Line Coverage for Instance : tb.dut.u_readcmd.u_readsram.u_sram_fifo
| Line No. | Total | Covered | Percent |
TOTAL | | 15 | 15 | 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 | 108 | 1 | 1 | 100.00 |
ALWAYS | 111 | 2 | 2 | 100.00 |
CONT_ASSIGN | 116 | 1 | 1 | 100.00 |
CONT_ASSIGN | 130 | 1 | 1 | 100.00 |
CONT_ASSIGN | 131 | 1 | 1 | 100.00 |
CONT_ASSIGN | 140 | 1 | 1 | 100.00 |
68 always_ff @(posedge clk_i or negedge rst_ni) begin
69 1/1 if (!rst_ni) begin
Tests: T1 T2 T3
70 1/1 under_rst <= 1'b1;
Tests: T1 T2 T3
71 1/1 end else if (under_rst) begin
Tests: T6 T7 T8
72 1/1 under_rst <= ~under_rst;
Tests: T6 T7 T8
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 1/1 assign storage_rdata = storage[0];
Tests: T6 T7 T8
109
110 always_ff @(posedge clk_i)
111 1/1 if (fifo_incr_wptr) begin
Tests: T4 T5 T6
112 1/1 storage[0] <= wdata_i;
Tests: T6 T7 T8
113 end
MISSING_ELSE
114
115 logic unused_ptrs;
116 1/1 assign unused_ptrs = ^{fifo_wptr, fifo_rptr};
Tests: T1 T2 T3
117
118 // fifo with more than one storage element
119 end else begin : gen_depth_gt1
120 assign storage_rdata = storage[fifo_rptr];
121
122 always_ff @(posedge clk_i)
123 if (fifo_incr_wptr) begin
124 storage[fifo_wptr] <= wdata_i;
125 end
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 assign rdata_o = empty ? Width'(0) : rdata_int;
139 end else begin : gen_no_output_zero
140 1/1 assign rdata_o = rdata_int;
Tests: T6 T7 T8
Cond Coverage for Instance : tb.dut.u_readcmd.u_readsram.u_sram_fifo
| Total | Covered | Percent |
Conditions | 22 | 16 | 72.73 |
Logical | 22 | 16 | 72.73 |
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 | T6,T7,T8 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T6,T7,T8 |
LINE 82
EXPRESSION (((~gen_normal_fifo.empty)) & ((~gen_normal_fifo.under_rst)))
-------------1------------ ---------------2--------------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T6,T7,T8 |
1 | 0 | Not Covered | |
1 | 1 | Covered | T6,T7,T8 |
LINE 100
EXPRESSION (wvalid_i & wready_o & ((~gen_normal_fifo.under_rst)))
----1--- ----2--- ---------------3--------------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T6,T7,T8 |
1 | 0 | 1 | Not Covered | |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T6,T7,T8 |
LINE 101
EXPRESSION (rvalid_o & rready_i & ((~gen_normal_fifo.under_rst)))
----1--- ----2--- ---------------3--------------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Not Covered | |
1 | 0 | 1 | Covered | T6,T7,T8 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T6,T7,T8 |
LINE 130
EXPRESSION ((gen_normal_fifo.fifo_empty && wvalid_i) ? wdata_i : gen_normal_fifo.storage_rdata)
--------------------1-------------------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T6,T7,T8 |
LINE 130
SUB-EXPRESSION (gen_normal_fifo.fifo_empty && wvalid_i)
-------------1------------ ----2---
-1- | -2- | Status | Tests |
0 | 1 | Not Covered | |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T6,T7,T8 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T6,T7,T8 |
1 | 0 | Covered | T6,T7,T8 |
1 | 1 | Covered | T1,T2,T3 |
Branch Coverage for Instance : tb.dut.u_readcmd.u_readsram.u_sram_fifo
| Line No. | Total | Covered | Percent |
Branches |
|
7 |
7 |
100.00 |
TERNARY |
130 |
2 |
2 |
100.00 |
IF |
69 |
3 |
3 |
100.00 |
IF |
111 |
2 |
2 |
100.00 |
130 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T6,T7,T8 |
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 |
T6,T7,T8 |
0 |
0 |
Covered |
T6,T7,T8 |
111 if (fifo_incr_wptr) begin
-1-
112 storage[0] <= wdata_i;
==>
113 end
MISSING_ELSE
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T6,T7,T8 |
0 |
Covered |
T4,T5,T6 |
Assert Coverage for Instance : tb.dut.u_readcmd.u_readsram.u_sram_fifo
Assertion Details
DataKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
153693968 |
23695528 |
0 |
0 |
T6 |
48835 |
26524 |
0 |
0 |
T7 |
4226 |
36 |
0 |
0 |
T8 |
6798 |
2446 |
0 |
0 |
T9 |
23898 |
2174 |
0 |
0 |
T10 |
123826 |
9864 |
0 |
0 |
T11 |
72104 |
0 |
0 |
0 |
T12 |
13543 |
12420 |
0 |
0 |
T13 |
18624 |
0 |
0 |
0 |
T14 |
7084 |
207 |
0 |
0 |
T17 |
0 |
7940 |
0 |
0 |
T18 |
0 |
42 |
0 |
0 |
T25 |
216 |
0 |
0 |
0 |
T39 |
0 |
1828 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
153693968 |
127219412 |
0 |
0 |
T6 |
48835 |
48592 |
0 |
0 |
T7 |
4226 |
4226 |
0 |
0 |
T8 |
6798 |
6798 |
0 |
0 |
T9 |
23898 |
23376 |
0 |
0 |
T10 |
123826 |
123826 |
0 |
0 |
T11 |
72104 |
0 |
