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: T1 T2 T3
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 | T1,T2,T6 |
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 | T1,T2,T3 |
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 | T1,T2,T3 |
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 | T1,T6,T8 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T1,T2,T3 |
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 | T1,T2,T3 |
LINE 130
SUB-EXPRESSION (gen_normal_fifo.fifo_empty && wvalid_i)
-------------1------------ ----2---
-1- | -2- | Status | Tests |
0 | 1 | Covered | T1,T2,T6 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T1,T2,T3 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T1,T6,T8 |
1 | 0 | Covered | T1,T2,T3 |
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 | T1,T2,T3 |
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 |
T1,T2,T3 |
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 |
T1,T2,T3 |
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 |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Module :
prim_fifo_sync
Assertion Details
DataKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
423172130 |
0 |
0 |
T1 |
12602 |
739 |
0 |
0 |
T2 |
505044 |
8609 |
0 |
0 |
T3 |
103944 |
14489 |
0 |
0 |
T4 |
9504 |
0 |
0 |
0 |
T5 |
1622388 |
268370 |
0 |
0 |
T6 |
94242 |
12656 |
0 |
0 |
T7 |
91020 |
3743 |
0 |
0 |
T8 |
137322 |
21192 |
0 |
0 |
T9 |
693732 |
58060 |
0 |
0 |
T10 |
666664 |
81546 |
0 |
0 |
T11 |
438774 |
66597 |
0 |
0 |
T12 |
0 |
36094 |
0 |
0 |
T15 |
164002 |
76672 |
0 |
0 |
T21 |
0 |
88740 |
0 |
0 |
T25 |
58718 |
26589 |
0 |
0 |
T37 |
0 |
13251 |
0 |
0 |
T43 |
0 |
5 |
0 |
0 |
T45 |
285246 |
72792 |
0 |
0 |
T49 |
504004 |
234346 |
0 |
0 |
T50 |
480258 |
224200 |
0 |
0 |
T72 |
203288 |
8399 |
0 |
0 |
T73 |
178264 |
1687 |
0 |
0 |
T100 |
2076 |
0 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
2147483647 |
0 |
0 |
T1 |
50408 |
47008 |
0 |
0 |
T2 |
673392 |
672752 |
0 |
0 |
T3 |
138592 |
137960 |
0 |
0 |
T4 |
12672 |
12000 |
0 |
0 |
T5 |
2163184 |
2162784 |
0 |
0 |
T6 |
125656 |
124968 |
0 |
0 |
T7 |
121360 |
120952 |
0 |
0 |
T8 |
183096 |
182384 |
0 |
0 |
T9 |
924976 |
924256 |
0 |
0 |
T10 |
666664 |
666024 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
2147483647 |
0 |
0 |
T1 |
50408 |
47008 |
0 |
0 |
T2 |
673392 |
672752 |
0 |
0 |
T3 |
138592 |
137960 |
0 |
0 |
T4 |
12672 |
12000 |
0 |
0 |
T5 |
2163184 |
2162784 |
0 |
0 |
T6 |
125656 |
124968 |
0 |
0 |
T7 |
121360 |
120952 |
0 |
0 |
T8 |
183096 |
182384 |
0 |
0 |
T9 |
924976 |
924256 |
0 |
0 |
T10 |
666664 |
666024 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
2147483647 |
0 |
0 |
T1 |
50408 |
47008 |
0 |
0 |
T2 |
673392 |
672752 |
0 |
0 |
T3 |
138592 |
137960 |
0 |
0 |
T4 |
12672 |
12000 |
0 |
0 |
T5 |
2163184 |
2162784 |
0 |
0 |
T6 |
125656 |
124968 |
0 |
0 |
T7 |
121360 |
120952 |
0 |
0 |
T8 |
183096 |
182384 |
0 |
0 |
T9 |
924976 |
924256 |
0 |
0 |
T10 |
666664 |
666024 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
423172130 |
0 |
0 |
T1 |
12602 |
739 |
0 |
0 |
T2 |
505044 |
8609 |
0 |
0 |
T3 |
103944 |
14489 |
0 |
0 |
T4 |
9504 |
0 |
0 |
0 |
T5 |
1622388 |
268370 |
0 |
0 |
T6 |
94242 |
12656 |
0 |
0 |
T7 |
91020 |
3743 |
0 |
0 |
T8 |
137322 |
21192 |
0 |
0 |
T9 |
693732 |
58060 |
0 |
0 |
T10 |
666664 |
81546 |
0 |
0 |
T11 |
438774 |
66597 |
0 |
0 |
T12 |
0 |
36094 |
0 |
0 |
T15 |
164002 |
76672 |
0 |
0 |
T21 |
0 |
88740 |
0 |
0 |
T25 |
58718 |
