Unified Coverage Report :: Module :: usb_fs_tx

Module : usb_fs_tx

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
87.24	95.11	91.38		58.82	90.91	100.00

Source File(s) :
/workspace/default/sim-vcs/../src/lowrisc_ip_usb_fs_nb_pe_0.1/rtl/usb_fs_tx.sv

Module self-instances :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
tb.dut.usbdev_impl.u_usb_fs_nb_pe.u_usb_fs_tx	87.24	95.11	91.38		58.82	90.91	100.00

---

Module Instance : tb.dut.usbdev_impl.u_usb_fs_nb_pe.u_usb_fs_tx

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
87.24	95.11	91.38		58.82	90.91	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
87.66	95.61	91.38		58.82	92.50	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
94.44	100.00	83.33				100.00	u_usb_fs_nb_pe

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
u_oe_flop	100.00	100.00				100.00
u_usb_d_flop	100.00	100.00				100.00
u_usb_d_o_flop	100.00	100.00				100.00
u_usb_dn_o_flop	100.00	100.00				100.00
u_usb_dp_o_flop	100.00	100.00				100.00
u_usb_se0_flop	100.00	100.00				100.00
u_usb_se0_o_flop	100.00	100.00				100.00

---

Since this is the module's only instance, the coverage report is the same as for the module.

Line Coverage for Module : usb_fs_tx

	Line No.	Total	Covered	Percent
TOTAL		184	175	95.11
ALWAYS	87	5	5	100.00
CONT_ASSIGN	98	1	1	100.00
CONT_ASSIGN	101	1	1	100.00
CONT_ASSIGN	102	1	1	100.00
CONT_ASSIGN	103	1	1	100.00
CONT_ASSIGN	107	1	1	100.00
CONT_ASSIGN	108	1	1	100.00
ALWAYS	111	14	14	100.00
CONT_ASSIGN	131	1	1	100.00
CONT_ASSIGN	132	1	1	100.00
ALWAYS	140	70	61	87.14
ALWAYS	270	3	3	100.00
CONT_ASSIGN	278	1	1	100.00
CONT_ASSIGN	281	1	1	100.00
ALWAYS	284	5	5	100.00
ALWAYS	300	32	32	100.00
ALWAYS	344	10	10	100.00
ALWAYS	374	19	19	100.00
ALWAYS	416	8	8	100.00
ALWAYS	459	7	7	100.00
CONT_ASSIGN	507	1	1	100.00

WARNING: The source file '/workspace/default/sim-vcs/../src/lowrisc_ip_usb_fs_nb_pe_0.1/rtl/usb_fs_tx.sv' or '../src/lowrisc_ip_usb_fs_nb_pe_0.1/rtl/usb_fs_tx.sv' was not found, so annotated line coverage report could not be generated.

Line No.	Covered	Statements
87	1	1
88	1	1
90	1	1
91	1	1
93	1	1
98	1	1
101	1	1
102	1	1
103	1	1
107	1	1
108	1	1
111	1	1
112	1	1
113	1	1
114	1	1
115	1	1
117	1	1
118	1	1
119	1	1
120	1	1
121	1	1
123	1	1
124	1	1
125	1	1
126	1	1
131	1	1
132	1	1
140	1	1
141	1	1
142	1	1
143	1	1
144	1	1
145	1	1
146	1	1
147	1	1
148	1	1
150	1	1
152	1	1
153	0	1
154	0	1
155	1	1
156	1	1
			MISSING_ELSE
161	1	1
162	1	1
163	1	1
164	1	1
165	1	1
			MISSING_ELSE
170	1	1
171	1	1
172	1	1
174	1	1
177	1	1
178	1	1
179	1	1
			MISSING_ELSE
184	1	1
185	1	1
186	1	1
187	1	1
188	1	1
189	1	1
190	1	1
191	1	1
193	1	1
194	1	1
195	1	1
196	1	1
198	1	1
199	1	1
202	1	1
207	1	1
208	1	1
209	1	1
211	1	1
212	1	1
			MISSING_ELSE
217	1	1
218	1	1
219	1	1
220	1	1
			MISSING_ELSE
226	0	1
227	0	1
228	0	1
229	0	1
230	0	1
231	0	1
232	0	1
			==> MISSING_ELSE
240	1	1
245	1	1
246	1	1
248	1	1
250	1	1
251	1	1
252	1	1
256	1	1
258	1	1
259	1	1
260	1	1
262	1	1
			MISSING_ELSE
270	1	1
271	1	1
273	1	1
278	1	1
281	1	1
284	1	1
286	1	1
287	1	1
			MISSING_ELSE
290	1	1
291	1	1
			MISSING_ELSE
300	1	1
301	1	1
302	1	1
303	1	1
304	1	1
305	1	1
306	1	1
307	1	1
308	1	1
309	1	1
310	1	1
312	1	1
313	1	1
314	1	1
315	1	1
316	1	1
317	1	1
318	1	1
319	1	1
320	1	1
321	1	1
322	1	1
324	1	1
325	1	1
326	1	1
327	1	1
328	1	1
329	1	1
330	1	1
331	1	1
332	1	1
333	1	1
344	1	1
345	1	1
347	1	1
349	1	1
350	1	1
			MISSING_ELSE
355	1	1
356	1	1
			MISSING_ELSE
361	1	1
362	1	1
363	1	1
			MISSING_ELSE
374	1	1
375	1	1
376	1	1
377	1	1
379	1	1
380	1	1
381	1	1
383	1	1
384	1	1
386	1	1
388	1	1
390	1	1
392	1	1
393	1	1
396	1	1
399	1	1
403	1	1
408	1	1
409	1	1
			MISSING_ELSE
			MISSING_ELSE
416	1	1
417	1	1
418	1	1
420	1	1
421	1	1
422	1	1
424	1	1
425	1	1
459	1	1
460	1	1
461	1	1
462	1	1
464	1	1
465	1	1
466	1	1
507	1	1