0 |
0 |
T12 |
13543 |
13543 |
0 |
0 |
T13 |
18624 |
18624 |
0 |
0 |
T14 |
7084 |
7084 |
0 |
0 |
T17 |
0 |
12416 |
0 |
0 |
T18 |
0 |
42920 |
0 |
0 |
T25 |
216 |
0 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
153693968 |
127219412 |
0 |
0 |
T6 |
48835 |
48592 |
0 |
0 |
T7 |
4226 |
4226 |
0 |
0 |
T8 |
6798 |
6798 |
0 |
0 |
T9 |
23898 |
23376 |
0 |
0 |
T10 |
123826 |
123826 |
0 |
0 |
T11 |
72104 |
0 |
0 |
0 |
T12 |
13543 |
13543 |
0 |
0 |
T13 |
18624 |
18624 |
0 |
0 |
T14 |
7084 |
7084 |
0 |
0 |
T17 |
0 |
12416 |
0 |
0 |
T18 |
0 |
42920 |
0 |
0 |
T25 |
216 |
0 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
153693968 |
127219412 |
0 |
0 |
T6 |
48835 |
48592 |
0 |
0 |
T7 |
4226 |
4226 |
0 |
0 |
T8 |
6798 |
6798 |
0 |
0 |
T9 |
23898 |
23376 |
0 |
0 |
T10 |
123826 |
123826 |
0 |
0 |
T11 |
72104 |
0 |
0 |
0 |
T12 |
13543 |
13543 |
0 |
0 |
T13 |
18624 |
18624 |
0 |
0 |
T14 |
7084 |
7084 |
0 |
0 |
T17 |
0 |
12416 |
0 |
0 |
T18 |
0 |
42920 |
0 |
0 |
T25 |
216 |
0 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
153693968 |
23695528 |
0 |
0 |
T6 |
48835 |
26524 |
0 |
0 |
T7 |
4226 |
36 |
0 |
0 |
T8 |
6798 |
2446 |
0 |
0 |
T9 |
23898 |
2174 |
0 |
0 |
T10 |
123826 |
9864 |
0 |
0 |
T11 |
72104 |
0 |
0 |
0 |
T12 |
13543 |
12420 |
0 |
0 |
T13 |
18624 |
0 |
0 |
0 |
T14 |
7084 |
207 |
0 |
0 |
T17 |
0 |
7940 |
0 |
0 |
T18 |
0 |
42 |
0 |
0 |
T25 |
216 |
0 |
0 |
0 |
T39 |
0 |
1828 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_readcmd.u_readsram.u_fifo
| 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 | 140 | 1 | 1 | 100.00 |
68 always_ff @(posedge clk_i or negedge rst_ni) begin
69 1/1 if (!rst_ni) begin
Tests: T1 T2 T3
70 1/1 under_rst <= 1'b1;
Tests: T1 T2 T3
71 1/1 end else if (under_rst) begin
Tests: T6 T7 T8
72 1/1 under_rst <= ~under_rst;
Tests: T6 T7 T8
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: T4 T5 T6
124 1/1 storage[fifo_wptr] <= wdata_i;
Tests: T6 T7 T8
125 end
MISSING_ELSE
126 end
127
128 logic [Width-1:0] rdata_int;
129 if (Pass == 1'b1) begin : gen_pass
130 1/1 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
Tests: T1 T2 T3
131 1/1 assign empty = fifo_empty & ~wvalid_i;
Tests: T1 T2 T3
132 end else begin : gen_nopass
133 assign rdata_int = storage_rdata;
134 assign empty = fifo_empty;
135 end
136
137 if (OutputZeroIfEmpty == 1'b1) begin : gen_output_zero
138 assign rdata_o = empty ? Width'(0) : rdata_int;
139 end else begin : gen_no_output_zero
140 1/1 assign rdata_o = rdata_int;
Tests: T6 T7 T8
Cond Coverage for Instance : tb.dut.u_readcmd.u_readsram.u_fifo
| Total | Covered | Percent |
Conditions | 22 | 18 | 81.82 |
Logical | 22 | 18 | 81.82 |
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 | T6,T7,T8 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T6,T7,T8 |
LINE 82
EXPRESSION (((~gen_normal_fifo.empty)) & ((~gen_normal_fifo.under_rst)))
-------------1------------ ---------------2--------------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T6,T7,T8 |
1 | 0 | Not Covered | |
1 | 1 | Covered | T6,T7,T8 |
LINE 100
EXPRESSION (wvalid_i & wready_o & ((~gen_normal_fifo.under_rst)))
----1--- ----2--- ---------------3--------------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T6,T7,T8 |
1 | 0 | 1 | Covered | T6,T7,T8 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T6,T7,T8 |
LINE 101
EXPRESSION (rvalid_o & rready_i & ((~gen_normal_fifo.under_rst)))
----1--- ----2--- ---------------3--------------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Not Covered | |
1 | 0 | 1 | Covered | T6,T7,T8 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T6,T7,T8 |
LINE 130
EXPRESSION ((gen_normal_fifo.fifo_empty && wvalid_i) ? wdata_i : gen_normal_fifo.storage_rdata)
--------------------1-------------------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T6,T7,T8 |
LINE 130
SUB-EXPRESSION (gen_normal_fifo.fifo_empty && wvalid_i)
-------------1------------ ----2---
-1- | -2- | Status | Tests |
0 | 1 | Covered | T6,T7,T8 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T6,T7,T8 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T6,T7,T8 |
1 | 0 | Covered | T6,T7,T8 |
1 | 1 | Covered | T1,T2,T3 |
Branch Coverage for Instance : tb.dut.u_readcmd.u_readsram.u_fifo
| Line No. | Total | Covered | Percent |
Branches |
|
7 |
7 |
100.00 |
TERNARY |
130 |
2 |
2 |
100.00 |
IF |
69 |
3 |
3 |
100.00 |
IF |
111 |
2 |
2 |
100.00 |
130 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T6,T7,T8 |
