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,T7 |
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,T7 |
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 |
427215250 |
0 |
0 |
T2 |
20612 |
8401 |
0 |
0 |
T3 |
55604 |
3612 |
0 |
0 |
T4 |
3973232 |
282873 |
0 |
0 |
T5 |
169704 |
3604 |
0 |
0 |
T6 |
76968 |
802 |
0 |
0 |
T7 |
100576 |
10895 |
0 |
0 |
T8 |
58752 |
6014 |
0 |
0 |
T9 |
77536 |
8602 |
0 |
0 |
T10 |
117640 |
12984 |
0 |
0 |
T11 |
0 |
38499 |
0 |
0 |
T17 |
0 |
502 |
0 |
0 |
T19 |
0 |
210153 |
0 |
0 |
T27 |
0 |
131552 |
0 |
0 |
T28 |
0 |
32225 |
0 |
0 |
T30 |
0 |
9804 |
0 |
0 |
T49 |
461344 |
38917 |
0 |
0 |
T50 |
121428 |
3502 |
0 |
0 |
T78 |
92036 |
8038 |
0 |
0 |
T79 |
0 |
2887 |
0 |
0 |
T80 |
0 |
242533 |
0 |
0 |
T192 |
0 |
1 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
2147483647 |
0 |
0 |
T1 |
15384 |
14904 |
0 |
0 |
T2 |
82448 |
81928 |
0 |
0 |
T3 |
111208 |
105424 |
0 |
0 |
T4 |
3973232 |
3972528 |
0 |
0 |
T5 |
169704 |
169152 |
0 |
0 |
T6 |
76968 |
76432 |
0 |
0 |
T7 |
100576 |
99952 |
0 |
0 |
T8 |
58752 |
57992 |
0 |
0 |
T9 |
77536 |
77112 |
0 |
0 |
T10 |
117640 |
116952 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
2147483647 |
0 |
0 |
T1 |
15384 |
14904 |
0 |
0 |
T2 |
82448 |
81928 |
0 |
0 |
T3 |
111208 |
105424 |
0 |
0 |
T4 |
3973232 |
3972528 |
0 |
0 |
T5 |
169704 |
169152 |
0 |
0 |
T6 |
76968 |
76432 |
0 |
0 |
T7 |
100576 |
99952 |
0 |
0 |
T8 |
58752 |
57992 |
0 |
0 |
T9 |
77536 |
77112 |
0 |
0 |
T10 |
117640 |
116952 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
2147483647 |
0 |
0 |
T1 |
15384 |
14904 |
0 |
0 |
T2 |
82448 |
81928 |
0 |
0 |
T3 |
111208 |
105424 |
0 |
0 |
T4 |
3973232 |
3972528 |
0 |
0 |
T5 |
169704 |
169152 |
0 |
0 |
T6 |
76968 |
76432 |
0 |
0 |
T7 |
100576 |
99952 |
0 |
0 |
T8 |
58752 |
57992 |
0 |
0 |
T9 |
77536 |
77112 |
0 |
0 |
T10 |
117640 |
116952 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
427215250 |
0 |
0 |
T2 |
20612 |
8401 |
0 |
0 |
T3 |
55604 |
3612 |
0 |
0 |
T4 |
3973232 |
282873 |
0 |
0 |
T5 |
169704 |
3604 |
0 |
0 |
T6 |
76968 |
802 |
0 |
0 |
T7 |
100576 |
10895 |
0 |
0 |
T8 |
58752 |
6014 |
0 |
0 |
T9 |
77536 |
8602 |
0 |
0 |
T10 |
117640 |
12984 |
0 |
0 |
T11 |
0 |
38499 |
0 |
0 |
T17 |
0 |
502 |
0 |
0 |
T19 |
0 |
210153 |
0 |
0 |
T27 |
0 |
131552 |
0 |
0 |
T28 |
0 |
32225 |
0 |
0 |
T30 |
0 |
9804 |
0 |
0 |
T49 |
461344 |
38917 |
0 |
0 |
T50 |
121428 |
3502 |
0 |
0 |
T78 |
92036 |
8038 |
0 |
0 |
T79 |
0 |
2887 |
0 |
0 |
T80 |
0 |
242533 |
0 |
0 |
T192 |
0 |
1 |
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: T3 T7 T10
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 | T3,T7,T10 |
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 | T3,T7,T10 |
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 | T3,T7,T10 |
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 | T3,T7,T10 |
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 | T3,T7,T10 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Not Covered | |
1 | 0 | Covered | T3,T7,T10 |
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 | T3,T7,T10 |
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 |
