Unified Coverage Report :: Module :: prim_fifo_sync

Module : prim_fifo_sync

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
92.01	100.00	68.06			100.00	100.00

Source File(s) :
/workspaces/repo/scratch/os_regression_2024_10_14/rom_ctrl_64kB-sim-vcs/default/sim-vcs/../src/lowrisc_prim_fifo_0/rtl/prim_fifo_sync.sv

Module self-instances :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
tb.dut.u_tl_adapter_rom.u_sramreqfifo	89.06	100.00	56.25			100.00	100.00
tb.dut.u_tl_adapter_rom.u_reqfifo	92.19	100.00	68.75			100.00	100.00
tb.dut.u_tl_adapter_rom.u_rspfifo	94.79	100.00	79.17			100.00	100.00

---

Module Instance : tb.dut.u_tl_adapter_rom.u_sramreqfifo

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
89.06	100.00	56.25			100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
90.36	100.00	71.79	90.00		90.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
91.99	97.22	81.10			89.66	100.00	u_tl_adapter_rom

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
gen_normal_fifo.u_fifo_cnt	84.82	100.00	82.61	90.00		66.67

---

Module Instance : tb.dut.u_tl_adapter_rom.u_reqfifo

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
92.19	100.00	68.75			100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
94.41	100.00	82.05	90.00		100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
91.99	97.22	81.10			89.66	100.00	u_tl_adapter_rom

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
gen_normal_fifo.u_fifo_cnt	95.33	100.00	91.30	90.00		100.00

---

Module Instance : tb.dut.u_tl_adapter_rom.u_rspfifo

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
94.79	100.00	79.17			100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
95.02	100.00	85.11	90.00		100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
91.99	97.22	81.10			89.66	100.00	u_tl_adapter_rom

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
gen_normal_fifo.u_fifo_cnt	95.33	100.00	91.30	90.00		100.00

Line Coverage for Module : prim_fifo_sync ( parameter Width=17,Pass=0,Depth=2,OutputZeroIfEmpty=1,Secure=1,DepthW=2,gen_normal_fifo.PtrW=1 )
Line Coverage for Module self-instances :

SCORE	LINE
92.19	100.00

tb.dut.u_tl_adapter_rom.u_reqfifo

	Line No.	Total	Covered	Percent
TOTAL		14	14	100.00
ALWAYS	69	4	4	100.00
CONT_ASSIGN	81	1	1	100.00
CONT_ASSIGN	82	1	1	100.00
CONT_ASSIGN	100	1	1	100.00
CONT_ASSIGN	101	1	1	100.00
CONT_ASSIGN	120	1	1	100.00
ALWAYS	123	2	2	100.00
CONT_ASSIGN	133	1	1	100.00
CONT_ASSIGN	134	1	1	100.00
CONT_ASSIGN	138	1	1	100.00

68                          always_ff @(posedge clk_i or negedge rst_ni) begin
69         1/1                if (!rst_ni) begin
           Tests:       T1 T2 T3 
70         1/1                  under_rst <= 1'b1;
           Tests:       T1 T2 T3 
71         1/1                end else if (under_rst) begin
           Tests:       T1 T2 T3 
72         1/1                  under_rst <= ~under_rst;
           Tests:       T1 T2 T3 
73                            end
                        MISSING_ELSE
74                          end
75                      
76                          logic empty;
77                      
78                          // full and not ready for write are two different concepts.
79                          // The latter can be '0' when under reset, while the former is an indication that no more
80                          // entries can be written.
81         1/1              assign wready_o = ~full_o & ~under_rst;
           Tests:       T1 T2 T3 
82         1/1              assign rvalid_o = ~empty & ~under_rst;
           Tests:       T1 T2 T3 
83                      
84                          prim_fifo_sync_cnt #(
85                            .Depth(Depth),
86                            .Secure(Secure)
87                          ) u_fifo_cnt (
88                            .clk_i,
89                            .rst_ni,
90                            .clr_i,
91                            .incr_wptr_i(fifo_incr_wptr),
92                            .incr_rptr_i(fifo_incr_rptr),
93                            .wptr_o(fifo_wptr),
94                            .rptr_o(fifo_rptr),
95                            .full_o,
96                            .empty_o(fifo_empty),
97                            .depth_o,
98                            .err_o
99                          );
100        1/1              assign fifo_incr_wptr = wvalid_i & wready_o & ~under_rst;
           Tests:       T1 T2 T3 
101        1/1              assign fifo_incr_rptr = rvalid_o & rready_i & ~under_rst;
           Tests:       T1 T2 T3 
102                     
103                         // the generate blocks below are needed to avoid lint errors due to array indexing
104                         // in the where the fifo only has one storage element
105                         logic [Depth-1:0][Width-1:0] storage;
106                         logic [Width-1:0] storage_rdata;
107                         if (Depth == 1) begin : gen_depth_eq1
108                           assign storage_rdata = storage[0];
109                     
110                           always_ff @(posedge clk_i)
111                             if (fifo_incr_wptr) begin
112                               storage[0] <= wdata_i;
113                             end
114                     
115                           logic unused_ptrs;
116                           assign unused_ptrs = ^{fifo_wptr, fifo_rptr};
117                     
118                         // fifo with more than one storage element
119                         end else begin : gen_depth_gt1
120        1/1                assign storage_rdata = storage[fifo_rptr];
           Tests:       T1 T2 T3 
121                     
122                           always_ff @(posedge clk_i)
123        1/1                  if (fifo_incr_wptr) begin
           Tests:       T1 T2 T3 
124        1/1                    storage[fifo_wptr] <= wdata_i;
           Tests:       T2 T3 T4 
125                             end
                        MISSING_ELSE
126                         end
127                     
128                         logic [Width-1:0] rdata_int;
129                         if (Pass == 1'b1) begin : gen_pass
130                           assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
131                           assign empty = fifo_empty & ~wvalid_i;
132                         end else begin : gen_nopass
133        1/1                assign rdata_int = storage_rdata;
           Tests:       T2 T3 T4 
134        1/1                assign empty = fifo_empty;
           Tests:       T1 T2 T3 
135                         end
136                     
137                         if (OutputZeroIfEmpty == 1'b1) begin : gen_output_zero
138        1/1                assign rdata_o = empty ? Width'(0) : rdata_int;
           Tests:       T1 T2 T3 

---

Line Coverage for Module : prim_fifo_sync ( parameter Width=5,Pass=0,Depth=2,OutputZeroIfEmpty=1,Secure=1,DepthW=2,gen_normal_fifo.PtrW=1 )
Line Coverage for Module self-instances :

SCORE	LINE
89.06	100.00

tb.dut.u_tl_adapter_rom.u_sramreqfifo

	Line No.	Total	Covered	Percent
TOTAL		14	14	100.00
ALWAYS	69	4	4	100.00
CONT_ASSIGN	81	1	1	100.00
CONT_ASSIGN	82	1	1	100.00
CONT_ASSIGN	100	1	1	100.00
CONT_ASSIGN	101	1	1	100.00
CONT_ASSIGN	120	1	1	100.00
ALWAYS	123	2	2	100.00
CONT_ASSIGN	133	1	1	100.00
CONT_ASSIGN	134	1	1	100.00
CONT_ASSIGN	138	1	1	100.00