26589 |
0 |
0 |
T37 |
0 |
13251 |
0 |
0 |
T43 |
0 |
5 |
0 |
0 |
T45 |
285246 |
72792 |
0 |
0 |
T49 |
504004 |
234346 |
0 |
0 |
T50 |
480258 |
224200 |
0 |
0 |
T72 |
203288 |
8399 |
0 |
0 |
T73 |
178264 |
1687 |
0 |
0 |
T100 |
2076 |
0 |
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: T10 T11 T15
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 | T10,T11,T15 |
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,T11,T15 |
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 | T10,T11,T15 |
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,T11,T15 |
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,T11,T15 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Not Covered | |
1 | 0 | Covered | T10,T11,T15 |
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,T11,T15 |
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 |
T10,T11,T15 |
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,T11,T15 |
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,T11,T15 |
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 |
403567476 |
198756 |
0 |
0 |
T10 |
83333 |
36 |
0 |
0 |
T11 |
73129 |
100 |
0 |
0 |
T12 |
0 |
172 |
0 |
0 |
T13 |
0 |
26 |
0 |
0 |
T15 |
82001 |
379 |
0 |
0 |
T19 |
0 |
32 |
0 |
0 |
T21 |
0 |
14 |
0 |
0 |
T25 |
29359 |
0 |
0 |
0 |
T43 |
0 |
5 |
0 |
0 |
T45 |
142623 |
0 |
0 |
0 |
T49 |
252002 |
0 |
0 |
0 |
T50 |
240129 |
0 |
0 |
0 |
T72 |
101644 |
0 |
0 |
0 |
T73 |
89132 |
0 |
0 |
0 |
T81 |
0 |
64 |
0 |
0 |
T82 |
0 |
64 |
0 |
0 |
T100 |
1038 |
0 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
403567476 |
403397161 |
0 |
0 |
T1 |
6301 |
5876 |
0 |
0 |
T2 |
84174 |
84094 |
0 |
0 |
T3 |
17324 |
17245 |
0 |
0 |
T4 |
1584 |
1500 |
0 |
0 |
T5 |
270398 |
270348 |
0 |
0 |
T6 |
15707 |
15621 |
0 |
0 |
T7 |
15170 |
15119 |
0 |
0 |
T8 |
22887 |
22798 |
0 |
0 |
T9 |
115622 |
115532 |
0 |
0 |
T10 |
83333 |
83253 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
403567476 |
403397161 |
0 |
0 |
T1 |
6301 |
5876 |
0 |
0 |
T2 |
84174 |
84094 |
0 |
0 |
T3 |
17324 |
17245 |
0 |
0 |
T4 |
1584 |
1500 |
0 |
0 |
T5 |
270398 |
270348 |
0 |
0 |
T6 |
15707 |
15621 |
0 |
0 |
T7 |
15170 |
15119 |
0 |
0 |
T8 |
22887 |
22798 |
0 |
0 |
T9 |
115622 |
115532 |
0 |
0 |
T10 |
83333 |
83253 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
403567476 |
403397161 |
0 |
0 |
T1 |
6301 |
5876 |
0 |
0 |
T2 |
84174 |
84094 |
0 |
0 |
T3 |
17324 |
17245 |
0 |
0 |
T4 |
1584 |
1500 |
0 |
0 |
T5 |
270398 |
270348 |
0 |
0 |
T6 |
15707 |
15621 |
0 |
0 |
T7 |
15170 |
15119 |
0 |
0 |
T8 |
22887 |
22798 |
0 |
0 |
T9 |
115622 |
115532 |
0 |
0 |
T10 |
83333 |
83253 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
403567476 |
198756 |
0 |
0 |
T10 |
83333 |
36 |
0 |
0 |
T11 |
73129 |
100 |
0 |
0 |
T12 |
0 |
172 |
0 |
0 |
T13 |
0 |
26 |
0 |
0 |
T15 |
82001 |
379 |
0 |
0 |
T19 |
0 |
32 |
0 |
0 |
T21 |
0 |
14 |
0 |
0 |
T25 |
29359 |
0 |
0 |
0 |
T43 |
0 |
5 |
0 |
0 |
T45 |
142623 |
0 |
0 |
0 |
T49 |
252002 |
0 |
0 |
0 |
T50 |
240129 |
0 |
0 |
0 |
T72 |
101644 |
0 |
0 |
0 |
T73 |
89132 |
0 |
0 |
0 |
T81 |
0 |
64 |
0 |
0 |
T82 |
0 |
64 |
0 |
0 |
T100 |
1038 |
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: T1 T6 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_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 | T1,T6,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 | T1,T6,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 | Covered | T11,T44,T19 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T1,T6,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 | T1,T6,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 | T1,T6,T8 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T11,T44,T19 |