T3,T7,T10 |
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 |
T3,T7,T10 |
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 |
T3,T7,T10 |
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 |
408961761 |
203585 |
0 |
0 |
T3 |
13901 |
9 |
0 |
0 |
T4 |
496654 |
0 |
0 |
0 |
T5 |
21213 |
0 |
0 |
0 |
T6 |
9621 |
0 |
0 |
0 |
T7 |
12572 |
3 |
0 |
0 |
T8 |
7344 |
0 |
0 |
0 |
T9 |
9692 |
0 |
0 |
0 |
T10 |
14705 |
64 |
0 |
0 |
T11 |
0 |
87 |
0 |
0 |
T27 |
0 |
55 |
0 |
0 |
T40 |
0 |
64 |
0 |
0 |
T41 |
0 |
528 |
0 |
0 |
T49 |
57668 |
0 |
0 |
0 |
T50 |
20238 |
0 |
0 |
0 |
T192 |
0 |
1 |
0 |
0 |
T193 |
0 |
1 |
0 |
0 |
T194 |
0 |
1 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
408961761 |
408787796 |
0 |
0 |
T1 |
1923 |
1863 |
0 |
0 |
T2 |
10306 |
10241 |
0 |
0 |
T3 |
13901 |
13178 |
0 |
0 |
T4 |
496654 |
496566 |
0 |
0 |
T5 |
21213 |
21144 |
0 |
0 |
T6 |
9621 |
9554 |
0 |
0 |
T7 |
12572 |
12494 |
0 |
0 |
T8 |
7344 |
7249 |
0 |
0 |
T9 |
9692 |
9639 |
0 |
0 |
T10 |
14705 |
14619 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
408961761 |
408787796 |
0 |
0 |
T1 |
1923 |
1863 |
0 |
0 |
T2 |
10306 |
10241 |
0 |
0 |
T3 |
13901 |
13178 |
0 |
0 |
T4 |
496654 |
496566 |
0 |
0 |
T5 |
21213 |
21144 |
0 |
0 |
T6 |
9621 |
9554 |
0 |
0 |
T7 |
12572 |
12494 |
0 |
0 |
T8 |
7344 |
7249 |
0 |
0 |
T9 |
9692 |
9639 |
0 |
0 |
T10 |
14705 |
14619 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
408961761 |
408787796 |
0 |
0 |
T1 |
1923 |
1863 |
0 |
0 |
T2 |
10306 |
10241 |
0 |
0 |
T3 |
13901 |
13178 |
0 |
0 |
T4 |
496654 |
496566 |
0 |
0 |
T5 |
21213 |
21144 |
0 |
0 |
T6 |
9621 |
9554 |
0 |
0 |
T7 |
12572 |
12494 |
0 |
0 |
T8 |
7344 |
7249 |
0 |
0 |
T9 |
9692 |
9639 |
0 |
0 |
T10 |
14705 |
14619 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
408961761 |
203585 |
0 |
0 |
T3 |
13901 |
9 |
0 |
0 |
T4 |
496654 |
0 |
0 |
0 |
T5 |
21213 |
0 |
0 |
0 |
T6 |
9621 |
0 |
0 |
0 |
T7 |
12572 |
3 |
0 |
0 |
T8 |
7344 |
0 |
0 |
0 |
T9 |
9692 |
0 |
0 |
0 |
T10 |
14705 |
64 |
0 |
0 |
T11 |
0 |
87 |
0 |
0 |
T27 |
0 |
55 |
0 |
0 |
T40 |
0 |
64 |
0 |
0 |
T41 |
0 |
528 |
0 |
0 |
T49 |
57668 |
0 |
0 |
0 |
T50 |
20238 |
0 |
0 |
0 |
T192 |
0 |
1 |
0 |
0 |
T193 |
0 |
1 |
0 |
0 |
T194 |
0 |
1 |
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 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_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,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 | T19,T12,T161 |
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 | T19,T12,T161 |
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_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,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_fmt_fifo_sram_adapter.u_inp_buf
Assertion Details
DataKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
408961761 |
207368 |
0 |
0 |
T2 |
10306 |
134 |
0 |
0 |
T3 |
13901 |
29 |
0 |
0 |
T4 |
496654 |
0 |
0 |
0 |
T5 |
21213 |
0 |
0 |
0 |
T6 |
9621 |
0 |
0 |
0 |
T7 |
12572 |
2 |
0 |
0 |
T8 |
7344 |
0 |
0 |
0 |
T9 |
9692 |
0 |
0 |
0 |
T10 |
14705 |
2 |
0 |
0 |
T11 |
0 |
82 |
0 |
0 |
T17 |
0 |
17 |
0 |
0 |
T19 |
0 |
1155 |
0 |
0 |
T27 |
0 |
