Unified Coverage Report :: Module :: usbdev_linkstate

Module : usbdev_linkstate

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
78.42	85.58	86.96		48.15	71.43	100.00

Source File(s) :
/workspace/default/sim-vcs/../src/lowrisc_ip_usbdev_0.1/rtl/usbdev_linkstate.sv

Module self-instances :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
tb.dut.usbdev_impl.u_usbdev_linkstate	78.42	85.58	86.96		48.15	71.43	100.00

---

Module Instance : tb.dut.usbdev_impl.u_usbdev_linkstate

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
78.42	85.58	86.96		48.15	71.43	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
80.46	88.28	89.41		48.15	76.47	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
95.06	96.55	92.77			90.91	100.00	usbdev_impl

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
filter_pwr_sense	100.00	100.00	100.00			100.00
filter_se0	100.00	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 : usbdev_linkstate

	Line No.	Total	Covered	Percent
TOTAL		104	89	85.58
CONT_ASSIGN	92	1	1	100.00
CONT_ASSIGN	93	1	1	100.00
CONT_ASSIGN	94	1	1	100.00
CONT_ASSIGN	96	1	1	100.00
CONT_ASSIGN	99	1	1	100.00
CONT_ASSIGN	105	1	1	100.00
CONT_ASSIGN	133	1	1	100.00
CONT_ASSIGN	135	1	1	100.00
ALWAYS	139	34	19	55.88
ALWAYS	231	3	3	100.00
ALWAYS	245	18	18	100.00
CONT_ASSIGN	289	1	1	100.00
ALWAYS	292	5	5	100.00
ALWAYS	307	16	16	100.00
ALWAYS	348	5	5	100.00
CONT_ASSIGN	365	1	1	100.00
ALWAYS	367	6	6	100.00
CONT_ASSIGN	378	1	1	100.00
ALWAYS	380	6	6	100.00

WARNING: The source file '/workspace/default/sim-vcs/../src/lowrisc_ip_usbdev_0.1/rtl/usbdev_linkstate.sv' or '../src/lowrisc_ip_usbdev_0.1/rtl/usbdev_linkstate.sv' was not found, so annotated line coverage report could not be generated.

Line No.	Covered	Statements
92	1	1
93	1	1
94	1	1
96	1	1
99	1	1
105	1	1
133	1	1
135	1	1
139	1	1
140	1	1
144	1	1
145	1	1
147	1	1
150	1	1
151	1	1
			==> MISSING_ELSE
156	1	1
157	1	1
158	1	1
161	0	1
162	1	1
163	0	1
			MISSING_ELSE
168	0	1
169	0	1
170	0	1
171	0	1
172	0	1
			==> MISSING_ELSE
184	0	1
185	0	1
186	0	1
			==> MISSING_ELSE
195	1	1
196	1	1
197	1	1
198	1	1
			MISSING_ELSE
204	1	1
205	0	1
206	1	1
207	0	1
			MISSING_ELSE
212	1	1
213	0	1
214	0	1
215	1	1
216	0	1
			MISSING_ELSE
231	1	1
232	1	1
234	1	1
245	1	1
246	1	1
247	1	1
248	1	1
250	1	1
253	1	1
254	1	1
255	1	1
			MISSING_ELSE
261	1	1
262	1	1
264	1	1
265	1	1
266	1	1
268	1	1
			MISSING_ELSE
276	1	1
277	1	1
278	1	1
			MISSING_ELSE
280	1	1
289	1	1
292	1	1
293	1	1
294	1	1
296	1	1
297	1	1
307	1	1
308	1	1
309	1	1
311	1	1
314	1	1
315	1	1
316	1	1
			MISSING_ELSE
322	1	1
323	1	1
324	1	1
325	1	1
326	1	1
327	1	1
329	1	1
			MISSING_ELSE
336	1	1
337	1	1
			==> MISSING_ELSE
348	1	1
349	1	1
350	1	1
352	1	1
353	1	1
365	1	1
367	1	1
368	1	1
370	1	1
371	1	1
372	1	1
373	1	1
			MISSING_ELSE
378	1	1
380	1	1
381	1	1
383	1	1
384	1	1
385	1	1
386	1	1
			MISSING_ELSE