1 | 0 | Covered | T1,T6,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 | T1,T6,T8 |
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 |
T1,T6,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 |
T1,T6,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 |
T1,T6,T8 |
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 |
403567476 |
207066 |
0 |
0 |
T1 |
6301 |
15 |
0 |
0 |
T2 |
84174 |
0 |
0 |
0 |
T3 |
17324 |
0 |
0 |
0 |
T4 |
1584 |
0 |
0 |
0 |
T5 |
270398 |
0 |
0 |
0 |
T6 |
15707 |
51 |
0 |
0 |
T7 |
15170 |
0 |
0 |
0 |
T8 |
22887 |
93 |
0 |
0 |
T9 |
115622 |
0 |
0 |
0 |
T10 |
83333 |
6 |
0 |
0 |
T11 |
0 |
257 |
0 |
0 |
T12 |
0 |
27 |
0 |
0 |
T15 |
0 |
84 |
0 |
0 |
T21 |
0 |
26 |
0 |
0 |
T25 |
0 |
127 |
0 |
0 |
T37 |
0 |
82 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
403567476 |
403397161 |
0 |
0 |
T1 |
6301 |
5876 |
0 |
0 |
T2 |
84174 |
84094 |
0 |
0 |
T3 |
17324 |
17245 |
0 |
0 |
T4 |
1584 |
1500 |
0 |
0 |
T5 |
270398 |
270348 |
0 |
0 |
T6 |
15707 |
15621 |
0 |
0 |
T7 |
15170 |
15119 |
0 |
0 |
T8 |
22887 |
22798 |
0 |
0 |
T9 |
115622 |
115532 |
0 |
0 |
T10 |
83333 |
83253 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
403567476 |
403397161 |
0 |
0 |
T1 |
6301 |
5876 |
0 |
0 |
T2 |
84174 |
84094 |
0 |
0 |
T3 |
17324 |
17245 |
0 |
0 |
T4 |
1584 |
1500 |
0 |
0 |
T5 |
270398 |
270348 |
0 |
0 |
T6 |
15707 |
15621 |
0 |
0 |
T7 |
15170 |
15119 |
0 |
0 |
T8 |
22887 |
22798 |
0 |
0 |
T9 |
115622 |
115532 |
0 |
0 |
T10 |
83333 |
83253 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
403567476 |
403397161 |
0 |
0 |
T1 |
6301 |
5876 |
0 |
0 |
T2 |
84174 |
84094 |
0 |
0 |
T3 |
17324 |
17245 |
0 |
0 |
T4 |
1584 |
1500 |
0 |
0 |
T5 |
270398 |
270348 |
0 |
0 |
T6 |
15707 |
15621 |
0 |
0 |
T7 |
15170 |
15119 |
0 |
0 |
T8 |
22887 |
22798 |
0 |
0 |
T9 |
115622 |
115532 |
0 |
0 |
T10 |
83333 |
83253 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
403567476 |
207066 |
0 |
0 |
T1 |
6301 |
15 |
0 |
0 |
T2 |
84174 |
0 |
0 |
0 |
T3 |
17324 |
0 |
0 |
0 |
T4 |
1584 |
0 |
0 |
0 |
T5 |
270398 |
0 |
0 |
0 |
T6 |
15707 |
51 |
0 |
0 |
T7 |
15170 |
0 |
0 |
0 |
T8 |
22887 |
93 |
0 |
0 |
T9 |
115622 |
0 |
0 |
0 |
T10 |
83333 |
6 |
0 |
0 |
T11 |
0 |
257 |
0 |
0 |
T12 |
0 |
27 |
0 |
0 |
T15 |
0 |
84 |
0 |
0 |
T21 |
0 |
26 |
0 |
0 |
T25 |
0 |
127 |
0 |
0 |
T37 |
0 |
82 |
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: T2 T3 T7
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 | T2,T3,T7 |
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,T7 |
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 | T7,T65,T188 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T2,T3,T7 |
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,T7 |
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,T7 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T7,T65,T188 |
1 | 0 | Covered | T2,T3,T7 |
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,T7 |
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 |
T2,T3,T7 |
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,T7 |
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,T7 |
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 |
403567476 |
161139 |
0 |
0 |
T2 |
84174 |
181 |
0 |
0 |
T3 |
17324 |
12 |
0 |
0 |
T4 |
1584 |
0 |
0 |
