASSIGN | 133 | 1 | 1 | 100.00 |
CONT_ASSIGN | 134 | 1 | 1 | 100.00 |
CONT_ASSIGN | 140 | 1 | 1 | 100.00 |
68 always_ff @(posedge clk_i or negedge rst_ni) begin
69 1/1 if (!rst_ni) begin
Tests: T1 T2 T3
70 1/1 under_rst <= 1'b1;
Tests: T1 T2 T3
71 1/1 end else if (under_rst) begin
Tests: T1 T2 T3
72 1/1 under_rst <= ~under_rst;
Tests: T1 T2 T3
73 end
MISSING_ELSE
74 end
75
76 logic empty;
77
78 // full and not ready for write are two different concepts.
79 // The latter can be '0' when under reset, while the former is an indication that no more
80 // entries can be written.
81 1/1 assign wready_o = ~full_o & ~under_rst;
Tests: T1 T2 T3
82 1/1 assign rvalid_o = ~empty & ~under_rst;
Tests: T1 T2 T3
83
84 prim_fifo_sync_cnt #(
85 .Depth(Depth),
86 .Secure(Secure)
87 ) u_fifo_cnt (
88 .clk_i,
89 .rst_ni,
90 .clr_i,
91 .incr_wptr_i(fifo_incr_wptr),
92 .incr_rptr_i(fifo_incr_rptr),
93 .wptr_o(fifo_wptr),
94 .rptr_o(fifo_rptr),
95 .full_o,
96 .empty_o(fifo_empty),
97 .depth_o,
98 .err_o
99 );
100 1/1 assign fifo_incr_wptr = wvalid_i & wready_o & ~under_rst;
Tests: T1 T2 T3
101 1/1 assign fifo_incr_rptr = rvalid_o & rready_i & ~under_rst;
Tests: T1 T2 T3
102
103 // the generate blocks below are needed to avoid lint errors due to array indexing
104 // in the where the fifo only has one storage element
105 logic [Depth-1:0][Width-1:0] storage;
106 logic [Width-1:0] storage_rdata;
107 if (Depth == 1) begin : gen_depth_eq1
108 assign storage_rdata = storage[0];
109
110 always_ff @(posedge clk_i)
111 if (fifo_incr_wptr) begin
112 storage[0] <= wdata_i;
113 end
114
115 logic unused_ptrs;
116 assign unused_ptrs = ^{fifo_wptr, fifo_rptr};
117
118 // fifo with more than one storage element
119 end else begin : gen_depth_gt1
120 1/1 assign storage_rdata = storage[fifo_rptr];
Tests: T1 T2 T3
121
122 always_ff @(posedge clk_i)
123 1/1 if (fifo_incr_wptr) begin
Tests: T1 T2 T3
124 1/1 storage[fifo_wptr] <= wdata_i;
Tests: T5 T9 T17
125 end
MISSING_ELSE
126 end
127
128 logic [Width-1:0] rdata_int;
129 if (Pass == 1'b1) begin : gen_pass
130 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
131 assign empty = fifo_empty & ~wvalid_i;
132 end else begin : gen_nopass
133 1/1 assign rdata_int = storage_rdata;
Tests: T5 T9 T17
134 1/1 assign empty = fifo_empty;
Tests: T1 T2 T3
135 end
136
137 if (OutputZeroIfEmpty == 1'b1) begin : gen_output_zero
138 assign rdata_o = empty ? Width'(0) : rdata_int;
139 end else begin : gen_no_output_zero
140 1/1 assign rdata_o = rdata_int;
Tests: T5 T9 T17
Cond Coverage for Instance : tb.dut.u_edn_core.u_prim_fifo_sync_rescmd
| Total | Covered | Percent |
Conditions | 14 | 10 | 71.43 |
