Line Coverage for Module :
alert_handler_esc_timer
| Line No. | Total | Covered | Percent |
TOTAL | | 101 | 101 | 100.00 |
CONT_ASSIGN | 85 | 1 | 1 | 100.00 |
ALWAYS | 134 | 89 | 89 | 100.00 |
CONT_ASSIGN | 292 | 1 | 1 | 100.00 |
CONT_ASSIGN | 292 | 1 | 1 | 100.00 |
CONT_ASSIGN | 292 | 1 | 1 | 100.00 |
CONT_ASSIGN | 292 | 1 | 1 | 100.00 |
CONT_ASSIGN | 295 | 1 | 1 | 100.00 |
CONT_ASSIGN | 295 | 1 | 1 | 100.00 |
CONT_ASSIGN | 295 | 1 | 1 | 100.00 |
CONT_ASSIGN | 295 | 1 | 1 | 100.00 |
ALWAYS | 305 | 3 | 3 | 100.00 |
84 logic [EscCntDw-1:0] thresh;
85 1/1 assign cnt_ge = (esc_cnt_o >= thresh);
Tests: T1 T2 T3
86
87 //////////////
88 // Main FSM //
89 //////////////
90
91 logic [N_PHASES-1:0] phase_oh;
92
93 // SEC_CM: ESC_TIMER.FSM.SPARSE
94 // Encoding generated with:
95 // $ ./util/design/sparse-fsm-encode.py -d 5 -m 8 -n 10 \
96 // -s 784905746 --language=sv
97 //
98 // Hamming distance histogram:
99 //
100 // 0: --
101 // 1: --
102 // 2: --
103 // 3: --
104 // 4: --
105 // 5: |||||||||||||||||||| (46.43%)
106 // 6: |||||||||||||||||||| (46.43%)
107 // 7: ||| (7.14%)
108 // 8: --
109 // 9: --
110 // 10: --
111 //
112 // Minimum Hamming distance: 5
113 // Maximum Hamming distance: 7
114 // Minimum Hamming weight: 3
115 // Maximum Hamming weight: 9
116 //
117 localparam int StateWidth = 10;
118 typedef enum logic [StateWidth-1:0] {
119 IdleSt = 10'b1011011010,
120 TimeoutSt = 10'b0000100110,
121 Phase0St = 10'b1110000101,
122 Phase1St = 10'b0101010100,
123 Phase2St = 10'b0000011001,
124 Phase3St = 10'b1001100001,
125 TerminalSt = 10'b1101111111,
126 FsmErrorSt = 10'b0111101000
127 } state_e;
128
129 logic fsm_error;
130 state_e state_d, state_q;
131
132 always_comb begin : p_fsm
133 // default
134 1/1 state_d = state_q;
Tests: T1 T2 T3
135 1/1 esc_state_o = Idle;
Tests: T1 T2 T3
136 1/1 cnt_en = 1'b0;
Tests: T1 T2 T3
137 1/1 cnt_clr = 1'b0;
Tests: T1 T2 T3
138 1/1 esc_trig_o = 1'b0;
Tests: T1 T2 T3
139 1/1 phase_oh = '0;
Tests: T1 T2 T3
140 1/1 thresh = timeout_cyc_i;
Tests: T1 T2 T3
141 1/1 fsm_error = 1'b0;
Tests: T1 T2 T3
142 1/1 latch_crashdump_o = 1'b0;
Tests: T1 T2 T3
143
144 1/1 unique case (state_q)
Tests: T1 T2 T3
145 // wait for an escalation trigger or an alert trigger
146 // the latter will trigger an interrupt timeout
147 IdleSt: begin
148 1/1 cnt_clr = 1'b1;
Tests: T1 T2 T3
149 1/1 esc_state_o = Idle;
Tests: T1 T2 T3
150
151 1/1 if (accu_trig_i && en_i && !clr_i) begin
Tests: T1 T2 T3
152 1/1 state_d = Phase0St;
Tests: T1 T2 T3
153 1/1 cnt_en = 1'b1;
Tests: T1 T2 T3
154 1/1 esc_trig_o = 1'b1;
Tests: T1 T2 T3
155 // the counter is zero in this state. so if the
156 // timeout count is zero (==disabled), cnt_ge will be true.
157 1/1 end else if (timeout_en_i && !cnt_ge && en_i) begin
Tests: T1 T2 T3
158 1/1 cnt_en = 1'b1;
Tests: T13 T15 T11
159 1/1 state_d = TimeoutSt;
Tests: T13 T15 T11
160 end
MISSING_ELSE
161 end
162 // we are in interrupt timeout state
163 // in case an escalation comes in, we immediately have to
164 // switch over to the first escalation phase.
165 // in case the interrupt timeout hits it's cycle count, we
166 // also enter escalation phase0.
167 // ongoing timeouts can always be cleared.
168 TimeoutSt: begin
169 1/1 esc_state_o = Timeout;
Tests: T13 T15 T11
170
171 1/1 if ((accu_trig_i && en_i && !clr_i) || (cnt_ge && timeout_en_i)) begin
Tests: T13 T15 T11
172 1/1 state_d = Phase0St;
Tests: T13 T26 T27
173 1/1 cnt_en = 1'b1;
Tests: T13 T26 T27
174 1/1 cnt_clr = 1'b1;
Tests: T13 T26 T27
175 1/1 esc_trig_o = 1'b1;
Tests: T13 T26 T27
176 // the timeout enable is connected to the irq state
177 // if that is cleared, stop the timeout counter
178 1/1 end else if (timeout_en_i) begin
Tests: T13 T15 T11
179 1/1 cnt_en = 1'b1;
Tests: T13 T15 T11
180 end else begin
181 1/1 state_d = IdleSt;
Tests: T13 T15 T11
182 1/1 cnt_clr = 1'b1;
Tests: T13 T15 T11
183 end
184 end
185 // note: autolocking the clear signal is done in the regfile
186 Phase0St: begin
187 1/1 cnt_en = 1'b1;
Tests: T1 T2 T3
188 1/1 phase_oh[0] = 1'b1;
Tests: T1 T2 T3
189 1/1 thresh = phase_cyc_i[0];
Tests: T1 T2 T3
190 1/1 esc_state_o = Phase0;
Tests: T1 T2 T3
191 1/1 latch_crashdump_o = (crashdump_phase_i == 2'b00);
Tests: T1 T2 T3
192
193 1/1 if (clr_i) begin
Tests: T1 T2 T3
194 1/1 state_d = IdleSt;
Tests: T28 T29 T30
195 1/1 cnt_clr = 1'b1;
Tests: T28 T29 T30
196 1/1 cnt_en = 1'b0;
Tests: T28 T29 T30
197 1/1 end else if (cnt_ge) begin
Tests: T1 T2 T3
198 1/1 state_d = Phase1St;
Tests: T1 T2 T3
199 1/1 cnt_clr = 1'b1;
Tests: T1 T2 T3
200 1/1 cnt_en = 1'b1;
Tests: T1 T2 T3
201 end
MISSING_ELSE
202 end
203 Phase1St: begin
204 1/1 cnt_en = 1'b1;
Tests: T1 T2 T3
205 1/1 phase_oh[1] = 1'b1;
Tests: T1 T2 T3
206 1/1 thresh = phase_cyc_i[1];
Tests: T1 T2 T3
207 1/1 esc_state_o = Phase1;
Tests: T1 T2 T3
208 1/1 latch_crashdump_o = (crashdump_phase_i == 2'b01);
Tests: T1 T2 T3
209
210 1/1 if (clr_i) begin
Tests: T1 T2 T3
211 1/1 state_d = IdleSt;
Tests: T31 T32 T33
212 1/1 cnt_clr = 1'b1;
Tests: T31 T32 T33
213 1/1 cnt_en = 1'b0;
Tests: T31 T32 T33
214 1/1 end else if (cnt_ge) begin
Tests: T1 T2 T3
215 1/1 state_d = Phase2St;
Tests: T1 T2 T3
216 1/1 cnt_clr = 1'b1;
Tests: T1 T2 T3
217 1/1 cnt_en = 1'b1;
Tests: T1 T2 T3
218 end
MISSING_ELSE
219 end
220 Phase2St: begin
221 1/1 cnt_en = 1'b1;
Tests: T1 T2 T3
222 1/1 phase_oh[2] = 1'b1;
Tests: T1 T2 T3
223 1/1 thresh = phase_cyc_i[2];
Tests: T1 T2 T3
224 1/1 esc_state_o = Phase2;
Tests: T1 T2 T3
225 1/1 latch_crashdump_o = (crashdump_phase_i == 2'b10);
Tests: T1 T2 T3
226
227
228 1/1 if (clr_i) begin
Tests: T1 T2 T3
229 1/1 state_d = IdleSt;
Tests: T34 T35 T36
230 1/1 cnt_clr = 1'b1;
Tests: T34 T35 T36
231 1/1 cnt_en = 1'b0;
Tests: T34 T35 T36
232 1/1 end else if (cnt_ge) begin
Tests: T1 T2 T3
233 1/1 state_d = Phase3St;
Tests: T1 T2 T3
234 1/1 cnt_clr = 1'b1;
Tests: T1 T2 T3
235 end
MISSING_ELSE
236 end
237 Phase3St: begin
238 1/1 cnt_en = 1'b1;
Tests: T1 T2 T3
239 1/1 phase_oh[3] = 1'b1;
Tests: T1 T2 T3
240 1/1 thresh = phase_cyc_i[3];
Tests: T1 T2 T3
241 1/1 esc_state_o = Phase3;
Tests: T1 T2 T3
242 1/1 latch_crashdump_o = (crashdump_phase_i == 2'b11);
Tests: T1 T2 T3
243
244 1/1 if (clr_i) begin
Tests: T1 T2 T3
245 1/1 state_d = IdleSt;
Tests: T34 T37 T38
246 1/1 cnt_clr = 1'b1;
Tests: T34 T37 T38
247 1/1 cnt_en = 1'b0;
Tests: T34 T37 T38
248 1/1 end else if (cnt_ge) begin
Tests: T1 T2 T3
249 1/1 state_d = TerminalSt;
Tests: T1 T2 T3
250 1/1 cnt_clr = 1'b1;
Tests: T1 T2 T3
251 1/1 cnt_en = 1'b0;
Tests: T1 T2 T3
252 end
MISSING_ELSE
253 end
254 // final, terminal state after escalation.
255 // if clr is locked down, only a system reset
256 // will get us out of this state
257 TerminalSt: begin
258 1/1 cnt_clr = 1'b1;
Tests: T1 T2 T3
259 1/1 esc_state_o = Terminal;
Tests: T1 T2 T3
260 1/1 if (clr_i) begin
Tests: T1 T2 T3
261 1/1 state_d = IdleSt;
Tests: T2 T3 T17
262 end
MISSING_ELSE
263 end
264 // error state, only reached if the FSM has been
265 // glitched. in this state, we trigger all escalation
266 // actions at once.
267 FsmErrorSt: begin
268 1/1 esc_state_o = FsmError;
Tests: T5 T6 T9
269 1/1 fsm_error = 1'b1;
Tests: T5 T6 T9
270 end
271 // SEC_CM: ESC_TIMER.FSM.LOCAL_ESC
272 // catch glitches.
273 default: begin
274 state_d = FsmErrorSt;
275 esc_state_o = FsmError;
276 fsm_error = 1'b1;
277 end
278 endcase
279
280 // SEC_CM: ESC_TIMER.FSM.LOCAL_ESC
281 // if any of the duplicate counter pairs has an inconsistent state
282 // we move into the terminal FSM error state.
283 1/1 if (accu_fail_i || cnt_error) begin
Tests: T1 T2 T3
284 1/1 state_d = FsmErrorSt;
Tests: T5 T6 T9
285 1/1 fsm_error = 1'b1;
Tests: T5 T6 T9
286 end
MISSING_ELSE
287 end
288
289 logic [N_ESC_SEV-1:0][N_PHASES-1:0] esc_map_oh;
290 for (genvar k = 0; k < N_ESC_SEV; k++) begin : gen_phase_map
291 // generate configuration mask for escalation enable signals
292 4/4 assign esc_map_oh[k] = N_ESC_SEV'(esc_en_i[k]) << esc_map_i[k];
Tests: T1 T2 T3 | T1 T2 T3 | T1 T2 T3 | T1 T2 T3
293 // mask reduce current phase state vector
294 // SEC_CM: ESC_TIMER.FSM.GLOBAL_ESC
295 4/4 assign esc_sig_req_o[k] = |(esc_map_oh[k] & phase_oh) | fsm_error;
Tests: T1 T2 T3 | T1 T2 T3 | T1 T2 T3 | T1 T2 T3
296 end
297
298 ///////////////////
299 // FSM Registers //
300 ///////////////////
301
302 // The alert handler behaves differently than other comportable IP. I.e., instead of sending out
303 // an alert signal, this condition is handled internally in the alert handler. The
304 // EnableAlertTriggerSVA parameter is therefore set to 0.
305 3/3 `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, IdleSt, clk_i, rst_ni, 0)
Tests: T1 T2 T3 | T1 T2 T3 | T1 T2 T3
PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, IdleSt, clk_i, rst_ni, 0):
305.1 `ifdef SIMULATION
305.2 prim_sparse_fsm_flop #(
305.3 .StateEnumT(state_e),
305.4 .Width($bits(state_e)),
305.5 .ResetValue($bits(state_e)'(IdleSt)),
305.6 .EnableAlertTriggerSVA(0),
305.7 .CustomForceName("state_q")
305.8 ) u_state_regs (
305.9 .clk_i ( clk_i ),
305.10 .rst_ni ( rst_ni ),
305.11 .state_i ( state_d ),
305.12 .state_o ( )
305.13 );
305.14 always_ff @(posedge clk_i or negedge rst_ni) begin
305.15 1/1 if (!rst_ni) begin
Tests: T1 T2 T3
305.16 1/1 state_q <= IdleSt;
Tests: T1 T2 T3
305.17 end else begin
305.18 1/1 state_q <= state_d;
Tests: T1 T2 T3
305.19 end
305.20 end
305.21 u_state_regs_A: assert property (@(posedge clk_i) disable iff ((!rst_ni) !== '0) (state_q === u_state_regs.state_o))
305.22 else begin
305.23 `ifdef UVM
305.24 uvm_pkg::uvm_report_error("ASSERT FAILED", "u_state_regs_A", uvm_pkg::UVM_NONE,
305.25 "../src/lowrisc_ip_alert_handler_component_0.1/rtl/alert_handler_esc_timer.sv", 305, "", 1);
305.26 `else
305.27 $error("%0t: (%0s:%0d) [%m] [ASSERT FAILED] %0s", $time, `__FILE__, `__LINE__,
305.28 `PRIM_STRINGIFY(u_state_regs_A));
305.29 `endif
305.30 end
305.31 `else
305.32 prim_sparse_fsm_flop #(
305.33 .StateEnumT(state_e),
305.34 .Width($bits(state_e)),
305.35 .ResetValue($bits(state_e)'(IdleSt)),
305.36 .EnableAlertTriggerSVA(0)
305.37 ) u_state_regs (
305.38 .clk_i ( clk_i ),
305.39 .rst_ni ( rst_ni ),
305.40 .state_i ( state_d ),
305.41 .state_o ( state_q )
305.42 );
305.43 `endif
Cond Coverage for Module :
alert_handler_esc_timer
| Total | Covered | Percent |
Conditions | 47 | 43 | 91.49 |
Logical | 47 | 43 | 91.49 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 66
EXPRESSION (cnt_clr && ((!cnt_en)))
---1--- -----2-----
-1- | -2- | Status | Tests |
0 | 1 | Covered | T5,T6,T9 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T1,T2,T3 |
LINE 66
EXPRESSION (cnt_clr && cnt_en)
---1--- ---2--
-1- | -2- | Status | Tests |
0 | 1 | Covered | T2,T3,T10 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T1,T2,T3 |
LINE 151
EXPRESSION (accu_trig_i && en_i && ((!clr_i)))
-----1----- --2- -----3----
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | Not Covered | |
1 | 1 | 0 | Covered | T39 |
1 | 1 | 1 | Covered | T1,T2,T3 |
LINE 157
EXPRESSION (timeout_en_i && ((!cnt_ge)) && en_i)
------1----- -----2----- --3-
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T2,T3,T10 |
1 | 0 | 1 | Covered | T1,T2,T14 |
1 | 1 | 0 | Covered | T2,T3,T13 |
1 | 1 | 1 | Covered | T13,T15,T11 |
LINE 171
EXPRESSION ((accu_trig_i && en_i && ((!clr_i))) || (cnt_ge && timeout_en_i))
-----------------1----------------- ------------2-----------
-1- | -2- | Status | Tests |
0 | 0 | Covered | T13,T15,T11 |
0 | 1 | Covered | T13,T26,T27 |
1 | 0 | Covered | T40,T41,T42 |
LINE 171
SUB-EXPRESSION (accu_trig_i && en_i && ((!clr_i)))
-----1----- --2- -----3----
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T13,T15,T11 |
1 | 0 | 1 | Not Covered | |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T40,T41,T42 |
LINE 171
SUB-EXPRESSION (cnt_ge && timeout_en_i)
---1-- ------2-----
-1- | -2- | Status | Tests |
0 | 1 | Covered | T13,T15,T11 |
1 | 0 | Not Covered | |
1 | 1 | Covered | T13,T26,T27 |
LINE 191
EXPRESSION (crashdump_phase_i == 2'b0)
-------------1-------------
-1- | Status | Tests |
0 | Covered | T2,T3,T10 |
1 | Covered | T1,T12,T14 |
LINE 208
EXPRESSION (crashdump_phase_i == 2'b1)
-------------1-------------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T3,T13,T26 |
LINE 225
EXPRESSION (crashdump_phase_i == 2'b10)
--------------1-------------
-1- | Status | Tests |
0 | Covered | T1,T3,T12 |
1 | Covered | T2,T10,T15 |
LINE 242
EXPRESSION (crashdump_phase_i == 2'b11)
--------------1-------------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T3,T17,T43 |
LINE 283
EXPRESSION (accu_fail_i || cnt_error)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T5,T6,T9 |
1 | 0 | Covered | T5,T6,T9 |
LINE 295
EXPRESSION (((|(esc_map_oh[0] & phase_oh))) | fsm_error)
---------------1--------------- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T5,T6,T9 |
1 | 0 | Covered | T1,T2,T3 |
LINE 295
EXPRESSION (((|(esc_map_oh[1] & phase_oh))) | fsm_error)
---------------1--------------- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T5,T6,T9 |
1 | 0 | Covered | T1,T2,T12 |
LINE 295
EXPRESSION (((|(esc_map_oh[2] & phase_oh))) | fsm_error)
---------------1--------------- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T5,T6,T9 |
1 | 0 | Covered | T1,T13,T14 |
LINE 295
EXPRESSION (((|(esc_map_oh[3] & phase_oh))) | fsm_error)
---------------1--------------- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T5,T6,T9 |
1 | 0 | Covered | T1,T3,T12 |
FSM Coverage for Module :
alert_handler_esc_timer
Summary for FSM :: state_q
| Total | Covered | Percent | |
States |
8 |
8 |
100.00 |
(Not included in score) |
Transitions |
20 |
14 |
70.00 |
|
Sequences |
0 |
0 |
|
|
State, Transition and Sequence Details for FSM :: state_q
states | Line No. | Covered | Tests |
FsmErrorSt |
284 |
Covered |
T5,T6,T9 |
IdleSt |
181 |
Covered |
T1,T2,T3 |
Phase0St |
152 |
Covered |
T1,T2,T3 |
Phase1St |
198 |
Covered |
T1,T2,T3 |
Phase2St |
215 |
Covered |
T1,T2,T3 |
Phase3St |
233 |
Covered |
T1,T2,T3 |
TerminalSt |
249 |
Covered |
T1,T2,T3 |
TimeoutSt |
159 |
Covered |
T13,T15,T11 |
transitions | Line No. | Covered | Tests |
IdleSt->FsmErrorSt |
284 |
Covered |
T5,T6,T9 |
IdleSt->Phase0St |
152 |
Covered |
T1,T2,T3 |
IdleSt->TimeoutSt |
159 |
Covered |
T13,T15,T11 |
Phase0St->FsmErrorSt |
284 |
Not Covered |
|
Phase0St->IdleSt |
194 |
Covered |
T44,T28,T29 |
Phase0St->Phase1St |
198 |
Covered |
T1,T2,T3 |
Phase1St->FsmErrorSt |
284 |
Not Covered |
|
Phase1St->IdleSt |
211 |
Covered |
T31,T32,T44 |
Phase1St->Phase2St |
215 |
Covered |
T1,T2,T3 |
Phase2St->FsmErrorSt |
284 |
Not Covered |
|
Phase2St->IdleSt |
229 |
Covered |
T34,T44,T45 |
Phase2St->Phase3St |
233 |
Covered |
T1,T2,T3 |
Phase3St->FsmErrorSt |
284 |
Not Covered |
|
Phase3St->IdleSt |
245 |
Covered |
T34,T37,T38 |
Phase3St->TerminalSt |
249 |
Covered |
T1,T2,T3 |
TerminalSt->FsmErrorSt |
284 |
Not Covered |
|
TerminalSt->IdleSt |
261 |
Covered |
T2,T3,T17 |
TimeoutSt->FsmErrorSt |
284 |
Not Covered |
|
TimeoutSt->IdleSt |
181 |
Covered |
T13,T15,T11 |
TimeoutSt->Phase0St |
172 |
Covered |
T13,T26,T27 |
Branch Coverage for Module :
alert_handler_esc_timer
| Line No. | Total | Covered | Percent |
Branches |
|
26 |
26 |
100.00 |
CASE |
144 |
22 |
22 |
100.00 |
IF |
283 |
2 |
2 |
100.00 |
IF |
305 |
2 |
2 |
100.00 |
144 unique case (state_q)
-1-
145 // wait for an escalation trigger or an alert trigger
146 // the latter will trigger an interrupt timeout
147 IdleSt: begin
148 cnt_clr = 1'b1;
149 esc_state_o = Idle;
150
151 if (accu_trig_i && en_i && !clr_i) begin
-2-
152 state_d = Phase0St;
==>
153 cnt_en = 1'b1;
154 esc_trig_o = 1'b1;
155 // the counter is zero in this state. so if the
156 // timeout count is zero (==disabled), cnt_ge will be true.
157 end else if (timeout_en_i && !cnt_ge && en_i) begin
-3-
158 cnt_en = 1'b1;
==>
159 state_d = TimeoutSt;
160 end
MISSING_ELSE
==>
161 end
162 // we are in interrupt timeout state
163 // in case an escalation comes in, we immediately have to
164 // switch over to the first escalation phase.
165 // in case the interrupt timeout hits it's cycle count, we
166 // also enter escalation phase0.
167 // ongoing timeouts can always be cleared.
168 TimeoutSt: begin
169 esc_state_o = Timeout;
170
171 if ((accu_trig_i && en_i && !clr_i) || (cnt_ge && timeout_en_i)) begin
-4-
172 state_d = Phase0St;
==>
173 cnt_en = 1'b1;
174 cnt_clr = 1'b1;
175 esc_trig_o = 1'b1;
176 // the timeout enable is connected to the irq state
177 // if that is cleared, stop the timeout counter
178 end else if (timeout_en_i) begin
-5-
179 cnt_en = 1'b1;
==>
180 end else begin
181 state_d = IdleSt;
==>
182 cnt_clr = 1'b1;
183 end
184 end
185 // note: autolocking the clear signal is done in the regfile
186 Phase0St: begin
187 cnt_en = 1'b1;
188 phase_oh[0] = 1'b1;
189 thresh = phase_cyc_i[0];
190 esc_state_o = Phase0;
191 latch_crashdump_o = (crashdump_phase_i == 2'b00);
192
193 if (clr_i) begin
-6-
194 state_d = IdleSt;
==>
195 cnt_clr = 1'b1;
196 cnt_en = 1'b0;
197 end else if (cnt_ge) begin
-7-
198 state_d = Phase1St;
==>
199 cnt_clr = 1'b1;
200 cnt_en = 1'b1;
201 end
MISSING_ELSE
==>
202 end
203 Phase1St: begin
204 cnt_en = 1'b1;
205 phase_oh[1] = 1'b1;
206 thresh = phase_cyc_i[1];
207 esc_state_o = Phase1;
208 latch_crashdump_o = (crashdump_phase_i == 2'b01);
209
210 if (clr_i) begin
-8-
211 state_d = IdleSt;
==>
212 cnt_clr = 1'b1;
213 cnt_en = 1'b0;
214 end else if (cnt_ge) begin
-9-
215 state_d = Phase2St;
==>
216 cnt_clr = 1'b1;
217 cnt_en = 1'b1;
218 end
MISSING_ELSE
==>
219 end
220 Phase2St: begin
221 cnt_en = 1'b1;
222 phase_oh[2] = 1'b1;
223 thresh = phase_cyc_i[2];
224 esc_state_o = Phase2;
225 latch_crashdump_o = (crashdump_phase_i == 2'b10);
226
227
228 if (clr_i) begin
-10-
229 state_d = IdleSt;
==>
230 cnt_clr = 1'b1;
231 cnt_en = 1'b0;
232 end else if (cnt_ge) begin
-11-
233 state_d = Phase3St;
==>
234 cnt_clr = 1'b1;
235 end
MISSING_ELSE
==>
236 end
237 Phase3St: begin
238 cnt_en = 1'b1;
239 phase_oh[3] = 1'b1;
240 thresh = phase_cyc_i[3];
241 esc_state_o = Phase3;
242 latch_crashdump_o = (crashdump_phase_i == 2'b11);
243
244 if (clr_i) begin
-12-
245 state_d = IdleSt;
==>
246 cnt_clr = 1'b1;
247 cnt_en = 1'b0;
248 end else if (cnt_ge) begin
-13-
249 state_d = TerminalSt;
==>
250 cnt_clr = 1'b1;
251 cnt_en = 1'b0;
252 end
MISSING_ELSE
==>
253 end
254 // final, terminal state after escalation.
255 // if clr is locked down, only a system reset
256 // will get us out of this state
257 TerminalSt: begin
258 cnt_clr = 1'b1;
259 esc_state_o = Terminal;
260 if (clr_i) begin
-14-
261 state_d = IdleSt;
==>
262 end
MISSING_ELSE
==>
263 end
264 // error state, only reached if the FSM has been
265 // glitched. in this state, we trigger all escalation
266 // actions at once.
267 FsmErrorSt: begin
268 esc_state_o = FsmError;
==>
269 fsm_error = 1'b1;
270 end
271 // SEC_CM: ESC_TIMER.FSM.LOCAL_ESC
272 // catch glitches.
