Unified Coverage Report :: Module :: tlul_adapter_sram

Module : tlul_adapter_sram

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
95.53	98.70	86.55			96.88	100.00

Source File(s) :
/workspaces/repo/scratch/os_regression_2024_10_02/sram_ctrl_main-sim-vcs/default/sim-vcs/../src/lowrisc_tlul_adapter_sram_0.1/rtl/tlul_adapter_sram.sv

Module self-instances :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
tb.dut.u_tlul_adapter_sram	96.26	98.70	89.47			96.88	100.00

---

Module Instance : tb.dut.u_tlul_adapter_sram

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
96.26	98.70	89.47			96.88	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
97.56	99.10	93.51	98.44	100.00	94.29	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
91.90	100.00	88.89	100.00		100.00	70.59	dut

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
gen_cmd_intg_check.u_cmd_intg_chk	100.00	100.00		100.00			100.00
u_err	100.00	100.00	100.00			100.00	100.00
u_reqfifo	96.82	100.00	94.12	90.00		100.00	100.00
u_rsp_gen	100.00	100.00					100.00
u_rspfifo	100.00	100.00	100.00	100.00		100.00	100.00
u_sram_byte	97.19	98.79	94.94		100.00	92.23	100.00
u_sramreqfifo	92.97	100.00	84.85	90.00		90.00	100.00

Line Coverage for Module : tlul_adapter_sram

	Line No.	Total	Covered	Percent
TOTAL		77	76	98.70
CONT_ASSIGN	96	1	1	100.00
ALWAYS	99	4	3	75.00
CONT_ASSIGN	114	1	1	100.00
ALWAYS	129	4	4	100.00
CONT_ASSIGN	138	1	1	100.00
CONT_ASSIGN	144	1	1	100.00
CONT_ASSIGN	151	1	1	100.00
CONT_ASSIGN	176	1	1	100.00
CONT_ASSIGN	188	1	1	100.00
CONT_ASSIGN	272	1	1	100.00
CONT_ASSIGN	273	1	1	100.00
CONT_ASSIGN	274	1	1	100.00
ALWAYS	279	8	8	100.00
ALWAYS	299	6	6	100.00
CONT_ASSIGN	313	1	1	100.00
CONT_ASSIGN	317	1	1	100.00
CONT_ASSIGN	336	1	1	100.00
CONT_ASSIGN	341	1	1	100.00
CONT_ASSIGN	347	1	1	100.00
CONT_ASSIGN	359	1	1	100.00
ALWAYS	362	3	3	100.00
CONT_ASSIGN	369	1	1	100.00
CONT_ASSIGN	390	1	1	100.00
CONT_ASSIGN	391	1	1	100.00
CONT_ASSIGN	392	1	1	100.00
CONT_ASSIGN	393	1	1	100.00
ALWAYS	423	6	6	100.00
ALWAYS	435	5	5	100.00
CONT_ASSIGN	446	1	1	100.00
CONT_ASSIGN	447	1	1	100.00
CONT_ASSIGN	456	1	1	100.00
CONT_ASSIGN	457	1	1	100.00
CONT_ASSIGN	459	1	1	100.00
CONT_ASSIGN	460	1	1	100.00
CONT_ASSIGN	467	1	1	100.00
CONT_ASSIGN	470	1	1	100.00
CONT_ASSIGN	474	1	1	100.00
CONT_ASSIGN	475	1	1	100.00
CONT_ASSIGN	477	1	1	100.00
CONT_ASSIGN	479	1	1	100.00
CONT_ASSIGN	486	1	1	100.00
ALWAYS	492	4	4	100.00
CONT_ASSIGN	526	1	1	100.00
CONT_ASSIGN	531	1	1	100.00
CONT_ASSIGN	536	0	0
CONT_ASSIGN	620	1	1	100.00

