Unified Coverage Report :: Module :: usbdev_linkstate

Module : usbdev_linkstate

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
71.40	78.85	76.81		37.04	64.29	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	71.40	78.85	76.81		37.04	64.29	100.00

---

Module Instance : tb.dut.usbdev_impl.u_usbdev_linkstate

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
71.40	78.85	76.81		37.04	64.29	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
74.32	82.81	81.18		37.04	70.59	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	82	78.85
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	16	47.06
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	12	75.00
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	0	1
197	1	1
198	1	1
			MISSING_ELSE
204	1	1
205	0	1
206	1	1
207	0	1
			MISSING_ELSE
212	0	1
213	0	1
214	0	1
215	0	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	0	1
327	0	1
329	1	1
			MISSING_ELSE
336	0	1
337	0	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	53	76.81
Logical	69	53	76.81
Non-Logical	0	0
Event	0	0

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

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

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

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

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

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

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

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

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

-1-	-2-	Status	Tests
0	0	Covered	T1,T2,T3
0	1	Covered	T2,T3,T7
1	0	Covered	T8,T9,T10

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

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T8,T9,T10

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

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

 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	T1,T2,T3
1	0	1	Covered	T1,T2,T3
1	1	0	Covered	T2,T3,T7
1	1	1	Covered	T1,T2,T3

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

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

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

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

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

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

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

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

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

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

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

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

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

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

 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,T7
1	Covered	T2,T3,T7

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

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

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

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

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

-1-	Status	Tests
0	Covered	T2,T3,T7
1	Not Covered

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

-1-	-2-	Status	Tests
0	0	Not Covered
0	1	Not Covered
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,T7
0	0	1	Not Covered
0	1	0	Covered	T1,T2,T3
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,T7
1	0	Covered	T12,T13,T14
1	1	Covered	T12,T13,T14

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

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T12,T13,T14

 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,T7
0	0	0	1	Not Covered
0	0	1	0	Covered	T1,T2,T3
0	1	0	0	Covered	T8,T9,T10
1	0	0	0	Covered	T12,T13,T14

---

FSM Coverage for Module : usbdev_linkstate

Summary for FSM :: link_state_q

	Total	Covered	Percent
States	7	4	57.14	(Not included in score)
Transitions	19	4	21.05
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,T7
LinkDisconnected	145	Covered	T1,T2,T3
LinkPowered	151	Covered	T1,T2,T3
LinkPoweredSuspended	163	Not Covered
LinkResuming	161	Not Covered
LinkSuspended	196	Not Covered

transitions	Line No.	Covered	Tests
LinkActive->LinkActiveNoSOF	207	Not Covered
LinkActive->LinkDisconnected	145	Not Covered
LinkActive->LinkSuspended	205	Not Covered
LinkActiveNoSOF->LinkActive	198	Covered	T8,T9,T10
LinkActiveNoSOF->LinkDisconnected	145	Not Covered
LinkActiveNoSOF->LinkSuspended	196	Not Covered
LinkDisconnected->LinkPowered	151	Covered	T1,T2,T3
LinkPowered->LinkActiveNoSOF	157	Covered	T2,T3,T7
LinkPowered->LinkDisconnected	145	Covered	T1,T3,T15
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	T1,T2,T3
RstCnt	254	Covered	T1,T2,T3
RstPend	266	Covered	T2,T3,T7

transitions	Line No.	Covered	Tests
NoRst->RstCnt	254	Covered	T1,T2,T3
RstCnt->NoRst	262	Covered	T1,T2,T3
RstCnt->RstPend	266	Covered	T2,T3,T7
RstPend->NoRst	277	Covered	T2,T3,T7

Summary for FSM :: link_inac_state_q

	Total	Covered	Percent
States	3	2	66.67	(Not included in score)
Transitions	4	2	50.00
Sequences	0	0

State, Transition and Sequence Details for FSM :: link_inac_state_q

---

states	Line No.	Covered	Tests
Active	323	Covered	T1,T2,T3
InactCnt	316	Covered	T1,T2,T3
InactPend	326	Not Covered

transitions	Line No.	Covered	Tests
Active->InactCnt	316	Covered	T1,T2,T3
InactCnt->Active	323	Covered	T1,T2,T3
InactCnt->InactPend	326	Not Covered
InactPend->Active	337	Not Covered