273 default: begin
274 state_d = FsmErrorSt;
==>
Branches:
-1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | Status | Tests |
IdleSt |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
IdleSt |
0 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T13,T15,T11 |
IdleSt |
0 |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
TimeoutSt |
- |
- |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T13,T26,T27 |
TimeoutSt |
- |
- |
0 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T13,T15,T11 |
TimeoutSt |
- |
- |
0 |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T13,T15,T11 |
Phase0St |
- |
- |
- |
- |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T28,T29,T30 |
Phase0St |
- |
- |
- |
- |
0 |
1 |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
Phase0St |
- |
- |
- |
- |
0 |
0 |
- |
- |
- |
- |
- |
- |
- |
Covered |
T2,T3,T10 |
Phase1St |
- |
- |
- |
- |
- |
- |
1 |
- |
- |
- |
- |
- |
- |
Covered |
T31,T32,T33 |
Phase1St |
- |
- |
- |
- |
- |
- |
0 |
1 |
- |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
Phase1St |
- |
- |
- |
- |
- |
- |
0 |
0 |
- |
- |
- |
- |
- |
Covered |
T2,T3,T10 |
Phase2St |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
- |
- |
- |
- |
Covered |
T34,T35,T36 |
Phase2St |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
1 |
- |
- |
- |
Covered |
T1,T2,T3 |
Phase2St |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
0 |
- |
- |
- |
Covered |
T2,T3,T10 |
Phase3St |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
- |
- |
Covered |
T34,T37,T38 |
Phase3St |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
1 |
- |
Covered |
T1,T2,T3 |
Phase3St |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
0 |
- |
Covered |
T2,T3,T10 |
TerminalSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
Covered |
T2,T3,T17 |
TerminalSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
Covered |
T1,T2,T3 |
FsmErrorSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T5,T6,T9 |
default |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T5,T6,T9 |
283 if (accu_fail_i || cnt_error) begin
-1-
284 state_d = FsmErrorSt;
==>
285 fsm_error = 1'b1;
286 end
MISSING_ELSE
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T5,T6,T9 |
0 |
Covered |
T1,T2,T3 |
305 `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, IdleSt, clk_i, rst_ni, 0)
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Module :
alert_handler_esc_timer
Assertion Details
AccuFailToFsmError_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
800 |
0 |
0 |
T5 |
137172 |
220 |
0 |
0 |
T6 |
94440 |
86 |
0 |
0 |
T7 |
244300 |
0 |
0 |
0 |
T9 |
0 |
124 |
0 |
0 |
T11 |
198228 |
0 |
0 |
0 |
T14 |
18396 |
0 |
0 |
0 |
T15 |
132956 |
0 |
0 |
0 |
T16 |
12288 |
0 |
0 |
0 |
T17 |
191152 |
0 |
0 |
0 |
T26 |
139124 |
0 |
0 |
0 |
T27 |
126036 |
0 |
0 |
0 |
T46 |
0 |
105 |
0 |
0 |
T47 |
0 |
265 |
0 |
0 |
CheckAccumTrig0_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
2252 |
0 |
0 |
T1 |
3466 |
1 |
0 |
0 |
T2 |
82059 |
2 |
0 |
0 |
T3 |
165840 |
7 |
0 |
0 |
T4 |
111700 |
0 |
0 |
0 |
T5 |
137172 |
0 |
0 |
0 |
T10 |
161132 |
1 |
0 |
0 |
T11 |
49557 |
0 |
0 |
0 |
T12 |
236948 |
1 |
0 |
0 |
T13 |
304868 |
0 |
0 |
0 |
T14 |
18396 |
1 |
0 |
0 |
T15 |
99717 |
2 |
0 |
0 |
T17 |
191152 |
1 |
0 |
0 |
T26 |
0 |
2 |
0 |
0 |
T31 |
0 |
2 |
0 |
0 |
T32 |
0 |
4 |
0 |
0 |
T40 |
0 |
1 |
0 |
0 |
T43 |
0 |
3 |
0 |
0 |
T48 |
0 |
2 |
0 |
0 |
T49 |
0 |
1 |
0 |
0 |
T50 |
0 |
2 |
0 |
0 |
T51 |
0 |
2 |
0 |
0 |
T52 |
0 |
1 |
0 |
0 |
T53 |
0 |
3 |
0 |
0 |
T54 |
0 |
1 |
0 |
0 |
T55 |
0 |
2 |
0 |
0 |
CheckAccumTrig1_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
109 |
0 |
0 |
T18 |
354763 |
0 |
0 |
0 |
T23 |
25226 |
0 |
0 |
0 |
T24 |
10839 |
0 |
0 |
0 |
T34 |
48674 |
0 |
0 |
0 |
T40 |
72117 |
1 |
0 |
0 |
T41 |
92008 |
1 |
0 |
0 |
T42 |
73577 |
1 |
0 |
0 |
T44 |
0 |
1 |
0 |
0 |
T47 |
41589 |
0 |
0 |
0 |
T53 |
14387 |
0 |
0 |
0 |
T54 |
56173 |
0 |
0 |
0 |
T56 |
0 |
1 |
0 |
0 |
T57 |
0 |
1 |
0 |
0 |
T58 |
0 |
1 |
0 |
0 |
T59 |
0 |
1 |
0 |
0 |
T60 |
0 |
1 |
0 |
0 |
T61 |
0 |
1 |
0 |
0 |
T62 |
0 |
2 |
0 |
0 |
T63 |
0 |
1 |
0 |
0 |
T64 |
0 |
1 |
0 |
0 |
T65 |
107968 |
1 |
0 |
0 |
T66 |
0 |
1 |
0 |
0 |
T67 |
0 |
1 |
0 |
0 |
T68 |
0 |
1 |
0 |
0 |
T69 |
0 |
2 |
0 |
0 |
T70 |
0 |
2 |
0 |
0 |
T71 |
0 |
1 |
0 |
0 |
T72 |
0 |
1 |
0 |
0 |
T73 |
11559 |
0 |
0 |
0 |
T74 |
19103 |
0 |
0 |
0 |
T75 |
41354 |
0 |
0 |
0 |
T76 |
36868 |
0 |
0 |
0 |
T77 |
2651 |
0 |
0 |
0 |
T78 |
27582 |
0 |
0 |
0 |
T79 |
42077 |
0 |
0 |
0 |
T80 |
19405 |
0 |
0 |
0 |
T81 |
4411 |
0 |
0 |
0 |
T82 |
48287 |
0 |
0 |
0 |
CheckClr_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
1108 |
0 |
0 |
T2 |
27353 |
1 |
0 |
0 |
T3 |
82920 |
5 |
0 |
0 |
T4 |
55850 |
0 |
0 |
0 |
T5 |
68586 |
0 |
0 |
0 |
T7 |
61075 |
0 |
0 |
0 |
T8 |
47065 |
0 |
0 |
0 |
T9 |
24025 |
0 |
0 |
0 |
T10 |
80566 |
0 |
0 |
0 |
T11 |
49557 |
0 |
0 |
0 |
T12 |
118474 |
0 |
0 |
0 |
T13 |
152434 |
0 |
0 |
0 |
T14 |
9198 |
0 |
0 |
0 |
T15 |
66478 |
0 |
0 |
0 |
T16 |
3072 |
0 |
0 |
0 |
T17 |
95576 |
1 |
0 |
0 |
T26 |
34781 |
1 |
0 |
0 |
T27 |
31509 |
1 |
0 |
0 |
T31 |
56799 |
1 |
0 |
0 |
T35 |
0 |
1 |
0 |
0 |
T41 |
0 |
4 |
0 |
0 |
T43 |
78983 |
2 |
0 |
0 |
T44 |
0 |
2 |
0 |
0 |
T48 |
8812 |
2 |
0 |
0 |
T49 |
17911 |
0 |
0 |
0 |
T51 |
0 |
1 |
0 |
0 |
T54 |
0 |
1 |
0 |
0 |
T55 |
0 |
1 |
0 |
0 |
T74 |
0 |
1 |
0 |
0 |
T76 |
0 |
1 |
0 |
0 |
T83 |
0 |
1 |
0 |
0 |
T84 |
0 |
1 |
0 |
0 |
T85 |
0 |
1 |
0 |
0 |
T86 |
0 |
1 |
0 |
0 |
T87 |
0 |
1 |
0 |
0 |
CheckEn_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
925967345 |
0 |
0 |
T1 |
13864 |
11250 |
0 |
0 |
T2 |
109412 |
65614 |
0 |
0 |
T3 |
165840 |
91209 |
0 |
0 |
T4 |
111700 |
34594 |
0 |
0 |
T5 |
1372 |
988 |
0 |
0 |
T10 |
161132 |
122182 |
0 |
0 |
T12 |
236948 |
179587 |
0 |
0 |
T13 |
304868 |
163574 |
0 |
0 |
T14 |
18396 |
12952 |
0 |
0 |
T17 |
191152 |
145799 |
0 |
0 |
CheckPhase0_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
2521 |
0 |
0 |
T1 |
3466 |
1 |
0 |
0 |
T2 |
82059 |
2 |
0 |
0 |
T3 |
165840 |
7 |
0 |
0 |
T4 |
111700 |
0 |
0 |
0 |
T5 |
137172 |
0 |
0 |
0 |
T10 |
161132 |
1 |
0 |
0 |
T11 |
49557 |
0 |
0 |
0 |
T12 |
236948 |
1 |
0 |
0 |
T13 |
304868 |
1 |
0 |
0 |
T14 |
18396 |
1 |
0 |
0 |
T15 |
99717 |
2 |
0 |
0 |
T17 |
191152 |
1 |
0 |
0 |
T26 |
0 |
3 |
0 |
0 |
T27 |
0 |
1 |
0 |
0 |
T31 |
0 |
2 |
0 |
0 |
T32 |
0 |
4 |
0 |
0 |
T40 |
0 |
2 |
0 |
0 |
T43 |
0 |
3 |
0 |
0 |
T48 |
0 |
2 |
0 |
0 |
T49 |
0 |
1 |
0 |
0 |
T50 |
0 |
2 |
0 |
0 |
T52 |
0 |
1 |
0 |
0 |
T88 |
0 |
1 |
0 |
0 |
T89 |
0 |
2 |
0 |
0 |
CheckPhase1_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
2456 |
0 |
0 |
T1 |
3466 |
1 |
0 |
0 |
T2 |
82059 |
2 |
0 |
0 |
T3 |
165840 |
7 |
0 |
0 |
T4 |
111700 |
0 |
0 |
0 |
T5 |
137172 |
0 |
0 |
0 |
T10 |
161132 |
1 |
0 |
0 |
T11 |
49557 |
0 |
0 |
0 |
T12 |
236948 |
1 |
0 |
0 |
T13 |
304868 |
1 |
0 |
0 |
T14 |
18396 |
1 |
0 |
0 |
T15 |
99717 |
2 |
0 |
0 |
T17 |
191152 |
1 |
0 |
0 |
T26 |
0 |
3 |
0 |
0 |
T27 |
0 |
1 |
0 |
0 |
T31 |
0 |
1 |
0 |
0 |
T32 |
0 |
3 |
0 |
0 |
T40 |
0 |
2 |
0 |
0 |
T43 |
0 |
3 |
0 |
0 |
T48 |
0 |
2 |
0 |
0 |
T49 |
0 |
1 |
0 |
0 |
T50 |
0 |
2 |
0 |
0 |
T52 |
0 |
1 |
0 |
0 |
T88 |
0 |
1 |
0 |
0 |
T89 |
0 |
2 |
0 |
0 |
CheckPhase2_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
2393 |
0 |
0 |
T1 |
3466 |
1 |
0 |
0 |
T2 |
82059 |
2 |
0 |
0 |
T3 |
165840 |
7 |
0 |
0 |
T4 |
111700 |
0 |
0 |
0 |
T5 |
137172 |
0 |
0 |
0 |
T10 |
161132 |
1 |
0 |
0 |
T11 |
49557 |
0 |
0 |
0 |
T12 |
236948 |
1 |
0 |
0 |
T13 |
304868 |
1 |
0 |
0 |
T14 |
18396 |
1 |
0 |
0 |
T15 |
99717 |
2 |
0 |
0 |
T17 |
191152 |
1 |
0 |
0 |
T26 |
0 |
3 |
0 |
0 |
T27 |
0 |
1 |
0 |
0 |
T31 |
0 |
1 |
0 |
0 |
T32 |
0 |
3 |
0 |
0 |
T40 |
0 |
2 |
0 |
0 |
T43 |
0 |
3 |
0 |
0 |
T48 |
0 |
2 |
0 |
0 |
T49 |
0 |
1 |
0 |
0 |
T50 |
0 |
2 |
0 |
0 |
T52 |
0 |
1 |
0 |
0 |
T88 |
0 |
1 |
0 |
0 |
T89 |
0 |
2 |
0 |
0 |
CheckPhase3_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
2332 |
0 |
0 |
T1 |
3466 |
1 |
0 |
0 |
T2 |
82059 |
2 |
0 |
0 |
T3 |
165840 |
7 |
0 |
0 |
T4 |
111700 |
0 |
0 |
0 |
T5 |
137172 |
0 |
0 |
0 |
T10 |
161132 |
1 |
0 |
0 |
T11 |
49557 |
0 |
0 |
0 |
T12 |
236948 |
1 |
0 |
0 |
T13 |
304868 |
1 |
0 |
0 |
T14 |
18396 |
1 |
0 |
0 |
T15 |
99717 |
2 |
0 |
0 |
T17 |
191152 |
1 |
0 |
0 |
T26 |
0 |
3 |
0 |
0 |
T27 |
0 |
1 |
0 |
0 |
T31 |
0 |
1 |
0 |
0 |
T32 |
0 |
3 |
0 |
0 |
T40 |
0 |
2 |
0 |
0 |
T43 |
0 |
3 |
0 |
0 |
T48 |
0 |
2 |
0 |
0 |
T49 |
0 |
1 |
0 |
0 |
T50 |
0 |
2 |
0 |
0 |
T52 |
0 |
1 |
0 |
0 |
T88 |
0 |
1 |
0 |
0 |
T89 |
0 |
2 |
0 |
0 |
CheckTimeout0_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
2178 |
0 |
0 |
T5 |
68586 |
0 |
0 |
0 |
T6 |
47220 |
0 |
0 |
0 |
T7 |
122150 |
0 |
0 |
0 |
T8 |
94130 |
0 |
0 |
0 |
T9 |
48050 |
0 |
0 |
0 |
T11 |
99114 |
6 |
0 |
0 |
T13 |
152434 |
8 |
0 |
0 |
T14 |
9198 |
0 |
0 |
0 |
T15 |
66478 |
1 |
0 |
0 |
T16 |
6144 |
0 |
0 |
0 |
T17 |
95576 |
0 |
0 |
0 |
T26 |
69562 |
1 |
0 |
0 |
T27 |
126036 |
7 |
0 |
0 |
T31 |
113598 |
0 |
0 |
0 |
T34 |
0 |
1 |
0 |
0 |
T40 |
0 |
1 |
0 |
0 |
T41 |
0 |
1 |
0 |
0 |
T43 |
157966 |
0 |
0 |
0 |
T44 |
0 |
2 |
0 |
0 |
T45 |
0 |
1 |
0 |
0 |
T48 |
17624 |
1 |
0 |
0 |
T49 |
35822 |
0 |
0 |
0 |
T52 |
0 |
1 |
0 |
0 |
T53 |
0 |
2 |
0 |
0 |
T54 |
0 |
1 |
0 |
0 |
T55 |
0 |
1 |
0 |
0 |
T76 |
0 |
4 |
0 |
0 |
T79 |
0 |
12 |
0 |
0 |
T88 |
29382 |
4 |
0 |
0 |
T89 |
0 |
3 |
0 |
0 |
T90 |
0 |
2 |
0 |
0 |
T91 |
0 |
2 |
0 |
0 |
T92 |
2302 |
0 |
0 |
0 |
CheckTimeoutSt1_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
273264 |
0 |
0 |
T5 |
68586 |
0 |
0 |
0 |
T6 |
47220 |
0 |
0 |
0 |
T7 |
122150 |
0 |
0 |
0 |
T8 |
94130 |
0 |
0 |
0 |
T9 |
48050 |
0 |
0 |
0 |
T11 |
99114 |
907 |
0 |
0 |
T13 |
152434 |
1513 |
0 |
0 |
T14 |
9198 |
0 |
0 |
0 |
T15 |
66478 |
42 |
0 |
0 |
T16 |
6144 |
0 |
0 |
0 |
T17 |
95576 |
0 |
0 |
0 |
T26 |
69562 |
317 |
0 |
0 |
T27 |
126036 |
1338 |
0 |
0 |
T31 |
113598 |
0 |
0 |
0 |
T34 |
0 |
179 |
0 |
0 |
T40 |
0 |
1 |
0 |
0 |
T41 |
0 |
1 |
0 |
0 |
T43 |
157966 |
0 |
0 |
0 |
T44 |
0 |
44 |
0 |
0 |
T45 |
0 |
257 |
0 |
0 |
T48 |
17624 |
51 |
0 |
0 |
T49 |
35822 |
0 |
0 |
0 |
T52 |
0 |
20 |
0 |
0 |
T53 |
0 |
115 |
0 |
0 |
T54 |
0 |
548 |
0 |
0 |
T55 |
0 |
119 |
0 |
0 |
T76 |
0 |
455 |
0 |
0 |
T79 |
0 |
1365 |
0 |
0 |
T88 |
29382 |
287 |
0 |
0 |
T89 |
0 |
389 |
0 |
0 |
T90 |
0 |
221 |
0 |
0 |
T91 |
0 |
390 |
0 |
0 |
T92 |
2302 |
0 |
0 |
0 |
CheckTimeoutSt2_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
1848 |
0 |
0 |
T5 |
34293 |
0 |
0 |
0 |
T6 |
47220 |
0 |
0 |
0 |
T7 |
122150 |
0 |
0 |
0 |
T8 |
47065 |
0 |
0 |
0 |
T9 |
24025 |
0 |
0 |
0 |
T11 |
99114 |
6 |
0 |
0 |
T13 |
76217 |
7 |
0 |
0 |
T14 |
4599 |
0 |
0 |
0 |
T15 |
66478 |
1 |
0 |
0 |
T16 |
6144 |
0 |
0 |
0 |
T17 |
47788 |
0 |
0 |
0 |
T21 |
20548 |
0 |
0 |
0 |
T26 |
69562 |
0 |
0 |
0 |
T27 |
94527 |
6 |
0 |
0 |
T31 |
113598 |
0 |
0 |
0 |
T33 |
0 |
4 |
0 |
0 |
T34 |
0 |
1 |
0 |
0 |
T42 |
0 |
2 |
0 |
0 |
T43 |
157966 |
0 |
0 |
0 |
T44 |
0 |
2 |
0 |
0 |
T48 |
17624 |
1 |
0 |
0 |
T49 |
17911 |
0 |
0 |
0 |
T50 |
138148 |
0 |
0 |
0 |
T52 |
0 |
1 |
0 |
0 |
T53 |
0 |
2 |
0 |
0 |
T55 |
0 |
1 |
0 |
0 |
T76 |
0 |
3 |
0 |
0 |
T79 |
0 |
12 |
0 |
0 |
T88 |
29382 |
3 |
0 |
0 |
T89 |
0 |
1 |
0 |
0 |
T90 |
0 |
2 |
0 |
0 |
T91 |
0 |
5 |
0 |
0 |
T92 |
1151 |
0 |
0 |
0 |
T93 |
0 |
2 |
0 |
0 |
T94 |
0 |
26 |
0 |
0 |
T95 |
0 |
1 |
0 |
0 |
CheckTimeoutStTrig_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
208 |
0 |
0 |
T5 |
34293 |
0 |
0 |
0 |
T6 |
23610 |
0 |
0 |
0 |
T7 |
61075 |
0 |
0 |
0 |
T8 |
47065 |
0 |
0 |
0 |
T9 |
24025 |
0 |
0 |
0 |
T11 |
49557 |
0 |
0 |
0 |
T13 |
76217 |
1 |
0 |
0 |
T14 |
4599 |
0 |
0 |
0 |
T15 |
33239 |
0 |
0 |
0 |
T16 |
3072 |
0 |
0 |
0 |
T17 |
47788 |
0 |
0 |
0 |
T21 |
20548 |
0 |
0 |
0 |
T26 |
34781 |
1 |
0 |
0 |
T27 |
63018 |
1 |
0 |
0 |
T30 |
0 |
2 |
0 |
0 |
T31 |
56799 |
0 |
0 |
0 |
T33 |
0 |
4 |
0 |
0 |
T36 |
0 |
2 |
0 |
0 |
T43 |
78983 |
0 |
0 |
0 |
T48 |
8812 |
0 |
0 |
0 |
T49 |
17911 |
0 |
0 |
0 |
T50 |
138148 |
0 |
0 |
0 |
T54 |
0 |
2 |
0 |
0 |
T76 |
0 |
1 |
0 |
0 |
T83 |
0 |
1 |
0 |
0 |
T88 |
29382 |
1 |
0 |
0 |
T89 |
0 |
2 |
0 |
0 |
T92 |
1151 |
0 |
0 |
0 |
T95 |
0 |
2 |
0 |
0 |
T96 |
0 |
1 |
0 |
0 |
T97 |
0 |
3 |
0 |
0 |
T98 |
0 |
1 |
0 |
0 |
T99 |
0 |
1 |
0 |
0 |
T100 |
0 |
1 |
0 |
0 |
T101 |
0 |
1 |
0 |
0 |
T102 |
0 |
4 |
0 |
0 |
T103 |
0 |
1 |
0 |
0 |
T104 |
0 |
4 |
0 |
0 |
ErrorStAllEscAsserted_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
4533 |
0 |
0 |
T5 |
137172 |
1325 |
0 |
0 |
T6 |
94440 |
609 |
0 |
0 |
T7 |
244300 |
0 |
0 |
0 |
T9 |
0 |
663 |
0 |
0 |
T11 |
198228 |
0 |
0 |
0 |
T14 |
18396 |
0 |
0 |
0 |
T15 |
132956 |
0 |
0 |
0 |
T16 |
12288 |
0 |
0 |
0 |
T17 |
191152 |
0 |
0 |
0 |
T26 |
139124 |
0 |
0 |
0 |
T27 |
126036 |
0 |
0 |
0 |
T46 |
0 |
636 |
0 |
0 |
T47 |
0 |
1300 |
0 |
0 |
ErrorStIsTerminal_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
3693 |
0 |
0 |
T5 |
137172 |
1085 |
0 |
0 |
T6 |
94440 |
489 |
0 |
0 |
T7 |
244300 |
0 |
0 |
0 |
T9 |
0 |
543 |
0 |
0 |
T11 |
198228 |
0 |
0 |
0 |
T14 |
18396 |
0 |
0 |
0 |
T15 |
132956 |
0 |
0 |
0 |
T16 |
12288 |
0 |
0 |
0 |
T17 |
191152 |
0 |
0 |
0 |
T26 |
139124 |
0 |
0 |
0 |
T27 |
126036 |
0 |
0 |
0 |
T46 |
0 |
516 |
0 |
0 |
T47 |
0 |
1060 |
0 |
0 |
EscStateOut_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
2147483647 |
0 |
0 |
T1 |
13864 |
13500 |
0 |
0 |
T2 |
109412 |
109052 |
0 |
0 |
T3 |
165840 |
165592 |
0 |
0 |
T4 |
111700 |
111156 |
0 |
0 |
T5 |
380 |
0 |
0 |
0 |
T10 |
161132 |
160820 |
0 |
0 |
T12 |
236948 |
236656 |
0 |
0 |
T13 |
304868 |
304488 |
0 |
0 |
T14 |
18396 |
18096 |
0 |
0 |
T15 |
0 |
132568 |
0 |
0 |
T17 |
191152 |
190856 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
2147483647 |
0 |
0 |
T1 |
13864 |
13500 |
0 |
0 |
T2 |
109412 |
109052 |
0 |
0 |
T3 |
165840 |
165592 |
0 |
0 |
T4 |
111700 |
111156 |
0 |
0 |
T5 |
137172 |
33628 |
0 |
0 |
T10 |
161132 |
160820 |
0 |
0 |
T12 |
236948 |
236656 |
0 |
0 |
T13 |
304868 |
304488 |
0 |
0 |
T14 |
18396 |
18096 |
0 |
0 |
T17 |
191152 |
190856 |
0 |
0 |
Line Coverage for Instance : tb.dut.gen_classes[1].u_esc_timer
| Line No. | Total | Covered | Percent |
TOTAL | | 101 | 101 | 100.00 |
CONT_ASSIGN | 85 | 1 | 1 | 100.00 |
ALWAYS | 134 | 89 | 89 | 100.00 |
CONT_ASSIGN | 292 | 1 | 1 | 100.00 |
CONT_ASSIGN | 292 | 1 | 1 | 100.00 |
CONT_ASSIGN | 292 | 1 | 1 | 100.00 |
CONT_ASSIGN | 292 | 1 | 1 | 100.00 |
CONT_ASSIGN | 295 | 1 | 1 | 100.00 |
CONT_ASSIGN | 295 | 1 | 1 | 100.00 |
CONT_ASSIGN | 295 | 1 | 1 | 100.00 |
CONT_ASSIGN | 295 | 1 | 1 | 100.00 |
ALWAYS | 305 | 3 | 3 | 100.00 |
84 logic [EscCntDw-1:0] thresh;
85 1/1 assign cnt_ge = (esc_cnt_o >= thresh);
Tests: T1 T2 T3
86
87 //////////////
88 // Main FSM //
89 //////////////
90
91 logic [N_PHASES-1:0] phase_oh;
92
93 // SEC_CM: ESC_TIMER.FSM.SPARSE
94 // Encoding generated with:
95 // $ ./util/design/sparse-fsm-encode.py -d 5 -m 8 -n 10 \
96 // -s 784905746 --language=sv
97 //
98 // Hamming distance histogram:
99 //
100 // 0: --
101 // 1: --
102 // 2: --
103 // 3: --
104 // 4: --
105 // 5: |||||||||||||||||||| (46.43%)
106 // 6: |||||||||||||||||||| (46.43%)
107 // 7: ||| (7.14%)
108 // 8: --
109 // 9: --
110 // 10: --
111 //
112 // Minimum Hamming distance: 5
113 // Maximum Hamming distance: 7
114 // Minimum Hamming weight: 3
115 // Maximum Hamming weight: 9
116 //
117 localparam int StateWidth = 10;
118 typedef enum logic [StateWidth-1:0] {
119 IdleSt = 10'b1011011010,
120 TimeoutSt = 10'b0000100110,
121 Phase0St = 10'b1110000101,
122 Phase1St = 10'b0101010100,
123 Phase2St = 10'b0000011001,
124 Phase3St = 10'b1001100001,
125 TerminalSt = 10'b1101111111,
126 FsmErrorSt = 10'b0111101000
127 } state_e;
128
129 logic fsm_error;
130 state_e state_d, state_q;
131
132 always_comb begin : p_fsm
133 // default
134 1/1 state_d = state_q;
Tests: T1 T2 T3
135 1/1 esc_state_o = Idle;
Tests: T1 T2 T3
136 1/1 cnt_en = 1'b0;
Tests: T1 T2 T3
137 1/1 cnt_clr = 1'b0;
Tests: T1 T2 T3
138 1/1 esc_trig_o = 1'b0;
Tests: T1 T2 T3
139 1/1 phase_oh = '0;
Tests: T1 T2 T3
140 1/1 thresh = timeout_cyc_i;
Tests: T1 T2 T3
141 1/1 fsm_error = 1'b0;
Tests: T1 T2 T3
142 1/1 latch_crashdump_o = 1'b0;
Tests: T1 T2 T3
143
144 1/1 unique case (state_q)
Tests: T1 T2 T3
145 // wait for an escalation trigger or an alert trigger
146 // the latter will trigger an interrupt timeout
147 IdleSt: begin
148 1/1 cnt_clr = 1'b1;
Tests: T1 T2 T3
149 1/1 esc_state_o = Idle;
Tests: T1 T2 T3
150
151 1/1 if (accu_trig_i && en_i && !clr_i) begin
Tests: T1 T2 T3
152 1/1 state_d = Phase0St;
Tests: T2 T4 T14
153 1/1 cnt_en = 1'b1;
Tests: T2 T4 T14
154 1/1 esc_trig_o = 1'b1;
Tests: T2 T4 T14
155 // the counter is zero in this state. so if the
156 // timeout count is zero (==disabled), cnt_ge will be true.
157 1/1 end else if (timeout_en_i && !cnt_ge && en_i) begin
Tests: T1 T2 T3
158 1/1 cnt_en = 1'b1;
Tests: T13 T15 T26
159 1/1 state_d = TimeoutSt;
Tests: T13 T15 T26
160 end
MISSING_ELSE
161 end
162 // we are in interrupt timeout state
163 // in case an escalation comes in, we immediately have to
164 // switch over to the first escalation phase.
165 // in case the interrupt timeout hits it's cycle count, we
166 // also enter escalation phase0.
167 // ongoing timeouts can always be cleared.