7 |
0 |
0 |
T28 |
0 |
147 |
0 |
0 |
T30 |
0 |
155 |
0 |
0 |
T49 |
57668 |
0 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
408961761 |
408787796 |
0 |
0 |
T1 |
1923 |
1863 |
0 |
0 |
T2 |
10306 |
10241 |
0 |
0 |
T3 |
13901 |
13178 |
0 |
0 |
T4 |
496654 |
496566 |
0 |
0 |
T5 |
21213 |
21144 |
0 |
0 |
T6 |
9621 |
9554 |
0 |
0 |
T7 |
12572 |
12494 |
0 |
0 |
T8 |
7344 |
7249 |
0 |
0 |
T9 |
9692 |
9639 |
0 |
0 |
T10 |
14705 |
14619 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
408961761 |
408787796 |
0 |
0 |
T1 |
1923 |
1863 |
0 |
0 |
T2 |
10306 |
10241 |
0 |
0 |
T3 |
13901 |
13178 |
0 |
0 |
T4 |
496654 |
496566 |
0 |
0 |
T5 |
21213 |
21144 |
0 |
0 |
T6 |
9621 |
9554 |
0 |
0 |
T7 |
12572 |
12494 |
0 |
0 |
T8 |
7344 |
7249 |
0 |
0 |
T9 |
9692 |
9639 |
0 |
0 |
T10 |
14705 |
14619 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
408961761 |
408787796 |
0 |
0 |
T1 |
1923 |
1863 |
0 |
0 |
T2 |
10306 |
10241 |
0 |
0 |
T3 |
13901 |
13178 |
0 |
0 |
T4 |
496654 |
496566 |
0 |
0 |
T5 |
21213 |
21144 |
0 |
0 |
T6 |
9621 |
9554 |
0 |
0 |
T7 |
12572 |
12494 |
0 |
0 |
T8 |
7344 |
7249 |
0 |
0 |
T9 |
9692 |
9639 |
0 |
0 |
T10 |
14705 |
14619 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
408961761 |
207368 |
0 |
0 |
T2 |
10306 |
134 |
0 |
0 |
T3 |
13901 |
29 |
0 |
0 |
T4 |
496654 |
0 |
0 |
0 |
T5 |
21213 |
0 |
0 |
0 |
T6 |
9621 |
0 |
0 |
0 |
T7 |
12572 |
2 |
0 |
0 |
T8 |
7344 |
0 |
0 |
0 |
T9 |
9692 |
0 |
0 |
0 |
T10 |
14705 |
2 |
0 |
0 |
T11 |
0 |
82 |
0 |
0 |
T17 |
0 |
17 |
0 |
0 |
T19 |
0 |
1155 |
0 |
0 |
T27 |
0 |
7 |
0 |
0 |
T28 |
0 |
147 |
0 |
0 |
T30 |
0 |
155 |
0 |
0 |
T49 |
57668 |
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: T4 T5 T6
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 | T4,T5,T6 |
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 | T4,T5,T6 |
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,T195 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T4,T5,T6 |
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 | T4,T5,T6 |
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 | T4,T5,T6 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T4,T5,T195 |
1 | 0 | Covered | T4,T5,T6 |
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 | T4,T5,T6 |
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 |
T4,T5,T6 |
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 |
T4,T5,T6 |
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 |
T4,T5,T6 |
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 |
408961761 |
162950 |
0 |
0 |
T4 |
496654 |
1107 |
0 |
0 |
T5 |
21213 |
113 |
0 |
0 |
T6 |
9621 |
20 |
0 |
0 |
T7 |
12572 |
0 |
0 |
0 |
T8 |
7344 |
44 |
0 |
0 |
T9 |
9692 |
0 |
0 |
0 |
T10 |
14705 |
0 |
0 |
0 |
T49 |
57668 |
121 |
0 |
0 |
T50 |
20238 |
112 |
0 |
0 |
T51 |
0 |
177 |
0 |
0 |
T78 |
23009 |
71 |
0 |
0 |
T79 |
0 |
310 |
0 |
0 |
T80 |
0 |
13 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
408961761 |
408787796 |
0 |
0 |
T1 |
1923 |
1863 |
0 |
0 |
T2 |
10306 |
10241 |
0 |
0 |
T3 |
13901 |
13178 |
0 |
0 |
T4 |
496654 |
496566 |
0 |
0 |
T5 |
21213 |
21144 |
0 |
0 |
T6 |
9621 |
9554 |
0 |
0 |
T7 |
12572 |
12494 |
