Unified Coverage Report :: Module

Module : gpio

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00	100.00		100.00	100.00

Source File(s) :
/workspaces/repo/scratch/os_regression_2024_08_22/gpio-sim-vcs/default/sim-vcs/../src/lowrisc_ip_gpio_0.1/rtl/gpio.sv

Module self-instances :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
tb.dut	100.00	100.00	100.00	100.00		100.00	100.00

Module Instance : tb.dut

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00	100.00	100.00		100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
99.56	99.06	99.24	100.00		99.80	99.68

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
							tb

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
gen_alert_tx[0].u_prim_alert_sender	100.00			100.00
gen_filter[0].u_filter	100.00	100.00	100.00			100.00
gen_filter[10].u_filter	100.00	100.00	100.00			100.00
gen_filter[11].u_filter	100.00	100.00	100.00			100.00
gen_filter[12].u_filter	100.00	100.00	100.00			100.00
gen_filter[13].u_filter	100.00	100.00	100.00			100.00
gen_filter[14].u_filter	100.00	100.00	100.00			100.00
gen_filter[15].u_filter	100.00	100.00	100.00			100.00
gen_filter[16].u_filter	100.00	100.00	100.00			100.00
gen_filter[17].u_filter	100.00	100.00	100.00			100.00
gen_filter[18].u_filter	100.00	100.00	100.00			100.00
gen_filter[19].u_filter	100.00	100.00	100.00			100.00
gen_filter[1].u_filter	100.00	100.00	100.00			100.00
gen_filter[20].u_filter	100.00	100.00	100.00			100.00
gen_filter[21].u_filter	100.00	100.00	100.00			100.00
gen_filter[22].u_filter	100.00	100.00	100.00			100.00
gen_filter[23].u_filter	100.00	100.00	100.00			100.00
gen_filter[24].u_filter	100.00	100.00	100.00			100.00
gen_filter[25].u_filter	100.00	100.00	100.00			100.00
gen_filter[26].u_filter	100.00	100.00	100.00			100.00
gen_filter[27].u_filter	100.00	100.00	100.00			100.00
gen_filter[28].u_filter	100.00	100.00	100.00			100.00
gen_filter[29].u_filter	100.00	100.00	100.00			100.00
gen_filter[2].u_filter	100.00	100.00	100.00			100.00
gen_filter[30].u_filter	100.00	100.00	100.00			100.00
gen_filter[31].u_filter	100.00	100.00	100.00			100.00
gen_filter[3].u_filter	100.00	100.00	100.00			100.00
gen_filter[4].u_filter	100.00	100.00	100.00			100.00
gen_filter[5].u_filter	100.00	100.00	100.00			100.00
gen_filter[6].u_filter	100.00	100.00	100.00			100.00
gen_filter[7].u_filter	100.00	100.00	100.00			100.00
gen_filter[8].u_filter	100.00	100.00	100.00			100.00
gen_filter[9].u_filter	100.00	100.00	100.00			100.00
gpio_csr_assert	85.71						85.71
intr_hw	100.00	100.00				100.00	100.00
tlul_assert_device	100.00	100.00				100.00	100.00
u_reg	99.03	97.69	98.53	100.00		98.95	100.00

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

Line Coverage for Module : gpio

	Line No.	Total	Covered	Percent
TOTAL		32	32	100.00
CONT_ASSIGN	63	1	1	100.00
CONT_ASSIGN	66	1	1	100.00
CONT_ASSIGN	67	1	1	100.00
CONT_ASSIGN	69	1	1	100.00
CONT_ASSIGN	70	1	1	100.00
CONT_ASSIGN	72	1	1	100.00
ALWAYS	76	8	8	100.00
CONT_ASSIGN	92	1	1	100.00
CONT_ASSIGN	93	1	1	100.00
CONT_ASSIGN	95	1	1	100.00
ALWAYS	99	8	8	100.00
ALWAYS	116	1	1	100.00
CONT_ASSIGN	137	1	1	100.00
CONT_ASSIGN	138	1	1	100.00
CONT_ASSIGN	139	1	1	100.00
CONT_ASSIGN	140	1	1	100.00
CONT_ASSIGN	142	1	1	100.00
CONT_ASSIGN	149	1	1	100.00