168 TimeoutSt: begin
169 1/1 esc_state_o = Timeout;
Tests: T13 T15 T26
170
171 1/1 if ((accu_trig_i && en_i && !clr_i) || (cnt_ge && timeout_en_i)) begin
Tests: T13 T15 T26
172 1/1 state_d = Phase0St;
Tests: T13 T26 T89
173 1/1 cnt_en = 1'b1;
Tests: T13 T26 T89
174 1/1 cnt_clr = 1'b1;
Tests: T13 T26 T89
175 1/1 esc_trig_o = 1'b1;
Tests: T13 T26 T89
176 // the timeout enable is connected to the irq state
177 // if that is cleared, stop the timeout counter
178 1/1 end else if (timeout_en_i) begin
Tests: T13 T15 T26
179 1/1 cnt_en = 1'b1;
Tests: T13 T15 T26
180 end else begin
181 1/1 state_d = IdleSt;
Tests: T15 T27 T88
182 1/1 cnt_clr = 1'b1;
Tests: T15 T27 T88
183 end
184 end
185 // note: autolocking the clear signal is done in the regfile
186 Phase0St: begin
187 1/1 cnt_en = 1'b1;
Tests: T2 T13 T14
188 1/1 phase_oh[0] = 1'b1;
Tests: T2 T13 T14
189 1/1 thresh = phase_cyc_i[0];
Tests: T2 T13 T14
190 1/1 esc_state_o = Phase0;
Tests: T2 T13 T14
191 1/1 latch_crashdump_o = (crashdump_phase_i == 2'b00);
Tests: T2 T13 T14
192
193 1/1 if (clr_i) begin
Tests: T2 T13 T14
194 1/1 state_d = IdleSt;
Tests: T62 T105 T106
195 1/1 cnt_clr = 1'b1;
Tests: T62 T105 T106
196 1/1 cnt_en = 1'b0;
Tests: T62 T105 T106
197 1/1 end else if (cnt_ge) begin
Tests: T2 T13 T14
198 1/1 state_d = Phase1St;
Tests: T2 T13 T14
199 1/1 cnt_clr = 1'b1;
Tests: T2 T13 T14
200 1/1 cnt_en = 1'b1;
Tests: T2 T13 T14
201 end
MISSING_ELSE
202 end
203 Phase1St: begin
204 1/1 cnt_en = 1'b1;
Tests: T2 T13 T14
205 1/1 phase_oh[1] = 1'b1;
Tests: T2 T13 T14
206 1/1 thresh = phase_cyc_i[1];
Tests: T2 T13 T14
207 1/1 esc_state_o = Phase1;
Tests: T2 T13 T14
208 1/1 latch_crashdump_o = (crashdump_phase_i == 2'b01);
Tests: T2 T13 T14
209
210 1/1 if (clr_i) begin
Tests: T2 T13 T14
211 1/1 state_d = IdleSt;
Tests: T107 T108 T109
212 1/1 cnt_clr = 1'b1;
Tests: T107 T108 T109
213 1/1 cnt_en = 1'b0;
Tests: T107 T108 T109
214 1/1 end else if (cnt_ge) begin
Tests: T2 T13 T14
215 1/1 state_d = Phase2St;
Tests: T2 T13 T14
216 1/1 cnt_clr = 1'b1;
Tests: T2 T13 T14
217 1/1 cnt_en = 1'b1;
Tests: T2 T13 T14
218 end
MISSING_ELSE
219 end
220 Phase2St: begin
221 1/1 cnt_en = 1'b1;
Tests: T2 T13 T14
222 1/1 phase_oh[2] = 1'b1;
Tests: T2 T13 T14
223 1/1 thresh = phase_cyc_i[2];
Tests: T2 T13 T14
224 1/1 esc_state_o = Phase2;
Tests: T2 T13 T14
225 1/1 latch_crashdump_o = (crashdump_phase_i == 2'b10);
Tests: T2 T13 T14
226
227
228 1/1 if (clr_i) begin
Tests: T2 T13 T14
229 1/1 state_d = IdleSt;
Tests: T110 T69 T111
230 1/1 cnt_clr = 1'b1;
Tests: T110 T69 T111
231 1/1 cnt_en = 1'b0;
Tests: T110 T69 T111
232 1/1 end else if (cnt_ge) begin
Tests: T2 T13 T14
233 1/1 state_d = Phase3St;
Tests: T2 T13 T14
234 1/1 cnt_clr = 1'b1;
Tests: T2 T13 T14
235 end
MISSING_ELSE
236 end
237 Phase3St: begin
238 1/1 cnt_en = 1'b1;
Tests: T2 T13 T14
239 1/1 phase_oh[3] = 1'b1;
Tests: T2 T13 T14
240 1/1 thresh = phase_cyc_i[3];
Tests: T2 T13 T14
241 1/1 esc_state_o = Phase3;
Tests: T2 T13 T14
242 1/1 latch_crashdump_o = (crashdump_phase_i == 2'b11);
Tests: T2 T13 T14
243
244 1/1 if (clr_i) begin
Tests: T2 T13 T14
245 1/1 state_d = IdleSt;
Tests: T58 T68 T111
246 1/1 cnt_clr = 1'b1;
Tests: T58 T68 T111
247 1/1 cnt_en = 1'b0;
Tests: T58 T68 T111
248 1/1 end else if (cnt_ge) begin
Tests: T2 T13 T14
249 1/1 state_d = TerminalSt;
Tests: T2 T13 T14
250 1/1 cnt_clr = 1'b1;
Tests: T2 T13 T14
251 1/1 cnt_en = 1'b0;
Tests: T2 T13 T14
252 end
MISSING_ELSE
253 end
254 // final, terminal state after escalation.
255 // if clr is locked down, only a system reset
256 // will get us out of this state
257 TerminalSt: begin
258 1/1 cnt_clr = 1'b1;
Tests: T2 T13 T14
259 1/1 esc_state_o = Terminal;
Tests: T2 T13 T14
260 1/1 if (clr_i) begin
Tests: T2 T13 T14
261 1/1 state_d = IdleSt;
Tests: T26 T54 T55
262 end
MISSING_ELSE
263 end
264 // error state, only reached if the FSM has been
265 // glitched. in this state, we trigger all escalation
266 // actions at once.
267 FsmErrorSt: begin
268 1/1 esc_state_o = FsmError;
Tests: T5 T6 T9
269 1/1 fsm_error = 1'b1;
Tests: T5 T6 T9
270 end
271 // SEC_CM: ESC_TIMER.FSM.LOCAL_ESC
272 // catch glitches.
273 default: begin
274 state_d = FsmErrorSt;
275 esc_state_o = FsmError;
276 fsm_error = 1'b1;
277 end
278 endcase
279
280 // SEC_CM: ESC_TIMER.FSM.LOCAL_ESC
281 // if any of the duplicate counter pairs has an inconsistent state
282 // we move into the terminal FSM error state.
283 1/1 if (accu_fail_i || cnt_error) begin
Tests: T1 T2 T3
284 1/1 state_d = FsmErrorSt;
Tests: T5 T6 T9
285 1/1 fsm_error = 1'b1;
Tests: T5 T6 T9
286 end
MISSING_ELSE
287 end
288
289 logic [N_ESC_SEV-1:0][N_PHASES-1:0] esc_map_oh;
290 for (genvar k = 0; k < N_ESC_SEV; k++) begin : gen_phase_map
291 // generate configuration mask for escalation enable signals
292 4/4 assign esc_map_oh[k] = N_ESC_SEV'(esc_en_i[k]) << esc_map_i[k];
Tests: T1 T2 T3 | T1 T2 T3 | T1 T2 T3 | T1 T2 T3
293 // mask reduce current phase state vector
294 // SEC_CM: ESC_TIMER.FSM.GLOBAL_ESC
295 4/4 assign esc_sig_req_o[k] = |(esc_map_oh[k] & phase_oh) | fsm_error;
Tests: T1 T2 T3 | T1 T2 T3 | T1 T2 T3 | T1 T2 T3
296 end
297
298 ///////////////////
299 // FSM Registers //
300 ///////////////////
301
302 // The alert handler behaves differently than other comportable IP. I.e., instead of sending out
303 // an alert signal, this condition is handled internally in the alert handler. The
304 // EnableAlertTriggerSVA parameter is therefore set to 0.
305 3/3 `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, IdleSt, clk_i, rst_ni, 0)
Tests: T1 T2 T3 | T1 T2 T3 | T1 T2 T3
PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, IdleSt, clk_i, rst_ni, 0):
305.1 `ifdef SIMULATION
305.2 prim_sparse_fsm_flop #(
305.3 .StateEnumT(state_e),
305.4 .Width($bits(state_e)),
305.5 .ResetValue($bits(state_e)'(IdleSt)),
305.6 .EnableAlertTriggerSVA(0),
305.7 .CustomForceName("state_q")
305.8 ) u_state_regs (
305.9 .clk_i ( clk_i ),
305.10 .rst_ni ( rst_ni ),
305.11 .state_i ( state_d ),
305.12 .state_o ( )
305.13 );
305.14 always_ff @(posedge clk_i or negedge rst_ni) begin
305.15 1/1 if (!rst_ni) begin
Tests: T1 T2 T3
305.16 1/1 state_q <= IdleSt;
Tests: T1 T2 T3
305.17 end else begin
305.18 1/1 state_q <= state_d;
Tests: T1 T2 T3
305.19 end
305.20 end
305.21 u_state_regs_A: assert property (@(posedge clk_i) disable iff ((!rst_ni) !== '0) (state_q === u_state_regs.state_o))
305.22 else begin
305.23 `ifdef UVM
305.24 uvm_pkg::uvm_report_error("ASSERT FAILED", "u_state_regs_A", uvm_pkg::UVM_NONE,
305.25 "../src/lowrisc_ip_alert_handler_component_0.1/rtl/alert_handler_esc_timer.sv", 305, "", 1);
305.26 `else
305.27 $error("%0t: (%0s:%0d) [%m] [ASSERT FAILED] %0s", $time, `__FILE__, `__LINE__,
305.28 `PRIM_STRINGIFY(u_state_regs_A));
305.29 `endif
305.30 end
305.31 `else
305.32 prim_sparse_fsm_flop #(
305.33 .StateEnumT(state_e),
305.34 .Width($bits(state_e)),
305.35 .ResetValue($bits(state_e)'(IdleSt)),
305.36 .EnableAlertTriggerSVA(0)
305.37 ) u_state_regs (
305.38 .clk_i ( clk_i ),
305.39 .rst_ni ( rst_ni ),
305.40 .state_i ( state_d ),
305.41 .state_o ( state_q )
305.42 );
305.43 `endif
Cond Coverage for Instance : tb.dut.gen_classes[1].u_esc_timer
| Total | Covered | Percent |
Conditions | 45 | 42 | 93.33 |
Logical | 45 | 42 | 93.33 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 66
EXPRESSION (cnt_clr && ((!cnt_en)))
---1--- -----2-----
-1- | -2- | Status | Tests |
0 | 1 | Covered | T5,T6,T9 |
1 | 0 | Covered | T2,T4,T13 |
1 | 1 | Covered | T1,T2,T3 |
LINE 66
EXPRESSION (cnt_clr && cnt_en)
---1--- ---2--
-1- | -2- | Status | Tests |
0 | 1 | Covered | T2,T13,T15 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T2,T4,T13 |
LINE 151
EXPRESSION (accu_trig_i && en_i && ((!clr_i)))
-----1----- --2- -----3----
-1- | -2- | -3- | Status | Tests | Exclude Annotation |
0 | 1 | 1 | Covered | T1,T2,T4 |
1 | 0 | 1 | Excluded | |
VC_COV_UNR |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T2,T4,T14 |
LINE 157
EXPRESSION (timeout_en_i && ((!cnt_ge)) && en_i)
------1----- -----2----- --3-
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T2,T13,T15 |
1 | 0 | 1 | Covered | T2,T14,T15 |
1 | 1 | 0 | Covered | T2,T13,T11 |
1 | 1 | 1 | Covered | T13,T15,T26 |
LINE 171
EXPRESSION ((accu_trig_i && en_i && ((!clr_i))) || (cnt_ge && timeout_en_i))
-----------------1----------------- ------------2-----------
-1- | -2- | Status | Tests |
0 | 0 | Covered | T13,T15,T26 |
0 | 1 | Covered | T13,T26,T89 |
1 | 0 | Covered | T40,T60,T64 |
LINE 171
SUB-EXPRESSION (accu_trig_i && en_i && ((!clr_i)))
-----1----- --2- -----3----
-1- | -2- | -3- | Status | Tests | Exclude Annotation |
0 | 1 | 1 | Covered | T13,T15,T26 |
1 | 0 | 1 | Excluded | |
VC_COV_UNR |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T40,T60,T64 |
LINE 171
SUB-EXPRESSION (cnt_ge && timeout_en_i)
---1-- ------2-----
-1- | -2- | Status | Tests |
0 | 1 | Covered | T13,T15,T26 |
1 | 0 | Not Covered | |
1 | 1 | Covered | T13,T26,T89 |
LINE 191
EXPRESSION (crashdump_phase_i == 2'b0)
-------------1-------------
-1- | Status | Tests |
0 | Covered | T2,T13,T15 |
1 | Covered | T14,T89,T40 |
LINE 208
EXPRESSION (crashdump_phase_i == 2'b1)
-------------1-------------
-1- | Status | Tests |
0 | Covered | T2,T14,T15 |
1 | Covered | T13,T26,T49 |
LINE 225
EXPRESSION (crashdump_phase_i == 2'b10)
--------------1-------------
-1- | Status | Tests |
0 | Covered | T13,T14,T26 |
1 | Covered | T2,T15,T26 |
LINE 242
EXPRESSION (crashdump_phase_i == 2'b11)
--------------1-------------
-1- | Status | Tests |
0 | Covered | T2,T13,T14 |
1 | Covered | T32,T55,T84 |
LINE 283
EXPRESSION (accu_fail_i || cnt_error)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T5,T6,T9 |
1 | 0 | Covered | T5,T6,T9 |
LINE 295
EXPRESSION (((|(esc_map_oh[0] & phase_oh))) | fsm_error)
---------------1--------------- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T5,T6,T9 |
1 | 0 | Covered | T14,T15,T49 |
LINE 295
EXPRESSION (((|(esc_map_oh[1] & phase_oh))) | fsm_error)
---------------1--------------- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T5,T6,T9 |
1 | 0 | Covered | T2,T14,T15 |
LINE 295
EXPRESSION (((|(esc_map_oh[2] & phase_oh))) | fsm_error)
---------------1--------------- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T5,T6,T9 |
1 | 0 | Covered | T13,T14,T49 |
LINE 295
EXPRESSION (((|(esc_map_oh[3] & phase_oh))) | fsm_error)
---------------1--------------- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T5,T6,T9 |
1 | 0 | Covered | T13,T14,T26 |
FSM Coverage for Instance : tb.dut.gen_classes[1].u_esc_timer
Summary for FSM :: state_q
| Total | Covered | Percent | |
States |
8 |
8 |
100.00 |
(Not included in score) |
Transitions |
14 |
14 |
100.00 |
|
Sequences |
0 |
0 |
|
|
State, Transition and Sequence Details for FSM :: state_q
states | Line No. | Covered | Tests |
FsmErrorSt |
284 |
Covered |
T5,T6,T9 |
IdleSt |
181 |
Covered |
T1,T2,T3 |
Phase0St |
152 |
Covered |
T2,T13,T14 |
Phase1St |
198 |
Covered |
T2,T13,T14 |
Phase2St |
215 |
Covered |
T2,T13,T14 |
Phase3St |
233 |
Covered |
T2,T13,T14 |
TerminalSt |
249 |
Covered |
T2,T13,T14 |
TimeoutSt |
159 |
Covered |
T13,T15,T26 |
transitions | Line No. | Covered | Tests | Exclude Annotation |
IdleSt->FsmErrorSt |
284 |
Covered |
T5,T6,T9 |
|
IdleSt->Phase0St |
152 |
Covered |
T2,T14,T15 |
|
IdleSt->TimeoutSt |
159 |
Covered |
T13,T15,T26 |
|
Phase0St->FsmErrorSt |
284 |
Excluded |
|
[LOW_RISK]: Forcing from any state other than IdleSt to FSMErrorSt is covered in FPV. |
Phase0St->IdleSt |
194 |
Covered |
T62,T105,T112 |
|
Phase0St->Phase1St |
198 |
Covered |
T2,T13,T14 |
|
Phase1St->FsmErrorSt |
284 |
Excluded |
|
[LOW_RISK]: Forcing from any state other than IdleSt to FSMErrorSt is covered in FPV. |
Phase1St->IdleSt |
211 |
Covered |
T44,T107,T108 |
|
Phase1St->Phase2St |
215 |
Covered |
T2,T13,T14 |
|
Phase2St->FsmErrorSt |
284 |
Excluded |
|
[LOW_RISK]: Forcing from any state other than IdleSt to FSMErrorSt is covered in FPV. |
Phase2St->IdleSt |
229 |
Covered |
T110,T69,T111 |
|
Phase2St->Phase3St |
233 |
Covered |
T2,T13,T14 |
|
Phase3St->FsmErrorSt |
284 |
Excluded |
|
[LOW_RISK]: Forcing from any state other than IdleSt to FSMErrorSt is covered in FPV. |
Phase3St->IdleSt |
245 |
Covered |
T58,T68,T111 |
|
Phase3St->TerminalSt |
249 |
Covered |
T2,T13,T14 |
|
TerminalSt->FsmErrorSt |
284 |
Excluded |
|
[LOW_RISK]: Forcing from any state other than IdleSt to FSMErrorSt is covered in FPV. |
TerminalSt->IdleSt |
261 |
Covered |
T26,T54,T55 |
|
TimeoutSt->FsmErrorSt |
284 |
Excluded |
|
[LOW_RISK]: Forcing from any state other than IdleSt to FSMErrorSt is covered in FPV. |
TimeoutSt->IdleSt |
181 |
Covered |
T15,T27,T88 |
|
TimeoutSt->Phase0St |
172 |
Covered |
T13,T26,T89 |
|
Branch Coverage for Instance : tb.dut.gen_classes[1].u_esc_timer
| Line No. | Total | Covered | Percent |
Branches |
|
26 |
26 |
100.00 |
CASE |
144 |
22 |
22 |
100.00 |
IF |
283 |
2 |
2 |
100.00 |
IF |
305 |
2 |
2 |
100.00 |
144 unique case (state_q)
-1-
145 // wait for an escalation trigger or an alert trigger
146 // the latter will trigger an interrupt timeout
147 IdleSt: begin
148 cnt_clr = 1'b1;
149 esc_state_o = Idle;
150
151 if (accu_trig_i && en_i && !clr_i) begin
-2-
152 state_d = Phase0St;
==>
153 cnt_en = 1'b1;
154 esc_trig_o = 1'b1;
155 // the counter is zero in this state. so if the
156 // timeout count is zero (==disabled), cnt_ge will be true.
157 end else if (timeout_en_i && !cnt_ge && en_i) begin
-3-
158 cnt_en = 1'b1;
==>
159 state_d = TimeoutSt;
160 end
MISSING_ELSE
==>
161 end
162 // we are in interrupt timeout state
163 // in case an escalation comes in, we immediately have to
164 // switch over to the first escalation phase.
165 // in case the interrupt timeout hits it's cycle count, we
166 // also enter escalation phase0.
167 // ongoing timeouts can always be cleared.
168 TimeoutSt: begin
169 esc_state_o = Timeout;
170
171 if ((accu_trig_i && en_i && !clr_i) || (cnt_ge && timeout_en_i)) begin
-4-
172 state_d = Phase0St;
==>
173 cnt_en = 1'b1;
174 cnt_clr = 1'b1;
175 esc_trig_o = 1'b1;
176 // the timeout enable is connected to the irq state
177 // if that is cleared, stop the timeout counter
178 end else if (timeout_en_i) begin
-5-
179 cnt_en = 1'b1;
==>
180 end else begin
181 state_d = IdleSt;
==>
182 cnt_clr = 1'b1;
183 end
184 end
185 // note: autolocking the clear signal is done in the regfile
186 Phase0St: begin
187 cnt_en = 1'b1;
188 phase_oh[0] = 1'b1;
189 thresh = phase_cyc_i[0];
190 esc_state_o = Phase0;
191 latch_crashdump_o = (crashdump_phase_i == 2'b00);
192
193 if (clr_i) begin
-6-
194 state_d = IdleSt;
==>
195 cnt_clr = 1'b1;
196 cnt_en = 1'b0;
197 end else if (cnt_ge) begin
-7-
198 state_d = Phase1St;
==>
199 cnt_clr = 1'b1;
200 cnt_en = 1'b1;
201 end
MISSING_ELSE
==>
202 end
203 Phase1St: begin
204 cnt_en = 1'b1;
205 phase_oh[1] = 1'b1;
206 thresh = phase_cyc_i[1];
207 esc_state_o = Phase1;
208 latch_crashdump_o = (crashdump_phase_i == 2'b01);
209
210 if (clr_i) begin
-8-
211 state_d = IdleSt;
==>
212 cnt_clr = 1'b1;
213 cnt_en = 1'b0;
214 end else if (cnt_ge) begin
-9-
215 state_d = Phase2St;
==>
216 cnt_clr = 1'b1;
217 cnt_en = 1'b1;
218 end
MISSING_ELSE
==>
219 end
220 Phase2St: begin
221 cnt_en = 1'b1;
222 phase_oh[2] = 1'b1;
223 thresh = phase_cyc_i[2];
224 esc_state_o = Phase2;
225 latch_crashdump_o = (crashdump_phase_i == 2'b10);
226
227
228 if (clr_i) begin
-10-
229 state_d = IdleSt;
==>
230 cnt_clr = 1'b1;
231 cnt_en = 1'b0;
232 end else if (cnt_ge) begin
-11-
233 state_d = Phase3St;
==>
234 cnt_clr = 1'b1;
235 end
MISSING_ELSE
==>
236 end
237 Phase3St: begin
238 cnt_en = 1'b1;
239 phase_oh[3] = 1'b1;
240 thresh = phase_cyc_i[3];
241 esc_state_o = Phase3;
242 latch_crashdump_o = (crashdump_phase_i == 2'b11);
243
244 if (clr_i) begin
-12-
245 state_d = IdleSt;
==>
246 cnt_clr = 1'b1;
247 cnt_en = 1'b0;
248 end else if (cnt_ge) begin
-13-
249 state_d = TerminalSt;
==>
250 cnt_clr = 1'b1;
251 cnt_en = 1'b0;
252 end
MISSING_ELSE
==>
253 end
254 // final, terminal state after escalation.
255 // if clr is locked down, only a system reset
256 // will get us out of this state
257 TerminalSt: begin
258 cnt_clr = 1'b1;
259 esc_state_o = Terminal;
260 if (clr_i) begin
-14-
261 state_d = IdleSt;
==>
262 end
MISSING_ELSE
==>
263 end
264 // error state, only reached if the FSM has been
265 // glitched. in this state, we trigger all escalation
266 // actions at once.
267 FsmErrorSt: begin
268 esc_state_o = FsmError;
==>
269 fsm_error = 1'b1;
270 end
271 // SEC_CM: ESC_TIMER.FSM.LOCAL_ESC
272 // catch glitches.