---

Cond Coverage for Module : usb_fs_tx

	Total	Covered	Percent
Conditions	58	53	91.38
Logical	58	53	91.38
Non-Logical	0	0
Event	0	0

 LINE       98
 EXPRESSION (pkt_start_i ? pid_i : pid_q)
             -----1-----

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T2,T3,T27

 LINE       108
 EXPRESSION (bit_history == 6'b111111)
            -------------1------------

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T3,T27,T7

 LINE       131
 EXPRESSION (bit_strobe_i && (se0_shift_reg_q[1:0] == 2'b1))
             ------1-----    ---------------2--------------

-1-	-2-	Status	Tests
0	1	Covered	T2,T3,T27
1	0	Covered	T1,T2,T3
1	1	Covered	T2,T3,T27

 LINE       131
 SUB-EXPRESSION (se0_shift_reg_q[1:0] == 2'b1)
                ---------------1--------------

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T2,T3,T27

 LINE       171
 EXPRESSION (pid_q[1:0] == 2'b11)
            ----------1----------

-1-	Status	Tests
0	Covered	T2,T3,T27
1	Covered	T2,T3,T27

 LINE       226
 EXPRESSION (((!tx_osc_test_mode_i)) && byte_strobe_q)
             -----------1-----------    ------2------

-1-	-2-	Status	Tests
0	1	Not Covered
1	0	Not Covered
1	1	Not Covered

 LINE       270
 EXPRESSION (bit_strobe_i && ((!bitstuff)) && ((!pkt_start_i)))
             ------1-----    ------2------    --------3-------

-1-	-2-	-3-	Status	Tests
0	1	1	Covered	T1,T2,T3
1	0	1	Covered	T3,T27,T7
1	1	0	Covered	T2,T3,T27
1	1	1	Covered	T1,T2,T3

 LINE       271
 EXPRESSION (bit_count_q == 3'b0)
            ----------1----------

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T1,T2,T3

 LINE       281
 EXPRESSION (serial_tx_data ^ crc16_q[15])
             -------1------   -----2-----

-1-	-2-	Status	Tests
0	0	Covered	T1,T2,T3
0	1	Covered	T2,T3,T27
1	0	Covered	T3,T27,T7
1	1	Covered	T2,T3,T27

 LINE       290
 EXPRESSION (bit_strobe_i && data_payload_q && ((!bitstuff_q4)) && ((!pkt_start_i)))
             ------1-----    -------2------    --------3-------    --------4-------

-1-	-2-	-3-	-4-	Status	Tests
0	1	1	1	Covered	T3,T27,T7
1	0	1	1	Covered	T1,T2,T3
1	1	0	1	Covered	T27,T7,T4
1	1	1	0	Not Covered
1	1	1	1	Covered	T3,T27,T7

 LINE       349
 EXPRESSION (pkt_start_i || test_mode_start)
             -----1-----    -------2-------

-1-	-2-	Status	Tests
0	0	Covered	T1,T2,T3
0	1	Not Covered
1	0	Covered	T2,T3,T27

 LINE       362
 EXPRESSION (bit_strobe_i && ((!serial_tx_oe)))
             ------1-----    --------2--------

-1-	-2-	Status	Tests
0	1	Covered	T2,T3,T27
1	0	Covered	T2,T3,T27
1	1	Covered	T2,T3,T27

