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 | 130 | 1 | 1 | 100.00 |
CONT_ASSIGN | 131 | 1 | 1 | 100.00 |
CONT_ASSIGN | 138 | 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: T2 T3 T4
125 end
MISSING_ELSE
126 end
127
128 logic [Width-1:0] rdata_int;
129 if (Pass == 1'b1) begin : gen_pass
130 1/1 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
Tests: T1 T2 T3
131 1/1 assign empty = fifo_empty & ~wvalid_i;
Tests: T1 T2 T3
132 end else begin : gen_nopass
133 assign rdata_int = storage_rdata;
134 assign empty = fifo_empty;
135 end
136
137 if (OutputZeroIfEmpty == 1'b1) begin : gen_output_zero
138 1/1 assign rdata_o = empty ? Width'(0) : rdata_int;
Tests: T1 T2 T3
Cond Coverage for Module :
prim_fifo_sync
| Total | Covered | Percent |
Conditions | 24 | 20 | 83.33 |
Logical | 24 | 20 | 83.33 |
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 | T2,T3,T4 |
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 | T2,T3,T4 |
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 | T2,T3,T4 |
LINE 101
EXPRESSION (rvalid_o & rready_i & ((~gen_normal_fifo.under_rst)))
----1--- ----2--- ---------------3--------------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | Covered | T2,T3,T4 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T2,T3,T4 |
LINE 130
EXPRESSION ((gen_normal_fifo.fifo_empty && wvalid_i) ? wdata_i : gen_normal_fifo.storage_rdata)
--------------------1-------------------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T2,T3,T4 |
LINE 130
SUB-EXPRESSION (gen_normal_fifo.fifo_empty && wvalid_i)
-------------1------------ ----2---
-1- | -2- | Status | Tests |
0 | 1 | Covered | T2,T3,T4 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T2,T3,T4 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T2,T3,T4 |
1 | 0 | Covered | T2,T3,T4 |
1 | 1 | Covered | T1,T2,T3 |
LINE 138
EXPRESSION (gen_normal_fifo.empty ? (13'(0)) : gen_normal_fifo.rdata_int)
----------1----------
-1- | Status | Tests |
0 | Covered | T2,T3,T4 |
1 | Covered | T1,T2,T3 |
Branch Coverage for Module :
prim_fifo_sync
| Line No. | Total | Covered | Percent |
Branches |
|
9 |
9 |
100.00 |
TERNARY |
130 |
2 |
2 |
100.00 |
TERNARY |
138 |
2 |
2 |
100.00 |
IF |
69 |
3 |
3 |
100.00 |
IF |
123 |
2 |
2 |
100.00 |
130 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T2,T3,T4 |
0 |
Covered |
T1,T2,T3 |
138 assign rdata_o = empty ? Width'(0) : rdata_int;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T2,T3,T4 |
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 |
T2,T3,T4 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Module :
prim_fifo_sync
Assertion Details
DataKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
408447134 |
0 |
0 |
T2 |
564972 |
134213 |
0 |
0 |
T3 |
62716 |
14495 |
0 |
0 |
T4 |
97652 |
20165 |
0 |
0 |
T5 |
59960 |
14262 |
0 |
0 |
T6 |
46716 |
9800 |
0 |
0 |
T7 |
388476 |
95370 |
0 |
0 |
T8 |
51188 |
4781 |
0 |
0 |
T9 |
308412 |
68121 |
0 |
0 |
T10 |
587320 |
8974 |
0 |
0 |
T11 |
0 |
141 |
0 |
0 |
T30 |
1085744 |
255645 |
0 |
0 |
T41 |
0 |
45923 |
0 |
0 |
T42 |
1742608 |
203313 |
0 |
0 |
T43 |
104868 |
287 |
0 |
0 |
T44 |
434084 |
57685 |
0 |
0 |
T45 |
61436 |
6144 |
0 |
0 |
T46 |
157696 |
18504 |
0 |
0 |
T68 |
62948 |
1428 |
0 |
0 |
T71 |
159224 |
4482 |
0 |
0 |
T72 |
425332 |
57404 |
0 |
0 |
T73 |
0 |
13101 |
0 |
0 |
DataKnown_AKnownEnable
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
2147483647 |
0 |
0 |
T1 |
17152 |
16440 |
0 |
0 |
T2 |
1129944 |
1129496 |
0 |
0 |
T3 |
125432 |
125024 |
0 |
0 |
T4 |
195304 |
194688 |
0 |
0 |
T5 |
119920 |
119136 |
0 |
0 |
T6 |
93432 |
92736 |
0 |
0 |
T7 |
776952 |
776232 |
0 |
0 |
T8 |
102376 |
99216 |
0 |
0 |
T9 |
616824 |
616344 |
0 |
0 |
T10 |
587320 |
586664 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
2147483647 |
0 |
0 |
T1 |
17152 |
16440 |
0 |
0 |
T2 |
1129944 |
1129496 |
0 |
0 |
T3 |
125432 |
125024 |
0 |
0 |
T4 |
195304 |
194688 |
0 |
0 |
T5 |
119920 |
119136 |
0 |
0 |
T6 |
93432 |
92736 |
0 |
0 |
T7 |
776952 |
776232 |
0 |
0 |
T8 |
102376 |
99216 |
0 |
0 |
T9 |
616824 |
616344 |
0 |
0 |
T10 |
587320 |
586664 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
2147483647 |
0 |
0 |
T1 |
17152 |
16440 |
0 |
0 |
T2 |
1129944 |
1129496 |
0 |
0 |
T3 |
125432 |
125024 |
0 |
0 |
T4 |
195304 |
194688 |
0 |
0 |
T5 |
119920 |
119136 |
0 |
0 |
T6 |
93432 |
92736 |
0 |
0 |
T7 |
776952 |
776232 |
0 |
0 |
T8 |
102376 |
99216 |
0 |
0 |
T9 |
616824 |
616344 |
0 |
0 |
T10 |
587320 |
586664 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
2147483647 |
0 |
0 |
T1 |
17152 |
16440 |
0 |
0 |
T2 |
1129944 |
1129496 |
0 |
0 |
T3 |
125432 |
125024 |
0 |
0 |
T4 |
195304 |
194688 |
0 |
0 |
T5 |
119920 |
119136 |
0 |
0 |
T6 |
93432 |
92736 |
0 |
0 |
T7 |
776952 |
776232 |
0 |
0 |
T8 |
102376 |
99216 |
0 |
0 |
T9 |
616824 |
616344 |
0 |
0 |
T10 |
587320 |
586664 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
408447134 |
0 |
0 |
T2 |
564972 |
134213 |
0 |
0 |
T3 |
62716 |
14495 |
0 |
0 |
T4 |
97652 |
20165 |
0 |
0 |
T5 |
59960 |
14262 |
0 |
0 |
T6 |
46716 |
9800 |
0 |
0 |
T7 |
388476 |
95370 |
0 |
0 |
T8 |
51188 |
4781 |
0 |
0 |
T9 |
308412 |
68121 |
0 |
0 |
T10 |
587320 |
8974 |
0 |
0 |
T11 |
0 |
141 |
0 |
0 |
T30 |
1085744 |
255645 |
0 |
0 |
T41 |
0 |
45923 |
0 |
0 |
T42 |
1742608 |
203313 |
0 |
0 |
T43 |
104868 |
287 |
0 |
0 |
T44 |
434084 |
57685 |
0 |
0 |
T45 |
61436 |
6144 |
0 |
0 |
T46 |
157696 |
18504 |
0 |
0 |
T68 |
62948 |
1428 |
0 |
0 |
T71 |
159224 |
4482 |
0 |
0 |
T72 |
425332 |
57404 |
0 |
0 |
T73 |
0 |
13101 |
0 |
0 |
Line Coverage for Instance : tb.dut.i2c_core.u_fifos.u_rx_fifo_sram_adapter.u_inp_buf
| 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 | 130 | 1 | 1 | 100.00 |
CONT_ASSIGN | 131 | 1 | 1 | 100.00 |
CONT_ASSIGN | 138 | 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: T2 T7 T8