0 |
0 |
T8 |
7344 |
7249 |
0 |
0 |
T9 |
9692 |
9639 |
0 |
0 |
T10 |
14705 |
14619 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
408961761 |
408787796 |
0 |
0 |
T1 |
1923 |
1863 |
0 |
0 |
T2 |
10306 |
10241 |
0 |
0 |
T3 |
13901 |
13178 |
0 |
0 |
T4 |
496654 |
496566 |
0 |
0 |
T5 |
21213 |
21144 |
0 |
0 |
T6 |
9621 |
9554 |
0 |
0 |
T7 |
12572 |
12494 |
0 |
0 |
T8 |
7344 |
7249 |
0 |
0 |
T9 |
9692 |
9639 |
0 |
0 |
T10 |
14705 |
14619 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
408961761 |
408787796 |
0 |
0 |
T1 |
1923 |
1863 |
0 |
0 |
T2 |
10306 |
10241 |
0 |
0 |
T3 |
13901 |
13178 |
0 |
0 |
T4 |
496654 |
496566 |
0 |
0 |
T5 |
21213 |
21144 |
0 |
0 |
T6 |
9621 |
9554 |
0 |
0 |
T7 |
12572 |
12494 |
0 |
0 |
T8 |
7344 |
7249 |
0 |
0 |
T9 |
9692 |
9639 |
0 |
0 |
T10 |
14705 |
14619 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
408961761 |
162950 |
0 |
0 |
T4 |
496654 |
1107 |
0 |
0 |
T5 |
21213 |
113 |
0 |
0 |
T6 |
9621 |
20 |
0 |
0 |
T7 |
12572 |
0 |
0 |
0 |
T8 |
7344 |
44 |
0 |
0 |
T9 |
9692 |
0 |
0 |
0 |
T10 |
14705 |
0 |
0 |
0 |
T49 |
57668 |
121 |
0 |
0 |
T50 |
20238 |
112 |
0 |
0 |
T51 |
0 |
177 |
0 |
0 |
T78 |
23009 |
71 |
0 |
0 |
T79 |
0 |
310 |
0 |
0 |
T80 |
0 |
13 |
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: T4 T5 T6
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 | T4,T5,T6 |
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 | T4,T5,T6 |
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 | T196,T197,T198 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T4,T5,T6 |
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 | T4,T5,T6 |
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 | T4,T5,T6 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T196,T197,T198 |
1 | 0 | Covered | T4,T5,T6 |
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 | T4,T5,T6 |
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 |
T4,T5,T6 |
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 |
T4,T5,T6 |
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 |
T4,T5,T6 |
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 |
408961761 |
326143 |
0 |
0 |
T4 |
496654 |
1763 |
0 |
0 |
T5 |
21213 |
15 |
0 |
0 |
T6 |
9621 |
2 |
0 |
0 |
T7 |
12572 |
0 |
0 |
0 |
T8 |
7344 |
5 |
0 |
0 |
T9 |
9692 |
54 |
0 |
0 |
T10 |
14705 |
0 |
0 |
0 |
T49 |
57668 |
311 |
0 |
0 |
T50 |
20238 |
12 |
0 |
0 |
T78 |
23009 |
59 |
0 |
0 |
T79 |
0 |
439 |
0 |
0 |
T80 |
0 |
31 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
408961761 |
408787796 |
0 |
0 |
T1 |
1923 |
1863 |
0 |
0 |
T2 |
10306 |
10241 |
0 |
0 |
T3 |
13901 |
13178 |
0 |
0 |
T4 |
496654 |
496566 |
0 |
0 |
T5 |
21213 |
21144 |
0 |
0 |
T6 |
9621 |
9554 |
0 |
0 |
T7 |
12572 |
12494 |
0 |
0 |
T8 |
7344 |
7249 |
0 |
0 |
T9 |
9692 |
9639 |
0 |
0 |
T10 |
14705 |
14619 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
408961761 |
408787796 |
0 |
0 |
T1 |
1923 |
1863 |
0 |
0 |
T2 |
10306 |
10241 |
0 |
0 |
T3 |
13901 |
13178 |
0 |
0 |
T4 |
496654 |
496566 |
0 |
0 |
T5 |
21213 |
21144 |
0 |
0 |
T6 |
9621 |
9554 |
0 |
0 |
T7 |
12572 |
12494 |
0 |
0 |
T8 |
7344 |
7249 |
0 |
0 |
T9 |
9692 |
9639 |
0 |
0 |