68                          always_ff @(posedge clk_i or negedge rst_ni) begin
69         1/1                if (!rst_ni) begin
           Tests:       T1 T2 T3 
70         1/1                  under_rst <= 1'b1;
           Tests:       T1 T2 T3 
71         1/1                end else if (under_rst) begin
           Tests:       T1 T2 T3 
72         1/1                  under_rst <= ~under_rst;
           Tests:       T1 T2 T3 
73                            end
                        MISSING_ELSE
74                          end
75                      
76                          logic empty;
77                      
78                          // full and not ready for write are two different concepts.
79                          // The latter can be '0' when under reset, while the former is an indication that no more
80                          // entries can be written.
81         1/1              assign wready_o = ~full_o & ~under_rst;
           Tests:       T1 T2 T3 
82         1/1              assign rvalid_o = ~empty & ~under_rst;
           Tests:       T1 T2 T3 
83                      
84                          prim_fifo_sync_cnt #(
85                            .Depth(Depth),
86                            .Secure(Secure)
87                          ) u_fifo_cnt (
88                            .clk_i,
89                            .rst_ni,
90                            .clr_i,
91                            .incr_wptr_i(fifo_incr_wptr),
92                            .incr_rptr_i(fifo_incr_rptr),
93                            .wptr_o(fifo_wptr),
94                            .rptr_o(fifo_rptr),
95                            .full_o,
96                            .empty_o(fifo_empty),
97                            .depth_o,
98                            .err_o
99                          );
100        1/1              assign fifo_incr_wptr = wvalid_i & wready_o & ~under_rst;
           Tests:       T1 T2 T3 
101        1/1              assign fifo_incr_rptr = rvalid_o & rready_i & ~under_rst;
           Tests:       T1 T2 T3 
102                     
103                         // the generate blocks below are needed to avoid lint errors due to array indexing
104                         // in the where the fifo only has one storage element
105                         logic [Depth-1:0][Width-1:0] storage;
106                         logic [Width-1:0] storage_rdata;
107                         if (Depth == 1) begin : gen_depth_eq1
108                           assign storage_rdata = storage[0];
109                     
110                           always_ff @(posedge clk_i)
111                             if (fifo_incr_wptr) begin
112                               storage[0] <= wdata_i;
113                             end
114                     
115                           logic unused_ptrs;
116                           assign unused_ptrs = ^{fifo_wptr, fifo_rptr};
117                     
118                         // fifo with more than one storage element
119                         end else begin : gen_depth_gt1
120        1/1                assign storage_rdata = storage[fifo_rptr];
           Tests:       T1 T2 T3 
121                     
122                           always_ff @(posedge clk_i)
123        1/1                  if (fifo_incr_wptr) begin
           Tests:       T1 T2 T3 
124        1/1                    storage[fifo_wptr] <= wdata_i;
           Tests:       T2 T3 T4 
125                             end
                        MISSING_ELSE
126                         end
127                     
128                         logic [Width-1:0] rdata_int;
129                         if (Pass == 1'b1) begin : gen_pass
130                           assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
131                           assign empty = fifo_empty & ~wvalid_i;
132                         end else begin : gen_nopass
133        1/1                assign rdata_int = storage_rdata;
           Tests:       T2 T3 T4 
134        1/1                assign empty = fifo_empty;
           Tests:       T1 T2 T3 
135                         end
136                     
137                         if (OutputZeroIfEmpty == 1'b1) begin : gen_output_zero
138        1/1                assign rdata_o = empty ? Width'(0) : rdata_int;
           Tests:       T1 T2 T3 

---

Line Coverage for Module : prim_fifo_sync ( parameter Width=40,Pass=1,Depth=2,OutputZeroIfEmpty=1,Secure=1,DepthW=2,gen_normal_fifo.PtrW=1 )
Line Coverage for Module self-instances :

SCORE	LINE
94.79	100.00

tb.dut.u_tl_adapter_rom.u_rspfifo

	Line No.	Total	Covered	Percent
TOTAL		14	14	100.00
ALWAYS	69	4	4	100.00
CONT_ASSIGN	81	1	1	100.00
CONT_ASSIGN	82	1	1	100.00
CONT_ASSIGN	100	1	1	100.00
CONT_ASSIGN	101	1	1	100.00
CONT_ASSIGN	120	1	1	100.00
ALWAYS	123	2	2	100.00
CONT_ASSIGN	130	1	1	100.00
CONT_ASSIGN	131	1	1	100.00
CONT_ASSIGN	138	1	1	100.00

68                          always_ff @(posedge clk_i or negedge rst_ni) begin
69         1/1                if (!rst_ni) begin
           Tests:       T1 T2 T3 
70         1/1                  under_rst <= 1'b1;
           Tests:       T1 T2 T3 
71         1/1                end else if (under_rst) begin
           Tests:       T1 T2 T3 
72         1/1                  under_rst <= ~under_rst;
           Tests:       T1 T2 T3 
73                            end
                        MISSING_ELSE
74                          end
75                      
76                          logic empty;
77                      
78                          // full and not ready for write are two different concepts.
79                          // The latter can be '0' when under reset, while the former is an indication that no more
80                          // entries can be written.
81         1/1              assign wready_o = ~full_o & ~under_rst;
           Tests:       T1 T2 T3 
82         1/1              assign rvalid_o = ~empty & ~under_rst;
           Tests:       T1 T2 T3 
83                      
84                          prim_fifo_sync_cnt #(
85                            .Depth(Depth),
86                            .Secure(Secure)
87                          ) u_fifo_cnt (
88                            .clk_i,
89                            .rst_ni,
90                            .clr_i,
91                            .incr_wptr_i(fifo_incr_wptr),
92                            .incr_rptr_i(fifo_incr_rptr),
93                            .wptr_o(fifo_wptr),
94                            .rptr_o(fifo_rptr),
95                            .full_o,
96                            .empty_o(fifo_empty),
97                            .depth_o,
98                            .err_o
99                          );
100        1/1              assign fifo_incr_wptr = wvalid_i & wready_o & ~under_rst;
           Tests:       T1 T2 T3 
101        1/1              assign fifo_incr_rptr = rvalid_o & rready_i & ~under_rst;
           Tests:       T1 T2 T3 
102                     
103                         // the generate blocks below are needed to avoid lint errors due to array indexing
104                         // in the where the fifo only has one storage element
105                         logic [Depth-1:0][Width-1:0] storage;
106                         logic [Width-1:0] storage_rdata;
107                         if (Depth == 1) begin : gen_depth_eq1
108                           assign storage_rdata = storage[0];
109                     
110                           always_ff @(posedge clk_i)
111                             if (fifo_incr_wptr) begin
112                               storage[0] <= wdata_i;
113                             end
114                     
115                           logic unused_ptrs;
116                           assign unused_ptrs = ^{fifo_wptr, fifo_rptr};
117                     
118                         // fifo with more than one storage element
119                         end else begin : gen_depth_gt1
120        1/1                assign storage_rdata = storage[fifo_rptr];
           Tests:       T1 T2 T3 
121                     
122                           always_ff @(posedge clk_i)
123        1/1                  if (fifo_incr_wptr) begin
           Tests:       T1 T2 T3 
124        1/1                    storage[fifo_wptr] <= wdata_i;
           Tests:       T2 T3 T4 
125                             end
                        MISSING_ELSE
126                         end
127                     
128                         logic [Width-1:0] rdata_int;
129                         if (Pass == 1'b1) begin : gen_pass
130        1/1                assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
           Tests:       T1 T2 T3 
131        1/1                assign empty = fifo_empty & ~wvalid_i;
           Tests:       T1 T2 T3 
132                         end else begin : gen_nopass
133                           assign rdata_int = storage_rdata;
134                           assign empty = fifo_empty;
135                         end
136                     
137                         if (OutputZeroIfEmpty == 1'b1) begin : gen_output_zero
138        1/1                assign rdata_o = empty ? Width'(0) : rdata_int;
           Tests:       T1 T2 T3 