125 end
MISSING_ELSE
126 end
127
128 logic [Width-1:0] rdata_int;
129 if (Pass == 1'b1) begin : gen_pass
130 1/1 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
Tests: T1 T2 T3
131 1/1 assign empty = fifo_empty & ~wvalid_i;
Tests: T1 T2 T3
132 end else begin : gen_nopass
133 assign rdata_int = storage_rdata;
134 assign empty = fifo_empty;
135 end
136
137 if (OutputZeroIfEmpty == 1'b1) begin : gen_output_zero
138 1/1 assign rdata_o = empty ? Width'(0) : rdata_int;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.i2c_core.u_fifos.u_rx_fifo_sram_adapter.u_inp_buf
| Total | Covered | Percent |
Conditions | 24 | 16 | 66.67 |
Logical | 24 | 16 | 66.67 |
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 | Not Covered | |
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 | T2,T7,T8 |
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 | T2,T7,T8 |
LINE 101
EXPRESSION (rvalid_o & rready_i & ((~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 | T2,T7,T8 |
LINE 130
EXPRESSION ((gen_normal_fifo.fifo_empty && wvalid_i) ? wdata_i : gen_normal_fifo.storage_rdata)
--------------------1-------------------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T2,T7,T8 |
LINE 130
SUB-EXPRESSION (gen_normal_fifo.fifo_empty && wvalid_i)
-------------1------------ ----2---
-1- | -2- | Status | Tests |
0 | 1 | Not Covered | |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T2,T7,T8 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Not Covered | |
1 | 0 | Covered | T2,T7,T8 |
1 | 1 | Covered | T1,T2,T3 |
LINE 138
EXPRESSION (gen_normal_fifo.empty ? (13'(0)) : gen_normal_fifo.rdata_int)
----------1----------
-1- | Status | Tests |
0 | Covered | T2,T7,T8 |
1 | Covered | T1,T2,T3 |
Branch Coverage for Instance : tb.dut.i2c_core.u_fifos.u_rx_fifo_sram_adapter.u_inp_buf
| Line No. | Total | Covered | Percent |
Branches |
|
9 |
9 |
100.00 |
TERNARY |
130 |
2 |
2 |
100.00 |
TERNARY |
138 |
2 |
2 |
100.00 |
IF |
69 |
3 |
3 |
100.00 |
IF |
123 |
2 |
2 |
100.00 |
130 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T2,T7,T8 |
0 |
Covered |
T1,T2,T3 |
138 assign rdata_o = empty ? Width'(0) : rdata_int;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T2,T7,T8 |
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 |
T2,T7,T8 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.i2c_core.u_fifos.u_rx_fifo_sram_adapter.u_inp_buf
Assertion Details
DataKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
189000 |
0 |
0 |
T2 |
141243 |
684 |
0 |
0 |
T3 |
15679 |
0 |
0 |
0 |
T4 |
24413 |
0 |
0 |
0 |
T5 |
14990 |
0 |
0 |
0 |
T6 |
11679 |
0 |
0 |
0 |
T7 |
97119 |
27 |
0 |
0 |
T8 |
12797 |
6 |
0 |
0 |
T9 |
77103 |
213 |
0 |
0 |
T10 |
73415 |
0 |
0 |
0 |
T11 |
0 |
141 |
0 |
0 |
T12 |
0 |
33 |
0 |
0 |
T14 |
0 |
297 |
0 |
0 |
T27 |
0 |
170 |
0 |
0 |
T30 |
0 |
640 |
0 |
0 |
T31 |
0 |
768 |
0 |
0 |
T42 |
217826 |
0 |
0 |
0 |
DataKnown_AKnownEnable
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
389774674 |
0 |
0 |
T1 |
2144 |
2055 |
0 |
0 |
T2 |
141243 |
141187 |
0 |
0 |
T3 |
15679 |
15628 |
0 |
0 |
T4 |
24413 |
24336 |
0 |
0 |
T5 |
14990 |
14892 |
0 |
0 |
T6 |
11679 |
11592 |
0 |
0 |
T7 |
97119 |
97029 |
0 |
0 |
T8 |
12797 |
12402 |
0 |
0 |
T9 |
77103 |
77043 |
0 |
0 |
T10 |
73415 |
73333 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
389774674 |
0 |
0 |
T1 |
2144 |
2055 |
0 |
0 |
T2 |
141243 |
141187 |
0 |
0 |
T3 |
15679 |
15628 |
0 |
0 |
T4 |
24413 |
24336 |
0 |
0 |
T5 |
14990 |
14892 |
0 |
0 |
T6 |
11679 |
11592 |
0 |
0 |
T7 |
97119 |
97029 |
0 |
0 |
T8 |
12797 |
12402 |
0 |
0 |
T9 |
77103 |
77043 |
0 |
0 |
T10 |
73415 |
73333 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
389774674 |
0 |
0 |
T1 |
2144 |
2055 |
0 |
0 |
T2 |
141243 |
141187 |
0 |
0 |
T3 |
15679 |
15628 |
0 |
0 |
T4 |
24413 |
24336 |
0 |
0 |
T5 |
14990 |
14892 |
0 |
0 |
T6 |
11679 |
11592 |
0 |
0 |
T7 |
97119 |
97029 |
0 |
0 |
T8 |
12797 |
12402 |
0 |
0 |
T9 |
77103 |
77043 |
0 |
0 |
T10 |
73415 |
73333 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
389774674 |
0 |
0 |
T1 |
2144 |
2055 |
0 |
0 |
T2 |
141243 |
141187 |
0 |
0 |
T3 |
15679 |
15628 |
0 |
0 |
T4 |
24413 |
24336 |
0 |
0 |
T5 |
14990 |
14892 |
0 |
0 |
T6 |
11679 |
11592 |
0 |
0 |
T7 |
97119 |
97029 |
0 |
0 |
T8 |
12797 |
12402 |
0 |
0 |
T9 |
77103 |
77043 |
0 |
0 |
T10 |
73415 |
73333 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
189000 |
0 |
0 |
T2 |
141243 |
684 |
0 |
0 |
T3 |
15679 |
0 |
0 |
0 |
T4 |
24413 |
0 |
0 |
0 |
T5 |
14990 |
0 |
0 |
0 |
T6 |
11679 |
0 |
0 |
0 |
T7 |
97119 |
27 |
0 |
0 |
T8 |
12797 |
6 |
0 |
0 |
T9 |
77103 |
213 |
0 |
0 |
T10 |
73415 |
0 |
0 |
0 |
T11 |
0 |
141 |
0 |
0 |
T12 |
0 |
33 |
0 |
0 |
T14 |
0 |
297 |
0 |
0 |
T27 |
0 |
170 |
0 |
0 |
T30 |
0 |
640 |
0 |
0 |
T31 |
0 |
768 |
0 |
0 |
T42 |
217826 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.i2c_core.u_fifos.u_fmt_fifo_sram_adapter.u_inp_buf
| 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 | 130 | 1 | 1 | 100.00 |
CONT_ASSIGN | 131 | 1 | 1 | 100.00 |
CONT_ASSIGN | 138 | 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: T2 T3 T4
125 end
MISSING_ELSE
126 end
127
128 logic [Width-1:0] rdata_int;
129 if (Pass == 1'b1) begin : gen_pass
130 1/1 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
Tests: T1 T2 T3
131 1/1 assign empty = fifo_empty & ~wvalid_i;
Tests: T1 T2 T3
132 end else begin : gen_nopass
133 assign rdata_int = storage_rdata;
134 assign empty = fifo_empty;
135 end
136
137 if (OutputZeroIfEmpty == 1'b1) begin : gen_output_zero
138 1/1 assign rdata_o = empty ? Width'(0) : rdata_int;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.i2c_core.u_fifos.u_fmt_fifo_sram_adapter.u_inp_buf
| Total | Covered | Percent |
Conditions | 24 | 18 | 75.00 |
Logical | 24 | 18 | 75.00 |
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 | Not Covered | |