95                        if (EnableReadback) begin : gen_cmd_readback_check
96         1/1              assign readback_error = sram_byte_readback_error;
           Tests:       T1 T2 T3 
97                          // permanently latch readback error until reset
98                          always_ff @(posedge clk_i or negedge rst_ni) begin
99         1/1                if (!rst_ni) begin
           Tests:       T1 T2 T3 
100        1/1                  readback_error_q <= '0;
           Tests:       T1 T2 T3 
101        1/1                end else if (readback_error) begin
           Tests:       T1 T2 T3 
102        0/1     ==>          readback_error_q <= 1'b1;
103                           end
                        MISSING_ELSE
104                         end
105                       end else begin : gen_no_readback_check
106                         logic unused_sram_byte_readback_error;
107                         assign unused_sram_byte_readback_error = sram_byte_readback_error;
108                         assign readback_error = '0;
109                         assign readback_error_q = '0;
110                       end
111                     
112                       // readback error output is permanent and should be used for alert generation
113                       // or other downstream effects
114        1/1            assign readback_error_o = readback_error | readback_error_q;
           Tests:       T1 T2 T3 
115                     
116                       // integrity check
117                       if (CmdIntgCheck) begin : gen_cmd_intg_check
118                         tlul_cmd_intg_chk u_cmd_intg_chk (
119                           .tl_i(tl_i),
120                           .err_o (intg_error)
121                         );
122                       end else begin : gen_no_cmd_intg_check
123                         assign intg_error = '0;
124                       end
125                     
126                       // permanently latch integrity error until reset
127                       logic intg_error_q;
128                       always_ff @(posedge clk_i or negedge rst_ni) begin
129        1/1              if (!rst_ni) begin
           Tests:       T1 T2 T3 
130        1/1                intg_error_q <= '0;
           Tests:       T1 T2 T3 
131        1/1              end else if (intg_error || rsp_fifo_error || sramreqfifo_error || reqfifo_error) begin
           Tests:       T1 T2 T3 
132        1/1                intg_error_q <= 1'b1;
           Tests:       T4 T5 T6 
133                         end
                        MISSING_ELSE
134                       end
135                     
136                       // integrity error output is permanent and should be used for alert generation
137                       // or other downstream effects
138        1/1            assign intg_error_o = intg_error | rsp_fifo_error | sramreqfifo_error |
           Tests:       T1 T2 T3 
139                           reqfifo_error | intg_error_q;
140                     
141                       // wr_attr_error: Check if the request size, mask are permitted.
142                       //    Basic check of size, mask, addr align is done in tlul_err module.
143                       //    Here it checks any partial write if ByteAccess isn't allowed.
144        1/1            assign wr_attr_error = (tl_i.a_opcode == PutFullData || tl_i.a_opcode == PutPartialData)
           Tests:       T1 T2 T3 
145                                              ? ((ByteAccess == 0) ?
146                                                (tl_i.a_mask != '1 || tl_i.a_size != 2'h2) : 1'b0)
147                                                : 1'b0;
148                     
149                       // An instruction type transaction is only valid if en_ifetch is enabled
150                       // If the instruction type is completely invalid, also considered an instruction error
151        1/1            assign instr_error = prim_mubi_pkg::mubi4_test_invalid(tl_i.a_user.instr_type) |
           Tests:       T1 T2 T3 
152                                            (prim_mubi_pkg::mubi4_test_true_strict(tl_i.a_user.instr_type) &
153                                             prim_mubi_pkg::mubi4_test_false_loose(en_ifetch_i));
154                     
155                       if (ErrOnWrite == 1) begin : gen_no_writes
156                         assign wr_vld_error = tl_i.a_opcode != Get;
157                       end else begin : gen_writes_allowed
158                         assign wr_vld_error = 1'b0;
159                       end
160                     
161                       if (ErrOnRead == 1) begin: gen_no_reads
162                         assign rd_vld_error = tl_i.a_opcode == Get;
163                       end else begin : gen_reads_allowed
164                         assign rd_vld_error = 1'b0;
165                       end
166                     
167                       // tlul protocol check
168                       tlul_err u_err (
169                         .clk_i,
170                         .rst_ni,
171                         .tl_i(tl_i),
172                         .err_o (tlul_error)
173                       );
174                     
175                       // error return is transactional and thus does not used the "latched" intg_err signal
176        1/1            assign error_det = wr_attr_error | wr_vld_error | rd_vld_error | instr_error |
           Tests:       T1 T2 T3 
177                                          tlul_error    | intg_error;
178                     
179                       // from sram_byte to adapter logic
180                       tl_h2d_t tl_i_int;
181                       // from adapter logic to sram_byte
182                       tl_d2h_t tl_o_int;
183                       // from sram_byte to rsp_gen
184                       tl_d2h_t tl_out;
185                     
186                       // not all parts of tl_i_int are used
187                       logic unused_tl_i_int;
188        1/1            assign unused_tl_i_int = ^tl_i_int;
           Tests:       T1 T2 T3 
189                     
190                       tlul_rsp_intg_gen #(
191                         .EnableRspIntgGen(EnableRspIntgGen),
192                         .EnableDataIntgGen(EnableDataIntgGen)
193                       ) u_rsp_gen (
194                         .tl_i(tl_out),
195                         .tl_o
196                       );
197                     
198                       // byte handling for integrity
199                       tlul_sram_byte #(
200                         .EnableIntg(ByteAccess & EnableDataIntgPt & !ErrOnWrite),
201                         .Outstanding(Outstanding),
202                         .EnableReadback(EnableReadback)
203                       ) u_sram_byte (
204                         .clk_i,
205                         .rst_ni,
206                         .tl_i,
207                         .tl_o(tl_out),
208                         .tl_sram_o(tl_i_int),
209                         .tl_sram_i(tl_o_int),
210                         .error_i(error_det),
211                         .error_o(error_internal),
212                         .alert_o(sram_byte_readback_error),
213                         .compound_txn_in_progress_o,
214                         .readback_en_i,
215                         .wr_collision_i,
216                         .write_pending_i
217                       );
218                     
219                       typedef struct packed {
220                         logic [top_pkg::TL_DBW-1:0] mask ; // Byte mask within the TL-UL word
221                         logic [WoffsetWidth-1:0]    woffset ; // Offset of the TL-UL word within the SRAM word
222                       } sram_req_t ;
223                     
224                       typedef struct packed {
225                         logic [SramBusBankAW-1:0] addr; // Address of the request going to the memory.
226                       } sram_req_addr_t ;
227                     
228                       typedef enum logic [1:0] {
229                         OpWrite,
230                         OpRead,
231                         OpUnknown
232                       } req_op_e ;
233                     
234                       typedef struct packed {
235                         req_op_e                    op ;
236                         logic                       error ;
237                         prim_mubi_pkg::mubi4_t      instr_type;
238                         logic [top_pkg::TL_SZW-1:0] size ;
239                         logic [top_pkg::TL_AIW-1:0] source ;