0 |
T5 |
270398 |
0 |
0 |
0 |
T6 |
15707 |
0 |
0 |
0 |
T7 |
15170 |
71 |
0 |
0 |
T8 |
22887 |
0 |
0 |
0 |
T9 |
115622 |
268 |
0 |
0 |
T10 |
83333 |
0 |
0 |
0 |
T11 |
73129 |
0 |
0 |
0 |
T45 |
0 |
333 |
0 |
0 |
T49 |
0 |
18 |
0 |
0 |
T50 |
0 |
18 |
0 |
0 |
T65 |
0 |
213 |
0 |
0 |
T72 |
0 |
175 |
0 |
0 |
T73 |
0 |
391 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
403567476 |
403397161 |
0 |
0 |
T1 |
6301 |
5876 |
0 |
0 |
T2 |
84174 |
84094 |
0 |
0 |
T3 |
17324 |
17245 |
0 |
0 |
T4 |
1584 |
1500 |
0 |
0 |
T5 |
270398 |
270348 |
0 |
0 |
T6 |
15707 |
15621 |
0 |
0 |
T7 |
15170 |
15119 |
0 |
0 |
T8 |
22887 |
22798 |
0 |
0 |
T9 |
115622 |
115532 |
0 |
0 |
T10 |
83333 |
83253 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
403567476 |
403397161 |
0 |
0 |
T1 |
6301 |
5876 |
0 |
0 |
T2 |
84174 |
84094 |
0 |
0 |
T3 |
17324 |
17245 |
0 |
0 |
T4 |
1584 |
1500 |
0 |
0 |
T5 |
270398 |
270348 |
0 |
0 |
T6 |
15707 |
15621 |
0 |
0 |
T7 |
15170 |
15119 |
0 |
0 |
T8 |
22887 |
22798 |
0 |
0 |
T9 |
115622 |
115532 |
0 |
0 |
T10 |
83333 |
83253 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
403567476 |
403397161 |
0 |
0 |
T1 |
6301 |
5876 |
0 |
0 |
T2 |
84174 |
84094 |
0 |
0 |
T3 |
17324 |
17245 |
0 |
0 |
T4 |
1584 |
1500 |
0 |
0 |
T5 |
270398 |
270348 |
0 |
0 |
T6 |
15707 |
15621 |
0 |
0 |
T7 |
15170 |
15119 |
0 |
0 |
T8 |
22887 |
22798 |
0 |
0 |
T9 |
115622 |
115532 |
0 |
0 |
T10 |
83333 |
83253 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
403567476 |
161139 |
0 |
0 |
T2 |
84174 |
181 |
0 |
0 |
T3 |
17324 |
12 |
0 |
0 |
T4 |
1584 |
0 |
0 |
0 |
T5 |
270398 |
0 |
0 |
0 |
T6 |
15707 |
0 |
0 |
0 |
T7 |
15170 |
71 |
0 |
0 |
T8 |
22887 |
0 |
0 |
0 |
T9 |
115622 |
268 |
0 |
0 |
T10 |
83333 |
0 |
0 |
0 |
T11 |
73129 |
0 |
0 |
0 |
T45 |
0 |
333 |
0 |
0 |
T49 |
0 |
18 |
0 |
0 |
T50 |
0 |
18 |
0 |
0 |
T65 |
0 |
213 |
0 |
0 |
T72 |
0 |
175 |
0 |
0 |
T73 |
0 |
391 |
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: T2 T3 T5
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 | T2,T3,T5 |
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,T5 |
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 | T189,T190,T56 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T2,T3,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,T5 |
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,T5 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T189,T190,T56 |
1 | 0 | Covered | T2,T3,T5 |
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,T5 |
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 |
T2,T3,T5 |
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,T5 |
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,T5 |
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 |
403567476 |
312987 |
0 |
0 |
T2 |
84174 |
370 |
0 |
0 |
T3 |
17324 |
2 |
0 |
0 |
T4 |
1584 |
0 |
0 |
0 |
T5 |
270398 |
146 |
0 |
0 |
T6 |
15707 |
0 |
0 |
0 |
T7 |
15170 |
22 |
0 |
0 |
T8 |
22887 |
0 |
0 |
0 |
T9 |
115622 |
317 |
0 |
0 |
T10 |
83333 |
0 |
0 |
0 |
T11 |
73129 |
0 |
0 |
0 |
T45 |
0 |
426 |
0 |
0 |
T49 |
0 |
1220 |
0 |
0 |
T50 |
0 |
1219 |
0 |
0 |
T72 |
0 |
412 |
0 |
0 |
T73 |
0 |
65 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
403567476 |
403397161 |
0 |
0 |
T1 |
6301 |
5876 |
0 |
0 |
T2 |
84174 |
84094 |
0 |
0 |
T3 |
17324 |
17245 |
0 |
0 |
T4 |
1584 |
1500 |
0 |
0 |
T5 |
270398 |
270348 |
0 |
0 |
T6 |
15707 |
15621 |
0 |
0 |
T7 |
15170 |
15119 |
0 |
0 |
T8 |
22887 |
22798 |
0 |
0 |
T9 |
115622 |
115532 |