62                        assign hw2reg.data_in.de = 1'b1;
63         1/1            assign hw2reg.data_in.d  = data_in_d;
           Tests:       T23 T24 T25 
64                      
65                        // GPIO_OUT
66         1/1            assign cio_gpio_o                     = cio_gpio_q;
           Tests:       T23 T24 T25 
67         1/1            assign cio_gpio_en_o                  = cio_gpio_en_q;
           Tests:       T23 T24 T25 
68                      
69         1/1            assign hw2reg.direct_out.d            = cio_gpio_q;
           Tests:       T23 T24 T25 
70         1/1            assign hw2reg.masked_out_upper.data.d = cio_gpio_q[31:16];
           Tests:       T23 T24 T25 
71                        assign hw2reg.masked_out_upper.mask.d = 16'h 0;
72         1/1            assign hw2reg.masked_out_lower.data.d = cio_gpio_q[15:0];
           Tests:       T23 T24 T25 
73                        assign hw2reg.masked_out_lower.mask.d = 16'h 0;
74                      
75                        always_ff @(posedge clk_i or negedge rst_ni) begin
76         1/1              if (!rst_ni) begin
           Tests:       T23 T24 T25 
77         1/1                cio_gpio_q  <= '0;
           Tests:       T23 T24 T25 
78         1/1              end else if (reg2hw.direct_out.qe) begin
           Tests:       T23 T24 T25 
79         1/1                cio_gpio_q <= reg2hw.direct_out.q;
           Tests:       T23 T24 T25 
80         1/1              end else if (reg2hw.masked_out_upper.data.qe) begin
           Tests:       T23 T24 T25 
81         1/1                cio_gpio_q[31:16] <=
           Tests:       T25 T26 T28 
82                              ( reg2hw.masked_out_upper.mask.q & reg2hw.masked_out_upper.data.q) |
83                              (~reg2hw.masked_out_upper.mask.q & cio_gpio_q[31:16]);
84         1/1              end else if (reg2hw.masked_out_lower.data.qe) begin
           Tests:       T23 T24 T25 
85         1/1                cio_gpio_q[15:0] <=
           Tests:       T25 T26 T28 
86                              ( reg2hw.masked_out_lower.mask.q & reg2hw.masked_out_lower.data.q) |
87                              (~reg2hw.masked_out_lower.mask.q & cio_gpio_q[15:0]);
88                          end
                        MISSING_ELSE
89                        end
90                      
91                        // GPIO OE
92         1/1            assign hw2reg.direct_oe.d = cio_gpio_en_q;
           Tests:       T23 T24 T25 
93         1/1            assign hw2reg.masked_oe_upper.data.d = cio_gpio_en_q[31:16];
           Tests:       T23 T24 T25 
94                        assign hw2reg.masked_oe_upper.mask.d = 16'h 0;
95         1/1            assign hw2reg.masked_oe_lower.data.d = cio_gpio_en_q[15:0];
           Tests:       T23 T24 T25 
96                        assign hw2reg.masked_oe_lower.mask.d = 16'h 0;
97                      
98                        always_ff @(posedge clk_i or negedge rst_ni) begin
99         1/1              if (!rst_ni) begin
           Tests:       T23 T24 T25 
100        1/1                cio_gpio_en_q  <= '0;
           Tests:       T23 T24 T25 
101        1/1              end else if (reg2hw.direct_oe.qe) begin
           Tests:       T23 T24 T25 
102        1/1                cio_gpio_en_q <= reg2hw.direct_oe.q;
           Tests:       T23 T24 T25 