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 |
T6,T7,T8 |
0 |
0 |
Covered |
T6,T7,T8 |
111 if (fifo_incr_wptr) begin
-1-
112 storage[0] <= wdata_i;
==>
113 end
MISSING_ELSE
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T6,T7,T8 |
0 |
Covered |
T4,T5,T6 |
Assert Coverage for Instance : tb.dut.u_readcmd.u_readsram.u_fifo
Assertion Details
DataKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
153693968 |
24892839 |
0 |
0 |
T6 |
48835 |
27376 |
0 |
0 |
T7 |
4226 |
34 |
0 |
0 |
T8 |
6798 |
2606 |
0 |
0 |
T9 |
23898 |
2240 |
0 |
0 |
T10 |
123826 |
10302 |
0 |
0 |
T11 |
72104 |
0 |
0 |
0 |
T12 |
13543 |
13231 |
0 |
0 |
T13 |
18624 |
0 |
0 |
0 |
T14 |
7084 |
212 |
0 |
0 |
T17 |
0 |
8192 |
0 |
0 |
T18 |
0 |
40 |
0 |
0 |
T25 |
216 |
0 |
0 |
0 |
T39 |
0 |
2072 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
153693968 |
127219412 |
0 |
0 |
T6 |
48835 |
48592 |
0 |
0 |
T7 |
4226 |
4226 |
0 |
0 |
T8 |
6798 |
6798 |
0 |
0 |
T9 |
23898 |
23376 |
0 |
0 |
T10 |
123826 |
123826 |
0 |
0 |
T11 |
72104 |
0 |
0 |
0 |
T12 |
13543 |
13543 |
0 |
0 |
T13 |
18624 |
18624 |
0 |
0 |
T14 |
7084 |
7084 |
0 |
0 |
T17 |
0 |
12416 |
0 |
0 |
T18 |
0 |
42920 |
0 |
0 |
T25 |
216 |
0 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
153693968 |
127219412 |
0 |
0 |
T6 |
48835 |
48592 |
0 |
0 |
T7 |
4226 |
4226 |
0 |
0 |
T8 |
6798 |
6798 |
0 |
0 |
T9 |
23898 |
23376 |
0 |
0 |
T10 |
123826 |
123826 |
0 |
0 |
T11 |
72104 |
0 |
0 |
0 |
T12 |
13543 |
13543 |
0 |
0 |
T13 |
18624 |
18624 |
0 |
0 |
T14 |
7084 |
7084 |
0 |
0 |
T17 |
0 |
12416 |
0 |
0 |
T18 |
0 |
42920 |
0 |
0 |
T25 |
216 |
0 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
153693968 |
127219412 |
0 |
0 |
T6 |
48835 |
48592 |
0 |
0 |
T7 |
4226 |
4226 |
0 |
0 |
T8 |
6798 |
6798 |
0 |
0 |
T9 |
23898 |
23376 |
0 |
0 |
T10 |
123826 |
123826 |
0 |
0 |
T11 |
72104 |
0 |
0 |
0 |
T12 |
13543 |
13543 |
0 |
0 |
T13 |
18624 |
18624 |
0 |
0 |
T14 |
7084 |
7084 |
0 |
0 |
T17 |
0 |
12416 |
0 |
0 |
T18 |
0 |
42920 |
0 |
0 |
T25 |
216 |
0 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
153693968 |
24892839 |
0 |
0 |
T6 |
48835 |
27376 |
0 |
0 |
T7 |
4226 |
34 |
0 |
0 |
T8 |
6798 |
2606 |
0 |
0 |
T9 |
23898 |
2240 |
0 |
0 |
T10 |
123826 |
10302 |
0 |
0 |
T11 |
72104 |
0 |
0 |
0 |
T12 |
13543 |
13231 |
0 |
0 |
T13 |
18624 |
0 |
0 |
0 |
T14 |
7084 |
212 |
0 |
0 |
T17 |
0 |
8192 |
0 |
0 |
T18 |
0 |
40 |
0 |
0 |
T25 |
216 |
0 |
0 |
0 |
T39 |
0 |
2072 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_upload.u_arbiter.u_req_fifo
| Line No. | Total | Covered | Percent |
TOTAL | | 14 | 12 | 85.71 |
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 | 1 | 50.00 |
CONT_ASSIGN | 133 | 1 | 0 | 0.00 |
CONT_ASSIGN | 134 | 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: T6 T7 T8
72 1/1 under_rst <= ~under_rst;
Tests: T6 T7 T8
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: T4 T5 T6
124 0/1 ==> storage[fifo_wptr] <= wdata_i;
125 end
MISSING_ELSE
126 end
127
128 logic [Width-1:0] rdata_int;
129 if (Pass == 1'b1) begin : gen_pass
130 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
131 assign empty = fifo_empty & ~wvalid_i;
132 end else begin : gen_nopass
133 0/1 ==> assign rdata_int = storage_rdata;
134 1/1 assign empty = fifo_empty;
Tests: T1 T2 T3
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.u_upload.u_arbiter.u_req_fifo
| Total | Covered | Percent |
Conditions | 16 | 5 | 31.25 |
Logical | 16 | 5 | 31.25 |
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 | T6,T7,T8 |
LINE 82
EXPRESSION (((~gen_normal_fifo.empty)) & ((~gen_normal_fifo.under_rst)))
-------------1------------ ---------------2--------------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T6,T7,T8 |
1 | 0 | Not Covered | |
1 | 1 | Not Covered | |
LINE 100
EXPRESSION (wvalid_i & wready_o & ((~gen_normal_fifo.under_rst)))
----1--- ----2--- ---------------3--------------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T6,T7,T8 |
1 | 0 | 1 | Not Covered | |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Not Covered | |
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 | Not Covered | |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Not Covered | |
LINE 138
EXPRESSION (gen_normal_fifo.empty ? (3'(0)) : gen_normal_fifo.rdata_int)
----------1----------
-1- | Status | Tests |
0 | Not Covered | |
1 | Covered | T1,T2,T3 |
Branch Coverage for Instance : tb.dut.u_upload.u_arbiter.u_req_fifo