Logical | 14 | 10 | 71.43 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 81
EXPRESSION (((~full_o)) & ((~gen_normal_fifo.under_rst)))
-----1----- ---------------2--------------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T5,T63,T82 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T1,T2,T3 |
LINE 82
EXPRESSION (((~gen_normal_fifo.empty)) & ((~gen_normal_fifo.under_rst)))
-------------1------------ ---------------2--------------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T1,T2,T3 |
1 | 0 | Not Covered | |
1 | 1 | Covered | T5,T9,T17 |
LINE 100
EXPRESSION (wvalid_i & wready_o & ((~gen_normal_fifo.under_rst)))
----1--- ----2--- ---------------3--------------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | Not Covered | |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T5,T9,T17 |
LINE 101
EXPRESSION (rvalid_o & rready_i & ((~gen_normal_fifo.under_rst)))
----1--- ----2--- ---------------3--------------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T33,T34,T53 |
1 | 0 | 1 | Covered | T5,T9,T17 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T9,T14,T11 |
Branch Coverage for Instance : tb.dut.u_edn_core.u_prim_fifo_sync_rescmd
| Line No. | Total | Covered | Percent |
Branches |
|
5 |
5 |
100.00 |
IF |
69 |
3 |
3 |
100.00 |
IF |
123 |
2 |
2 |
100.00 |
69 if (!rst_ni) begin
-1-
70 under_rst <= 1'b1;
==>
71 end else if (under_rst) begin
-2-
72 under_rst <= ~under_rst;
==>
73 end
MISSING_ELSE
==>
Branches:
-1- | -2- | Status | Tests |
1 |
- |
Covered |
T1,T2,T3 |
0 |
1 |
Covered |
T1,T2,T3 |
0 |
0 |
Covered |
T1,T2,T3 |
123 if (fifo_incr_wptr) begin
-1-
124 storage[fifo_wptr] <= wdata_i;
==>
125 end
MISSING_ELSE
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T5,T9,T17 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_edn_core.u_prim_fifo_sync_rescmd
Assertion Details
DataKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
10557340 |
522185 |
0 |
0 |
T5 |
469 |
222 |
0 |
0 |
T6 |
15518 |
0 |
0 |
0 |
T7 |
0 |
25 |
0 |
0 |
T9 |
2762 |
2549 |
0 |
0 |
T10 |
0 |
262 |
0 |
0 |
T11 |
0 |
1883 |
0 |
0 |
T14 |
0 |
2238 |
0 |
0 |
T19 |
0 |
1217 |
0 |
0 |
T21 |
0 |
793 |
0 |
0 |
T22 |
750 |
0 |
0 |
0 |
T23 |
1742 |
0 |
0 |
0 |
T24 |
1221 |
0 |
0 |
0 |
T25 |
1633 |
0 |
0 |
0 |
T43 |
0 |
2342 |
0 |
0 |
T56 |
0 |
378 |
0 |
0 |
T59 |
1637 |
0 |
0 |
0 |
T60 |
4196 |
0 |
0 |
0 |
T71 |
1482 |
0 |
0 |
0 |
DataKnown_AKnownEnable
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
10948233 |
10763862 |
0 |
0 |
T1 |
1112 |
1053 |
0 |
0 |
T2 |
1001 |
924 |
0 |
0 |
T3 |
1400 |
1329 |
0 |
0 |
T4 |
2011 |
1852 |
0 |
0 |
T5 |
1303 |
1172 |
0 |
0 |
T6 |
15518 |
15020 |
0 |
0 |