---

Cond Coverage for Module : usbdev_linkstate

	Total	Covered	Percent
Conditions	69	60	86.96
Logical	69	60	86.96
Non-Logical	0	0
Event	0	0

 LINE       92
 EXPRESSION (link_state_q == LinkDisconnected)
            -----------------1----------------

-1-	Status	Tests
0	Covered	T2,T3,T4
1	Covered	T2,T3,T4

 LINE       94
 EXPRESSION ((link_state_q == LinkSuspended) || (link_state_q == LinkPoweredSuspended))
             ---------------1---------------    -------------------2------------------

-1-	-2-	Status	Tests
0	0	Covered	T2,T3,T4
0	1	Not Covered
1	0	Covered	T5,T6,T7

 LINE       94
 SUB-EXPRESSION (link_state_q == LinkSuspended)
                ---------------1---------------

-1-	Status	Tests
0	Covered	T2,T3,T4
1	Covered	T5,T6,T7

 LINE       94
 SUB-EXPRESSION (link_state_q == LinkPoweredSuspended)
                -------------------1------------------

-1-	Status	Tests
0	Covered	T2,T3,T4
1	Not Covered

 LINE       96
 EXPRESSION ((link_state_q == LinkActive) || (link_state_q == LinkActiveNoSOF))
             --------------1-------------    ----------------2----------------

-1-	-2-	Status	Tests
0	0	Covered	T2,T3,T4
0	1	Covered	T2,T3,T4
1	0	Covered	T8,T9,T10

 LINE       96
 SUB-EXPRESSION (link_state_q == LinkActive)
                --------------1-------------

-1-	Status	Tests
0	Covered	T2,T3,T4
1	Covered	T8,T9,T10

 LINE       96
 SUB-EXPRESSION (link_state_q == LinkActiveNoSOF)
                ----------------1----------------

-1-	Status	Tests
0	Covered	T2,T3,T4
1	Covered	T2,T3,T4

 LINE       105
 EXPRESSION ((usb_dn_i == 1'b0) & (usb_dp_i == 1'b0) & (usb_oe_i == 1'b0))
             ---------1--------   ---------2--------   ---------3--------

-1-	-2-	-3-	Status	Tests
0	1	1	Covered	T2,T3,T4
1	0	1	Covered	T2,T3,T4
1	1	0	Covered	T2,T3,T4
1	1	1	Covered	T2,T3,T4

 LINE       105
 SUB-EXPRESSION (usb_dn_i == 1'b0)
                ---------1--------

-1-	Status	Tests
0	Covered	T2,T3,T4
1	Covered	T2,T3,T4

 LINE       105
 SUB-EXPRESSION (usb_dp_i == 1'b0)
                ---------1--------

-1-	Status	Tests
0	Covered	T2,T3,T4
1	Covered	T2,T3,T4

 LINE       105
 SUB-EXPRESSION (usb_oe_i == 1'b0)
                ---------1--------

-1-	Status	Tests
0	Covered	T2,T3,T4
1	Covered	T2,T3,T4

 LINE       135
 EXPRESSION (see_pwr_sense ? ((link_state_q == LinkPowered) | link_active_o) : 1'b0)
             ------1------

-1-	Status	Tests
0	Covered	T2,T3,T4
1	Covered	T2,T3,T4

 LINE       135
 SUB-EXPRESSION ((link_state_q == LinkPowered) | link_active_o)
                 --------------1--------------   ------2------

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

 LINE       135
 SUB-EXPRESSION (link_state_q == LinkPowered)
                --------------1--------------

-1-	Status	Tests
0	Covered	T2,T3,T4
1	Covered	T2,T3,T4

 LINE       144
 EXPRESSION (((!see_pwr_sense)) || ((!usb_pullup_en_i)))
             ---------1--------    ----------2---------