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 | T2,T3,T4 |
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 | T2,T3,T4 |
LINE 101
EXPRESSION (rvalid_o & rready_i & ((~gen_normal_fifo.under_rst)))
----1--- ----2--- ---------------3--------------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | Covered | T4,T5,T30 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T2,T3,T4 |
LINE 130
EXPRESSION ((gen_normal_fifo.fifo_empty && wvalid_i) ? wdata_i : gen_normal_fifo.storage_rdata)
--------------------1-------------------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T2,T3,T4 |
LINE 130
SUB-EXPRESSION (gen_normal_fifo.fifo_empty && wvalid_i)
-------------1------------ ----2---
-1- | -2- | Status | Tests |
0 | 1 | Not Covered | |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T2,T3,T4 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T4,T5,T30 |
1 | 0 | Covered | T2,T3,T4 |
1 | 1 | Covered | T1,T2,T3 |
LINE 138
EXPRESSION (gen_normal_fifo.empty ? (13'(0)) : gen_normal_fifo.rdata_int)
----------1----------
-1- | Status | Tests |
0 | Covered | T2,T3,T4 |
1 | Covered | T1,T2,T3 |
Branch Coverage for Instance : tb.dut.i2c_core.u_fifos.u_fmt_fifo_sram_adapter.u_inp_buf
| Line No. | Total | Covered | Percent |
Branches |
|
9 |
9 |
100.00 |
TERNARY |
130 |
2 |
2 |
100.00 |
TERNARY |
138 |
2 |
2 |
100.00 |
IF |
69 |
3 |
3 |
100.00 |
IF |
123 |
2 |
2 |
100.00 |
130 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T2,T3,T4 |
0 |
Covered |
T1,T2,T3 |
138 assign rdata_o = empty ? Width'(0) : rdata_int;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T2,T3,T4 |
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 |
T2,T3,T4 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.i2c_core.u_fifos.u_fmt_fifo_sram_adapter.u_inp_buf
Assertion Details
DataKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
205586 |
0 |
0 |
T2 |
141243 |
107 |
0 |
0 |
T3 |
15679 |
95 |
0 |
0 |
T4 |
24413 |
103 |
0 |
0 |
T5 |
14990 |
92 |
0 |
0 |
T6 |
11679 |
2 |
0 |
0 |
T7 |
97119 |
42 |
0 |
0 |
T8 |
12797 |
34 |
0 |
0 |
T9 |
77103 |
167 |
0 |
0 |
T10 |
73415 |
0 |
0 |
0 |
T30 |
0 |
675 |
0 |
0 |
T41 |
0 |
236 |
0 |
0 |
T42 |
217826 |
0 |
0 |
0 |
DataKnown_AKnownEnable
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
389774674 |
0 |
0 |
T1 |
2144 |
2055 |
0 |
0 |
T2 |
141243 |
141187 |
0 |
0 |
T3 |
15679 |
15628 |
0 |
0 |
T4 |
24413 |
24336 |
0 |
0 |
T5 |
14990 |
14892 |
0 |
0 |
T6 |
11679 |
11592 |
0 |
0 |
T7 |
97119 |
97029 |
0 |
0 |
T8 |
12797 |
12402 |
0 |
0 |
T9 |
77103 |
77043 |
0 |
0 |
T10 |
73415 |
73333 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
389774674 |
0 |
0 |
T1 |
2144 |
2055 |
0 |
0 |
T2 |
141243 |
141187 |
0 |
0 |
T3 |
15679 |
15628 |
0 |
0 |
T4 |
24413 |
24336 |
0 |
0 |
T5 |
14990 |
14892 |
0 |
0 |
T6 |
11679 |
11592 |
0 |
0 |
T7 |
97119 |
97029 |
0 |
0 |
T8 |
12797 |
12402 |
0 |
0 |
T9 |
77103 |
77043 |
0 |
0 |
T10 |
73415 |
73333 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
389774674 |
0 |
0 |
T1 |
2144 |
2055 |
0 |
0 |
T2 |
141243 |
141187 |
0 |
0 |
T3 |
15679 |
15628 |
0 |
0 |
T4 |
24413 |
24336 |
0 |
0 |
T5 |
14990 |
14892 |
0 |
0 |
T6 |
11679 |
11592 |
0 |
0 |
T7 |
97119 |
97029 |
0 |
0 |
T8 |
12797 |
12402 |
0 |
0 |
T9 |
77103 |
77043 |
0 |
0 |
T10 |
73415 |
73333 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
389774674 |
0 |
0 |
T1 |
2144 |
2055 |
0 |
0 |
T2 |
141243 |
141187 |
0 |
0 |
T3 |
15679 |
15628 |
0 |
0 |
T4 |
24413 |
24336 |
0 |
0 |
T5 |
14990 |
14892 |
0 |
0 |
T6 |
11679 |
11592 |
0 |
0 |
T7 |
97119 |
97029 |
0 |
0 |
T8 |
12797 |
12402 |
0 |
0 |
T9 |
77103 |
77043 |
0 |
0 |
T10 |
73415 |
73333 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
205586 |
0 |
0 |
T2 |
141243 |
107 |
0 |
0 |
T3 |
15679 |
95 |
0 |
0 |
T4 |
24413 |
103 |
0 |
0 |
T5 |
14990 |
92 |
0 |
0 |
T6 |
11679 |
2 |
0 |
0 |
T7 |
97119 |
42 |
0 |
0 |
T8 |
12797 |
34 |
0 |
0 |
T9 |
77103 |
167 |
0 |
0 |
T10 |
73415 |
0 |
0 |
0 |
T30 |
0 |
675 |
0 |
0 |
T41 |
0 |
236 |
0 |
0 |
T42 |
217826 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.i2c_core.u_fifos.u_tx_fifo_sram_adapter.u_inp_buf
| 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 | 130 | 1 | 1 | 100.00 |
CONT_ASSIGN | 131 | 1 | 1 | 100.00 |
CONT_ASSIGN | 138 | 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: T10 T42 T43
125 end
MISSING_ELSE
126 end
127
128 logic [Width-1:0] rdata_int;
129 if (Pass == 1'b1) begin : gen_pass
130 1/1 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
Tests: T1 T2 T3
131 1/1 assign empty = fifo_empty & ~wvalid_i;
Tests: T1 T2 T3
132 end else begin : gen_nopass
133 assign rdata_int = storage_rdata;
134 assign empty = fifo_empty;
135 end
136
137 if (OutputZeroIfEmpty == 1'b1) begin : gen_output_zero
138 1/1 assign rdata_o = empty ? Width'(0) : rdata_int;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.i2c_core.u_fifos.u_tx_fifo_sram_adapter.u_inp_buf
| Total | Covered | Percent |
Conditions | 24 | 18 | 75.00 |
Logical | 24 | 18 | 75.00 |
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 | Not Covered | |
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 | T10,T42,T43 |
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 | T10,T42,T43 |
LINE 101
EXPRESSION (rvalid_o & rready_i & ((~gen_normal_fifo.under_rst)))
----1--- ----2--- ---------------3--------------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | Covered | T10,T46,T75 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T10,T42,T43 |
LINE 130
EXPRESSION ((gen_normal_fifo.fifo_empty && wvalid_i) ? wdata_i : gen_normal_fifo.storage_rdata)
--------------------1-------------------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T10,T42,T43 |
LINE 130
SUB-EXPRESSION (gen_normal_fifo.fifo_empty && wvalid_i)
-------------1------------ ----2---
-1- | -2- | Status | Tests |