0 |
0 |
T10 |
83333 |
83253 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
403567476 |
403397161 |
0 |
0 |
T1 |
6301 |
5876 |
0 |
0 |
T2 |
84174 |
84094 |
0 |
0 |
T3 |
17324 |
17245 |
0 |
0 |
T4 |
1584 |
1500 |
0 |
0 |
T5 |
270398 |
270348 |
0 |
0 |
T6 |
15707 |
15621 |
0 |
0 |
T7 |
15170 |
15119 |
0 |
0 |
T8 |
22887 |
22798 |
0 |
0 |
T9 |
115622 |
115532 |
0 |
0 |
T10 |
83333 |
83253 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
403567476 |
403397161 |
0 |
0 |
T1 |
6301 |
5876 |
0 |
0 |
T2 |
84174 |
84094 |
0 |
0 |
T3 |
17324 |
17245 |
0 |
0 |
T4 |
1584 |
1500 |
0 |
0 |
T5 |
270398 |
270348 |
0 |
0 |
T6 |
15707 |
15621 |
0 |
0 |
T7 |
15170 |
15119 |
0 |
0 |
T8 |
22887 |
22798 |
0 |
0 |
T9 |
115622 |
115532 |
0 |
0 |
T10 |
83333 |
83253 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
403567476 |
312987 |
0 |
0 |
T2 |
84174 |
370 |
0 |
0 |
T3 |
17324 |
2 |
0 |
0 |
T4 |
1584 |
0 |
0 |
0 |
T5 |
270398 |
146 |
0 |
0 |
T6 |
15707 |
0 |
0 |
0 |
T7 |
15170 |
22 |
0 |
0 |
T8 |
22887 |
0 |
0 |
0 |
T9 |
115622 |
317 |
0 |
0 |
T10 |
83333 |
0 |
0 |
0 |
T11 |
73129 |
0 |
0 |
0 |
T45 |
0 |
426 |
0 |
0 |
T49 |
0 |
1220 |
0 |
0 |
T50 |
0 |
1219 |
0 |
0 |
T72 |
0 |
412 |
0 |
0 |
T73 |
0 |
65 |
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: T1 T6 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_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 | T1,T6,T8 |
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 | T1,T6,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 | T1,T6,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 | T1,T6,T8 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T8,T10,T11 |
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 | T1,T6,T8 |
LINE 130
SUB-EXPRESSION (gen_normal_fifo.fifo_empty && wvalid_i)
-------------1------------ ----2---
-1- | -2- | Status | Tests |
0 | 1 | Covered | T1,T6,T8 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T1,T6,T8 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T1,T6,T8 |
1 | 0 | Covered | T1,T6,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 | T1,T6,T8 |
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 |
T1,T6,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 |
T1,T6,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 |
T1,T6,T8 |
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 |
403567476 |
134449705 |
0 |
0 |
T1 |
6301 |
724 |
0 |
0 |
T2 |
84174 |
0 |
0 |
0 |
T3 |
17324 |
0 |
0 |
0 |
T4 |
1584 |
0 |
0 |
0 |
T5 |
270398 |
0 |
0 |
0 |
T6 |
15707 |
12605 |
0 |
0 |
T7 |
15170 |
0 |
0 |
0 |
T8 |
22887 |
21099 |
0 |
0 |
T9 |
115622 |
0 |
0 |
0 |
T10 |
83333 |
81504 |
0 |
0 |
T11 |
0 |
66240 |
0 |
0 |
T12 |
0 |
35895 |
0 |
0 |
T15 |
0 |
76209 |
0 |
0 |
T21 |
0 |
88700 |
0 |
0 |
T25 |
0 |
26462 |
0 |
0 |
T37 |
0 |
13169 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
403567476 |
403397161 |
0 |
0 |
T1 |
6301 |
5876 |
0 |
0 |
T2 |
84174 |
84094 |
0 |
0 |
T3 |
17324 |
17245 |
0 |
0 |
T4 |
1584 |
1500 |
0 |
0 |
T5 |
270398 |
270348 |
0 |
0 |
T6 |
15707 |
15621 |
0 |
0 |
T7 |
15170 |
15119 |
0 |
0 |
T8 |
22887 |
22798 |
0 |
0 |
T9 |
115622 |
115532 |
0 |
0 |
T10 |
83333 |
83253 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
403567476 |
403397161 |
0 |
0 |
T1 |
6301 |
5876 |
0 |
0 |
T2 |
84174 |
84094 |
0 |
0 |
T3 |
17324 |
17245 |
0 |
0 |
T4 |
1584 |
1500 |
0 |
0 |
T5 |
270398 |
270348 |
0 |
0 |
T6 |
15707 |
15621 |
0 |
0 |
T7 |
15170 |
15119 |
0 |
0 |
T8 |
22887 |
22798 |
0 |
