Line Coverage for Module :
prim_subreg_shadow
| Line No. | Total | Covered | Percent |
TOTAL | | 16 | 16 | 100.00 |
CONT_ASSIGN | 94 | 1 | 1 | 100.00 |
ALWAYS | 100 | 6 | 6 | 100.00 |
CONT_ASSIGN | 113 | 1 | 1 | 100.00 |
CONT_ASSIGN | 114 | 0 | 0 | |
CONT_ASSIGN | 138 | 1 | 1 | 100.00 |
CONT_ASSIGN | 139 | 0 | 0 | |
CONT_ASSIGN | 160 | 1 | 1 | 100.00 |
CONT_ASSIGN | 161 | 0 | 0 | |
CONT_ASSIGN | 180 | 1 | 1 | 100.00 |
CONT_ASSIGN | 183 | 1 | 1 | 100.00 |
CONT_ASSIGN | 184 | 1 | 1 | 100.00 |
CONT_ASSIGN | 187 | 1 | 1 | 100.00 |
CONT_ASSIGN | 188 | 1 | 1 | 100.00 |
CONT_ASSIGN | 189 | 1 | 1 | 100.00 |
93 // - In case of RO, SW should not interfere with update process.
94 1/1 assign phase_clear = (SwAccess == SwAccessRO) ? 1'b0 : re;
Tests: T10 T11 T45
95
96 // Phase tracker:
97 // - Reads from SW clear the phase back to 0.
98 // - Writes have priority (can come from SW or HW).
99 always_ff @(posedge clk_i or negedge rst_ni) begin : phase_reg
100 1/1 if (!rst_ni) begin
Tests: T4 T5 T6
101 1/1 phase_q <= 1'b0;
Tests: T4 T5 T6
102 1/1 end else if (wr_en && !err_storage) begin
Tests: T4 T5 T6
103 1/1 phase_q <= ~phase_q;
Tests: T1 T2 T3
104 1/1 end else if (phase_clear || err_storage) begin
Tests: T4 T5 T6
105 1/1 phase_q <= 1'b0;
Tests: T10 T11 T45
106 end
MISSING_ELSE
107 end
108
109 // The staged register:
110 // - Holds the 1's complement value.
111 // - Written in Phase 0.
112 // - Once storage error occurs, do not allow any further update until reset
113 1/1 assign staged_we = we & ~phase_q & ~err_storage;
Tests: T1 T2 T3
114 unreachable assign staged_de = de & ~phase_q & ~err_storage;
115 prim_subreg #(
116 .DW ( DW ),
117 .SwAccess ( StagedSwAccess ),
118 .RESVAL ( ~RESVAL )
119 ) staged_reg (
120 .clk_i ( clk_i ),
121 .rst_ni ( rst_ni ),
122 .we ( staged_we ),
123 .wd ( ~wr_data ),
124 .de ( staged_de ),
125 .d ( ~d ),
126 .qe ( ),
127 .q ( staged_q ),
128 .ds ( ),
129 .qs ( )
130 );
131
132 // The shadow register:
133 // - Holds the 1's complement value.
134 // - Written in Phase 1.
135 // - Writes are ignored in case of update errors.
136 // - Gets the value from the staged register.
137 // - Once storage error occurs, do not allow any further update until reset
138 1/1 assign shadow_we = we & phase_q & ~err_update & ~err_storage;
Tests: T1 T2 T3
139 unreachable assign shadow_de = de & phase_q & ~err_update & ~err_storage;
140 prim_subreg #(
141 .DW ( DW ),
142 .SwAccess ( InvertedSwAccess ),
143 .RESVAL ( ~RESVAL )
144 ) shadow_reg (
145 .clk_i ( clk_i ),
146 .rst_ni ( rst_shadowed_ni ),
147 .we ( shadow_we ),
148 .wd ( staged_q ),
149 .de ( shadow_de ),
150 .d ( staged_q ),
151 .qe ( ),
152 .q ( shadow_q ),
153 .ds ( ),
154 .qs ( )
155 );
156
157 // The committed register:
158 // - Written in Phase 1.
159 // - Writes are ignored in case of update errors.
160 1/1 assign committed_we = shadow_we;
Tests: T1 T2 T3
161 unreachable assign committed_de = shadow_de;
162 prim_subreg #(
163 .DW ( DW ),
164 .SwAccess ( SwAccess ),
165 .RESVAL ( RESVAL )
166 ) committed_reg (
167 .clk_i ( clk_i ),
168 .rst_ni ( rst_ni ),
169 .we ( committed_we ),
170 .wd ( wr_data ),
171 .de ( committed_de ),
172 .d ( d ),
173 .qe ( committed_qe ),
174 .q ( committed_q ),
175 .ds ( ds ),
176 .qs ( committed_qs )
177 );
178
179 // Output phase for hwext.
180 1/1 assign phase = phase_q;
Tests: T1 T2 T3
181
182 // Error detection - all bits must match.
183 1/1 assign err_update = (~staged_q != wr_data) ? phase_q & wr_en : 1'b0;
Tests: T1 T2 T3
184 1/1 assign err_storage = (~shadow_q != committed_q);
Tests: T1 T2 T3
185
186 // Remaining output assignments
187 1/1 assign qe = committed_qe;
Tests: T1 T2 T3
188 1/1 assign q = committed_q;
Tests: T1 T2 T3
189 1/1 assign qs = committed_qs;
Tests: T1 T2 T3
Cond Coverage for Module :
prim_subreg_shadow
| Total | Covered | Percent |
Conditions | 26 | 25 | 96.15 |
Logical | 26 | 25 | 96.15 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 102
EXPRESSION (wr_en && ((!err_storage)))
--1-- --------2-------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T4,T5,T6 |
1 | 0 | Covered | T105,T106,T107 |
1 | 1 | Covered | T1,T2,T3 |
LINE 104
EXPRESSION (phase_clear || err_storage)
-----1----- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T4,T5,T6 |
0 | 1 | Covered | T79,T105,T106 |
1 | 0 | Covered | T10,T11,T45 |
LINE 113
EXPRESSION (we & ((~phase_q)) & ((~err_storage)))
-1 ------2----- --------3-------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T4,T5,T6 |
1 | 0 | 1 | Covered | T1,T2,T3 |
1 | 1 | 0 | Covered | T105,T106,T107 |
1 | 1 | 1 | Covered | T1,T2,T3 |
LINE 114
EXPRESSION (de & ((~phase_q)) & ((~err_storage)))
-1 ------2----- --------3-------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T4,T5,T6 |
1 | 0 | 1 | Unreachable | |
1 | 1 | 0 | Unreachable | |
1 | 1 | 1 | Unreachable | |
LINE 138
EXPRESSION (we & phase_q & ((~err_update)) & ((~err_storage)))
-1 ---2--- -------3------- --------4-------
-1- | -2- | -3- | -4- | Status | Tests |
0 | 1 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | 1 | Covered | T1,T2,T3 |
1 | 1 | 0 | 1 | Covered | T79,T105,T106 |
1 | 1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | 1 | Covered | T1,T2,T3 |
LINE 139
EXPRESSION (de & phase_q & ((~err_update)) & ((~err_storage)))
-1 ---2--- -------3------- --------4-------
-1- | -2- | -3- | -4- | Status | Tests |
0 | 1 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | 1 | Unreachable | |
1 | 1 | 0 | 1 | Unreachable | |
1 | 1 | 1 | 0 | Unreachable | |
1 | 1 | 1 | 1 | Unreachable | |
LINE 183
EXPRESSION (((~staged_q) != wr_data) ? (phase_q & wr_en) : 1'b0)
------------1-----------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T4,T5,T6 |
LINE 183
SUB-EXPRESSION ((~staged_q) != wr_data)
------------1-----------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T4,T5,T6 |
LINE 183
SUB-EXPRESSION (phase_q & wr_en)
---1--- --2--
-1- | -2- | Status | Tests |
0 | 1 | Covered | T1,T2,T3 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T79,T105,T106 |
LINE 184
EXPRESSION ((~shadow_q) != committed_q)
--------------1-------------
-1- | Status | Tests |
0 | Covered | T4,T5,T6 |
1 | Covered | T79,T105,T106 |
Branch Coverage for Module :
prim_subreg_shadow
| Line No. | Total | Covered | Percent |
Branches |
|
6 |
6 |
100.00 |
TERNARY |
183 |
2 |
2 |
100.00 |
IF |
100 |
4 |
4 |
100.00 |
183 assign err_update = (~staged_q != wr_data) ? phase_q & wr_en : 1'b0;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T4,T5,T6 |
0 |
Covered |
T1,T2,T3 |
100 if (!rst_ni) begin
-1-
101 phase_q <= 1'b0;
==>
102 end else if (wr_en && !err_storage) begin
-2-
103 phase_q <= ~phase_q;
==>
104 end else if (phase_clear || err_storage) begin
-3-
105 phase_q <= 1'b0;
==>
106 end
MISSING_ELSE
==>
Branches:
-1- | -2- | -3- | Status | Tests |
1 |
- |
- |
Covered |
T4,T5,T6 |
0 |
1 |
- |
Covered |
T1,T2,T3 |
0 |
0 |
1 |
Covered |
T10,T11,T45 |
0 |
0 |
0 |
Covered |
T4,T5,T6 |
Assert Coverage for Module :
prim_subreg_shadow
Assertion Details
CheckSwAccessIsLegal_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
9950 |
9950 |
0 |
0 |
T4 |
10 |
10 |
0 |
0 |
T5 |
10 |
10 |
0 |
0 |
T6 |
10 |
10 |
0 |
0 |
T27 |
10 |
10 |
0 |
0 |
T28 |
10 |
10 |
0 |
0 |
T29 |
10 |
10 |
0 |
0 |
T30 |
10 |
10 |
0 |
0 |
T31 |
10 |
10 |
0 |
0 |
T32 |
10 |
10 |
0 |
0 |
T33 |
10 |
10 |
0 |
0 |
MubiIsNotYetSupported_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
440302872 |
413252158 |
0 |
0 |
T4 |
51346 |
50740 |
0 |
0 |
T5 |
40482 |
39854 |
0 |
0 |
T6 |
9992 |
8882 |
0 |
0 |
T27 |
17640 |
16992 |
0 |
0 |
T28 |
31168 |
30300 |
0 |
0 |
T29 |
21936 |
21040 |
0 |
0 |
T30 |
32242 |
31684 |
0 |
0 |
T31 |
125812 |
125296 |
0 |
0 |
T32 |
83692 |
82878 |
0 |
0 |
T33 |
27634 |
26646 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_io_meas_ctrl_shadowed_hi
| Line No. | Total | Covered | Percent |
TOTAL | | 16 | 16 | 100.00 |
CONT_ASSIGN | 94 | 1 | 1 | 100.00 |
ALWAYS | 100 | 6 | 6 | 100.00 |
CONT_ASSIGN | 113 | 1 | 1 | 100.00 |
CONT_ASSIGN | 114 | 0 | 0 | |
CONT_ASSIGN | 138 | 1 | 1 | 100.00 |
CONT_ASSIGN | 139 | 0 | 0 | |
CONT_ASSIGN | 160 | 1 | 1 | 100.00 |
CONT_ASSIGN | 161 | 0 | 0 | |
CONT_ASSIGN | 180 | 1 | 1 | 100.00 |
CONT_ASSIGN | 183 | 1 | 1 | 100.00 |
CONT_ASSIGN | 184 | 1 | 1 | 100.00 |
CONT_ASSIGN | 187 | 1 | 1 | 100.00 |
CONT_ASSIGN | 188 | 1 | 1 | 100.00 |
CONT_ASSIGN | 189 | 1 | 1 | 100.00 |
93 // - In case of RO, SW should not interfere with update process.
94 1/1 assign phase_clear = (SwAccess == SwAccessRO) ? 1'b0 : re;
Tests: T10 T11 T45
95
96 // Phase tracker:
97 // - Reads from SW clear the phase back to 0.
98 // - Writes have priority (can come from SW or HW).
99 always_ff @(posedge clk_i or negedge rst_ni) begin : phase_reg
100 1/1 if (!rst_ni) begin
Tests: T4 T5 T6
101 1/1 phase_q <= 1'b0;
Tests: T4 T5 T6
102 1/1 end else if (wr_en && !err_storage) begin
Tests: T4 T5 T6
103 1/1 phase_q <= ~phase_q;
Tests: T1 T2 T3
104 1/1 end else if (phase_clear || err_storage) begin
Tests: T4 T5 T6
105 1/1 phase_q <= 1'b0;
Tests: T10 T11 T45
106 end
MISSING_ELSE
107 end
108
109 // The staged register:
110 // - Holds the 1's complement value.
111 // - Written in Phase 0.
112 // - Once storage error occurs, do not allow any further update until reset
113 1/1 assign staged_we = we & ~phase_q & ~err_storage;
Tests: T1 T2 T3
114 unreachable assign staged_de = de & ~phase_q & ~err_storage;
115 prim_subreg #(
116 .DW ( DW ),
117 .SwAccess ( StagedSwAccess ),
118 .RESVAL ( ~RESVAL )
119 ) staged_reg (
120 .clk_i ( clk_i ),
121 .rst_ni ( rst_ni ),
122 .we ( staged_we ),
123 .wd ( ~wr_data ),
124 .de ( staged_de ),
125 .d ( ~d ),
126 .qe ( ),
127 .q ( staged_q ),
128 .ds ( ),
129 .qs ( )
130 );
131
132 // The shadow register:
133 // - Holds the 1's complement value.
134 // - Written in Phase 1.
135 // - Writes are ignored in case of update errors.
136 // - Gets the value from the staged register.
137 // - Once storage error occurs, do not allow any further update until reset
138 1/1 assign shadow_we = we & phase_q & ~err_update & ~err_storage;
Tests: T1 T2 T3
139 unreachable assign shadow_de = de & phase_q & ~err_update & ~err_storage;
140 prim_subreg #(
141 .DW ( DW ),
142 .SwAccess ( InvertedSwAccess ),
143 .RESVAL ( ~RESVAL )
144 ) shadow_reg (
145 .clk_i ( clk_i ),
146 .rst_ni ( rst_shadowed_ni ),
147 .we ( shadow_we ),
148 .wd ( staged_q ),
149 .de ( shadow_de ),
150 .d ( staged_q ),
151 .qe ( ),
152 .q ( shadow_q ),
153 .ds ( ),
154 .qs ( )
155 );
156
157 // The committed register:
158 // - Written in Phase 1.
159 // - Writes are ignored in case of update errors.