T10 |
14705 |
14619 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
408961761 |
408787796 |
0 |
0 |
T1 |
1923 |
1863 |
0 |
0 |
T2 |
10306 |
10241 |
0 |
0 |
T3 |
13901 |
13178 |
0 |
0 |
T4 |
496654 |
496566 |
0 |
0 |
T5 |
21213 |
21144 |
0 |
0 |
T6 |
9621 |
9554 |
0 |
0 |
T7 |
12572 |
12494 |
0 |
0 |
T8 |
7344 |
7249 |
0 |
0 |
T9 |
9692 |
9639 |
0 |
0 |
T10 |
14705 |
14619 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
408961761 |
326143 |
0 |
0 |
T4 |
496654 |
1763 |
0 |
0 |
T5 |
21213 |
15 |
0 |
0 |
T6 |
9621 |
2 |
0 |
0 |
T7 |
12572 |
0 |
0 |
0 |
T8 |
7344 |
5 |
0 |
0 |
T9 |
9692 |
54 |
0 |
0 |
T10 |
14705 |
0 |
0 |
0 |
T49 |
57668 |
311 |
0 |
0 |
T50 |
20238 |
12 |
0 |
0 |
T78 |
23009 |
59 |
0 |
0 |
T79 |
0 |
439 |
0 |
0 |
T80 |
0 |
31 |
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 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_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,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 | T3,T7,T10 |
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_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,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_fmt_fifo_sram_adapter.u_oup_buf
Assertion Details
DataKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
408961761 |
113162089 |
0 |
0 |
T2 |
10306 |
8267 |
0 |
0 |
T3 |
13901 |
3574 |
0 |
0 |
T4 |
496654 |
0 |
0 |
0 |
T5 |
21213 |
0 |
0 |
0 |
T6 |
9621 |
0 |
0 |
0 |
T7 |
12572 |
10890 |
0 |
0 |
T8 |
7344 |
0 |
0 |
0 |
T9 |
9692 |
0 |
0 |
0 |
T10 |
14705 |
12918 |
0 |
0 |
T11 |
0 |
38330 |
0 |
0 |
T17 |
0 |
485 |
0 |
0 |
T19 |
0 |
208998 |
0 |
0 |
T27 |
0 |
131490 |
0 |
0 |
T28 |
0 |
32078 |
0 |
0 |
T30 |
0 |
9649 |
0 |
0 |
T49 |
57668 |
0 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
408961761 |
408787796 |
0 |
0 |
T1 |
1923 |
1863 |
0 |
0 |
T2 |
10306 |
10241 |
0 |
0 |
T3 |
13901 |
13178 |
0 |
0 |
T4 |
496654 |
496566 |
0 |
0 |
T5 |
21213 |
21144 |
0 |
0 |
T6 |
9621 |
9554 |
0 |
0 |
T7 |
12572 |
12494 |
0 |
0 |
T8 |
7344 |
7249 |
0 |
0 |
T9 |
9692 |
9639 |
0 |
0 |
T10 |
14705 |
14619 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
408961761 |
408787796 |
0 |
0 |
T1 |
1923 |
1863 |
0 |
0 |
T2 |
10306 |
10241 |
0 |
0 |
T3 |
13901 |
13178 |
0 |
0 |
T4 |
496654 |
496566 |
0 |
0 |
T5 |
21213 |
21144 |
0 |
0 |
T6 |
9621 |
9554 |
0 |
0 |
T7 |
12572 |
12494 |
0 |
0 |
T8 |
7344 |
7249 |
0 |
0 |
T9 |
9692 |
9639 |
0 |
0 |
T10 |
14705 |
14619 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
408961761 |
408787796 |
0 |
0 |
T1 |
1923 |
1863 |
0 |
0 |
T2 |
10306 |
10241 |
0 |
0 |
T3 |
13901 |
13178 |
0 |
0 |
T4 |
496654 |
496566 |
0 |
0 |
T5 |
21213 |
21144 |
0 |
0 |
T6 |
9621 |
9554 |
0 |
0 |
T7 |
12572 |
12494 |
0 |
0 |
T8 |
7344 |
7249 |
0 |
0 |
T9 |
9692 |
9639 |
0 |
0 |
T10 |
14705 |
14619 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
408961761 |
113162089 |
0 |
0 |
T2 |
10306 |
8267 |
0 |
0 |
T3 |
13901 |
3574 |
0 |
0 |
T4 |
496654 |
0 |
0 |
0 |
T5 |
21213 |
0 |
0 |
0 |
T6 |
9621 |
0 |
0 |
0 |
T7 |
12572 |
10890 |
0 |
0 |
T8 |
7344 |
0 |
0 |
0 |
T9 |
9692 |
0 |
0 |
0 |
T10 |
14705 |
12918 |
0 |
0 |
T11 |
0 |
38330 |