---

Cond Coverage for Module : prim_fifo_sync ( parameter Width=5,Pass=0,Depth=2,OutputZeroIfEmpty=1,Secure=1,DepthW=2,gen_normal_fifo.PtrW=1 )
Cond Coverage for Module self-instances :

SCORE	COND
89.06	56.25

tb.dut.u_tl_adapter_rom.u_sramreqfifo

	Total	Covered	Percent
Conditions	16	9	56.25
Logical	16	9	56.25
Non-Logical	0	0
Event	0	0

 LINE       81
 EXPRESSION (((~full_o)) & ((~gen_normal_fifo.under_rst)))
             -----1-----   ---------------2--------------

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

 LINE       82
 EXPRESSION (((~gen_normal_fifo.empty)) & ((~gen_normal_fifo.under_rst)))
             -------------1------------   ---------------2--------------

-1-	-2-	Status	Tests
0	1	Covered	T1,T2,T3
1	0	Not Covered
1	1	Covered	T2,T3,T4

 LINE       100
 EXPRESSION (wvalid_i & wready_o & ((~gen_normal_fifo.under_rst)))
             ----1---   ----2---   ---------------3--------------

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

 LINE       101
 EXPRESSION (rvalid_o & rready_i & ((~gen_normal_fifo.under_rst)))
             ----1---   ----2---   ---------------3--------------

-1-	-2-	-3-	Status	Tests
0	1	1	Not Covered
1	0	1	Not Covered
1	1	0	Not Covered
1	1	1	Covered	T2,T3,T4

 LINE       138
 EXPRESSION (gen_normal_fifo.empty ? (5'(0)) : gen_normal_fifo.rdata_int)
             ----------1----------

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

---

Cond Coverage for Module : prim_fifo_sync ( parameter Width=17,Pass=0,Depth=2,OutputZeroIfEmpty=1,Secure=1,DepthW=2,gen_normal_fifo.PtrW=1 )
Cond Coverage for Module self-instances :

SCORE	COND
92.19	68.75

tb.dut.u_tl_adapter_rom.u_reqfifo

	Total	Covered	Percent
Conditions	16	11	68.75
Logical	16	11	68.75
Non-Logical	0	0
Event	0	0

 LINE       81
 EXPRESSION (((~full_o)) & ((~gen_normal_fifo.under_rst)))
             -----1-----   ---------------2--------------

-1-	-2-	Status	Tests
0	1	Covered	T2,T3,T12
1	0	Covered	T1,T2,T3
1	1	Covered	T1,T2,T3

 LINE       82
 EXPRESSION (((~gen_normal_fifo.empty)) & ((~gen_normal_fifo.under_rst)))
             -------------1------------   ---------------2--------------

-1-	-2-	Status	Tests
0	1	Covered	T1,T2,T3
1	0	Not Covered
1	1	Covered	T2,T3,T4

 LINE       100
 EXPRESSION (wvalid_i & wready_o & ((~gen_normal_fifo.under_rst)))
             ----1---   ----2---   ---------------3--------------

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

 LINE       101
 EXPRESSION (rvalid_o & rready_i & ((~gen_normal_fifo.under_rst)))
             ----1---   ----2---   ---------------3--------------

-1-	-2-	-3-	Status	Tests
0	1	1	Not Covered
1	0	1	Covered	T2,T3,T5
1	1	0	Not Covered
1	1	1	Covered	T2,T3,T4

 LINE       138
 EXPRESSION (gen_normal_fifo.empty ? (17'(0)) : gen_normal_fifo.rdata_int)
             ----------1----------

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

---

Cond Coverage for Module : prim_fifo_sync ( parameter Width=40,Pass=1,Depth=2,OutputZeroIfEmpty=1,Secure=1,DepthW=2,gen_normal_fifo.PtrW=1 )
Cond Coverage for Module self-instances :

SCORE	COND
94.79	79.17

tb.dut.u_tl_adapter_rom.u_rspfifo

	Total	Covered	Percent
Conditions	24	19	79.17
Logical	24	19	79.17
Non-Logical	0	0
Event	0	0

 LINE       81
 EXPRESSION (((~full_o)) & ((~gen_normal_fifo.under_rst)))
             -----1-----   ---------------2--------------

-1-	-2-	Status	Tests
0	1	Covered	T2,T3,T12
1	0	Covered	T1,T2,T3
1	1	Covered	T1,T2,T3

 LINE       82
 EXPRESSION (((~gen_normal_fifo.empty)) & ((~gen_normal_fifo.under_rst)))
             -------------1------------   ---------------2--------------

-1-	-2-	Status	Tests
0	1	Covered	T1,T2,T3
1	0	Not Covered
1	1	Covered	T2,T3,T4

 LINE       100
 EXPRESSION (wvalid_i & wready_o & ((~gen_normal_fifo.under_rst)))
             ----1---   ----2---   ---------------3--------------

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

 LINE       101
 EXPRESSION (rvalid_o & rready_i & ((~gen_normal_fifo.under_rst)))
             ----1---   ----2---   ---------------3--------------

-1-	-2-	-3-	Status	Tests
0	1	1	Not Covered
1	0	1	Covered	T2,T3,T5
1	1	0	Not Covered
1	1	1	Covered	T2,T3,T4

 LINE       130
 EXPRESSION ((gen_normal_fifo.fifo_empty && wvalid_i) ? wdata_i : gen_normal_fifo.storage_rdata)
             --------------------1-------------------

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

 LINE       130
 SUB-EXPRESSION (gen_normal_fifo.fifo_empty && wvalid_i)
                 -------------1------------    ----2---

-1-	-2-	Status	Tests
0	1	Covered	T2,T3,T12
1	0	Covered	T1,T2,T3
1	1	Covered	T2,T3,T4

 LINE       131
 EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
             -------------1------------   ------2------

-1-	-2-	Status	Tests
0	1	Covered	T2,T3,T12
1	0	Covered	T2,T3,T4
1	1	Covered	T1,T2,T3

 LINE       138
 EXPRESSION (gen_normal_fifo.empty ? (40'(0)) : gen_normal_fifo.rdata_int)
             ----------1----------