0 |
T9 |
115622 |
115532 |
0 |
0 |
T10 |
83333 |
83253 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
403567476 |
403397161 |
0 |
0 |
T1 |
6301 |
5876 |
0 |
0 |
T2 |
84174 |
84094 |
0 |
0 |
T3 |
17324 |
17245 |
0 |
0 |
T4 |
1584 |
1500 |
0 |
0 |
T5 |
270398 |
270348 |
0 |
0 |
T6 |
15707 |
15621 |
0 |
0 |
T7 |
15170 |
15119 |
0 |
0 |
T8 |
22887 |
22798 |
0 |
0 |
T9 |
115622 |
115532 |
0 |
0 |
T10 |
83333 |
83253 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
403567476 |
134449705 |
0 |
0 |
T1 |
6301 |
724 |
0 |
0 |
T2 |
84174 |
0 |
0 |
0 |
T3 |
17324 |
0 |
0 |
0 |
T4 |
1584 |
0 |
0 |
0 |
T5 |
270398 |
0 |
0 |
0 |
T6 |
15707 |
12605 |
0 |
0 |
T7 |
15170 |
0 |
0 |
0 |
T8 |
22887 |
21099 |
0 |
0 |
T9 |
115622 |
0 |
0 |
0 |
T10 |
83333 |
81504 |
0 |
0 |
T11 |
0 |
66240 |
0 |
0 |
T12 |
0 |
35895 |
0 |
0 |
T15 |
0 |
76209 |
0 |
0 |
T21 |
0 |
88700 |
0 |
0 |
T25 |
0 |
26462 |
0 |
0 |
T37 |
0 |
13169 |
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: T10 T11 T15
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 | T81,T82,T83 |
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,T11,T15 |
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,T11,T15 |
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,T11,T15 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T10,T11,T15 |
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,T11,T15 |
LINE 130
SUB-EXPRESSION (gen_normal_fifo.fifo_empty && wvalid_i)
-------------1------------ ----2---
-1- | -2- | Status | Tests |
0 | 1 | Covered | T81,T82,T83 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T10,T11,T15 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T10,T11,T15 |
1 | 0 | Covered | T10,T11,T15 |
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,T11,T15 |
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 |
T10,T11,T15 |
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,T11,T15 |
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,T11,T15 |
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 |
403567476 |
25501602 |
0 |
0 |
T10 |
83333 |
884 |
0 |
0 |
T11 |
73129 |
3282 |
0 |
0 |
T12 |
0 |
1160 |
0 |
0 |
T13 |
0 |
555 |
0 |
0 |
T15 |
82001 |
8203 |
0 |
0 |
T19 |
0 |
206 |
0 |
0 |
T21 |
0 |
287 |
0 |
0 |
T25 |
29359 |
0 |
0 |
0 |
T43 |
0 |
150 |
0 |
0 |
T45 |
142623 |
0 |
0 |
0 |
T49 |
252002 |
0 |
0 |
0 |
T50 |
240129 |
0 |
0 |
0 |
T72 |
101644 |
0 |
0 |
0 |
T73 |
89132 |
0 |
0 |
0 |
T81 |
0 |
9643 |
0 |
0 |
T82 |
0 |
9083 |
0 |
0 |
T100 |
1038 |
0 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
403567476 |
403397161 |
0 |
0 |
T1 |
6301 |
5876 |
0 |
0 |
T2 |
84174 |
84094 |
0 |
0 |
T3 |
17324 |
17245 |
0 |
0 |
T4 |
1584 |
1500 |
0 |
0 |
T5 |
270398 |
270348 |
0 |
0 |
T6 |
15707 |
15621 |
0 |
0 |
T7 |
15170 |
15119 |
0 |
0 |
T8 |
22887 |
22798 |
0 |
0 |
T9 |
115622 |
115532 |
0 |
0 |
T10 |
83333 |
83253 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
403567476 |
403397161 |
0 |
0 |
T1 |
6301 |
5876 |
0 |
0 |
T2 |
84174 |
84094 |
0 |
0 |
T3 |
17324 |
17245 |
0 |
0 |
T4 |
1584 |
1500 |
0 |
0 |
T5 |
270398 |
270348 |
0 |
0 |
T6 |
15707 |
15621 |
0 |
0 |
T7 |
15170 |
15119 |
0 |
0 |
T8 |
22887 |
22798 |
0 |
0 |
T9 |
115622 |
115532 |
0 |
0 |
T10 |
83333 |
83253 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
403567476 |
403397161 |
0 |
0 |
T1 |
6301 |
5876 |
0 |
0 |
T2 |
84174 |
84094 |
0 |
0 |
T3 |
17324 |
17245 |
0 |
0 |
T4 |
1584 |
1500 |
0 |
0 |
T5 |
270398 |
270348 |
0 |
0 |
T6 |
15707 |
15621 |