 LINE       383
 EXPRESSION (bit_strobe_i && out_nrzi_en)
             ------1-----    -----2-----

-1-	-2-	Status	Tests
0	1	Covered	T2,T3,T27
1	0	Covered	T1,T2,T3
1	1	Covered	T2,T3,T27

 LINE       431
 EXPRESSION (link_reset_i ? 1'b0 : oe_d)
             ------1-----

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T1,T2,T3

 LINE       440
 EXPRESSION (link_reset_i ? 1'b0 : usb_d_d)
             ------1-----

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T1,T2,T3

 LINE       447
 EXPRESSION (link_reset_i ? 1'b0 : usb_se0_d)
             ------1-----

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T1,T2,T3

 LINE       461
 EXPRESSION (1'b0 ^ cfg_pinflip_i)
             --1-   ------2------

-1-	-2-	Status	Tests
-	0	Covered	T1,T2,T3
-	1	Covered	T13,T14,T47

 LINE       462
 EXPRESSION (1'b1 ^ cfg_pinflip_i)
             --1-   ------2------

-1-	-2-	Status	Tests
-	0	Covered	T1,T2,T3
-	1	Covered	T13,T14,T47

 LINE       465
 EXPRESSION ((cfg_pinflip_i ? ((~usb_d_d)) : usb_d_d) & ((~usb_se0_d)))
             --------------------1-------------------   -------2------

-1-	-2-	Status	Tests
0	1	Covered	T1,T2,T3
1	0	Covered	T3,T27,T4
1	1	Covered	T1,T2,T3

 LINE       465
 SUB-EXPRESSION (cfg_pinflip_i ? ((~usb_d_d)) : usb_d_d)
                 ------1------

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T10,T13,T14

 LINE       466
 EXPRESSION ((cfg_pinflip_i ? usb_d_d : ((~usb_d_d))) & ((~usb_se0_d)))
             --------------------1-------------------   -------2------

-1-	-2-	Status	Tests
0	1	Covered	T1,T2,T3
1	0	Covered	T2,T3,T27
1	1	Covered	T1,T2,T3

 LINE       466
 SUB-EXPRESSION (cfg_pinflip_i ? usb_d_d : ((~usb_d_d)))
                 ------1------

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T10,T13,T14

---

FSM Coverage for Module : usb_fs_tx

Summary for FSM :: state_q

	Total	Covered	Percent
States	7	6	85.71	(Not included in score)
Transitions	13	7	53.85
Sequences	0	0

State, Transition and Sequence Details for FSM :: state_q

---

states	Line No.	Covered	Tests
Crc161	193	Covered	T2,T3,T27
DataOrCrc160	172	Covered	T2,T3,T27
Eop	174	Covered	T2,T3,T27
Idle	313	Covered	T1,T2,T3
OscTest	153	Not Covered
Pid	162	Covered	T2,T3,T27
Sync	156	Covered	T2,T3,T27

transitions	Line No.	Covered	Tests
Crc161->Eop	208	Covered	T2,T3,T27
Crc161->Idle	313	Not Covered
DataOrCrc160->Crc161	193	Covered	T2,T3,T27
DataOrCrc160->Idle	313	Not Covered
Eop->Idle	313	Covered	T2,T3,T27
Idle->OscTest	153	Not Covered
Idle->Sync	156	Covered	T2,T3,T27
OscTest->Idle	313	Not Covered
Pid->DataOrCrc160	172	Covered	T2,T3,T27
Pid->Eop	174	Covered	T2,T3,T27
Pid->Idle	313	Not Covered
Sync->Idle	313	Not Covered
Sync->Pid	162	Covered	T2,T3,T27

Summary for FSM :: out_state_q

	Total	Covered	Percent
States	3	3	100.00	(Not included in score)
Transitions	4	3	75.00
Sequences	0	0

State, Transition and Sequence Details for FSM :: out_state_q

---

states	Line No.	Covered	Tests
OsIdle	422	Covered	T1,T2,T3
OsTransmit	356	Covered	T2,T3,T27
OsWaitByte	350	Covered	T2,T3,T27

transitions	Line No.	Covered	Tests
OsIdle->OsWaitByte	350	Covered	T2,T3,T27
OsTransmit->OsIdle	422	Covered	T2,T3,T27
OsWaitByte->OsIdle	422	Not Covered
OsWaitByte->OsTransmit	356	Covered	T2,T3,T27