103        1/1              end else if (reg2hw.masked_oe_upper.data.qe) begin
           Tests:       T23 T24 T25 
104        1/1                cio_gpio_en_q[31:16] <=
           Tests:       T25 T26 T28 
105                             ( reg2hw.masked_oe_upper.mask.q & reg2hw.masked_oe_upper.data.q) |
106                             (~reg2hw.masked_oe_upper.mask.q & cio_gpio_en_q[31:16]);
107        1/1              end else if (reg2hw.masked_oe_lower.data.qe) begin
           Tests:       T23 T24 T25 
108        1/1                cio_gpio_en_q[15:0] <=
           Tests:       T25 T26 T28 
109                             ( reg2hw.masked_oe_lower.mask.q & reg2hw.masked_oe_lower.data.q) |
110                             (~reg2hw.masked_oe_lower.mask.q & cio_gpio_en_q[15:0]);
111                         end
                        MISSING_ELSE
112                       end
113                     
114                       logic [31:0] data_in_q;
115                       always_ff @(posedge clk_i) begin
116        1/1              data_in_q <= data_in_d;
           Tests:       T23 T24 T25 
117                       end
118                     
119                       logic [31:0] event_intr_rise, event_intr_fall, event_intr_actlow, event_intr_acthigh;
120                       logic [31:0] event_intr_combined;
121                     
122                       // instantiate interrupt hardware primitive
123                       prim_intr_hw #(.Width(32)) intr_hw (
124                         .clk_i,
125                         .rst_ni,
126                         .event_intr_i           (event_intr_combined),
127                         .reg2hw_intr_enable_q_i (reg2hw.intr_enable.q),
128                         .reg2hw_intr_test_q_i   (reg2hw.intr_test.q),
129                         .reg2hw_intr_test_qe_i  (reg2hw.intr_test.qe),
130                         .reg2hw_intr_state_q_i  (reg2hw.intr_state.q),
131                         .hw2reg_intr_state_de_o (hw2reg.intr_state.de),
132                         .hw2reg_intr_state_d_o  (hw2reg.intr_state.d),
133                         .intr_o                 (intr_gpio_o)
134                       );
135                     
136                       // detect four possible individual interrupts
137        1/1            assign event_intr_rise    = (~data_in_q &  data_in_d) & reg2hw.intr_ctrl_en_rising.q;
           Tests:       T23 T24 T25 
138        1/1            assign event_intr_fall    = ( data_in_q & ~data_in_d) & reg2hw.intr_ctrl_en_falling.q;
           Tests:       T23 T24 T25 
139        1/1            assign event_intr_acthigh =                data_in_d  & reg2hw.intr_ctrl_en_lvlhigh.q;
           Tests:       T23 T24 T25 
140        1/1            assign event_intr_actlow  =               ~data_in_d  & reg2hw.intr_ctrl_en_lvllow.q;
           Tests:       T23 T24 T25 
141                     
142        1/1            assign event_intr_combined = event_intr_rise   |
           Tests:       T23 T24 T25 
143                                                    event_intr_fall   |
144                                                    event_intr_actlow |
145                                                    event_intr_acthigh;
146                     
147                       // Alerts
148                       logic [NumAlerts-1:0] alert_test, alerts;
149        1/1            assign alert_test = {
           Tests:       T23 T24 T25

