Unified Coverage Report :: Module :: prim_generic_ram_2p

Module : prim_generic_ram_2p

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00				100.00	100.00

Source File(s) :
/workspaces/lowrisc/opentitan/scratch/earlgrey_1_0_0_2024_08_20_RC0/spi_device_2p-sim-vcs/default/sim-vcs/../src/lowrisc_prim_generic_ram_2p_0/rtl/prim_generic_ram_2p.sv

Module self-instances :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
tb.dut.u_spid_dpram.gen_ram2p.u_memory_2p.u_mem.gen_generic.u_impl_generic	100.00	100.00				100.00	100.00

---

Module Instance : tb.dut.u_spid_dpram.gen_ram2p.u_memory_2p.u_mem.gen_generic.u_impl_generic

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00				100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
100.00	100.00				100.00	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
							u_mem

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
no children

---

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

Line Coverage for Module : prim_generic_ram_2p

	Line No.	Total	Covered	Percent
TOTAL		21	21	100.00
CONT_ASSIGN	49	1	1	100.00
CONT_ASSIGN	60	1	1	100.00
CONT_ASSIGN	60	1	1	100.00
CONT_ASSIGN	60	1	1	100.00
CONT_ASSIGN	60	1	1	100.00
CONT_ASSIGN	61	1	1	100.00
CONT_ASSIGN	61	1	1	100.00
CONT_ASSIGN	61	1	1	100.00
CONT_ASSIGN	61	1	1	100.00
ALWAYS	76	6	6	100.00
ALWAYS	91	6	6	100.00

48                        logic unused_cfg;
49         1/1            assign unused_cfg = ^cfg_i;
           Tests:       T1 
50                      
51                        // Width of internal write mask. Note *_wmask_i input into the module is always assumed
52                        // to be the full bit mask.
53                        localparam int MaskWidth = Width / DataBitsPerMask;
54                      
55                        logic [Width-1:0]     mem [Depth];
56                        logic [MaskWidth-1:0] a_wmask;
57                        logic [MaskWidth-1:0] b_wmask;
58                      
59                        for (genvar k = 0; k < MaskWidth; k++) begin : gen_wmask
60         4/4              assign a_wmask[k] = &a_wmask_i[k*DataBitsPerMask +: DataBitsPerMask];
           Tests:       T1 T2 T3  | T1 T2 T3  | T1 T2 T3  | T1 T2 T3 
61         4/4              assign b_wmask[k] = &b_wmask_i[k*DataBitsPerMask +: DataBitsPerMask];
           Tests:       T1 T2 T3  | T1 T2 T3  | T1 T2 T3  | T1 T2 T3 
62                      
63                          // Ensure that all mask bits within a group have the same value for a write
64                          `ASSERT(MaskCheckPortA_A, a_req_i && a_write_i |->
65                              a_wmask_i[k*DataBitsPerMask +: DataBitsPerMask] inside {{DataBitsPerMask{1'b1}}, '0},
66                              clk_a_i, '0)
67                          `ASSERT(MaskCheckPortB_A, b_req_i && b_write_i |->
68                              b_wmask_i[k*DataBitsPerMask +: DataBitsPerMask] inside {{DataBitsPerMask{1'b1}}, '0},
69                              clk_b_i, '0)
70                        end
71                      
72                        // Xilinx FPGA specific Dual-port RAM coding style
73                        // using always instead of always_ff to avoid 'ICPD  - illegal combination of drivers' error
74                        // thrown due to 'mem' being driven by two always processes below
75                        always @(posedge clk_a_i) begin
76         1/1              if (a_req_i) begin
           Tests:       T1 T2 T3 
77         1/1                if (a_write_i) begin
           Tests:       T2 T4 T6 
78         1/1                  for (int i=0; i < MaskWidth; i = i + 1) begin
           Tests:       T2 T4 T6 
79         1/1                    if (a_wmask[i]) begin
           Tests:       T2 T4 T6 
80         1/1                      mem[a_addr_i][i*DataBitsPerMask +: DataBitsPerMask] <=
           Tests:       T2 T4 T6 
81                                    a_wdata_i[i*DataBitsPerMask +: DataBitsPerMask];
82                                end
                   ==>  MISSING_ELSE
83                              end
84                            end else begin
85         1/1                  a_rdata_o <= mem[a_addr_i];
           Tests:       T2 T6 T41 
86                            end
87                          end
                        MISSING_ELSE
88                        end
89                      
90                        always @(posedge clk_b_i) begin
91         1/1              if (b_req_i) begin
           Tests:       T2 T4 T5 
92         1/1                if (b_write_i) begin
           Tests:       T2 T4 T14 
93         1/1                  for (int i=0; i < MaskWidth; i = i + 1) begin
           Tests:       T2 T14 T20 
94         1/1                    if (b_wmask[i]) begin
           Tests:       T2 T14 T20 
95         1/1                      mem[b_addr_i][i*DataBitsPerMask +: DataBitsPerMask] <=
           Tests:       T2 T14 T20 
96                                    b_wdata_i[i*DataBitsPerMask +: DataBitsPerMask];
97                                end
                        MISSING_ELSE
98                              end
99                            end else begin
100        1/1                  b_rdata_o <= mem[b_addr_i];
           Tests:       T2 T4 T14 
101                           end
102                         end
                        MISSING_ELSE