0 |
0 |
T17 |
0 |
485 |
0 |
0 |
T19 |
0 |
208998 |
0 |
0 |
T27 |
0 |
131490 |
0 |
0 |
T28 |
0 |
32078 |
0 |
0 |
T30 |
0 |
9649 |
0 |
0 |
T49 |
57668 |
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: T3 T7 T10
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 | T10,T40,T86 |
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 | T3,T7,T10 |
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 | T3,T7,T10 |
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 | T3,T7,T10 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T3,T7,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 | T3,T7,T10 |
LINE 130
SUB-EXPRESSION (gen_normal_fifo.fifo_empty && wvalid_i)
-------------1------------ ----2---
-1- | -2- | Status | Tests |
0 | 1 | Covered | T10,T40,T86 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T3,T7,T10 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T3,T7,T10 |
1 | 0 | Covered | T3,T7,T10 |
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 | T3,T7,T10 |
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 |
T3,T7,T10 |
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 |
T3,T7,T10 |
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 |
T3,T7,T10 |
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 |
408961761 |
26407469 |
0 |
0 |
T3 |
13901 |
205 |
0 |
0 |
T4 |
496654 |
0 |
0 |
0 |
T5 |
21213 |
0 |
0 |
0 |
T6 |
9621 |
0 |
0 |
0 |
T7 |
12572 |
22 |
0 |
0 |
T8 |
7344 |
0 |
0 |
0 |
T9 |
9692 |
0 |
0 |
0 |
T10 |
14705 |
12479 |
0 |
0 |
T11 |
0 |
1879 |
0 |
0 |
T27 |
0 |
1728 |
0 |
0 |
T40 |
0 |
9076 |
0 |
0 |
T41 |
0 |
11537 |
0 |
0 |
T49 |
57668 |
0 |
0 |
0 |
T50 |
20238 |
0 |
0 |
0 |
T192 |
0 |
8 |
0 |
0 |
T193 |
0 |
7 |
0 |
0 |
T194 |
0 |
34 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
408961761 |
408787796 |
0 |
0 |
T1 |
1923 |
1863 |
0 |
0 |
T2 |
10306 |
10241 |
0 |
0 |
T3 |
13901 |
13178 |
0 |
0 |
T4 |
496654 |
496566 |
0 |
0 |
T5 |
21213 |
21144 |
0 |
0 |
T6 |
9621 |
9554 |
0 |
0 |
T7 |
12572 |
12494 |
0 |
0 |
T8 |
7344 |
7249 |
0 |
0 |
T9 |
9692 |
9639 |
0 |
0 |
T10 |
14705 |
14619 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
408961761 |
408787796 |
0 |
0 |
T1 |
1923 |
1863 |
0 |
0 |
T2 |
10306 |
10241 |
0 |
0 |
T3 |
13901 |
13178 |
0 |
0 |
T4 |
496654 |
496566 |
0 |
0 |
T5 |
21213 |
21144 |
0 |
0 |
T6 |
9621 |
9554 |
0 |
0 |
T7 |
12572 |
12494 |
0 |
0 |
T8 |
7344 |
7249 |
0 |
0 |
T9 |
9692 |
9639 |
0 |
0 |
T10 |
14705 |
14619 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
408961761 |
408787796 |
0 |
0 |
T1 |
1923 |
1863 |
0 |
0 |
T2 |
10306 |
10241 |
0 |
0 |
T3 |
13901 |
13178 |
0 |
0 |
T4 |
496654 |
496566 |
0 |
0 |
T5 |
21213 |
21144 |
0 |
0 |
T6 |
9621 |
9554 |
0 |
0 |
T7 |
12572 |
12494 |
0 |
0 |
T8 |
7344 |
7249 |
0 |
0 |
T9 |
9692 |
9639 |
0 |
0 |
T10 |
14705 |
14619 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
408961761 |
26407469 |
0 |
0 |
T3 |
13901 |
205 |
0 |
0 |
T4 |
496654 |
0 |
0 |
0 |
T5 |
21213 |
0 |
0 |
0 |
T6 |
9621 |
0 |
0 |
0 |
T7 |
12572 |
22 |
0 |
0 |
T8 |
7344 |
0 |
0 |
0 |
T9 |
9692 |
0 |
0 |
0 |
T10 |
14705 |
12479 |
0 |
0 |
T11 |
0 |
1879 |
0 |
0 |
T27 |
0 |
1728 |