160 1/1 assign committed_we = shadow_we;
Tests: T1 T2 T3
161 unreachable assign committed_de = shadow_de;
162 prim_subreg #(
163 .DW ( DW ),
164 .SwAccess ( SwAccess ),
165 .RESVAL ( RESVAL )
166 ) committed_reg (
167 .clk_i ( clk_i ),
168 .rst_ni ( rst_ni ),
169 .we ( committed_we ),
170 .wd ( wr_data ),
171 .de ( committed_de ),
172 .d ( d ),
173 .qe ( committed_qe ),
174 .q ( committed_q ),
175 .ds ( ds ),
176 .qs ( committed_qs )
177 );
178
179 // Output phase for hwext.
180 1/1 assign phase = phase_q;
Tests: T1 T2 T3
181
182 // Error detection - all bits must match.
183 1/1 assign err_update = (~staged_q != wr_data) ? phase_q & wr_en : 1'b0;
Tests: T1 T2 T3
184 1/1 assign err_storage = (~shadow_q != committed_q);
Tests: T1 T2 T3
185
186 // Remaining output assignments
187 1/1 assign qe = committed_qe;
Tests: T1 T2 T3
188 1/1 assign q = committed_q;
Tests: T1 T2 T3
189 1/1 assign qs = committed_qs;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_io_meas_ctrl_shadowed_hi
| Total | Covered | Percent |
Conditions | 26 | 25 | 96.15 |
Logical | 26 | 25 | 96.15 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 102
EXPRESSION (wr_en && ((!err_storage)))
--1-- --------2-------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T4,T5,T6 |
1 | 0 | Covered | T105,T106,T107 |
1 | 1 | Covered | T1,T2,T3 |
LINE 104
EXPRESSION (phase_clear || err_storage)
-----1----- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T4,T5,T6 |
0 | 1 | Covered | T105,T106,T80 |
1 | 0 | Covered | T10,T11,T45 |
LINE 113
EXPRESSION (we & ((~phase_q)) & ((~err_storage)))
-1 ------2----- --------3-------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T4,T5,T6 |
1 | 0 | 1 | Covered | T1,T2,T3 |
1 | 1 | 0 | Covered | T105,T106,T107 |
1 | 1 | 1 | Covered | T1,T2,T3 |
LINE 114
EXPRESSION (de & ((~phase_q)) & ((~err_storage)))
-1 ------2----- --------3-------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T4,T5,T6 |
1 | 0 | 1 | Unreachable | |
1 | 1 | 0 | Unreachable | |
1 | 1 | 1 | Unreachable | |
LINE 138
EXPRESSION (we & phase_q & ((~err_update)) & ((~err_storage)))
-1 ---2--- -------3------- --------4-------
-1- | -2- | -3- | -4- | Status | Tests |
0 | 1 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | 1 | Covered | T1,T2,T3 |
1 | 1 | 0 | 1 | Covered | T80,T107,T108 |
1 | 1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | 1 | Covered | T1,T2,T3 |
LINE 139
EXPRESSION (de & phase_q & ((~err_update)) & ((~err_storage)))
-1 ---2--- -------3------- --------4-------
-1- | -2- | -3- | -4- | Status | Tests |
0 | 1 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | 1 | Unreachable | |
1 | 1 | 0 | 1 | Unreachable | |
1 | 1 | 1 | 0 | Unreachable | |
1 | 1 | 1 | 1 | Unreachable | |
LINE 183
EXPRESSION (((~staged_q) != wr_data) ? (phase_q & wr_en) : 1'b0)
------------1-----------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T4,T5,T6 |
LINE 183
SUB-EXPRESSION ((~staged_q) != wr_data)
------------1-----------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T4,T5,T6 |
LINE 183
SUB-EXPRESSION (phase_q & wr_en)
---1--- --2--
-1- | -2- | Status | Tests |
0 | 1 | Covered | T1,T2,T3 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T80,T107,T108 |
LINE 184
EXPRESSION ((~shadow_q) != committed_q)
--------------1-------------
-1- | Status | Tests |
0 | Covered | T4,T5,T6 |
1 | Covered | T105,T106,T80 |
Branch Coverage for Instance : tb.dut.u_reg.u_io_meas_ctrl_shadowed_hi
| Line No. | Total | Covered | Percent |
Branches |
|
6 |
6 |
100.00 |
TERNARY |
183 |
2 |
2 |
100.00 |
IF |
100 |
4 |
4 |
100.00 |
183 assign err_update = (~staged_q != wr_data) ? phase_q & wr_en : 1'b0;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T4,T5,T6 |
0 |
Covered |
T1,T2,T3 |
100 if (!rst_ni) begin
-1-
101 phase_q <= 1'b0;
==>
102 end else if (wr_en && !err_storage) begin
-2-
103 phase_q <= ~phase_q;
==>
104 end else if (phase_clear || err_storage) begin
-3-
105 phase_q <= 1'b0;
==>
106 end
MISSING_ELSE
==>
Branches:
-1- | -2- | -3- | Status | Tests |
1 |
- |
- |
Covered |
T4,T5,T6 |
0 |
1 |
- |
Covered |
T1,T2,T3 |
0 |
0 |
1 |
Covered |
T10,T11,T45 |
0 |
0 |
0 |
Covered |
T4,T5,T6 |
Assert Coverage for Instance : tb.dut.u_reg.u_io_meas_ctrl_shadowed_hi
Assertion Details
CheckSwAccessIsLegal_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
995 |
995 |
0 |
0 |
T4 |
1 |
1 |
0 |
0 |
T5 |
1 |
1 |
0 |
0 |
T6 |
1 |
1 |
0 |
0 |
T27 |
1 |
1 |
0 |
0 |
T28 |
1 |
1 |
0 |
0 |
T29 |
1 |
1 |
0 |
0 |
T30 |
1 |
1 |
0 |
0 |
T31 |
1 |
1 |
0 |
0 |
T32 |
1 |
1 |
0 |
0 |
T33 |
1 |
1 |
0 |
0 |
MubiIsNotYetSupported_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
65513582 |
60928710 |
0 |
0 |
T4 |
7725 |
7618 |
0 |
0 |
T5 |
6161 |
6054 |
0 |
0 |
T6 |
1550 |
1360 |
0 |
0 |
T27 |
2688 |
2581 |
0 |
0 |
T28 |
4670 |
4507 |
0 |
0 |
T29 |
3344 |
3196 |
0 |
0 |
T30 |
4738 |
4644 |
0 |
0 |
T31 |
19125 |
19032 |
0 |
0 |
T32 |
12500 |
12352 |
0 |
0 |
T33 |
4152 |
3990 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_io_meas_ctrl_shadowed_lo
| Line No. | Total | Covered | Percent |
TOTAL | | 16 | 16 | 100.00 |
CONT_ASSIGN | 94 | 1 | 1 | 100.00 |
ALWAYS | 100 | 6 | 6 | 100.00 |
CONT_ASSIGN | 113 | 1 | 1 | 100.00 |
CONT_ASSIGN | 114 | 0 | 0 | |
CONT_ASSIGN | 138 | 1 | 1 | 100.00 |
CONT_ASSIGN | 139 | 0 | 0 | |
CONT_ASSIGN | 160 | 1 | 1 | 100.00 |
CONT_ASSIGN | 161 | 0 | 0 | |
CONT_ASSIGN | 180 | 1 | 1 | 100.00 |
CONT_ASSIGN | 183 | 1 | 1 | 100.00 |
CONT_ASSIGN | 184 | 1 | 1 | 100.00 |
CONT_ASSIGN | 187 | 1 | 1 | 100.00 |
CONT_ASSIGN | 188 | 1 | 1 | 100.00 |
CONT_ASSIGN | 189 | 1 | 1 | 100.00 |
93 // - In case of RO, SW should not interfere with update process.
94 1/1 assign phase_clear = (SwAccess == SwAccessRO) ? 1'b0 : re;
Tests: T10 T11 T45
95
96 // Phase tracker:
97 // - Reads from SW clear the phase back to 0.
98 // - Writes have priority (can come from SW or HW).
99 always_ff @(posedge clk_i or negedge rst_ni) begin : phase_reg
100 1/1 if (!rst_ni) begin
Tests: T4 T5 T6
101 1/1 phase_q <= 1'b0;
Tests: T4 T5 T6
102 1/1 end else if (wr_en && !err_storage) begin
Tests: T4 T5 T6
103 1/1 phase_q <= ~phase_q;
Tests: T1 T2 T3
104 1/1 end else if (phase_clear || err_storage) begin
Tests: T4 T5 T6
105 1/1 phase_q <= 1'b0;
Tests: T10 T11 T45
106 end
MISSING_ELSE
107 end
108
109 // The staged register:
110 // - Holds the 1's complement value.
111 // - Written in Phase 0.
112 // - Once storage error occurs, do not allow any further update until reset
113 1/1 assign staged_we = we & ~phase_q & ~err_storage;
Tests: T1 T2 T3
114 unreachable assign staged_de = de & ~phase_q & ~err_storage;
115 prim_subreg #(
116 .DW ( DW ),
117 .SwAccess ( StagedSwAccess ),
118 .RESVAL ( ~RESVAL )
119 ) staged_reg (
120 .clk_i ( clk_i ),
121 .rst_ni ( rst_ni ),
122 .we ( staged_we ),
123 .wd ( ~wr_data ),
124 .de ( staged_de ),
125 .d ( ~d ),
126 .qe ( ),
127 .q ( staged_q ),
128 .ds ( ),
129 .qs ( )
130 );
131
132 // The shadow register:
133 // - Holds the 1's complement value.
134 // - Written in Phase 1.
135 // - Writes are ignored in case of update errors.
136 // - Gets the value from the staged register.
137 // - Once storage error occurs, do not allow any further update until reset
138 1/1 assign shadow_we = we & phase_q & ~err_update & ~err_storage;
Tests: T1 T2 T3
139 unreachable assign shadow_de = de & phase_q & ~err_update & ~err_storage;
140 prim_subreg #(
141 .DW ( DW ),
142 .SwAccess ( InvertedSwAccess ),
143 .RESVAL ( ~RESVAL )
144 ) shadow_reg (
145 .clk_i ( clk_i ),
146 .rst_ni ( rst_shadowed_ni ),
147 .we ( shadow_we ),
148 .wd ( staged_q ),
149 .de ( shadow_de ),
150 .d ( staged_q ),
151 .qe ( ),
152 .q ( shadow_q ),
153 .ds ( ),
154 .qs ( )
155 );
156
157 // The committed register:
158 // - Written in Phase 1.
159 // - Writes are ignored in case of update errors.
160 1/1 assign committed_we = shadow_we;
Tests: T1 T2 T3
161 unreachable assign committed_de = shadow_de;
162 prim_subreg #(
163 .DW ( DW ),
164 .SwAccess ( SwAccess ),
165 .RESVAL ( RESVAL )
166 ) committed_reg (
167 .clk_i ( clk_i ),
168 .rst_ni ( rst_ni ),
169 .we ( committed_we ),
170 .wd ( wr_data ),
171 .de ( committed_de ),
172 .d ( d ),
173 .qe ( committed_qe ),
174 .q ( committed_q ),
175 .ds ( ds ),
176 .qs ( committed_qs )
177 );
178
179 // Output phase for hwext.
180 1/1 assign phase = phase_q;
Tests: T1 T2 T3
181
182 // Error detection - all bits must match.