-1-	-2-	Status	Tests
0	0	Covered	T2,T3,T4
0	1	Covered	T2,T3,T4
1	0	Covered	T8,T9,T11

 LINE       150
 EXPRESSION (see_pwr_sense & usb_pullup_en_i)
             ------1------   -------2-------

-1-	-2-	Status	Tests
0	1	Not Covered
1	0	Not Covered
1	1	Covered	T2,T3,T4

 LINE       184
 EXPRESSION (rx_j_det_i | ev_reset)
             -----1----   ----2---

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

 LINE       265
 EXPRESSION (link_rst_timer_q == RESET_TIMEOUT)
            -----------------1-----------------

-1-	Status	Tests
0	Covered	T2,T3,T4
1	Covered	T2,T3,T4

 LINE       315
 EXPRESSION (((!ev_bus_active)) && monitor_inac)
             ---------1--------    ------2-----

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

 LINE       322
 EXPRESSION (ev_bus_active || ((!monitor_inac)))
             ------1------    --------2--------

-1-	-2-	Status	Tests
0	0	Covered	T2,T3,T4
0	1	Covered	T8,T9,T11
1	0	Covered	T2,T3,T4

 LINE       325
 EXPRESSION (link_inac_timer_q == SUSPEND_TIMEOUT)
            -------------------1------------------

-1-	Status	Tests
0	Covered	T2,T3,T4
1	Covered	T5,T6,T7

 LINE       336
 EXPRESSION (ev_bus_active || ((!monitor_inac)))
             ------1------    --------2--------

-1-	-2-	Status	Tests
0	0	Not Covered
0	1	Covered	T5,T6,T7
1	0	Not Covered

 LINE       370
 EXPRESSION (sof_detected_i || ((!link_active_o)) || link_reset)
             -------1------    ---------2--------    -----3----

-1-	-2-	-3-	Status	Tests
0	0	0	Covered	T2,T3,T4
0	0	1	Covered	T12,T13,T14
0	1	0	Covered	T2,T3,T4
1	0	0	Covered	T8,T9,T10

 LINE       372
 EXPRESSION (sof_missed_o && ((!host_lost_o)))
             ------1-----    --------2-------

-1-	-2-	Status	Tests
0	1	Covered	T2,T3,T4
1	0	Covered	T4,T15,T16
1	1	Covered	T4,T5,T15

 LINE       378
 EXPRESSION (missing_sof_timer == SOF_TIMEOUT)
            -----------------1----------------

-1-	Status	Tests
0	Covered	T2,T3,T4
1	Covered	T4,T5,T15

 LINE       383
 EXPRESSION (sof_missed_o || sof_detected_i || ((!link_active_o)) || link_reset)
             ------1-----    -------2------    ---------3--------    -----4----

-1-	-2-	-3-	-4-	Status	Tests
0	0	0	0	Covered	T2,T3,T4
0	0	0	1	Covered	T12,T13,T14
0	0	1	0	Covered	T2,T3,T4
0	1	0	0	Covered	T8,T9,T10
1	0	0	0	Covered	T4,T5,T15

---

FSM Coverage for Module : usbdev_linkstate

Summary for FSM :: link_state_q

	Total	Covered	Percent
States	7	5	71.43	(Not included in score)
Transitions	19	5	26.32
Sequences	0	0