---

Branch Coverage for Module : usbdev_linkstate

	Line No.	Total	Covered	Percent
Branches		56	36	64.29
TERNARY	135	2	2	100.00
IF	144	22	7	31.82
IF	231	2	2	100.00
CASE	250	9	8	88.89
IF	292	2	2	100.00
CASE	311	9	5	55.56
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	T1,T2,T3
0	Covered	T1,T2,T3

	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	T1,T2,T3
0	LinkDisconnected	1	-	-	-	-	-	-	-	-	-	-	-	-	Covered	T1,T2,T3
0	LinkDisconnected	0	-	-	-	-	-	-	-	-	-	-	-	-	Not Covered
0	LinkPowered	-	1	-	-	-	-	-	-	-	-	-	-	-	Covered	T2,T3,T7
0	LinkPowered	-	0	1	-	-	-	-	-	-	-	-	-	-	Not Covered
0	LinkPowered	-	0	0	1	-	-	-	-	-	-	-	-	-	Not Covered
0	LinkPowered	-	0	0	0	-	-	-	-	-	-	-	-	-	Covered	T1,T2,T3
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	-	-	-	-	-	Not Covered
0	LinkActiveNoSOF	-	-	-	-	-	-	-	0	1	-	-	-	-	Covered	T8,T9,T10
0	LinkActiveNoSOF	-	-	-	-	-	-	-	0	0	-	-	-	-	Covered	T2,T3,T7
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	Not Covered
0	default	-	-	-	-	-	-	-	-	-	-	-	-	-	Not Covered

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

Branches:

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

	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	T1,T2,T3
NoRst	0	-	-	-	-	Covered	T1,T2,T3
RstCnt	-	1	-	-	-	Covered	T1,T2,T3
RstCnt	-	0	1	1	-	Covered	T2,T3,T7
RstCnt	-	0	1	0	-	Covered	T2,T3,T7
RstCnt	-	0	0	-	-	Covered	T1,T2,T3
RstPend	-	-	-	-	1	Covered	T2,T3,T7
RstPend	-	-	-	-	0	Covered	T2,T3,T7
default	-	-	-	-	-	Not Covered

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

Branches:

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

	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	T1,T2,T3
Active	0	-	-	-	-	Covered	T1,T2,T3
InactCnt	-	1	-	-	-	Covered	T1,T2,T3
InactCnt	-	0	1	1	-	Not Covered
InactCnt	-	0	1	0	-	Covered	T2,T3,T7
InactCnt	-	0	0	-	-	Covered	T1,T2,T3
InactPend	-	-	-	-	1	Not Covered
InactPend	-	-	-	-	0	Not Covered
default	-	-	-	-	-	Not Covered

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

Branches:

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

	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	T1,T2,T3
0	1	-	Covered	T1,T2,T3
0	0	1	Covered	T12,T13,T14
0	0	0	Covered	T2,T3,T7

	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	T1,T2,T3
0	1	-	Covered	T1,T2,T3
0	0	1	Covered	T2,T3,T7
0	0	0	Covered	T2,T3,T7

---

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

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
LincInacStateValid_A	519536133	519416843	0	0
LinkRstStateValid_A	519536133	519416843	0	0
LinkStateValid_A	519536133	519416843	0	0

LincInacStateValid_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	519536133	519416843	0	0
T1	1868	1716	0	0
T2	403380	403293	0	0
T3	403748	403603	0	0
T7	404016	403951	0	0
T12	123589	123581	0	0
T16	403856	403773	0	0
T17	402304	402231	0	0
T18	402628	402551	0	0
T19	402421	402370	0	0
T20	403147	403072	0	0

LinkRstStateValid_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	519536133	519416843	0	0
T1	1868	1716	0	0
T2	403380	403293	0	0
T3	403748	403603	0	0
T7	404016	403951	0	0
T12	123589	123581	0	0
T16	403856	403773	0	0
T17	402304	402231	0	0
T18	402628	402551	0	0
T19	402421	402370	0	0
T20	403147	403072	0	0

LinkStateValid_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	519536133	519416843	0	0
T1	1868	1716	0	0
T2	403380	403293	0	0
T3	403748	403603	0	0
T7	404016	403951	0	0
T12	123589	123581	0	0
T16	403856	403773	0	0
T17	402304	402231	0	0
T18	402628	402551	0	0
T19	402421	402370	0	0
T20	403147	403072	0	0