183 1/1 assign err_update = (~staged_q != wr_data) ? phase_q & wr_en : 1'b0;
Tests: T1 T2 T3
184 1/1 assign err_storage = (~shadow_q != committed_q);
Tests: T1 T2 T3
185
186 // Remaining output assignments
187 1/1 assign qe = committed_qe;
Tests: T1 T2 T3
188 1/1 assign q = committed_q;
Tests: T1 T2 T3
189 1/1 assign qs = committed_qs;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_io_meas_ctrl_shadowed_lo
| Total | Covered | Percent |
Conditions | 26 | 25 | 96.15 |
Logical | 26 | 25 | 96.15 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 102
EXPRESSION (wr_en && ((!err_storage)))
--1-- --------2-------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T4,T5,T6 |
1 | 0 | Covered | T105,T106,T109 |
1 | 1 | Covered | T1,T2,T3 |
LINE 104
EXPRESSION (phase_clear || err_storage)
-----1----- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T4,T5,T6 |
0 | 1 | Covered | T105,T106,T80 |
1 | 0 | Covered | T10,T11,T45 |
LINE 113
EXPRESSION (we & ((~phase_q)) & ((~err_storage)))
-1 ------2----- --------3-------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T4,T5,T6 |
1 | 0 | 1 | Covered | T1,T2,T3 |
1 | 1 | 0 | Covered | T105,T106,T109 |
1 | 1 | 1 | Covered | T1,T2,T3 |
LINE 114
EXPRESSION (de & ((~phase_q)) & ((~err_storage)))
-1 ------2----- --------3-------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T4,T5,T6 |
1 | 0 | 1 | Unreachable | |
1 | 1 | 0 | Unreachable | |
1 | 1 | 1 | Unreachable | |
LINE 138
EXPRESSION (we & phase_q & ((~err_update)) & ((~err_storage)))
-1 ---2--- -------3------- --------4-------
-1- | -2- | -3- | -4- | Status | Tests |
0 | 1 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | 1 | Covered | T1,T2,T3 |
1 | 1 | 0 | 1 | Covered | T105,T80,T107 |
1 | 1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | 1 | Covered | T1,T2,T3 |
LINE 139
EXPRESSION (de & phase_q & ((~err_update)) & ((~err_storage)))
-1 ---2--- -------3------- --------4-------
-1- | -2- | -3- | -4- | Status | Tests |
0 | 1 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | 1 | Unreachable | |
1 | 1 | 0 | 1 | Unreachable | |
1 | 1 | 1 | 0 | Unreachable | |
1 | 1 | 1 | 1 | Unreachable | |
LINE 183
EXPRESSION (((~staged_q) != wr_data) ? (phase_q & wr_en) : 1'b0)
------------1-----------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T4,T5,T6 |
LINE 183
SUB-EXPRESSION ((~staged_q) != wr_data)
------------1-----------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T4,T5,T6 |
LINE 183
SUB-EXPRESSION (phase_q & wr_en)
---1--- --2--
-1- | -2- | Status | Tests |
0 | 1 | Covered | T1,T2,T3 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T105,T80,T107 |
LINE 184
EXPRESSION ((~shadow_q) != committed_q)
--------------1-------------
-1- | Status | Tests |
0 | Covered | T4,T5,T6 |
1 | Covered | T105,T106,T80 |
Branch Coverage for Instance : tb.dut.u_reg.u_io_meas_ctrl_shadowed_lo
| Line No. | Total | Covered | Percent |
Branches |
|
6 |
6 |
100.00 |
TERNARY |
183 |
2 |
2 |
100.00 |
IF |
100 |
4 |
4 |
100.00 |
183 assign err_update = (~staged_q != wr_data) ? phase_q & wr_en : 1'b0;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T4,T5,T6 |
0 |
Covered |
T1,T2,T3 |
100 if (!rst_ni) begin
-1-
101 phase_q <= 1'b0;
==>
102 end else if (wr_en && !err_storage) begin
-2-
103 phase_q <= ~phase_q;
==>
104 end else if (phase_clear || err_storage) begin
-3-
105 phase_q <= 1'b0;
==>
106 end
MISSING_ELSE
==>
Branches:
-1- | -2- | -3- | Status | Tests |
1 |
- |
- |
Covered |
T4,T5,T6 |
0 |
1 |
- |
Covered |
T1,T2,T3 |
0 |
0 |
1 |
Covered |
T10,T11,T45 |
0 |
0 |
0 |
Covered |
T4,T5,T6 |
Assert Coverage for Instance : tb.dut.u_reg.u_io_meas_ctrl_shadowed_lo
Assertion Details
CheckSwAccessIsLegal_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
995 |
995 |
0 |
0 |
T4 |
1 |
1 |
0 |
0 |
T5 |
1 |
1 |
0 |
0 |
T6 |
1 |
1 |
0 |
0 |
T27 |
1 |
1 |
0 |
0 |
T28 |
1 |
1 |
0 |
0 |
T29 |
1 |
1 |
0 |
0 |
T30 |
1 |
1 |
0 |
0 |
T31 |
1 |
1 |
0 |
0 |
T32 |
1 |
1 |
0 |
0 |
T33 |
1 |
1 |
0 |
0 |
MubiIsNotYetSupported_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
65513582 |
60928710 |
0 |
0 |
T4 |
7725 |
7618 |
0 |
0 |
T5 |
6161 |
6054 |
0 |
0 |
T6 |
1550 |
1360 |
0 |
0 |
T27 |
2688 |
2581 |
0 |
0 |
T28 |
4670 |
4507 |
0 |
0 |
T29 |
3344 |
3196 |
0 |
0 |
T30 |
4738 |
4644 |
0 |
0 |
T31 |
19125 |
19032 |
0 |
0 |
T32 |
12500 |
12352 |
0 |
0 |
T33 |
4152 |
3990 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_io_div2_meas_ctrl_shadowed_hi
| Line No. | Total | Covered | Percent |
TOTAL | | 16 | 16 | 100.00 |
CONT_ASSIGN | 94 | 1 | 1 | 100.00 |
ALWAYS | 100 | 6 | 6 | 100.00 |
CONT_ASSIGN | 113 | 1 | 1 | 100.00 |
CONT_ASSIGN | 114 | 0 | 0 | |
CONT_ASSIGN | 138 | 1 | 1 | 100.00 |
CONT_ASSIGN | 139 | 0 | 0 | |
CONT_ASSIGN | 160 | 1 | 1 | 100.00 |
CONT_ASSIGN | 161 | 0 | 0 | |
CONT_ASSIGN | 180 | 1 | 1 | 100.00 |
CONT_ASSIGN | 183 | 1 | 1 | 100.00 |
CONT_ASSIGN | 184 | 1 | 1 | 100.00 |
CONT_ASSIGN | 187 | 1 | 1 | 100.00 |
CONT_ASSIGN | 188 | 1 | 1 | 100.00 |
CONT_ASSIGN | 189 | 1 | 1 | 100.00 |
93 // - In case of RO, SW should not interfere with update process.
94 1/1 assign phase_clear = (SwAccess == SwAccessRO) ? 1'b0 : re;
Tests: T10 T11 T45
95
96 // Phase tracker:
97 // - Reads from SW clear the phase back to 0.
98 // - Writes have priority (can come from SW or HW).
99 always_ff @(posedge clk_i or negedge rst_ni) begin : phase_reg
100 1/1 if (!rst_ni) begin
Tests: T4 T5 T6
101 1/1 phase_q <= 1'b0;
Tests: T4 T5 T6
102 1/1 end else if (wr_en && !err_storage) begin
Tests: T4 T5 T6
103 1/1 phase_q <= ~phase_q;
Tests: T1 T2 T3
104 1/1 end else if (phase_clear || err_storage) begin
Tests: T4 T5 T6
105 1/1 phase_q <= 1'b0;
Tests: T10 T11 T45
106 end
MISSING_ELSE
107 end
108
109 // The staged register:
110 // - Holds the 1's complement value.
111 // - Written in Phase 0.
112 // - Once storage error occurs, do not allow any further update until reset
113 1/1 assign staged_we = we & ~phase_q & ~err_storage;
Tests: T1 T2 T3
114 unreachable assign staged_de = de & ~phase_q & ~err_storage;
115 prim_subreg #(
116 .DW ( DW ),
117 .SwAccess ( StagedSwAccess ),
118 .RESVAL ( ~RESVAL )
119 ) staged_reg (
120 .clk_i ( clk_i ),
121 .rst_ni ( rst_ni ),
122 .we ( staged_we ),
123 .wd ( ~wr_data ),
124 .de ( staged_de ),
125 .d ( ~d ),
126 .qe ( ),
127 .q ( staged_q ),
128 .ds ( ),
129 .qs ( )
130 );
131
132 // The shadow register:
133 // - Holds the 1's complement value.
134 // - Written in Phase 1.
135 // - Writes are ignored in case of update errors.
136 // - Gets the value from the staged register.
137 // - Once storage error occurs, do not allow any further update until reset
138 1/1 assign shadow_we = we & phase_q & ~err_update & ~err_storage;
Tests: T1 T2 T3
139 unreachable assign shadow_de = de & phase_q & ~err_update & ~err_storage;
140 prim_subreg #(
141 .DW ( DW ),
142 .SwAccess ( InvertedSwAccess ),
143 .RESVAL ( ~RESVAL )
144 ) shadow_reg (
145 .clk_i ( clk_i ),
146 .rst_ni ( rst_shadowed_ni ),
147 .we ( shadow_we ),
148 .wd ( staged_q ),
149 .de ( shadow_de ),
150 .d ( staged_q ),
151 .qe ( ),
152 .q ( shadow_q ),
153 .ds ( ),
154 .qs ( )
155 );
156
157 // The committed register:
158 // - Written in Phase 1.
159 // - Writes are ignored in case of update errors.
160 1/1 assign committed_we = shadow_we;
Tests: T1 T2 T3
161 unreachable assign committed_de = shadow_de;
162 prim_subreg #(
163 .DW ( DW ),
164 .SwAccess ( SwAccess ),
165 .RESVAL ( RESVAL )
166 ) committed_reg (
167 .clk_i ( clk_i ),
168 .rst_ni ( rst_ni ),
169 .we ( committed_we ),
170 .wd ( wr_data ),
171 .de ( committed_de ),
172 .d ( d ),
173 .qe ( committed_qe ),
174 .q ( committed_q ),
175 .ds ( ds ),
176 .qs ( committed_qs )
177 );
178
179 // Output phase for hwext.
180 1/1 assign phase = phase_q;
Tests: T1 T2 T3
181
182 // Error detection - all bits must match.
183 1/1 assign err_update = (~staged_q != wr_data) ? phase_q & wr_en : 1'b0;
Tests: T1 T2 T3
184 1/1 assign err_storage = (~shadow_q != committed_q);
Tests: T1 T2 T3
185
186 // Remaining output assignments
187 1/1 assign qe = committed_qe;
Tests: T1 T2 T3
188 1/1 assign q = committed_q;
Tests: T1 T2 T3
189 1/1 assign qs = committed_qs;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_io_div2_meas_ctrl_shadowed_hi
| Total | Covered | Percent |
Conditions | 26 | 25 | 96.15 |
Logical | 26 | 25 | 96.15 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 102
EXPRESSION (wr_en && ((!err_storage)))
--1-- --------2-------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T4,T5,T6 |
1 | 0 | Covered | T105,T106,T107 |
1 | 1 | Covered | T1,T2,T3 |
LINE 104
EXPRESSION (phase_clear || err_storage)
-----1----- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T4,T5,T6 |
0 | 1 | Covered | T79,T105,T106 |
1 | 0 | Covered | T10,T11,T45 |
LINE 113
EXPRESSION (we & ((~phase_q)) & ((~err_storage)))
-1 ------2----- --------3-------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T4,T5,T6 |
1 | 0 | 1 | Covered | T1,T2,T3 |
1 | 1 | 0 | Covered | T105,T106,T107 |
1 | 1 | 1 | Covered | T1,T2,T3 |
LINE 114
EXPRESSION (de & ((~phase_q)) & ((~err_storage)))
-1 ------2----- --------3-------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T4,T5,T6 |
1 | 0 | 1 | Unreachable | |
1 | 1 | 0 | Unreachable | |
1 | 1 | 1 | Unreachable | |
LINE 138
EXPRESSION (we & phase_q & ((~err_update)) & ((~err_storage)))
-1 ---2--- -------3------- --------4-------
-1- | -2- | -3- | -4- | Status | Tests |
0 | 1 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | 1 | Covered | T1,T2,T3 |
1 | 1 | 0 | 1 | Covered | T79,T105,T106 |
1 | 1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | 1 | Covered | T1,T2,T3 |
LINE 139
EXPRESSION (de & phase_q & ((~err_update)) & ((~err_storage)))
-1 ---2--- -------3------- --------4-------
-1- | -2- | -3- | -4- | Status | Tests |
0 | 1 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | 1 | Unreachable | |
1 | 1 | 0 | 1 | Unreachable | |
1 | 1 | 1 | 0 | Unreachable | |
1 | 1 | 1 | 1 | Unreachable | |
LINE 183
EXPRESSION (((~staged_q) != wr_data) ? (phase_q & wr_en) : 1'b0)
------------1-----------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T4,T5,T6 |
LINE 183
SUB-EXPRESSION ((~staged_q) != wr_data)
------------1-----------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T4,T5,T6 |
LINE 183
SUB-EXPRESSION (phase_q & wr_en)
---1--- --2--
-1- | -2- | Status | Tests |
0 | 1 | Covered | T1,T2,T3 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T79,T105,T106 |
LINE 184
EXPRESSION ((~shadow_q) != committed_q)
--------------1-------------
-1- | Status | Tests |
0 | Covered | T4,T5,T6 |
1 | Covered | T79,T105,T106 |
Branch Coverage for Instance : tb.dut.u_reg.u_io_div2_meas_ctrl_shadowed_hi
| Line No. | Total | Covered | Percent |
Branches |
|
6 |
6 |
100.00 |
TERNARY |
183 |
2 |
2 |
100.00 |
IF |
100 |
4 |
4 |
100.00 |
183 assign err_update = (~staged_q != wr_data) ? phase_q & wr_en : 1'b0;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T4,T5,T6 |
0 |
Covered |
T1,T2,T3 |
100 if (!rst_ni) begin
-1-
101 phase_q <= 1'b0;
==>
102 end else if (wr_en && !err_storage) begin
-2-
103 phase_q <= ~phase_q;
==>
104 end else if (phase_clear || err_storage) begin
-3-
105 phase_q <= 1'b0;
==>
106 end
MISSING_ELSE
==>
Branches:
-1- | -2- | -3- | Status | Tests |
1 |
- |
- |
Covered |
T4,T5,T6 |
0 |
1 |
- |
Covered |
T1,T2,T3 |
0 |
0 |
1 |
Covered |
T10,T11,T45 |
0 |
0 |
0 |
Covered |
T4,T5,T6 |
Assert Coverage for Instance : tb.dut.u_reg.u_io_div2_meas_ctrl_shadowed_hi
Assertion Details
CheckSwAccessIsLegal_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
995 |
995 |
0 |
0 |
T4 |
1 |
1 |
0 |
0 |
T5 |
1 |
1 |
0 |
0 |
T6 |
1 |
1 |
0 |
0 |
T27 |
1 |
1 |
0 |
0 |
T28 |
1 |
1 |
0 |
0 |
T29 |
1 |
1 |
0 |
0 |
T30 |
1 |
1 |
0 |
0 |
T31 |
1 |
1 |
0 |
0 |
T32 |
1 |
1 |
0 |
0 |
T33 |
1 |
1 |
0 |
0 |
MubiIsNotYetSupported_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
31802895 |
30637709 |
0 |
0 |
T4 |
4026 |
4005 |
0 |
0 |
T5 |
3055 |
3027 |
0 |
0 |
T6 |
728 |
680 |
0 |
0 |
T27 |
1325 |
1291 |
0 |
0 |
T28 |
2476 |
2462 |
0 |
0 |
T29 |
1646 |
1598 |
0 |
0 |
T30 |
2720 |
2692 |
0 |
0 |
T31 |
9530 |
9516 |
0 |
0 |
T32 |
6717 |
6696 |
0 |
0 |
T33 |
2176 |
2121 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_io_div2_meas_ctrl_shadowed_lo
| Line No. | Total | Covered | Percent |
TOTAL | | 16 | 16 | 100.00 |
CONT_ASSIGN | 94 | 1 | 1 | 100.00 |
ALWAYS | 100 | 6 | 6 | 100.00 |
CONT_ASSIGN | 113 | 1 | 1 | 100.00 |
CONT_ASSIGN | 114 | 0 | 0 | |
CONT_ASSIGN | 138 | 1 | 1 | 100.00 |
CONT_ASSIGN | 139 | 0 | 0 | |
CONT_ASSIGN | 160 | 1 | 1 | 100.00 |
CONT_ASSIGN | 161 | 0 | 0 | |
CONT_ASSIGN | 180 | 1 | 1 | 100.00 |
CONT_ASSIGN | 183 | 1 | 1 | 100.00 |
CONT_ASSIGN | 184 | 1 | 1 | 100.00 |
CONT_ASSIGN | 187 | 1 | 1 | 100.00 |
CONT_ASSIGN | 188 | 1 | 1 | 100.00 |
CONT_ASSIGN | 189 | 1 | 1 | 100.00 |
93 // - In case of RO, SW should not interfere with update process.
94 1/1 assign phase_clear = (SwAccess == SwAccessRO) ? 1'b0 : re;
Tests: T10 T11 T45
95
96 // Phase tracker:
97 // - Reads from SW clear the phase back to 0.