---

Branch Coverage for Module : usb_fs_tx

	Line No.	Total	Covered	Percent
Branches		66	60	90.91
TERNARY	98	2	2	100.00
TERNARY	431	2	2	100.00
TERNARY	440	2	2	100.00
TERNARY	447	2	2	100.00
IF	87	3	3	100.00
IF	111	3	3	100.00
CASE	150	19	14	73.68
IF	240	4	4	100.00
IF	270	2	2	100.00
IF	286	2	2	100.00
IF	290	2	2	100.00
IF	300	3	3	100.00
CASE	347	7	6	85.71
IF	379	8	8	100.00
IF	416	3	3	100.00
IF	459	2	2	100.00

WARNING: The source file /workspace/default/sim-vcs/../src/lowrisc_ip_usb_fs_nb_pe_0.1/rtl/usb_fs_tx.sv' or '../src/lowrisc_ip_usb_fs_nb_pe_0.1/rtl/usb_fs_tx.sv was not found/opened, so annotated branch coverage report could not be generated.

	LineNo.	Expression
-1-:	98	(pkt_start_i) ? 

Branches:

-1-	Status	Tests
1	Covered	T2,T3,T27
0	Covered	T1,T2,T3

	LineNo.	Expression
-1-:	431	(link_reset_i) ? 

Branches:

-1-	Status	Tests
1	Covered	T1,T2,T3
0	Covered	T1,T2,T3

	LineNo.	Expression
-1-:	440	(link_reset_i) ? 

Branches:

-1-	Status	Tests
1	Covered	T1,T2,T3
0	Covered	T1,T2,T3

	LineNo.	Expression
-1-:	447	(link_reset_i) ? 

Branches:

-1-	Status	Tests
1	Covered	T1,T2,T3
0	Covered	T1,T2,T3

	LineNo.	Expression
-1-:	87	if ((!rst_ni))
-2-:	90	if (link_reset_i)

Branches:

-1-	-2-	Status	Tests
1	-	Covered	T1,T2,T3
0	1	Covered	T1,T2,T3
0	0	Covered	T1,T2,T3

	LineNo.	Expression
-1-:	111	if ((!rst_ni))
-2-:	117	if (link_reset_i)

Branches:

-1-	-2-	Status	Tests
1	-	Covered	T1,T2,T3
0	1	Covered	T1,T2,T3
0	0	Covered	T1,T2,T3

	LineNo.	Expression
-1-:	150	case (state_q)
-2-:	152	if (tx_osc_test_mode_i)
-3-:	155	if (pkt_start_i)
-4-:	161	if (byte_strobe_q)
-5-:	170	if (byte_strobe_q)
-6-:	171	if ((pid_q[1:0] == 2'b11))
-7-:	184	if (byte_strobe_q)
-8-:	185	if (tx_data_avail_i)
-9-:	207	if (byte_strobe_q)
-10-:	217	if (byte_strobe_q)
-11-:	226	if (((!tx_osc_test_mode_i) && byte_strobe_q))
-12-:	229	if (byte_strobe_q)

Branches:

-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	Status	Tests
Idle	1	-	-	-	-	-	-	-	-	-	-	Not Covered
Idle	0	1	-	-	-	-	-	-	-	-	-	Covered	T2,T3,T27
Idle	0	0	-	-	-	-	-	-	-	-	-	Covered	T1,T2,T3
Sync	-	-	1	-	-	-	-	-	-	-	-	Covered	T2,T3,T27
Sync	-	-	0	-	-	-	-	-	-	-	-	Covered	T2,T3,T27
Pid	-	-	-	1	1	-	-	-	-	-	-	Covered	T2,T3,T27
Pid	-	-	-	1	0	-	-	-	-	-	-	Covered	T2,T3,T27
Pid	-	-	-	0	-	-	-	-	-	-	-	Covered	T2,T3,T27
DataOrCrc160	-	-	-	-	-	1	1	-	-	-	-	Covered	T3,T27,T7
DataOrCrc160	-	-	-	-	-	1	0	-	-	-	-	Covered	T2,T3,T27
DataOrCrc160	-	-	-	-	-	0	-	-	-	-	-	Covered	T2,T3,T27
Crc161	-	-	-	-	-	-	-	1	-	-	-	Covered	T2,T3,T27
Crc161	-	-	-	-	-	-	-	0	-	-	-	Covered	T2,T3,T27
Eop	-	-	-	-	-	-	-	-	1	-	-	Covered	T2,T3,T27
Eop	-	-	-	-	-	-	-	-	0	-	-	Covered	T2,T3,T27
OscTest	-	-	-	-	-	-	-	-	-	1	-	Not Covered
OscTest	-	-	-	-	-	-	-	-	-	0	1	Not Covered
OscTest	-	-	-	-	-	-	-	-	-	0	0	Not Covered
default	-	-	-	-	-	-	-	-	-	-	-	Not Covered