T9 |
2762 |
2678 |
0 |
0 |
T22 |
750 |
681 |
0 |
0 |
T23 |
1742 |
1688 |
0 |
0 |
T24 |
1221 |
1132 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
10948233 |
10763862 |
0 |
0 |
T1 |
1112 |
1053 |
0 |
0 |
T2 |
1001 |
924 |
0 |
0 |
T3 |
1400 |
1329 |
0 |
0 |
T4 |
2011 |
1852 |
0 |
0 |
T5 |
1303 |
1172 |
0 |
0 |
T6 |
15518 |
15020 |
0 |
0 |
T9 |
2762 |
2678 |
0 |
0 |
T22 |
750 |
681 |
0 |
0 |
T23 |
1742 |
1688 |
0 |
0 |
T24 |
1221 |
1132 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
10948233 |
10763862 |
0 |
0 |
T1 |
1112 |
1053 |
0 |
0 |
T2 |
1001 |
924 |
0 |
0 |
T3 |
1400 |
1329 |
0 |
0 |
T4 |
2011 |
1852 |
0 |
0 |
T5 |
1303 |
1172 |
0 |
0 |
T6 |
15518 |
15020 |
0 |
0 |
T9 |
2762 |
2678 |
0 |
0 |
T22 |
750 |
681 |
0 |
0 |
T23 |
1742 |
1688 |
0 |
0 |
T24 |
1221 |
1132 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
10948233 |
10763862 |
0 |
0 |
T1 |
1112 |
1053 |
0 |
0 |
T2 |
1001 |
924 |
0 |
0 |
T3 |
1400 |
1329 |
0 |
0 |
T4 |
2011 |
1852 |
0 |
0 |
T5 |
1303 |
1172 |
0 |
0 |
T6 |
15518 |
15020 |
0 |
0 |
T9 |
2762 |
2678 |
0 |
0 |
T22 |
750 |
681 |
0 |
0 |
T23 |
1742 |
1688 |
0 |
0 |
T24 |
1221 |
1132 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
10754404 |
576039 |
0 |
0 |
T5 |
1303 |
582 |
0 |
0 |
T6 |
15518 |
0 |
0 |
0 |
T7 |
0 |
491 |
0 |
0 |
T9 |
2762 |
2549 |
0 |
0 |
T10 |
0 |
262 |
0 |
0 |
T11 |
0 |
1883 |
0 |
0 |
T14 |
0 |
2238 |
0 |
0 |
T17 |
0 |
1149 |
0 |
0 |
T19 |
0 |
1217 |
0 |
0 |
T22 |
750 |
0 |
0 |
0 |
T23 |
1742 |
0 |
0 |
0 |
T24 |
1221 |
0 |
0 |
0 |
T25 |
1633 |
0 |
0 |
0 |
T43 |
0 |
2342 |
0 |
0 |
T59 |
1637 |
0 |
0 |
0 |
T60 |
4196 |
0 |
0 |
0 |
T71 |
1482 |
0 |
0 |
0 |
T72 |
0 |
111 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_edn_core.u_prim_fifo_sync_gencmd
| Line No. | Total | Covered | Percent |
TOTAL | | 14 | 14 | 100.00 |
ALWAYS | 69 | 4 | 4 | 100.00 |
CONT_ASSIGN | 81 | 1 | 1 | 100.00 |
CONT_ASSIGN | 82 | 1 | 1 | 100.00 |
CONT_ASSIGN | 100 | 1 | 1 | 100.00 |
CONT_ASSIGN | 101 | 1 | 1 | 100.00 |
CONT_ASSIGN | 120 | 1 | 1 | 100.00 |
ALWAYS | 123 | 2 | 2 | 100.00 |
CONT_ASSIGN | 133 | 1 | 1 | 100.00 |
CONT_ASSIGN | 134 | 1 | 1 | 100.00 |
CONT_ASSIGN | 140 | 1 | 1 | 100.00 |
68 always_ff @(posedge clk_i or negedge rst_ni) begin
69 1/1 if (!rst_ni) begin
Tests: T1 T2 T3
70 1/1 under_rst <= 1'b1;
Tests: T1 T2 T3
71 1/1 end else if (under_rst) begin
Tests: T1 T2 T3
72 1/1 under_rst <= ~under_rst;
Tests: T1 T2 T3
73 end
MISSING_ELSE
74 end
75
76 logic empty;
77
78 // full and not ready for write are two different concepts.
79 // The latter can be '0' when under reset, while the former is an indication that no more
80 // entries can be written.