0 | 1 | Not Covered | |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T10,T42,T43 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T10,T46,T75 |
1 | 0 | Covered | T10,T42,T43 |
1 | 1 | Covered | T1,T2,T3 |
LINE 138
EXPRESSION (gen_normal_fifo.empty ? (13'(0)) : gen_normal_fifo.rdata_int)
----------1----------
-1- | Status | Tests |
0 | Covered | T10,T42,T43 |
1 | Covered | T1,T2,T3 |
Branch Coverage for Instance : tb.dut.i2c_core.u_fifos.u_tx_fifo_sram_adapter.u_inp_buf
| Line No. | Total | Covered | Percent |
Branches |
|
9 |
9 |
100.00 |
TERNARY |
130 |
2 |
2 |
100.00 |
TERNARY |
138 |
2 |
2 |
100.00 |
IF |
69 |
3 |
3 |
100.00 |
IF |
123 |
2 |
2 |
100.00 |
130 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T10,T42,T43 |
0 |
Covered |
T1,T2,T3 |
138 assign rdata_o = empty ? Width'(0) : rdata_int;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T10,T42,T43 |
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 |
T10,T42,T43 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.i2c_core.u_fifos.u_tx_fifo_sram_adapter.u_inp_buf
Assertion Details
DataKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
162255 |
0 |
0 |
T10 |
73415 |
287 |
0 |
0 |
T30 |
271436 |
0 |
0 |
0 |
T42 |
217826 |
18 |
0 |
0 |
T43 |
26217 |
121 |
0 |
0 |
T44 |
108521 |
243 |
0 |
0 |
T45 |
15359 |
47 |
0 |
0 |
T46 |
39424 |
134 |
0 |
0 |
T68 |
15737 |
13 |
0 |
0 |
T71 |
39806 |
142 |
0 |
0 |
T72 |
106333 |
285 |
0 |
0 |
T73 |
0 |
51 |
0 |
0 |
DataKnown_AKnownEnable
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
389774674 |
0 |
0 |
T1 |
2144 |
2055 |
0 |
0 |
T2 |
141243 |
141187 |
0 |
0 |
T3 |
15679 |
15628 |
0 |
0 |
T4 |
24413 |
24336 |
0 |
0 |
T5 |
14990 |
14892 |
0 |
0 |
T6 |
11679 |
11592 |
0 |
0 |
T7 |
97119 |
97029 |
0 |
0 |
T8 |
12797 |
12402 |
0 |
0 |
T9 |
77103 |
77043 |
0 |
0 |
T10 |
73415 |
73333 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
389774674 |
0 |
0 |
T1 |
2144 |
2055 |
0 |
0 |
T2 |
141243 |
141187 |
0 |
0 |
T3 |
15679 |
15628 |
0 |
0 |
T4 |
24413 |
24336 |
0 |
0 |
T5 |
14990 |
14892 |
0 |
0 |
T6 |
11679 |
11592 |
0 |
0 |
T7 |
97119 |
97029 |
0 |
0 |
T8 |
12797 |
12402 |
0 |
0 |
T9 |
77103 |
77043 |
0 |
0 |
T10 |
73415 |
73333 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
389774674 |
0 |
0 |
T1 |
2144 |
2055 |
0 |
0 |
T2 |
141243 |
141187 |
0 |
0 |
T3 |
15679 |
15628 |
0 |
0 |
T4 |
24413 |
24336 |
0 |
0 |
T5 |
14990 |
14892 |
0 |
0 |
T6 |
11679 |
11592 |
0 |
0 |
T7 |
97119 |
97029 |
0 |
0 |
T8 |
12797 |
12402 |
0 |
0 |
T9 |
77103 |
77043 |
0 |
0 |
T10 |
73415 |
73333 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
389774674 |
0 |
0 |
T1 |
2144 |
2055 |
0 |
0 |
T2 |
141243 |
141187 |
0 |
0 |
T3 |
15679 |
15628 |
0 |
0 |
T4 |
24413 |
24336 |
0 |
0 |
T5 |
14990 |
14892 |
0 |
0 |
T6 |
11679 |
11592 |
0 |
0 |
T7 |
97119 |
97029 |
0 |
0 |
T8 |
12797 |
12402 |
0 |
0 |
T9 |
77103 |
77043 |
0 |
0 |
T10 |
73415 |
73333 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
162255 |
0 |
0 |
T10 |
73415 |
287 |
0 |
0 |
T30 |
271436 |
0 |
0 |
0 |
T42 |
217826 |
18 |
0 |
0 |
T43 |
26217 |
121 |
0 |
0 |
T44 |
108521 |
243 |
0 |
0 |
T45 |
15359 |
47 |
0 |
0 |
T46 |
39424 |
134 |
0 |
0 |
T68 |
15737 |
13 |
0 |
0 |
T71 |
39806 |
142 |
0 |
0 |
T72 |
106333 |
285 |
0 |
0 |
T73 |
0 |
51 |
0 |
0 |
Line Coverage for Instance : tb.dut.i2c_core.u_fifos.u_acq_fifo_sram_adapter.u_inp_buf
| 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 | 130 | 1 | 1 | 100.00 |
CONT_ASSIGN | 131 | 1 | 1 | 100.00 |
CONT_ASSIGN | 138 | 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: T10 T42 T43
125 end
MISSING_ELSE
126 end
127
128 logic [Width-1:0] rdata_int;
129 if (Pass == 1'b1) begin : gen_pass
130 1/1 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
Tests: T1 T2 T3
131 1/1 assign empty = fifo_empty & ~wvalid_i;
Tests: T1 T2 T3
132 end else begin : gen_nopass
133 assign rdata_int = storage_rdata;
134 assign empty = fifo_empty;
135 end
136
137 if (OutputZeroIfEmpty == 1'b1) begin : gen_output_zero
138 1/1 assign rdata_o = empty ? Width'(0) : rdata_int;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.i2c_core.u_fifos.u_acq_fifo_sram_adapter.u_inp_buf
| Total | Covered | Percent |
Conditions | 24 | 18 | 75.00 |
Logical | 24 | 18 | 75.00 |
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 | Not Covered | |
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 | T10,T42,T43 |
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 | T10,T42,T43 |
LINE 101
EXPRESSION (rvalid_o & rready_i & ((~gen_normal_fifo.under_rst)))
----1--- ----2--- ---------------3--------------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | Covered | T75,T179,T180 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T10,T42,T43 |
LINE 130
EXPRESSION ((gen_normal_fifo.fifo_empty && wvalid_i) ? wdata_i : gen_normal_fifo.storage_rdata)
--------------------1-------------------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T10,T42,T43 |
LINE 130
SUB-EXPRESSION (gen_normal_fifo.fifo_empty && wvalid_i)
-------------1------------ ----2---
-1- | -2- | Status | Tests |
0 | 1 | Not Covered | |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T10,T42,T43 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T75,T179,T180 |
1 | 0 | Covered | T10,T42,T43 |
1 | 1 | Covered | T1,T2,T3 |
LINE 138
EXPRESSION (gen_normal_fifo.empty ? (13'(0)) : gen_normal_fifo.rdata_int)
----------1----------
-1- | Status | Tests |
0 | Covered | T10,T42,T43 |
1 | Covered | T1,T2,T3 |
Branch Coverage for Instance : tb.dut.i2c_core.u_fifos.u_acq_fifo_sram_adapter.u_inp_buf
| Line No. | Total | Covered | Percent |
Branches |
|
9 |
9 |
100.00 |
TERNARY |
130 |
2 |
2 |
100.00 |
TERNARY |
138 |
2 |
2 |
100.00 |
IF |
69 |
3 |
3 |
100.00 |
IF |
123 |
2 |
2 |
100.00 |
130 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T10,T42,T43 |