240                       } req_t ;
241                     
242                       typedef struct packed {
243                         logic [top_pkg::TL_DW-1:0] data ;
244                         logic [DataIntgWidth-1:0]  data_intg ;
245                         logic                      error ;
246                       } rsp_t ;
247                     
248                       localparam int SramReqFifoWidth = $bits(sram_req_t) ;
249                       localparam int ReqFifoWidth = $bits(req_t) ;
250                       localparam int RspFifoWidth = $bits(rsp_t) ;
251                     
252                       // FIFO signal in case OutStand is greater than 1
253                       // If request is latched, {write, source} is pushed to req fifo.
254                       // Req fifo is popped when D channel is acknowledged (v & r)
255                       // D channel valid is asserted if it is write request or rsp fifo not empty if read.
256                       logic reqfifo_wvalid, reqfifo_wready;
257                       logic reqfifo_rvalid, reqfifo_rready;
258                       req_t reqfifo_wdata,  reqfifo_rdata;
259                     
260                       logic sramreqfifo_wvalid, sramreqfifo_wready;
261                       logic sramreqfifo_rready;
262                       sram_req_t sramreqfifo_wdata, sramreqfifo_rdata;
263                     
264                       logic sramreqaddrfifo_wready;
265                       logic [SramBusBankAW-1:0] sramreqaddrfifo_wdata, sramreqaddrfifo_rdata;
266                     
267                       logic rspfifo_wvalid, rspfifo_wready;
268                       logic rspfifo_rvalid, rspfifo_rready;
269                       rsp_t rspfifo_wdata,  rspfifo_rdata;
270                     
271                       logic a_ack, d_ack, sram_ack;
272        1/1            assign a_ack    = tl_i_int.a_valid & tl_o_int.a_ready ;
           Tests:       T1 T2 T3 
273        1/1            assign d_ack    = tl_o_int.d_valid & tl_i_int.d_ready ;
           Tests:       T1 T2 T3 
274        1/1            assign sram_ack = req_o        & gnt_i ;
           Tests:       T1 T2 T3 
275                     
276                       // Valid handling
277                       logic d_valid, d_error;
278                       always_comb begin
279        1/1              d_valid = 1'b0;
           Tests:       T1 T2 T3 
280                     
281        1/1              if (reqfifo_rvalid) begin
           Tests:       T1 T2 T3 
282        1/1                if (reqfifo_rdata.error) begin
           Tests:       T2 T3 T7 
283                             // Return error response. Assume no request went out to SRAM
284        1/1                  d_valid = 1'b1;
           Tests:       T3 T11 T21 
285        1/1                end else if (reqfifo_rdata.op == OpRead) begin
           Tests:       T2 T3 T7 
286        1/1                  d_valid = rspfifo_rvalid;
           Tests:       T2 T3 T7 
287                           end else begin
288                             // Write without error
289        1/1                  d_valid = 1'b1;
           Tests:       T2 T3 T7 
290                           end
291                         end else begin
292        1/1                d_valid = 1'b0;
           Tests:       T1 T2 T3 
293                         end
294                       end
295                     
296                     
297                     
298                       always_comb begin
299        1/1              d_error = 1'b0;
           Tests:       T1 T2 T3 
300                     
301        1/1              if (reqfifo_rvalid) begin
           Tests:       T1 T2 T3 
302        1/1                if (reqfifo_rdata.op == OpRead) begin
           Tests:       T2 T3 T7 
303        1/1                  d_error = rspfifo_rdata.error | reqfifo_rdata.error;
           Tests:       T2 T3 T7 
304                           end else begin
305        1/1                  d_error = reqfifo_rdata.error;
           Tests:       T2 T3 T7 
306                           end
307                         end else begin
308        1/1                d_error = 1'b0;
           Tests:       T1 T2 T3 
309                         end
310                       end
311                     
312                       logic vld_rd_rsp;
313        1/1            assign vld_rd_rsp = d_valid & reqfifo_rvalid & rspfifo_rvalid & (reqfifo_rdata.op == OpRead);
           Tests:       T1 T2 T3 
314                       // If the response data is not valid, we set it to an illegal blanking value which is determined
315                       // by whether the current transaction is an instruction fetch or a regular read operation.
316                       logic [top_pkg::TL_DW-1:0] error_blanking_data;
317        1/1            assign error_blanking_data = (prim_mubi_pkg::mubi4_test_true_strict(reqfifo_rdata.instr_type)) ?
           Tests:       T1 T2 T3 
318                                                      DataWhenInstrError :
319                                                      DataWhenError;
320                     
321                       // Since DataWhenInstrError and DataWhenError can be arbitrary parameters
322                       // we statically calculate the correct integrity values for these parameters here so that
323                       // they do not have to be supplied externally.
324                       logic [top_pkg::TL_DW-1:0] unused_instr, unused_data;
325                       logic [DataIntgWidth-1:0] error_instr_integ, error_data_integ;
326                       tlul_data_integ_enc u_tlul_data_integ_enc_instr (
327                         .data_i(DataMaxWidth'(DataWhenInstrError)),
328                         .data_intg_o({error_instr_integ, unused_instr})
329                       );
330                       tlul_data_integ_enc u_tlul_data_integ_enc_data (
331                         .data_i(DataMaxWidth'(DataWhenError)),
332                         .data_intg_o({error_data_integ, unused_data})
333                       );
334                     
335                       logic [DataIntgWidth-1:0] error_blanking_integ;
336        1/1            assign error_blanking_integ = (prim_mubi_pkg::mubi4_test_true_strict(reqfifo_rdata.instr_type)) ?
           Tests:       T1 T2 T3 
337                                                      error_instr_integ :
338                                                      error_data_integ;
339                     
340                       logic [top_pkg::TL_DW-1:0] d_data;
341        1/1            assign d_data = (vld_rd_rsp & ~d_error) ? rspfifo_rdata.data   // valid read
           Tests:       T1 T2 T3 
342                                                               : error_blanking_data; // write or TL-UL error
343                     
344                       // If this a write response with data fields set to 0, we have to set all ECC bits correctly
345                       // since we are using an inverted Hsiao code.
346                       logic [DataIntgWidth-1:0] data_intg;
347        1/1            assign data_intg = (vld_rd_rsp && reqfifo_rdata.error) ? error_blanking_integ    : // TL-UL error
           Tests:       T1 T2 T3 
348                                          (vld_rd_rsp)                        ? rspfifo_rdata.data_intg : // valid read
349                                          prim_secded_pkg::SecdedInv3932ZeroEcc;                          // valid write
350                     
351                       // When an error is seen on an incoming transaction it gets an immediate response without
352                       // performing an SRAM request. It may be the transaction receives a ready the first cycle it is
353                       // seen, but if not we force a ready the following cycle. This avoids factoring the error
354                       // calculation into the outgoing ready preventing a feedthrough path from the incoming tilelink
355                       // signals to the outgoing tilelink signals.
356                       logic missed_err_gnt_d, missed_err_gnt_q;
357                     
358                       // Track whether we've seen an incoming transaction with an error that didn't get a ready
359        1/1            assign missed_err_gnt_d = error_internal & tl_i_int.a_valid & ~tl_o_int.a_ready;
           Tests:       T1 T2 T3 
360                     
361                       always_ff @(posedge clk_i or negedge rst_ni) begin
362        1/1              if (!rst_ni) begin
           Tests:       T1 T2 T3 
363        1/1                missed_err_gnt_q <= 1'b0;