81 1/1 assign wready_o = ~full_o & ~under_rst;
Tests: T1 T2 T3
82 1/1 assign rvalid_o = ~empty & ~under_rst;
Tests: T1 T2 T3
83
84 prim_fifo_sync_cnt #(
85 .Depth(Depth),
86 .Secure(Secure)
87 ) u_fifo_cnt (
88 .clk_i,
89 .rst_ni,
90 .clr_i,
91 .incr_wptr_i(fifo_incr_wptr),
92 .incr_rptr_i(fifo_incr_rptr),
93 .wptr_o(fifo_wptr),
94 .rptr_o(fifo_rptr),
95 .full_o,
96 .empty_o(fifo_empty),
97 .depth_o,
98 .err_o
99 );
100 1/1 assign fifo_incr_wptr = wvalid_i & wready_o & ~under_rst;
Tests: T1 T2 T3
101 1/1 assign fifo_incr_rptr = rvalid_o & rready_i & ~under_rst;
Tests: T1 T2 T3
102
103 // the generate blocks below are needed to avoid lint errors due to array indexing
104 // in the where the fifo only has one storage element
105 logic [Depth-1:0][Width-1:0] storage;
106 logic [Width-1:0] storage_rdata;
107 if (Depth == 1) begin : gen_depth_eq1
108 assign storage_rdata = storage[0];
109
110 always_ff @(posedge clk_i)
111 if (fifo_incr_wptr) begin
112 storage[0] <= wdata_i;
113 end
114
115 logic unused_ptrs;
116 assign unused_ptrs = ^{fifo_wptr, fifo_rptr};
117
118 // fifo with more than one storage element
119 end else begin : gen_depth_gt1
120 1/1 assign storage_rdata = storage[fifo_rptr];
Tests: T1 T2 T3
121
122 always_ff @(posedge clk_i)
123 1/1 if (fifo_incr_wptr) begin
Tests: T1 T2 T3
124 1/1 storage[fifo_wptr] <= wdata_i;
Tests: T5 T9 T17
125 end
MISSING_ELSE
126 end
127
128 logic [Width-1:0] rdata_int;
129 if (Pass == 1'b1) begin : gen_pass
130 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
131 assign empty = fifo_empty & ~wvalid_i;
132 end else begin : gen_nopass
133 1/1 assign rdata_int = storage_rdata;
Tests: T5 T9 T17
134 1/1 assign empty = fifo_empty;
Tests: T1 T2 T3
135 end
136
137 if (OutputZeroIfEmpty == 1'b1) begin : gen_output_zero
138 assign rdata_o = empty ? Width'(0) : rdata_int;
139 end else begin : gen_no_output_zero
140 1/1 assign rdata_o = rdata_int;
Tests: T5 T9 T17
Cond Coverage for Instance : tb.dut.u_edn_core.u_prim_fifo_sync_gencmd
| Total | Covered | Percent |
Conditions | 14 | 11 | 78.57 |
Logical | 14 | 11 | 78.57 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 81
EXPRESSION (((~full_o)) & ((~gen_normal_fifo.under_rst)))
-----1----- ---------------2--------------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T5,T9,T10 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T1,T2,T3 |
LINE 82
EXPRESSION (((~gen_normal_fifo.empty)) & ((~gen_normal_fifo.under_rst)))
-------------1------------ ---------------2--------------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T1,T2,T3 |
1 | 0 | Not Covered | |
1 | 1 | Covered | T5,T9,T17 |
LINE 100
EXPRESSION (wvalid_i & wready_o & ((~gen_normal_fifo.under_rst)))
----1--- ----2--- ---------------3--------------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | Covered | T110 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T5,T9,T17 |
LINE 101
EXPRESSION (rvalid_o & rready_i & ((~gen_normal_fifo.under_rst)))
----1--- ----2--- ---------------3--------------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T29,T111,T112 |
1 | 0 | 1 | Covered | T5,T9,T17 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T9,T14,T11 |