273 default: begin
274 state_d = FsmErrorSt;
==>
Branches:
-1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | Status | Tests |
IdleSt |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T2,T4,T14 |
IdleSt |
0 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T13,T15,T26 |
IdleSt |
0 |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
TimeoutSt |
- |
- |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T13,T26,T89 |
TimeoutSt |
- |
- |
0 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T13,T15,T26 |
TimeoutSt |
- |
- |
0 |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T15,T27,T88 |
Phase0St |
- |
- |
- |
- |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T62,T105,T106 |
Phase0St |
- |
- |
- |
- |
0 |
1 |
- |
- |
- |
- |
- |
- |
- |
Covered |
T2,T13,T14 |
Phase0St |
- |
- |
- |
- |
0 |
0 |
- |
- |
- |
- |
- |
- |
- |
Covered |
T2,T13,T15 |
Phase1St |
- |
- |
- |
- |
- |
- |
1 |
- |
- |
- |
- |
- |
- |
Covered |
T107,T108,T109 |
Phase1St |
- |
- |
- |
- |
- |
- |
0 |
1 |
- |
- |
- |
- |
- |
Covered |
T2,T13,T14 |
Phase1St |
- |
- |
- |
- |
- |
- |
0 |
0 |
- |
- |
- |
- |
- |
Covered |
T2,T13,T15 |
Phase2St |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
- |
- |
- |
- |
Covered |
T110,T69,T111 |
Phase2St |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
1 |
- |
- |
- |
Covered |
T2,T13,T14 |
Phase2St |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
0 |
- |
- |
- |
Covered |
T2,T13,T15 |
Phase3St |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
- |
- |
Covered |
T58,T68,T111 |
Phase3St |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
1 |
- |
Covered |
T2,T13,T14 |
Phase3St |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
0 |
- |
Covered |
T2,T13,T15 |
TerminalSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
Covered |
T26,T54,T55 |
TerminalSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
Covered |
T2,T13,T14 |
FsmErrorSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T5,T6,T9 |
default |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T5,T6,T9 |
283 if (accu_fail_i || cnt_error) begin
-1-
284 state_d = FsmErrorSt;
==>
285 fsm_error = 1'b1;
286 end
MISSING_ELSE
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T5,T6,T9 |
0 |
Covered |
T1,T2,T3 |
305 `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, IdleSt, clk_i, rst_ni, 0)
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.gen_classes[1].u_esc_timer
Assertion Details
AccuFailToFsmError_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
148 |
0 |
0 |
T5 |
34293 |
35 |
0 |
0 |
T6 |
23610 |
12 |
0 |
0 |
T7 |
61075 |
0 |
0 |
0 |
T9 |
0 |
30 |
0 |
0 |
T11 |
49557 |
0 |
0 |
0 |
T14 |
4599 |
0 |
0 |
0 |
T15 |
33239 |
0 |
0 |
0 |
T16 |
3072 |
0 |
0 |
0 |
T17 |
47788 |
0 |
0 |
0 |
T26 |
34781 |
0 |
0 |
0 |
T27 |
31509 |
0 |
0 |
0 |
T46 |
0 |
17 |
0 |
0 |
T47 |
0 |
54 |
0 |
0 |
CheckAccumTrig0_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
475 |
0 |
0 |
T2 |
27353 |
1 |
0 |
0 |
T3 |
41460 |
0 |
0 |
0 |
T4 |
27925 |
0 |
0 |
0 |
T5 |
34293 |
0 |
0 |
0 |
T10 |
40283 |
0 |
0 |
0 |
T12 |
59237 |
0 |
0 |
0 |
T13 |
76217 |
0 |
0 |
0 |
T14 |
4599 |
1 |
0 |
0 |
T15 |
33239 |
1 |
0 |
0 |
T17 |
47788 |
0 |
0 |
0 |
T26 |
0 |
1 |
0 |
0 |
T32 |
0 |
1 |
0 |
0 |
T49 |
0 |
1 |
0 |
0 |
T52 |
0 |
1 |
0 |
0 |
T53 |
0 |
1 |
0 |
0 |
T54 |
0 |
1 |
0 |
0 |
T55 |
0 |
2 |
0 |
0 |
CheckAccumTrig1_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
24 |
0 |
0 |
T34 |
48674 |
0 |
0 |
0 |
T40 |
72117 |
1 |
0 |
0 |
T41 |
46004 |
0 |
0 |
0 |
T47 |
41589 |
0 |
0 |
0 |
T60 |
0 |
1 |
0 |
0 |
T64 |
0 |
1 |
0 |
0 |
T66 |
0 |
1 |
0 |
0 |
T67 |
0 |
1 |
0 |
0 |
T68 |
0 |
1 |
0 |
0 |
T69 |
0 |
2 |
0 |
0 |
T70 |
0 |
2 |
0 |
0 |
T71 |
0 |
1 |
0 |
0 |
T72 |
0 |
1 |
0 |
0 |
T73 |
11559 |
0 |
0 |
0 |
T74 |
19103 |
0 |
0 |
0 |
T75 |
41354 |
0 |
0 |
0 |
T76 |
36868 |
0 |
0 |
0 |
T77 |
2651 |
0 |
0 |
0 |
T78 |
27582 |
0 |
0 |
0 |
CheckClr_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
223 |
0 |
0 |
T7 |
61075 |
0 |
0 |
0 |
T8 |
47065 |
0 |
0 |
0 |
T9 |
24025 |
0 |
0 |
0 |
T16 |
3072 |
0 |
0 |
0 |
T26 |
34781 |
1 |
0 |
0 |
T27 |
31509 |
0 |
0 |
0 |
T31 |
56799 |
0 |
0 |
0 |
T35 |
0 |
1 |
0 |
0 |
T43 |
78983 |
0 |
0 |
0 |
T44 |
0 |
2 |
0 |
0 |
T48 |
8812 |
0 |
0 |
0 |
T49 |
17911 |
0 |
0 |
0 |
T54 |
0 |
1 |
0 |
0 |
T55 |
0 |
1 |
0 |
0 |
T83 |
0 |
1 |
0 |
0 |
T84 |
0 |
1 |
0 |
0 |
T85 |
0 |
1 |
0 |
0 |
T86 |
0 |
1 |
0 |
0 |
T87 |
0 |
1 |
0 |
0 |
CheckEn_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550428711 |
228126846 |
0 |
0 |
T1 |
3466 |
2804 |
0 |
0 |
T2 |
27353 |
5477 |
0 |
0 |
T3 |
41460 |
41397 |
0 |
0 |
T4 |
27925 |
2267 |
0 |
0 |
T5 |
343 |
247 |
0 |
0 |
T10 |
40283 |
40204 |
0 |
0 |
T12 |
59237 |
59163 |
0 |
0 |
T13 |
76217 |
14533 |
0 |
0 |
T14 |
4599 |
3230 |
0 |
0 |
T17 |
47788 |
47713 |
0 |
0 |
CheckPhase0_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
547 |
0 |
0 |
T2 |
27353 |
1 |
0 |
0 |
T3 |
41460 |
0 |
0 |
0 |
T4 |
27925 |
0 |
0 |
0 |
T5 |
34293 |
0 |
0 |
0 |
T10 |
40283 |
0 |
0 |
0 |
T12 |
59237 |
0 |
0 |
0 |
T13 |
76217 |
1 |
0 |
0 |
T14 |
4599 |
1 |
0 |
0 |
T15 |
33239 |
1 |
0 |
0 |
T17 |
47788 |
0 |
0 |
0 |
T26 |
0 |
2 |
0 |
0 |
T32 |
0 |
1 |
0 |
0 |
T40 |
0 |
1 |
0 |
0 |
T49 |
0 |
1 |
0 |
0 |
T52 |
0 |
1 |
0 |
0 |
T89 |
0 |
1 |
0 |
0 |
CheckPhase1_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
537 |
0 |
0 |
T2 |
27353 |
1 |
0 |
0 |
T3 |
41460 |
0 |
0 |
0 |
T4 |
27925 |
0 |
0 |
0 |
T5 |
34293 |
0 |
0 |
0 |
T10 |
40283 |
0 |
0 |
0 |
T12 |
59237 |
0 |
0 |
0 |
T13 |
76217 |
1 |
0 |
0 |
T14 |
4599 |
1 |
0 |
0 |
T15 |
33239 |
1 |
0 |
0 |
T17 |
47788 |
0 |
0 |
0 |
T26 |
0 |
2 |
0 |
0 |
T32 |
0 |
1 |
0 |
0 |
T40 |
0 |
1 |
0 |
0 |
T49 |
0 |
1 |
0 |
0 |
T52 |
0 |
1 |
0 |
0 |
T89 |
0 |
1 |
0 |
0 |
CheckPhase2_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
528 |
0 |
0 |
T2 |
27353 |
1 |
0 |
0 |
T3 |
41460 |
0 |
0 |
0 |
T4 |
27925 |
0 |
0 |
0 |
T5 |
34293 |
0 |
0 |
0 |
T10 |
40283 |
0 |
0 |
0 |
T12 |
59237 |
0 |
0 |
0 |
T13 |
76217 |
1 |
0 |
0 |
T14 |
4599 |
1 |
0 |
0 |
T15 |
33239 |
1 |
0 |
0 |
T17 |
47788 |
0 |
0 |
0 |
T26 |
0 |
2 |
0 |
0 |
T32 |
0 |
1 |
0 |
0 |
T40 |
0 |
1 |
0 |
0 |
T49 |
0 |
1 |
0 |
0 |
T52 |
0 |
1 |
0 |
0 |
T89 |
0 |
1 |
0 |
0 |
CheckPhase3_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
514 |
0 |
0 |
T2 |
27353 |
1 |
0 |
0 |
T3 |
41460 |
0 |
0 |
0 |
T4 |
27925 |
0 |
0 |
0 |
T5 |
34293 |
0 |
0 |
0 |
T10 |
40283 |
0 |
0 |
0 |
T12 |
59237 |
0 |
0 |
0 |
T13 |
76217 |
1 |
0 |
0 |
T14 |
4599 |
1 |
0 |
0 |
T15 |
33239 |
1 |
0 |
0 |
T17 |
47788 |
0 |
0 |
0 |
T26 |
0 |
2 |
0 |
0 |
T32 |
0 |
1 |
0 |
0 |
T40 |
0 |
1 |
0 |
0 |
T49 |
0 |
1 |
0 |
0 |
T52 |
0 |
1 |
0 |
0 |
T89 |
0 |
1 |
0 |
0 |
CheckTimeout0_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
452 |
0 |
0 |
T5 |
34293 |
0 |
0 |
0 |
T6 |
23610 |
0 |
0 |
0 |
T11 |
49557 |
0 |
0 |
0 |
T13 |
76217 |
1 |
0 |
0 |
T14 |
4599 |
0 |
0 |
0 |
T15 |
33239 |
1 |
0 |
0 |
T16 |
3072 |
0 |
0 |
0 |
T17 |
47788 |
0 |
0 |
0 |
T26 |
34781 |
1 |
0 |
0 |
T27 |
31509 |
1 |
0 |
0 |
T40 |
0 |
1 |
0 |
0 |
T54 |
0 |
1 |
0 |
0 |
T76 |
0 |
1 |
0 |
0 |
T88 |
0 |
1 |
0 |
0 |
T89 |
0 |
1 |
0 |
0 |
T90 |
0 |
2 |
0 |
0 |
CheckTimeoutSt1_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
63875 |
0 |
0 |
T5 |
34293 |
0 |
0 |
0 |
T6 |
23610 |
0 |
0 |
0 |
T11 |
49557 |
0 |
0 |
0 |
T13 |
76217 |
164 |
0 |
0 |
T14 |
4599 |
0 |
0 |
0 |
T15 |
33239 |
42 |
0 |
0 |
T16 |
3072 |
0 |
0 |
0 |
T17 |
47788 |
0 |
0 |
0 |
T26 |
34781 |
317 |
0 |
0 |
T27 |
31509 |
219 |
0 |
0 |
T40 |
0 |
1 |
0 |
0 |
T54 |
0 |
548 |
0 |
0 |
T76 |
0 |
159 |
0 |
0 |
T88 |
0 |
53 |
0 |
0 |
T89 |
0 |
111 |
0 |
0 |
T90 |
0 |
221 |
0 |
0 |
CheckTimeoutSt2_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
369 |
0 |
0 |
T6 |
23610 |
0 |
0 |
0 |
T7 |
61075 |
0 |
0 |
0 |
T11 |
49557 |
0 |
0 |
0 |
T15 |
33239 |
1 |
0 |
0 |
T16 |
3072 |
0 |
0 |
0 |
T26 |
34781 |
0 |
0 |
0 |
T27 |
31509 |
1 |
0 |
0 |
T31 |
56799 |
0 |
0 |
0 |
T33 |
0 |
1 |
0 |
0 |
T43 |
78983 |
0 |
0 |
0 |
T48 |
8812 |
0 |
0 |
0 |
T76 |
0 |
1 |
0 |
0 |
T88 |
0 |
1 |
0 |
0 |
T90 |
0 |
2 |
0 |
0 |
T91 |
0 |
3 |
0 |
0 |
T93 |
0 |
1 |
0 |
0 |
T94 |
0 |
26 |
0 |
0 |
T95 |
0 |
1 |
0 |
0 |
CheckTimeoutStTrig_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
54 |
0 |
0 |
T5 |
34293 |
0 |
0 |
0 |
T6 |
23610 |
0 |
0 |
0 |
T11 |
49557 |
0 |
0 |
0 |
T13 |
76217 |
1 |
0 |
0 |
T14 |
4599 |
0 |
0 |
0 |
T15 |
33239 |
0 |
0 |
0 |
T16 |
3072 |
0 |
0 |
0 |
T17 |
47788 |
0 |
0 |
0 |
T26 |
34781 |
1 |
0 |
0 |
T27 |
31509 |
0 |
0 |
0 |
T33 |
0 |
1 |
0 |
0 |
T54 |
0 |
1 |
0 |
0 |
T83 |
0 |
1 |
0 |
0 |
T89 |
0 |
1 |
0 |
0 |
T95 |
0 |
1 |
0 |
0 |
T101 |
0 |
1 |
0 |
0 |
T102 |
0 |
1 |
0 |
0 |
T104 |
0 |
4 |
0 |
0 |
ErrorStAllEscAsserted_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
1104 |
0 |
0 |
T5 |
34293 |
306 |
0 |
0 |
T6 |
23610 |
147 |
0 |
0 |
T7 |
61075 |
0 |
0 |
0 |
T9 |
0 |
166 |
0 |
0 |
T11 |
49557 |
0 |
0 |
0 |
T14 |
4599 |
0 |
0 |
0 |
T15 |
33239 |
0 |
0 |
0 |
T16 |
3072 |
0 |
0 |
0 |
T17 |
47788 |
0 |
0 |
0 |
T26 |
34781 |
0 |
0 |
0 |
T27 |
31509 |
0 |
0 |
0 |
T46 |
0 |
146 |
0 |
0 |
T47 |
0 |
339 |
0 |
0 |
ErrorStIsTerminal_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
894 |
0 |
0 |
T5 |
34293 |
246 |
0 |
0 |
T6 |
23610 |
117 |
0 |
0 |
T7 |
61075 |
0 |
0 |
0 |
T9 |
0 |
136 |
0 |
0 |
T11 |
49557 |
0 |
0 |
0 |
T14 |
4599 |
0 |
0 |
0 |
T15 |
33239 |
0 |
0 |
0 |
T16 |
3072 |
0 |
0 |
0 |
T17 |
47788 |
0 |
0 |
0 |
T26 |
34781 |
0 |
0 |
0 |
T27 |
31509 |
0 |
0 |
0 |
T46 |
0 |
116 |
0 |
0 |
T47 |
0 |
279 |
0 |
0 |
EscStateOut_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550427392 |
550357694 |
0 |
0 |
T1 |
3466 |
3375 |
0 |
0 |
T2 |
27353 |
27263 |
0 |
0 |
T3 |
41460 |
41398 |
0 |
0 |
T4 |
27925 |
27789 |
0 |
0 |
T5 |
95 |
0 |
0 |
0 |
T10 |
40283 |
40205 |
0 |
0 |
T12 |
59237 |
59164 |
0 |
0 |
T13 |
76217 |
76122 |
0 |
0 |
T14 |
4599 |
4524 |
0 |
0 |
T15 |
0 |
33142 |
0 |
0 |
T17 |
47788 |
47714 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
550407217 |
0 |
0 |
T1 |
3466 |
3375 |
0 |
0 |
T2 |
27353 |
27263 |
0 |
0 |
T3 |
41460 |
41398 |
0 |
0 |
T4 |
27925 |
27789 |
0 |
0 |
T5 |
34293 |
8407 |
0 |
0 |
T10 |
40283 |
40205 |
0 |
0 |
T12 |
59237 |
59164 |
0 |
0 |
T13 |
76217 |
76122 |
0 |
0 |
T14 |
4599 |
4524 |
0 |
0 |
T17 |
47788 |
47714 |
0 |
0 |
Line Coverage for Instance : tb.dut.gen_classes[2].u_esc_timer
| Line No. | Total | Covered | Percent |
TOTAL | | 101 | 101 | 100.00 |
CONT_ASSIGN | 85 | 1 | 1 | 100.00 |
ALWAYS | 134 | 89 | 89 | 100.00 |
CONT_ASSIGN | 292 | 1 | 1 | 100.00 |
CONT_ASSIGN | 292 | 1 | 1 | 100.00 |
CONT_ASSIGN | 292 | 1 | 1 | 100.00 |
CONT_ASSIGN | 292 | 1 | 1 | 100.00 |
CONT_ASSIGN | 295 | 1 | 1 | 100.00 |
CONT_ASSIGN | 295 | 1 | 1 | 100.00 |
CONT_ASSIGN | 295 | 1 | 1 | 100.00 |
CONT_ASSIGN | 295 | 1 | 1 | 100.00 |
ALWAYS | 305 | 3 | 3 | 100.00 |
84 logic [EscCntDw-1:0] thresh;
85 1/1 assign cnt_ge = (esc_cnt_o >= thresh);
Tests: T1 T2 T3
86
87 //////////////
88 // Main FSM //
89 //////////////
90
91 logic [N_PHASES-1:0] phase_oh;
92
93 // SEC_CM: ESC_TIMER.FSM.SPARSE
94 // Encoding generated with:
95 // $ ./util/design/sparse-fsm-encode.py -d 5 -m 8 -n 10 \
96 // -s 784905746 --language=sv
97 //
98 // Hamming distance histogram:
99 //
100 // 0: --
101 // 1: --
102 // 2: --
103 // 3: --
104 // 4: --
105 // 5: |||||||||||||||||||| (46.43%)
106 // 6: |||||||||||||||||||| (46.43%)
107 // 7: ||| (7.14%)
108 // 8: --
109 // 9: --
110 // 10: --
111 //
112 // Minimum Hamming distance: 5
113 // Maximum Hamming distance: 7
114 // Minimum Hamming weight: 3
115 // Maximum Hamming weight: 9
116 //
117 localparam int StateWidth = 10;
118 typedef enum logic [StateWidth-1:0] {
119 IdleSt = 10'b1011011010,
120 TimeoutSt = 10'b0000100110,
121 Phase0St = 10'b1110000101,
122 Phase1St = 10'b0101010100,
123 Phase2St = 10'b0000011001,
124 Phase3St = 10'b1001100001,
125 TerminalSt = 10'b1101111111,
126 FsmErrorSt = 10'b0111101000
127 } state_e;
128
129 logic fsm_error;
130 state_e state_d, state_q;
131
132 always_comb begin : p_fsm
133 // default
134 1/1 state_d = state_q;
Tests: T1 T2 T3
135 1/1 esc_state_o = Idle;
Tests: T1 T2 T3
136 1/1 cnt_en = 1'b0;
Tests: T1 T2 T3
137 1/1 cnt_clr = 1'b0;
Tests: T1 T2 T3
138 1/1 esc_trig_o = 1'b0;
Tests: T1 T2 T3
139 1/1 phase_oh = '0;
Tests: T1 T2 T3
140 1/1 thresh = timeout_cyc_i;
Tests: T1 T2 T3
141 1/1 fsm_error = 1'b0;
Tests: T1 T2 T3
142 1/1 latch_crashdump_o = 1'b0;
Tests: T1 T2 T3
143
144 1/1 unique case (state_q)
Tests: T1 T2 T3
145 // wait for an escalation trigger or an alert trigger
146 // the latter will trigger an interrupt timeout
147 IdleSt: begin
148 1/1 cnt_clr = 1'b1;
Tests: T1 T2 T3
149 1/1 esc_state_o = Idle;
Tests: T1 T2 T3
150
151 1/1 if (accu_trig_i && en_i && !clr_i) begin
Tests: T1 T2 T3
152 1/1 state_d = Phase0St;
Tests: T1 T2 T3
153 1/1 cnt_en = 1'b1;
Tests: T1 T2 T3
154 1/1 esc_trig_o = 1'b1;
Tests: T1 T2 T3
155 // the counter is zero in this state. so if the
156 // timeout count is zero (==disabled), cnt_ge will be true.
157 1/1 end else if (timeout_en_i && !cnt_ge && en_i) begin
Tests: T1 T2 T3
158 1/1 cnt_en = 1'b1;
Tests: T27 T88 T52
159 1/1 state_d = TimeoutSt;
Tests: T27 T88 T52
160 end
MISSING_ELSE
161 end
162 // we are in interrupt timeout state
163 // in case an escalation comes in, we immediately have to
164 // switch over to the first escalation phase.
165 // in case the interrupt timeout hits it's cycle count, we
166 // also enter escalation phase0.
167 // ongoing timeouts can always be cleared.
168 TimeoutSt: begin
169 1/1 esc_state_o = Timeout;
Tests: T27 T88 T52
170
171 1/1 if ((accu_trig_i && en_i && !clr_i) || (cnt_ge && timeout_en_i)) begin
Tests: T27 T88 T52
172 1/1 state_d = Phase0St;
Tests: T88 T89 T95
173 1/1 cnt_en = 1'b1;
Tests: T88 T89 T95
174 1/1 cnt_clr = 1'b1;
Tests: T88 T89 T95
175 1/1 esc_trig_o = 1'b1;
Tests: T88 T89 T95
176 // the timeout enable is connected to the irq state
177 // if that is cleared, stop the timeout counter
178 1/1 end else if (timeout_en_i) begin
Tests: T27 T88 T52
179 1/1 cnt_en = 1'b1;
Tests: T27 T88 T52
180 end else begin
181 1/1 state_d = IdleSt;
Tests: T27 T52 T53
182 1/1 cnt_clr = 1'b1;
Tests: T27 T52 T53
183 end
184 end
185 // note: autolocking the clear signal is done in the regfile
186 Phase0St: begin
187 1/1 cnt_en = 1'b1;
Tests: T1 T2 T3
188 1/1 phase_oh[0] = 1'b1;
Tests: T1 T2 T3
189 1/1 thresh = phase_cyc_i[0];
Tests: T1 T2 T3
190 1/1 esc_state_o = Phase0;
Tests: T1 T2 T3
191 1/1 latch_crashdump_o = (crashdump_phase_i == 2'b00);
Tests: T1 T2 T3
192
193 1/1 if (clr_i) begin
Tests: T1 T2 T3
194 1/1 state_d = IdleSt;
Tests: T29 T30 T113
195 1/1 cnt_clr = 1'b1;
Tests: T29 T30 T113
196 1/1 cnt_en = 1'b0;
Tests: T29 T30 T113
197 1/1 end else if (cnt_ge) begin
Tests: T1 T2 T3
198 1/1 state_d = Phase1St;
Tests: T1 T2 T3
199 1/1 cnt_clr = 1'b1;
Tests: T1 T2 T3
200 1/1 cnt_en = 1'b1;
Tests: T1 T2 T3
201 end
MISSING_ELSE
202 end
203 Phase1St: begin
204 1/1 cnt_en = 1'b1;
Tests: T1 T2 T3
205 1/1 phase_oh[1] = 1'b1;
Tests: T1 T2 T3
206 1/1 thresh = phase_cyc_i[1];
Tests: T1 T2 T3
207 1/1 esc_state_o = Phase1;
Tests: T1 T2 T3
208 1/1 latch_crashdump_o = (crashdump_phase_i == 2'b01);
Tests: T1 T2 T3
209
210 1/1 if (clr_i) begin
Tests: T1 T2 T3
211 1/1 state_d = IdleSt;
Tests: T32 T114 T115
212 1/1 cnt_clr = 1'b1;
Tests: T32 T114 T115
213 1/1 cnt_en = 1'b0;
Tests: T32 T114 T115
214 1/1 end else if (cnt_ge) begin
Tests: T1 T2 T3
215 1/1 state_d = Phase2St;
Tests: T1 T2 T3
216 1/1 cnt_clr = 1'b1;
Tests: T1 T2 T3
217 1/1 cnt_en = 1'b1;
Tests: T1 T2 T3
218 end
MISSING_ELSE
219 end
220 Phase2St: begin
221 1/1 cnt_en = 1'b1;
Tests: T1 T2 T3
222 1/1 phase_oh[2] = 1'b1;
Tests: T1 T2 T3
223 1/1 thresh = phase_cyc_i[2];
Tests: T1 T2 T3
224 1/1 esc_state_o = Phase2;
Tests: T1 T2 T3
225 1/1 latch_crashdump_o = (crashdump_phase_i == 2'b10);
Tests: T1 T2 T3
226
227
228 1/1 if (clr_i) begin
Tests: T1 T2 T3
229 1/1 state_d = IdleSt;
Tests: T34 T116 T117
230 1/1 cnt_clr = 1'b1;
Tests: T34 T116 T117
231 1/1 cnt_en = 1'b0;
Tests: T34 T116 T117
232 1/1 end else if (cnt_ge) begin
Tests: T1 T2 T3
233 1/1 state_d = Phase3St;
Tests: T1 T2 T3
234 1/1 cnt_clr = 1'b1;
Tests: T1 T2 T3
235 end
MISSING_ELSE
236 end
237 Phase3St: begin
238 1/1 cnt_en = 1'b1;
Tests: T1 T2 T3
239 1/1 phase_oh[3] = 1'b1;
Tests: T1 T2 T3
240 1/1 thresh = phase_cyc_i[3];
Tests: T1 T2 T3
241 1/1 esc_state_o = Phase3;
Tests: T1 T2 T3
242 1/1 latch_crashdump_o = (crashdump_phase_i == 2'b11);
Tests: T1 T2 T3
243
244 1/1 if (clr_i) begin
Tests: T1 T2 T3
245 1/1 state_d = IdleSt;
Tests: T34 T38 T116
246 1/1 cnt_clr = 1'b1;
Tests: T34 T38 T116
247 1/1 cnt_en = 1'b0;
Tests: T34 T38 T116
248 1/1 end else if (cnt_ge) begin
Tests: T1 T2 T3
249 1/1 state_d = TerminalSt;
Tests: T1 T2 T3
250 1/1 cnt_clr = 1'b1;
Tests: T1 T2 T3
251 1/1 cnt_en = 1'b0;
Tests: T1 T2 T3
252 end
MISSING_ELSE
253 end
254 // final, terminal state after escalation.
255 // if clr is locked down, only a system reset
256 // will get us out of this state
257 TerminalSt: begin
258 1/1 cnt_clr = 1'b1;
Tests: T1 T2 T3
259 1/1 esc_state_o = Terminal;
Tests: T1 T2 T3
260 1/1 if (clr_i) begin
Tests: T1 T2 T3
261 1/1 state_d = IdleSt;
Tests: T2 T3 T32
262 end
MISSING_ELSE
263 end
264 // error state, only reached if the FSM has been
265 // glitched. in this state, we trigger all escalation
266 // actions at once.
267 FsmErrorSt: begin
268 1/1 esc_state_o = FsmError;
Tests: T5 T6 T9
269 1/1 fsm_error = 1'b1;
Tests: T5 T6 T9
270 end
271 // SEC_CM: ESC_TIMER.FSM.LOCAL_ESC
272 // catch glitches.
273 default: begin
274 state_d = FsmErrorSt;
275 esc_state_o = FsmError;
276 fsm_error = 1'b1;
277 end
278 endcase
279
280 // SEC_CM: ESC_TIMER.FSM.LOCAL_ESC
281 // if any of the duplicate counter pairs has an inconsistent state
282 // we move into the terminal FSM error state.
283 1/1 if (accu_fail_i || cnt_error) begin
Tests: T1 T2 T3
284 1/1 state_d = FsmErrorSt;
Tests: T5 T6 T9
285 1/1 fsm_error = 1'b1;
Tests: T5 T6 T9
286 end
MISSING_ELSE
287 end
288
289 logic [N_ESC_SEV-1:0][N_PHASES-1:0] esc_map_oh;
290 for (genvar k = 0; k < N_ESC_SEV; k++) begin : gen_phase_map
291 // generate configuration mask for escalation enable signals
292 4/4 assign esc_map_oh[k] = N_ESC_SEV'(esc_en_i[k]) << esc_map_i[k];
Tests: T1 T2 T3 | T1 T2 T3 | T1 T2 T3 | T1 T2 T3
293 // mask reduce current phase state vector
294 // SEC_CM: ESC_TIMER.FSM.GLOBAL_ESC
295 4/4 assign esc_sig_req_o[k] = |(esc_map_oh[k] & phase_oh) | fsm_error;
Tests: T1 T2 T3 | T1 T2 T3 | T1 T2 T3 | T1 T2 T3
296 end
297
298 ///////////////////
299 // FSM Registers //
300 ///////////////////
301
302 // The alert handler behaves differently than other comportable IP. I.e., instead of sending out
303 // an alert signal, this condition is handled internally in the alert handler. The
304 // EnableAlertTriggerSVA parameter is therefore set to 0.
305 3/3 `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, IdleSt, clk_i, rst_ni, 0)
Tests: T1 T2 T3 | T1 T2 T3 | T1 T2 T3
PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, IdleSt, clk_i, rst_ni, 0):
305.1 `ifdef SIMULATION
305.2 prim_sparse_fsm_flop #(
305.3 .StateEnumT(state_e),
305.4 .Width($bits(state_e)),
305.5 .ResetValue($bits(state_e)'(IdleSt)),
305.6 .EnableAlertTriggerSVA(0),
305.7 .CustomForceName("state_q")
305.8 ) u_state_regs (
305.9 .clk_i ( clk_i ),
305.10 .rst_ni ( rst_ni ),
305.11 .state_i ( state_d ),
305.12 .state_o ( )
305.13 );
305.14 always_ff @(posedge clk_i or negedge rst_ni) begin
305.15 1/1 if (!rst_ni) begin
Tests: T1 T2 T3
305.16 1/1 state_q <= IdleSt;
Tests: T1 T2 T3
305.17 end else begin
305.18 1/1 state_q <= state_d;
Tests: T1 T2 T3
305.19 end
305.20 end
305.21 u_state_regs_A: assert property (@(posedge clk_i) disable iff ((!rst_ni) !== '0) (state_q === u_state_regs.state_o))
305.22 else begin
305.23 `ifdef UVM
305.24 uvm_pkg::uvm_report_error("ASSERT FAILED", "u_state_regs_A", uvm_pkg::UVM_NONE,
305.25 "../src/lowrisc_ip_alert_handler_component_0.1/rtl/alert_handler_esc_timer.sv", 305, "", 1);
305.26 `else
305.27 $error("%0t: (%0s:%0d) [%m] [ASSERT FAILED] %0s", $time, `__FILE__, `__LINE__,
305.28 `PRIM_STRINGIFY(u_state_regs_A));
305.29 `endif
305.30 end
305.31 `else
305.32 prim_sparse_fsm_flop #(
305.33 .StateEnumT(state_e),
305.34 .Width($bits(state_e)),
305.35 .ResetValue($bits(state_e)'(IdleSt)),
305.36 .EnableAlertTriggerSVA(0)
305.37 ) u_state_regs (
305.38 .clk_i ( clk_i ),
305.39 .rst_ni ( rst_ni ),
305.40 .state_i ( state_d ),
305.41 .state_o ( state_q )
305.42 );
305.43 `endif
Cond Coverage for Instance : tb.dut.gen_classes[2].u_esc_timer
| Total | Covered | Percent |
Conditions | 45 | 42 | 93.33 |
Logical | 45 | 42 | 93.33 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 66
EXPRESSION (cnt_clr && ((!cnt_en)))
---1--- -----2-----
-1- | -2- | Status | Tests |
0 | 1 | Covered | T5,T6,T9 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T1,T2,T3 |
LINE 66
EXPRESSION (cnt_clr && cnt_en)
---1--- ---2--
-1- | -2- | Status | Tests |
0 | 1 | Covered | T2,T3,T26 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T1,T2,T3 |
LINE 151
EXPRESSION (accu_trig_i && en_i && ((!clr_i)))
-----1----- --2- -----3----
-1- | -2- | -3- | Status | Tests | Exclude Annotation |
0 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | Excluded | |
VC_COV_UNR |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T1,T2,T3 |
LINE 157
EXPRESSION (timeout_en_i && ((!cnt_ge)) && en_i)
------1----- -----2----- --3-
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T2,T3,T27 |
1 | 0 | 1 | Covered | T1,T2,T26 |
1 | 1 | 0 | Covered | T2,T13,T15 |
1 | 1 | 1 | Covered | T27,T88,T52 |
LINE 171
EXPRESSION ((accu_trig_i && en_i && ((!clr_i))) || (cnt_ge && timeout_en_i))
-----------------1----------------- ------------2-----------
-1- | -2- | Status | Tests |
0 | 0 | Covered | T27,T88,T52 |
0 | 1 | Covered | T88,T89,T95 |
1 | 0 | Covered | T118,T65,T119 |
LINE 171
SUB-EXPRESSION (accu_trig_i && en_i && ((!clr_i)))
-----1----- --2- -----3----
-1- | -2- | -3- | Status | Tests | Exclude Annotation |
0 | 1 | 1 | Covered | T27,T88,T52 |
1 | 0 | 1 | Excluded | |
VC_COV_UNR |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T118,T65,T119 |
LINE 171
SUB-EXPRESSION (cnt_ge && timeout_en_i)
---1-- ------2-----
-1- | -2- | Status | Tests |
0 | 1 | Covered | T27,T88,T52 |
1 | 0 | Not Covered | |
1 | 1 | Covered | T88,T89,T95 |
LINE 191
EXPRESSION (crashdump_phase_i == 2'b0)
-------------1-------------
-1- | Status | Tests |
0 | Covered | T2,T3,T88 |
1 | Covered | T1,T26,T73 |
LINE 208
EXPRESSION (crashdump_phase_i == 2'b1)
-------------1-------------
-1- | Status | Tests |
0 | Covered | T1,T2,T26 |
1 | Covered | T3,T32,T53 |
LINE 225
EXPRESSION (crashdump_phase_i == 2'b10)
--------------1-------------
-1- | Status | Tests |
0 | Covered | T1,T3,T26 |
1 | Covered | T2,T50,T89 |
LINE 242
EXPRESSION (crashdump_phase_i == 2'b11)
--------------1-------------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T88,T40,T44 |
LINE 283
EXPRESSION (accu_fail_i || cnt_error)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T5,T6,T9 |
1 | 0 | Covered | T5,T6,T9 |
LINE 295
EXPRESSION (((|(esc_map_oh[0] & phase_oh))) | fsm_error)
---------------1--------------- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T5,T6,T9 |
1 | 0 | Covered | T1,T2,T88 |
LINE 295
EXPRESSION (((|(esc_map_oh[1] & phase_oh))) | fsm_error)
---------------1--------------- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T5,T6,T9 |
1 | 0 | Covered | T1,T26,T50 |
LINE 295
EXPRESSION (((|(esc_map_oh[2] & phase_oh))) | fsm_error)
---------------1--------------- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T5,T6,T9 |
1 | 0 | Covered | T1,T2,T3 |
LINE 295
EXPRESSION (((|(esc_map_oh[3] & phase_oh))) | fsm_error)
---------------1--------------- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T5,T6,T9 |
1 | 0 | Covered | T1,T3,T88 |
FSM Coverage for Instance : tb.dut.gen_classes[2].u_esc_timer
Summary for FSM :: state_q
| Total | Covered | Percent | |
States |
8 |
8 |
100.00 |
(Not included in score) |
Transitions |
14 |
14 |
100.00 |
|
Sequences |
0 |
0 |
|
|
State, Transition and Sequence Details for FSM :: state_q
states | Line No. | Covered | Tests |
FsmErrorSt |
284 |
Covered |
T5,T6,T9 |
IdleSt |
181 |
Covered |
T1,T2,T3 |
Phase0St |
152 |
Covered |
T1,T2,T3 |
Phase1St |
198 |
Covered |
T1,T2,T3 |
Phase2St |
215 |
Covered |
T1,T2,T3 |
Phase3St |
233 |
Covered |
T1,T2,T3 |
TerminalSt |
249 |
Covered |
T1,T2,T3 |
TimeoutSt |
159 |
Covered |
T27,T88,T52 |
transitions | Line No. | Covered | Tests | Exclude Annotation |
IdleSt->FsmErrorSt |
284 |
Covered |
T5,T6,T9 |
|
IdleSt->Phase0St |
152 |
Covered |
T1,T2,T3 |
|
IdleSt->TimeoutSt |
159 |
Covered |
T27,T88,T52 |
|
Phase0St->FsmErrorSt |
284 |
Excluded |
|
[LOW_RISK]: Forcing from any state other than IdleSt to FSMErrorSt is covered in FPV. |
Phase0St->IdleSt |
194 |
Covered |
T29,T30,T113 |
|
Phase0St->Phase1St |
198 |
Covered |
T1,T2,T3 |
|
Phase1St->FsmErrorSt |
284 |
Excluded |
|
[LOW_RISK]: Forcing from any state other than IdleSt to FSMErrorSt is covered in FPV. |
Phase1St->IdleSt |
211 |
Covered |
T32,T57,T114 |
|
Phase1St->Phase2St |
215 |
Covered |
T1,T2,T3 |
|
Phase2St->FsmErrorSt |
284 |
Excluded |
|
[LOW_RISK]: Forcing from any state other than IdleSt to FSMErrorSt is covered in FPV. |
Phase2St->IdleSt |
229 |
Covered |
T34,T116,T117 |
|
Phase2St->Phase3St |
233 |
Covered |
T1,T2,T3 |
|
Phase3St->FsmErrorSt |
284 |
Excluded |
|
[LOW_RISK]: Forcing from any state other than IdleSt to FSMErrorSt is covered in FPV. |
Phase3St->IdleSt |
245 |
Covered |
T34,T38,T116 |
|
Phase3St->TerminalSt |
249 |
Covered |
T1,T2,T3 |
|
TerminalSt->FsmErrorSt |
284 |
Excluded |
|
[LOW_RISK]: Forcing from any state other than IdleSt to FSMErrorSt is covered in FPV. |
TerminalSt->IdleSt |
261 |
Covered |
T2,T3,T32 |
|
TimeoutSt->FsmErrorSt |
284 |
Excluded |
|
[LOW_RISK]: Forcing from any state other than IdleSt to FSMErrorSt is covered in FPV. |
TimeoutSt->IdleSt |
181 |
Covered |
T27,T52,T53 |
|
TimeoutSt->Phase0St |
172 |
Covered |
T88,T89,T95 |
|
Branch Coverage for Instance : tb.dut.gen_classes[2].u_esc_timer
| Line No. | Total | Covered | Percent |
Branches |
|
26 |
26 |
100.00 |
CASE |
144 |
22 |
22 |
100.00 |
IF |
283 |
2 |
2 |
100.00 |
IF |
305 |
2 |
2 |
100.00 |
144 unique case (state_q)
-1-
145 // wait for an escalation trigger or an alert trigger
146 // the latter will trigger an interrupt timeout
147 IdleSt: begin
148 cnt_clr = 1'b1;
149 esc_state_o = Idle;
150
151 if (accu_trig_i && en_i && !clr_i) begin
-2-
152 state_d = Phase0St;
==>
153 cnt_en = 1'b1;
154 esc_trig_o = 1'b1;
155 // the counter is zero in this state. so if the
156 // timeout count is zero (==disabled), cnt_ge will be true.