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

---

Branch Coverage for Module : prim_fifo_sync ( parameter Width=17,Pass=0,Depth=2,OutputZeroIfEmpty=1,Secure=1,DepthW=2,gen_normal_fifo.PtrW=1 + Width=5,Pass=0,Depth=2,OutputZeroIfEmpty=1,Secure=1,DepthW=2,gen_normal_fifo.PtrW=1 )
Branch Coverage for Module self-instances :

SCORE	BRANCH
92.19	100.00

tb.dut.u_tl_adapter_rom.u_reqfifo

SCORE	BRANCH
89.06	100.00

tb.dut.u_tl_adapter_rom.u_sramreqfifo

	Line No.	Total	Covered	Percent
Branches		7	7	100.00
TERNARY	138	2	2	100.00
IF	69	3	3	100.00
IF	123	2	2	100.00

138              assign rdata_o = empty ? Width'(0) : rdata_int;
                                        -1-  
                                        ==>  
                                        ==>  

Branches:

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

69               if (!rst_ni) begin
                 -1-  
70                 under_rst <= 1'b1;
                   ==>
71               end else if (under_rst) begin
                          -2-  
72                 under_rst <= ~under_rst;
                   ==>
73               end
                 MISSING_ELSE
                 ==>

Branches:

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

123                if (fifo_incr_wptr) begin
                   -1-     
124                  storage[fifo_wptr] <= wdata_i;
                     ==>
125                end
                   MISSING_ELSE
                   ==>

Branches:

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

---

Branch Coverage for Module : prim_fifo_sync ( parameter Width=40,Pass=1,Depth=2,OutputZeroIfEmpty=1,Secure=1,DepthW=2,gen_normal_fifo.PtrW=1 )
Branch Coverage for Module self-instances :

SCORE	BRANCH
94.79	100.00

tb.dut.u_tl_adapter_rom.u_rspfifo

	Line No.	Total	Covered	Percent
Branches		9	9	100.00
TERNARY	130	2	2	100.00
TERNARY	138	2	2	100.00
IF	69	3	3	100.00
IF	123	2	2	100.00

130              assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
                                                             -1-  
                                                             ==>  
                                                             ==>  

Branches:

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

138              assign rdata_o = empty ? Width'(0) : rdata_int;
                                        -1-  
                                        ==>  
                                        ==>  

Branches:

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

69               if (!rst_ni) begin
                 -1-  
70                 under_rst <= 1'b1;
                   ==>
71               end else if (under_rst) begin
                          -2-  
72                 under_rst <= ~under_rst;
                   ==>
73               end
                 MISSING_ELSE
                 ==>

Branches:

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

123                if (fifo_incr_wptr) begin
                   -1-     
124                  storage[fifo_wptr] <= wdata_i;
                     ==>
125                end
                   MISSING_ELSE
                   ==>

Branches:

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

---

Assert Coverage for Module : prim_fifo_sync

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	6	6	100.00	6	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	6	6	100.00	6	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DataKnown_A	113219040	1143396	0	0
DataKnown_AKnownEnable	113219040	112742082	0	0
DepthKnown_A	113219040	112742082	0	0
RvalidKnown_A	113219040	112742082	0	0
WreadyKnown_A	113219040	112742082	0	0
gen_normal_fifo.depthShallNotExceedParamDepth	113219040	1143396	0	0

DataKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	113219040	1143396	0	0
T2	55590	316	0	0
T3	64455	447	0	0
T4	302298	177	0	0
T5	87660	132	0	0
T6	79815	0	0	0
T7	89208	504	0	0
T8	82335	1068	0	0
T9	80097	0	0	0
T10	101937	0	0	0
T12	0	1746	0	0
T16	0	630	0	0
T20	80256	111	0	0
T21	0	1203	0	0

DataKnown_AKnownEnable

Name	Attempts	Real Successes	Failures	Incomplete
Total	113219040	112742082	0	0
T1	50916	50736	0	0
T2	55590	55425	0	0
T3	64455	64290	0	0
T4	302298	302052	0	0
T5	87660	87456	0	0
T6	79815	79599	0	0
T7	89208	89028	0	0
T8	82335	82083	0	0
T9	80097	79941	0	0
T10	101937	101502	0	0

DepthKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	113219040	112742082	0	0
T1	50916	50736	0	0
T2	55590	55425	0	0
T3	64455	64290	0	0
T4	302298	302052	0	0
T5	87660	87456	0	0
T6	79815	79599	0	0
T7	89208	89028	0	0
T8	82335	82083	0	0
T9	80097	79941	0	0
T10	101937	101502	0	0

RvalidKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	113219040	112742082	0	0
T1	50916	50736	0	0
T2	55590	55425	0	0
T3	64455	64290	0	0
T4	302298	302052	0	0
T5	87660	87456	0	0
T6	79815	79599	0	0
T7	89208	89028	0	0
T8	82335	82083	0	0
T9	80097	79941	0	0
T10	101937	101502	0	0

WreadyKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	113219040	112742082	0	0
T1	50916	50736	0	0
T2	55590	55425	0	0
T3	64455	64290	0	0
T4	302298	302052	0	0
T5	87660	87456	0	0
T6	79815	79599	0	0
T7	89208	89028	0	0
T8	82335	82083	0	0
T9	80097	79941	0	0
T10	101937	101502	0	0

gen_normal_fifo.depthShallNotExceedParamDepth

Name	Attempts	Real Successes	Failures	Incomplete
Total	113219040	1143396	0	0
T2	55590	316	0	0
T3	64455	447	0	0
T4	302298	177	0	0
T5	87660	132	0	0
T6	79815	0	0	0
T7	89208	504	0	0
T8	82335	1068	0	0
T9	80097	0	0	0
T10	101937	0	0	0
T12	0	1746	0	0
T16	0	630	0	0
T20	80256	111	0	0
T21	0	1203	0	0

Line Coverage for Instance : tb.dut.u_tl_adapter_rom.u_sramreqfifo

	Line No.	Total	Covered	Percent
TOTAL		14	14	100.00
ALWAYS	69	4	4	100.00
CONT_ASSIGN	81	1	1	100.00
CONT_ASSIGN	82	1	1	100.00
CONT_ASSIGN	100	1	1	100.00
CONT_ASSIGN	101	1	1	100.00
CONT_ASSIGN	120	1	1	100.00
ALWAYS	123	2	2	100.00
CONT_ASSIGN	133	1	1	100.00
CONT_ASSIGN	134	1	1	100.00
CONT_ASSIGN	138	1	1	100.00