Branch Coverage for Instance : tb.dut.u_edn_core.u_prim_fifo_sync_gencmd
| Line No. | Total | Covered | Percent |
Branches |
|
5 |
5 |
100.00 |
IF |
69 |
3 |
3 |
100.00 |
IF |
123 |
2 |
2 |
100.00 |
69 if (!rst_ni) begin
-1-
70 under_rst <= 1'b1;
==>
71 end else if (under_rst) begin
-2-
72 under_rst <= ~under_rst;
==>
73 end
MISSING_ELSE
==>
Branches:
-1- | -2- | Status | Tests |
1 |
- |
Covered |
T1,T2,T3 |
0 |
1 |
Covered |
T1,T2,T3 |
0 |
0 |
Covered |
T1,T2,T3 |
123 if (fifo_incr_wptr) begin
-1-
124 storage[fifo_wptr] <= wdata_i;
==>
125 end
MISSING_ELSE
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T5,T9,T17 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_edn_core.u_prim_fifo_sync_gencmd
Assertion Details
DataKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
10557340 |
534498 |
0 |
0 |
T5 |
469 |
203 |
0 |
0 |
T6 |
15518 |
0 |
0 |
0 |
T7 |
0 |
50 |
0 |
0 |
T9 |
2762 |
2600 |
0 |
0 |
T10 |
0 |
285 |
0 |
0 |
T11 |
0 |
1992 |
0 |
0 |
T14 |
0 |
2266 |
0 |
0 |
T19 |
0 |
1227 |
0 |
0 |
T21 |
0 |
820 |
0 |
0 |
T22 |
750 |
0 |
0 |
0 |
T23 |
1742 |
0 |
0 |
0 |
T24 |
1221 |
0 |
0 |
0 |
T25 |
1633 |
0 |
0 |
0 |
T43 |
0 |
2383 |
0 |
0 |
T56 |
0 |
389 |
0 |
0 |
T59 |
1637 |
0 |
0 |
0 |
T60 |
4196 |
0 |
0 |
0 |
T71 |
1482 |
0 |
0 |
0 |
DataKnown_AKnownEnable
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
10948233 |
10763862 |
0 |
0 |
T1 |
1112 |
1053 |
0 |
0 |
T2 |
1001 |
924 |
0 |
0 |
T3 |
1400 |
1329 |
0 |
0 |
T4 |
2011 |
1852 |
0 |
0 |
T5 |
1303 |
1172 |
0 |
0 |
T6 |
15518 |
15020 |
0 |
0 |
T9 |
2762 |
2678 |
0 |
0 |
T22 |
750 |
681 |
0 |
0 |
T23 |
1742 |
1688 |
0 |
0 |
T24 |
1221 |
1132 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
10948233 |
10763862 |
0 |
0 |
T1 |
1112 |
1053 |
0 |
0 |
T2 |
1001 |
924 |
0 |
0 |
T3 |
1400 |
1329 |
0 |
0 |
T4 |
2011 |
1852 |
0 |
0 |
T5 |
1303 |
1172 |
0 |
0 |
T6 |
15518 |
15020 |
0 |
0 |
T9 |
2762 |
2678 |
0 |
0 |
T22 |
750 |
681 |
0 |
0 |
T23 |
1742 |
1688 |
0 |
0 |
T24 |
1221 |
1132 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
10948233 |
10763862 |
0 |
0 |
T1 |
1112 |
1053 |
0 |
0 |
T2 |
1001 |
924 |
0 |
0 |
T3 |
1400 |
1329 |
0 |
0 |
T4 |
2011 |
1852 |
0 |
0 |
T5 |
1303 |
1172 |
0 |
0 |
T6 |
15518 |
15020 |
0 |
0 |
T9 |
2762 |
2678 |
0 |
0 |
T22 |
750 |
681 |
0 |
0 |
T23 |
1742 |
1688 |
0 |
0 |
T24 |
1221 |
1132 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
10948233 |
10763862 |
0 |
0 |
T1 |
1112 |
1053 |
0 |
0 |
T2 |
1001 |
924 |
0 |
0 |
T3 |
1400 |
1329 |
0 |
0 |
T4 |
2011 |
1852 |
0 |
0 |
T5 |
1303 |
1172 |
0 |
0 |
T6 |
15518 |
15020 |
0 |
0 |
T9 |
2762 |
2678 |
0 |
0 |
T22 |
750 |
681 |
0 |
0 |
T23 |
1742 |
1688 |
0 |
0 |
T24 |
1221 |
1132 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
10754404 |
589083 |
0 |
0 |
T5 |
1303 |
665 |
0 |
0 |
T6 |
15518 |
0 |
0 |
0 |
T7 |
0 |
429 |
0 |
0 |
T9 |
2762 |
2600 |
0 |
0 |
T10 |
0 |
285 |
0 |
0 |
T11 |
0 |
1992 |
0 |
0 |
T14 |
0 |
2266 |
0 |
0 |
T17 |
0 |
1141 |
0 |
0 |
T19 |
0 |
1227 |
0 |
0 |
T22 |
750 |
0 |
0 |
0 |
T23 |
1742 |
0 |
0 |
0 |
T24 |
1221 |
0 |
0 |
0 |
T25 |
1633 |
0 |
0 |
0 |
T43 |
0 |
2383 |
0 |
0 |
T59 |
1637 |
0 |
0 |
0 |
T60 |
4196 |
0 |
0 |
0 |
T71 |
1482 |
0 |
0 |
0 |
T72 |
0 |
109 |
0 |
0 |