| Line No. | Total | Covered | Percent |
Branches |
|
7 |
5 |
71.43 |
TERNARY |
138 |
2 |
1 |
50.00 |
IF |
69 |
3 |
3 |
100.00 |
IF |
123 |
2 |
1 |
50.00 |
138 assign rdata_o = empty ? Width'(0) : rdata_int;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Not Covered |
|
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 |
T6,T7,T8 |
0 |
0 |
Covered |
T6,T7,T8 |
123 if (fifo_incr_wptr) begin
-1-
124 storage[fifo_wptr] <= wdata_i;
==>
125 end
MISSING_ELSE
==>
Branches:
-1- | Status | Tests |
1 |
Not Covered |
|
0 |
Covered |
T4,T5,T6 |
Assert Coverage for Instance : tb.dut.u_upload.u_arbiter.u_req_fifo
Assertion Details
DataKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
153693968 |
0 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
153693968 |
127219412 |
0 |
0 |
T6 |
48835 |
48592 |
0 |
0 |
T7 |
4226 |
4226 |
0 |
0 |
T8 |
6798 |
6798 |
0 |
0 |
T9 |
23898 |
23376 |
0 |
0 |
T10 |
123826 |
123826 |
0 |
0 |
T11 |
72104 |
0 |
0 |
0 |
T12 |
13543 |
13543 |
0 |
0 |
T13 |
18624 |
18624 |
0 |
0 |
T14 |
7084 |
7084 |
0 |
0 |
T17 |
0 |
12416 |
0 |
0 |
T18 |
0 |
42920 |
0 |
0 |
T25 |
216 |
0 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
153693968 |
127219412 |
0 |
0 |
T6 |
48835 |
48592 |
0 |
0 |
T7 |
4226 |
4226 |
0 |
0 |
T8 |
6798 |
6798 |
0 |
0 |
T9 |
23898 |
23376 |
0 |
0 |
T10 |
123826 |
123826 |
0 |
0 |
T11 |
72104 |
0 |
0 |
0 |
T12 |
13543 |
13543 |
0 |
0 |
T13 |
18624 |
18624 |
0 |
0 |
T14 |
7084 |
7084 |
0 |
0 |
T17 |
0 |
12416 |
0 |
0 |
T18 |
0 |
42920 |
0 |
0 |
T25 |
216 |
0 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
153693968 |
127219412 |
0 |
0 |
T6 |
48835 |
48592 |
0 |
0 |
T7 |
4226 |
4226 |
0 |
0 |
T8 |
6798 |
6798 |
0 |
0 |
T9 |
23898 |
23376 |
0 |
0 |
T10 |
123826 |
123826 |
0 |
0 |
T11 |
72104 |
0 |
0 |
0 |
T12 |
13543 |
13543 |
0 |
0 |
T13 |
18624 |
18624 |
0 |
0 |
T14 |
7084 |
7084 |
0 |
0 |
T17 |
0 |
12416 |
0 |
0 |
T18 |
0 |
42920 |
0 |
0 |
T25 |
216 |
0 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
153693968 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_spi_tpm.u_sram_fifo
| Line No. | Total | Covered | Percent |
TOTAL | | 15 | 15 | 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 | 108 | 1 | 1 | 100.00 |
ALWAYS | 111 | 2 | 2 | 100.00 |
CONT_ASSIGN | 116 | 1 | 1 | 100.00 |
CONT_ASSIGN | 130 | 1 | 1 | 100.00 |
CONT_ASSIGN | 131 | 1 | 1 | 100.00 |
CONT_ASSIGN | 140 | 1 | 1 | 100.00 |
68 always_ff @(posedge clk_i or negedge rst_ni) begin
69 1/1 if (!rst_ni) begin
Tests: T1 T2 T3
70 1/1 under_rst <= 1'b1;
Tests: T1 T2 T3
71 1/1 end else if (under_rst) begin
Tests: T4 T5 T11
72 1/1 under_rst <= ~under_rst;
Tests: T4 T5 T11
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 1/1 assign storage_rdata = storage[0];
Tests: T4 T5 T27
109
110 always_ff @(posedge clk_i)
111 1/1 if (fifo_incr_wptr) begin
Tests: T4 T5 T6
112 1/1 storage[0] <= wdata_i;
Tests: T4 T5 T27
113 end
MISSING_ELSE
114
115 logic unused_ptrs;
116 1/1 assign unused_ptrs = ^{fifo_wptr, fifo_rptr};
Tests: T1 T2 T3
117
118 // fifo with more than one storage element
119 end else begin : gen_depth_gt1
120 assign storage_rdata = storage[fifo_rptr];
121
122 always_ff @(posedge clk_i)
123 if (fifo_incr_wptr) begin
124 storage[fifo_wptr] <= wdata_i;
125 end
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 assign rdata_o = empty ? Width'(0) : rdata_int;
139 end else begin : gen_no_output_zero
140 1/1 assign rdata_o = rdata_int;
Tests: T4 T5 T27
Cond Coverage for Instance : tb.dut.u_spi_tpm.u_sram_fifo
| Total | Covered | Percent |
Conditions | 22 | 17 | 77.27 |
Logical | 22 | 17 | 77.27 |
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,T27 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T4,T5,T11 |
LINE 82
EXPRESSION (((~gen_normal_fifo.empty)) & ((~gen_normal_fifo.under_rst)))
-------------1------------ ---------------2--------------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T4,T5,T11 |
1 | 0 | Not Covered | |
1 | 1 | Covered | T4,T5,T27 |
LINE 100
EXPRESSION (wvalid_i & wready_o & ((~gen_normal_fifo.under_rst)))
----1--- ----2--- ---------------3--------------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T4,T5,T11 |
1 | 0 | 1 | Not Covered | |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T4,T5,T27 |
LINE 101
EXPRESSION (rvalid_o & rready_i & ((~gen_normal_fifo.under_rst)))
----1--- ----2--- ---------------3--------------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T4,T5,T27 |