	LineNo.	Expression
-1-:	240	if (pkt_start_i)
-2-:	248	if (bit_strobe_i)
-3-:	250	if (bitstuff)

Branches:

-1-	-2-	-3-	Status	Tests
1	-	-	Covered	T2,T3,T27
0	1	1	Covered	T3,T27,T7
0	1	0	Covered	T1,T2,T3
0	0	-	Covered	T1,T2,T3

	LineNo.	Expression
-1-:	270	if (((bit_strobe_i && (!bitstuff)) && (!pkt_start_i)))

Branches:

-1-	Status	Tests
1	Covered	T1,T2,T3
0	Covered	T1,T2,T3

	LineNo.	Expression
-1-:	286	if (pkt_start_i)

Branches:

-1-	Status	Tests
1	Covered	T2,T3,T27
0	Covered	T1,T2,T3

	LineNo.	Expression
-1-:	290	if ((((bit_strobe_i && data_payload_q) && (!bitstuff_q4)) && (!pkt_start_i)))

Branches:

-1-	Status	Tests
1	Covered	T3,T27,T7
0	Covered	T1,T2,T3

	LineNo.	Expression
-1-:	300	if ((!rst_ni))
-2-:	312	if (link_reset_i)

Branches:

-1-	-2-	Status	Tests
1	-	Covered	T1,T2,T3
0	1	Covered	T1,T2,T3
0	0	Covered	T1,T2,T3

	LineNo.	Expression
-1-:	347	case (out_state_q)
-2-:	349	if ((pkt_start_i || test_mode_start))
-3-:	355	if (byte_strobe_q)
-4-:	362	if ((bit_strobe_i && (!serial_tx_oe)))

Branches:

-1-	-2-	-3-	-4-	Status	Tests
OsIdle	1	-	-	Covered	T2,T3,T27
OsIdle	0	-	-	Covered	T1,T2,T3
OsWaitByte	-	1	-	Covered	T2,T3,T27
OsWaitByte	-	0	-	Covered	T2,T3,T27
OsTransmit	-	-	1	Covered	T2,T3,T27
OsTransmit	-	-	0	Covered	T2,T3,T27
default	-	-	-	Not Covered

	LineNo.	Expression
-1-:	379	if (pkt_start_i)
-2-:	383	if ((bit_strobe_i && out_nrzi_en))
-3-:	386	if (serial_tx_se0)
-4-:	390	if (dp_eop_q[0])
-5-:	399	if (serial_tx_data)
-6-:	408	if ((!oe_d))

Branches:

-1-	-2-	-3-	-4-	-5-	-6-	Status	Tests
1	-	-	-	-	-	Covered	T2,T3,T27
0	1	1	1	-	-	Covered	T2,T3,T27
0	1	1	0	-	-	Covered	T2,T3,T27
0	1	0	-	1	-	Covered	T2,T3,T27
0	1	0	-	0	-	Covered	T2,T3,T27
0	1	-	-	-	1	Covered	T2,T3,T27
0	1	-	-	-	0	Covered	T2,T3,T27
0	0	-	-	-	-	Covered	T1,T2,T3

	LineNo.	Expression
-1-:	416	if ((!rst_ni))
-2-:	420	if (link_reset_i)

Branches:

-1-	-2-	Status	Tests
1	-	Covered	T1,T2,T3
0	1	Covered	T1,T2,T3
0	0	Covered	T1,T2,T3

	LineNo.	Expression
-1-:	459	if (link_reset_i)

Branches:

-1-	Status	Tests
1	Covered	T1,T2,T3
0	Covered	T1,T2,T3

---

Assert Coverage for Module : usb_fs_tx

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	2	2	100.00	2	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	2	2	100.00	2	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
OutStateValid_A	1107918361	1107765454	0	0
StateValid_A	1107918361	1107765454	0	0

OutStateValid_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	1107918361	1107765454	0	0
T1	483262	483167	0	0
T2	485427	485328	0	0
T3	631743	631654	0	0
T25	482064	481996	0	0
T27	486782	486714	0	0
T28	483238	483170	0	0
T29	482833	482761	0	0
T30	483865	483766	0	0
T31	483638	483568	0	0
T37	487176	487114	0	0

StateValid_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	1107918361	1107765454	0	0
T1	483262	483167	0	0
T2	485427	485328	0	0
T3	631743	631654	0	0
T25	482064	481996	0	0
T27	486782	486714	0	0
T28	483238	483170	0	0
T29	482833	482761	0	0
T30	483865	483766	0	0
T31	483638	483568	0	0
T37	487176	487114	0	0