Cond Coverage for Module : gpio

	Total	Covered	Percent
Conditions	3	3	100.00
Logical	3	3	100.00
Non-Logical	0	0
Event	0	0

 LINE       149
 SUB-EXPRESSION (reg2hw.alert_test.q & reg2hw.alert_test.qe)
                 ---------1---------   ----------2---------

-1-	-2-	Status	Tests
0	1	Covered	T44,T45,T12
1	0	Covered	T23,T24,T25
1	1	Covered	T44,T45,T12

Toggle Coverage for Module : gpio

	Total	Covered	Percent
Totals	30	30	100.00
Total Bits	588	588	100.00
Total Bits 0->1	294	294	100.00
Total Bits 1->0	294	294	100.00


Ports	30	30	100.00
Port Bits	588	588	100.00
Port Bits 0->1	294	294	100.00
Port Bits 1->0	294	294	100.00

**Port Details**
Name	Toggle	Toggle 1->0	Tests	Toggle 0->1	Tests	Direction
clk_i	Yes	Yes	T23,T24,T25	Yes	T23,T24,T25	INPUT
rst_ni	Yes	Yes	T31,T32,T43	Yes	T23,T24,T25	INPUT
tl_i.d_ready	Yes	Yes	T25,T27,T29	Yes	T23,T24,T25	INPUT
tl_i.a_user.data_intg[6:0]	Yes	Yes	T23,T24,T25	Yes	T23,T24,T25	INPUT
tl_i.a_user.cmd_intg[6:0]	Yes	Yes	T23,T24,T25	Yes	T23,T24,T25	INPUT
tl_i.a_user.instr_type[3:0]	Yes	Yes	T25,T27,T28	Yes	T25,T27,T28	INPUT
tl_i.a_user.rsvd[4:0]	Unreachable	Unreachable		Unreachable		INPUT
tl_i.a_data[31:0]	Yes	Yes	T23,T24,T25	Yes	T23,T24,T25	INPUT
tl_i.a_mask[3:0]	Yes	Yes	T23,T24,T25	Yes	T23,T24,T25	INPUT
tl_i.a_address[31:0]	Yes	Yes	T23,T24,T25	Yes	T23,T24,T25	INPUT
tl_i.a_source[7:0]	Yes	Yes	T23,T24,T25	Yes	T23,T24,T25	INPUT
tl_i.a_size[1:0]	Yes	Yes	T23,T24,T25	Yes	T23,T24,T25	INPUT
tl_i.a_param[2:0]	Unreachable	Unreachable		Unreachable		INPUT
tl_i.a_opcode[2:0]	Yes	Yes	T23,T24,T25	Yes	T23,T24,T25	INPUT
tl_i.a_valid	Yes	Yes	T23,T24,T25	Yes	T23,T24,T25	INPUT
tl_o.a_ready	Yes	Yes	T23,T24,T25	Yes	T23,T24,T25	OUTPUT
tl_o.d_error	Yes	Yes	T36,T37,T38	Yes	T36,T37,T38	OUTPUT
tl_o.d_user.data_intg[6:0]	Yes	Yes	T23,T24,T25	Yes	T23,T24,T25	OUTPUT
tl_o.d_user.rsp_intg[5:0]	Yes	Yes	T23,T24,*T25	Yes	T23,T24,T25	OUTPUT
tl_o.d_user.rsp_intg[6]	Unreachable	Unreachable		Unreachable		OUTPUT
tl_o.d_data[31:0]	Yes	Yes	T23,T24,T25	Yes	T23,T24,T25	OUTPUT
tl_o.d_sink	Unreachable	Unreachable		Unreachable		OUTPUT
tl_o.d_source[7:0]	Yes	Yes	T23,T24,T25	Yes	T23,T24,T25	OUTPUT
tl_o.d_size[1:0]	Yes	Yes	T23,T24,T25	Yes	T23,T24,T25	OUTPUT
tl_o.d_param[2:0]	Unreachable	Unreachable		Unreachable		OUTPUT
tl_o.d_opcode[0]	Yes	Yes	T23,T24,*T25	Yes	T23,T24,T25	OUTPUT
tl_o.d_opcode[2:1]	Unreachable	Unreachable		Unreachable		OUTPUT
tl_o.d_valid	Yes	Yes	T23,T24,T25	Yes	T23,T24,T25	OUTPUT
intr_gpio_o[31:0]	Yes	Yes	T27,T29,T30	Yes	T27,T29,T30	OUTPUT
alert_rx_i[0].ack_n	Yes	Yes	T23,T24,T25	Yes	T23,T24,T25	INPUT
alert_rx_i[0].ack_p	Yes	Yes	T32,T44,T45	Yes	T32,T44,T45	INPUT
alert_rx_i[0].ping_n	Unreachable	Unreachable		Unreachable		INPUT
alert_rx_i[0].ping_p	Unreachable	Unreachable		Unreachable		INPUT
alert_tx_o[0].alert_n	Yes	Yes	T23,T24,T25	Yes	T23,T24,T25	OUTPUT
alert_tx_o[0].alert_p	Yes	Yes	T32,T44,T45	Yes	T32,T44,T45	OUTPUT
cio_gpio_i[31:0]	Yes	Yes	T23,T24,T25	Yes	T23,T24,T25	INPUT
cio_gpio_o[31:0]	Yes	Yes	T23,T24,T25	Yes	T23,T24,T25	OUTPUT
cio_gpio_en_o[31:0]	Yes	Yes	T23,T24,T25	Yes	T23,T24,T25	OUTPUT

*Tests covering at least one bit in the range

Branch Coverage for Module : gpio

	Line No.	Total	Covered	Percent
Branches		10	10	100.00
IF	76	5	5	100.00
IF	99	5	5	100.00