1 | 0 | 1 | Covered | T4,T5,T27 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T4,T5,T27 |
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,T27 |
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,T27 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T4,T5,T27 |
1 | 0 | Covered | T4,T5,T27 |
1 | 1 | Covered | T1,T2,T3 |
Branch Coverage for Instance : tb.dut.u_spi_tpm.u_sram_fifo
| Line No. | Total | Covered | Percent |
Branches |
|
7 |
7 |
100.00 |
TERNARY |
130 |
2 |
2 |
100.00 |
IF |
69 |
3 |
3 |
100.00 |
IF |
111 |
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,T27 |
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 |
T4,T5,T11 |
0 |
0 |
Covered |
T4,T5,T11 |
111 if (fifo_incr_wptr) begin
-1-
112 storage[0] <= wdata_i;
==>
113 end
MISSING_ELSE
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T4,T5,T27 |
0 |
Covered |
T4,T5,T6 |
Assert Coverage for Instance : tb.dut.u_spi_tpm.u_sram_fifo
Assertion Details
DataKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
153693968 |
5473822 |
0 |
0 |
T4 |
1727 |
331 |
0 |
0 |
T5 |
22617 |
4846 |
0 |
0 |
T6 |
48835 |
0 |
0 |
0 |
T7 |
4226 |
0 |
0 |
0 |
T8 |
6798 |
0 |
0 |
0 |
T9 |
23898 |
0 |
0 |
0 |
T10 |
123826 |
0 |
0 |
0 |
T11 |
72104 |
0 |
0 |
0 |
T12 |
13543 |
0 |
0 |
0 |
T13 |
18624 |
0 |
0 |
0 |
T27 |
0 |
2314 |
0 |
0 |
T28 |
0 |
26009 |
0 |
0 |
T31 |
0 |
3764 |
0 |
0 |
T44 |
0 |
115 |
0 |
0 |
T46 |
0 |
145 |
0 |
0 |
T77 |
0 |
55754 |
0 |
0 |
T79 |
0 |
18260 |
0 |
0 |
T80 |
0 |
45787 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
153693968 |
25144239 |
0 |
0 |
T4 |
1727 |
1280 |
0 |
0 |
T5 |
22617 |
22360 |
0 |
0 |
T6 |
48835 |
0 |
0 |
0 |
T7 |
4226 |
0 |
0 |
0 |
T8 |
6798 |
0 |
0 |
0 |
T9 |
23898 |
0 |
0 |
0 |
T10 |
123826 |
0 |
0 |
0 |
T11 |
72104 |
67616 |
0 |
0 |
T12 |
13543 |
0 |
0 |
0 |
T13 |
18624 |
0 |
0 |
0 |
T25 |
0 |
216 |
0 |
0 |
T26 |
0 |
43896 |
0 |
0 |
T27 |
0 |
3800 |
0 |
0 |
T28 |
0 |
63508 |
0 |
0 |
T30 |
0 |
792 |
0 |
0 |
T31 |
0 |
9440 |
0 |
0 |
T33 |
0 |
72 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
153693968 |
25144239 |
0 |
0 |
T4 |
1727 |
1280 |
0 |
0 |
T5 |
22617 |
22360 |
0 |
0 |
T6 |
48835 |
0 |
0 |
0 |
T7 |
4226 |
0 |
0 |
0 |
T8 |
6798 |
0 |
0 |
0 |
T9 |
23898 |
0 |
0 |
0 |
T10 |
123826 |
0 |
0 |
0 |
T11 |
72104 |
67616 |
0 |
0 |
T12 |
13543 |
0 |
0 |
0 |
T13 |
18624 |
0 |
0 |
0 |
T25 |
0 |
216 |
0 |
0 |
T26 |
0 |
43896 |
0 |
0 |
T27 |
0 |
3800 |
0 |
0 |
T28 |
0 |
63508 |
0 |
0 |
T30 |
0 |
792 |
0 |
0 |
T31 |
0 |
9440 |
0 |
0 |
T33 |
0 |
72 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
153693968 |
25144239 |
0 |
0 |
T4 |
1727 |
1280 |
0 |
0 |
T5 |
22617 |
22360 |
0 |
0 |
T6 |
48835 |
0 |
0 |
0 |
T7 |
4226 |
0 |
0 |
0 |
T8 |
6798 |
0 |
0 |
0 |
T9 |
23898 |
0 |
0 |
0 |
T10 |
123826 |
0 |
0 |
0 |
T11 |
72104 |
67616 |
0 |
0 |
T12 |
13543 |
0 |
0 |
0 |
T13 |
18624 |
0 |
0 |
0 |
T25 |
0 |
216 |
0 |
0 |
T26 |
0 |
43896 |
0 |
0 |
T27 |
0 |
3800 |
0 |
0 |
T28 |
0 |
63508 |
0 |
0 |
T30 |
0 |
792 |
0 |
0 |
T31 |
0 |
9440 |
0 |
0 |
T33 |
0 |
72 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
153693968 |
5473822 |
0 |
0 |
T4 |
1727 |
331 |
0 |
0 |
T5 |
22617 |
4846 |
0 |
0 |
T6 |
48835 |
0 |
0 |
0 |
T7 |
4226 |
0 |
0 |
0 |
T8 |
6798 |
0 |
0 |
0 |
T9 |
23898 |
0 |
0 |
0 |
T10 |
123826 |
0 |
0 |
0 |
T11 |
72104 |
0 |
0 |
0 |
T12 |
13543 |
0 |
0 |
0 |
T13 |
18624 |
0 |
0 |
0 |
T27 |
0 |
2314 |
0 |
0 |
T28 |
0 |
26009 |
0 |
0 |
T31 |
0 |
3764 |
0 |
0 |
T44 |
0 |
115 |
0 |
0 |
T46 |
0 |
145 |
0 |
0 |
T77 |
0 |
55754 |
0 |
0 |
T79 |
0 |
18260 |
0 |
0 |
T80 |
0 |
45787 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_spi_tpm.u_arbiter.u_req_fifo
| Line No. | Total | Covered | Percent |
TOTAL | | 14 | 14 | 100.00 |
ALWAYS | 69 | 4 | 4 | 100.00 |
CONT_ASSIGN | 81 | 1 | 1 | 100.00 |
CONT_ASSIGN | 82 | 1 | 1 | 100.00 |
CONT_ASSIGN | 100 | 1 | 1 | 100.00 |
CONT_ASSIGN | 101 | 1 | 1 | 100.00 |
CONT_ASSIGN | 120 | 1 | 1 | 100.00 |
ALWAYS | 123 | 2 | 2 | 100.00 |
CONT_ASSIGN | 133 | 1 | 1 | 100.00 |
CONT_ASSIGN | 134 | 1 | 1 | 100.00 |
CONT_ASSIGN | 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: T4 T5 T11
72 1/1 under_rst <= ~under_rst;
Tests: T4 T5 T11
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: T4 T5 T6
124 1/1 storage[fifo_wptr] <= wdata_i;
Tests: T4 T5 T27
125 end
MISSING_ELSE
126 end
127
128 logic [Width-1:0] rdata_int;