98 // - Writes have priority (can come from SW or HW).
99 always_ff @(posedge clk_i or negedge rst_ni) begin : phase_reg
100 1/1 if (!rst_ni) begin
Tests: T4 T5 T6
101 1/1 phase_q <= 1'b0;
Tests: T4 T5 T6
102 1/1 end else if (wr_en && !err_storage) begin
Tests: T4 T5 T6
103 1/1 phase_q <= ~phase_q;
Tests: T1 T2 T3
104 1/1 end else if (phase_clear || err_storage) begin
Tests: T4 T5 T6
105 1/1 phase_q <= 1'b0;
Tests: T10 T11 T45
106 end
MISSING_ELSE
107 end
108
109 // The staged register:
110 // - Holds the 1's complement value.
111 // - Written in Phase 0.
112 // - Once storage error occurs, do not allow any further update until reset
113 1/1 assign staged_we = we & ~phase_q & ~err_storage;
Tests: T1 T2 T3
114 unreachable assign staged_de = de & ~phase_q & ~err_storage;
115 prim_subreg #(
116 .DW ( DW ),
117 .SwAccess ( StagedSwAccess ),
118 .RESVAL ( ~RESVAL )
119 ) staged_reg (
120 .clk_i ( clk_i ),
121 .rst_ni ( rst_ni ),
122 .we ( staged_we ),
123 .wd ( ~wr_data ),
124 .de ( staged_de ),
125 .d ( ~d ),
126 .qe ( ),
127 .q ( staged_q ),
128 .ds ( ),
129 .qs ( )
130 );
131
132 // The shadow register:
133 // - Holds the 1's complement value.
134 // - Written in Phase 1.
135 // - Writes are ignored in case of update errors.
136 // - Gets the value from the staged register.
137 // - Once storage error occurs, do not allow any further update until reset
138 1/1 assign shadow_we = we & phase_q & ~err_update & ~err_storage;
Tests: T1 T2 T3
139 unreachable assign shadow_de = de & phase_q & ~err_update & ~err_storage;
140 prim_subreg #(
141 .DW ( DW ),
142 .SwAccess ( InvertedSwAccess ),
143 .RESVAL ( ~RESVAL )
144 ) shadow_reg (
145 .clk_i ( clk_i ),
146 .rst_ni ( rst_shadowed_ni ),
147 .we ( shadow_we ),
148 .wd ( staged_q ),
149 .de ( shadow_de ),
150 .d ( staged_q ),
151 .qe ( ),
152 .q ( shadow_q ),
153 .ds ( ),
154 .qs ( )
155 );
156
157 // The committed register:
158 // - Written in Phase 1.
159 // - Writes are ignored in case of update errors.
160 1/1 assign committed_we = shadow_we;
Tests: T1 T2 T3
161 unreachable assign committed_de = shadow_de;
162 prim_subreg #(
163 .DW ( DW ),
164 .SwAccess ( SwAccess ),
165 .RESVAL ( RESVAL )
166 ) committed_reg (
167 .clk_i ( clk_i ),
168 .rst_ni ( rst_ni ),
169 .we ( committed_we ),
170 .wd ( wr_data ),
171 .de ( committed_de ),
172 .d ( d ),
173 .qe ( committed_qe ),
174 .q ( committed_q ),
175 .ds ( ds ),
176 .qs ( committed_qs )
177 );
178
179 // Output phase for hwext.
180 1/1 assign phase = phase_q;
Tests: T1 T2 T3
181
182 // Error detection - all bits must match.
183 1/1 assign err_update = (~staged_q != wr_data) ? phase_q & wr_en : 1'b0;
Tests: T1 T2 T3
184 1/1 assign err_storage = (~shadow_q != committed_q);
Tests: T1 T2 T3
185
186 // Remaining output assignments
187 1/1 assign qe = committed_qe;
Tests: T1 T2 T3
188 1/1 assign q = committed_q;
Tests: T1 T2 T3
189 1/1 assign qs = committed_qs;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_io_div2_meas_ctrl_shadowed_lo
| Total | Covered | Percent |
Conditions | 26 | 25 | 96.15 |
Logical | 26 | 25 | 96.15 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 102
EXPRESSION (wr_en && ((!err_storage)))
--1-- --------2-------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T4,T5,T6 |
1 | 0 | Covered | T105,T106,T107 |
1 | 1 | Covered | T1,T2,T3 |
LINE 104
EXPRESSION (phase_clear || err_storage)
-----1----- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T4,T5,T6 |
0 | 1 | Covered | T105,T106,T80 |
1 | 0 | Covered | T10,T11,T45 |
LINE 113
EXPRESSION (we & ((~phase_q)) & ((~err_storage)))
-1 ------2----- --------3-------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T4,T5,T6 |
1 | 0 | 1 | Covered | T1,T2,T3 |
1 | 1 | 0 | Covered | T105,T106,T107 |
1 | 1 | 1 | Covered | T1,T2,T3 |
LINE 114
EXPRESSION (de & ((~phase_q)) & ((~err_storage)))
-1 ------2----- --------3-------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T4,T5,T6 |
1 | 0 | 1 | Unreachable | |
1 | 1 | 0 | Unreachable | |
1 | 1 | 1 | Unreachable | |
LINE 138
EXPRESSION (we & phase_q & ((~err_update)) & ((~err_storage)))
-1 ---2--- -------3------- --------4-------
-1- | -2- | -3- | -4- | Status | Tests |
0 | 1 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | 1 | Covered | T1,T2,T3 |
1 | 1 | 0 | 1 | Covered | T79,T105,T106 |
1 | 1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | 1 | Covered | T1,T2,T3 |
LINE 139
EXPRESSION (de & phase_q & ((~err_update)) & ((~err_storage)))
-1 ---2--- -------3------- --------4-------
-1- | -2- | -3- | -4- | Status | Tests |
0 | 1 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | 1 | Unreachable | |
1 | 1 | 0 | 1 | Unreachable | |
1 | 1 | 1 | 0 | Unreachable | |
1 | 1 | 1 | 1 | Unreachable | |
LINE 183
EXPRESSION (((~staged_q) != wr_data) ? (phase_q & wr_en) : 1'b0)
------------1-----------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T4,T5,T6 |
LINE 183
SUB-EXPRESSION ((~staged_q) != wr_data)
------------1-----------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T4,T5,T6 |
LINE 183
SUB-EXPRESSION (phase_q & wr_en)
---1--- --2--
-1- | -2- | Status | Tests |
0 | 1 | Covered | T1,T2,T3 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T79,T105,T106 |
LINE 184
EXPRESSION ((~shadow_q) != committed_q)
--------------1-------------
-1- | Status | Tests |
0 | Covered | T4,T5,T6 |
1 | Covered | T105,T106,T80 |
Branch Coverage for Instance : tb.dut.u_reg.u_io_div2_meas_ctrl_shadowed_lo
| Line No. | Total | Covered | Percent |
Branches |
|
6 |
6 |
100.00 |
TERNARY |
183 |
2 |
2 |
100.00 |
IF |
100 |
4 |
4 |
100.00 |
183 assign err_update = (~staged_q != wr_data) ? phase_q & wr_en : 1'b0;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T4,T5,T6 |
0 |
Covered |
T1,T2,T3 |
100 if (!rst_ni) begin
-1-
101 phase_q <= 1'b0;
==>
102 end else if (wr_en && !err_storage) begin
-2-
103 phase_q <= ~phase_q;
==>
104 end else if (phase_clear || err_storage) begin
-3-
105 phase_q <= 1'b0;
==>
106 end
MISSING_ELSE
==>
Branches:
-1- | -2- | -3- | Status | Tests |
1 |
- |
- |
Covered |
T4,T5,T6 |
0 |
1 |
- |
Covered |
T1,T2,T3 |
0 |
0 |
1 |
Covered |
T10,T11,T45 |
0 |
0 |
0 |
Covered |
T4,T5,T6 |
Assert Coverage for Instance : tb.dut.u_reg.u_io_div2_meas_ctrl_shadowed_lo
Assertion Details
CheckSwAccessIsLegal_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
995 |
995 |
0 |
0 |
T4 |
1 |
1 |
0 |
0 |
T5 |
1 |
1 |
0 |
0 |
T6 |
1 |
1 |
0 |
0 |
T27 |
1 |
1 |
0 |
0 |
T28 |
1 |
1 |
0 |
0 |
T29 |
1 |
1 |
0 |
0 |
T30 |
1 |
1 |
0 |
0 |
T31 |
1 |
1 |
0 |
0 |
T32 |
1 |
1 |
0 |
0 |
T33 |
1 |
1 |
0 |
0 |
MubiIsNotYetSupported_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
31802895 |
30637709 |
0 |
0 |
T4 |
4026 |
4005 |
0 |
0 |
T5 |
3055 |
3027 |
0 |
0 |
T6 |
728 |
680 |
0 |
0 |
T27 |
1325 |
1291 |
0 |
0 |
T28 |
2476 |
2462 |
0 |
0 |
T29 |
1646 |
1598 |
0 |
0 |
T30 |
2720 |
2692 |
0 |
0 |
T31 |
9530 |
9516 |
0 |
0 |
T32 |
6717 |
6696 |
0 |
0 |
T33 |
2176 |
2121 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_io_div4_meas_ctrl_shadowed_hi
| Line No. | Total | Covered | Percent |
TOTAL | | 16 | 16 | 100.00 |
CONT_ASSIGN | 94 | 1 | 1 | 100.00 |
ALWAYS | 100 | 6 | 6 | 100.00 |
CONT_ASSIGN | 113 | 1 | 1 | 100.00 |
CONT_ASSIGN | 114 | 0 | 0 | |
CONT_ASSIGN | 138 | 1 | 1 | 100.00 |
CONT_ASSIGN | 139 | 0 | 0 | |
CONT_ASSIGN | 160 | 1 | 1 | 100.00 |
CONT_ASSIGN | 161 | 0 | 0 | |
CONT_ASSIGN | 180 | 1 | 1 | 100.00 |
CONT_ASSIGN | 183 | 1 | 1 | 100.00 |
CONT_ASSIGN | 184 | 1 | 1 | 100.00 |
CONT_ASSIGN | 187 | 1 | 1 | 100.00 |
CONT_ASSIGN | 188 | 1 | 1 | 100.00 |
CONT_ASSIGN | 189 | 1 | 1 | 100.00 |
93 // - In case of RO, SW should not interfere with update process.
94 1/1 assign phase_clear = (SwAccess == SwAccessRO) ? 1'b0 : re;
Tests: T10 T11 T45
95
96 // Phase tracker:
97 // - Reads from SW clear the phase back to 0.
98 // - Writes have priority (can come from SW or HW).
99 always_ff @(posedge clk_i or negedge rst_ni) begin : phase_reg
100 1/1 if (!rst_ni) begin
Tests: T4 T5 T6
101 1/1 phase_q <= 1'b0;
Tests: T4 T5 T6
102 1/1 end else if (wr_en && !err_storage) begin
Tests: T4 T5 T6
103 1/1 phase_q <= ~phase_q;
Tests: T1 T2 T3
104 1/1 end else if (phase_clear || err_storage) begin
Tests: T4 T5 T6
105 1/1 phase_q <= 1'b0;
Tests: T10 T11 T45
106 end
MISSING_ELSE
107 end
108
109 // The staged register:
110 // - Holds the 1's complement value.
111 // - Written in Phase 0.
112 // - Once storage error occurs, do not allow any further update until reset
113 1/1 assign staged_we = we & ~phase_q & ~err_storage;
Tests: T1 T2 T3
114 unreachable assign staged_de = de & ~phase_q & ~err_storage;
115 prim_subreg #(
116 .DW ( DW ),
117 .SwAccess ( StagedSwAccess ),
118 .RESVAL ( ~RESVAL )
119 ) staged_reg (
120 .clk_i ( clk_i ),
121 .rst_ni ( rst_ni ),
122 .we ( staged_we ),
123 .wd ( ~wr_data ),
124 .de ( staged_de ),
125 .d ( ~d ),
126 .qe ( ),
127 .q ( staged_q ),
128 .ds ( ),
129 .qs ( )
130 );
131
132 // The shadow register:
133 // - Holds the 1's complement value.
134 // - Written in Phase 1.
135 // - Writes are ignored in case of update errors.
136 // - Gets the value from the staged register.
137 // - Once storage error occurs, do not allow any further update until reset
138 1/1 assign shadow_we = we & phase_q & ~err_update & ~err_storage;
Tests: T1 T2 T3
139 unreachable assign shadow_de = de & phase_q & ~err_update & ~err_storage;
140 prim_subreg #(
141 .DW ( DW ),
142 .SwAccess ( InvertedSwAccess ),
143 .RESVAL ( ~RESVAL )
144 ) shadow_reg (
145 .clk_i ( clk_i ),
146 .rst_ni ( rst_shadowed_ni ),
147 .we ( shadow_we ),
148 .wd ( staged_q ),
149 .de ( shadow_de ),
150 .d ( staged_q ),
151 .qe ( ),
152 .q ( shadow_q ),
153 .ds ( ),
154 .qs ( )
155 );
156
157 // The committed register:
158 // - Written in Phase 1.
159 // - Writes are ignored in case of update errors.
160 1/1 assign committed_we = shadow_we;
Tests: T1 T2 T3
161 unreachable assign committed_de = shadow_de;
162 prim_subreg #(
163 .DW ( DW ),
164 .SwAccess ( SwAccess ),
165 .RESVAL ( RESVAL )
166 ) committed_reg (
167 .clk_i ( clk_i ),
168 .rst_ni ( rst_ni ),
169 .we ( committed_we ),
170 .wd ( wr_data ),
171 .de ( committed_de ),
172 .d ( d ),
173 .qe ( committed_qe ),
174 .q ( committed_q ),
175 .ds ( ds ),
176 .qs ( committed_qs )
177 );
178
179 // Output phase for hwext.
180 1/1 assign phase = phase_q;
Tests: T1 T2 T3
181
182 // Error detection - all bits must match.