0 |
Covered |
T1,T2,T3 |
138 assign rdata_o = empty ? Width'(0) : rdata_int;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T10,T42,T43 |
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 |
T10,T42,T43 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.i2c_core.u_fifos.u_acq_fifo_sram_adapter.u_inp_buf
Assertion Details
DataKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
315220 |
0 |
0 |
T10 |
73415 |
159 |
0 |
0 |
T30 |
271436 |
0 |
0 |
0 |
T42 |
217826 |
1220 |
0 |
0 |
T43 |
26217 |
11 |
0 |
0 |
T44 |
108521 |
333 |
0 |
0 |
T45 |
15359 |
19 |
0 |
0 |
T46 |
39424 |
173 |
0 |
0 |
T68 |
15737 |
4 |
0 |
0 |
T71 |
39806 |
170 |
0 |
0 |
T72 |
106333 |
414 |
0 |
0 |
T73 |
0 |
79 |
0 |
0 |
DataKnown_AKnownEnable
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
389774674 |
0 |
0 |
T1 |
2144 |
2055 |
0 |
0 |
T2 |
141243 |
141187 |
0 |
0 |
T3 |
15679 |
15628 |
0 |
0 |
T4 |
24413 |
24336 |
0 |
0 |
T5 |
14990 |
14892 |
0 |
0 |
T6 |
11679 |
11592 |
0 |
0 |
T7 |
97119 |
97029 |
0 |
0 |
T8 |
12797 |
12402 |
0 |
0 |
T9 |
77103 |
77043 |
0 |
0 |
T10 |
73415 |
73333 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
389774674 |
0 |
0 |
T1 |
2144 |
2055 |
0 |
0 |
T2 |
141243 |
141187 |
0 |
0 |
T3 |
15679 |
15628 |
0 |
0 |
T4 |
24413 |
24336 |
0 |
0 |
T5 |
14990 |
14892 |
0 |
0 |
T6 |
11679 |
11592 |
0 |
0 |
T7 |
97119 |
97029 |
0 |
0 |
T8 |
12797 |
12402 |
0 |
0 |
T9 |
77103 |
77043 |
0 |
0 |
T10 |
73415 |
73333 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
389774674 |
0 |
0 |
T1 |
2144 |
2055 |
0 |
0 |
T2 |
141243 |
141187 |
0 |
0 |
T3 |
15679 |
15628 |
0 |
0 |
T4 |
24413 |
24336 |
0 |
0 |
T5 |
14990 |
14892 |
0 |
0 |
T6 |
11679 |
11592 |
0 |
0 |
T7 |
97119 |
97029 |
0 |
0 |
T8 |
12797 |
12402 |
0 |
0 |
T9 |
77103 |
77043 |
0 |
0 |
T10 |
73415 |
73333 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
389774674 |
0 |
0 |
T1 |
2144 |
2055 |
0 |
0 |
T2 |
141243 |
141187 |
0 |
0 |
T3 |
15679 |
15628 |
0 |
0 |
T4 |
24413 |
24336 |
0 |
0 |
T5 |
14990 |
14892 |
0 |
0 |
T6 |
11679 |
11592 |
0 |
0 |
T7 |
97119 |
97029 |
0 |
0 |
T8 |
12797 |
12402 |
0 |
0 |
T9 |
77103 |
77043 |
0 |
0 |
T10 |
73415 |
73333 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
315220 |
0 |
0 |
T10 |
73415 |
159 |
0 |
0 |
T30 |
271436 |
0 |
0 |
0 |
T42 |
217826 |
1220 |
0 |
0 |
T43 |
26217 |
11 |
0 |
0 |
T44 |
108521 |
333 |
0 |
0 |
T45 |
15359 |
19 |
0 |
0 |
T46 |
39424 |
173 |
0 |
0 |
T68 |
15737 |
4 |
0 |
0 |
T71 |
39806 |
170 |
0 |
0 |
T72 |
106333 |
414 |
0 |
0 |
T73 |
0 |
79 |
0 |
0 |
Line Coverage for Instance : tb.dut.i2c_core.u_fifos.u_fmt_fifo_sram_adapter.u_oup_buf
| 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 | 130 | 1 | 1 | 100.00 |
CONT_ASSIGN | 131 | 1 | 1 | 100.00 |
CONT_ASSIGN | 138 | 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: T2 T3 T4
125 end
MISSING_ELSE
126 end
127
128 logic [Width-1:0] rdata_int;
129 if (Pass == 1'b1) begin : gen_pass
130 1/1 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
Tests: T1 T2 T3
131 1/1 assign empty = fifo_empty & ~wvalid_i;
Tests: T1 T2 T3
132 end else begin : gen_nopass
133 assign rdata_int = storage_rdata;
134 assign empty = fifo_empty;
135 end
136
137 if (OutputZeroIfEmpty == 1'b1) begin : gen_output_zero
138 1/1 assign rdata_o = empty ? Width'(0) : rdata_int;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.i2c_core.u_fifos.u_fmt_fifo_sram_adapter.u_oup_buf
| Total | Covered | Percent |
Conditions | 24 | 19 | 79.17 |
Logical | 24 | 19 | 79.17 |
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 | T2,T3,T4 |
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 | T2,T3,T4 |
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 | T2,T3,T4 |
LINE 101
EXPRESSION (rvalid_o & rready_i & ((~gen_normal_fifo.under_rst)))
----1--- ----2--- ---------------3--------------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Not Covered | |
1 | 0 | 1 | Covered | T2,T3,T4 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T2,T4,T5 |
LINE 130
EXPRESSION ((gen_normal_fifo.fifo_empty && wvalid_i) ? wdata_i : gen_normal_fifo.storage_rdata)
--------------------1-------------------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T2,T3,T4 |
LINE 130
SUB-EXPRESSION (gen_normal_fifo.fifo_empty && wvalid_i)
-------------1------------ ----2---
-1- | -2- | Status | Tests |
0 | 1 | Covered | T2,T3,T4 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T2,T3,T4 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T2,T3,T4 |
1 | 0 | Covered | T2,T3,T4 |
1 | 1 | Covered | T1,T2,T3 |
LINE 138
EXPRESSION (gen_normal_fifo.empty ? (13'(0)) : gen_normal_fifo.rdata_int)
----------1----------
-1- | Status | Tests |
0 | Covered | T2,T3,T4 |
1 | Covered | T1,T2,T3 |
Branch Coverage for Instance : tb.dut.i2c_core.u_fifos.u_fmt_fifo_sram_adapter.u_oup_buf
| Line No. | Total | Covered | Percent |
Branches |
|
9 |
9 |
100.00 |
TERNARY |
130 |
2 |
2 |
100.00 |
TERNARY |
138 |
2 |
2 |
100.00 |
IF |
69 |
3 |
3 |
100.00 |
IF |
123 |
2 |
2 |
100.00 |
130 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T2,T3,T4 |
0 |
Covered |
T1,T2,T3 |
138 assign rdata_o = empty ? Width'(0) : rdata_int;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T2,T3,T4 |
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 |
T2,T3,T4 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.i2c_core.u_fifos.u_fmt_fifo_sram_adapter.u_oup_buf
Assertion Details
DataKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
132441499 |
0 |
0 |
T2 |
141243 |
133422 |
0 |
0 |
T3 |
15679 |
14400 |
0 |
0 |
T4 |
24413 |
20062 |
0 |
0 |
T5 |
14990 |
14170 |
0 |
0 |
T6 |
11679 |
9798 |
0 |
0 |
T7 |
97119 |
95301 |
0 |
0 |
T8 |
12797 |
4741 |
0 |
0 |
T9 |
77103 |
67741 |
0 |
0 |
T10 |
73415 |
0 |
0 |
0 |
T30 |
0 |
254330 |
0 |
0 |
T41 |
0 |
45687 |
0 |
0 |
T42 |
217826 |
0 |
0 |
0 |