129 if (Pass == 1'b1) begin : gen_pass
130 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
131 assign empty = fifo_empty & ~wvalid_i;
132 end else begin : gen_nopass
133 1/1 assign rdata_int = storage_rdata;
Tests: T4 T5 T27
134 1/1 assign empty = fifo_empty;
Tests: T1 T2 T3
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.u_spi_tpm.u_arbiter.u_req_fifo
| Total | Covered | Percent |
Conditions | 16 | 9 | 56.25 |
Logical | 16 | 9 | 56.25 |
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 | T4,T5,T11 |
LINE 82
EXPRESSION (((~gen_normal_fifo.empty)) & ((~gen_normal_fifo.under_rst)))
-------------1------------ ---------------2--------------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T4,T5,T11 |
1 | 0 | Not Covered | |
1 | 1 | Covered | T4,T5,T27 |
LINE 100
EXPRESSION (wvalid_i & wready_o & ((~gen_normal_fifo.under_rst)))
----1--- ----2--- ---------------3--------------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T4,T5,T11 |
1 | 0 | 1 | Not Covered | |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T4,T5,T27 |
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 | Not Covered | |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T4,T5,T27 |
LINE 138
EXPRESSION (gen_normal_fifo.empty ? (2'(0)) : gen_normal_fifo.rdata_int)
----------1----------
-1- | Status | Tests |
0 | Covered | T4,T5,T27 |
1 | Covered | T1,T2,T3 |
Branch Coverage for Instance : tb.dut.u_spi_tpm.u_arbiter.u_req_fifo
| Line No. | Total | Covered | Percent |
Branches |
|
7 |
7 |
100.00 |
TERNARY |
138 |
2 |
2 |
100.00 |
IF |
69 |
3 |
3 |
100.00 |
IF |
123 |
2 |
2 |
100.00 |
138 assign rdata_o = empty ? Width'(0) : rdata_int;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T4,T5,T27 |
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 |
T4,T5,T11 |
0 |
0 |
Covered |
T4,T5,T11 |
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,T27 |
0 |
Covered |
T4,T5,T6 |
Assert Coverage for Instance : tb.dut.u_spi_tpm.u_arbiter.u_req_fifo
Assertion Details
DataKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
153693968 |
175999 |
0 |
0 |
T4 |
1727 |
10 |
0 |
0 |
T5 |
22617 |
156 |
0 |
0 |
T6 |
48835 |
0 |
0 |
0 |
T7 |
4226 |
0 |
0 |
0 |
T8 |
6798 |
0 |
0 |
0 |
T9 |
23898 |
0 |
0 |
0 |
T10 |
123826 |
0 |
0 |
0 |
T11 |
72104 |
0 |
0 |
0 |
T12 |
13543 |
0 |
0 |
0 |
T13 |
18624 |
0 |
0 |
0 |
T27 |
0 |
74 |
0 |
0 |
T28 |
0 |
833 |
0 |
0 |
T31 |
0 |
119 |
0 |
0 |
T44 |
0 |
4 |
0 |
0 |
T46 |
0 |
5 |
0 |
0 |
T77 |
0 |
1796 |
0 |
0 |
T79 |
0 |
585 |
0 |
0 |
T80 |
0 |
1476 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
153693968 |
25144239 |
0 |
0 |
T4 |
1727 |
1280 |
0 |
0 |
T5 |
22617 |
22360 |
0 |
0 |
T6 |
48835 |
0 |
0 |
0 |
T7 |
4226 |
0 |
0 |
0 |
T8 |
6798 |
0 |
0 |
0 |
T9 |
23898 |
0 |
0 |
0 |
T10 |
123826 |
0 |
0 |
0 |
T11 |
72104 |
67616 |
0 |
0 |
T12 |
13543 |
0 |
0 |
0 |
T13 |
18624 |
0 |
0 |
0 |
T25 |
0 |
216 |
0 |
0 |
T26 |
0 |
43896 |
0 |
0 |
T27 |
0 |
3800 |
0 |
0 |
T28 |
0 |
63508 |
0 |
0 |
T30 |
0 |
792 |
0 |
0 |
T31 |
0 |
9440 |
0 |
0 |
T33 |
0 |
72 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
153693968 |
25144239 |
0 |
0 |
T4 |
1727 |
1280 |
0 |
0 |
T5 |
22617 |
22360 |
0 |
0 |
T6 |
48835 |
0 |
0 |
0 |
T7 |
4226 |
0 |
0 |
0 |
T8 |
6798 |
0 |
0 |
0 |
T9 |
23898 |
0 |
0 |
0 |
T10 |
123826 |
0 |
0 |
0 |
T11 |
72104 |
67616 |
0 |
0 |
T12 |
13543 |
0 |
0 |
0 |
T13 |
18624 |
0 |
0 |
0 |
T25 |
0 |
216 |
0 |
0 |
T26 |
0 |
43896 |
0 |
0 |
T27 |
0 |
3800 |
0 |
0 |
T28 |
0 |
63508 |
0 |
0 |
T30 |
0 |
792 |
0 |
0 |
T31 |
0 |
9440 |
0 |
0 |
T33 |
0 |
72 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
153693968 |
25144239 |
0 |
0 |
T4 |
1727 |
1280 |
0 |
0 |
T5 |
22617 |
22360 |
0 |
0 |
T6 |
48835 |
0 |
0 |
0 |
T7 |
4226 |
0 |
0 |
0 |
T8 |
6798 |
0 |
0 |
0 |
T9 |
23898 |
0 |
0 |
0 |
T10 |
123826 |
0 |
0 |
0 |
T11 |
72104 |
67616 |
0 |
0 |
T12 |
13543 |
0 |
0 |
0 |
T13 |
18624 |
0 |
0 |
0 |
T25 |
0 |
216 |
0 |
0 |
T26 |
0 |
43896 |
0 |
0 |
T27 |
0 |
3800 |
0 |
0 |
T28 |
0 |
63508 |
0 |
0 |
T30 |
0 |
792 |
0 |
0 |
T31 |
0 |
9440 |
0 |
0 |
T33 |
0 |
72 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
153693968 |
175999 |
0 |
0 |
T4 |
1727 |
10 |
0 |
0 |
T5 |
22617 |
156 |
0 |
0 |
T6 |
48835 |
0 |
0 |
0 |
T7 |
4226 |
0 |
0 |
0 |
T8 |
6798 |
0 |
0 |
0 |
T9 |
23898 |
0 |
0 |
0 |
T10 |
123826 |
0 |
0 |
0 |
T11 |
72104 |
0 |
0 |
0 |
T12 |
13543 |
0 |
0 |
0 |
T13 |
18624 |
0 |
0 |
0 |
T27 |
0 |
74 |
0 |
0 |
T28 |
0 |
833 |
0 |
0 |