157 end else if (timeout_en_i && !cnt_ge && en_i) begin
-3-
158 cnt_en = 1'b1;
==>
159 state_d = TimeoutSt;
160 end
MISSING_ELSE
==>
161 end
162 // we are in interrupt timeout state
163 // in case an escalation comes in, we immediately have to
164 // switch over to the first escalation phase.
165 // in case the interrupt timeout hits it's cycle count, we
166 // also enter escalation phase0.
167 // ongoing timeouts can always be cleared.
168 TimeoutSt: begin
169 esc_state_o = Timeout;
170
171 if ((accu_trig_i && en_i && !clr_i) || (cnt_ge && timeout_en_i)) begin
-4-
172 state_d = Phase0St;
==>
173 cnt_en = 1'b1;
174 cnt_clr = 1'b1;
175 esc_trig_o = 1'b1;
176 // the timeout enable is connected to the irq state
177 // if that is cleared, stop the timeout counter
178 end else if (timeout_en_i) begin
-5-
179 cnt_en = 1'b1;
==>
180 end else begin
181 state_d = IdleSt;
==>
182 cnt_clr = 1'b1;
183 end
184 end
185 // note: autolocking the clear signal is done in the regfile
186 Phase0St: begin
187 cnt_en = 1'b1;
188 phase_oh[0] = 1'b1;
189 thresh = phase_cyc_i[0];
190 esc_state_o = Phase0;
191 latch_crashdump_o = (crashdump_phase_i == 2'b00);
192
193 if (clr_i) begin
-6-
194 state_d = IdleSt;
==>
195 cnt_clr = 1'b1;
196 cnt_en = 1'b0;
197 end else if (cnt_ge) begin
-7-
198 state_d = Phase1St;
==>
199 cnt_clr = 1'b1;
200 cnt_en = 1'b1;
201 end
MISSING_ELSE
==>
202 end
203 Phase1St: begin
204 cnt_en = 1'b1;
205 phase_oh[1] = 1'b1;
206 thresh = phase_cyc_i[1];
207 esc_state_o = Phase1;
208 latch_crashdump_o = (crashdump_phase_i == 2'b01);
209
210 if (clr_i) begin
-8-
211 state_d = IdleSt;
==>
212 cnt_clr = 1'b1;
213 cnt_en = 1'b0;
214 end else if (cnt_ge) begin
-9-
215 state_d = Phase2St;
==>
216 cnt_clr = 1'b1;
217 cnt_en = 1'b1;
218 end
MISSING_ELSE
==>
219 end
220 Phase2St: begin
221 cnt_en = 1'b1;
222 phase_oh[2] = 1'b1;
223 thresh = phase_cyc_i[2];
224 esc_state_o = Phase2;
225 latch_crashdump_o = (crashdump_phase_i == 2'b10);
226
227
228 if (clr_i) begin
-10-
229 state_d = IdleSt;
==>
230 cnt_clr = 1'b1;
231 cnt_en = 1'b0;
232 end else if (cnt_ge) begin
-11-
233 state_d = Phase3St;
==>
234 cnt_clr = 1'b1;
235 end
MISSING_ELSE
==>
236 end
237 Phase3St: begin
238 cnt_en = 1'b1;
239 phase_oh[3] = 1'b1;
240 thresh = phase_cyc_i[3];
241 esc_state_o = Phase3;
242 latch_crashdump_o = (crashdump_phase_i == 2'b11);
243
244 if (clr_i) begin
-12-
245 state_d = IdleSt;
==>
246 cnt_clr = 1'b1;
247 cnt_en = 1'b0;
248 end else if (cnt_ge) begin
-13-
249 state_d = TerminalSt;
==>
250 cnt_clr = 1'b1;
251 cnt_en = 1'b0;
252 end
MISSING_ELSE
==>
253 end
254 // final, terminal state after escalation.
255 // if clr is locked down, only a system reset
256 // will get us out of this state
257 TerminalSt: begin
258 cnt_clr = 1'b1;
259 esc_state_o = Terminal;
260 if (clr_i) begin
-14-
261 state_d = IdleSt;
==>
262 end
MISSING_ELSE
==>
263 end
264 // error state, only reached if the FSM has been
265 // glitched. in this state, we trigger all escalation
266 // actions at once.
267 FsmErrorSt: begin
268 esc_state_o = FsmError;
==>
269 fsm_error = 1'b1;
270 end
271 // SEC_CM: ESC_TIMER.FSM.LOCAL_ESC
272 // catch glitches.
273 default: begin
274 state_d = FsmErrorSt;
==>
Branches:
-1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | Status | Tests |
IdleSt |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
IdleSt |
0 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T27,T88,T52 |
IdleSt |
0 |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
TimeoutSt |
- |
- |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T88,T89,T95 |
TimeoutSt |
- |
- |
0 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T27,T88,T52 |
TimeoutSt |
- |
- |
0 |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T27,T52,T53 |
Phase0St |
- |
- |
- |
- |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T29,T30,T113 |
Phase0St |
- |
- |
- |
- |
0 |
1 |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
Phase0St |
- |
- |
- |
- |
0 |
0 |
- |
- |
- |
- |
- |
- |
- |
Covered |
T2,T3,T26 |
Phase1St |
- |
- |
- |
- |
- |
- |
1 |
- |
- |
- |
- |
- |
- |
Covered |
T32,T114,T115 |
Phase1St |
- |
- |
- |
- |
- |
- |
0 |
1 |
- |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
Phase1St |
- |
- |
- |
- |
- |
- |
0 |
0 |
- |
- |
- |
- |
- |
Covered |
T2,T3,T26 |
Phase2St |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
- |
- |
- |
- |
Covered |
T34,T116,T117 |
Phase2St |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
1 |
- |
- |
- |
Covered |
T1,T2,T3 |
Phase2St |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
0 |
- |
- |
- |
Covered |
T2,T3,T26 |
Phase3St |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
- |
- |
Covered |
T34,T38,T116 |
Phase3St |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
1 |
- |
Covered |
T1,T2,T3 |
Phase3St |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
0 |
- |
Covered |
T2,T3,T26 |
TerminalSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
Covered |
T2,T3,T32 |
TerminalSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
Covered |
T1,T2,T3 |
FsmErrorSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T5,T6,T9 |
default |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T5,T6,T9 |
283 if (accu_fail_i || cnt_error) begin
-1-
284 state_d = FsmErrorSt;
==>
285 fsm_error = 1'b1;
286 end
MISSING_ELSE
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T5,T6,T9 |
0 |
Covered |
T1,T2,T3 |
305 `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, IdleSt, clk_i, rst_ni, 0)
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.gen_classes[2].u_esc_timer
Assertion Details
AccuFailToFsmError_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
245 |
0 |
0 |
T5 |
34293 |
48 |
0 |
0 |
T6 |
23610 |
27 |
0 |
0 |
T7 |
61075 |
0 |
0 |
0 |
T9 |
0 |
35 |
0 |
0 |
T11 |
49557 |
0 |
0 |
0 |
T14 |
4599 |
0 |
0 |
0 |
T15 |
33239 |
0 |
0 |
0 |
T16 |
3072 |
0 |
0 |
0 |
T17 |
47788 |
0 |
0 |
0 |
T26 |
34781 |
0 |
0 |
0 |
T27 |
31509 |
0 |
0 |
0 |
T46 |
0 |
33 |
0 |
0 |
T47 |
0 |
102 |
0 |
0 |
CheckAccumTrig0_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
537 |
0 |
0 |
T1 |
3466 |
1 |
0 |
0 |
T2 |
27353 |
1 |
0 |
0 |
T3 |
41460 |
5 |
0 |
0 |
T4 |
27925 |
0 |
0 |
0 |
T5 |
34293 |
0 |
0 |
0 |
T10 |
40283 |
0 |
0 |
0 |
T12 |
59237 |
0 |
0 |
0 |
T13 |
76217 |
0 |
0 |
0 |
T14 |
4599 |
0 |
0 |
0 |
T17 |
47788 |
0 |
0 |
0 |
T26 |
0 |
1 |
0 |
0 |
T32 |
0 |
3 |
0 |
0 |
T34 |
0 |
5 |
0 |
0 |
T40 |
0 |
1 |
0 |
0 |
T50 |
0 |
1 |
0 |
0 |
T53 |
0 |
2 |
0 |
0 |
T73 |
0 |
1 |
0 |
0 |
CheckAccumTrig1_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
16 |
0 |
0 |
T65 |
107968 |
1 |
0 |
0 |
T82 |
48287 |
0 |
0 |
0 |
T106 |
0 |
1 |
0 |
0 |
T119 |
0 |
2 |
0 |
0 |
T120 |
0 |
1 |
0 |
0 |
T121 |
0 |
2 |
0 |
0 |
T122 |
0 |
1 |
0 |
0 |
T123 |
0 |
1 |
0 |
0 |
T124 |
0 |
1 |
0 |
0 |
T125 |
0 |
2 |
0 |
0 |
T126 |
0 |
2 |
0 |
0 |
T127 |
300704 |
0 |
0 |
0 |
T128 |
323993 |
0 |
0 |
0 |
T129 |
132427 |
0 |
0 |
0 |
T130 |
51714 |
0 |
0 |
0 |
T131 |
387166 |
0 |
0 |
0 |
T132 |
9902 |
0 |
0 |
0 |
T133 |
22935 |
0 |
0 |
0 |
T134 |
279519 |
0 |
0 |
0 |
CheckClr_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
274 |
0 |
0 |
T2 |
27353 |
1 |
0 |
0 |
T3 |
41460 |
4 |
0 |
0 |
T4 |
27925 |
0 |
0 |
0 |
T5 |
34293 |
0 |
0 |
0 |
T10 |
40283 |
0 |
0 |
0 |
T12 |
59237 |
0 |
0 |
0 |
T13 |
76217 |
0 |
0 |
0 |
T14 |
4599 |
0 |
0 |
0 |
T15 |
33239 |
0 |
0 |
0 |
T17 |
47788 |
0 |
0 |
0 |
T28 |
0 |
1 |
0 |
0 |
T32 |
0 |
2 |
0 |
0 |
T33 |
0 |
1 |
0 |
0 |
T34 |
0 |
4 |
0 |
0 |
T53 |
0 |
2 |
0 |
0 |
T94 |
0 |
3 |
0 |
0 |
T97 |
0 |
1 |
0 |
0 |
T135 |
0 |
3 |
0 |
0 |
CheckEn_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550428711 |
220034436 |
0 |
0 |
T1 |
3466 |
2817 |
0 |
0 |
T2 |
27353 |
24534 |
0 |
0 |
T3 |
41460 |
6379 |
0 |
0 |
T4 |
27925 |
2288 |
0 |
0 |
T5 |
343 |
247 |
0 |
0 |
T10 |
40283 |
40204 |
0 |
0 |
T12 |
59237 |
59163 |
0 |
0 |
T13 |
76217 |
76121 |
0 |
0 |
T14 |
4599 |
3252 |
0 |
0 |
T17 |
47788 |
47713 |
0 |
0 |
CheckPhase0_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
588 |
0 |
0 |
T1 |
3466 |
1 |
0 |
0 |
T2 |
27353 |
1 |
0 |
0 |
T3 |
41460 |
5 |
0 |
0 |
T4 |
27925 |
0 |
0 |
0 |
T5 |
34293 |
0 |
0 |
0 |
T10 |
40283 |
0 |
0 |
0 |
T12 |
59237 |
0 |
0 |
0 |
T13 |
76217 |
0 |
0 |
0 |
T14 |
4599 |
0 |
0 |
0 |
T17 |
47788 |
0 |
0 |
0 |
T26 |
0 |
1 |
0 |
0 |
T32 |
0 |
3 |
0 |
0 |
T40 |
0 |
1 |
0 |
0 |
T50 |
0 |
1 |
0 |
0 |
T73 |
0 |
1 |
0 |
0 |
T88 |
0 |
1 |
0 |
0 |
T89 |
0 |
1 |
0 |
0 |
CheckPhase1_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
569 |
0 |
0 |
T1 |
3466 |
1 |
0 |
0 |
T2 |
27353 |
1 |
0 |
0 |
T3 |
41460 |
5 |
0 |
0 |
T4 |
27925 |
0 |
0 |
0 |
T5 |
34293 |
0 |
0 |
0 |
T10 |
40283 |
0 |
0 |
0 |
T12 |
59237 |
0 |
0 |
0 |
T13 |
76217 |
0 |
0 |
0 |
T14 |
4599 |
0 |
0 |
0 |
T17 |
47788 |
0 |
0 |
0 |
T26 |
0 |
1 |
0 |
0 |
T32 |
0 |
2 |
0 |
0 |
T40 |
0 |
1 |
0 |
0 |
T50 |
0 |
1 |
0 |
0 |
T73 |
0 |
1 |
0 |
0 |
T88 |
0 |
1 |
0 |
0 |
T89 |
0 |
1 |
0 |
0 |
CheckPhase2_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
551 |
0 |
0 |
T1 |
3466 |
1 |
0 |
0 |
T2 |
27353 |
1 |
0 |
0 |
T3 |
41460 |
5 |
0 |
0 |
T4 |
27925 |
0 |
0 |
0 |
T5 |
34293 |
0 |
0 |
0 |
T10 |
40283 |
0 |
0 |
0 |
T12 |
59237 |
0 |
0 |
0 |
T13 |
76217 |
0 |
0 |
0 |
T14 |
4599 |
0 |
0 |
0 |
T17 |
47788 |
0 |
0 |
0 |
T26 |
0 |
1 |
0 |
0 |
T32 |
0 |
2 |
0 |
0 |
T40 |
0 |
1 |
0 |
0 |
T50 |
0 |
1 |
0 |
0 |
T73 |
0 |
1 |
0 |
0 |
T88 |
0 |
1 |
0 |
0 |
T89 |
0 |
1 |
0 |
0 |
CheckPhase3_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
533 |
0 |
0 |
T1 |
3466 |
1 |
0 |
0 |
T2 |
27353 |
1 |
0 |
0 |
T3 |
41460 |
5 |
0 |
0 |
T4 |
27925 |
0 |
0 |
0 |
T5 |
34293 |
0 |
0 |
0 |
T10 |
40283 |
0 |
0 |
0 |
T12 |
59237 |
0 |
0 |
0 |
T13 |
76217 |
0 |
0 |
0 |
T14 |
4599 |
0 |
0 |
0 |
T17 |
47788 |
0 |
0 |
0 |
T26 |
0 |
1 |
0 |
0 |
T32 |
0 |
2 |
0 |
0 |
T40 |
0 |
1 |
0 |
0 |
T50 |
0 |
1 |
0 |
0 |
T73 |
0 |
1 |
0 |
0 |
T88 |
0 |
1 |
0 |
0 |
T89 |
0 |
1 |
0 |
0 |
CheckTimeout0_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
468 |
0 |
0 |
T7 |
61075 |
0 |
0 |
0 |
T8 |
47065 |
0 |
0 |
0 |
T9 |
24025 |
0 |
0 |
0 |
T27 |
31509 |
3 |
0 |
0 |
T28 |
0 |
3 |
0 |
0 |
T31 |
56799 |
0 |
0 |
0 |
T43 |
78983 |
0 |
0 |
0 |
T44 |
0 |
2 |
0 |
0 |
T45 |
0 |
1 |
0 |
0 |
T48 |
8812 |
0 |
0 |
0 |
T49 |
17911 |
0 |
0 |
0 |
T52 |
0 |
1 |
0 |
0 |
T53 |
0 |
2 |
0 |
0 |
T55 |
0 |
1 |
0 |
0 |
T88 |
14691 |
1 |
0 |
0 |
T89 |
0 |
1 |
0 |
0 |
T91 |
0 |
2 |
0 |
0 |
T92 |
1151 |
0 |
0 |
0 |
CheckTimeoutSt1_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
56246 |
0 |
0 |
T7 |
61075 |
0 |
0 |
0 |
T8 |
47065 |
0 |
0 |
0 |
T9 |
24025 |
0 |
0 |
0 |
T27 |
31509 |
612 |
0 |
0 |
T28 |
0 |
339 |
0 |
0 |
T31 |
56799 |
0 |
0 |
0 |
T43 |
78983 |
0 |
0 |
0 |
T44 |
0 |
44 |
0 |
0 |
T45 |
0 |
257 |
0 |
0 |
T48 |
8812 |
0 |
0 |
0 |
T49 |
17911 |
0 |
0 |
0 |
T52 |
0 |
20 |
0 |
0 |
T53 |
0 |
115 |
0 |
0 |
T55 |
0 |
119 |
0 |
0 |
T88 |
14691 |
101 |
0 |
0 |
T89 |
0 |
138 |
0 |
0 |
T91 |
0 |
390 |
0 |
0 |
T92 |
1151 |
0 |
0 |
0 |
CheckTimeoutSt2_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
406 |
0 |
0 |
T7 |
61075 |
0 |
0 |
0 |
T8 |
47065 |
0 |
0 |
0 |
T9 |
24025 |
0 |
0 |
0 |
T27 |
31509 |
3 |
0 |
0 |
T28 |
0 |
3 |
0 |
0 |
T31 |
56799 |
0 |
0 |
0 |
T33 |
0 |
3 |
0 |
0 |
T43 |
78983 |
0 |
0 |
0 |
T44 |
0 |
2 |
0 |
0 |
T45 |
0 |
1 |
0 |
0 |
T48 |
8812 |
0 |
0 |
0 |
T49 |
17911 |
0 |
0 |
0 |
T52 |
0 |
1 |
0 |
0 |
T53 |
0 |
2 |
0 |
0 |
T55 |
0 |
1 |
0 |
0 |
T88 |
14691 |
0 |
0 |
0 |
T91 |
0 |
2 |
0 |
0 |
T92 |
1151 |
0 |
0 |
0 |
T93 |
0 |
1 |
0 |
0 |
CheckTimeoutStTrig_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
45 |
0 |
0 |
T21 |
20548 |
0 |
0 |
0 |
T30 |
0 |
1 |
0 |
0 |
T32 |
76307 |
0 |
0 |
0 |
T36 |
0 |
1 |
0 |
0 |
T46 |
15523 |
0 |
0 |
0 |
T50 |
138148 |
0 |
0 |
0 |
T51 |
23067 |
0 |
0 |
0 |
T52 |
35807 |
0 |
0 |
0 |
T88 |
14691 |
1 |
0 |
0 |
T89 |
48333 |
1 |
0 |
0 |
T95 |
0 |
1 |
0 |
0 |
T97 |
0 |
1 |
0 |
0 |
T98 |
0 |
1 |
0 |
0 |
T99 |
0 |
1 |
0 |
0 |
T100 |
0 |
1 |
0 |
0 |
T136 |
0 |
1 |
0 |
0 |
T137 |
9306 |
0 |
0 |
0 |
T138 |
3860 |
0 |
0 |
0 |
ErrorStAllEscAsserted_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
1082 |
0 |
0 |
T5 |
34293 |
290 |
0 |
0 |
T6 |
23610 |
132 |
0 |
0 |
T7 |
61075 |
0 |
0 |
0 |
T9 |
0 |
164 |
0 |
0 |
T11 |
49557 |
0 |
0 |
0 |
T14 |
4599 |
0 |
0 |
0 |
T15 |
33239 |
0 |
0 |
0 |
T16 |
3072 |
0 |
0 |
0 |
T17 |
47788 |
0 |
0 |
0 |
T26 |
34781 |
0 |
0 |
0 |
T27 |
31509 |
0 |
0 |
0 |
T46 |
0 |
163 |
0 |
0 |
T47 |
0 |
333 |
0 |
0 |
ErrorStIsTerminal_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
872 |
0 |
0 |
T5 |
34293 |
230 |
0 |
0 |
T6 |
23610 |
102 |
0 |
0 |
T7 |
61075 |
0 |
0 |
0 |
T9 |
0 |
134 |
0 |
0 |
T11 |
49557 |
0 |
0 |
0 |
T14 |
4599 |
0 |
0 |
0 |
T15 |
33239 |
0 |
0 |
0 |
T16 |
3072 |
0 |
0 |
0 |
T17 |
47788 |
0 |
0 |
0 |
T26 |
34781 |
0 |
0 |
0 |
T27 |
31509 |
0 |
0 |
0 |
T46 |
0 |
133 |
0 |
0 |
T47 |
0 |
273 |
0 |
0 |
EscStateOut_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550427392 |
550357694 |
0 |
0 |
T1 |
3466 |
3375 |
0 |
0 |
T2 |
27353 |
27263 |
0 |
0 |
T3 |
41460 |
41398 |
0 |
0 |
T4 |
27925 |
27789 |
0 |
0 |
T5 |
95 |
0 |
0 |
0 |
T10 |
40283 |
40205 |
0 |
0 |
T12 |
59237 |
59164 |
0 |
0 |
T13 |
76217 |
76122 |
0 |
0 |
T14 |
4599 |
4524 |
0 |
0 |
T15 |
0 |
33142 |
0 |
0 |
T17 |
47788 |
47714 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
550407217 |
0 |
0 |
T1 |
3466 |
3375 |
0 |
0 |
T2 |
27353 |
27263 |
0 |
0 |
T3 |
41460 |
41398 |
0 |
0 |
T4 |
27925 |
27789 |
0 |
0 |
T5 |
34293 |
8407 |
0 |
0 |
T10 |
40283 |
40205 |
0 |
0 |
T12 |
59237 |
59164 |
0 |
0 |
T13 |
76217 |
76122 |
0 |
0 |
T14 |
4599 |
4524 |
0 |
0 |
T17 |
47788 |
47714 |
0 |
0 |
Line Coverage for Instance : tb.dut.gen_classes[3].u_esc_timer
| Line No. | Total | Covered | Percent |
TOTAL | | 101 | 101 | 100.00 |
CONT_ASSIGN | 85 | 1 | 1 | 100.00 |
ALWAYS | 134 | 89 | 89 | 100.00 |
CONT_ASSIGN | 292 | 1 | 1 | 100.00 |
CONT_ASSIGN | 292 | 1 | 1 | 100.00 |
CONT_ASSIGN | 292 | 1 | 1 | 100.00 |
CONT_ASSIGN | 292 | 1 | 1 | 100.00 |
CONT_ASSIGN | 295 | 1 | 1 | 100.00 |
CONT_ASSIGN | 295 | 1 | 1 | 100.00 |
CONT_ASSIGN | 295 | 1 | 1 | 100.00 |
CONT_ASSIGN | 295 | 1 | 1 | 100.00 |
ALWAYS | 305 | 3 | 3 | 100.00 |
84 logic [EscCntDw-1:0] thresh;
85 1/1 assign cnt_ge = (esc_cnt_o >= thresh);
Tests: T1 T2 T3
86
87 //////////////
88 // Main FSM //
89 //////////////
90
91 logic [N_PHASES-1:0] phase_oh;
92
93 // SEC_CM: ESC_TIMER.FSM.SPARSE
94 // Encoding generated with:
95 // $ ./util/design/sparse-fsm-encode.py -d 5 -m 8 -n 10 \
96 // -s 784905746 --language=sv
97 //
98 // Hamming distance histogram:
99 //
100 // 0: --
101 // 1: --
102 // 2: --
103 // 3: --
104 // 4: --
105 // 5: |||||||||||||||||||| (46.43%)
106 // 6: |||||||||||||||||||| (46.43%)
107 // 7: ||| (7.14%)
108 // 8: --
109 // 9: --
110 // 10: --
111 //
112 // Minimum Hamming distance: 5
113 // Maximum Hamming distance: 7
114 // Minimum Hamming weight: 3
115 // Maximum Hamming weight: 9
116 //
117 localparam int StateWidth = 10;
118 typedef enum logic [StateWidth-1:0] {
119 IdleSt = 10'b1011011010,
120 TimeoutSt = 10'b0000100110,
121 Phase0St = 10'b1110000101,
122 Phase1St = 10'b0101010100,
123 Phase2St = 10'b0000011001,
124 Phase3St = 10'b1001100001,
125 TerminalSt = 10'b1101111111,
126 FsmErrorSt = 10'b0111101000
127 } state_e;
128
129 logic fsm_error;
130 state_e state_d, state_q;
131
132 always_comb begin : p_fsm
133 // default
134 1/1 state_d = state_q;
Tests: T1 T2 T3
135 1/1 esc_state_o = Idle;
Tests: T1 T2 T3
136 1/1 cnt_en = 1'b0;
Tests: T1 T2 T3
137 1/1 cnt_clr = 1'b0;
Tests: T1 T2 T3
138 1/1 esc_trig_o = 1'b0;
Tests: T1 T2 T3
139 1/1 phase_oh = '0;
Tests: T1 T2 T3
140 1/1 thresh = timeout_cyc_i;
Tests: T1 T2 T3
141 1/1 fsm_error = 1'b0;
Tests: T1 T2 T3
142 1/1 latch_crashdump_o = 1'b0;
Tests: T1 T2 T3
143
144 1/1 unique case (state_q)
Tests: T1 T2 T3
145 // wait for an escalation trigger or an alert trigger
146 // the latter will trigger an interrupt timeout
147 IdleSt: begin
148 1/1 cnt_clr = 1'b1;
Tests: T1 T2 T3
149 1/1 esc_state_o = Idle;
Tests: T1 T2 T3
150
151 1/1 if (accu_trig_i && en_i && !clr_i) begin
Tests: T1 T2 T3
152 1/1 state_d = Phase0St;
Tests: T2 T15 T16
153 1/1 cnt_en = 1'b1;
Tests: T2 T15 T16
154 1/1 esc_trig_o = 1'b1;
Tests: T2 T15 T16
155 // the counter is zero in this state. so if the
156 // timeout count is zero (==disabled), cnt_ge will be true.