76             if (!rst_ni) begin
               -1-  
77               cio_gpio_q  <= '0;
                 ==>
78             end else if (reg2hw.direct_out.qe) begin
                        -2-  
79               cio_gpio_q <= reg2hw.direct_out.q;
                 ==>
80             end else if (reg2hw.masked_out_upper.data.qe) begin
                        -3-  
81               cio_gpio_q[31:16] <=
                 ==>
82                 ( reg2hw.masked_out_upper.mask.q & reg2hw.masked_out_upper.data.q) |
83                 (~reg2hw.masked_out_upper.mask.q & cio_gpio_q[31:16]);
84             end else if (reg2hw.masked_out_lower.data.qe) begin
                        -4-  
85               cio_gpio_q[15:0] <=
                 ==>
86                 ( reg2hw.masked_out_lower.mask.q & reg2hw.masked_out_lower.data.q) |
87                 (~reg2hw.masked_out_lower.mask.q & cio_gpio_q[15:0]);
88             end
               MISSING_ELSE
               ==>

Branches:

-1-	-2-	-3-	-4-	Status	Tests
1	-	-	-	Covered	T23,T24,T25
0	1	-	-	Covered	T23,T24,T25
0	0	1	-	Covered	T25,T26,T28
0	0	0	1	Covered	T25,T26,T28
0	0	0	0	Covered	T23,T24,T25



99             if (!rst_ni) begin
               -1-  
100              cio_gpio_en_q  <= '0;
                 ==>
101            end else if (reg2hw.direct_oe.qe) begin
                        -2-  
102              cio_gpio_en_q <= reg2hw.direct_oe.q;
                 ==>
103            end else if (reg2hw.masked_oe_upper.data.qe) begin
                        -3-  
104              cio_gpio_en_q[31:16] <=
                 ==>
105                ( reg2hw.masked_oe_upper.mask.q & reg2hw.masked_oe_upper.data.q) |
106                (~reg2hw.masked_oe_upper.mask.q & cio_gpio_en_q[31:16]);
107            end else if (reg2hw.masked_oe_lower.data.qe) begin
                        -4-  
108              cio_gpio_en_q[15:0] <=
                 ==>
109                ( reg2hw.masked_oe_lower.mask.q & reg2hw.masked_oe_lower.data.q) |
110                (~reg2hw.masked_oe_lower.mask.q & cio_gpio_en_q[15:0]);
111            end
               MISSING_ELSE
               ==>

Branches:

-1-	-2-	-3-	-4-	Status	Tests
1	-	-	-	Covered	T23,T24,T25
0	1	-	-	Covered	T23,T24,T25
0	0	1	-	Covered	T25,T26,T28
0	0	0	1	Covered	T25,T26,T28
0	0	0	0	Covered	T23,T24,T25

Assert Coverage for Module : gpio

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	5	5	100.00	5	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	5	5	100.00	5	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
AlertsKnown_A	48919047	48596160	0	0
CioGpioEnOKnown	48919047	48596160	0	0
CioGpioOKnown	48919047	48596160	0	0
FpvSecCmRegWeOnehotCheck_A	48919047	130	0	0
IntrGpioKnown	48919047	48596160	0	0

AlertsKnown_A

Name	Attempts	Real Successes
Total	48919047	48596160
T23	3995	3900
T24	2815	2738
T25	3457	3368
T26	2638	2544
T27	2826	2729
T28	2104	2041
T29	2846	2779
T30	4400	4328
T31	2341	1972
T32	5222	3794

CioGpioEnOKnown

Name	Attempts	Real Successes
Total	48919047	48596160
T23	3995	3900
T24	2815	2738
T25	3457	3368
T26	2638	2544
T27	2826	2729
T28	2104	2041
T29	2846	2779
T30	4400	4328
T31	2341	1972
T32	5222	3794

CioGpioOKnown

Name	Attempts	Real Successes
Total	48919047	48596160
T23	3995	3900
T24	2815	2738
T25	3457	3368
T26	2638	2544
T27	2826	2729
T28	2104	2041
T29	2846	2779
T30	4400	4328
T31	2341	1972
T32	5222	3794

FpvSecCmRegWeOnehotCheck_A

Name	Attempts	Real Successes
Total	48919047	130
T11	0	30
T32	5222	20
T33	37373	0
T34	3937	0
T35	27377	0
T42	0	30
T44	1483	0
T48	2706	0
T56	0	20
T57	0	30
T58	2269	0
T59	3589	0
T60	2144	0
T61	5159	0

IntrGpioKnown

Name	Attempts	Real Successes
Total	48919047	48596160
T23	3995	3900
T24	2815	2738
T25	3457	3368
T26	2638	2544
T27	2826	2729
T28	2104	2041
T29	2846	2779
T30	4400	4328
T31	2341	1972
T32	5222	3794