           Tests:       T1 T2 T3 
364                         end else begin
365        1/1                missed_err_gnt_q <= missed_err_gnt_d;
           Tests:       T1 T2 T3 
366                         end
367                       end
368                     
369        1/1            assign tl_o_int = '{
           Tests:       T1 T2 T3 
370                           d_valid  : d_valid ,
371                           d_opcode : (d_valid && reqfifo_rdata.op != OpRead) ? AccessAck : AccessAckData,
372                           d_param  : '0,
373                           d_size   : (d_valid) ? reqfifo_rdata.size : '0,
374                           d_source : (d_valid) ? reqfifo_rdata.source : '0,
375                           d_sink   : 1'b0,
376                           d_data   : d_data,
377                           d_user   : '{default: '0, data_intg: data_intg},
378                           d_error  : d_valid && d_error,
379                           a_ready  : (gnt_i | missed_err_gnt_q) & reqfifo_wready & sramreqfifo_wready &
380                                       sramreqaddrfifo_wready
381                       };
382                     
383                       // a_ready depends on the FIFO full condition and grant from SRAM (or SRAM arbiter)
384                       // assemble response, including read response, write response, and error for unsupported stuff
385                     
386                       // Output to SRAM:
387                       //    Generate request only when no internal error occurs. If error occurs, the request should be
388                       //    dropped and returned error response to the host. So, error to be pushed to reqfifo.
389                       //    In this case, it is assumed the request is granted (may cause ordering issue later?)
390        1/1            assign req_o      = tl_i_int.a_valid & reqfifo_wready & ~error_internal;
           Tests:       T1 T2 T3 
391        1/1            assign req_type_o = tl_i_int.a_user.instr_type;
           Tests:       T1 T2 T3 
392        1/1            assign we_o       = tl_i_int.a_valid & (tl_i_int.a_opcode inside {PutFullData, PutPartialData});
           Tests:       T1 T2 T3 
393        1/1            assign addr_o     = (tl_i_int.a_valid) ? tl_i_int.a_address[DataBitWidth+:SramAw] : '0;
           Tests:       T1 T2 T3 
394                     
395                       // Support SRAMs wider than the TL-UL word width by mapping the parts of the
396                       // TL-UL address which are more fine-granular than the SRAM width to the
397                       // SRAM write mask.
398                       logic [WoffsetWidth-1:0] woffset;
399                       if (top_pkg::TL_DW != SramDw) begin : gen_wordwidthadapt
400                         assign woffset = tl_i_int.a_address[DataBitWidth-1:prim_util_pkg::vbits(top_pkg::TL_DBW)];
401                       end else begin : gen_no_wordwidthadapt
402                         assign woffset = '0;
403                       end
404                     
405                       // The size of the data/wmask depends on whether passthrough integrity is enabled.
406                       // If passthrough integrity is enabled, the data is concatenated with the integrity passed through
407                       // the user bits.  Otherwise, it is the data only.
408                       localparam int DataWidth = EnableDataIntgPt ? top_pkg::TL_DW + DataIntgWidth : top_pkg::TL_DW;
409                     
410                       // Final combined wmask / wdata
411                       logic [WidthMult-1:0][DataWidth-1:0] wmask_combined;
412                       logic [WidthMult-1:0][DataWidth-1:0] wdata_combined;
413                     
414                       // Original tlul portion
415                       logic [WidthMult-1:0][top_pkg::TL_DW-1:0] wmask_int;
416                       logic [WidthMult-1:0][top_pkg::TL_DW-1:0] wdata_int;
417                     
418                       // Integrity portion
419                       logic [WidthMult-1:0][DataIntgWidth-1:0] wmask_intg;
420                       logic [WidthMult-1:0][DataIntgWidth-1:0] wdata_intg;
421                     
422                       always_comb begin
423        1/1              wmask_int = '0;
           Tests:       T1 T2 T3 
424        1/1              wdata_int = '0;
           Tests:       T1 T2 T3 
425                     
426        1/1              if (tl_i_int.a_valid) begin
           Tests:       T1 T2 T3 
427        1/1                for (int i = 0 ; i < top_pkg::TL_DW/8 ; i++) begin
           Tests:       T2 T3 T7 
428        1/1                  wmask_int[woffset][8*i +: 8] = {8{tl_i_int.a_mask[i]}};
           Tests:       T2 T3 T7 
429        1/1                  wdata_int[woffset][8*i +: 8] = (tl_i_int.a_mask[i] && we_o) ? tl_i_int.a_data[8*i+:8] : '0;
           Tests:       T2 T3 T7 
430                           end
431                         end
                        MISSING_ELSE
432                       end
433                     
434                       always_comb begin
435        1/1              wmask_intg  = '0;
           Tests:       T1 T2 T3 
436        1/1              wdata_intg  = '0;
           Tests:       T1 T2 T3 
437                     
438        1/1              if (tl_i_int.a_valid) begin
           Tests:       T1 T2 T3 
439        1/1                wmask_intg[woffset] = {DataIntgWidth{1'b1}};
           Tests:       T2 T3 T7 
440        1/1                wdata_intg[woffset] = tl_i_int.a_user.data_intg;
           Tests:       T2 T3 T7 
441                         end
                        MISSING_ELSE
442                       end
443                     
444                       for (genvar i = 0; i < WidthMult; i++) begin : gen_write_output
445                         if (EnableDataIntgPt) begin : gen_combined_output
446        1/1                assign wmask_combined[i] = {wmask_intg[i], wmask_int[i]};
           Tests:       T1 T2 T3 
447        1/1                assign wdata_combined[i] = {wdata_intg[i], wdata_int[i]};
           Tests:       T1 T2 T3 
448                         end else begin : gen_ft_output
449                           logic unused_w;
450                           assign wmask_combined[i] = wmask_int[i];
451                           assign wdata_combined[i] = wdata_int[i];
452                           assign unused_w = |wmask_intg & |wdata_intg;
453                         end
454                       end
455                     
456        1/1            assign wmask_o = wmask_combined;
           Tests:       T1 T2 T3 
457        1/1            assign wdata_o = wdata_combined;
           Tests:       T1 T2 T3 
458                     
459        1/1            assign reqfifo_wvalid = a_ack ; // Push to FIFO only when granted
           Tests:       T1 T2 T3 
460        1/1            assign reqfifo_wdata  = '{
           Tests:       T1 T2 T3 
461                         op:     (tl_i_int.a_opcode != Get) ? OpWrite : OpRead, // To return AccessAck for opcode error
462                         error:  error_internal,
463                         instr_type: tl_i_int.a_user.instr_type,
464                         size:   tl_i_int.a_size,
465                         source: tl_i_int.a_source
466                       }; // Store the request only. Doesn't have to store data
467        1/1            assign reqfifo_rready = d_ack ;
           Tests:       T1 T2 T3 
468                     
469                       // push together with ReqFIFO, pop upon returning read
470        1/1            assign sramreqfifo_wdata = '{
           Tests:       T1 T2 T3 
471                         mask    : tl_i_int.a_mask,
472                         woffset : woffset
473                       };
474        1/1            assign sramreqfifo_wvalid = sram_ack & ~we_o;
           Tests:       T1 T2 T3 
475        1/1            assign sramreqfifo_rready = rspfifo_wvalid;
           Tests:       T1 T2 T3 
476                     
477        1/1            assign rspfifo_wvalid = rvalid_i & reqfifo_rvalid;
           Tests:       T1 T2 T3 
478                     
479        1/1            assign sramreqaddrfifo_wdata = tl_i_int.a_address[DataBitWidth+:SramBusBankAW];
           Tests:       T1 T2 T3 
480                     
481                       // Make sure only requested bytes are forwarded
482                       logic [WidthMult-1:0][DataWidth-1:0] rdata_reshaped;
483                       logic [DataWidth-1:0] rdata_tlword;
484                     