DataKnown_AKnownEnable
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
389774674 |
0 |
0 |
T1 |
2144 |
2055 |
0 |
0 |
T2 |
141243 |
141187 |
0 |
0 |
T3 |
15679 |
15628 |
0 |
0 |
T4 |
24413 |
24336 |
0 |
0 |
T5 |
14990 |
14892 |
0 |
0 |
T6 |
11679 |
11592 |
0 |
0 |
T7 |
97119 |
97029 |
0 |
0 |
T8 |
12797 |
12402 |
0 |
0 |
T9 |
77103 |
77043 |
0 |
0 |
T10 |
73415 |
73333 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
389774674 |
0 |
0 |
T1 |
2144 |
2055 |
0 |
0 |
T2 |
141243 |
141187 |
0 |
0 |
T3 |
15679 |
15628 |
0 |
0 |
T4 |
24413 |
24336 |
0 |
0 |
T5 |
14990 |
14892 |
0 |
0 |
T6 |
11679 |
11592 |
0 |
0 |
T7 |
97119 |
97029 |
0 |
0 |
T8 |
12797 |
12402 |
0 |
0 |
T9 |
77103 |
77043 |
0 |
0 |
T10 |
73415 |
73333 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
389774674 |
0 |
0 |
T1 |
2144 |
2055 |
0 |
0 |
T2 |
141243 |
141187 |
0 |
0 |
T3 |
15679 |
15628 |
0 |
0 |
T4 |
24413 |
24336 |
0 |
0 |
T5 |
14990 |
14892 |
0 |
0 |
T6 |
11679 |
11592 |
0 |
0 |
T7 |
97119 |
97029 |
0 |
0 |
T8 |
12797 |
12402 |
0 |
0 |
T9 |
77103 |
77043 |
0 |
0 |
T10 |
73415 |
73333 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
389774674 |
0 |
0 |
T1 |
2144 |
2055 |
0 |
0 |
T2 |
141243 |
141187 |
0 |
0 |
T3 |
15679 |
15628 |
0 |
0 |
T4 |
24413 |
24336 |
0 |
0 |
T5 |
14990 |
14892 |
0 |
0 |
T6 |
11679 |
11592 |
0 |
0 |
T7 |
97119 |
97029 |
0 |
0 |
T8 |
12797 |
12402 |
0 |
0 |
T9 |
77103 |
77043 |
0 |
0 |
T10 |
73415 |
73333 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
132441499 |
0 |
0 |
T2 |
141243 |
133422 |
0 |
0 |
T3 |
15679 |
14400 |
0 |
0 |
T4 |
24413 |
20062 |
0 |
0 |
T5 |
14990 |
14170 |
0 |
0 |
T6 |
11679 |
9798 |
0 |
0 |
T7 |
97119 |
95301 |
0 |
0 |
T8 |
12797 |
4741 |
0 |
0 |
T9 |
77103 |
67741 |
0 |
0 |
T10 |
73415 |
0 |
0 |
0 |
T30 |
0 |
254330 |
0 |
0 |
T41 |
0 |
45687 |
0 |
0 |
T42 |
217826 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.i2c_core.u_fifos.u_rx_fifo_sram_adapter.u_oup_buf
| 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 | 130 | 1 | 1 | 100.00 |
CONT_ASSIGN | 131 | 1 | 1 | 100.00 |
CONT_ASSIGN | 138 | 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: T2 T7 T8
125 end
MISSING_ELSE
126 end
127
128 logic [Width-1:0] rdata_int;
129 if (Pass == 1'b1) begin : gen_pass
130 1/1 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
Tests: T1 T2 T3
131 1/1 assign empty = fifo_empty & ~wvalid_i;
Tests: T1 T2 T3
132 end else begin : gen_nopass
133 assign rdata_int = storage_rdata;
134 assign empty = fifo_empty;
135 end
136
137 if (OutputZeroIfEmpty == 1'b1) begin : gen_output_zero
138 1/1 assign rdata_o = empty ? Width'(0) : rdata_int;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.i2c_core.u_fifos.u_rx_fifo_sram_adapter.u_oup_buf
| Total | Covered | Percent |
Conditions | 24 | 19 | 79.17 |
Logical | 24 | 19 | 79.17 |
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 | T30,T31,T33 |
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 | T2,T7,T8 |
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 | T2,T7,T8 |
LINE 101
EXPRESSION (rvalid_o & rready_i & ((~gen_normal_fifo.under_rst)))
----1--- ----2--- ---------------3--------------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Not Covered | |
1 | 0 | 1 | Covered | T2,T7,T8 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T2,T7,T8 |
LINE 130
EXPRESSION ((gen_normal_fifo.fifo_empty && wvalid_i) ? wdata_i : gen_normal_fifo.storage_rdata)
--------------------1-------------------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T2,T7,T8 |
LINE 130
SUB-EXPRESSION (gen_normal_fifo.fifo_empty && wvalid_i)
-------------1------------ ----2---
-1- | -2- | Status | Tests |
0 | 1 | Covered | T30,T31,T33 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T2,T7,T8 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T2,T7,T8 |
1 | 0 | Covered | T2,T7,T8 |
1 | 1 | Covered | T1,T2,T3 |
LINE 138
EXPRESSION (gen_normal_fifo.empty ? (13'(0)) : gen_normal_fifo.rdata_int)
----------1----------
-1- | Status | Tests |
0 | Covered | T2,T7,T8 |
1 | Covered | T1,T2,T3 |
Branch Coverage for Instance : tb.dut.i2c_core.u_fifos.u_rx_fifo_sram_adapter.u_oup_buf
| Line No. | Total | Covered | Percent |
Branches |
|
9 |
9 |
100.00 |
TERNARY |
130 |
2 |
2 |
100.00 |
TERNARY |
138 |
2 |
2 |
100.00 |
IF |
69 |
3 |
3 |
100.00 |
IF |
123 |
2 |
2 |
100.00 |
130 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T2,T7,T8 |
0 |
Covered |
T1,T2,T3 |
138 assign rdata_o = empty ? Width'(0) : rdata_int;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T2,T7,T8 |
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 |
T2,T7,T8 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.i2c_core.u_fifos.u_rx_fifo_sram_adapter.u_oup_buf
Assertion Details
DataKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
24937553 |
0 |
0 |
T2 |
141243 |
18956 |
0 |
0 |
T3 |
15679 |
0 |
0 |
0 |
T4 |
24413 |
0 |
0 |
0 |
T5 |
14990 |
0 |
0 |
0 |
T6 |
11679 |
0 |
0 |
0 |
T7 |
97119 |
736 |
0 |
0 |
T8 |
12797 |
141 |
0 |
0 |
T9 |
77103 |
6915 |
0 |
0 |
T10 |
73415 |
0 |
0 |
0 |
T11 |
0 |
3088 |
0 |
0 |
T12 |
0 |
208 |
0 |
0 |
T14 |
0 |
9053 |
0 |
0 |
T27 |
0 |
1881 |
0 |
0 |
T30 |
0 |
134413 |
0 |
0 |
T31 |
0 |
163547 |
0 |
0 |
T42 |
217826 |
0 |
0 |
0 |
DataKnown_AKnownEnable
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
389774674 |
0 |
0 |
T1 |
2144 |
2055 |
0 |
0 |
T2 |
141243 |
141187 |
0 |
0 |
T3 |
15679 |
15628 |
0 |
0 |
T4 |
24413 |
24336 |
0 |
0 |
T5 |
14990 |
14892 |
0 |
0 |
T6 |
11679 |
11592 |
0 |
0 |
T7 |
97119 |
97029 |
0 |
0 |
T8 |
12797 |
12402 |
0 |
0 |
T9 |
77103 |
77043 |
0 |
0 |
T10 |
73415 |
73333 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
389774674 |
0 |
0 |
T1 |
2144 |
2055 |
0 |
0 |
T2 |
141243 |
141187 |
0 |
0 |
T3 |
15679 |
15628 |
0 |
0 |
T4 |
24413 |
24336 |
0 |
0 |
T5 |
14990 |
14892 |
0 |
0 |
T6 |