0 |
0 |
T40 |
0 |
9076 |
0 |
0 |
T41 |
0 |
11537 |
0 |
0 |
T49 |
57668 |
0 |
0 |
0 |
T50 |
20238 |
0 |
0 |
0 |
T192 |
0 |
8 |
0 |
0 |
T193 |
0 |
7 |
0 |
0 |
T194 |
0 |
34 |
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: T4 T5 T6
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 | T4,T5,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 | T4,T5,T6 |
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 | T4,T5,T6 |
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 | T4,T5,T6 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T4,T5,T6 |
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 | T4,T5,T6 |
LINE 130
SUB-EXPRESSION (gen_normal_fifo.fifo_empty && wvalid_i)
-------------1------------ ----2---
-1- | -2- | Status | Tests |
0 | 1 | Covered | T4,T5,T6 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T4,T5,T6 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T4,T5,T6 |
1 | 0 | Covered | T4,T5,T6 |
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 | T4,T5,T6 |
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 |
T4,T5,T6 |
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 |
T4,T5,T6 |
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 |
T4,T5,T6 |
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 |
408961761 |
31758861 |
0 |
0 |
T4 |
496654 |
197040 |
0 |
0 |
T5 |
21213 |
8248 |
0 |
0 |
T6 |
9621 |
3660 |
0 |
0 |
T7 |
12572 |
0 |
0 |
0 |
T8 |
7344 |
6333 |
0 |
0 |
T9 |
9692 |
0 |
0 |
0 |
T10 |
14705 |
0 |
0 |
0 |
T49 |
57668 |
18354 |
0 |
0 |
T50 |
20238 |
18774 |
0 |
0 |
T51 |
0 |
27398 |
0 |
0 |
T78 |
23009 |
11519 |
0 |
0 |
T79 |
0 |
104810 |
0 |
0 |
T80 |
0 |
2110 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
408961761 |
408787796 |
0 |
0 |
T1 |
1923 |
1863 |
0 |
0 |
T2 |
10306 |
10241 |
0 |
0 |
T3 |
13901 |
13178 |
0 |
0 |
T4 |
496654 |
496566 |
0 |
0 |
T5 |
21213 |
21144 |
0 |
0 |
T6 |
9621 |
9554 |
0 |
0 |
T7 |
12572 |
12494 |
0 |
0 |
T8 |
7344 |
7249 |
0 |
0 |
T9 |
9692 |
9639 |
0 |
0 |
T10 |
14705 |
14619 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
408961761 |
408787796 |
0 |
0 |
T1 |
1923 |
1863 |
0 |
0 |
T2 |
10306 |
10241 |
0 |
0 |
T3 |
13901 |
13178 |
0 |
0 |
T4 |
496654 |
496566 |
0 |
0 |
T5 |
21213 |
21144 |
0 |
0 |
T6 |
9621 |
9554 |
0 |
0 |
T7 |
12572 |
12494 |
0 |
0 |
T8 |
7344 |
7249 |
0 |
0 |
T9 |
9692 |
9639 |
0 |
0 |
T10 |
14705 |
14619 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
408961761 |
408787796 |
0 |
0 |
T1 |
1923 |
1863 |
0 |
0 |
T2 |
10306 |
10241 |
0 |
0 |
T3 |
13901 |
13178 |
0 |
0 |
T4 |
496654 |
496566 |
0 |
0 |
T5 |
21213 |
21144 |
0 |
0 |
T6 |
9621 |
9554 |
0 |
0 |
T7 |
12572 |
12494 |
0 |
0 |
T8 |
7344 |
7249 |
0 |
0 |
T9 |
9692 |
9639 |
0 |
0 |
T10 |
14705 |
14619 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
408961761 |
31758861 |
0 |
0 |
T4 |
496654 |
197040 |
0 |
0 |
T5 |
21213 |
8248 |
0 |
0 |
T6 |
9621 |
3660 |
0 |
0 |
T7 |
12572 |
0 |
0 |
0 |
T8 |
7344 |
6333 |
0 |
0 |
T9 |
9692 |
0 |
0 |
0 |
T10 |
14705 |
0 |
0 |
0 |
T49 |
57668 |
18354 |
0 |
0 |
T50 |
20238 |
18774 |
0 |
0 |
T51 |
0 |
27398 |
0 |
0 |
T78 |
23009 |
11519 |
0 |
0 |
T79 |
0 |
104810 |