State, Transition and Sequence Details for FSM :: link_state_q

---

states	Line No.	Covered	Tests
LinkActive	198	Covered	T8,T9,T10
LinkActiveNoSOF	157	Covered	T2,T3,T4
LinkDisconnected	145	Covered	T2,T3,T4
LinkPowered	151	Covered	T2,T3,T4
LinkPoweredSuspended	163	Not Covered
LinkResuming	161	Not Covered
LinkSuspended	196	Covered	T5,T6,T7

transitions	Line No.	Covered	Tests
LinkActive->LinkActiveNoSOF	207	Not Covered
LinkActive->LinkDisconnected	145	Covered	T8,T9,T11
LinkActive->LinkSuspended	205	Not Covered
LinkActiveNoSOF->LinkActive	198	Covered	T8,T9,T10
LinkActiveNoSOF->LinkDisconnected	145	Not Covered
LinkActiveNoSOF->LinkSuspended	196	Covered	T5,T6,T7
LinkDisconnected->LinkPowered	151	Covered	T2,T3,T4
LinkPowered->LinkActiveNoSOF	157	Covered	T2,T3,T4
LinkPowered->LinkDisconnected	145	Not Covered
LinkPowered->LinkPoweredSuspended	163	Not Covered
LinkPowered->LinkResuming	161	Not Covered
LinkPoweredSuspended->LinkActiveNoSOF	169	Not Covered
LinkPoweredSuspended->LinkDisconnected	145	Not Covered
LinkPoweredSuspended->LinkPowered	172	Not Covered
LinkResuming->LinkActiveNoSOF	186	Not Covered
LinkResuming->LinkDisconnected	145	Not Covered
LinkSuspended->LinkActiveNoSOF	214	Not Covered
LinkSuspended->LinkDisconnected	145	Not Covered
LinkSuspended->LinkResuming	216	Not Covered

Summary for FSM :: link_rst_state_q

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

State, Transition and Sequence Details for FSM :: link_rst_state_q

---

states	Line No.	Covered	Tests
NoRst	262	Covered	T2,T3,T4
RstCnt	254	Covered	T2,T3,T4
RstPend	266	Covered	T2,T3,T4

transitions	Line No.	Covered	Tests
NoRst->RstCnt	254	Covered	T2,T3,T4
RstCnt->NoRst	262	Covered	T2,T3,T4
RstCnt->RstPend	266	Covered	T2,T3,T4
RstPend->NoRst	277	Covered	T2,T3,T4

Summary for FSM :: link_inac_state_q

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

State, Transition and Sequence Details for FSM :: link_inac_state_q

---

states	Line No.	Covered	Tests
Active	323	Covered	T2,T3,T4
InactCnt	316	Covered	T2,T3,T4
InactPend	326	Covered	T5,T6,T7

transitions	Line No.	Covered	Tests
Active->InactCnt	316	Covered	T2,T3,T4
InactCnt->Active	323	Covered	T2,T3,T4
InactCnt->InactPend	326	Covered	T5,T6,T7
InactPend->Active	337	Covered	T5,T6,T7

---

Branch Coverage for Module : usbdev_linkstate

	Line No.	Total	Covered	Percent
Branches		56	40	71.43
TERNARY	135	2	2	100.00
IF	144	22	9	40.91
IF	231	2	2	100.00
CASE	250	9	8	88.89
IF	292	2	2	100.00
CASE	311	9	7	77.78
IF	348	2	2	100.00
IF	367	4	4	100.00
IF	380	4	4	100.00

WARNING: The source file /workspace/default/sim-vcs/../src/lowrisc_ip_usbdev_0.1/rtl/usbdev_linkstate.sv' or '../src/lowrisc_ip_usbdev_0.1/rtl/usbdev_linkstate.sv was not found/opened, so annotated branch coverage report could not be generated.

	LineNo.	Expression
-1-:	135	(see_pwr_sense) ? 

Branches:

-1-	Status	Tests
1	Covered	T2,T3,T4
0	Covered	T2,T3,T4

	LineNo.	Expression
-1-:	144	if (((!see_pwr_sense) || (!usb_pullup_en_i)))
-2-:	147	case (link_state_q)
-3-:	150	if ((see_pwr_sense & usb_pullup_en_i))
-4-:	156	if (ev_reset)
-5-:	158	if (resume_link_active_i)
-6-:	162	if (ev_bus_inactive)
-7-:	168	if (ev_reset)
-8-:	170	if (ev_bus_active)
-9-:	184	if ((rx_j_det_i | ev_reset))
-10-:	195	if (ev_bus_inactive)
-11-:	197	if (sof_detected_i)
-12-:	204	if (ev_bus_inactive)
-13-:	206	if (ev_reset)
-14-:	212	if (ev_reset)
-15-:	215	if (ev_bus_active)