157 1/1 end else if (timeout_en_i && !cnt_ge && en_i) begin
Tests: T1 T2 T3
158 1/1 cnt_en = 1'b1;
Tests: T27 T88 T32
159 1/1 state_d = TimeoutSt;
Tests: T27 T88 T32
160 end
MISSING_ELSE
161 end
162 // we are in interrupt timeout state
163 // in case an escalation comes in, we immediately have to
164 // switch over to the first escalation phase.
165 // in case the interrupt timeout hits it's cycle count, we
166 // also enter escalation phase0.
167 // ongoing timeouts can always be cleared.
168 TimeoutSt: begin
169 1/1 esc_state_o = Timeout;
Tests: T27 T88 T32
170
171 1/1 if ((accu_trig_i && en_i && !clr_i) || (cnt_ge && timeout_en_i)) begin
Tests: T27 T88 T32
172 1/1 state_d = Phase0St;
Tests: T27 T79 T44
173 1/1 cnt_en = 1'b1;
Tests: T27 T79 T44
174 1/1 cnt_clr = 1'b1;
Tests: T27 T79 T44
175 1/1 esc_trig_o = 1'b1;
Tests: T27 T79 T44
176 // the timeout enable is connected to the irq state
177 // if that is cleared, stop the timeout counter
178 1/1 end else if (timeout_en_i) begin
Tests: T27 T88 T32
179 1/1 cnt_en = 1'b1;
Tests: T27 T88 T32
180 end else begin
181 1/1 state_d = IdleSt;
Tests: T88 T32 T89
182 1/1 cnt_clr = 1'b1;
Tests: T88 T32 T89
183 end
184 end
185 // note: autolocking the clear signal is done in the regfile
186 Phase0St: begin
187 1/1 cnt_en = 1'b1;
Tests: T2 T15 T16
188 1/1 phase_oh[0] = 1'b1;
Tests: T2 T15 T16
189 1/1 thresh = phase_cyc_i[0];
Tests: T2 T15 T16
190 1/1 esc_state_o = Phase0;
Tests: T2 T15 T16
191 1/1 latch_crashdump_o = (crashdump_phase_i == 2'b00);
Tests: T2 T15 T16
192
193 1/1 if (clr_i) begin
Tests: T2 T15 T16
194 1/1 state_d = IdleSt;
Tests: T139 T60 T140
195 1/1 cnt_clr = 1'b1;
Tests: T139 T60 T140
196 1/1 cnt_en = 1'b0;
Tests: T139 T60 T140
197 1/1 end else if (cnt_ge) begin
Tests: T2 T15 T16
198 1/1 state_d = Phase1St;
Tests: T2 T15 T16
199 1/1 cnt_clr = 1'b1;
Tests: T2 T15 T16
200 1/1 cnt_en = 1'b1;
Tests: T2 T15 T16
201 end
MISSING_ELSE
202 end
203 Phase1St: begin
204 1/1 cnt_en = 1'b1;
Tests: T2 T15 T16
205 1/1 phase_oh[1] = 1'b1;
Tests: T2 T15 T16
206 1/1 thresh = phase_cyc_i[1];
Tests: T2 T15 T16
207 1/1 esc_state_o = Phase1;
Tests: T2 T15 T16
208 1/1 latch_crashdump_o = (crashdump_phase_i == 2'b01);
Tests: T2 T15 T16
209
210 1/1 if (clr_i) begin
Tests: T2 T15 T16
211 1/1 state_d = IdleSt;
Tests: T141 T36 T142
212 1/1 cnt_clr = 1'b1;
Tests: T141 T36 T142
213 1/1 cnt_en = 1'b0;
Tests: T141 T36 T142
214 1/1 end else if (cnt_ge) begin
Tests: T2 T15 T16
215 1/1 state_d = Phase2St;
Tests: T2 T15 T16
216 1/1 cnt_clr = 1'b1;
Tests: T2 T15 T16
217 1/1 cnt_en = 1'b1;
Tests: T2 T15 T16
218 end
MISSING_ELSE
219 end
220 Phase2St: begin
221 1/1 cnt_en = 1'b1;
Tests: T2 T15 T16
222 1/1 phase_oh[2] = 1'b1;
Tests: T2 T15 T16
223 1/1 thresh = phase_cyc_i[2];
Tests: T2 T15 T16
224 1/1 esc_state_o = Phase2;
Tests: T2 T15 T16
225 1/1 latch_crashdump_o = (crashdump_phase_i == 2'b10);
Tests: T2 T15 T16
226
227
228 1/1 if (clr_i) begin
Tests: T2 T15 T16
229 1/1 state_d = IdleSt;
Tests: T143 T144 T117
230 1/1 cnt_clr = 1'b1;
Tests: T143 T144 T117
231 1/1 cnt_en = 1'b0;
Tests: T143 T144 T117
232 1/1 end else if (cnt_ge) begin
Tests: T2 T15 T16
233 1/1 state_d = Phase3St;
Tests: T2 T15 T16
234 1/1 cnt_clr = 1'b1;
Tests: T2 T15 T16
235 end
MISSING_ELSE
236 end
237 Phase3St: begin
238 1/1 cnt_en = 1'b1;
Tests: T2 T15 T16
239 1/1 phase_oh[3] = 1'b1;
Tests: T2 T15 T16
240 1/1 thresh = phase_cyc_i[3];
Tests: T2 T15 T16
241 1/1 esc_state_o = Phase3;
Tests: T2 T15 T16
242 1/1 latch_crashdump_o = (crashdump_phase_i == 2'b11);
Tests: T2 T15 T16
243
244 1/1 if (clr_i) begin
Tests: T2 T15 T16
245 1/1 state_d = IdleSt;
Tests: T110 T111 T71
246 1/1 cnt_clr = 1'b1;
Tests: T110 T111 T71
247 1/1 cnt_en = 1'b0;
Tests: T110 T111 T71
248 1/1 end else if (cnt_ge) begin
Tests: T2 T15 T16
249 1/1 state_d = TerminalSt;
Tests: T2 T15 T16
250 1/1 cnt_clr = 1'b1;
Tests: T2 T15 T16
251 1/1 cnt_en = 1'b0;
Tests: T2 T15 T16
252 end
MISSING_ELSE
253 end
254 // final, terminal state after escalation.
255 // if clr is locked down, only a system reset
256 // will get us out of this state
257 TerminalSt: begin
258 1/1 cnt_clr = 1'b1;
Tests: T2 T15 T16
259 1/1 esc_state_o = Terminal;
Tests: T2 T15 T16
260 1/1 if (clr_i) begin
Tests: T2 T15 T16
261 1/1 state_d = IdleSt;
Tests: T2 T52 T79
262 end
MISSING_ELSE
263 end
264 // error state, only reached if the FSM has been
265 // glitched. in this state, we trigger all escalation
266 // actions at once.
267 FsmErrorSt: begin
268 1/1 esc_state_o = FsmError;
Tests: T5 T6 T9
269 1/1 fsm_error = 1'b1;
Tests: T5 T6 T9
270 end
271 // SEC_CM: ESC_TIMER.FSM.LOCAL_ESC
272 // catch glitches.
273 default: begin
274 state_d = FsmErrorSt;
275 esc_state_o = FsmError;
276 fsm_error = 1'b1;
277 end
278 endcase
279
280 // SEC_CM: ESC_TIMER.FSM.LOCAL_ESC
281 // if any of the duplicate counter pairs has an inconsistent state
282 // we move into the terminal FSM error state.
283 1/1 if (accu_fail_i || cnt_error) begin
Tests: T1 T2 T3
284 1/1 state_d = FsmErrorSt;
Tests: T5 T6 T9
285 1/1 fsm_error = 1'b1;
Tests: T5 T6 T9
286 end
MISSING_ELSE
287 end
288
289 logic [N_ESC_SEV-1:0][N_PHASES-1:0] esc_map_oh;
290 for (genvar k = 0; k < N_ESC_SEV; k++) begin : gen_phase_map
291 // generate configuration mask for escalation enable signals
292 4/4 assign esc_map_oh[k] = N_ESC_SEV'(esc_en_i[k]) << esc_map_i[k];
Tests: T1 T2 T3 | T1 T2 T3 | T1 T2 T3 | T1 T2 T3
293 // mask reduce current phase state vector
294 // SEC_CM: ESC_TIMER.FSM.GLOBAL_ESC
295 4/4 assign esc_sig_req_o[k] = |(esc_map_oh[k] & phase_oh) | fsm_error;
Tests: T1 T2 T3 | T1 T2 T3 | T1 T2 T3 | T1 T2 T3
296 end
297
298 ///////////////////
299 // FSM Registers //
300 ///////////////////
301
302 // The alert handler behaves differently than other comportable IP. I.e., instead of sending out
303 // an alert signal, this condition is handled internally in the alert handler. The
304 // EnableAlertTriggerSVA parameter is therefore set to 0.
305 3/3 `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, IdleSt, clk_i, rst_ni, 0)
Tests: T1 T2 T3 | T1 T2 T3 | T1 T2 T3
PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, IdleSt, clk_i, rst_ni, 0):
305.1 `ifdef SIMULATION
305.2 prim_sparse_fsm_flop #(
305.3 .StateEnumT(state_e),
305.4 .Width($bits(state_e)),
305.5 .ResetValue($bits(state_e)'(IdleSt)),
305.6 .EnableAlertTriggerSVA(0),
305.7 .CustomForceName("state_q")
305.8 ) u_state_regs (
305.9 .clk_i ( clk_i ),
305.10 .rst_ni ( rst_ni ),
305.11 .state_i ( state_d ),
305.12 .state_o ( )
305.13 );
305.14 always_ff @(posedge clk_i or negedge rst_ni) begin
305.15 1/1 if (!rst_ni) begin
Tests: T1 T2 T3
305.16 1/1 state_q <= IdleSt;
Tests: T1 T2 T3
305.17 end else begin
305.18 1/1 state_q <= state_d;
Tests: T1 T2 T3
305.19 end
305.20 end
305.21 u_state_regs_A: assert property (@(posedge clk_i) disable iff ((!rst_ni) !== '0) (state_q === u_state_regs.state_o))
305.22 else begin
305.23 `ifdef UVM
305.24 uvm_pkg::uvm_report_error("ASSERT FAILED", "u_state_regs_A", uvm_pkg::UVM_NONE,
305.25 "../src/lowrisc_ip_alert_handler_component_0.1/rtl/alert_handler_esc_timer.sv", 305, "", 1);
305.26 `else
305.27 $error("%0t: (%0s:%0d) [%m] [ASSERT FAILED] %0s", $time, `__FILE__, `__LINE__,
305.28 `PRIM_STRINGIFY(u_state_regs_A));
305.29 `endif
305.30 end
305.31 `else
305.32 prim_sparse_fsm_flop #(
305.33 .StateEnumT(state_e),
305.34 .Width($bits(state_e)),
305.35 .ResetValue($bits(state_e)'(IdleSt)),
305.36 .EnableAlertTriggerSVA(0)
305.37 ) u_state_regs (
305.38 .clk_i ( clk_i ),
305.39 .rst_ni ( rst_ni ),
305.40 .state_i ( state_d ),
305.41 .state_o ( state_q )
305.42 );
305.43 `endif
Cond Coverage for Instance : tb.dut.gen_classes[3].u_esc_timer
| Total | Covered | Percent |
Conditions | 45 | 42 | 93.33 |
Logical | 45 | 42 | 93.33 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 66
EXPRESSION (cnt_clr && ((!cnt_en)))
---1--- -----2-----
-1- | -2- | Status | Tests |
0 | 1 | Covered | T5,T6,T9 |
1 | 0 | Covered | T2,T15,T16 |
1 | 1 | Covered | T1,T2,T3 |
LINE 66
EXPRESSION (cnt_clr && cnt_en)
---1--- ---2--
-1- | -2- | Status | Tests |
0 | 1 | Covered | T2,T15,T27 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T2,T15,T16 |
LINE 151
EXPRESSION (accu_trig_i && en_i && ((!clr_i)))
-----1----- --2- -----3----
-1- | -2- | -3- | Status | Tests | Exclude Annotation |
0 | 1 | 1 | Covered | T1,T2,T13 |
1 | 0 | 1 | Excluded | |
VC_COV_UNR |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T2,T15,T16 |
LINE 157
EXPRESSION (timeout_en_i && ((!cnt_ge)) && en_i)
------1----- -----2----- --3-
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T2,T13,T27 |
1 | 0 | 1 | Covered | T2,T16,T92 |
1 | 1 | 0 | Covered | T2,T3,T13 |
1 | 1 | 1 | Covered | T27,T88,T32 |
LINE 171
EXPRESSION ((accu_trig_i && en_i && ((!clr_i))) || (cnt_ge && timeout_en_i))
-----------------1----------------- ------------2-----------
-1- | -2- | Status | Tests |
0 | 0 | Covered | T27,T88,T32 |
0 | 1 | Covered | T27,T79,T44 |
1 | 0 | Covered | T83,T30,T140 |
LINE 171
SUB-EXPRESSION (accu_trig_i && en_i && ((!clr_i)))
-----1----- --2- -----3----
-1- | -2- | -3- | Status | Tests | Exclude Annotation |
0 | 1 | 1 | Covered | T27,T88,T32 |
1 | 0 | 1 | Excluded | |
VC_COV_UNR |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T83,T30,T140 |
LINE 171
SUB-EXPRESSION (cnt_ge && timeout_en_i)
---1-- ------2-----
-1- | -2- | Status | Tests |
0 | 1 | Covered | T27,T88,T32 |
1 | 0 | Not Covered | |
1 | 1 | Covered | T27,T79,T44 |
LINE 191
EXPRESSION (crashdump_phase_i == 2'b0)
-------------1-------------
-1- | Status | Tests |
0 | Covered | T2,T15,T27 |
1 | Covered | T2,T16,T49 |
LINE 208
EXPRESSION (crashdump_phase_i == 2'b1)
-------------1-------------
-1- | Status | Tests |
0 | Covered | T2,T16,T49 |
1 | Covered | T15,T27,T40 |
LINE 225
EXPRESSION (crashdump_phase_i == 2'b10)
--------------1-------------
-1- | Status | Tests |
0 | Covered | T2,T15,T16 |
1 | Covered | T44,T83,T91 |
LINE 242
EXPRESSION (crashdump_phase_i == 2'b11)
--------------1-------------
-1- | Status | Tests |
0 | Covered | T2,T15,T16 |
1 | Covered | T2,T52,T32 |
LINE 283
EXPRESSION (accu_fail_i || cnt_error)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T5,T6,T9 |
1 | 0 | Covered | T5,T6,T9 |
LINE 295
EXPRESSION (((|(esc_map_oh[0] & phase_oh))) | fsm_error)
---------------1--------------- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T5,T6,T9 |
1 | 0 | Covered | T2,T16,T49 |
LINE 295
EXPRESSION (((|(esc_map_oh[1] & phase_oh))) | fsm_error)
---------------1--------------- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T5,T6,T9 |
1 | 0 | Covered | T15,T16,T27 |
LINE 295
EXPRESSION (((|(esc_map_oh[2] & phase_oh))) | fsm_error)
---------------1--------------- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T5,T6,T9 |
1 | 0 | Covered | T2,T15,T16 |
LINE 295
EXPRESSION (((|(esc_map_oh[3] & phase_oh))) | fsm_error)
---------------1--------------- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T5,T6,T9 |
1 | 0 | Covered | T15,T16,T27 |
FSM Coverage for Instance : tb.dut.gen_classes[3].u_esc_timer
Summary for FSM :: state_q
| Total | Covered | Percent | |
States |
8 |
8 |
100.00 |
(Not included in score) |
Transitions |
14 |
14 |
100.00 |
|
Sequences |
0 |
0 |
|
|
State, Transition and Sequence Details for FSM :: state_q
states | Line No. | Covered | Tests |
FsmErrorSt |
284 |
Covered |
T5,T6,T9 |
IdleSt |
181 |
Covered |
T1,T2,T3 |
Phase0St |
152 |
Covered |
T2,T15,T16 |
Phase1St |
198 |
Covered |
T2,T15,T16 |
Phase2St |
215 |
Covered |
T2,T15,T16 |
Phase3St |
233 |
Covered |
T2,T15,T16 |
TerminalSt |
249 |
Covered |
T2,T15,T16 |
TimeoutSt |
159 |
Covered |
T27,T88,T32 |
transitions | Line No. | Covered | Tests | Exclude Annotation |
IdleSt->FsmErrorSt |
284 |
Covered |
T5,T6,T9 |
|
IdleSt->Phase0St |
152 |
Covered |
T2,T15,T16 |
|
IdleSt->TimeoutSt |
159 |
Covered |
T27,T88,T32 |
|
Phase0St->FsmErrorSt |
284 |
Excluded |
|
[LOW_RISK]: Forcing from any state other than IdleSt to FSMErrorSt is covered in FPV. |
Phase0St->IdleSt |
194 |
Covered |
T30,T139,T60 |
|
Phase0St->Phase1St |
198 |
Covered |
T2,T15,T16 |
|
Phase1St->FsmErrorSt |
284 |
Excluded |
|
[LOW_RISK]: Forcing from any state other than IdleSt to FSMErrorSt is covered in FPV. |
Phase1St->IdleSt |
211 |
Covered |
T141,T36,T142 |
|
Phase1St->Phase2St |
215 |
Covered |
T2,T15,T16 |
|
Phase2St->FsmErrorSt |
284 |
Excluded |
|
[LOW_RISK]: Forcing from any state other than IdleSt to FSMErrorSt is covered in FPV. |
Phase2St->IdleSt |
229 |
Covered |
T143,T144,T117 |
|
Phase2St->Phase3St |
233 |
Covered |
T2,T15,T16 |
|
Phase3St->FsmErrorSt |
284 |
Excluded |
|
[LOW_RISK]: Forcing from any state other than IdleSt to FSMErrorSt is covered in FPV. |
Phase3St->IdleSt |
245 |
Covered |
T110,T111,T71 |
|
Phase3St->TerminalSt |
249 |
Covered |
T2,T15,T16 |
|
TerminalSt->FsmErrorSt |
284 |
Excluded |
|
[LOW_RISK]: Forcing from any state other than IdleSt to FSMErrorSt is covered in FPV. |
TerminalSt->IdleSt |
261 |
Covered |
T2,T52,T79 |
|
TimeoutSt->FsmErrorSt |
284 |
Excluded |
|
[LOW_RISK]: Forcing from any state other than IdleSt to FSMErrorSt is covered in FPV. |
TimeoutSt->IdleSt |
181 |
Covered |
T88,T32,T89 |
|
TimeoutSt->Phase0St |
172 |
Covered |
T27,T79,T44 |
|
Branch Coverage for Instance : tb.dut.gen_classes[3].u_esc_timer
| Line No. | Total | Covered | Percent |
Branches |
|
26 |
26 |
100.00 |
CASE |
144 |
22 |
22 |
100.00 |
IF |
283 |
2 |
2 |
100.00 |
IF |
305 |
2 |
2 |
100.00 |
144 unique case (state_q)
-1-
145 // wait for an escalation trigger or an alert trigger
146 // the latter will trigger an interrupt timeout
147 IdleSt: begin
148 cnt_clr = 1'b1;
149 esc_state_o = Idle;
150
151 if (accu_trig_i && en_i && !clr_i) begin
-2-
152 state_d = Phase0St;
==>
153 cnt_en = 1'b1;
154 esc_trig_o = 1'b1;
155 // the counter is zero in this state. so if the
156 // timeout count is zero (==disabled), cnt_ge will be true.
157 end else if (timeout_en_i && !cnt_ge && en_i) begin
-3-
158 cnt_en = 1'b1;
==>
159 state_d = TimeoutSt;
160 end
MISSING_ELSE
==>
161 end
162 // we are in interrupt timeout state
163 // in case an escalation comes in, we immediately have to
164 // switch over to the first escalation phase.
165 // in case the interrupt timeout hits it's cycle count, we
166 // also enter escalation phase0.
167 // ongoing timeouts can always be cleared.
168 TimeoutSt: begin
169 esc_state_o = Timeout;
170
171 if ((accu_trig_i && en_i && !clr_i) || (cnt_ge && timeout_en_i)) begin
-4-
172 state_d = Phase0St;
==>
173 cnt_en = 1'b1;
174 cnt_clr = 1'b1;
175 esc_trig_o = 1'b1;
176 // the timeout enable is connected to the irq state
177 // if that is cleared, stop the timeout counter
178 end else if (timeout_en_i) begin
-5-
179 cnt_en = 1'b1;
==>
180 end else begin
181 state_d = IdleSt;
==>
182 cnt_clr = 1'b1;
183 end
184 end
185 // note: autolocking the clear signal is done in the regfile
186 Phase0St: begin
187 cnt_en = 1'b1;
188 phase_oh[0] = 1'b1;
189 thresh = phase_cyc_i[0];
190 esc_state_o = Phase0;
191 latch_crashdump_o = (crashdump_phase_i == 2'b00);
192
193 if (clr_i) begin
-6-
194 state_d = IdleSt;
==>
195 cnt_clr = 1'b1;
196 cnt_en = 1'b0;
197 end else if (cnt_ge) begin
-7-
198 state_d = Phase1St;
==>
199 cnt_clr = 1'b1;
200 cnt_en = 1'b1;
201 end
MISSING_ELSE
==>
202 end
203 Phase1St: begin
204 cnt_en = 1'b1;
205 phase_oh[1] = 1'b1;
206 thresh = phase_cyc_i[1];
207 esc_state_o = Phase1;
208 latch_crashdump_o = (crashdump_phase_i == 2'b01);
209
210 if (clr_i) begin
-8-
211 state_d = IdleSt;
==>
212 cnt_clr = 1'b1;
213 cnt_en = 1'b0;
214 end else if (cnt_ge) begin
-9-
215 state_d = Phase2St;
==>
216 cnt_clr = 1'b1;
217 cnt_en = 1'b1;
218 end
MISSING_ELSE
==>
219 end
220 Phase2St: begin
221 cnt_en = 1'b1;
222 phase_oh[2] = 1'b1;
223 thresh = phase_cyc_i[2];
224 esc_state_o = Phase2;
225 latch_crashdump_o = (crashdump_phase_i == 2'b10);
226
227
228 if (clr_i) begin
-10-
229 state_d = IdleSt;
==>
230 cnt_clr = 1'b1;
231 cnt_en = 1'b0;
232 end else if (cnt_ge) begin
-11-
233 state_d = Phase3St;
==>
234 cnt_clr = 1'b1;
235 end
MISSING_ELSE
==>
236 end
237 Phase3St: begin
238 cnt_en = 1'b1;
239 phase_oh[3] = 1'b1;
240 thresh = phase_cyc_i[3];
241 esc_state_o = Phase3;
242 latch_crashdump_o = (crashdump_phase_i == 2'b11);
243
244 if (clr_i) begin
-12-
245 state_d = IdleSt;
==>
246 cnt_clr = 1'b1;
247 cnt_en = 1'b0;
248 end else if (cnt_ge) begin
-13-
249 state_d = TerminalSt;
==>
250 cnt_clr = 1'b1;
251 cnt_en = 1'b0;
252 end
MISSING_ELSE
==>
253 end
254 // final, terminal state after escalation.
255 // if clr is locked down, only a system reset
256 // will get us out of this state
257 TerminalSt: begin
258 cnt_clr = 1'b1;
259 esc_state_o = Terminal;
260 if (clr_i) begin
-14-
261 state_d = IdleSt;
==>
262 end
MISSING_ELSE
==>
263 end
264 // error state, only reached if the FSM has been
265 // glitched. in this state, we trigger all escalation
266 // actions at once.
267 FsmErrorSt: begin
268 esc_state_o = FsmError;
==>
269 fsm_error = 1'b1;
270 end
271 // SEC_CM: ESC_TIMER.FSM.LOCAL_ESC
272 // catch glitches.