183 1/1 assign err_update = (~staged_q != wr_data) ? phase_q & wr_en : 1'b0;
Tests: T1 T2 T3
184 1/1 assign err_storage = (~shadow_q != committed_q);
Tests: T1 T2 T3
185
186 // Remaining output assignments
187 1/1 assign qe = committed_qe;
Tests: T1 T2 T3
188 1/1 assign q = committed_q;
Tests: T1 T2 T3
189 1/1 assign qs = committed_qs;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_io_div4_meas_ctrl_shadowed_hi
| Total | Covered | Percent |
Conditions | 26 | 25 | 96.15 |
Logical | 26 | 25 | 96.15 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 102
EXPRESSION (wr_en && ((!err_storage)))
--1-- --------2-------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T4,T5,T6 |
1 | 0 | Covered | T105,T106,T107 |
1 | 1 | Covered | T1,T2,T3 |
LINE 104
EXPRESSION (phase_clear || err_storage)
-----1----- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T4,T5,T6 |
0 | 1 | Covered | T79,T105,T106 |
1 | 0 | Covered | T10,T11,T45 |
LINE 113
EXPRESSION (we & ((~phase_q)) & ((~err_storage)))
-1 ------2----- --------3-------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T4,T5,T6 |
1 | 0 | 1 | Covered | T1,T2,T3 |
1 | 1 | 0 | Covered | T105,T106,T107 |
1 | 1 | 1 | Covered | T1,T2,T3 |
LINE 114
EXPRESSION (de & ((~phase_q)) & ((~err_storage)))
-1 ------2----- --------3-------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T4,T5,T6 |
1 | 0 | 1 | Unreachable | |
1 | 1 | 0 | Unreachable | |
1 | 1 | 1 | Unreachable | |
LINE 138
EXPRESSION (we & phase_q & ((~err_update)) & ((~err_storage)))
-1 ---2--- -------3------- --------4-------
-1- | -2- | -3- | -4- | Status | Tests |
0 | 1 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | 1 | Covered | T1,T2,T3 |
1 | 1 | 0 | 1 | Covered | T79,T106,T80 |
1 | 1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | 1 | Covered | T1,T2,T3 |
LINE 139
EXPRESSION (de & phase_q & ((~err_update)) & ((~err_storage)))
-1 ---2--- -------3------- --------4-------
-1- | -2- | -3- | -4- | Status | Tests |
0 | 1 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | 1 | Unreachable | |
1 | 1 | 0 | 1 | Unreachable | |
1 | 1 | 1 | 0 | Unreachable | |
1 | 1 | 1 | 1 | Unreachable | |
LINE 183
EXPRESSION (((~staged_q) != wr_data) ? (phase_q & wr_en) : 1'b0)
------------1-----------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T4,T5,T6 |
LINE 183
SUB-EXPRESSION ((~staged_q) != wr_data)
------------1-----------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T4,T5,T6 |
LINE 183
SUB-EXPRESSION (phase_q & wr_en)
---1--- --2--
-1- | -2- | Status | Tests |
0 | 1 | Covered | T1,T2,T3 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T79,T106,T80 |
LINE 184
EXPRESSION ((~shadow_q) != committed_q)
--------------1-------------
-1- | Status | Tests |
0 | Covered | T4,T5,T6 |
1 | Covered | T79,T105,T106 |
Branch Coverage for Instance : tb.dut.u_reg.u_io_div4_meas_ctrl_shadowed_hi
| Line No. | Total | Covered | Percent |
Branches |
|
6 |
6 |
100.00 |
TERNARY |
183 |
2 |
2 |
100.00 |
IF |
100 |
4 |
4 |
100.00 |
183 assign err_update = (~staged_q != wr_data) ? phase_q & wr_en : 1'b0;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T4,T5,T6 |
0 |
Covered |
T1,T2,T3 |
100 if (!rst_ni) begin
-1-
101 phase_q <= 1'b0;
==>
102 end else if (wr_en && !err_storage) begin
-2-
103 phase_q <= ~phase_q;
==>
104 end else if (phase_clear || err_storage) begin
-3-
105 phase_q <= 1'b0;
==>
106 end
MISSING_ELSE
==>
Branches:
-1- | -2- | -3- | Status | Tests |
1 |
- |
- |
Covered |
T4,T5,T6 |
0 |
1 |
- |
Covered |
T1,T2,T3 |
0 |
0 |
1 |
Covered |
T10,T11,T45 |
0 |
0 |
0 |
Covered |
T4,T5,T6 |
Assert Coverage for Instance : tb.dut.u_reg.u_io_div4_meas_ctrl_shadowed_hi
Assertion Details
CheckSwAccessIsLegal_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
995 |
995 |
0 |
0 |
T4 |
1 |
1 |
0 |
0 |
T5 |
1 |
1 |
0 |
0 |
T6 |
1 |
1 |
0 |
0 |
T27 |
1 |
1 |
0 |
0 |
T28 |
1 |
1 |
0 |
0 |
T29 |
1 |
1 |
0 |
0 |
T30 |
1 |
1 |
0 |
0 |
T31 |
1 |
1 |
0 |
0 |
T32 |
1 |
1 |
0 |
0 |
T33 |
1 |
1 |
0 |
0 |
MubiIsNotYetSupported_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
15901058 |
15318557 |
0 |
0 |
T4 |
2013 |
2003 |
0 |
0 |
T5 |
1527 |
1513 |
0 |
0 |
T6 |
364 |
340 |
0 |
0 |
T27 |
662 |
645 |
0 |
0 |
T28 |
1238 |
1231 |
0 |
0 |
T29 |
823 |
799 |
0 |
0 |
T30 |
1359 |
1345 |
0 |
0 |
T31 |
4765 |
4758 |
0 |
0 |
T32 |
3358 |
3348 |
0 |
0 |
T33 |
1088 |
1061 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_io_div4_meas_ctrl_shadowed_lo
| Line No. | Total | Covered | Percent |
TOTAL | | 16 | 16 | 100.00 |
CONT_ASSIGN | 94 | 1 | 1 | 100.00 |
ALWAYS | 100 | 6 | 6 | 100.00 |
CONT_ASSIGN | 113 | 1 | 1 | 100.00 |
CONT_ASSIGN | 114 | 0 | 0 | |
CONT_ASSIGN | 138 | 1 | 1 | 100.00 |
CONT_ASSIGN | 139 | 0 | 0 | |
CONT_ASSIGN | 160 | 1 | 1 | 100.00 |
CONT_ASSIGN | 161 | 0 | 0 | |
CONT_ASSIGN | 180 | 1 | 1 | 100.00 |
CONT_ASSIGN | 183 | 1 | 1 | 100.00 |
CONT_ASSIGN | 184 | 1 | 1 | 100.00 |
CONT_ASSIGN | 187 | 1 | 1 | 100.00 |
CONT_ASSIGN | 188 | 1 | 1 | 100.00 |
CONT_ASSIGN | 189 | 1 | 1 | 100.00 |
93 // - In case of RO, SW should not interfere with update process.
94 1/1 assign phase_clear = (SwAccess == SwAccessRO) ? 1'b0 : re;
Tests: T10 T11 T45
95
96 // Phase tracker:
97 // - Reads from SW clear the phase back to 0.
98 // - Writes have priority (can come from SW or HW).
99 always_ff @(posedge clk_i or negedge rst_ni) begin : phase_reg
100 1/1 if (!rst_ni) begin
Tests: T4 T5 T6
101 1/1 phase_q <= 1'b0;
Tests: T4 T5 T6
102 1/1 end else if (wr_en && !err_storage) begin
Tests: T4 T5 T6
103 1/1 phase_q <= ~phase_q;
Tests: T1 T2 T3
104 1/1 end else if (phase_clear || err_storage) begin
Tests: T4 T5 T6
105 1/1 phase_q <= 1'b0;
Tests: T10 T11 T45
106 end
MISSING_ELSE
107 end
108
109 // The staged register:
110 // - Holds the 1's complement value.
111 // - Written in Phase 0.
112 // - Once storage error occurs, do not allow any further update until reset
113 1/1 assign staged_we = we & ~phase_q & ~err_storage;
Tests: T1 T2 T3
114 unreachable assign staged_de = de & ~phase_q & ~err_storage;
115 prim_subreg #(
116 .DW ( DW ),
117 .SwAccess ( StagedSwAccess ),
118 .RESVAL ( ~RESVAL )
119 ) staged_reg (
120 .clk_i ( clk_i ),
121 .rst_ni ( rst_ni ),
122 .we ( staged_we ),
123 .wd ( ~wr_data ),
124 .de ( staged_de ),
125 .d ( ~d ),
126 .qe ( ),
127 .q ( staged_q ),
128 .ds ( ),
129 .qs ( )
130 );
131
132 // The shadow register:
133 // - Holds the 1's complement value.
134 // - Written in Phase 1.
135 // - Writes are ignored in case of update errors.
136 // - Gets the value from the staged register.
137 // - Once storage error occurs, do not allow any further update until reset
138 1/1 assign shadow_we = we & phase_q & ~err_update & ~err_storage;
Tests: T1 T2 T3
139 unreachable assign shadow_de = de & phase_q & ~err_update & ~err_storage;
140 prim_subreg #(
141 .DW ( DW ),
142 .SwAccess ( InvertedSwAccess ),
143 .RESVAL ( ~RESVAL )
144 ) shadow_reg (
145 .clk_i ( clk_i ),
146 .rst_ni ( rst_shadowed_ni ),
147 .we ( shadow_we ),
148 .wd ( staged_q ),
149 .de ( shadow_de ),
150 .d ( staged_q ),
151 .qe ( ),
152 .q ( shadow_q ),
153 .ds ( ),
154 .qs ( )
155 );
156
157 // The committed register:
158 // - Written in Phase 1.
159 // - Writes are ignored in case of update errors.
160 1/1 assign committed_we = shadow_we;
Tests: T1 T2 T3
161 unreachable assign committed_de = shadow_de;
162 prim_subreg #(
163 .DW ( DW ),
164 .SwAccess ( SwAccess ),
165 .RESVAL ( RESVAL )
166 ) committed_reg (
167 .clk_i ( clk_i ),
168 .rst_ni ( rst_ni ),
169 .we ( committed_we ),
170 .wd ( wr_data ),
171 .de ( committed_de ),
172 .d ( d ),
173 .qe ( committed_qe ),
174 .q ( committed_q ),
175 .ds ( ds ),
176 .qs ( committed_qs )
177 );
178
179 // Output phase for hwext.
180 1/1 assign phase = phase_q;
Tests: T1 T2 T3
181
182 // Error detection - all bits must match.
183 1/1 assign err_update = (~staged_q != wr_data) ? phase_q & wr_en : 1'b0;
Tests: T1 T2 T3
184 1/1 assign err_storage = (~shadow_q != committed_q);
Tests: T1 T2 T3
185
186 // Remaining output assignments
187 1/1 assign qe = committed_qe;
Tests: T1 T2 T3
188 1/1 assign q = committed_q;
Tests: T1 T2 T3
189 1/1 assign qs = committed_qs;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_io_div4_meas_ctrl_shadowed_lo
| Total | Covered | Percent |
Conditions | 26 | 25 | 96.15 |
Logical | 26 | 25 | 96.15 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 102
EXPRESSION (wr_en && ((!err_storage)))
--1-- --------2-------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T4,T5,T6 |
1 | 0 | Covered | T106,T80,T108 |
1 | 1 | Covered | T1,T2,T3 |
LINE 104
EXPRESSION (phase_clear || err_storage)
-----1----- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T4,T5,T6 |
0 | 1 | Covered | T79,T105,T106 |
1 | 0 | Covered | T10,T11,T45 |
LINE 113
EXPRESSION (we & ((~phase_q)) & ((~err_storage)))
-1 ------2----- --------3-------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T4,T5,T6 |
1 | 0 | 1 | Covered | T1,T2,T3 |
1 | 1 | 0 | Covered | T106,T80,T108 |
1 | 1 | 1 | Covered | T1,T2,T3 |
LINE 114
EXPRESSION (de & ((~phase_q)) & ((~err_storage)))
-1 ------2----- --------3-------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T4,T5,T6 |
1 | 0 | 1 | Unreachable | |
1 | 1 | 0 | Unreachable | |
1 | 1 | 1 | Unreachable | |
LINE 138
EXPRESSION (we & phase_q & ((~err_update)) & ((~err_storage)))
-1 ---2--- -------3------- --------4-------
-1- | -2- | -3- | -4- | Status | Tests |
0 | 1 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | 1 | Covered | T1,T2,T3 |
1 | 1 | 0 | 1 | Covered | T106,T80,T107 |
1 | 1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | 1 | Covered | T1,T2,T3 |
LINE 139
EXPRESSION (de & phase_q & ((~err_update)) & ((~err_storage)))
-1 ---2--- -------3------- --------4-------
-1- | -2- | -3- | -4- | Status | Tests |
0 | 1 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | 1 | Unreachable | |
1 | 1 | 0 | 1 | Unreachable | |
1 | 1 | 1 | 0 | Unreachable | |
1 | 1 | 1 | 1 | Unreachable | |
LINE 183
EXPRESSION (((~staged_q) != wr_data) ? (phase_q & wr_en) : 1'b0)
------------1-----------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T4,T5,T6 |
LINE 183
SUB-EXPRESSION ((~staged_q) != wr_data)
------------1-----------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T4,T5,T6 |
LINE 183
SUB-EXPRESSION (phase_q & wr_en)
---1--- --2--
-1- | -2- | Status | Tests |
0 | 1 | Covered | T1,T2,T3 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T106,T80,T107 |
LINE 184
EXPRESSION ((~shadow_q) != committed_q)
--------------1-------------
-1- | Status | Tests |
0 | Covered | T4,T5,T6 |
1 | Covered | T79,T105,T106 |
Branch Coverage for Instance : tb.dut.u_reg.u_io_div4_meas_ctrl_shadowed_lo
| Line No. | Total | Covered | Percent |
Branches |
|
6 |
6 |
100.00 |
TERNARY |
183 |
2 |
2 |
100.00 |
IF |
100 |
4 |
4 |
100.00 |
183 assign err_update = (~staged_q != wr_data) ? phase_q & wr_en : 1'b0;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T4,T5,T6 |
0 |
Covered |
T1,T2,T3 |
100 if (!rst_ni) begin
-1-
101 phase_q <= 1'b0;
==>
102 end else if (wr_en && !err_storage) begin
-2-
103 phase_q <= ~phase_q;
==>
104 end else if (phase_clear || err_storage) begin
-3-
105 phase_q <= 1'b0;
==>
106 end
MISSING_ELSE
==>
Branches:
-1- | -2- | -3- | Status | Tests |
1 |
- |
- |
Covered |
T4,T5,T6 |
0 |
1 |
- |
Covered |
T1,T2,T3 |
0 |
0 |
1 |
Covered |
T10,T11,T45 |
0 |
0 |
0 |
Covered |
T4,T5,T6 |
Assert Coverage for Instance : tb.dut.u_reg.u_io_div4_meas_ctrl_shadowed_lo
Assertion Details
CheckSwAccessIsLegal_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
995 |
995 |
0 |
0 |
T4 |
1 |
1 |
0 |
0 |
T5 |
1 |
1 |
0 |
0 |
T6 |
1 |
1 |
0 |
0 |
T27 |
1 |
1 |
0 |
0 |
T28 |
1 |
1 |
0 |
0 |
T29 |
1 |
1 |
0 |
0 |
T30 |
1 |
1 |
0 |
0 |
T31 |
1 |
1 |
0 |
0 |
T32 |
1 |
1 |
0 |
0 |
T33 |
1 |
1 |
0 |
0 |
MubiIsNotYetSupported_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
15901058 |
15318557 |
0 |
0 |
T4 |
2013 |
2003 |
0 |
0 |
T5 |
1527 |
1513 |
0 |
0 |
T6 |
364 |
340 |
0 |
0 |
T27 |
662 |
645 |
0 |
0 |
T28 |
1238 |
1231 |
0 |
0 |
T29 |
823 |
799 |
0 |
0 |
T30 |
1359 |
1345 |
0 |
0 |
T31 |
4765 |
4758 |
0 |
0 |
T32 |
3358 |
3348 |
0 |
0 |
T33 |
1088 |
1061 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_main_meas_ctrl_shadowed_hi
| Line No. | Total | Covered | Percent |
TOTAL | | 16 | 16 | 100.00 |
CONT_ASSIGN | 94 | 1 | 1 | 100.00 |
ALWAYS | 100 | 6 | 6 | 100.00 |
CONT_ASSIGN | 113 | 1 | 1 | 100.00 |
CONT_ASSIGN | 114 | 0 | 0 | |
CONT_ASSIGN | 138 | 1 | 1 | 100.00 |
CONT_ASSIGN | 139 | 0 | 0 | |
CONT_ASSIGN | 160 | 1 | 1 | 100.00 |
CONT_ASSIGN | 161 | 0 | 0 | |
CONT_ASSIGN | 180 | 1 | 1 | 100.00 |
CONT_ASSIGN | 183 | 1 | 1 | 100.00 |
CONT_ASSIGN | 184 | 1 | 1 | 100.00 |
CONT_ASSIGN | 187 | 1 | 1 | 100.00 |
CONT_ASSIGN | 188 | 1 | 1 | 100.00 |
CONT_ASSIGN | 189 | 1 | 1 | 100.00 |
93 // - In case of RO, SW should not interfere with update process.