Branches:

-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	Status	Tests
1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	Covered	T2,T3,T4
0	LinkDisconnected	1	-	-	-	-	-	-	-	-	-	-	-	-	Covered	T2,T3,T4
0	LinkDisconnected	0	-	-	-	-	-	-	-	-	-	-	-	-	Not Covered
0	LinkPowered	-	1	-	-	-	-	-	-	-	-	-	-	-	Covered	T2,T3,T4
0	LinkPowered	-	0	1	-	-	-	-	-	-	-	-	-	-	Not Covered
0	LinkPowered	-	0	0	1	-	-	-	-	-	-	-	-	-	Not Covered
0	LinkPowered	-	0	0	0	-	-	-	-	-	-	-	-	-	Covered	T2,T3,T4
0	LinkPoweredSuspended	-	-	-	-	1	-	-	-	-	-	-	-	-	Not Covered
0	LinkPoweredSuspended	-	-	-	-	0	1	-	-	-	-	-	-	-	Not Covered
0	LinkPoweredSuspended	-	-	-	-	0	0	-	-	-	-	-	-	-	Not Covered
0	LinkResuming	-	-	-	-	-	-	1	-	-	-	-	-	-	Not Covered
0	LinkResuming	-	-	-	-	-	-	0	-	-	-	-	-	-	Not Covered
0	LinkActiveNoSOF	-	-	-	-	-	-	-	1	-	-	-	-	-	Covered	T5,T6,T7
0	LinkActiveNoSOF	-	-	-	-	-	-	-	0	1	-	-	-	-	Covered	T8,T9,T10
0	LinkActiveNoSOF	-	-	-	-	-	-	-	0	0	-	-	-	-	Covered	T2,T3,T4
0	LinkActive	-	-	-	-	-	-	-	-	-	1	-	-	-	Not Covered
0	LinkActive	-	-	-	-	-	-	-	-	-	0	1	-	-	Not Covered
0	LinkActive	-	-	-	-	-	-	-	-	-	0	0	-	-	Covered	T8,T9,T10
0	LinkSuspended	-	-	-	-	-	-	-	-	-	-	-	1	-	Not Covered
0	LinkSuspended	-	-	-	-	-	-	-	-	-	-	-	0	1	Not Covered
0	LinkSuspended	-	-	-	-	-	-	-	-	-	-	-	0	0	Covered	T5,T6,T7
0	default	-	-	-	-	-	-	-	-	-	-	-	-	-	Not Covered

	LineNo.	Expression
-1-:	231	if ((!rst_ni))

Branches:

-1-	Status	Tests
1	Covered	T2,T3,T4
0	Covered	T2,T3,T4

	LineNo.	Expression
-1-:	250	case (link_rst_state_q)
-2-:	253	if (see_se0)
-3-:	261	if ((!see_se0))
-4-:	264	if (us_tick_i)
-5-:	265	if ((link_rst_timer_q == RESET_TIMEOUT))
-6-:	276	if ((!see_se0))

Branches:

-1-	-2-	-3-	-4-	-5-	-6-	Status	Tests
NoRst	1	-	-	-	-	Covered	T2,T3,T4
NoRst	0	-	-	-	-	Covered	T2,T3,T4
RstCnt	-	1	-	-	-	Covered	T2,T3,T4
RstCnt	-	0	1	1	-	Covered	T2,T3,T4
RstCnt	-	0	1	0	-	Covered	T2,T3,T4
RstCnt	-	0	0	-	-	Covered	T2,T3,T4
RstPend	-	-	-	-	1	Covered	T2,T3,T4
RstPend	-	-	-	-	0	Covered	T2,T3,T4
default	-	-	-	-	-	Not Covered