68                          always_ff @(posedge clk_i or negedge rst_ni) begin
69         1/1                if (!rst_ni) begin
           Tests:       T1 T2 T3 
70         1/1                  under_rst <= 1'b1;
           Tests:       T1 T2 T3 
71         1/1                end else if (under_rst) begin
           Tests:       T1 T2 T3 
72         1/1                  under_rst <= ~under_rst;
           Tests:       T1 T2 T3 
73                            end
                        MISSING_ELSE
74                          end
75                      
76                          logic empty;
77                      
78                          // full and not ready for write are two different concepts.
79                          // The latter can be '0' when under reset, while the former is an indication that no more
80                          // entries can be written.
81         1/1              assign wready_o = ~full_o & ~under_rst;
           Tests:       T1 T2 T3 
82         1/1              assign rvalid_o = ~empty & ~under_rst;
           Tests:       T1 T2 T3 
83                      
84                          prim_fifo_sync_cnt #(
85                            .Depth(Depth),
86                            .Secure(Secure)
87                          ) u_fifo_cnt (
88                            .clk_i,
89                            .rst_ni,
90                            .clr_i,
91                            .incr_wptr_i(fifo_incr_wptr),
92                            .incr_rptr_i(fifo_incr_rptr),
93                            .wptr_o(fifo_wptr),
94                            .rptr_o(fifo_rptr),
95                            .full_o,
96                            .empty_o(fifo_empty),
97                            .depth_o,
98                            .err_o
99                          );
100        1/1              assign fifo_incr_wptr = wvalid_i & wready_o & ~under_rst;
           Tests:       T1 T2 T3 
101        1/1              assign fifo_incr_rptr = rvalid_o & rready_i & ~under_rst;
           Tests:       T1 T2 T3 
102                     
103                         // the generate blocks below are needed to avoid lint errors due to array indexing
104                         // in the where the fifo only has one storage element
105                         logic [Depth-1:0][Width-1:0] storage;
106                         logic [Width-1:0] storage_rdata;
107                         if (Depth == 1) begin : gen_depth_eq1
108                           assign storage_rdata = storage[0];
109                     
110                           always_ff @(posedge clk_i)
111                             if (fifo_incr_wptr) begin
112                               storage[0] <= wdata_i;
113                             end
114                     
115                           logic unused_ptrs;
116                           assign unused_ptrs = ^{fifo_wptr, fifo_rptr};
117                     
118                         // fifo with more than one storage element
119                         end else begin : gen_depth_gt1
120        1/1                assign storage_rdata = storage[fifo_rptr];
           Tests:       T1 T2 T3 
121                     
122                           always_ff @(posedge clk_i)
123        1/1                  if (fifo_incr_wptr) begin
           Tests:       T1 T2 T3 
124        1/1                    storage[fifo_wptr] <= wdata_i;
           Tests:       T2 T3 T4 
125                             end
                        MISSING_ELSE
126                         end
127                     
128                         logic [Width-1:0] rdata_int;
129                         if (Pass == 1'b1) begin : gen_pass
130                           assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
131                           assign empty = fifo_empty & ~wvalid_i;
132                         end else begin : gen_nopass
133        1/1                assign rdata_int = storage_rdata;
           Tests:       T2 T3 T4 
134        1/1                assign empty = fifo_empty;
           Tests:       T1 T2 T3 
135                         end
136                     
137                         if (OutputZeroIfEmpty == 1'b1) begin : gen_output_zero
138        1/1                assign rdata_o = empty ? Width'(0) : rdata_int;
           Tests:       T1 T2 T3 

---

Cond Coverage for Instance : tb.dut.u_tl_adapter_rom.u_sramreqfifo

	Total	Covered	Percent
Conditions	16	9	56.25
Logical	16	9	56.25
Non-Logical	0	0
Event	0	0

 LINE       81
 EXPRESSION (((~full_o)) & ((~gen_normal_fifo.under_rst)))
             -----1-----   ---------------2--------------

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

 LINE       82
 EXPRESSION (((~gen_normal_fifo.empty)) & ((~gen_normal_fifo.under_rst)))
             -------------1------------   ---------------2--------------

-1-	-2-	Status	Tests
0	1	Covered	T1,T2,T3
1	0	Not Covered
1	1	Covered	T2,T3,T4

 LINE       100
 EXPRESSION (wvalid_i & wready_o & ((~gen_normal_fifo.under_rst)))
             ----1---   ----2---   ---------------3--------------

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

 LINE       101
 EXPRESSION (rvalid_o & rready_i & ((~gen_normal_fifo.under_rst)))
             ----1---   ----2---   ---------------3--------------

-1-	-2-	-3-	Status	Tests
0	1	1	Not Covered
1	0	1	Not Covered
1	1	0	Not Covered
1	1	1	Covered	T2,T3,T4

 LINE       138
 EXPRESSION (gen_normal_fifo.empty ? (5'(0)) : gen_normal_fifo.rdata_int)
             ----------1----------

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

---

Branch Coverage for Instance : tb.dut.u_tl_adapter_rom.u_sramreqfifo

	Line No.	Total	Covered	Percent
Branches		7	7	100.00
TERNARY	138	2	2	100.00
IF	69	3	3	100.00
IF	123	2	2	100.00

138              assign rdata_o = empty ? Width'(0) : rdata_int;
                                        -1-  
                                        ==>  
                                        ==>  

Branches:

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

69               if (!rst_ni) begin
                 -1-  
70                 under_rst <= 1'b1;
                   ==>
71               end else if (under_rst) begin
                          -2-  
72                 under_rst <= ~under_rst;
                   ==>
73               end
                 MISSING_ELSE
                 ==>

Branches:

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

123                if (fifo_incr_wptr) begin
                   -1-     
124                  storage[fifo_wptr] <= wdata_i;
                     ==>
125                end
                   MISSING_ELSE
                   ==>

Branches:

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

---

Assert Coverage for Instance : tb.dut.u_tl_adapter_rom.u_sramreqfifo

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	6	6	100.00	6	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	6	6	100.00	6	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DataKnown_A	37739680	28792	0	0
DataKnown_AKnownEnable	37739680	37580694	0	0
DepthKnown_A	37739680	37580694	0	0
RvalidKnown_A	37739680	37580694	0	0
WreadyKnown_A	37739680	37580694	0	0
gen_normal_fifo.depthShallNotExceedParamDepth	37739680	28792	0	0

DataKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	37739680	28792	0	0
T2	18530	38	0	0
T3	21485	37	0	0
T4	100766	59	0	0
T5	29220	44	0	0
T6	26605	0	0	0
T7	29736	168	0	0
T8	27445	356	0	0
T9	26699	0	0	0
T10	33979	0	0	0
T12	0	156	0	0
T16	0	210	0	0
T20	26752	37	0	0
T21	0	401	0	0

DataKnown_AKnownEnable

Name	Attempts	Real Successes	Failures	Incomplete
Total	37739680	37580694	0	0
T1	16972	16912	0	0
T2	18530	18475	0	0
T3	21485	21430	0	0
T4	100766	100684	0	0
T5	29220	29152	0	0
T6	26605	26533	0	0
T7	29736	29676	0	0
T8	27445	27361	0	0
T9	26699	26647	0	0
T10	33979	33834	0	0

DepthKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	37739680	37580694	0	0
T1	16972	16912	0	0
T2	18530	18475	0	0
T3	21485	21430	0	0
T4	100766	100684	0	0
T5	29220	29152	0	0
T6	26605	26533	0	0
T7	29736	29676	0	0
T8	27445	27361	0	0
T9	26699	26647	0	0
T10	33979	33834	0	0

RvalidKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	37739680	37580694	0	0
T1	16972	16912	0	0
T2	18530	18475	0	0
T3	21485	21430	0	0
T4	100766	100684	0	0
T5	29220	29152	0	0
T6	26605	26533	0	0
T7	29736	29676	0	0
T8	27445	27361	0	0
T9	26699	26647	0	0
T10	33979	33834	0	0

WreadyKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	37739680	37580694	0	0
T1	16972	16912	0	0
T2	18530	18475	0	0
T3	21485	21430	0	0
T4	100766	100684	0	0
T5	29220	29152	0	0
T6	26605	26533	0	0
T7	29736	29676	0	0
T8	27445	27361	0	0
T9	26699	26647	0	0
T10	33979	33834	0	0

gen_normal_fifo.depthShallNotExceedParamDepth

Name	Attempts	Real Successes	Failures	Incomplete
Total	37739680	28792	0	0
T2	18530	38	0	0
T3	21485	37	0	0
T4	100766	59	0	0
T5	29220	44	0	0
T6	26605	0	0	0
T7	29736	168	0	0
T8	27445	356	0	0
T9	26699	0	0	0
T10	33979	0	0	0
T12	0	156	0	0
T16	0	210	0	0
T20	26752	37	0	0
T21	0	401	0	0

Line Coverage for Instance : tb.dut.u_tl_adapter_rom.u_reqfifo

	Line No.	Total	Covered	Percent
TOTAL		14	14	100.00
ALWAYS	69	4	4	100.00
CONT_ASSIGN	81	1	1	100.00
CONT_ASSIGN	82	1	1	100.00
CONT_ASSIGN	100	1	1	100.00
CONT_ASSIGN	101	1	1	100.00
CONT_ASSIGN	120	1	1	100.00
ALWAYS	123	2	2	100.00
CONT_ASSIGN	133	1	1	100.00
CONT_ASSIGN	134	1	1	100.00
CONT_ASSIGN	138	1	1	100.00

68                          always_ff @(posedge clk_i or negedge rst_ni) begin
69         1/1                if (!rst_ni) begin
           Tests:       T1 T2 T3 
70         1/1                  under_rst <= 1'b1;
           Tests:       T1 T2 T3 
71         1/1                end else if (under_rst) begin
           Tests:       T1 T2 T3 
72         1/1                  under_rst <= ~under_rst;
           Tests:       T1 T2 T3 
73                            end
                        MISSING_ELSE
74                          end
75                      
76                          logic empty;
77                      
78                          // full and not ready for write are two different concepts.
79                          // The latter can be '0' when under reset, while the former is an indication that no more
80                          // entries can be written.
81         1/1              assign wready_o = ~full_o & ~under_rst;
           Tests:       T1 T2 T3 
82         1/1              assign rvalid_o = ~empty & ~under_rst;
           Tests:       T1 T2 T3 
83                      
84                          prim_fifo_sync_cnt #(
85                            .Depth(Depth),
86                            .Secure(Secure)
87                          ) u_fifo_cnt (
88                            .clk_i,
89                            .rst_ni,
90                            .clr_i,
91                            .incr_wptr_i(fifo_incr_wptr),
92                            .incr_rptr_i(fifo_incr_rptr),
93                            .wptr_o(fifo_wptr),
94                            .rptr_o(fifo_rptr),
95                            .full_o,
96                            .empty_o(fifo_empty),
97                            .depth_o,
98                            .err_o
99                          );
100        1/1              assign fifo_incr_wptr = wvalid_i & wready_o & ~under_rst;
           Tests:       T1 T2 T3 
101        1/1              assign fifo_incr_rptr = rvalid_o & rready_i & ~under_rst;
           Tests:       T1 T2 T3 
102                     
103                         // the generate blocks below are needed to avoid lint errors due to array indexing
104                         // in the where the fifo only has one storage element
105                         logic [Depth-1:0][Width-1:0] storage;
106                         logic [Width-1:0] storage_rdata;
107                         if (Depth == 1) begin : gen_depth_eq1
108                           assign storage_rdata = storage[0];
109                     
110                           always_ff @(posedge clk_i)
111                             if (fifo_incr_wptr) begin
112                               storage[0] <= wdata_i;
113                             end
114                     
115                           logic unused_ptrs;
116                           assign unused_ptrs = ^{fifo_wptr, fifo_rptr};
117                     
118                         // fifo with more than one storage element
119                         end else begin : gen_depth_gt1
120        1/1                assign storage_rdata = storage[fifo_rptr];
           Tests:       T1 T2 T3 
121                     
122                           always_ff @(posedge clk_i)
123        1/1                  if (fifo_incr_wptr) begin
           Tests:       T1 T2 T3 
124        1/1                    storage[fifo_wptr] <= wdata_i;
           Tests:       T2 T3 T4 
125                             end
                        MISSING_ELSE
126                         end
127                     
128                         logic [Width-1:0] rdata_int;
129                         if (Pass == 1'b1) begin : gen_pass
130                           assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
131                           assign empty = fifo_empty & ~wvalid_i;
132                         end else begin : gen_nopass
133        1/1                assign rdata_int = storage_rdata;
           Tests:       T2 T3 T4 
134        1/1                assign empty = fifo_empty;
           Tests:       T1 T2 T3 
135                         end
136                     
137                         if (OutputZeroIfEmpty == 1'b1) begin : gen_output_zero
138        1/1                assign rdata_o = empty ? Width'(0) : rdata_int;
           Tests:       T1 T2 T3 

---

Cond Coverage for Instance : tb.dut.u_tl_adapter_rom.u_reqfifo

	Total	Covered	Percent
Conditions	16	11	68.75
Logical	16	11	68.75
Non-Logical	0	0
Event	0	0

 LINE       81
 EXPRESSION (((~full_o)) & ((~gen_normal_fifo.under_rst)))
             -----1-----   ---------------2--------------

-1-	-2-	Status	Tests
0	1	Covered	T2,T3,T12
1	0	Covered	T1,T2,T3
1	1	Covered	T1,T2,T3

 LINE       82
 EXPRESSION (((~gen_normal_fifo.empty)) & ((~gen_normal_fifo.under_rst)))
             -------------1------------   ---------------2--------------

-1-	-2-	Status	Tests
0	1	Covered	T1,T2,T3
1	0	Not Covered
1	1	Covered	T2,T3,T4

 LINE       100
 EXPRESSION (wvalid_i & wready_o & ((~gen_normal_fifo.under_rst)))
             ----1---   ----2---   ---------------3--------------

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

 LINE       101
 EXPRESSION (rvalid_o & rready_i & ((~gen_normal_fifo.under_rst)))
             ----1---   ----2---   ---------------3--------------

-1-	-2-	-3-	Status	Tests
0	1	1	Not Covered
1	0	1	Covered	T2,T3,T5
1	1	0	Not Covered
1	1	1	Covered	T2,T3,T4

 LINE       138
 EXPRESSION (gen_normal_fifo.empty ? (17'(0)) : gen_normal_fifo.rdata_int)
             ----------1----------

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

---

Branch Coverage for Instance : tb.dut.u_tl_adapter_rom.u_reqfifo

	Line No.	Total	Covered	Percent
Branches		7	7	100.00
TERNARY	138	2	2	100.00
IF	69	3	3	100.00
IF	123	2	2	100.00