94 1/1 assign phase_clear = (SwAccess == SwAccessRO) ? 1'b0 : re;
Tests: T10 T11 T45
95
96 // Phase tracker:
97 // - Reads from SW clear the phase back to 0.
98 // - Writes have priority (can come from SW or HW).
99 always_ff @(posedge clk_i or negedge rst_ni) begin : phase_reg
100 1/1 if (!rst_ni) begin
Tests: T4 T5 T6
101 1/1 phase_q <= 1'b0;
Tests: T4 T5 T6
102 1/1 end else if (wr_en && !err_storage) begin
Tests: T4 T5 T6
103 1/1 phase_q <= ~phase_q;
Tests: T1 T2 T3
104 1/1 end else if (phase_clear || err_storage) begin
Tests: T4 T5 T6
105 1/1 phase_q <= 1'b0;
Tests: T10 T11 T45
106 end
MISSING_ELSE
107 end
108
109 // The staged register:
110 // - Holds the 1's complement value.
111 // - Written in Phase 0.
112 // - Once storage error occurs, do not allow any further update until reset
113 1/1 assign staged_we = we & ~phase_q & ~err_storage;
Tests: T1 T2 T3
114 unreachable assign staged_de = de & ~phase_q & ~err_storage;
115 prim_subreg #(
116 .DW ( DW ),
117 .SwAccess ( StagedSwAccess ),
118 .RESVAL ( ~RESVAL )
119 ) staged_reg (
120 .clk_i ( clk_i ),
121 .rst_ni ( rst_ni ),
122 .we ( staged_we ),
123 .wd ( ~wr_data ),
124 .de ( staged_de ),
125 .d ( ~d ),
126 .qe ( ),
127 .q ( staged_q ),
128 .ds ( ),
129 .qs ( )
130 );
131
132 // The shadow register:
133 // - Holds the 1's complement value.
134 // - Written in Phase 1.
135 // - Writes are ignored in case of update errors.
136 // - Gets the value from the staged register.
137 // - Once storage error occurs, do not allow any further update until reset
138 1/1 assign shadow_we = we & phase_q & ~err_update & ~err_storage;
Tests: T1 T2 T3
139 unreachable assign shadow_de = de & phase_q & ~err_update & ~err_storage;
140 prim_subreg #(
141 .DW ( DW ),
142 .SwAccess ( InvertedSwAccess ),
143 .RESVAL ( ~RESVAL )
144 ) shadow_reg (
145 .clk_i ( clk_i ),
146 .rst_ni ( rst_shadowed_ni ),
147 .we ( shadow_we ),
148 .wd ( staged_q ),
149 .de ( shadow_de ),
150 .d ( staged_q ),
151 .qe ( ),
152 .q ( shadow_q ),
153 .ds ( ),
154 .qs ( )
155 );
156
157 // The committed register:
158 // - Written in Phase 1.
159 // - Writes are ignored in case of update errors.
160 1/1 assign committed_we = shadow_we;
Tests: T1 T2 T3
161 unreachable assign committed_de = shadow_de;
162 prim_subreg #(
163 .DW ( DW ),
164 .SwAccess ( SwAccess ),
165 .RESVAL ( RESVAL )
166 ) committed_reg (
167 .clk_i ( clk_i ),
168 .rst_ni ( rst_ni ),
169 .we ( committed_we ),
170 .wd ( wr_data ),
171 .de ( committed_de ),
172 .d ( d ),
173 .qe ( committed_qe ),
174 .q ( committed_q ),
175 .ds ( ds ),
176 .qs ( committed_qs )
177 );
178
179 // Output phase for hwext.
180 1/1 assign phase = phase_q;
Tests: T1 T2 T3
181
182 // Error detection - all bits must match.
183 1/1 assign err_update = (~staged_q != wr_data) ? phase_q & wr_en : 1'b0;
Tests: T1 T2 T3
184 1/1 assign err_storage = (~shadow_q != committed_q);
Tests: T1 T2 T3
185
186 // Remaining output assignments
187 1/1 assign qe = committed_qe;
Tests: T1 T2 T3
188 1/1 assign q = committed_q;
Tests: T1 T2 T3
189 1/1 assign qs = committed_qs;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_main_meas_ctrl_shadowed_hi
| Total | Covered | Percent |
Conditions | 26 | 25 | 96.15 |
Logical | 26 | 25 | 96.15 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 102
EXPRESSION (wr_en && ((!err_storage)))
--1-- --------2-------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T4,T5,T6 |
1 | 0 | Covered | T79,T105,T106 |
1 | 1 | Covered | T1,T2,T3 |
LINE 104
EXPRESSION (phase_clear || err_storage)
-----1----- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T4,T5,T6 |
0 | 1 | Covered | T79,T105,T106 |
1 | 0 | Covered | T10,T11,T45 |
LINE 113
EXPRESSION (we & ((~phase_q)) & ((~err_storage)))
-1 ------2----- --------3-------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T4,T5,T6 |
1 | 0 | 1 | Covered | T1,T2,T3 |
1 | 1 | 0 | Covered | T79,T105,T106 |
1 | 1 | 1 | Covered | T1,T2,T3 |
LINE 114
EXPRESSION (de & ((~phase_q)) & ((~err_storage)))
-1 ------2----- --------3-------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T4,T5,T6 |
1 | 0 | 1 | Unreachable | |
1 | 1 | 0 | Unreachable | |
1 | 1 | 1 | Unreachable | |
LINE 138
EXPRESSION (we & phase_q & ((~err_update)) & ((~err_storage)))
-1 ---2--- -------3------- --------4-------
-1- | -2- | -3- | -4- | Status | Tests |
0 | 1 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | 1 | Covered | T1,T2,T3 |
1 | 1 | 0 | 1 | Covered | T105,T107,T108 |
1 | 1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | 1 | Covered | T1,T2,T3 |
LINE 139
EXPRESSION (de & phase_q & ((~err_update)) & ((~err_storage)))
-1 ---2--- -------3------- --------4-------
-1- | -2- | -3- | -4- | Status | Tests |
0 | 1 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | 1 | Unreachable | |
1 | 1 | 0 | 1 | Unreachable | |
1 | 1 | 1 | 0 | Unreachable | |
1 | 1 | 1 | 1 | Unreachable | |
LINE 183
EXPRESSION (((~staged_q) != wr_data) ? (phase_q & wr_en) : 1'b0)
------------1-----------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T4,T5,T6 |
LINE 183
SUB-EXPRESSION ((~staged_q) != wr_data)
------------1-----------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T4,T5,T6 |
LINE 183
SUB-EXPRESSION (phase_q & wr_en)
---1--- --2--
-1- | -2- | Status | Tests |
0 | 1 | Covered | T1,T2,T3 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T105,T107,T108 |
LINE 184
EXPRESSION ((~shadow_q) != committed_q)
--------------1-------------
-1- | Status | Tests |
0 | Covered | T4,T5,T6 |
1 | Covered | T79,T105,T106 |
Branch Coverage for Instance : tb.dut.u_reg.u_main_meas_ctrl_shadowed_hi
| Line No. | Total | Covered | Percent |
Branches |
|
6 |
6 |
100.00 |
TERNARY |
183 |
2 |
2 |
100.00 |
IF |
100 |
4 |
4 |
100.00 |
183 assign err_update = (~staged_q != wr_data) ? phase_q & wr_en : 1'b0;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T4,T5,T6 |
0 |
Covered |
T1,T2,T3 |
100 if (!rst_ni) begin
-1-
101 phase_q <= 1'b0;
==>
102 end else if (wr_en && !err_storage) begin
-2-
103 phase_q <= ~phase_q;
==>
104 end else if (phase_clear || err_storage) begin
-3-
105 phase_q <= 1'b0;
==>
106 end
MISSING_ELSE
==>
Branches:
-1- | -2- | -3- | Status | Tests |
1 |
- |
- |
Covered |
T4,T5,T6 |
0 |
1 |
- |
Covered |
T1,T2,T3 |
0 |
0 |
1 |
Covered |
T10,T11,T45 |
0 |
0 |
0 |
Covered |
T4,T5,T6 |
Assert Coverage for Instance : tb.dut.u_reg.u_main_meas_ctrl_shadowed_hi
Assertion Details
CheckSwAccessIsLegal_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
995 |
995 |
0 |
0 |
T4 |
1 |
1 |
0 |
0 |
T5 |
1 |
1 |
0 |
0 |
T6 |
1 |
1 |
0 |
0 |
T27 |
1 |
1 |
0 |
0 |
T28 |
1 |
1 |
0 |
0 |
T29 |
1 |
1 |
0 |
0 |
T30 |
1 |
1 |
0 |
0 |
T31 |
1 |
1 |
0 |
0 |
T32 |
1 |
1 |
0 |
0 |
T33 |
1 |
1 |
0 |
0 |
MubiIsNotYetSupported_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
72237867 |
67375527 |
0 |
0 |
T4 |
8047 |
7935 |
0 |
0 |
T5 |
6418 |
6306 |
0 |
0 |
T6 |
1592 |
1394 |
0 |
0 |
T27 |
2801 |
2689 |
0 |
0 |
T28 |
4865 |
4696 |
0 |
0 |
T29 |
3483 |
3329 |
0 |
0 |
T30 |
4935 |
4838 |
0 |
0 |
T31 |
19923 |
19826 |
0 |
0 |
T32 |
13021 |
12867 |
0 |
0 |
T33 |
4325 |
4156 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_main_meas_ctrl_shadowed_lo
| Line No. | Total | Covered | Percent |
TOTAL | | 16 | 16 | 100.00 |
CONT_ASSIGN | 94 | 1 | 1 | 100.00 |
ALWAYS | 100 | 6 | 6 | 100.00 |
CONT_ASSIGN | 113 | 1 | 1 | 100.00 |
CONT_ASSIGN | 114 | 0 | 0 | |
CONT_ASSIGN | 138 | 1 | 1 | 100.00 |
CONT_ASSIGN | 139 | 0 | 0 | |
CONT_ASSIGN | 160 | 1 | 1 | 100.00 |
CONT_ASSIGN | 161 | 0 | 0 | |
CONT_ASSIGN | 180 | 1 | 1 | 100.00 |
CONT_ASSIGN | 183 | 1 | 1 | 100.00 |
CONT_ASSIGN | 184 | 1 | 1 | 100.00 |
CONT_ASSIGN | 187 | 1 | 1 | 100.00 |
CONT_ASSIGN | 188 | 1 | 1 | 100.00 |
CONT_ASSIGN | 189 | 1 | 1 | 100.00 |
93 // - In case of RO, SW should not interfere with update process.
94 1/1 assign phase_clear = (SwAccess == SwAccessRO) ? 1'b0 : re;
Tests: T10 T11 T45
95
96 // Phase tracker:
97 // - Reads from SW clear the phase back to 0.
98 // - Writes have priority (can come from SW or HW).
99 always_ff @(posedge clk_i or negedge rst_ni) begin : phase_reg
100 1/1 if (!rst_ni) begin
Tests: T4 T5 T6
101 1/1 phase_q <= 1'b0;
Tests: T4 T5 T6
102 1/1 end else if (wr_en && !err_storage) begin
Tests: T4 T5 T6
103 1/1 phase_q <= ~phase_q;
Tests: T1 T2 T3
104 1/1 end else if (phase_clear || err_storage) begin
Tests: T4 T5 T6
105 1/1 phase_q <= 1'b0;
Tests: T10 T11 T45
106 end
MISSING_ELSE
107 end
108
109 // The staged register:
110 // - Holds the 1's complement value.
111 // - Written in Phase 0.
112 // - Once storage error occurs, do not allow any further update until reset
113 1/1 assign staged_we = we & ~phase_q & ~err_storage;
Tests: T1 T2 T3
114 unreachable assign staged_de = de & ~phase_q & ~err_storage;
115 prim_subreg #(
116 .DW ( DW ),
117 .SwAccess ( StagedSwAccess ),
118 .RESVAL ( ~RESVAL )
119 ) staged_reg (
120 .clk_i ( clk_i ),
121 .rst_ni ( rst_ni ),
122 .we ( staged_we ),
123 .wd ( ~wr_data ),
124 .de ( staged_de ),
125 .d ( ~d ),
126 .qe ( ),
127 .q ( staged_q ),
128 .ds ( ),
129 .qs ( )
130 );
131
132 // The shadow register:
133 // - Holds the 1's complement value.