485                       // This just changes the array format so that the correct word can be selected by indexing.
486        1/1            assign rdata_reshaped = rdata_i;
           Tests:       T1 T2 T3 
487                     
488                       if (EnableDataIntgPt) begin : gen_no_rmask
489                         always_comb begin
490                           // If the read mask is set to zero, all read data is zeroed out by the mask.
491                           // We have to set the ECC bits accordingly since we are using an inverted Hsiao code.
492        1/1                rdata_tlword = prim_secded_pkg::SecdedInv3932ZeroWord;
           Tests:       T1 T2 T3 
493                           // Otherwise, if at least one mask bit is nonzero, we are passing through the integrity.
494                           // In that case we need to feed back the entire word since otherwise the integrity
495                           // will not calculate correctly.
496        1/1                if (|sramreqfifo_rdata.mask) begin
           Tests:       T1 T2 T3 
497                             // Select correct word.
498        1/1                  if (DataXorAddr) begin : gen_data_xor_addr
           Tests:       T2 T3 T7 
499                               // When DataXorAddr is enabled, on a read, the address is XORed with the data fetched from
500                               // the memory in the underlying memory controller (e.g., flash controller). At this point,
501                               // the address is again removed. If the address in the read transaction has been modified,
502                               // e.g., due to a fault, rdata now contains faulty data, which is detected by the
503                               // integrity mechanism.
504        unreachable            rdata_tlword = {
505                                   rdata_reshaped[sramreqfifo_rdata.woffset][DataWidth-1:top_pkg::TL_DW],
506                                   rdata_reshaped[sramreqfifo_rdata.woffset][top_pkg::TL_DW-1:0] ^
507                                       {{(top_pkg::TL_DW-SramBusBankAW){1'b0}}, sramreqaddrfifo_rdata}
508                               };
509                             end else begin: gen_no_data_xor_addr
510        1/1                    rdata_tlword = rdata_reshaped[sramreqfifo_rdata.woffset];
           Tests:       T2 T3 T7 
511                             end
512                           end
                        MISSING_ELSE
513                         end
514                       end else begin : gen_rmask
515                         logic [DataWidth-1:0] rmask;
516                         always_comb begin
517                           rmask = '0;
518                           for (int i = 0 ; i < top_pkg::TL_DW/8 ; i++) begin
519                             rmask[8*i +: 8] = {8{sramreqfifo_rdata.mask[i]}};
520                           end
521                         end
522                         // Select correct word and mask it.
523                         assign rdata_tlword = rdata_reshaped[sramreqfifo_rdata.woffset] & rmask;
524                       end
525                     
526        1/1            assign rspfifo_wdata  = '{
           Tests:       T1 T2 T3 
527                         data      : rdata_tlword[top_pkg::TL_DW-1:0],
528                         data_intg : EnableDataIntgPt ? rdata_tlword[DataWidth-1 -: DataIntgWidth] : '0,
529                         error     : rerror_i[1] // Only care for Uncorrectable error
530                       };
531        1/1            assign rspfifo_rready = (reqfifo_rdata.op == OpRead & ~reqfifo_rdata.error)
           Tests:       T1 T2 T3 
532                                             ? reqfifo_rready : 1'b0 ;
533                     
534                       // This module only cares about uncorrectable errors.
535                       logic unused_rerror;
536        unreachable    assign unused_rerror = rerror_i[0];
537                     
538                       // FIFO instance: REQ, RSP
539                     
540                       // ReqFIFO is to store the Access type to match to the Response data.
541                       //    For instance, SRAM accepts the write request but doesn't return the
542                       //    acknowledge. In this case, it may be hard to determine when the D
543                       //    response for the write data should send out if reads/writes are
544                       //    interleaved. So, to make it in-order (even TL-UL allows out-of-order
545                       //    responses), storing the request is necessary. And if the read entry
546                       //    is write op, it is safe to return the response right away. If it is
547                       //    read reqeust, then D response is waiting until read data arrives.
548                       prim_fifo_sync #(
549                         .Width   (ReqFifoWidth),
550                         .Pass    (1'b0),
551                         .Depth   (Outstanding),
552                         .Secure  (SecFifoPtr)
553                       ) u_reqfifo (
554                         .clk_i,
555                         .rst_ni,
556                         .clr_i   (1'b0),
557                         .wvalid_i(reqfifo_wvalid),
558                         .wready_o(reqfifo_wready),
559                         .wdata_i (reqfifo_wdata),
560                         .rvalid_o(reqfifo_rvalid),
561                         .rready_i(reqfifo_rready),
562                         .rdata_o (reqfifo_rdata),
563                         .full_o  (),
564                         .depth_o (),
565                         .err_o   (reqfifo_error)
566                       );
567                     
568                       // sramreqfifo:
569                       //    While the ReqFIFO holds the request until it is sent back via TL-UL, the
570                       //    sramreqfifo only needs to hold the mask and word offset until the read
571                       //    data returns from memory.
572                       prim_fifo_sync #(
573                         .Width   (SramReqFifoWidth),
574                         .Pass    (1'b0),
575                         .Depth   (Outstanding),
576                         .Secure  (SecFifoPtr)
577                       ) u_sramreqfifo (
578                         .clk_i,
579                         .rst_ni,
580                         .clr_i   (1'b0),
581                         .wvalid_i(sramreqfifo_wvalid),
582                         .wready_o(sramreqfifo_wready),
583                         .wdata_i (sramreqfifo_wdata),
584                         .rvalid_o(),
585                         .rready_i(sramreqfifo_rready),
586                         .rdata_o (sramreqfifo_rdata),
587                         .full_o  (),
588                         .depth_o (),
589                         .err_o   (sramreqfifo_error)
590                       );
591                     
592                       // sramreqaddrfifo:
593                       //    This fifo holds the address used for undoing the address XOR data infection.
594                       if (DataXorAddr) begin : gen_data_xor_addr_fifo
595                         prim_fifo_sync #(
596                           .Width              (SramBusBankAW),
597                           .Pass               (1'b0),
598                           .Depth              (Outstanding),
599                           .OutputZeroIfEmpty  (1)
600                         ) u_sramreqaddrfifo (
601                           .clk_i,
602                           .rst_ni,
603                           .clr_i   (1'b0),
604                           .wvalid_i(sramreqfifo_wvalid),
605                           .wready_o(sramreqaddrfifo_wready),
606                           .wdata_i (sramreqaddrfifo_wdata),
607                           .rvalid_o(),
608                           .rready_i(sramreqfifo_rready),
609                           .rdata_o (sramreqaddrfifo_rdata),
610                           .full_o  (),
611                           .depth_o (),
612                           .err_o   ()
613                         );
614                       end else begin : gen_no_data_xor_addr_fifo
615                         assign sramreqaddrfifo_wready = 1'b1;
616                         assign sramreqaddrfifo_rdata = '0;
617                     
618                         // Tie-off unused signals
619                         logic unused_sramreqaddrfifo;
620        1/1              assign unused_sramreqaddrfifo = ^{sramreqaddrfifo_wdata, sramreqaddrfifo_rdata};
           Tests:       T1 T2 T3 