138              assign rdata_o = empty ? Width'(0) : rdata_int;
                                        -1-  
                                        ==>  
                                        ==>  

Branches:

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

69               if (!rst_ni) begin
                 -1-  
70                 under_rst <= 1'b1;
                   ==>
71               end else if (under_rst) begin
                          -2-  
72                 under_rst <= ~under_rst;
                   ==>
73               end
                 MISSING_ELSE
                 ==>

Branches:

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

123                if (fifo_incr_wptr) begin
                   -1-     
124                  storage[fifo_wptr] <= wdata_i;
                     ==>
125                end
                   MISSING_ELSE
                   ==>

Branches:

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

---

Assert Coverage for Instance : tb.dut.u_tl_adapter_rom.u_reqfifo

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	6	6	100.00	6	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	6	6	100.00	6	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DataKnown_A	37739680	1072209	0	0
DataKnown_AKnownEnable	37739680	37580694	0	0
DepthKnown_A	37739680	37580694	0	0
RvalidKnown_A	37739680	37580694	0	0
WreadyKnown_A	37739680	37580694	0	0
gen_normal_fifo.depthShallNotExceedParamDepth	37739680	1072209	0	0

DataKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	37739680	1072209	0	0
T2	18530	139	0	0
T3	21485	205	0	0
T4	100766	59	0	0
T5	29220	44	0	0
T6	26605	0	0	0
T7	29736	168	0	0
T8	27445	356	0	0
T9	26699	0	0	0
T10	33979	0	0	0
T12	0	795	0	0
T16	0	210	0	0
T20	26752	37	0	0
T21	0	401	0	0

DataKnown_AKnownEnable

Name	Attempts	Real Successes	Failures	Incomplete
Total	37739680	37580694	0	0
T1	16972	16912	0	0
T2	18530	18475	0	0
T3	21485	21430	0	0
T4	100766	100684	0	0
T5	29220	29152	0	0
T6	26605	26533	0	0
T7	29736	29676	0	0
T8	27445	27361	0	0
T9	26699	26647	0	0
T10	33979	33834	0	0

DepthKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	37739680	37580694	0	0
T1	16972	16912	0	0
T2	18530	18475	0	0
T3	21485	21430	0	0
T4	100766	100684	0	0
T5	29220	29152	0	0
T6	26605	26533	0	0
T7	29736	29676	0	0
T8	27445	27361	0	0
T9	26699	26647	0	0
T10	33979	33834	0	0

RvalidKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	37739680	37580694	0	0
T1	16972	16912	0	0
T2	18530	18475	0	0
T3	21485	21430	0	0
T4	100766	100684	0	0
T5	29220	29152	0	0
T6	26605	26533	0	0
T7	29736	29676	0	0
T8	27445	27361	0	0
T9	26699	26647	0	0
T10	33979	33834	0	0

WreadyKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	37739680	37580694	0	0
T1	16972	16912	0	0
T2	18530	18475	0	0
T3	21485	21430	0	0
T4	100766	100684	0	0
T5	29220	29152	0	0
T6	26605	26533	0	0
T7	29736	29676	0	0
T8	27445	27361	0	0
T9	26699	26647	0	0
T10	33979	33834	0	0

gen_normal_fifo.depthShallNotExceedParamDepth

Name	Attempts	Real Successes	Failures	Incomplete
Total	37739680	1072209	0	0
T2	18530	139	0	0
T3	21485	205	0	0
T4	100766	59	0	0
T5	29220	44	0	0
T6	26605	0	0	0
T7	29736	168	0	0
T8	27445	356	0	0
T9	26699	0	0	0
T10	33979	0	0	0
T12	0	795	0	0
T16	0	210	0	0
T20	26752	37	0	0
T21	0	401	0	0

Line Coverage for Instance : tb.dut.u_tl_adapter_rom.u_rspfifo

	Line No.	Total	Covered	Percent
TOTAL		14	14	100.00
ALWAYS	69	4	4	100.00
CONT_ASSIGN	81	1	1	100.00
CONT_ASSIGN	82	1	1	100.00
CONT_ASSIGN	100	1	1	100.00
CONT_ASSIGN	101	1	1	100.00
CONT_ASSIGN	120	1	1	100.00
ALWAYS	123	2	2	100.00
CONT_ASSIGN	130	1	1	100.00
CONT_ASSIGN	131	1	1	100.00
CONT_ASSIGN	138	1	1	100.00

68                          always_ff @(posedge clk_i or negedge rst_ni) begin
69         1/1                if (!rst_ni) begin
           Tests:       T1 T2 T3 
70         1/1                  under_rst <= 1'b1;
           Tests:       T1 T2 T3 
71         1/1                end else if (under_rst) begin
           Tests:       T1 T2 T3 
72         1/1                  under_rst <= ~under_rst;
           Tests:       T1 T2 T3 
73                            end
                        MISSING_ELSE
74                          end
75                      
76                          logic empty;
77                      
78                          // full and not ready for write are two different concepts.
79                          // The latter can be '0' when under reset, while the former is an indication that no more
80                          // entries can be written.
81         1/1              assign wready_o = ~full_o & ~under_rst;
           Tests:       T1 T2 T3 
82         1/1              assign rvalid_o = ~empty & ~under_rst;
           Tests:       T1 T2 T3 
83                      
84                          prim_fifo_sync_cnt #(
85                            .Depth(Depth),
86                            .Secure(Secure)
87                          ) u_fifo_cnt (
88                            .clk_i,
89                            .rst_ni,
90                            .clr_i,
91                            .incr_wptr_i(fifo_incr_wptr),
92                            .incr_rptr_i(fifo_incr_rptr),
93                            .wptr_o(fifo_wptr),
94                            .rptr_o(fifo_rptr),
95                            .full_o,
96                            .empty_o(fifo_empty),
97                            .depth_o,
98                            .err_o
99                          );
100        1/1              assign fifo_incr_wptr = wvalid_i & wready_o & ~under_rst;
           Tests:       T1 T2 T3 
101        1/1              assign fifo_incr_rptr = rvalid_o & rready_i & ~under_rst;
           Tests:       T1 T2 T3 
102                     
103                         // the generate blocks below are needed to avoid lint errors due to array indexing
104                         // in the where the fifo only has one storage element
105                         logic [Depth-1:0][Width-1:0] storage;
106                         logic [Width-1:0] storage_rdata;
107                         if (Depth == 1) begin : gen_depth_eq1
108                           assign storage_rdata = storage[0];
109                     
110                           always_ff @(posedge clk_i)
111                             if (fifo_incr_wptr) begin
112                               storage[0] <= wdata_i;
113                             end
114                     
115                           logic unused_ptrs;
116                           assign unused_ptrs = ^{fifo_wptr, fifo_rptr};
117                     
118                         // fifo with more than one storage element
119                         end else begin : gen_depth_gt1
120        1/1                assign storage_rdata = storage[fifo_rptr];
           Tests:       T1 T2 T3 
121                     
122                           always_ff @(posedge clk_i)
123        1/1                  if (fifo_incr_wptr) begin
           Tests:       T1 T2 T3 
124        1/1                    storage[fifo_wptr] <= wdata_i;
           Tests:       T2 T3 T4 
125                             end
                        MISSING_ELSE
126                         end
127                     
128                         logic [Width-1:0] rdata_int;
129                         if (Pass == 1'b1) begin : gen_pass
130        1/1                assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
           Tests:       T1 T2 T3 
131        1/1                assign empty = fifo_empty & ~wvalid_i;
           Tests:       T1 T2 T3 
132                         end else begin : gen_nopass
133                           assign rdata_int = storage_rdata;
134                           assign empty = fifo_empty;
135                         end
136                     
137                         if (OutputZeroIfEmpty == 1'b1) begin : gen_output_zero
138        1/1                assign rdata_o = empty ? Width'(0) : rdata_int;
           Tests:       T1 T2 T3 