273 default: begin
274 state_d = FsmErrorSt;
==>
Branches:
-1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | Status | Tests |
IdleSt |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T2,T15,T16 |
IdleSt |
0 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T27,T88,T32 |
IdleSt |
0 |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
TimeoutSt |
- |
- |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T27,T79,T44 |
TimeoutSt |
- |
- |
0 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T27,T88,T32 |
TimeoutSt |
- |
- |
0 |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T88,T32,T89 |
Phase0St |
- |
- |
- |
- |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T139,T60,T140 |
Phase0St |
- |
- |
- |
- |
0 |
1 |
- |
- |
- |
- |
- |
- |
- |
Covered |
T2,T15,T16 |
Phase0St |
- |
- |
- |
- |
0 |
0 |
- |
- |
- |
- |
- |
- |
- |
Covered |
T2,T15,T27 |
Phase1St |
- |
- |
- |
- |
- |
- |
1 |
- |
- |
- |
- |
- |
- |
Covered |
T141,T36,T142 |
Phase1St |
- |
- |
- |
- |
- |
- |
0 |
1 |
- |
- |
- |
- |
- |
Covered |
T2,T15,T16 |
Phase1St |
- |
- |
- |
- |
- |
- |
0 |
0 |
- |
- |
- |
- |
- |
Covered |
T2,T15,T27 |
Phase2St |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
- |
- |
- |
- |
Covered |
T143,T144,T117 |
Phase2St |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
1 |
- |
- |
- |
Covered |
T2,T15,T16 |
Phase2St |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
0 |
- |
- |
- |
Covered |
T2,T15,T27 |
Phase3St |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
- |
- |
Covered |
T110,T111,T71 |
Phase3St |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
1 |
- |
Covered |
T2,T15,T16 |
Phase3St |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
0 |
- |
Covered |
T2,T15,T27 |
TerminalSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
Covered |
T2,T52,T79 |
TerminalSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
Covered |
T2,T15,T16 |
FsmErrorSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T5,T6,T9 |
default |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T5,T6,T9 |
283 if (accu_fail_i || cnt_error) begin
-1-
284 state_d = FsmErrorSt;
==>
285 fsm_error = 1'b1;
286 end
MISSING_ELSE
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T5,T6,T9 |
0 |
Covered |
T1,T2,T3 |
305 `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, IdleSt, clk_i, rst_ni, 0)
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.gen_classes[3].u_esc_timer
Assertion Details
AccuFailToFsmError_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
220 |
0 |
0 |
T5 |
34293 |
84 |
0 |
0 |
T6 |
23610 |
27 |
0 |
0 |
T7 |
61075 |
0 |
0 |
0 |
T9 |
0 |
34 |
0 |
0 |
T11 |
49557 |
0 |
0 |
0 |
T14 |
4599 |
0 |
0 |
0 |
T15 |
33239 |
0 |
0 |
0 |
T16 |
3072 |
0 |
0 |
0 |
T17 |
47788 |
0 |
0 |
0 |
T26 |
34781 |
0 |
0 |
0 |
T27 |
31509 |
0 |
0 |
0 |
T46 |
0 |
27 |
0 |
0 |
T47 |
0 |
48 |
0 |
0 |
CheckAccumTrig0_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
478 |
0 |
0 |
T2 |
27353 |
2 |
0 |
0 |
T3 |
41460 |
0 |
0 |
0 |
T4 |
27925 |
0 |
0 |
0 |
T5 |
34293 |
0 |
0 |
0 |
T10 |
40283 |
0 |
0 |
0 |
T12 |
59237 |
0 |
0 |
0 |
T13 |
76217 |
0 |
0 |
0 |
T14 |
4599 |
0 |
0 |
0 |
T15 |
33239 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
47788 |
0 |
0 |
0 |
T32 |
0 |
1 |
0 |
0 |
T40 |
0 |
1 |
0 |
0 |
T49 |
0 |
1 |
0 |
0 |
T52 |
0 |
2 |
0 |
0 |
T53 |
0 |
1 |
0 |
0 |
T92 |
0 |
1 |
0 |
0 |
T141 |
0 |
1 |
0 |
0 |
CheckAccumTrig1_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
28 |
0 |
0 |
T28 |
66170 |
0 |
0 |
0 |
T30 |
0 |
1 |
0 |
0 |
T33 |
9348 |
0 |
0 |
0 |
T71 |
0 |
4 |
0 |
0 |
T83 |
28277 |
1 |
0 |
0 |
T84 |
18419 |
0 |
0 |
0 |
T91 |
42502 |
0 |
0 |
0 |
T93 |
55696 |
0 |
0 |
0 |
T106 |
0 |
2 |
0 |
0 |
T140 |
0 |
1 |
0 |
0 |
T145 |
0 |
1 |
0 |
0 |
T146 |
0 |
1 |
0 |
0 |
T147 |
0 |
1 |
0 |
0 |
T148 |
0 |
1 |
0 |
0 |
T149 |
0 |
2 |
0 |
0 |
T150 |
49221 |
0 |
0 |
0 |
T151 |
64441 |
0 |
0 |
0 |
T152 |
4872 |
0 |
0 |
0 |
T153 |
5776 |
0 |
0 |
0 |
CheckClr_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
231 |
0 |
0 |
T2 |
27353 |
1 |
0 |
0 |
T3 |
41460 |
0 |
0 |
0 |
T4 |
27925 |
0 |
0 |
0 |
T5 |
34293 |
0 |
0 |
0 |
T10 |
40283 |
0 |
0 |
0 |
T12 |
59237 |
0 |
0 |
0 |
T13 |
76217 |
0 |
0 |
0 |
T14 |
4599 |
0 |
0 |
0 |
T15 |
33239 |
0 |
0 |
0 |
T17 |
47788 |
0 |
0 |
0 |
T29 |
0 |
1 |
0 |
0 |
T35 |
0 |
1 |
0 |
0 |
T44 |
0 |
1 |
0 |
0 |
T52 |
0 |
2 |
0 |
0 |
T79 |
0 |
1 |
0 |
0 |
T83 |
0 |
1 |
0 |
0 |
T94 |
0 |
1 |
0 |
0 |
T141 |
0 |
1 |
0 |
0 |
T154 |
0 |
2 |
0 |
0 |
CheckEn_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550428711 |
238906740 |
0 |
0 |
T1 |
3466 |
2849 |
0 |
0 |
T2 |
27353 |
8341 |
0 |
0 |
T3 |
41460 |
41397 |
0 |
0 |
T4 |
27925 |
27787 |
0 |
0 |
T5 |
343 |
247 |
0 |
0 |
T10 |
40283 |
40204 |
0 |
0 |
T12 |
59237 |
59163 |
0 |
0 |
T13 |
76217 |
69692 |
0 |
0 |
T14 |
4599 |
3276 |
0 |
0 |
T17 |
47788 |
47713 |
0 |
0 |
CheckPhase0_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
531 |
0 |
0 |
T2 |
27353 |
2 |
0 |
0 |
T3 |
41460 |
0 |
0 |
0 |
T4 |
27925 |
0 |
0 |
0 |
T5 |
34293 |
0 |
0 |
0 |
T10 |
40283 |
0 |
0 |
0 |
T12 |
59237 |
0 |
0 |
0 |
T13 |
76217 |
0 |
0 |
0 |
T14 |
4599 |
0 |
0 |
0 |
T15 |
33239 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
47788 |
0 |
0 |
0 |
T27 |
0 |
1 |
0 |
0 |
T32 |
0 |
1 |
0 |
0 |
T40 |
0 |
1 |
0 |
0 |
T49 |
0 |
1 |
0 |
0 |
T52 |
0 |
2 |
0 |
0 |
T92 |
0 |
1 |
0 |
0 |
T141 |
0 |
1 |
0 |
0 |
CheckPhase1_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
524 |
0 |
0 |
T2 |
27353 |
2 |
0 |
0 |
T3 |
41460 |
0 |
0 |
0 |
T4 |
27925 |
0 |
0 |
0 |
T5 |
34293 |
0 |
0 |
0 |
T10 |
40283 |
0 |
0 |
0 |
T12 |
59237 |
0 |
0 |
0 |
T13 |
76217 |
0 |
0 |
0 |
T14 |
4599 |
0 |
0 |
0 |
T15 |
33239 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
47788 |
0 |
0 |
0 |
T27 |
0 |
1 |
0 |
0 |
T32 |
0 |
1 |
0 |
0 |
T40 |
0 |
1 |
0 |
0 |
T49 |
0 |
1 |
0 |
0 |
T52 |
0 |
2 |
0 |
0 |
T53 |
0 |
1 |
0 |
0 |
T92 |
0 |
1 |
0 |
0 |
CheckPhase2_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
517 |
0 |
0 |
T2 |
27353 |
2 |
0 |
0 |
T3 |
41460 |
0 |
0 |
0 |
T4 |
27925 |
0 |
0 |
0 |
T5 |
34293 |
0 |
0 |
0 |
T10 |
40283 |
0 |
0 |
0 |
T12 |
59237 |
0 |
0 |
0 |
T13 |
76217 |
0 |
0 |
0 |
T14 |
4599 |
0 |
0 |
0 |
T15 |
33239 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
47788 |
0 |
0 |
0 |
T27 |
0 |
1 |
0 |
0 |
T32 |
0 |
1 |
0 |
0 |
T40 |
0 |
1 |
0 |
0 |
T49 |
0 |
1 |
0 |
0 |
T52 |
0 |
2 |
0 |
0 |
T53 |
0 |
1 |
0 |
0 |
T92 |
0 |
1 |
0 |
0 |
CheckPhase3_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
503 |
0 |
0 |
T2 |
27353 |
2 |
0 |
0 |
T3 |
41460 |
0 |
0 |
0 |
T4 |
27925 |
0 |
0 |
0 |
T5 |
34293 |
0 |
0 |
0 |
T10 |
40283 |
0 |
0 |
0 |
T12 |
59237 |
0 |
0 |
0 |
T13 |
76217 |
0 |
0 |
0 |
T14 |
4599 |
0 |
0 |
0 |
T15 |
33239 |
1 |
0 |
0 |
T16 |
0 |
1 |
0 |
0 |
T17 |
47788 |
0 |
0 |
0 |
T27 |
0 |
1 |
0 |
0 |
T32 |
0 |
1 |
0 |
0 |
T40 |
0 |
1 |
0 |
0 |
T49 |
0 |
1 |
0 |
0 |
T52 |
0 |
2 |
0 |
0 |
T53 |
0 |
1 |
0 |
0 |
T92 |
0 |
1 |
0 |
0 |
CheckTimeout0_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
744 |
0 |
0 |
T7 |
61075 |
0 |
0 |
0 |
T8 |
47065 |
0 |
0 |
0 |
T9 |
24025 |
0 |
0 |
0 |
T27 |
31509 |
1 |
0 |
0 |
T31 |
56799 |
0 |
0 |
0 |
T32 |
0 |
1 |
0 |
0 |
T43 |
78983 |
0 |
0 |
0 |
T44 |
0 |
1 |
0 |
0 |
T48 |
8812 |
0 |
0 |
0 |
T49 |
17911 |
0 |
0 |
0 |
T76 |
0 |
8 |
0 |
0 |
T79 |
0 |
1 |
0 |
0 |
T83 |
0 |
3 |
0 |
0 |
T88 |
14691 |
1 |
0 |
0 |
T89 |
0 |
3 |
0 |
0 |
T90 |
0 |
9 |
0 |
0 |
T91 |
0 |
2 |
0 |
0 |
T92 |
1151 |
0 |
0 |
0 |
CheckTimeoutSt1_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
89531 |
0 |
0 |
T7 |
61075 |
0 |
0 |
0 |
T8 |
47065 |
0 |
0 |
0 |
T9 |
24025 |
0 |
0 |
0 |
T27 |
31509 |
72 |
0 |
0 |
T31 |
56799 |
0 |
0 |
0 |
T32 |
0 |
76 |
0 |
0 |
T43 |
78983 |
0 |
0 |
0 |
T44 |
0 |
24 |
0 |
0 |
T48 |
8812 |
0 |
0 |
0 |
T49 |
17911 |
0 |
0 |
0 |
T76 |
0 |
911 |
0 |
0 |
T79 |
0 |
50 |
0 |
0 |
T83 |
0 |
181 |
0 |
0 |
T88 |
14691 |
53 |
0 |
0 |
T89 |
0 |
409 |
0 |
0 |
T90 |
0 |
1226 |
0 |
0 |
T91 |
0 |
264 |
0 |
0 |
T92 |
1151 |
0 |
0 |
0 |
CheckTimeoutSt2_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
670 |
0 |
0 |
T21 |
20548 |
0 |
0 |
0 |
T32 |
76307 |
1 |
0 |
0 |
T46 |
15523 |
0 |
0 |
0 |
T50 |
138148 |
0 |
0 |
0 |
T51 |
23067 |
0 |
0 |
0 |
T52 |
35807 |
0 |
0 |
0 |
T76 |
0 |
8 |
0 |
0 |
T83 |
0 |
1 |
0 |
0 |
T88 |
14691 |
1 |
0 |
0 |
T89 |
48333 |
3 |
0 |
0 |
T90 |
0 |
9 |
0 |
0 |
T91 |
0 |
1 |
0 |
0 |
T93 |
0 |
4 |
0 |
0 |
T95 |
0 |
9 |
0 |
0 |
T97 |
0 |
25 |
0 |
0 |
T137 |
9306 |
0 |
0 |
0 |
T138 |
3860 |
0 |
0 |
0 |
CheckTimeoutStTrig_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
42 |
0 |
0 |
T7 |
61075 |
0 |
0 |
0 |
T8 |
47065 |
0 |
0 |
0 |
T9 |
24025 |
0 |
0 |
0 |
T27 |
31509 |
1 |
0 |
0 |
T31 |
56799 |
0 |
0 |
0 |
T43 |
78983 |
0 |
0 |
0 |
T44 |
0 |
1 |
0 |
0 |
T48 |
8812 |
0 |
0 |
0 |
T49 |
17911 |
0 |
0 |
0 |
T58 |
0 |
1 |
0 |
0 |
T60 |
0 |
1 |
0 |
0 |
T79 |
0 |
1 |
0 |
0 |
T83 |
0 |
1 |
0 |
0 |
T88 |
14691 |
0 |
0 |
0 |
T91 |
0 |
1 |
0 |
0 |
T92 |
1151 |
0 |
0 |
0 |
T94 |
0 |
1 |
0 |
0 |
T101 |
0 |
1 |
0 |
0 |
T155 |
0 |
1 |
0 |
0 |
ErrorStAllEscAsserted_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
1194 |
0 |
0 |
T5 |
34293 |
378 |
0 |
0 |
T6 |
23610 |
161 |
0 |
0 |
T7 |
61075 |
0 |
0 |
0 |
T9 |
0 |
191 |
0 |
0 |
T11 |
49557 |
0 |
0 |
0 |
T14 |
4599 |
0 |
0 |
0 |
T15 |
33239 |
0 |
0 |
0 |
T16 |
3072 |
0 |
0 |
0 |
T17 |
47788 |
0 |
0 |
0 |
T26 |
34781 |
0 |
0 |
0 |
T27 |
31509 |
0 |
0 |
0 |
T46 |
0 |
175 |
0 |
0 |
T47 |
0 |
289 |
0 |
0 |
ErrorStIsTerminal_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
984 |
0 |
0 |
T5 |
34293 |
318 |
0 |
0 |
T6 |
23610 |
131 |
0 |
0 |
T7 |
61075 |
0 |
0 |
0 |
T9 |
0 |
161 |
0 |
0 |
T11 |
49557 |
0 |
0 |
0 |
T14 |
4599 |
0 |
0 |
0 |
T15 |
33239 |
0 |
0 |
0 |
T16 |
3072 |
0 |
0 |
0 |
T17 |
47788 |
0 |
0 |
0 |
T26 |
34781 |
0 |
0 |
0 |
T27 |
31509 |
0 |
0 |
0 |
T46 |
0 |
145 |
0 |
0 |
T47 |
0 |
229 |
0 |
0 |
EscStateOut_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550427392 |
550357694 |
0 |
0 |
T1 |
3466 |
3375 |
0 |
0 |
T2 |
27353 |
27263 |
0 |
0 |
T3 |
41460 |
41398 |
0 |
0 |
T4 |
27925 |
27789 |
0 |
0 |
T5 |
95 |
0 |
0 |
0 |
T10 |
40283 |
40205 |
0 |
0 |
T12 |
59237 |
59164 |
0 |
0 |
T13 |
76217 |
76122 |
0 |
0 |
T14 |
4599 |
4524 |
0 |
0 |
T15 |
0 |
33142 |
0 |
0 |
T17 |
47788 |
47714 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
550407217 |
0 |
0 |
T1 |
3466 |
3375 |
0 |
0 |
T2 |
27353 |
27263 |
0 |
0 |
T3 |
41460 |
41398 |
0 |
0 |
T4 |
27925 |
27789 |
0 |
0 |
T5 |
34293 |
8407 |
0 |
0 |
T10 |
40283 |
40205 |
0 |
0 |
T12 |
59237 |
59164 |
0 |
0 |
T13 |
76217 |
76122 |
0 |
0 |
T14 |
4599 |
4524 |
0 |
0 |
T17 |
47788 |
47714 |
0 |
0 |
Line Coverage for Instance : tb.dut.gen_classes[0].u_esc_timer
| Line No. | Total | Covered | Percent |
TOTAL | | 101 | 101 | 100.00 |
CONT_ASSIGN | 85 | 1 | 1 | 100.00 |
ALWAYS | 134 | 89 | 89 | 100.00 |
CONT_ASSIGN | 292 | 1 | 1 | 100.00 |
CONT_ASSIGN | 292 | 1 | 1 | 100.00 |
CONT_ASSIGN | 292 | 1 | 1 | 100.00 |
CONT_ASSIGN | 292 | 1 | 1 | 100.00 |
CONT_ASSIGN | 295 | 1 | 1 | 100.00 |
CONT_ASSIGN | 295 | 1 | 1 | 100.00 |
CONT_ASSIGN | 295 | 1 | 1 | 100.00 |
CONT_ASSIGN | 295 | 1 | 1 | 100.00 |
ALWAYS | 305 | 3 | 3 | 100.00 |
84 logic [EscCntDw-1:0] thresh;
85 1/1 assign cnt_ge = (esc_cnt_o >= thresh);
Tests: T1 T2 T3
86
87 //////////////
88 // Main FSM //
89 //////////////
90
91 logic [N_PHASES-1:0] phase_oh;
92
93 // SEC_CM: ESC_TIMER.FSM.SPARSE
94 // Encoding generated with:
95 // $ ./util/design/sparse-fsm-encode.py -d 5 -m 8 -n 10 \
96 // -s 784905746 --language=sv
97 //
98 // Hamming distance histogram:
99 //
100 // 0: --
101 // 1: --
102 // 2: --
103 // 3: --
104 // 4: --
105 // 5: |||||||||||||||||||| (46.43%)
106 // 6: |||||||||||||||||||| (46.43%)
107 // 7: ||| (7.14%)
108 // 8: --
109 // 9: --
110 // 10: --
111 //
112 // Minimum Hamming distance: 5
113 // Maximum Hamming distance: 7
114 // Minimum Hamming weight: 3
115 // Maximum Hamming weight: 9
116 //
117 localparam int StateWidth = 10;
118 typedef enum logic [StateWidth-1:0] {
119 IdleSt = 10'b1011011010,
120 TimeoutSt = 10'b0000100110,
121 Phase0St = 10'b1110000101,
122 Phase1St = 10'b0101010100,
123 Phase2St = 10'b0000011001,
124 Phase3St = 10'b1001100001,
125 TerminalSt = 10'b1101111111,
126 FsmErrorSt = 10'b0111101000
127 } state_e;
128
129 logic fsm_error;
130 state_e state_d, state_q;
131
132 always_comb begin : p_fsm
133 // default
134 1/1 state_d = state_q;
Tests: T1 T2 T3
135 1/1 esc_state_o = Idle;
Tests: T1 T2 T3
136 1/1 cnt_en = 1'b0;
Tests: T1 T2 T3
137 1/1 cnt_clr = 1'b0;
Tests: T1 T2 T3
138 1/1 esc_trig_o = 1'b0;
Tests: T1 T2 T3
139 1/1 phase_oh = '0;
Tests: T1 T2 T3
140 1/1 thresh = timeout_cyc_i;
Tests: T1 T2 T3
141 1/1 fsm_error = 1'b0;
Tests: T1 T2 T3
142 1/1 latch_crashdump_o = 1'b0;
Tests: T1 T2 T3
143
144 1/1 unique case (state_q)
Tests: T1 T2 T3
145 // wait for an escalation trigger or an alert trigger
146 // the latter will trigger an interrupt timeout
147 IdleSt: begin
148 1/1 cnt_clr = 1'b1;
Tests: T1 T2 T3
149 1/1 esc_state_o = Idle;
Tests: T1 T2 T3
150
151 1/1 if (accu_trig_i && en_i && !clr_i) begin
Tests: T1 T2 T3
152 1/1 state_d = Phase0St;
Tests: T3 T10 T12
153 1/1 cnt_en = 1'b1;
Tests: T3 T10 T12
154 1/1 esc_trig_o = 1'b1;
Tests: T3 T10 T12
155 // the counter is zero in this state. so if the
156 // timeout count is zero (==disabled), cnt_ge will be true.
157 1/1 end else if (timeout_en_i && !cnt_ge && en_i) begin
Tests: T1 T2 T3
158 1/1 cnt_en = 1'b1;
Tests: T13 T11 T27
159 1/1 state_d = TimeoutSt;
Tests: T13 T11 T27
160 end
MISSING_ELSE
161 end
162 // we are in interrupt timeout state
163 // in case an escalation comes in, we immediately have to
164 // switch over to the first escalation phase.
165 // in case the interrupt timeout hits it's cycle count, we
166 // also enter escalation phase0.
167 // ongoing timeouts can always be cleared.
168 TimeoutSt: begin
169 1/1 esc_state_o = Timeout;
Tests: T13 T11 T27
170
171 1/1 if ((accu_trig_i && en_i && !clr_i) || (cnt_ge && timeout_en_i)) begin
Tests: T13 T11 T27
172 1/1 state_d = Phase0St;
Tests: T27 T76 T41
173 1/1 cnt_en = 1'b1;
Tests: T27 T76 T41
174 1/1 cnt_clr = 1'b1;
Tests: T27 T76 T41
175 1/1 esc_trig_o = 1'b1;
Tests: T27 T76 T41
176 // the timeout enable is connected to the irq state
177 // if that is cleared, stop the timeout counter
178 1/1 end else if (timeout_en_i) begin
Tests: T13 T11 T27
179 1/1 cnt_en = 1'b1;
Tests: T13 T11 T27
180 end else begin
181 1/1 state_d = IdleSt;
Tests: T13 T11 T27
182 1/1 cnt_clr = 1'b1;
Tests: T13 T11 T27
183 end
184 end
185 // note: autolocking the clear signal is done in the regfile
186 Phase0St: begin
187 1/1 cnt_en = 1'b1;
Tests: T3 T10 T12
188 1/1 phase_oh[0] = 1'b1;
Tests: T3 T10 T12
189 1/1 thresh = phase_cyc_i[0];
Tests: T3 T10 T12
190 1/1 esc_state_o = Phase0;
Tests: T3 T10 T12
191 1/1 latch_crashdump_o = (crashdump_phase_i == 2'b00);
Tests: T3 T10 T12
192
193 1/1 if (clr_i) begin
Tests: T3 T10 T12
194 1/1 state_d = IdleSt;
Tests: T28 T30 T107
195 1/1 cnt_clr = 1'b1;
Tests: T28 T30 T107
196 1/1 cnt_en = 1'b0;
Tests: T28 T30 T107
197 1/1 end else if (cnt_ge) begin
Tests: T3 T10 T12
198 1/1 state_d = Phase1St;
Tests: T3 T10 T12
199 1/1 cnt_clr = 1'b1;
Tests: T3 T10 T12
200 1/1 cnt_en = 1'b1;
Tests: T3 T10 T12
201 end
MISSING_ELSE
202 end
203 Phase1St: begin
204 1/1 cnt_en = 1'b1;
Tests: T3 T10 T12
205 1/1 phase_oh[1] = 1'b1;
Tests: T3 T10 T12
206 1/1 thresh = phase_cyc_i[1];
Tests: T3 T10 T12
207 1/1 esc_state_o = Phase1;
Tests: T3 T10 T12
208 1/1 latch_crashdump_o = (crashdump_phase_i == 2'b01);
Tests: T3 T10 T12
209
210 1/1 if (clr_i) begin
Tests: T3 T10 T12
211 1/1 state_d = IdleSt;
Tests: T31 T33 T29
212 1/1 cnt_clr = 1'b1;
Tests: T31 T33 T29
213 1/1 cnt_en = 1'b0;
Tests: T31 T33 T29
214 1/1 end else if (cnt_ge) begin
Tests: T3 T10 T12
215 1/1 state_d = Phase2St;
Tests: T3 T10 T12
216 1/1 cnt_clr = 1'b1;
Tests: T3 T10 T12
217 1/1 cnt_en = 1'b1;
Tests: T3 T10 T12
218 end
MISSING_ELSE
219 end
220 Phase2St: begin
221 1/1 cnt_en = 1'b1;
Tests: T3 T10 T12
222 1/1 phase_oh[2] = 1'b1;
Tests: T3 T10 T12
223 1/1 thresh = phase_cyc_i[2];
Tests: T3 T10 T12
224 1/1 esc_state_o = Phase2;
Tests: T3 T10 T12
225 1/1 latch_crashdump_o = (crashdump_phase_i == 2'b10);
Tests: T3 T10 T12
226
227
228 1/1 if (clr_i) begin
Tests: T3 T10 T12
229 1/1 state_d = IdleSt;
Tests: T35 T36 T156
230 1/1 cnt_clr = 1'b1;
Tests: T35 T36 T156
231 1/1 cnt_en = 1'b0;
Tests: T35 T36 T156
232 1/1 end else if (cnt_ge) begin
Tests: T3 T10 T12
233 1/1 state_d = Phase3St;
Tests: T3 T10 T12
234 1/1 cnt_clr = 1'b1;
Tests: T3 T10 T12
235 end
MISSING_ELSE
236 end
237 Phase3St: begin
238 1/1 cnt_en = 1'b1;
Tests: T3 T10 T12
239 1/1 phase_oh[3] = 1'b1;
Tests: T3 T10 T12
240 1/1 thresh = phase_cyc_i[3];
Tests: T3 T10 T12
241 1/1 esc_state_o = Phase3;
Tests: T3 T10 T12
242 1/1 latch_crashdump_o = (crashdump_phase_i == 2'b11);
Tests: T3 T10 T12
243
244 1/1 if (clr_i) begin
Tests: T3 T10 T12
245 1/1 state_d = IdleSt;
Tests: T37 T157 T134
246 1/1 cnt_clr = 1'b1;
Tests: T37 T157 T134
247 1/1 cnt_en = 1'b0;
Tests: T37 T157 T134
248 1/1 end else if (cnt_ge) begin
Tests: T3 T10 T12
249 1/1 state_d = TerminalSt;
Tests: T3 T10 T12
250 1/1 cnt_clr = 1'b1;
Tests: T3 T10 T12
251 1/1 cnt_en = 1'b0;
Tests: T3 T10 T12
252 end
MISSING_ELSE
253 end
254 // final, terminal state after escalation.
255 // if clr is locked down, only a system reset
256 // will get us out of this state
257 TerminalSt: begin
258 1/1 cnt_clr = 1'b1;
Tests: T3 T10 T12
259 1/1 esc_state_o = Terminal;
Tests: T3 T10 T12
260 1/1 if (clr_i) begin
Tests: T3 T10 T12
261 1/1 state_d = IdleSt;
Tests: T3 T17 T27
262 end
MISSING_ELSE
263 end
264 // error state, only reached if the FSM has been
265 // glitched. in this state, we trigger all escalation
266 // actions at once.
267 FsmErrorSt: begin
268 1/1 esc_state_o = FsmError;
Tests: T5 T6 T9
269 1/1 fsm_error = 1'b1;
Tests: T5 T6 T9
270 end
271 // SEC_CM: ESC_TIMER.FSM.LOCAL_ESC
272 // catch glitches.
273 default: begin
274 state_d = FsmErrorSt;
275 esc_state_o = FsmError;
276 fsm_error = 1'b1;
277 end
278 endcase
279
280 // SEC_CM: ESC_TIMER.FSM.LOCAL_ESC
281 // if any of the duplicate counter pairs has an inconsistent state
282 // we move into the terminal FSM error state.
283 1/1 if (accu_fail_i || cnt_error) begin
Tests: T1 T2 T3
284 1/1 state_d = FsmErrorSt;
Tests: T5 T6 T9
285 1/1 fsm_error = 1'b1;
Tests: T5 T6 T9
286 end
MISSING_ELSE
287 end
288
289 logic [N_ESC_SEV-1:0][N_PHASES-1:0] esc_map_oh;
290 for (genvar k = 0; k < N_ESC_SEV; k++) begin : gen_phase_map
291 // generate configuration mask for escalation enable signals
292 4/4 assign esc_map_oh[k] = N_ESC_SEV'(esc_en_i[k]) << esc_map_i[k];
Tests: T1 T2 T3 | T1 T2 T3 | T1 T2 T3 | T1 T2 T3
293 // mask reduce current phase state vector
294 // SEC_CM: ESC_TIMER.FSM.GLOBAL_ESC
295 4/4 assign esc_sig_req_o[k] = |(esc_map_oh[k] & phase_oh) | fsm_error;
Tests: T1 T2 T3 | T1 T2 T3 | T1 T2 T3 | T1 T2 T3
296 end
297
298 ///////////////////
299 // FSM Registers //
300 ///////////////////
301
302 // The alert handler behaves differently than other comportable IP. I.e., instead of sending out
303 // an alert signal, this condition is handled internally in the alert handler. The
304 // EnableAlertTriggerSVA parameter is therefore set to 0.