T31 |
0 |
119 |
0 |
0 |
T44 |
0 |
4 |
0 |
0 |
T46 |
0 |
5 |
0 |
0 |
T77 |
0 |
1796 |
0 |
0 |
T79 |
0 |
585 |
0 |
0 |
T80 |
0 |
1476 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_tlul2sram_egress.u_reqfifo
| Line No. | Total | Covered | Percent |
TOTAL | | 15 | 15 | 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 | 108 | 1 | 1 | 100.00 |
ALWAYS | 111 | 2 | 2 | 100.00 |
CONT_ASSIGN | 116 | 1 | 1 | 100.00 |
CONT_ASSIGN | 133 | 1 | 1 | 100.00 |
CONT_ASSIGN | 134 | 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 1/1 assign storage_rdata = storage[0];
Tests: T6 T7 T8
109
110 always_ff @(posedge clk_i)
111 1/1 if (fifo_incr_wptr) begin
Tests: T1 T2 T3
112 1/1 storage[0] <= wdata_i;
Tests: T6 T7 T8
113 end
MISSING_ELSE
114
115 logic unused_ptrs;
116 1/1 assign unused_ptrs = ^{fifo_wptr, fifo_rptr};
Tests: T1 T2 T3
117
118 // fifo with more than one storage element
119 end else begin : gen_depth_gt1
120 assign storage_rdata = storage[fifo_rptr];
121
122 always_ff @(posedge clk_i)
123 if (fifo_incr_wptr) begin
124 storage[fifo_wptr] <= wdata_i;
125 end
126 end
127
128 logic [Width-1:0] rdata_int;
129 if (Pass == 1'b1) begin : gen_pass
130 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
131 assign empty = fifo_empty & ~wvalid_i;
132 end else begin : gen_nopass
133 1/1 assign rdata_int = storage_rdata;
Tests: T6 T7 T8
134 1/1 assign empty = fifo_empty;
Tests: T1 T2 T3
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.u_tlul2sram_egress.u_reqfifo
| Total | Covered | Percent |
Conditions | 16 | 11 | 68.75 |
Logical | 16 | 11 | 68.75 |
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 | T6,T7,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 | T6,T7,T8 |
LINE 100
EXPRESSION (wvalid_i & wready_o & ((~gen_normal_fifo.under_rst)))
----1--- ----2--- ---------------3--------------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | Not Covered | |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T6,T7,T8 |
LINE 101
EXPRESSION (rvalid_o & rready_i & ((~gen_normal_fifo.under_rst)))
----1--- ----2--- ---------------3--------------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Not Covered | |
1 | 0 | 1 | Covered | T6,T8,T9 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T6,T7,T8 |
LINE 138
EXPRESSION (gen_normal_fifo.empty ? (17'(0)) : gen_normal_fifo.rdata_int)
----------1----------
-1- | Status | Tests |
0 | Covered | T6,T7,T8 |
1 | Covered | T1,T2,T3 |
Branch Coverage for Instance : tb.dut.u_tlul2sram_egress.u_reqfifo
| Line No. | Total | Covered | Percent |
Branches |
|
7 |
7 |
100.00 |
TERNARY |
138 |
2 |
2 |
100.00 |
IF |
69 |
3 |
3 |
100.00 |
IF |
123 |
2 |
2 |
100.00 |
138 assign rdata_o = empty ? Width'(0) : rdata_int;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T6,T7,T8 |
69 if (!rst_ni) begin
-1-
70 under_rst <= 1'b1;
==>
71 end else if (under_rst) begin
-2-
72 under_rst <= ~under_rst;
==>
73 end
MISSING_ELSE
==>
Branches:
-1- | -2- | Status | Tests |
1 |
- |
Covered |
T1,T2,T3 |
0 |
1 |
Covered |
T1,T2,T3 |
0 |
0 |
Covered |
T1,T2,T3 |
123 if (fifo_incr_wptr) begin
-1-
124 storage[fifo_wptr] <= wdata_i;
==>
125 end
MISSING_ELSE
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T6,T7,T8 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_tlul2sram_egress.u_reqfifo
Assertion Details
DataKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
501317858 |
3251587 |
0 |
0 |
T6 |
25116 |
832 |
0 |
0 |
T7 |
7195 |
832 |
0 |
0 |
T8 |
31585 |
835 |
0 |
0 |
T9 |
128131 |
2663 |
0 |
0 |
T10 |
131477 |
832 |
0 |
0 |
T11 |
568143 |
0 |
0 |
0 |
T12 |
104265 |
2496 |
0 |
0 |
T13 |
121765 |
2561 |
0 |
0 |
T14 |
45098 |
832 |
0 |
0 |
T15 |
5288 |
0 |
0 |
0 |
T17 |
0 |
832 |
0 |
0 |
T18 |
0 |
3876 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
501317858 |
501228023 |
0 |
0 |
T1 |
1469 |
1398 |
0 |
0 |
T2 |
1563 |
1467 |
0 |
0 |
T3 |
929 |
857 |
0 |
0 |
T4 |
10082 |
10010 |
0 |
0 |
T5 |
26948 |
26878 |
0 |
0 |
T6 |
25116 |
25038 |
0 |
0 |
T7 |
7195 |
7111 |
0 |
0 |
T8 |
31585 |
31519 |
0 |
0 |
T9 |
128131 |
128043 |
0 |
0 |
T10 |
131477 |
131413 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
501317858 |
501228023 |
0 |
0 |
T1 |
1469 |
1398 |
0 |
0 |
T2 |
1563 |
1467 |
0 |
0 |
T3 |
929 |
857 |
0 |
0 |
T4 |
10082 |
10010 |
0 |
0 |
T5 |
26948 |
26878 |
0 |
0 |
T6 |
25116 |
25038 |
0 |
0 |
T7 |
7195 |
7111 |
0 |
0 |
T8 |
31585 |
31519 |
0 |
0 |
T9 |
128131 |
128043 |
0 |
0 |
T10 |