134 // - Written in Phase 1.
135 // - Writes are ignored in case of update errors.
136 // - Gets the value from the staged register.
137 // - Once storage error occurs, do not allow any further update until reset
138 1/1 assign shadow_we = we & phase_q & ~err_update & ~err_storage;
Tests: T1 T2 T3
139 unreachable assign shadow_de = de & phase_q & ~err_update & ~err_storage;
140 prim_subreg #(
141 .DW ( DW ),
142 .SwAccess ( InvertedSwAccess ),
143 .RESVAL ( ~RESVAL )
144 ) shadow_reg (
145 .clk_i ( clk_i ),
146 .rst_ni ( rst_shadowed_ni ),
147 .we ( shadow_we ),
148 .wd ( staged_q ),
149 .de ( shadow_de ),
150 .d ( staged_q ),
151 .qe ( ),
152 .q ( shadow_q ),
153 .ds ( ),
154 .qs ( )
155 );
156
157 // The committed register:
158 // - Written in Phase 1.
159 // - Writes are ignored in case of update errors.
160 1/1 assign committed_we = shadow_we;
Tests: T1 T2 T3
161 unreachable assign committed_de = shadow_de;
162 prim_subreg #(
163 .DW ( DW ),
164 .SwAccess ( SwAccess ),
165 .RESVAL ( RESVAL )
166 ) committed_reg (
167 .clk_i ( clk_i ),
168 .rst_ni ( rst_ni ),
169 .we ( committed_we ),
170 .wd ( wr_data ),
171 .de ( committed_de ),
172 .d ( d ),
173 .qe ( committed_qe ),
174 .q ( committed_q ),
175 .ds ( ds ),
176 .qs ( committed_qs )
177 );
178
179 // Output phase for hwext.
180 1/1 assign phase = phase_q;
Tests: T1 T2 T3
181
182 // Error detection - all bits must match.
183 1/1 assign err_update = (~staged_q != wr_data) ? phase_q & wr_en : 1'b0;
Tests: T1 T2 T3
184 1/1 assign err_storage = (~shadow_q != committed_q);
Tests: T1 T2 T3
185
186 // Remaining output assignments
187 1/1 assign qe = committed_qe;
Tests: T1 T2 T3
188 1/1 assign q = committed_q;
Tests: T1 T2 T3
189 1/1 assign qs = committed_qs;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_main_meas_ctrl_shadowed_lo
| Total | Covered | Percent |
Conditions | 26 | 25 | 96.15 |
Logical | 26 | 25 | 96.15 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 102
EXPRESSION (wr_en && ((!err_storage)))
--1-- --------2-------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T4,T5,T6 |
1 | 0 | Covered | T79,T105,T106 |
1 | 1 | Covered | T1,T2,T3 |
LINE 104
EXPRESSION (phase_clear || err_storage)
-----1----- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T4,T5,T6 |
0 | 1 | Covered | T79,T105,T106 |
1 | 0 | Covered | T10,T11,T45 |
LINE 113
EXPRESSION (we & ((~phase_q)) & ((~err_storage)))
-1 ------2----- --------3-------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T4,T5,T6 |
1 | 0 | 1 | Covered | T1,T2,T3 |
1 | 1 | 0 | Covered | T79,T105,T106 |
1 | 1 | 1 | Covered | T1,T2,T3 |
LINE 114
EXPRESSION (de & ((~phase_q)) & ((~err_storage)))
-1 ------2----- --------3-------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T4,T5,T6 |
1 | 0 | 1 | Unreachable | |
1 | 1 | 0 | Unreachable | |
1 | 1 | 1 | Unreachable | |
LINE 138
EXPRESSION (we & phase_q & ((~err_update)) & ((~err_storage)))
-1 ---2--- -------3------- --------4-------
-1- | -2- | -3- | -4- | Status | Tests |
0 | 1 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | 1 | Covered | T1,T2,T3 |
1 | 1 | 0 | 1 | Covered | T105,T107,T108 |
1 | 1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | 1 | Covered | T1,T2,T3 |
LINE 139
EXPRESSION (de & phase_q & ((~err_update)) & ((~err_storage)))
-1 ---2--- -------3------- --------4-------
-1- | -2- | -3- | -4- | Status | Tests |
0 | 1 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | 1 | Unreachable | |
1 | 1 | 0 | 1 | Unreachable | |
1 | 1 | 1 | 0 | Unreachable | |
1 | 1 | 1 | 1 | Unreachable | |
LINE 183
EXPRESSION (((~staged_q) != wr_data) ? (phase_q & wr_en) : 1'b0)
------------1-----------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T4,T5,T6 |
LINE 183
SUB-EXPRESSION ((~staged_q) != wr_data)
------------1-----------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T4,T5,T6 |
LINE 183
SUB-EXPRESSION (phase_q & wr_en)
---1--- --2--
-1- | -2- | Status | Tests |
0 | 1 | Covered | T1,T2,T3 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T105,T107,T108 |
LINE 184
EXPRESSION ((~shadow_q) != committed_q)
--------------1-------------
-1- | Status | Tests |
0 | Covered | T4,T5,T6 |
1 | Covered | T79,T105,T106 |
Branch Coverage for Instance : tb.dut.u_reg.u_main_meas_ctrl_shadowed_lo
| Line No. | Total | Covered | Percent |
Branches |
|
6 |
6 |
100.00 |
TERNARY |
183 |
2 |
2 |
100.00 |
IF |
100 |
4 |
4 |
100.00 |
183 assign err_update = (~staged_q != wr_data) ? phase_q & wr_en : 1'b0;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T4,T5,T6 |
0 |
Covered |
T1,T2,T3 |
100 if (!rst_ni) begin
-1-
101 phase_q <= 1'b0;
==>
102 end else if (wr_en && !err_storage) begin
-2-
103 phase_q <= ~phase_q;
==>
104 end else if (phase_clear || err_storage) begin
-3-
105 phase_q <= 1'b0;
==>
106 end
MISSING_ELSE
==>
Branches:
-1- | -2- | -3- | Status | Tests |
1 |
- |
- |
Covered |
T4,T5,T6 |
0 |
1 |
- |
Covered |
T1,T2,T3 |
0 |
0 |
1 |
Covered |
T10,T11,T45 |
0 |
0 |
0 |
Covered |
T4,T5,T6 |
Assert Coverage for Instance : tb.dut.u_reg.u_main_meas_ctrl_shadowed_lo
Assertion Details
CheckSwAccessIsLegal_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
995 |
995 |
0 |
0 |
T4 |
1 |
1 |
0 |
0 |
T5 |
1 |
1 |
0 |
0 |
T6 |
1 |
1 |
0 |
0 |
T27 |
1 |
1 |
0 |
0 |
T28 |
1 |
1 |
0 |
0 |
T29 |
1 |
1 |
0 |
0 |
T30 |
1 |
1 |
0 |
0 |
T31 |
1 |
1 |
0 |
0 |
T32 |
1 |
1 |
0 |
0 |
T33 |
1 |
1 |
0 |
0 |
MubiIsNotYetSupported_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
72237867 |
67375527 |
0 |
0 |
T4 |
8047 |
7935 |
0 |
0 |
T5 |
6418 |
6306 |
0 |
0 |
T6 |
1592 |
1394 |
0 |
0 |
T27 |
2801 |
2689 |
0 |
0 |
T28 |
4865 |
4696 |
0 |
0 |
T29 |
3483 |
3329 |
0 |
0 |
T30 |
4935 |
4838 |
0 |
0 |
T31 |
19923 |
19826 |
0 |
0 |
T32 |
13021 |
12867 |
0 |
0 |
T33 |
4325 |
4156 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_usb_meas_ctrl_shadowed_hi
| Line No. | Total | Covered | Percent |
TOTAL | | 16 | 16 | 100.00 |
CONT_ASSIGN | 94 | 1 | 1 | 100.00 |
ALWAYS | 100 | 6 | 6 | 100.00 |
CONT_ASSIGN | 113 | 1 | 1 | 100.00 |
CONT_ASSIGN | 114 | 0 | 0 | |
CONT_ASSIGN | 138 | 1 | 1 | 100.00 |
CONT_ASSIGN | 139 | 0 | 0 | |
CONT_ASSIGN | 160 | 1 | 1 | 100.00 |
CONT_ASSIGN | 161 | 0 | 0 | |
CONT_ASSIGN | 180 | 1 | 1 | 100.00 |
CONT_ASSIGN | 183 | 1 | 1 | 100.00 |
CONT_ASSIGN | 184 | 1 | 1 | 100.00 |
CONT_ASSIGN | 187 | 1 | 1 | 100.00 |
CONT_ASSIGN | 188 | 1 | 1 | 100.00 |
CONT_ASSIGN | 189 | 1 | 1 | 100.00 |
93 // - In case of RO, SW should not interfere with update process.
94 1/1 assign phase_clear = (SwAccess == SwAccessRO) ? 1'b0 : re;
Tests: T10 T11 T45
95
96 // Phase tracker:
97 // - Reads from SW clear the phase back to 0.
98 // - Writes have priority (can come from SW or HW).
99 always_ff @(posedge clk_i or negedge rst_ni) begin : phase_reg
100 1/1 if (!rst_ni) begin
Tests: T4 T5 T6
101 1/1 phase_q <= 1'b0;
Tests: T4 T5 T6
102 1/1 end else if (wr_en && !err_storage) begin
Tests: T4 T5 T6
103 1/1 phase_q <= ~phase_q;
Tests: T1 T2 T3
104 1/1 end else if (phase_clear || err_storage) begin
Tests: T4 T5 T6
105 1/1 phase_q <= 1'b0;
Tests: T10 T11 T45
106 end
MISSING_ELSE
107 end
108
109 // The staged register:
110 // - Holds the 1's complement value.
111 // - Written in Phase 0.
112 // - Once storage error occurs, do not allow any further update until reset
113 1/1 assign staged_we = we & ~phase_q & ~err_storage;
Tests: T1 T2 T3
114 unreachable assign staged_de = de & ~phase_q & ~err_storage;
115 prim_subreg #(
116 .DW ( DW ),
117 .SwAccess ( StagedSwAccess ),
118 .RESVAL ( ~RESVAL )
119 ) staged_reg (
120 .clk_i ( clk_i ),
121 .rst_ni ( rst_ni ),
122 .we ( staged_we ),
123 .wd ( ~wr_data ),
124 .de ( staged_de ),
125 .d ( ~d ),
126 .qe ( ),
127 .q ( staged_q ),
128 .ds ( ),
129 .qs ( )
130 );
131
132 // The shadow register:
133 // - Holds the 1's complement value.
134 // - Written in Phase 1.
135 // - Writes are ignored in case of update errors.
136 // - Gets the value from the staged register.
137 // - Once storage error occurs, do not allow any further update until reset
138 1/1 assign shadow_we = we & phase_q & ~err_update & ~err_storage;
Tests: T1 T2 T3
139 unreachable assign shadow_de = de & phase_q & ~err_update & ~err_storage;
140 prim_subreg #(
141 .DW ( DW ),
142 .SwAccess ( InvertedSwAccess ),
143 .RESVAL ( ~RESVAL )
144 ) shadow_reg (
145 .clk_i ( clk_i ),
146 .rst_ni ( rst_shadowed_ni ),
147 .we ( shadow_we ),
148 .wd ( staged_q ),
149 .de ( shadow_de ),
150 .d ( staged_q ),
151 .qe ( ),
152 .q ( shadow_q ),
153 .ds ( ),
154 .qs ( )
155 );
156
157 // The committed register:
158 // - Written in Phase 1.
159 // - Writes are ignored in case of update errors.
160 1/1 assign committed_we = shadow_we;
Tests: T1 T2 T3
161 unreachable assign committed_de = shadow_de;
162 prim_subreg #(
163 .DW ( DW ),
164 .SwAccess ( SwAccess ),
165 .RESVAL ( RESVAL )
166 ) committed_reg (
167 .clk_i ( clk_i ),
168 .rst_ni ( rst_ni ),
169 .we ( committed_we ),
170 .wd ( wr_data ),
171 .de ( committed_de ),
172 .d ( d ),
173 .qe ( committed_qe ),
174 .q ( committed_q ),
175 .ds ( ds ),
176 .qs ( committed_qs )
177 );
178
179 // Output phase for hwext.
180 1/1 assign phase = phase_q;
Tests: T1 T2 T3
181
182 // Error detection - all bits must match.