---

Cond Coverage for Module : tlul_adapter_sram

	Total	Covered	Percent
Conditions	119	103	86.55
Logical	119	103	86.55
Non-Logical	0	0
Event	0	0

 LINE       114
 EXPRESSION (readback_error | readback_error_q)
             -------1------   --------2-------

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

 LINE       131
 EXPRESSION (intg_error || rsp_fifo_error || sramreqfifo_error || reqfifo_error)
             -----1----    -------2------    --------3--------    ------4------

-1-	-2-	-3-	-4-	Status	Tests
0	0	0	0	Covered	T1,T2,T3
0	0	0	1	Not Covered
0	0	1	0	Not Covered
0	1	0	0	Covered	T4,T5,T6
1	0	0	0	Not Covered

 LINE       138
 EXPRESSION (intg_error | rsp_fifo_error | sramreqfifo_error | reqfifo_error | intg_error_q)
             -----1----   -------2------   --------3--------   ------4------   ------5-----

-1-	-2-	-3-	-4-	-5-	Status	Tests
0	0	0	0	0	Covered	T1,T2,T3
0	0	0	0	1	Covered	T4,T5,T6
0	0	0	1	0	Not Covered
0	0	1	0	0	Not Covered
0	1	0	0	0	Covered	T4,T5,T6
1	0	0	0	0	Not Covered

 LINE       144
 EXPRESSION 
 Number  Term
      1  ((tl_i.a_opcode == PutFullData) || (tl_i.a_opcode == PutPartialData)) ? (((ByteAccess == 1'b0) ? ((tl_i.a_mask != '1) || (tl_i.a_size != 2'h2)) : 1'b0)) : 1'b0)

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

 LINE       144
 SUB-EXPRESSION ((tl_i.a_opcode == PutFullData) || (tl_i.a_opcode == PutPartialData))
                 ---------------1--------------    ----------------2----------------

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

 LINE       144
 SUB-EXPRESSION (tl_i.a_opcode == PutFullData)
                ---------------1--------------

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

 LINE       144
 SUB-EXPRESSION (tl_i.a_opcode == PutPartialData)
                ----------------1----------------

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

 LINE       176
 EXPRESSION (wr_attr_error | wr_vld_error | rd_vld_error | instr_error | tlul_error | intg_error)
             ------1------   ------2-----   ------3-----   -----4-----   -----5----   -----6----

-1-	-2-	-3-	-4-	-5-	-6-	Status	Tests
0	0	0	0	0	0	Covered	T2,T3,T7
0	0	0	0	0	1	Not Covered
0	0	0	0	1	0	Covered	T3,T4,T11
0	0	0	1	0	0	Covered	T3,T23,T24
0	0	1	0	0	0	Unreachable
0	1	0	0	0	0	Unreachable
1	0	0	0	0	0	Not Covered

 LINE       272
 EXPRESSION (tl_i_int.a_valid & tl_o_int.a_ready)
             --------1-------   --------2-------

-1-	-2-	Status	Tests
0	1	Covered	T1,T2,T3
1	0	Covered	T3,T11,T21
1	1	Covered	T2,T3,T7

 LINE       273
 EXPRESSION (tl_o_int.d_valid & tl_i_int.d_ready)
             --------1-------   --------2-------

-1-	-2-	Status	Tests
0	1	Covered	T1,T2,T3
1	0	Covered	T2,T3,T11
1	1	Covered	T2,T3,T7

 LINE       274
 EXPRESSION (req_o & gnt_i)
             --1--   --2--

-1-	-2-	Status	Tests
0	1	Covered	T1,T2,T3
1	0	Covered	T35,T36,T37
1	1	Covered	T2,T3,T7