0 |
0 |
T80 |
0 |
2110 |
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: T4 T5 T6
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 | T4,T5,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 | T4,T5,T6 |
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 | T4,T5,T6 |
LINE 101
EXPRESSION (rvalid_o & rready_i & ((~gen_normal_fifo.under_rst)))
----1--- ----2--- ---------------3--------------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T199,T200,T201 |
1 | 0 | 1 | Covered | T4,T5,T6 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T4,T5,T6 |
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 | T4,T5,T6 |
LINE 130
SUB-EXPRESSION (gen_normal_fifo.fifo_empty && wvalid_i)
-------------1------------ ----2---
-1- | -2- | Status | Tests |
0 | 1 | Covered | T4,T5,T8 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T4,T5,T6 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T4,T5,T6 |
1 | 0 | Covered | T4,T5,T6 |
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 | T4,T5,T6 |
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 |
T4,T5,T6 |
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 |
T4,T5,T6 |
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 |
T4,T5,T6 |
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 |
408961761 |
254986785 |
0 |
0 |
T4 |
496654 |
281110 |
0 |
0 |
T5 |
21213 |
3589 |
0 |
0 |
T6 |
9621 |
800 |
0 |
0 |
T7 |
12572 |
0 |
0 |
0 |
T8 |
7344 |
6009 |
0 |
0 |
T9 |
9692 |
8548 |
0 |
0 |
T10 |
14705 |
0 |
0 |
0 |
T49 |
57668 |
38606 |
0 |
0 |
T50 |
20238 |
3490 |
0 |
0 |
T78 |
23009 |
7979 |
0 |
0 |
T79 |
0 |
2448 |
0 |
0 |
T80 |
0 |
242502 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
408961761 |
408787796 |
0 |
0 |
T1 |
1923 |
1863 |
0 |
0 |
T2 |
10306 |
10241 |
0 |
0 |
T3 |
13901 |
13178 |
0 |
0 |
T4 |
496654 |
496566 |
0 |
0 |
T5 |
21213 |
21144 |
0 |
0 |
T6 |
9621 |
9554 |
0 |
0 |
T7 |
12572 |
12494 |
0 |
0 |
T8 |
7344 |
7249 |
0 |
0 |
T9 |
9692 |
9639 |
0 |
0 |
T10 |
14705 |
14619 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
408961761 |
408787796 |
0 |
0 |
T1 |
1923 |
1863 |
0 |
0 |
T2 |
10306 |
10241 |
0 |
0 |
T3 |
13901 |
13178 |
0 |
0 |
T4 |
496654 |
496566 |
0 |
0 |
T5 |
21213 |
21144 |
0 |
0 |
T6 |
9621 |
9554 |
0 |
0 |
T7 |
12572 |
12494 |
0 |
0 |
T8 |
7344 |
7249 |
0 |
0 |
T9 |
9692 |
9639 |
0 |
0 |
T10 |
14705 |
14619 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
408961761 |
408787796 |
0 |
0 |
T1 |
1923 |
1863 |
0 |
0 |
T2 |
10306 |
10241 |
0 |
0 |
T3 |
13901 |
13178 |
0 |
0 |
T4 |
496654 |
496566 |
0 |
0 |
T5 |
21213 |
21144 |
0 |
0 |
T6 |
9621 |
9554 |
0 |
0 |
T7 |
12572 |
12494 |
0 |
0 |
T8 |
7344 |
7249 |
0 |
0 |
T9 |
9692 |
9639 |
0 |
0 |
T10 |
14705 |
14619 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
408961761 |
254986785 |
0 |
0 |
T4 |
496654 |
281110 |
0 |
0 |
T5 |
21213 |
3589 |
0 |
0 |
T6 |
9621 |
800 |
0 |
0 |
T7 |
12572 |
0 |
0 |
0 |
T8 |
7344 |
6009 |
0 |
0 |
T9 |
9692 |
8548 |
0 |
0 |
T10 |
14705 |
0 |
0 |
0 |
T49 |
57668 |
38606 |
0 |
0 |
T50 |
20238 |
3490 |
0 |
0 |
T78 |
23009 |
7979 |
0 |
0 |
T79 |
0 |
2448 |
0 |
0 |
T80 |
0 |
242502 |
0 |
0 |