11679 |
11592 |
0 |
0 |
T7 |
97119 |
97029 |
0 |
0 |
T8 |
12797 |
12402 |
0 |
0 |
T9 |
77103 |
77043 |
0 |
0 |
T10 |
73415 |
73333 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
389774674 |
0 |
0 |
T1 |
2144 |
2055 |
0 |
0 |
T2 |
141243 |
141187 |
0 |
0 |
T3 |
15679 |
15628 |
0 |
0 |
T4 |
24413 |
24336 |
0 |
0 |
T5 |
14990 |
14892 |
0 |
0 |
T6 |
11679 |
11592 |
0 |
0 |
T7 |
97119 |
97029 |
0 |
0 |
T8 |
12797 |
12402 |
0 |
0 |
T9 |
77103 |
77043 |
0 |
0 |
T10 |
73415 |
73333 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
389774674 |
0 |
0 |
T1 |
2144 |
2055 |
0 |
0 |
T2 |
141243 |
141187 |
0 |
0 |
T3 |
15679 |
15628 |
0 |
0 |
T4 |
24413 |
24336 |
0 |
0 |
T5 |
14990 |
14892 |
0 |
0 |
T6 |
11679 |
11592 |
0 |
0 |
T7 |
97119 |
97029 |
0 |
0 |
T8 |
12797 |
12402 |
0 |
0 |
T9 |
77103 |
77043 |
0 |
0 |
T10 |
73415 |
73333 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
24937553 |
0 |
0 |
T2 |
141243 |
18956 |
0 |
0 |
T3 |
15679 |
0 |
0 |
0 |
T4 |
24413 |
0 |
0 |
0 |
T5 |
14990 |
0 |
0 |
0 |
T6 |
11679 |
0 |
0 |
0 |
T7 |
97119 |
736 |
0 |
0 |
T8 |
12797 |
141 |
0 |
0 |
T9 |
77103 |
6915 |
0 |
0 |
T10 |
73415 |
0 |
0 |
0 |
T11 |
0 |
3088 |
0 |
0 |
T12 |
0 |
208 |
0 |
0 |
T14 |
0 |
9053 |
0 |
0 |
T27 |
0 |
1881 |
0 |
0 |
T30 |
0 |
134413 |
0 |
0 |
T31 |
0 |
163547 |
0 |
0 |
T42 |
217826 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.i2c_core.u_fifos.u_tx_fifo_sram_adapter.u_oup_buf
| 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 | 130 | 1 | 1 | 100.00 |
CONT_ASSIGN | 131 | 1 | 1 | 100.00 |
CONT_ASSIGN | 138 | 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: T10 T42 T43
125 end
MISSING_ELSE
126 end
127
128 logic [Width-1:0] rdata_int;
129 if (Pass == 1'b1) begin : gen_pass
130 1/1 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
Tests: T1 T2 T3
131 1/1 assign empty = fifo_empty & ~wvalid_i;
Tests: T1 T2 T3
132 end else begin : gen_nopass
133 assign rdata_int = storage_rdata;
134 assign empty = fifo_empty;
135 end
136
137 if (OutputZeroIfEmpty == 1'b1) begin : gen_output_zero
138 1/1 assign rdata_o = empty ? Width'(0) : rdata_int;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.i2c_core.u_fifos.u_tx_fifo_sram_adapter.u_oup_buf
| Total | Covered | Percent |
Conditions | 24 | 19 | 79.17 |
Logical | 24 | 19 | 79.17 |
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 | T10,T43,T44 |
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 | T10,T42,T43 |
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 | T10,T42,T43 |
LINE 101
EXPRESSION (rvalid_o & rready_i & ((~gen_normal_fifo.under_rst)))
----1--- ----2--- ---------------3--------------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Not Covered | |
1 | 0 | 1 | Covered | T10,T42,T43 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T10,T42,T43 |
LINE 130
EXPRESSION ((gen_normal_fifo.fifo_empty && wvalid_i) ? wdata_i : gen_normal_fifo.storage_rdata)
--------------------1-------------------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T10,T42,T43 |
LINE 130
SUB-EXPRESSION (gen_normal_fifo.fifo_empty && wvalid_i)
-------------1------------ ----2---
-1- | -2- | Status | Tests |
0 | 1 | Covered | T10,T43,T44 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T10,T42,T43 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T10,T42,T43 |
1 | 0 | Covered | T10,T42,T43 |
1 | 1 | Covered | T1,T2,T3 |
LINE 138
EXPRESSION (gen_normal_fifo.empty ? (13'(0)) : gen_normal_fifo.rdata_int)
----------1----------
-1- | Status | Tests |
0 | Covered | T10,T42,T43 |
1 | Covered | T1,T2,T3 |
Branch Coverage for Instance : tb.dut.i2c_core.u_fifos.u_tx_fifo_sram_adapter.u_oup_buf
| Line No. | Total | Covered | Percent |
Branches |
|
9 |
9 |
100.00 |
TERNARY |
130 |
2 |
2 |
100.00 |
TERNARY |
138 |
2 |
2 |
100.00 |
IF |
69 |
3 |
3 |
100.00 |
IF |
123 |
2 |
2 |
100.00 |
130 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T10,T42,T43 |
0 |
Covered |
T1,T2,T3 |
138 assign rdata_o = empty ? Width'(0) : rdata_int;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T10,T42,T43 |
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 |
T10,T42,T43 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.i2c_core.u_fifos.u_tx_fifo_sram_adapter.u_oup_buf
Assertion Details
DataKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
32609145 |
0 |
0 |
T10 |
73415 |
60642 |
0 |
0 |
T30 |
271436 |
0 |
0 |
0 |
T42 |
217826 |
4590 |
0 |
0 |
T43 |
26217 |
23570 |
0 |
0 |
T44 |
108521 |
46079 |
0 |
0 |
T45 |
15359 |
5144 |
0 |
0 |
T46 |
39424 |
15902 |
0 |
0 |
T68 |
15737 |
2333 |
0 |
0 |
T71 |
39806 |
29887 |
0 |
0 |
T72 |
106333 |
45542 |
0 |
0 |
T73 |
0 |
9999 |
0 |
0 |
DataKnown_AKnownEnable
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
389774674 |
0 |
0 |
T1 |
2144 |
2055 |
0 |
0 |
T2 |
141243 |
141187 |
0 |
0 |
T3 |
15679 |
15628 |
0 |
0 |
T4 |
24413 |
24336 |
0 |
0 |
T5 |
14990 |
14892 |
0 |
0 |
T6 |
11679 |
11592 |
0 |
0 |
T7 |
97119 |
97029 |
0 |
0 |
T8 |
12797 |
12402 |
0 |
0 |
T9 |
77103 |
77043 |
0 |
0 |
T10 |
73415 |
73333 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
389774674 |
0 |
0 |
T1 |
2144 |
2055 |
0 |
0 |
T2 |
141243 |
141187 |
0 |
0 |
T3 |
15679 |
15628 |
0 |
0 |
T4 |
24413 |
24336 |
0 |
0 |
T5 |
14990 |
14892 |
0 |
0 |
T6 |
11679 |
11592 |
0 |
0 |
T7 |
97119 |
97029 |
0 |
0 |
T8 |
12797 |
12402 |
0 |
0 |
T9 |
77103 |
77043 |
0 |
0 |
T10 |
73415 |
73333 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
389774674 |
0 |
0 |
T1 |
2144 |
2055 |
0 |
0 |
T2 |
141243 |
141187 |
0 |
0 |
T3 |
15679 |
15628 |
0 |
0 |
T4 |
24413 |
24336 |
0 |
0 |
T5 |
14990 |
14892 |
0 |
0 |
T6 |
11679 |
11592 |
0 |
0 |
T7 |
97119 |
97029 |
0 |
0 |
T8 |
12797 |
12402 |
0 |
0 |
T9 |
77103 |
77043 |
0 |
0 |
T10 |
73415 |
73333 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
389774674 |
0 |
0 |
T1 |
2144 |