 LINE       285
 EXPRESSION (reqfifo_rdata.op == OpRead)
            --------------1-------------

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

 LINE       302
 EXPRESSION (reqfifo_rdata.op == OpRead)
            --------------1-------------

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

 LINE       303
 EXPRESSION (rspfifo_rdata.error | reqfifo_rdata.error)
             ---------1---------   ---------2---------

-1-	-2-	Status	Tests
0	0	Covered	T2,T3,T7
0	1	Covered	T3,T11,T21
1	0	Not Covered

 LINE       313
 EXPRESSION (d_valid & reqfifo_rvalid & rspfifo_rvalid & (reqfifo_rdata.op == OpRead))
             ---1---   -------2------   -------3------   --------------4-------------

-1-	-2-	-3-	-4-	Status	Tests
0	1	1	1	Not Covered
1	0	1	1	Not Covered
1	1	0	1	Covered	T3,T11,T21
1	1	1	0	Covered	T3,T31,T33
1	1	1	1	Covered	T2,T3,T7

 LINE       313
 SUB-EXPRESSION (reqfifo_rdata.op == OpRead)
                --------------1-------------

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

 LINE       341
 EXPRESSION ((vld_rd_rsp & ((~d_error))) ? rspfifo_rdata.data : error_blanking_data)
             -------------1-------------

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

 LINE       341
 SUB-EXPRESSION (vld_rd_rsp & ((~d_error)))
                 -----1----   ------2-----

-1-	-2-	Status	Tests
0	1	Covered	T1,T2,T3
1	0	Covered	T3,T23,T38
1	1	Covered	T2,T3,T7

 LINE       347
 EXPRESSION ((vld_rd_rsp && reqfifo_rdata.error) ? error_blanking_integ : (vld_rd_rsp ? rspfifo_rdata.data_intg : prim_secded_pkg::SecdedInv3932ZeroEcc))
             -----------------1-----------------

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T3,T23,T38

 LINE       347
 SUB-EXPRESSION (vld_rd_rsp && reqfifo_rdata.error)
                 -----1----    ---------2---------

-1-	-2-	Status	Tests
0	1	Covered	T3,T11,T21
1	0	Covered	T2,T3,T7
1	1	Covered	T3,T23,T38

 LINE       347
 SUB-EXPRESSION (vld_rd_rsp ? rspfifo_rdata.data_intg : prim_secded_pkg::SecdedInv3932ZeroEcc)
                 -----1----

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

 LINE       359
 EXPRESSION (error_internal & tl_i_int.a_valid & ((~tl_o_int.a_ready)))
             -------1------   --------2-------   ----------3----------

-1-	-2-	-3-	Status	Tests
0	1	1	Covered	T3,T31,T33
1	0	1	Covered	T1,T2,T3
1	1	0	Covered	T3,T11,T21
1	1	1	Covered	T3,T11,T21

 LINE       369
 EXPRESSION ((d_valid && (reqfifo_rdata.op != OpRead)) ? AccessAck : AccessAckData)
             --------------------1--------------------

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

 LINE       369
 SUB-EXPRESSION (d_valid && (reqfifo_rdata.op != OpRead))
                 ---1---    --------------2-------------

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

 LINE       369
 SUB-EXPRESSION (reqfifo_rdata.op != OpRead)
                --------------1-------------

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

 LINE       369
 EXPRESSION (d_valid ? reqfifo_rdata.size : '0)
             ---1---

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

 LINE       369
 EXPRESSION (d_valid ? reqfifo_rdata.source : '0)
             ---1---

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

 LINE       369
 EXPRESSION (d_valid && d_error)
             ---1---    ---2---

-1-	-2-	Status	Tests
0	1	Not Covered
1	0	Covered	T2,T3,T7
1	1	Covered	T3,T11,T21

 LINE       369
 EXPRESSION ((gnt_i | missed_err_gnt_q) & reqfifo_wready & sramreqfifo_wready & sramreqaddrfifo_wready)
             -------------1------------   -------2------   ---------3--------   -----------4----------

-1-	-2-	-3-	-4-	Status	Tests
0	1	1	1	Covered	T2,T3,T13
1	0	1	1	Covered	T3,T21,T22
1	1	0	1	Not Covered
1	1	1	0	Unreachable
1	1	1	1	Covered	T1,T2,T3

 LINE       369
 SUB-EXPRESSION (gnt_i | missed_err_gnt_q)
                 --1--   --------2-------

-1-	-2-	Status	Tests
0	0	Covered	T2,T3,T13
0	1	Covered	T11,T21,T22
1	0	Covered	T1,T2,T3

 LINE       390
 EXPRESSION (tl_i_int.a_valid & reqfifo_wready & ((~error_internal)))
             --------1-------   -------2------   ---------3---------

-1-	-2-	-3-	Status	Tests
0	1	1	Covered	T2,T3,T29
1	0	1	Covered	T3,T31,T33
1	1	0	Covered	T3,T11,T21
1	1	1	Covered	T2,T3,T7

 LINE       392
 EXPRESSION (tl_i_int.a_valid & (tl_i_int.a_opcode inside {PutFullData, PutPartialData}))
             --------1-------   ----------------------------2---------------------------

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

 LINE       393
 EXPRESSION (tl_i_int.a_valid ? tl_i_int.a_address[DataBitWidth+:SramAw] : '0)
             --------1-------

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

 LINE       429
 EXPRESSION ((tl_i_int.a_mask[i] && we_o) ? tl_i_int.a_data[(8 * i)+:8] : '0)
             --------------1-------------

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

 LINE       429
 SUB-EXPRESSION (tl_i_int.a_mask[i] && we_o)
                 ---------1--------    --2-

-1-	-2-	Status	Tests
0	1	Covered	T3,T11,T21
1	0	Covered	T2,T3,T7
1	1	Covered	T2,T3,T7

 LINE       460
 EXPRESSION ((tl_i_int.a_opcode != Get) ? OpWrite : OpRead)
             -------------1------------

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

 LINE       460
 SUB-EXPRESSION (tl_i_int.a_opcode != Get)
                -------------1------------

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

 LINE       474
 EXPRESSION (sram_ack & ((~we_o)))
             ----1---   ----2----