0 |
0 |
T7 |
15170 |
15119 |
0 |
0 |
T8 |
22887 |
22798 |
0 |
0 |
T9 |
115622 |
115532 |
0 |
0 |
T10 |
83333 |
83253 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
403567476 |
25501602 |
0 |
0 |
T10 |
83333 |
884 |
0 |
0 |
T11 |
73129 |
3282 |
0 |
0 |
T12 |
0 |
1160 |
0 |
0 |
T13 |
0 |
555 |
0 |
0 |
T15 |
82001 |
8203 |
0 |
0 |
T19 |
0 |
206 |
0 |
0 |
T21 |
0 |
287 |
0 |
0 |
T25 |
29359 |
0 |
0 |
0 |
T43 |
0 |
150 |
0 |
0 |
T45 |
142623 |
0 |
0 |
0 |
T49 |
252002 |
0 |
0 |
0 |
T50 |
240129 |
0 |
0 |
0 |
T72 |
101644 |
0 |
0 |
0 |
T73 |
89132 |
0 |
0 |
0 |
T81 |
0 |
9643 |
0 |
0 |
T82 |
0 |
9083 |
0 |
0 |
T100 |
1038 |
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: T2 T3 T7
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 | T2,T3,T7 |
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,T7 |
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,T7 |
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,T7 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T2,T3,T7 |
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,T7 |
LINE 130
SUB-EXPRESSION (gen_normal_fifo.fifo_empty && wvalid_i)
-------------1------------ ----2---
-1- | -2- | Status | Tests |
0 | 1 | Covered | T2,T3,T7 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T2,T3,T7 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T2,T3,T7 |
1 | 0 | Covered | T2,T3,T7 |
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,T7 |
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 |
T2,T3,T7 |
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,T7 |
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,T7 |
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 |
403567476 |
33743995 |
0 |
0 |
T2 |
84174 |
41370 |
0 |
0 |
T3 |
17324 |
1987 |
0 |
0 |
T4 |
1584 |
0 |
0 |
0 |
T5 |
270398 |
0 |
0 |
0 |
T6 |
15707 |
0 |
0 |
0 |
T7 |
15170 |
4973 |
0 |
0 |
T8 |
22887 |
0 |
0 |
0 |
T9 |
115622 |
53664 |
0 |
0 |
T10 |
83333 |
0 |
0 |
0 |
T11 |
73129 |
0 |
0 |
0 |
T45 |
0 |
64978 |
0 |
0 |
T49 |
0 |
5384 |
0 |
0 |
T50 |
0 |
5173 |
0 |
0 |
T65 |
0 |
40546 |
0 |
0 |
T72 |
0 |
55324 |
0 |
0 |
T73 |
0 |
81030 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
403567476 |
403397161 |
0 |
0 |
T1 |
6301 |
5876 |
0 |
0 |
T2 |
84174 |
84094 |
0 |
0 |
T3 |
17324 |
17245 |
0 |
0 |
T4 |
1584 |
1500 |
0 |
0 |
T5 |
270398 |
270348 |
0 |
0 |
T6 |
15707 |
15621 |
0 |
0 |
T7 |
15170 |
15119 |
0 |
0 |
T8 |
22887 |
22798 |
0 |
0 |
T9 |
115622 |
115532 |
0 |
0 |
T10 |
83333 |
83253 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
403567476 |
403397161 |
0 |
0 |
T1 |
6301 |
5876 |
0 |
0 |
T2 |
84174 |
84094 |
0 |
0 |
T3 |
17324 |
17245 |
0 |
0 |
T4 |
1584 |
1500 |
0 |
0 |
T5 |
270398 |
270348 |
0 |
0 |
T6 |
15707 |
15621 |
0 |
0 |
T7 |
15170 |
15119 |
0 |
0 |
T8 |
22887 |
22798 |
0 |
0 |
T9 |
115622 |
115532 |
0 |
0 |
T10 |
83333 |
83253 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
403567476 |
403397161 |
0 |
0 |
T1 |
6301 |
5876 |
0 |
0 |
T2 |
84174 |
84094 |
0 |
0 |
T3 |
17324 |
17245 |
0 |
0 |
T4 |
1584 |
1500 |
0 |
0 |
T5 |
270398 |
270348 |
0 |
0 |
T6 |
15707 |
15621 |
0 |
0 |
T7 |
15170 |
15119 |
0 |
0 |
T8 |
22887 |
22798 |
0 |
0 |
T9 |
115622 |
115532 |
0 |
0 |
T10 |
83333 |
83253 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
403567476 |
33743995 |
0 |
0 |
T2 |
84174 |
41370 |
0 |
0 |
T3 |
17324 |
1987 |
0 |
0 |
T4 |
1584 |
0 |
0 |
0 |
T5 |
270398 |
0 |
0 |
0 |
T6 |
15707 |
0 |
0 |
0 |
T7 |
15170 |
4973 |
0 |
0 |