---

Branch Coverage for Module : prim_generic_ram_2p

	Line No.	Total	Covered	Percent
Branches		6	6	100.00
IF	76	3	3	100.00
IF	91	3	3	100.00

76             if (a_req_i) begin
               -1-  
77               if (a_write_i) begin
                 -2-  
78                 for (int i=0; i < MaskWidth; i = i + 1) begin
                   ==>
79                   if (a_wmask[i]) begin
80                     mem[a_addr_i][i*DataBitsPerMask +: DataBitsPerMask] <=
81                       a_wdata_i[i*DataBitsPerMask +: DataBitsPerMask];
82                   end
83                 end
84               end else begin
85                 a_rdata_o <= mem[a_addr_i];
                   ==>
86               end
87             end
               MISSING_ELSE
               ==>

Branches:

-1-	-2-	Status	Tests
1	1	Covered	T2,T4,T6
1	0	Covered	T2,T6,T41
0	-	Covered	T1,T2,T3

91             if (b_req_i) begin
               -1-  
92               if (b_write_i) begin
                 -2-  
93                 for (int i=0; i < MaskWidth; i = i + 1) begin
                   ==>
94                   if (b_wmask[i]) begin
95                     mem[b_addr_i][i*DataBitsPerMask +: DataBitsPerMask] <=
96                       b_wdata_i[i*DataBitsPerMask +: DataBitsPerMask];
97                   end
98                 end
99               end else begin
100                b_rdata_o <= mem[b_addr_i];
                   ==>
101              end
102            end
               MISSING_ELSE
               ==>

Branches:

-1-	-2-	Status	Tests
1	1	Covered	T2,T14,T20
1	0	Covered	T2,T4,T14
0	-	Covered	T2,T4,T5

---

Assert Coverage for Module : prim_generic_ram_2p

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	8	8	100.00	8	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	8	8	100.00	8	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
gen_wmask[0].MaskCheckPortA_A	468598788	2124512	0	0
gen_wmask[0].MaskCheckPortB_A	148386066	1306474	0	0
gen_wmask[1].MaskCheckPortA_A	468598788	2124512	0	0
gen_wmask[1].MaskCheckPortB_A	148386066	1306474	0	0
gen_wmask[2].MaskCheckPortA_A	468598788	2124512	0	0
gen_wmask[2].MaskCheckPortB_A	148386066	1306474	0	0
gen_wmask[3].MaskCheckPortA_A	468598788	2124512	0	0
gen_wmask[3].MaskCheckPortB_A	148386066	1306474	0	0