	LineNo.	Expression
-1-:	292	if ((!rst_ni))

Branches:

-1-	Status	Tests
1	Covered	T2,T3,T4
0	Covered	T2,T3,T4

	LineNo.	Expression
-1-:	311	case (link_inac_state_q)
-2-:	315	if (((!ev_bus_active) && monitor_inac))
-3-:	322	if ((ev_bus_active || (!monitor_inac)))
-4-:	324	if (us_tick_i)
-5-:	325	if ((link_inac_timer_q == SUSPEND_TIMEOUT))
-6-:	336	if ((ev_bus_active || (!monitor_inac)))

Branches:

-1-	-2-	-3-	-4-	-5-	-6-	Status	Tests
Active	1	-	-	-	-	Covered	T2,T3,T4
Active	0	-	-	-	-	Covered	T2,T3,T4
InactCnt	-	1	-	-	-	Covered	T2,T3,T4
InactCnt	-	0	1	1	-	Covered	T5,T6,T7
InactCnt	-	0	1	0	-	Covered	T2,T3,T4
InactCnt	-	0	0	-	-	Covered	T2,T3,T4
InactPend	-	-	-	-	1	Covered	T5,T6,T7
InactPend	-	-	-	-	0	Not Covered
default	-	-	-	-	-	Not Covered

	LineNo.	Expression
-1-:	348	if ((!rst_ni))

Branches:

-1-	Status	Tests
1	Covered	T2,T3,T4
0	Covered	T2,T3,T4

	LineNo.	Expression
-1-:	367	if ((!rst_ni))
-2-:	370	if (((sof_detected_i || (!link_active_o)) || link_reset))
-3-:	372	if ((sof_missed_o && (!host_lost_o)))

Branches:

-1-	-2-	-3-	Status	Tests
1	-	-	Covered	T2,T3,T4
0	1	-	Covered	T2,T3,T4
0	0	1	Covered	T4,T5,T15
0	0	0	Covered	T2,T3,T4

	LineNo.	Expression
-1-:	380	if ((!rst_ni))
-2-:	383	if ((((sof_missed_o || sof_detected_i) || (!link_active_o)) || link_reset))
-3-:	385	if (us_tick_i)

Branches:

-1-	-2-	-3-	Status	Tests
1	-	-	Covered	T2,T3,T4
0	1	-	Covered	T2,T3,T4
0	0	1	Covered	T2,T3,T4
0	0	0	Covered	T2,T3,T4

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Assert Coverage for Module : usbdev_linkstate

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	3	3	100.00	3	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	3	3	100.00	3	100.00

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Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
LincInacStateValid_A	724486299	724355018	0	0
LinkRstStateValid_A	724486299	724355018	0	0
LinkStateValid_A	724486299	724355018	0	0

LincInacStateValid_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	724486299	724355018	0	0
T2	403840	403767	0	0
T3	402866	402788	0	0
T4	956550	956492	0	0
T5	554152	554092	0	0
T17	413886	413835	0	0
T18	408275	408217	0	0
T19	405467	405415	0	0
T20	403721	403628	0	0
T21	401860	401763	0	0
T22	406112	406058	0	0

LinkRstStateValid_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	724486299	724355018	0	0
T2	403840	403767	0	0
T3	402866	402788	0	0
T4	956550	956492	0	0
T5	554152	554092	0	0
T17	413886	413835	0	0
T18	408275	408217	0	0
T19	405467	405415	0	0
T20	403721	403628	0	0
T21	401860	401763	0	0
T22	406112	406058	0	0

LinkStateValid_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	724486299	724355018	0	0
T2	403840	403767	0	0
T3	402866	402788	0	0
T4	956550	956492	0	0
T5	554152	554092	0	0
T17	413886	413835	0	0
T18	408275	408217	0	0
T19	405467	405415	0	0
T20	403721	403628	0	0
T21	401860	401763	0	0
T22	406112	406058	0	0