T8 |
22887 |
0 |
0 |
0 |
T9 |
115622 |
53664 |
0 |
0 |
T10 |
83333 |
0 |
0 |
0 |
T11 |
73129 |
0 |
0 |
0 |
T45 |
0 |
64978 |
0 |
0 |
T49 |
0 |
5384 |
0 |
0 |
T50 |
0 |
5173 |
0 |
0 |
T65 |
0 |
40546 |
0 |
0 |
T72 |
0 |
55324 |
0 |
0 |
T73 |
0 |
81030 |
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: T2 T3 T5
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 | T2,T3,T5 |
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,T5 |
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,T5 |
LINE 101
EXPRESSION (rvalid_o & rready_i & ((~gen_normal_fifo.under_rst)))
----1--- ----2--- ---------------3--------------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T191,T192,T193 |
1 | 0 | 1 | Covered | T2,T3,T5 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T2,T3,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,T5 |
LINE 130
SUB-EXPRESSION (gen_normal_fifo.fifo_empty && wvalid_i)
-------------1------------ ----2---
-1- | -2- | Status | Tests |
0 | 1 | Covered | T2,T3,T5 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T2,T3,T5 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T2,T3,T5 |
1 | 0 | Covered | T2,T3,T5 |
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,T5 |
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 |
T2,T3,T5 |
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,T5 |
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,T5 |
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 |
403567476 |
228596880 |
0 |
0 |
T2 |
84174 |
8239 |
0 |
0 |
T3 |
17324 |
14487 |
0 |
0 |
T4 |
1584 |
0 |
0 |
0 |
T5 |
270398 |
268224 |
0 |
0 |
T6 |
15707 |
0 |
0 |
0 |
T7 |
15170 |
3721 |
0 |
0 |
T8 |
22887 |
0 |
0 |
0 |
T9 |
115622 |
57743 |
0 |
0 |
T10 |
83333 |
0 |
0 |
0 |
T11 |
73129 |
0 |
0 |
0 |
T45 |
0 |
72366 |
0 |
0 |
T49 |
0 |
233126 |
0 |
0 |
T50 |
0 |
222981 |
0 |
0 |
T72 |
0 |
7987 |
0 |
0 |
T73 |
0 |
1622 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
403567476 |
403397161 |
0 |
0 |
T1 |
6301 |
5876 |
0 |
0 |
T2 |
84174 |
84094 |
0 |
0 |
T3 |
17324 |
17245 |
0 |
0 |
T4 |
1584 |
1500 |
0 |
0 |
T5 |
270398 |
270348 |
0 |
0 |
T6 |
15707 |
15621 |
0 |
0 |
T7 |
15170 |
15119 |
0 |
0 |
T8 |
22887 |
22798 |
0 |
0 |
T9 |
115622 |
115532 |
0 |
0 |
T10 |
83333 |
83253 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
403567476 |
403397161 |
0 |
0 |
T1 |
6301 |
5876 |
0 |
0 |
T2 |
84174 |
84094 |
0 |
0 |
T3 |
17324 |
17245 |
0 |
0 |
T4 |
1584 |
1500 |
0 |
0 |
T5 |
270398 |
270348 |
0 |
0 |
T6 |
15707 |
15621 |
0 |
0 |
T7 |
15170 |
15119 |
0 |
0 |
T8 |
22887 |
22798 |
0 |
0 |
T9 |
115622 |
115532 |
0 |
0 |
T10 |
83333 |
83253 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
403567476 |
403397161 |
0 |
0 |
T1 |
6301 |
5876 |
0 |
0 |
T2 |
84174 |
84094 |
0 |
0 |
T3 |
17324 |
17245 |
0 |
0 |
T4 |
1584 |
1500 |
0 |
0 |
T5 |
270398 |
270348 |
0 |
0 |
T6 |
15707 |
15621 |
0 |
0 |
T7 |
15170 |
15119 |
0 |
0 |
T8 |
22887 |
22798 |
0 |
0 |
T9 |
115622 |
115532 |
0 |
0 |
T10 |
83333 |
83253 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
403567476 |
228596880 |
0 |
0 |
T2 |
84174 |
8239 |
0 |
0 |
T3 |
17324 |
14487 |
0 |
0 |
T4 |
1584 |
0 |
0 |
0 |
T5 |
270398 |
268224 |
0 |
0 |
T6 |
15707 |
0 |
0 |
0 |
T7 |
15170 |
3721 |
0 |
0 |
T8 |
22887 |
0 |
0 |
0 |
T9 |
115622 |
57743 |
0 |
0 |
T10 |
83333 |
0 |
0 |
0 |
T11 |
73129 |
0 |
0 |
0 |
T45 |
0 |
72366 |
0 |
0 |
T49 |
0 |
233126 |
0 |
0 |
T50 |
0 |
222981 |
0 |
0 |
T72 |
0 |
7987 |
0 |
0 |
T73 |
0 |
1622 |
0 |
0 |