2055 |
0 |
0 |
T2 |
141243 |
141187 |
0 |
0 |
T3 |
15679 |
15628 |
0 |
0 |
T4 |
24413 |
24336 |
0 |
0 |
T5 |
14990 |
14892 |
0 |
0 |
T6 |
11679 |
11592 |
0 |
0 |
T7 |
97119 |
97029 |
0 |
0 |
T8 |
12797 |
12402 |
0 |
0 |
T9 |
77103 |
77043 |
0 |
0 |
T10 |
73415 |
73333 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
32609145 |
0 |
0 |
T10 |
73415 |
60642 |
0 |
0 |
T30 |
271436 |
0 |
0 |
0 |
T42 |
217826 |
4590 |
0 |
0 |
T43 |
26217 |
23570 |
0 |
0 |
T44 |
108521 |
46079 |
0 |
0 |
T45 |
15359 |
5144 |
0 |
0 |
T46 |
39424 |
15902 |
0 |
0 |
T68 |
15737 |
2333 |
0 |
0 |
T71 |
39806 |
29887 |
0 |
0 |
T72 |
106333 |
45542 |
0 |
0 |
T73 |
0 |
9999 |
0 |
0 |
Line Coverage for Instance : tb.dut.i2c_core.u_fifos.u_acq_fifo_sram_adapter.u_oup_buf
| 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 | 130 | 1 | 1 | 100.00 |
CONT_ASSIGN | 131 | 1 | 1 | 100.00 |
CONT_ASSIGN | 138 | 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: T10 T42 T43
125 end
MISSING_ELSE
126 end
127
128 logic [Width-1:0] rdata_int;
129 if (Pass == 1'b1) begin : gen_pass
130 1/1 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
Tests: T1 T2 T3
131 1/1 assign empty = fifo_empty & ~wvalid_i;
Tests: T1 T2 T3
132 end else begin : gen_nopass
133 assign rdata_int = storage_rdata;
134 assign empty = fifo_empty;
135 end
136
137 if (OutputZeroIfEmpty == 1'b1) begin : gen_output_zero
138 1/1 assign rdata_o = empty ? Width'(0) : rdata_int;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.i2c_core.u_fifos.u_acq_fifo_sram_adapter.u_oup_buf
| Total | Covered | Percent |
Conditions | 24 | 20 | 83.33 |
Logical | 24 | 20 | 83.33 |
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 | T10,T42,T44 |
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 | T10,T42,T43 |
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 | T10,T42,T43 |
LINE 101
EXPRESSION (rvalid_o & rready_i & ((~gen_normal_fifo.under_rst)))
----1--- ----2--- ---------------3--------------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T73,T181,T182 |
1 | 0 | 1 | Covered | T10,T42,T43 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T10,T42,T43 |
LINE 130
EXPRESSION ((gen_normal_fifo.fifo_empty && wvalid_i) ? wdata_i : gen_normal_fifo.storage_rdata)
--------------------1-------------------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T10,T42,T43 |
LINE 130
SUB-EXPRESSION (gen_normal_fifo.fifo_empty && wvalid_i)
-------------1------------ ----2---
-1- | -2- | Status | Tests |
0 | 1 | Covered | T10,T42,T44 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T10,T42,T43 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T10,T42,T43 |
1 | 0 | Covered | T10,T42,T43 |
1 | 1 | Covered | T1,T2,T3 |
LINE 138
EXPRESSION (gen_normal_fifo.empty ? (13'(0)) : gen_normal_fifo.rdata_int)
----------1----------
-1- | Status | Tests |
0 | Covered | T10,T42,T43 |
1 | Covered | T1,T2,T3 |
Branch Coverage for Instance : tb.dut.i2c_core.u_fifos.u_acq_fifo_sram_adapter.u_oup_buf
| Line No. | Total | Covered | Percent |
Branches |
|
9 |
9 |
100.00 |
TERNARY |
130 |
2 |
2 |
100.00 |
TERNARY |
138 |
2 |
2 |
100.00 |
IF |
69 |
3 |
3 |
100.00 |
IF |
123 |
2 |
2 |
100.00 |
130 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T10,T42,T43 |
0 |
Covered |
T1,T2,T3 |
138 assign rdata_o = empty ? Width'(0) : rdata_int;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T10,T42,T43 |
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 |
T10,T42,T43 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.i2c_core.u_fifos.u_acq_fifo_sram_adapter.u_oup_buf
Assertion Details
DataKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
217586876 |
0 |
0 |
T10 |
73415 |
8815 |
0 |
0 |
T30 |
271436 |
0 |
0 |
0 |
T42 |
217826 |
202093 |
0 |
0 |
T43 |
26217 |
276 |
0 |
0 |
T44 |
108521 |
57352 |
0 |
0 |
T45 |
15359 |
6125 |
0 |
0 |
T46 |
39424 |
18331 |
0 |
0 |
T68 |
15737 |
1424 |
0 |
0 |
T71 |
39806 |
4312 |
0 |
0 |
T72 |
106333 |
56990 |
0 |
0 |
T73 |
0 |
13022 |
0 |
0 |
DataKnown_AKnownEnable
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
389774674 |
0 |
0 |
T1 |
2144 |
2055 |
0 |
0 |
T2 |
141243 |
141187 |
0 |
0 |
T3 |
15679 |
15628 |
0 |
0 |
T4 |
24413 |
24336 |
0 |
0 |
T5 |
14990 |
14892 |
0 |
0 |
T6 |
11679 |
11592 |
0 |
0 |
T7 |
97119 |
97029 |
0 |
0 |
T8 |
12797 |
12402 |
0 |
0 |
T9 |
77103 |
77043 |
0 |
0 |
T10 |
73415 |
73333 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
389774674 |
0 |
0 |
T1 |
2144 |
2055 |
0 |
0 |
T2 |
141243 |
141187 |
0 |
0 |
T3 |
15679 |
15628 |
0 |
0 |
T4 |
24413 |
24336 |
0 |
0 |
T5 |
14990 |
14892 |
0 |
0 |
T6 |
11679 |
11592 |
0 |
0 |
T7 |
97119 |
97029 |
0 |
0 |
T8 |
12797 |
12402 |
0 |
0 |
T9 |
77103 |
77043 |
0 |
0 |
T10 |
73415 |
73333 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
389774674 |
0 |
0 |
T1 |
2144 |
2055 |
0 |
0 |
T2 |
141243 |
141187 |
0 |
0 |
T3 |
15679 |
15628 |
0 |
0 |
T4 |
24413 |
24336 |
0 |
0 |
T5 |
14990 |
14892 |
0 |
0 |
T6 |
11679 |
11592 |
0 |
0 |
T7 |
97119 |
97029 |
0 |
0 |
T8 |
12797 |
12402 |
0 |
0 |
T9 |
77103 |
77043 |
0 |
0 |
T10 |
73415 |
73333 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
389774674 |
0 |
0 |
T1 |
2144 |
2055 |
0 |
0 |
T2 |
141243 |
141187 |
0 |
0 |
T3 |
15679 |
15628 |
0 |
0 |
T4 |
24413 |
24336 |
0 |
0 |
T5 |
14990 |
14892 |
0 |
0 |
T6 |
11679 |
11592 |
0 |
0 |
T7 |
97119 |
97029 |
0 |
0 |
T8 |
12797 |
12402 |
0 |
0 |
T9 |
77103 |
77043 |
0 |
0 |
T10 |
73415 |
73333 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
389927877 |
217586876 |
0 |
0 |
T10 |
73415 |
8815 |
0 |
0 |
T30 |
271436 |
0 |
0 |
0 |
T42 |
217826 |
202093 |
0 |
0 |
T43 |
26217 |
276 |
0 |
0 |
T44 |
108521 |
57352 |
0 |
0 |
T45 |
15359 |
6125 |
0 |
0 |
T46 |
39424 |
18331 |
0 |
0 |
T68 |
15737 |
1424 |
0 |
0 |
T71 |
39806 |
4312 |
0 |
0 |
T72 |
106333 |
56990 |
0 |
0 |
T73 |
0 |
13022 |
0 |
0 |