---

Cond Coverage for Instance : tb.dut.u_tl_adapter_rom.u_rspfifo

	Total	Covered	Percent
Conditions	24	19	79.17
Logical	24	19	79.17
Non-Logical	0	0
Event	0	0

 LINE       81
 EXPRESSION (((~full_o)) & ((~gen_normal_fifo.under_rst)))
             -----1-----   ---------------2--------------

-1-	-2-	Status	Tests
0	1	Covered	T2,T3,T12
1	0	Covered	T1,T2,T3
1	1	Covered	T1,T2,T3

 LINE       82
 EXPRESSION (((~gen_normal_fifo.empty)) & ((~gen_normal_fifo.under_rst)))
             -------------1------------   ---------------2--------------

-1-	-2-	Status	Tests
0	1	Covered	T1,T2,T3
1	0	Not Covered
1	1	Covered	T2,T3,T4

 LINE       100
 EXPRESSION (wvalid_i & wready_o & ((~gen_normal_fifo.under_rst)))
             ----1---   ----2---   ---------------3--------------

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

 LINE       101
 EXPRESSION (rvalid_o & rready_i & ((~gen_normal_fifo.under_rst)))
             ----1---   ----2---   ---------------3--------------

-1-	-2-	-3-	Status	Tests
0	1	1	Not Covered
1	0	1	Covered	T2,T3,T5
1	1	0	Not Covered
1	1	1	Covered	T2,T3,T4

 LINE       130
 EXPRESSION ((gen_normal_fifo.fifo_empty && wvalid_i) ? wdata_i : gen_normal_fifo.storage_rdata)
             --------------------1-------------------

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

 LINE       130
 SUB-EXPRESSION (gen_normal_fifo.fifo_empty && wvalid_i)
                 -------------1------------    ----2---

-1-	-2-	Status	Tests
0	1	Covered	T2,T3,T12
1	0	Covered	T1,T2,T3
1	1	Covered	T2,T3,T4

 LINE       131
 EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
             -------------1------------   ------2------

-1-	-2-	Status	Tests
0	1	Covered	T2,T3,T12
1	0	Covered	T2,T3,T4
1	1	Covered	T1,T2,T3

 LINE       138
 EXPRESSION (gen_normal_fifo.empty ? (40'(0)) : gen_normal_fifo.rdata_int)
             ----------1----------

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

---

Branch Coverage for Instance : tb.dut.u_tl_adapter_rom.u_rspfifo

	Line No.	Total	Covered	Percent
Branches		9	9	100.00
TERNARY	130	2	2	100.00
TERNARY	138	2	2	100.00
IF	69	3	3	100.00
IF	123	2	2	100.00

130              assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
                                                             -1-  
                                                             ==>  
                                                             ==>  

Branches:

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

138              assign rdata_o = empty ? Width'(0) : rdata_int;
                                        -1-  
                                        ==>  
                                        ==>  

Branches:

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

69               if (!rst_ni) begin
                 -1-  
70                 under_rst <= 1'b1;
                   ==>
71               end else if (under_rst) begin
                          -2-  
72                 under_rst <= ~under_rst;
                   ==>
73               end
                 MISSING_ELSE
                 ==>

Branches:

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

123                if (fifo_incr_wptr) begin
                   -1-     
124                  storage[fifo_wptr] <= wdata_i;
                     ==>
125                end
                   MISSING_ELSE
                   ==>

Branches:

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

---

Assert Coverage for Instance : tb.dut.u_tl_adapter_rom.u_rspfifo

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	6	6	100.00	6	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	6	6	100.00	6	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
DataKnown_A	37739680	42395	0	0
DataKnown_AKnownEnable	37739680	37580694	0	0
DepthKnown_A	37739680	37580694	0	0
RvalidKnown_A	37739680	37580694	0	0
WreadyKnown_A	37739680	37580694	0	0
gen_normal_fifo.depthShallNotExceedParamDepth	37739680	42395	0	0

DataKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	37739680	42395	0	0
T2	18530	139	0	0
T3	21485	205	0	0
T4	100766	59	0	0
T5	29220	44	0	0
T6	26605	0	0	0
T7	29736	168	0	0
T8	27445	356	0	0
T9	26699	0	0	0
T10	33979	0	0	0
T12	0	795	0	0
T16	0	210	0	0
T20	26752	37	0	0
T21	0	401	0	0

DataKnown_AKnownEnable

Name	Attempts	Real Successes	Failures	Incomplete
Total	37739680	37580694	0	0
T1	16972	16912	0	0
T2	18530	18475	0	0
T3	21485	21430	0	0
T4	100766	100684	0	0
T5	29220	29152	0	0
T6	26605	26533	0	0
T7	29736	29676	0	0
T8	27445	27361	0	0
T9	26699	26647	0	0
T10	33979	33834	0	0

DepthKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	37739680	37580694	0	0
T1	16972	16912	0	0
T2	18530	18475	0	0
T3	21485	21430	0	0
T4	100766	100684	0	0
T5	29220	29152	0	0
T6	26605	26533	0	0
T7	29736	29676	0	0
T8	27445	27361	0	0
T9	26699	26647	0	0
T10	33979	33834	0	0

RvalidKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	37739680	37580694	0	0
T1	16972	16912	0	0
T2	18530	18475	0	0
T3	21485	21430	0	0
T4	100766	100684	0	0
T5	29220	29152	0	0
T6	26605	26533	0	0
T7	29736	29676	0	0
T8	27445	27361	0	0
T9	26699	26647	0	0
T10	33979	33834	0	0

WreadyKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	37739680	37580694	0	0
T1	16972	16912	0	0
T2	18530	18475	0	0
T3	21485	21430	0	0
T4	100766	100684	0	0
T5	29220	29152	0	0
T6	26605	26533	0	0
T7	29736	29676	0	0
T8	27445	27361	0	0
T9	26699	26647	0	0
T10	33979	33834	0	0

gen_normal_fifo.depthShallNotExceedParamDepth

Name	Attempts	Real Successes	Failures	Incomplete
Total	37739680	42395	0	0
T2	18530	139	0	0
T3	21485	205	0	0
T4	100766	59	0	0
T5	29220	44	0	0
T6	26605	0	0	0
T7	29736	168	0	0
T8	27445	356	0	0
T9	26699	0	0	0
T10	33979	0	0	0
T12	0	795	0	0
T16	0	210	0	0
T20	26752	37	0	0
T21	0	401	0	0