183 1/1 assign err_update = (~staged_q != wr_data) ? phase_q & wr_en : 1'b0;
Tests: T1 T2 T3
184 1/1 assign err_storage = (~shadow_q != committed_q);
Tests: T1 T2 T3
185
186 // Remaining output assignments
187 1/1 assign qe = committed_qe;
Tests: T1 T2 T3
188 1/1 assign q = committed_q;
Tests: T1 T2 T3
189 1/1 assign qs = committed_qs;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_usb_meas_ctrl_shadowed_hi
| Total | Covered | Percent |
Conditions | 26 | 25 | 96.15 |
Logical | 26 | 25 | 96.15 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 102
EXPRESSION (wr_en && ((!err_storage)))
--1-- --------2-------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T4,T5,T6 |
1 | 0 | Covered | T105,T80,T107 |
1 | 1 | Covered | T1,T2,T3 |
LINE 104
EXPRESSION (phase_clear || err_storage)
-----1----- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T4,T5,T6 |
0 | 1 | Covered | T105,T106,T80 |
1 | 0 | Covered | T10,T11,T45 |
LINE 113
EXPRESSION (we & ((~phase_q)) & ((~err_storage)))
-1 ------2----- --------3-------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T4,T5,T6 |
1 | 0 | 1 | Covered | T1,T2,T3 |
1 | 1 | 0 | Covered | T105,T80,T107 |
1 | 1 | 1 | Covered | T1,T2,T3 |
LINE 114
EXPRESSION (de & ((~phase_q)) & ((~err_storage)))
-1 ------2----- --------3-------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T4,T5,T6 |
1 | 0 | 1 | Unreachable | |
1 | 1 | 0 | Unreachable | |
1 | 1 | 1 | Unreachable | |
LINE 138
EXPRESSION (we & phase_q & ((~err_update)) & ((~err_storage)))
-1 ---2--- -------3------- --------4-------
-1- | -2- | -3- | -4- | Status | Tests |
0 | 1 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | 1 | Covered | T1,T2,T3 |
1 | 1 | 0 | 1 | Covered | T79,T106,T80 |
1 | 1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | 1 | Covered | T1,T2,T3 |
LINE 139
EXPRESSION (de & phase_q & ((~err_update)) & ((~err_storage)))
-1 ---2--- -------3------- --------4-------
-1- | -2- | -3- | -4- | Status | Tests |
0 | 1 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | 1 | Unreachable | |
1 | 1 | 0 | 1 | Unreachable | |
1 | 1 | 1 | 0 | Unreachable | |
1 | 1 | 1 | 1 | Unreachable | |
LINE 183
EXPRESSION (((~staged_q) != wr_data) ? (phase_q & wr_en) : 1'b0)
------------1-----------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T4,T5,T6 |
LINE 183
SUB-EXPRESSION ((~staged_q) != wr_data)
------------1-----------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T4,T5,T6 |
LINE 183
SUB-EXPRESSION (phase_q & wr_en)
---1--- --2--
-1- | -2- | Status | Tests |
0 | 1 | Covered | T1,T2,T3 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T79,T106,T80 |
LINE 184
EXPRESSION ((~shadow_q) != committed_q)
--------------1-------------
-1- | Status | Tests |
0 | Covered | T4,T5,T6 |
1 | Covered | T105,T106,T80 |
Branch Coverage for Instance : tb.dut.u_reg.u_usb_meas_ctrl_shadowed_hi
| Line No. | Total | Covered | Percent |
Branches |
|
6 |
6 |
100.00 |
TERNARY |
183 |
2 |
2 |
100.00 |
IF |
100 |
4 |
4 |
100.00 |
183 assign err_update = (~staged_q != wr_data) ? phase_q & wr_en : 1'b0;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T4,T5,T6 |
0 |
Covered |
T1,T2,T3 |
100 if (!rst_ni) begin
-1-
101 phase_q <= 1'b0;
==>
102 end else if (wr_en && !err_storage) begin
-2-
103 phase_q <= ~phase_q;
==>
104 end else if (phase_clear || err_storage) begin
-3-
105 phase_q <= 1'b0;
==>
106 end
MISSING_ELSE
==>
Branches:
-1- | -2- | -3- | Status | Tests |
1 |
- |
- |
Covered |
T4,T5,T6 |
0 |
1 |
- |
Covered |
T1,T2,T3 |
0 |
0 |
1 |
Covered |
T10,T11,T45 |
0 |
0 |
0 |
Covered |
T4,T5,T6 |
Assert Coverage for Instance : tb.dut.u_reg.u_usb_meas_ctrl_shadowed_hi
Assertion Details
CheckSwAccessIsLegal_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
995 |
995 |
0 |
0 |
T4 |
1 |
1 |
0 |
0 |
T5 |
1 |
1 |
0 |
0 |
T6 |
1 |
1 |
0 |
0 |
T27 |
1 |
1 |
0 |
0 |
T28 |
1 |
1 |
0 |
0 |
T29 |
1 |
1 |
0 |
0 |
T30 |
1 |
1 |
0 |
0 |
T31 |
1 |
1 |
0 |
0 |
T32 |
1 |
1 |
0 |
0 |
T33 |
1 |
1 |
0 |
0 |
MubiIsNotYetSupported_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34696034 |
32365576 |
0 |
0 |
T4 |
3862 |
3809 |
0 |
0 |
T5 |
3080 |
3027 |
0 |
0 |
T6 |
762 |
667 |
0 |
0 |
T27 |
1344 |
1290 |
0 |
0 |
T28 |
2335 |
2254 |
0 |
0 |
T29 |
1672 |
1598 |
0 |
0 |
T30 |
2369 |
2323 |
0 |
0 |
T31 |
9563 |
9516 |
0 |
0 |
T32 |
6250 |
6176 |
0 |
0 |
T33 |
2076 |
1995 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_usb_meas_ctrl_shadowed_lo
| Line No. | Total | Covered | Percent |
TOTAL | | 16 | 16 | 100.00 |
CONT_ASSIGN | 94 | 1 | 1 | 100.00 |
ALWAYS | 100 | 6 | 6 | 100.00 |
CONT_ASSIGN | 113 | 1 | 1 | 100.00 |
CONT_ASSIGN | 114 | 0 | 0 | |
CONT_ASSIGN | 138 | 1 | 1 | 100.00 |
CONT_ASSIGN | 139 | 0 | 0 | |
CONT_ASSIGN | 160 | 1 | 1 | 100.00 |
CONT_ASSIGN | 161 | 0 | 0 | |
CONT_ASSIGN | 180 | 1 | 1 | 100.00 |
CONT_ASSIGN | 183 | 1 | 1 | 100.00 |
CONT_ASSIGN | 184 | 1 | 1 | 100.00 |
CONT_ASSIGN | 187 | 1 | 1 | 100.00 |
CONT_ASSIGN | 188 | 1 | 1 | 100.00 |
CONT_ASSIGN | 189 | 1 | 1 | 100.00 |
93 // - In case of RO, SW should not interfere with update process.
94 1/1 assign phase_clear = (SwAccess == SwAccessRO) ? 1'b0 : re;
Tests: T10 T11 T45
95
96 // Phase tracker:
97 // - Reads from SW clear the phase back to 0.
98 // - Writes have priority (can come from SW or HW).
99 always_ff @(posedge clk_i or negedge rst_ni) begin : phase_reg
100 1/1 if (!rst_ni) begin
Tests: T4 T5 T6
101 1/1 phase_q <= 1'b0;
Tests: T4 T5 T6
102 1/1 end else if (wr_en && !err_storage) begin
Tests: T4 T5 T6
103 1/1 phase_q <= ~phase_q;
Tests: T1 T2 T3
104 1/1 end else if (phase_clear || err_storage) begin
Tests: T4 T5 T6
105 1/1 phase_q <= 1'b0;
Tests: T10 T11 T45
106 end
MISSING_ELSE
107 end
108
109 // The staged register:
110 // - Holds the 1's complement value.
111 // - Written in Phase 0.
112 // - Once storage error occurs, do not allow any further update until reset
113 1/1 assign staged_we = we & ~phase_q & ~err_storage;
Tests: T1 T2 T3
114 unreachable assign staged_de = de & ~phase_q & ~err_storage;
115 prim_subreg #(
116 .DW ( DW ),
117 .SwAccess ( StagedSwAccess ),
118 .RESVAL ( ~RESVAL )
119 ) staged_reg (
120 .clk_i ( clk_i ),
121 .rst_ni ( rst_ni ),
122 .we ( staged_we ),
123 .wd ( ~wr_data ),
124 .de ( staged_de ),
125 .d ( ~d ),
126 .qe ( ),
127 .q ( staged_q ),
128 .ds ( ),
129 .qs ( )
130 );
131
132 // The shadow register:
133 // - Holds the 1's complement value.
134 // - Written in Phase 1.
135 // - Writes are ignored in case of update errors.
136 // - Gets the value from the staged register.
137 // - Once storage error occurs, do not allow any further update until reset
138 1/1 assign shadow_we = we & phase_q & ~err_update & ~err_storage;
Tests: T1 T2 T3
139 unreachable assign shadow_de = de & phase_q & ~err_update & ~err_storage;
140 prim_subreg #(
141 .DW ( DW ),
142 .SwAccess ( InvertedSwAccess ),
143 .RESVAL ( ~RESVAL )
144 ) shadow_reg (
145 .clk_i ( clk_i ),
146 .rst_ni ( rst_shadowed_ni ),
147 .we ( shadow_we ),
148 .wd ( staged_q ),
149 .de ( shadow_de ),
150 .d ( staged_q ),
151 .qe ( ),
152 .q ( shadow_q ),
153 .ds ( ),
154 .qs ( )
155 );
156
157 // The committed register:
158 // - Written in Phase 1.
159 // - Writes are ignored in case of update errors.
160 1/1 assign committed_we = shadow_we;
Tests: T1 T2 T3
161 unreachable assign committed_de = shadow_de;
162 prim_subreg #(
163 .DW ( DW ),
164 .SwAccess ( SwAccess ),
165 .RESVAL ( RESVAL )
166 ) committed_reg (
167 .clk_i ( clk_i ),
168 .rst_ni ( rst_ni ),
169 .we ( committed_we ),
170 .wd ( wr_data ),
171 .de ( committed_de ),
172 .d ( d ),
173 .qe ( committed_qe ),
174 .q ( committed_q ),
175 .ds ( ds ),
176 .qs ( committed_qs )
177 );
178
179 // Output phase for hwext.
180 1/1 assign phase = phase_q;
Tests: T1 T2 T3
181
182 // Error detection - all bits must match.
183 1/1 assign err_update = (~staged_q != wr_data) ? phase_q & wr_en : 1'b0;
Tests: T1 T2 T3
184 1/1 assign err_storage = (~shadow_q != committed_q);
Tests: T1 T2 T3
185
186 // Remaining output assignments
187 1/1 assign qe = committed_qe;
Tests: T1 T2 T3
188 1/1 assign q = committed_q;
Tests: T1 T2 T3
189 1/1 assign qs = committed_qs;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_usb_meas_ctrl_shadowed_lo
| Total | Covered | Percent |
Conditions | 26 | 25 | 96.15 |
Logical | 26 | 25 | 96.15 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 102
EXPRESSION (wr_en && ((!err_storage)))
--1-- --------2-------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T4,T5,T6 |
1 | 0 | Covered | T105,T106,T107 |
1 | 1 | Covered | T1,T2,T3 |
LINE 104
EXPRESSION (phase_clear || err_storage)
-----1----- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T4,T5,T6 |
0 | 1 | Covered | T79,T105,T106 |
1 | 0 | Covered | T10,T11,T45 |
LINE 113
EXPRESSION (we & ((~phase_q)) & ((~err_storage)))
-1 ------2----- --------3-------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T4,T5,T6 |
1 | 0 | 1 | Covered | T1,T2,T3 |
1 | 1 | 0 | Covered | T105,T106,T107 |
1 | 1 | 1 | Covered | T1,T2,T3 |
LINE 114
EXPRESSION (de & ((~phase_q)) & ((~err_storage)))
-1 ------2----- --------3-------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T4,T5,T6 |
1 | 0 | 1 | Unreachable | |
1 | 1 | 0 | Unreachable | |
1 | 1 | 1 | Unreachable | |
LINE 138
EXPRESSION (we & phase_q & ((~err_update)) & ((~err_storage)))
-1 ---2--- -------3------- --------4-------
-1- | -2- | -3- | -4- | Status | Tests |
0 | 1 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | 1 | Covered | T1,T2,T3 |
1 | 1 | 0 | 1 | Covered | T106,T80,T107 |
1 | 1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | 1 | Covered | T1,T2,T3 |
LINE 139
EXPRESSION (de & phase_q & ((~err_update)) & ((~err_storage)))
-1 ---2--- -------3------- --------4-------
-1- | -2- | -3- | -4- | Status | Tests |
0 | 1 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | 1 | Unreachable | |
1 | 1 | 0 | 1 | Unreachable | |
1 | 1 | 1 | 0 | Unreachable | |
1 | 1 | 1 | 1 | Unreachable | |
LINE 183
EXPRESSION (((~staged_q) != wr_data) ? (phase_q & wr_en) : 1'b0)
------------1-----------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T4,T5,T6 |
LINE 183
SUB-EXPRESSION ((~staged_q) != wr_data)
------------1-----------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T4,T5,T6 |
LINE 183
SUB-EXPRESSION (phase_q & wr_en)
---1--- --2--
-1- | -2- | Status | Tests |
0 | 1 | Covered | T1,T2,T3 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T106,T80,T107 |
LINE 184
EXPRESSION ((~shadow_q) != committed_q)
--------------1-------------
-1- | Status | Tests |
0 | Covered | T4,T5,T6 |
1 | Covered | T79,T105,T106 |
Branch Coverage for Instance : tb.dut.u_reg.u_usb_meas_ctrl_shadowed_lo
| Line No. | Total | Covered | Percent |
Branches |
|
6 |
6 |
100.00 |
TERNARY |
183 |
2 |
2 |
100.00 |
IF |
100 |
4 |
4 |
100.00 |
183 assign err_update = (~staged_q != wr_data) ? phase_q & wr_en : 1'b0;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T4,T5,T6 |
0 |
Covered |
T1,T2,T3 |
100 if (!rst_ni) begin
-1-
101 phase_q <= 1'b0;
==>
102 end else if (wr_en && !err_storage) begin
-2-
103 phase_q <= ~phase_q;
==>
104 end else if (phase_clear || err_storage) begin
-3-
105 phase_q <= 1'b0;
==>
106 end
MISSING_ELSE
==>
Branches:
-1- | -2- | -3- | Status | Tests |
1 |
- |
- |
Covered |
T4,T5,T6 |
0 |
1 |
- |
Covered |
T1,T2,T3 |
0 |
0 |
1 |
Covered |
T10,T11,T45 |
0 |
0 |
0 |
Covered |
T4,T5,T6 |
Assert Coverage for Instance : tb.dut.u_reg.u_usb_meas_ctrl_shadowed_lo
Assertion Details
CheckSwAccessIsLegal_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
995 |
995 |
0 |
0 |
T4 |
1 |
1 |
0 |
0 |
T5 |
1 |
1 |
0 |
0 |
T6 |
1 |
1 |
0 |
0 |
T27 |
1 |
1 |
0 |
0 |
T28 |
1 |
1 |
0 |
0 |
T29 |
1 |
1 |
0 |
0 |
T30 |
1 |
1 |
0 |
0 |
T31 |
1 |
1 |
0 |
0 |
T32 |
1 |
1 |
0 |
0 |
T33 |
1 |
1 |
0 |
0 |
MubiIsNotYetSupported_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
34696034 |
32365576 |
0 |
0 |
T4 |
3862 |
3809 |
0 |
0 |
T5 |
3080 |
3027 |
0 |
0 |
T6 |
762 |
667 |
0 |
0 |
T27 |
1344 |
1290 |
0 |
0 |
T28 |
2335 |
2254 |
0 |
0 |
T29 |
1672 |
1598 |
0 |
0 |
T30 |
2369 |
2323 |
0 |
0 |
T31 |
9563 |
9516 |
0 |
0 |
T32 |
6250 |
6176 |
0 |
0 |
T33 |
2076 |
1995 |
0 |
0 |