131477 |
131413 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
501317858 |
501228023 |
0 |
0 |
T1 |
1469 |
1398 |
0 |
0 |
T2 |
1563 |
1467 |
0 |
0 |
T3 |
929 |
857 |
0 |
0 |
T4 |
10082 |
10010 |
0 |
0 |
T5 |
26948 |
26878 |
0 |
0 |
T6 |
25116 |
25038 |
0 |
0 |
T7 |
7195 |
7111 |
0 |
0 |
T8 |
31585 |
31519 |
0 |
0 |
T9 |
128131 |
128043 |
0 |
0 |
T10 |
131477 |
131413 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
501317858 |
3251587 |
0 |
0 |
T6 |
25116 |
832 |
0 |
0 |
T7 |
7195 |
832 |
0 |
0 |
T8 |
31585 |
835 |
0 |
0 |
T9 |
128131 |
2663 |
0 |
0 |
T10 |
131477 |
832 |
0 |
0 |
T11 |
568143 |
0 |
0 |
0 |
T12 |
104265 |
2496 |
0 |
0 |
T13 |
121765 |
2561 |
0 |
0 |
T14 |
45098 |
832 |
0 |
0 |
T15 |
5288 |
0 |
0 |
0 |
T17 |
0 |
832 |
0 |
0 |
T18 |
0 |
3876 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_tlul2sram_egress.u_sramreqfifo
| Line No. | Total | Covered | Percent |
TOTAL | | 15 | 12 | 80.00 |
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 | 108 | 1 | 0 | 0.00 |
ALWAYS | 111 | 2 | 1 | 50.00 |
CONT_ASSIGN | 116 | 1 | 1 | 100.00 |
CONT_ASSIGN | 133 | 1 | 0 | 0.00 |
CONT_ASSIGN | 134 | 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 0/1 ==> assign storage_rdata = storage[0];
109
110 always_ff @(posedge clk_i)
111 1/1 if (fifo_incr_wptr) begin
Tests: T1 T2 T3
112 0/1 ==> storage[0] <= wdata_i;
113 end
MISSING_ELSE
114
115 logic unused_ptrs;
116 1/1 assign unused_ptrs = ^{fifo_wptr, fifo_rptr};
Tests: T1 T2 T3
117
118 // fifo with more than one storage element
119 end else begin : gen_depth_gt1
120 assign storage_rdata = storage[fifo_rptr];
121
122 always_ff @(posedge clk_i)
123 if (fifo_incr_wptr) begin
124 storage[fifo_wptr] <= wdata_i;
125 end
126 end
127
128 logic [Width-1:0] rdata_int;
129 if (Pass == 1'b1) begin : gen_pass
130 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
131 assign empty = fifo_empty & ~wvalid_i;
132 end else begin : gen_nopass
133 0/1 ==> assign rdata_int = storage_rdata;
134 1/1 assign empty = fifo_empty;
Tests: T1 T2 T3
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.u_tlul2sram_egress.u_sramreqfifo
| Total | Covered | Percent |
Conditions | 16 | 5 | 31.25 |
Logical | 16 | 5 | 31.25 |
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 | Not Covered | |
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 | Not Covered | |
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 | Not Covered | |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Not Covered | |
LINE 138
EXPRESSION (gen_normal_fifo.empty ? (5'(0)) : gen_normal_fifo.rdata_int)
----------1----------
-1- | Status | Tests |
0 | Not Covered | |
1 | Covered | T1,T2,T3 |
Branch Coverage for Instance : tb.dut.u_tlul2sram_egress.u_sramreqfifo
| Line No. | Total | Covered | Percent |
Branches |
|
7 |
5 |
71.43 |
TERNARY |
138 |
2 |
1 |
50.00 |
IF |
69 |
3 |
3 |
100.00 |
IF |
123 |
2 |
1 |
50.00 |
138 assign rdata_o = empty ? Width'(0) : rdata_int;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Not Covered |
|
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 |
Not Covered |
|
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_tlul2sram_egress.u_sramreqfifo
Assertion Details
DataKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
501317858 |
0 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
501317858 |
501228023 |
0 |
0 |
T1 |
1469 |
1398 |
0 |
0 |
T2 |
1563 |
1467 |
0 |
0 |
T3 |
929 |
857 |
0 |
0 |
T4 |
10082 |
10010 |
0 |
0 |
T5 |
26948 |
26878 |
0 |
0 |
T6 |
25116 |
25038 |
0 |
0 |
T7 |
7195 |
7111 |
0 |
0 |
T8 |
31585 |
31519 |
0 |
0 |
T9 |
128131 |
128043 |
0 |
0 |
T10 |
131477 |
131413 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
501317858 |
501228023 |
0 |
0 |
T1 |
1469 |
1398 |
0 |
0 |
T2 |
1563 |
1467 |
0 |
0 |
T3 |
929 |
857 |
0 |
0 |
T4 |
10082 |
10010 |
0 |
0 |
T5 |
26948 |
26878 |
0 |
0 |
T6 |
25116 |
25038 |
0 |
0 |
T7 |
7195 |
7111 |
0 |
0 |
T8 |
31585 |
31519 |
0 |
0 |
T9 |
128131 |
128043 |
0 |
0 |
T10 |
131477 |
131413 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
501317858 |
501228023 |
0 |
0 |
T1 |
1469 |
1398 |
0 |
0 |
T2 |
1563 |
1467 |
0 |
0 |
T3 |
929 |
857 |
0 |
0 |
T4 |
10082 |
10010 |
0 |
0 |
T5 |
26948 |
26878 |
0 |
0 |
T6 |
25116 |
25038 |
0 |
0 |
T7 |
7195 |
7111 |
0 |
0 |
T8 |
31585 |
31519 |
0 |
0 |
T9 |
128131 |
128043 |
0 |
0 |
T10 |
131477 |
131413 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
501317858 |
0 |
0 |
0 |