gen_wmask[0].MaskCheckPortA_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	468598788	2124512	0	0
T2	556398	1356	0	0
T3	1335	0	0	0
T4	1313	1	0	0
T5	2646	0	0	0
T6	2127	100	0	0
T7	10581	832	0	0
T8	8729	832	0	0
T9	3476	832	0	0
T10	3742	832	0	0
T14	0	253	0	0
T26	937	0	0	0
T39	0	832	0	0
T41	0	100	0	0

gen_wmask[0].MaskCheckPortB_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	148386066	1306474	0	0
T2	81023	998	0	0
T4	72	0	0	0
T5	216	0	0	0
T8	96	0	0	0
T9	80	0	0	0
T12	829	0	0	0
T14	24001	479	0	0
T15	32	0	0	0
T16	116248	0	0	0
T17	105809	0	0	0
T20	0	20	0	0
T25	0	3347	0	0
T29	0	2539	0	0
T31	0	174	0	0
T32	0	75	0	0
T82	0	2806	0	0
T83	0	1209	0	0
T84	0	100	0	0

gen_wmask[1].MaskCheckPortA_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	468598788	2124512	0	0
T2	556398	1356	0	0
T3	1335	0	0	0
T4	1313	1	0	0
T5	2646	0	0	0
T6	2127	100	0	0
T7	10581	832	0	0
T8	8729	832	0	0
T9	3476	832	0	0
T10	3742	832	0	0
T14	0	253	0	0
T26	937	0	0	0
T39	0	832	0	0
T41	0	100	0	0

gen_wmask[1].MaskCheckPortB_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	148386066	1306474	0	0
T2	81023	998	0	0
T4	72	0	0	0
T5	216	0	0	0
T8	96	0	0	0
T9	80	0	0	0
T12	829	0	0	0
T14	24001	479	0	0
T15	32	0	0	0
T16	116248	0	0	0
T17	105809	0	0	0
T20	0	20	0	0
T25	0	3347	0	0
T29	0	2539	0	0
T31	0	174	0	0
T32	0	75	0	0
T82	0	2806	0	0
T83	0	1209	0	0
T84	0	100	0	0

gen_wmask[2].MaskCheckPortA_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	468598788	2124512	0	0
T2	556398	1356	0	0
T3	1335	0	0	0
T4	1313	1	0	0
T5	2646	0	0	0
T6	2127	100	0	0
T7	10581	832	0	0
T8	8729	832	0	0
T9	3476	832	0	0
T10	3742	832	0	0
T14	0	253	0	0
T26	937	0	0	0
T39	0	832	0	0
T41	0	100	0	0

gen_wmask[2].MaskCheckPortB_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	148386066	1306474	0	0
T2	81023	998	0	0
T4	72	0	0	0
T5	216	0	0	0
T8	96	0	0	0
T9	80	0	0	0
T12	829	0	0	0
T14	24001	479	0	0
T15	32	0	0	0
T16	116248	0	0	0
T17	105809	0	0	0
T20	0	20	0	0
T25	0	3347	0	0
T29	0	2539	0	0
T31	0	174	0	0
T32	0	75	0	0
T82	0	2806	0	0
T83	0	1209	0	0
T84	0	100	0	0

gen_wmask[3].MaskCheckPortA_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	468598788	2124512	0	0
T2	556398	1356	0	0
T3	1335	0	0	0
T4	1313	1	0	0
T5	2646	0	0	0
T6	2127	100	0	0
T7	10581	832	0	0
T8	8729	832	0	0
T9	3476	832	0	0
T10	3742	832	0	0
T14	0	253	0	0
T26	937	0	0	0
T39	0	832	0	0
T41	0	100	0	0

gen_wmask[3].MaskCheckPortB_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	148386066	1306474	0	0
T2	81023	998	0	0
T4	72	0	0	0
T5	216	0	0	0
T8	96	0	0	0
T9	80	0	0	0
T12	829	0	0	0
T14	24001	479	0	0
T15	32	0	0	0
T16	116248	0	0	0
T17	105809	0	0	0
T20	0	20	0	0
T25	0	3347	0	0
T29	0	2539	0	0
T31	0	174	0	0
T32	0	75	0	0
T82	0	2806	0	0
T83	0	1209	0	0
T84	0	100	0	0