305 3/3 `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, IdleSt, clk_i, rst_ni, 0)
Tests: T1 T2 T3 | T1 T2 T3 | T1 T2 T3
PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, IdleSt, clk_i, rst_ni, 0):
305.1 `ifdef SIMULATION
305.2 prim_sparse_fsm_flop #(
305.3 .StateEnumT(state_e),
305.4 .Width($bits(state_e)),
305.5 .ResetValue($bits(state_e)'(IdleSt)),
305.6 .EnableAlertTriggerSVA(0),
305.7 .CustomForceName("state_q")
305.8 ) u_state_regs (
305.9 .clk_i ( clk_i ),
305.10 .rst_ni ( rst_ni ),
305.11 .state_i ( state_d ),
305.12 .state_o ( )
305.13 );
305.14 always_ff @(posedge clk_i or negedge rst_ni) begin
305.15 1/1 if (!rst_ni) begin
Tests: T1 T2 T3
305.16 1/1 state_q <= IdleSt;
Tests: T1 T2 T3
305.17 end else begin
305.18 1/1 state_q <= state_d;
Tests: T1 T2 T3
305.19 end
305.20 end
305.21 u_state_regs_A: assert property (@(posedge clk_i) disable iff ((!rst_ni) !== '0) (state_q === u_state_regs.state_o))
305.22 else begin
305.23 `ifdef UVM
305.24 uvm_pkg::uvm_report_error("ASSERT FAILED", "u_state_regs_A", uvm_pkg::UVM_NONE,
305.25 "../src/lowrisc_ip_alert_handler_component_0.1/rtl/alert_handler_esc_timer.sv", 305, "", 1);
305.26 `else
305.27 $error("%0t: (%0s:%0d) [%m] [ASSERT FAILED] %0s", $time, `__FILE__, `__LINE__,
305.28 `PRIM_STRINGIFY(u_state_regs_A));
305.29 `endif
305.30 end
305.31 `else
305.32 prim_sparse_fsm_flop #(
305.33 .StateEnumT(state_e),
305.34 .Width($bits(state_e)),
305.35 .ResetValue($bits(state_e)'(IdleSt)),
305.36 .EnableAlertTriggerSVA(0)
305.37 ) u_state_regs (
305.38 .clk_i ( clk_i ),
305.39 .rst_ni ( rst_ni ),
305.40 .state_i ( state_d ),
305.41 .state_o ( state_q )
305.42 );
305.43 `endif
Cond Coverage for Instance : tb.dut.gen_classes[0].u_esc_timer
| Total | Covered | Percent |
Conditions | 45 | 43 | 95.56 |
Logical | 45 | 43 | 95.56 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 66
EXPRESSION (cnt_clr && ((!cnt_en)))
---1--- -----2-----
-1- | -2- | Status | Tests |
0 | 1 | Covered | T5,T6,T9 |
1 | 0 | Covered | T3,T10,T12 |
1 | 1 | Covered | T1,T2,T3 |
LINE 66
EXPRESSION (cnt_clr && cnt_en)
---1--- ---2--
-1- | -2- | Status | Tests |
0 | 1 | Covered | T3,T10,T12 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T3,T10,T12 |
LINE 151
EXPRESSION (accu_trig_i && en_i && ((!clr_i)))
-----1----- --2- -----3----
-1- | -2- | -3- | Status | Tests | Exclude Annotation |
0 | 1 | 1 | Covered | T1,T3,T4 |
1 | 0 | 1 | Excluded | |
VC_COV_UNR |
1 | 1 | 0 | Covered | T39 |
1 | 1 | 1 | Covered | T3,T10,T12 |
LINE 157
EXPRESSION (timeout_en_i && ((!cnt_ge)) && en_i)
------1----- -----2----- --3-
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T10,T12,T13 |
1 | 0 | 1 | Covered | T138,T141,T158 |
1 | 1 | 0 | Covered | T2,T11,T27 |
1 | 1 | 1 | Covered | T13,T11,T27 |
LINE 171
EXPRESSION ((accu_trig_i && en_i && ((!clr_i))) || (cnt_ge && timeout_en_i))
-----------------1----------------- ------------2-----------
-1- | -2- | Status | Tests |
0 | 0 | Covered | T13,T11,T27 |
0 | 1 | Covered | T27,T76,T54 |
1 | 0 | Covered | T41,T42,T44 |
LINE 171
SUB-EXPRESSION (accu_trig_i && en_i && ((!clr_i)))
-----1----- --2- -----3----
-1- | -2- | -3- | Status | Tests | Exclude Annotation |
0 | 1 | 1 | Covered | T13,T11,T27 |
1 | 0 | 1 | Excluded | |
VC_COV_UNR |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T41,T42,T44 |
LINE 171
SUB-EXPRESSION (cnt_ge && timeout_en_i)
---1-- ------2-----
-1- | -2- | Status | Tests |
0 | 1 | Covered | T13,T11,T27 |
1 | 0 | Not Covered | |
1 | 1 | Covered | T27,T76,T54 |
LINE 191
EXPRESSION (crashdump_phase_i == 2'b0)
-------------1-------------
-1- | Status | Tests |
0 | Covered | T3,T10,T17 |
1 | Covered | T12,T15,T43 |
LINE 208
EXPRESSION (crashdump_phase_i == 2'b1)
-------------1-------------
-1- | Status | Tests |
0 | Covered | T3,T10,T12 |
1 | Covered | T27,T48,T141 |
LINE 225
EXPRESSION (crashdump_phase_i == 2'b10)
--------------1-------------
-1- | Status | Tests |
0 | Covered | T3,T12,T17 |
1 | Covered | T10,T48,T138 |
LINE 242
EXPRESSION (crashdump_phase_i == 2'b11)
--------------1-------------
-1- | Status | Tests |
0 | Covered | T10,T12,T15 |
1 | Covered | T3,T17,T43 |
LINE 283
EXPRESSION (accu_fail_i || cnt_error)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T5,T6,T9 |
1 | 0 | Covered | T5,T6,T9 |
LINE 295
EXPRESSION (((|(esc_map_oh[0] & phase_oh))) | fsm_error)
---------------1--------------- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T5,T6,T9 |
1 | 0 | Covered | T3,T10,T15 |
LINE 295
EXPRESSION (((|(esc_map_oh[1] & phase_oh))) | fsm_error)
---------------1--------------- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T5,T6,T9 |
1 | 0 | Covered | T12,T43,T48 |
LINE 295
EXPRESSION (((|(esc_map_oh[2] & phase_oh))) | fsm_error)
---------------1--------------- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T5,T6,T9 |
1 | 0 | Covered | T17,T27,T43 |
LINE 295
EXPRESSION (((|(esc_map_oh[3] & phase_oh))) | fsm_error)
---------------1--------------- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T5,T6,T9 |
1 | 0 | Covered | T3,T12,T17 |
FSM Coverage for Instance : tb.dut.gen_classes[0].u_esc_timer
Summary for FSM :: state_q
| Total | Covered | Percent | |
States |
8 |
8 |
100.00 |
(Not included in score) |
Transitions |
14 |
14 |
100.00 |
|
Sequences |
0 |
0 |
|
|
State, Transition and Sequence Details for FSM :: state_q
states | Line No. | Covered | Tests |
FsmErrorSt |
284 |
Covered |
T5,T6,T9 |
IdleSt |
181 |
Covered |
T1,T2,T3 |
Phase0St |
152 |
Covered |
T3,T10,T12 |
Phase1St |
198 |
Covered |
T3,T10,T12 |
Phase2St |
215 |
Covered |
T3,T10,T12 |
Phase3St |
233 |
Covered |
T3,T10,T12 |
TerminalSt |
249 |
Covered |
T3,T10,T12 |
TimeoutSt |
159 |
Covered |
T13,T11,T27 |
transitions | Line No. | Covered | Tests | Exclude Annotation |
IdleSt->FsmErrorSt |
284 |
Covered |
T5,T6,T9 |
|
IdleSt->Phase0St |
152 |
Covered |
T3,T10,T12 |
|
IdleSt->TimeoutSt |
159 |
Covered |
T13,T11,T27 |
|
Phase0St->FsmErrorSt |
284 |
Excluded |
|
[LOW_RISK]: Forcing from any state other than IdleSt to FSMErrorSt is covered in FPV. |
Phase0St->IdleSt |
194 |
Covered |
T44,T28,T30 |
|
Phase0St->Phase1St |
198 |
Covered |
T3,T10,T12 |
|
Phase1St->FsmErrorSt |
284 |
Excluded |
|
[LOW_RISK]: Forcing from any state other than IdleSt to FSMErrorSt is covered in FPV. |
Phase1St->IdleSt |
211 |
Covered |
T31,T33,T29 |
|
Phase1St->Phase2St |
215 |
Covered |
T3,T10,T12 |
|
Phase2St->FsmErrorSt |
284 |
Excluded |
|
[LOW_RISK]: Forcing from any state other than IdleSt to FSMErrorSt is covered in FPV. |
Phase2St->IdleSt |
229 |
Covered |
T44,T45,T35 |
|
Phase2St->Phase3St |
233 |
Covered |
T3,T10,T12 |
|
Phase3St->FsmErrorSt |
284 |
Excluded |
|
[LOW_RISK]: Forcing from any state other than IdleSt to FSMErrorSt is covered in FPV. |
Phase3St->IdleSt |
245 |
Covered |
T37,T157,T134 |
|
Phase3St->TerminalSt |
249 |
Covered |
T3,T10,T12 |
|
TerminalSt->FsmErrorSt |
284 |
Excluded |
|
[LOW_RISK]: Forcing from any state other than IdleSt to FSMErrorSt is covered in FPV. |
TerminalSt->IdleSt |
261 |
Covered |
T3,T17,T27 |
|
TimeoutSt->FsmErrorSt |
284 |
Excluded |
|
[LOW_RISK]: Forcing from any state other than IdleSt to FSMErrorSt is covered in FPV. |
TimeoutSt->IdleSt |
181 |
Covered |
T13,T11,T27 |
|
TimeoutSt->Phase0St |
172 |
Covered |
T27,T76,T41 |
|
Branch Coverage for Instance : tb.dut.gen_classes[0].u_esc_timer
| Line No. | Total | Covered | Percent |
Branches |
|
26 |
26 |
100.00 |
CASE |
144 |
22 |
22 |
100.00 |
IF |
283 |
2 |
2 |
100.00 |
IF |
305 |
2 |
2 |
100.00 |
144 unique case (state_q)
-1-
145 // wait for an escalation trigger or an alert trigger
146 // the latter will trigger an interrupt timeout
147 IdleSt: begin
148 cnt_clr = 1'b1;
149 esc_state_o = Idle;
150
151 if (accu_trig_i && en_i && !clr_i) begin
-2-
152 state_d = Phase0St;
==>
153 cnt_en = 1'b1;
154 esc_trig_o = 1'b1;
155 // the counter is zero in this state. so if the
156 // timeout count is zero (==disabled), cnt_ge will be true.
157 end else if (timeout_en_i && !cnt_ge && en_i) begin
-3-
158 cnt_en = 1'b1;
==>
159 state_d = TimeoutSt;
160 end
MISSING_ELSE
==>
161 end
162 // we are in interrupt timeout state
163 // in case an escalation comes in, we immediately have to
164 // switch over to the first escalation phase.
165 // in case the interrupt timeout hits it's cycle count, we
166 // also enter escalation phase0.
167 // ongoing timeouts can always be cleared.
168 TimeoutSt: begin
169 esc_state_o = Timeout;
170
171 if ((accu_trig_i && en_i && !clr_i) || (cnt_ge && timeout_en_i)) begin
-4-
172 state_d = Phase0St;
==>
173 cnt_en = 1'b1;
174 cnt_clr = 1'b1;
175 esc_trig_o = 1'b1;
176 // the timeout enable is connected to the irq state
177 // if that is cleared, stop the timeout counter
178 end else if (timeout_en_i) begin
-5-
179 cnt_en = 1'b1;
==>
180 end else begin
181 state_d = IdleSt;
==>
182 cnt_clr = 1'b1;
183 end
184 end
185 // note: autolocking the clear signal is done in the regfile
186 Phase0St: begin
187 cnt_en = 1'b1;
188 phase_oh[0] = 1'b1;
189 thresh = phase_cyc_i[0];
190 esc_state_o = Phase0;
191 latch_crashdump_o = (crashdump_phase_i == 2'b00);
192
193 if (clr_i) begin
-6-
194 state_d = IdleSt;
==>
195 cnt_clr = 1'b1;
196 cnt_en = 1'b0;
197 end else if (cnt_ge) begin
-7-
198 state_d = Phase1St;
==>
199 cnt_clr = 1'b1;
200 cnt_en = 1'b1;
201 end
MISSING_ELSE
==>
202 end
203 Phase1St: begin
204 cnt_en = 1'b1;
205 phase_oh[1] = 1'b1;
206 thresh = phase_cyc_i[1];
207 esc_state_o = Phase1;
208 latch_crashdump_o = (crashdump_phase_i == 2'b01);
209
210 if (clr_i) begin
-8-
211 state_d = IdleSt;
==>
212 cnt_clr = 1'b1;
213 cnt_en = 1'b0;
214 end else if (cnt_ge) begin
-9-
215 state_d = Phase2St;
==>
216 cnt_clr = 1'b1;
217 cnt_en = 1'b1;
218 end
MISSING_ELSE
==>
219 end
220 Phase2St: begin
221 cnt_en = 1'b1;
222 phase_oh[2] = 1'b1;
223 thresh = phase_cyc_i[2];
224 esc_state_o = Phase2;
225 latch_crashdump_o = (crashdump_phase_i == 2'b10);
226
227
228 if (clr_i) begin
-10-
229 state_d = IdleSt;
==>
230 cnt_clr = 1'b1;
231 cnt_en = 1'b0;
232 end else if (cnt_ge) begin
-11-
233 state_d = Phase3St;
==>
234 cnt_clr = 1'b1;
235 end
MISSING_ELSE
==>
236 end
237 Phase3St: begin
238 cnt_en = 1'b1;
239 phase_oh[3] = 1'b1;
240 thresh = phase_cyc_i[3];
241 esc_state_o = Phase3;
242 latch_crashdump_o = (crashdump_phase_i == 2'b11);
243
244 if (clr_i) begin
-12-
245 state_d = IdleSt;
==>
246 cnt_clr = 1'b1;
247 cnt_en = 1'b0;
248 end else if (cnt_ge) begin
-13-
249 state_d = TerminalSt;
==>
250 cnt_clr = 1'b1;
251 cnt_en = 1'b0;
252 end
MISSING_ELSE
==>
253 end
254 // final, terminal state after escalation.
255 // if clr is locked down, only a system reset
256 // will get us out of this state
257 TerminalSt: begin
258 cnt_clr = 1'b1;
259 esc_state_o = Terminal;
260 if (clr_i) begin
-14-
261 state_d = IdleSt;
==>
262 end
MISSING_ELSE
==>
263 end
264 // error state, only reached if the FSM has been
265 // glitched. in this state, we trigger all escalation
266 // actions at once.
267 FsmErrorSt: begin
268 esc_state_o = FsmError;
==>
269 fsm_error = 1'b1;
270 end
271 // SEC_CM: ESC_TIMER.FSM.LOCAL_ESC
272 // catch glitches.
273 default: begin
274 state_d = FsmErrorSt;
==>
Branches:
-1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | Status | Tests |
IdleSt |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T3,T10,T12 |
IdleSt |
0 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T13,T11,T27 |
IdleSt |
0 |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
TimeoutSt |
- |
- |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T27,T76,T41 |
TimeoutSt |
- |
- |
0 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T13,T11,T27 |
TimeoutSt |
- |
- |
0 |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T13,T11,T27 |
Phase0St |
- |
- |
- |
- |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T28,T30,T107 |
Phase0St |
- |
- |
- |
- |
0 |
1 |
- |
- |
- |
- |
- |
- |
- |
Covered |
T3,T10,T12 |
Phase0St |
- |
- |
- |
- |
0 |
0 |
- |
- |
- |
- |
- |
- |
- |
Covered |
T3,T10,T12 |
Phase1St |
- |
- |
- |
- |
- |
- |
1 |
- |
- |
- |
- |
- |
- |
Covered |
T31,T33,T29 |
Phase1St |
- |
- |
- |
- |
- |
- |
0 |
1 |
- |
- |
- |
- |
- |
Covered |
T3,T10,T12 |
Phase1St |
- |
- |
- |
- |
- |
- |
0 |
0 |
- |
- |
- |
- |
- |
Covered |
T3,T10,T12 |
Phase2St |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
- |
- |
- |
- |
Covered |
T35,T36,T156 |
Phase2St |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
1 |
- |
- |
- |
Covered |
T3,T10,T12 |
Phase2St |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
0 |
- |
- |
- |
Covered |
T3,T10,T12 |
Phase3St |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
- |
- |
Covered |
T37,T157,T134 |
Phase3St |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
1 |
- |
Covered |
T3,T10,T12 |
Phase3St |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
0 |
- |
Covered |
T3,T10,T12 |
TerminalSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
Covered |
T3,T17,T27 |
TerminalSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
Covered |
T3,T10,T12 |
FsmErrorSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T5,T6,T9 |
default |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T5,T6,T9 |
283 if (accu_fail_i || cnt_error) begin
-1-
284 state_d = FsmErrorSt;
==>
285 fsm_error = 1'b1;
286 end
MISSING_ELSE
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T5,T6,T9 |
0 |
Covered |
T1,T2,T3 |
305 `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, IdleSt, clk_i, rst_ni, 0)
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.gen_classes[0].u_esc_timer
Assertion Details
AccuFailToFsmError_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
187 |
0 |
0 |
T5 |
34293 |
53 |
0 |
0 |
T6 |
23610 |
20 |
0 |
0 |
T7 |
61075 |
0 |
0 |
0 |
T9 |
0 |
25 |
0 |
0 |
T11 |
49557 |
0 |
0 |
0 |
T14 |
4599 |
0 |
0 |
0 |
T15 |
33239 |
0 |
0 |
0 |
T16 |
3072 |
0 |
0 |
0 |
T17 |
47788 |
0 |
0 |
0 |
T26 |
34781 |
0 |
0 |
0 |
T27 |
31509 |
0 |
0 |
0 |
T46 |
0 |
28 |
0 |
0 |
T47 |
0 |
61 |
0 |
0 |
CheckAccumTrig0_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
762 |
0 |
0 |
T3 |
41460 |
2 |
0 |
0 |
T4 |
27925 |
0 |
0 |
0 |
T5 |
34293 |
0 |
0 |
0 |
T10 |
40283 |
1 |
0 |
0 |
T11 |
49557 |
0 |
0 |
0 |
T12 |
59237 |
1 |
0 |
0 |
T13 |
76217 |
0 |
0 |
0 |
T14 |
4599 |
0 |
0 |
0 |
T15 |
33239 |
1 |
0 |
0 |
T17 |
47788 |
1 |
0 |
0 |
T31 |
0 |
2 |
0 |
0 |
T43 |
0 |
3 |
0 |
0 |
T48 |
0 |
2 |
0 |
0 |
T50 |
0 |
1 |
0 |
0 |
T51 |
0 |
2 |
0 |
0 |
CheckAccumTrig1_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
41 |
0 |
0 |
T18 |
354763 |
0 |
0 |
0 |
T23 |
25226 |
0 |
0 |
0 |
T24 |
10839 |
0 |
0 |
0 |
T41 |
46004 |
1 |
0 |
0 |
T42 |
73577 |
1 |
0 |
0 |
T44 |
0 |
1 |
0 |
0 |
T53 |
14387 |
0 |
0 |
0 |
T54 |
56173 |
0 |
0 |
0 |
T56 |
0 |
1 |
0 |
0 |
T57 |
0 |
1 |
0 |
0 |
T58 |
0 |
1 |
0 |
0 |
T59 |
0 |
1 |
0 |
0 |
T61 |
0 |
1 |
0 |
0 |
T62 |
0 |
2 |
0 |
0 |
T63 |
0 |
1 |
0 |
0 |
T79 |
42077 |
0 |
0 |
0 |
T80 |
19405 |
0 |
0 |
0 |
T81 |
4411 |
0 |
0 |
0 |
CheckClr_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
380 |
0 |
0 |
T3 |
41460 |
1 |
0 |
0 |
T4 |
27925 |
0 |
0 |
0 |
T5 |
34293 |
0 |
0 |
0 |
T10 |
40283 |
0 |
0 |
0 |
T11 |
49557 |
0 |
0 |
0 |
T12 |
59237 |
0 |
0 |
0 |
T13 |
76217 |
0 |
0 |
0 |
T14 |
4599 |
0 |
0 |
0 |
T15 |
33239 |
0 |
0 |
0 |
T17 |
47788 |
1 |
0 |
0 |
T27 |
0 |
1 |
0 |
0 |
T31 |
0 |
1 |
0 |
0 |
T41 |
0 |
4 |
0 |
0 |
T43 |
0 |
2 |
0 |
0 |
T48 |
0 |
2 |
0 |
0 |
T51 |
0 |
1 |
0 |
0 |
T74 |
0 |
1 |
0 |
0 |
T76 |
0 |
1 |
0 |
0 |
CheckEn_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550428711 |
238899323 |
0 |
0 |
T1 |
3466 |
2780 |
0 |
0 |
T2 |
27353 |
27262 |
0 |
0 |
T3 |
41460 |
2036 |
0 |
0 |
T4 |
27925 |
2252 |
0 |
0 |
T5 |
343 |
247 |
0 |
0 |
T10 |
40283 |
1570 |
0 |
0 |
T12 |
59237 |
2098 |
0 |
0 |
T13 |
76217 |
3228 |
0 |
0 |
T14 |
4599 |
3194 |
0 |
0 |
T17 |
47788 |
2660 |
0 |
0 |
CheckPhase0_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
855 |
0 |
0 |
T3 |
41460 |
2 |
0 |
0 |
T4 |
27925 |
0 |
0 |
0 |
T5 |
34293 |
0 |
0 |
0 |
T10 |
40283 |
1 |
0 |
0 |
T11 |
49557 |
0 |
0 |
0 |
T12 |
59237 |
1 |
0 |
0 |
T13 |
76217 |
0 |
0 |
0 |
T14 |
4599 |
0 |
0 |
0 |
T15 |
33239 |
1 |
0 |
0 |
T17 |
47788 |
1 |
0 |
0 |
T27 |
0 |
1 |
0 |
0 |
T31 |
0 |
2 |
0 |
0 |
T43 |
0 |
3 |
0 |
0 |
T48 |
0 |
2 |
0 |
0 |
T50 |
0 |
1 |
0 |
0 |
CheckPhase1_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
826 |
0 |
0 |
T3 |
41460 |
2 |
0 |
0 |
T4 |
27925 |
0 |
0 |
0 |
T5 |
34293 |
0 |
0 |
0 |
T10 |
40283 |
1 |
0 |
0 |
T11 |
49557 |
0 |
0 |
0 |
T12 |
59237 |
1 |
0 |
0 |
T13 |
76217 |
0 |
0 |
0 |
T14 |
4599 |
0 |
0 |
0 |
T15 |
33239 |
1 |
0 |
0 |
T17 |
47788 |
1 |
0 |
0 |
T27 |
0 |
1 |
0 |
0 |
T31 |
0 |
1 |
0 |
0 |
T43 |
0 |
3 |
0 |
0 |
T48 |
0 |
2 |
0 |
0 |
T50 |
0 |
1 |
0 |
0 |
CheckPhase2_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
797 |
0 |
0 |
T3 |
41460 |
2 |
0 |
0 |
T4 |
27925 |
0 |
0 |
0 |
T5 |
34293 |
0 |
0 |
0 |
T10 |
40283 |
1 |
0 |
0 |
T11 |
49557 |
0 |
0 |
0 |
T12 |
59237 |
1 |
0 |
0 |
T13 |
76217 |
0 |
0 |
0 |
T14 |
4599 |
0 |
0 |
0 |
T15 |
33239 |
1 |
0 |
0 |
T17 |
47788 |
1 |
0 |
0 |
T27 |
0 |
1 |
0 |
0 |
T31 |
0 |
1 |
0 |
0 |
T43 |
0 |
3 |
0 |
0 |
T48 |
0 |
2 |
0 |
0 |
T50 |
0 |
1 |
0 |
0 |
CheckPhase3_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
782 |
0 |
0 |
T3 |
41460 |
2 |
0 |
0 |
T4 |
27925 |
0 |
0 |
0 |
T5 |
34293 |
0 |
0 |
0 |
T10 |
40283 |
1 |
0 |
0 |
T11 |
49557 |
0 |
0 |
0 |
T12 |
59237 |
1 |
0 |
0 |
T13 |
76217 |
0 |
0 |
0 |
T14 |
4599 |
0 |
0 |
0 |
T15 |
33239 |
1 |
0 |
0 |
T17 |
47788 |
1 |
0 |
0 |
T27 |
0 |
1 |
0 |
0 |
T31 |
0 |
1 |
0 |
0 |
T43 |
0 |
3 |
0 |
0 |
T48 |
0 |
2 |
0 |
0 |
T50 |
0 |
1 |
0 |
0 |
CheckTimeout0_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
514 |
0 |
0 |
T5 |
34293 |
0 |
0 |
0 |
T6 |
23610 |
0 |
0 |
0 |
T11 |
49557 |
6 |
0 |
0 |
T13 |
76217 |
7 |
0 |
0 |
T14 |
4599 |
0 |
0 |
0 |
T15 |
33239 |
0 |
0 |
0 |
T16 |
3072 |
0 |
0 |
0 |
T17 |
47788 |
0 |
0 |
0 |
T26 |
34781 |
0 |
0 |
0 |
T27 |
31509 |
3 |
0 |
0 |
T34 |
0 |
1 |
0 |
0 |
T41 |
0 |
1 |
0 |
0 |
T48 |
0 |
1 |
0 |
0 |
T76 |
0 |
3 |
0 |
0 |
T79 |
0 |
12 |
0 |
0 |
T88 |
0 |
2 |
0 |
0 |
T89 |
0 |
1 |
0 |
0 |
CheckTimeoutSt1_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
63612 |
0 |
0 |
T5 |
34293 |
0 |
0 |
0 |
T6 |
23610 |
0 |
0 |
0 |
T11 |
49557 |
907 |
0 |
0 |
T13 |
76217 |
1349 |
0 |
0 |
T14 |
4599 |
0 |
0 |
0 |
T15 |
33239 |
0 |
0 |
0 |
T16 |
3072 |
0 |
0 |
0 |
T17 |
47788 |
0 |
0 |
0 |
T26 |
34781 |
0 |
0 |
0 |
T27 |
31509 |
507 |
0 |
0 |
T34 |
0 |
179 |
0 |
0 |
T41 |
0 |
1 |
0 |
0 |
T48 |
0 |
51 |
0 |
0 |
T76 |
0 |
296 |
0 |
0 |
T79 |
0 |
1365 |
0 |
0 |
T88 |
0 |
133 |
0 |
0 |
T89 |
0 |
140 |
0 |
0 |
CheckTimeoutSt2_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
403 |
0 |
0 |
T5 |
34293 |
0 |
0 |
0 |
T6 |
23610 |
0 |
0 |
0 |
T11 |
49557 |
6 |
0 |
0 |
T13 |
76217 |
7 |
0 |
0 |
T14 |
4599 |
0 |
0 |
0 |
T15 |
33239 |
0 |
0 |
0 |
T16 |
3072 |
0 |
0 |
0 |
T17 |
47788 |
0 |
0 |
0 |
T26 |
34781 |
0 |
0 |
0 |
T27 |
31509 |
2 |
0 |
0 |
T34 |
0 |
1 |
0 |
0 |
T42 |
0 |
2 |
0 |
0 |
T48 |
0 |
1 |
0 |
0 |
T76 |
0 |
2 |
0 |
0 |
T79 |
0 |
12 |
0 |
0 |
T88 |
0 |
2 |
0 |
0 |
T89 |
0 |
1 |
0 |
0 |
CheckTimeoutStTrig_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
67 |
0 |
0 |
T7 |
61075 |
0 |
0 |
0 |
T8 |
47065 |
0 |
0 |
0 |
T9 |
24025 |
0 |
0 |
0 |
T27 |
31509 |
1 |
0 |
0 |
T30 |
0 |
1 |
0 |
0 |
T31 |
56799 |
0 |
0 |
0 |
T33 |
0 |
3 |
0 |
0 |
T36 |
0 |
1 |
0 |
0 |
T43 |
78983 |
0 |
0 |
0 |
T48 |
8812 |
0 |
0 |
0 |
T49 |
17911 |
0 |
0 |
0 |
T54 |
0 |
1 |
0 |
0 |
T76 |
0 |
1 |
0 |
0 |
T88 |
14691 |
0 |
0 |
0 |
T92 |
1151 |
0 |
0 |
0 |
T96 |
0 |
1 |
0 |
0 |
T97 |
0 |
2 |
0 |
0 |
T102 |
0 |
3 |
0 |
0 |
T103 |
0 |
1 |
0 |
0 |
ErrorStAllEscAsserted_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
1153 |
0 |
0 |
T5 |
34293 |
351 |
0 |
0 |
T6 |
23610 |
169 |
0 |
0 |
T7 |
61075 |
0 |
0 |
0 |
T9 |
0 |
142 |
0 |
0 |
T11 |
49557 |
0 |
0 |
0 |
T14 |
4599 |
0 |
0 |
0 |
T15 |
33239 |
0 |
0 |
0 |
T16 |
3072 |
0 |
0 |
0 |
T17 |
47788 |
0 |
0 |
0 |
T26 |
34781 |
0 |
0 |
0 |
T27 |
31509 |
0 |
0 |
0 |
T46 |
0 |
152 |
0 |
0 |
T47 |
0 |
339 |
0 |
0 |
ErrorStIsTerminal_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
943 |
0 |
0 |
T5 |
34293 |
291 |
0 |
0 |
T6 |
23610 |
139 |
0 |
0 |
T7 |
61075 |
0 |
0 |
0 |
T9 |
0 |
112 |
0 |
0 |
T11 |
49557 |
0 |
0 |
0 |
T14 |
4599 |
0 |
0 |
0 |
T15 |
33239 |
0 |
0 |
0 |
T16 |
3072 |
0 |
0 |
0 |
T17 |
47788 |
0 |
0 |
0 |
T26 |
34781 |
0 |
0 |
0 |
T27 |
31509 |
0 |
0 |
0 |
T46 |
0 |
122 |
0 |
0 |
T47 |
0 |
279 |
0 |
0 |
EscStateOut_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550427392 |
550357694 |
0 |
0 |
T1 |
3466 |
3375 |
0 |
0 |
T2 |
27353 |
27263 |
0 |
0 |
T3 |
41460 |
41398 |
0 |
0 |
T4 |
27925 |
27789 |
0 |
0 |
T5 |
95 |
0 |
0 |
0 |
T10 |
40283 |
40205 |
0 |
0 |
T12 |
59237 |
59164 |
0 |
0 |
T13 |
76217 |
76122 |
0 |
0 |
T14 |
4599 |
4524 |
0 |
0 |
T15 |
0 |
33142 |
0 |
0 |
T17 |
47788 |
47714 |
0 |
0 |
u_state_regs_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
550566037 |
550407217 |
0 |
0 |
T1 |
3466 |
3375 |
0 |
0 |
T2 |
27353 |
27263 |
0 |
0 |
T3 |
41460 |
41398 |
0 |
0 |
T4 |
27925 |
27789 |
0 |
0 |
T5 |
34293 |
8407 |
0 |
0 |
T10 |
40283 |
40205 |
0 |
0 |
T12 |
59237 |
59164 |
0 |
0 |
T13 |
76217 |
76122 |
0 |
0 |
T14 |
4599 |
4524 |
0 |
0 |
T17 |
47788 |
47714 |
0 |
0 |