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

 LINE       477
 EXPRESSION (rvalid_i & reqfifo_rvalid)
             ----1---   -------2------

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

 LINE       531
 EXPRESSION (((reqfifo_rdata.op == OpRead) & ((~reqfifo_rdata.error))) ? reqfifo_rready : 1'b0)
             ----------------------------1----------------------------

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

 LINE       531
 SUB-EXPRESSION ((reqfifo_rdata.op == OpRead) & ((~reqfifo_rdata.error)))
                 --------------1-------------   ------------2-----------

-1-	-2-	Status	Tests
0	1	Covered	T1,T2,T3
1	0	Covered	T3,T11,T21
1	1	Covered	T2,T3,T7

 LINE       531
 SUB-EXPRESSION (reqfifo_rdata.op == OpRead)
                --------------1-------------

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

---

Branch Coverage for Module : tlul_adapter_sram

	Line No.	Total	Covered	Percent
Branches		32	31	96.88
TERNARY	144	2	2	100.00
TERNARY	341	2	2	100.00
TERNARY	347	3	3	100.00
TERNARY	393	2	2	100.00
TERNARY	531	2	2	100.00
IF	129	3	3	100.00
IF	281	4	4	100.00
IF	301	3	3	100.00
IF	362	2	2	100.00
IF	426	2	2	100.00
IF	438	2	2	100.00
IF	99	3	2	66.67
IF	496	2	2	100.00

144          assign wr_attr_error = (tl_i.a_opcode == PutFullData || tl_i.a_opcode == PutPartialData)
145                                 ? ((ByteAccess == 0) ?
146                                   (tl_i.a_mask != '1 || tl_i.a_size != 2'h2) : 1'b0)
147                                   : 1'b0;

ID         LINE       
-1-        144        ((tl_i.a_opcode == PutFullData) || (tl_i.a_opcode == PutPartialData))

Branches:

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

341          assign d_data = (vld_rd_rsp & ~d_error) ? rspfifo_rdata.data   // valid read
                                                     -1-  
                                                     ==>  
                                                     ==>  

Branches:

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

347          assign data_intg = (vld_rd_rsp && reqfifo_rdata.error) ? error_blanking_integ    : // TL-UL error
                                                                    -1-  
                                                                    ==>  
348                             (vld_rd_rsp)                        ? rspfifo_rdata.data_intg : // valid read
                                                                    -2-  
                                                                    ==>  
                                                                    ==>  

Branches:

-1-	-2-	Status	Tests
1	-	Covered	T3,T23,T38
0	1	Covered	T2,T3,T7
0	0	Covered	T1,T2,T3

393          assign addr_o     = (tl_i_int.a_valid) ? tl_i_int.a_address[DataBitWidth+:SramAw] : '0;
                                                    -1-  
                                                    ==>  
                                                    ==>  

Branches:

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

531          assign rspfifo_rready = (reqfifo_rdata.op == OpRead & ~reqfifo_rdata.error)
                                                                                        
532                                ? reqfifo_rready : 1'b0 ;
                                   -1-  
                                   ==>  
                                   ==>  

Branches:

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

129            if (!rst_ni) begin
               -1-  
130              intg_error_q <= '0;
                 ==>
131            end else if (intg_error || rsp_fifo_error || sramreqfifo_error || reqfifo_error) begin
                        -2-                                                             
132              intg_error_q <= 1'b1;
                 ==>
133            end
               MISSING_ELSE
               ==>

Branches:

-1-	-2-	Status	Tests
1	-	Covered	T1,T2,T3
0	1	Covered	T4,T5,T6
0	0	Covered	T1,T2,T3

281            if (reqfifo_rvalid) begin
               -1-        
282              if (reqfifo_rdata.error) begin
                 -2-        
283                // Return error response. Assume no request went out to SRAM
284                d_valid = 1'b1;
                   ==>
285              end else if (reqfifo_rdata.op == OpRead) begin
                          -3-        
286                d_valid = rspfifo_rvalid;
                   ==>
287              end else begin
288                // Write without error
289                d_valid = 1'b1;
                   ==>
290              end
291            end else begin
292              d_valid = 1'b0;
                 ==>

Branches:

-1-	-2-	-3-	Status	Tests
1	1	-	Covered	T3,T11,T21
1	0	1	Covered	T2,T3,T7
1	0	0	Covered	T2,T3,T7
0	-	-	Covered	T1,T2,T3

301            if (reqfifo_rvalid) begin
               -1-        
302              if (reqfifo_rdata.op == OpRead) begin
                 -2-        
303                d_error = rspfifo_rdata.error | reqfifo_rdata.error;
                   ==>
304              end else begin
305                d_error = reqfifo_rdata.error;
                   ==>
306              end
307            end else begin
308              d_error = 1'b0;
                 ==>

Branches:

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

362            if (!rst_ni) begin
               -1-  
363              missed_err_gnt_q <= 1'b0;
                 ==>
364            end else begin
365              missed_err_gnt_q <= missed_err_gnt_d;
                 ==>

Branches:

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

426            if (tl_i_int.a_valid) begin
               -1-  
427              for (int i = 0 ; i < top_pkg::TL_DW/8 ; i++) begin
                 ==>
428                wmask_int[woffset][8*i +: 8] = {8{tl_i_int.a_mask[i]}};
429                wdata_int[woffset][8*i +: 8] = (tl_i_int.a_mask[i] && we_o) ? tl_i_int.a_data[8*i+:8] : '0;
430              end
431            end
               MISSING_ELSE
               ==>

Branches:

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

438            if (tl_i_int.a_valid) begin
               -1-  
439              wmask_intg[woffset] = {DataIntgWidth{1'b1}};
                 ==>
440              wdata_intg[woffset] = tl_i_int.a_user.data_intg;
441            end
               MISSING_ELSE
               ==>

Branches:

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

99               if (!rst_ni) begin
                 -1-  
100                readback_error_q <= '0;
                   ==>
101              end else if (readback_error) begin
                          -2-  
102                readback_error_q <= 1'b1;
                   ==>
103              end
                 MISSING_ELSE
                 ==>

Branches:

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

496              if (|sramreqfifo_rdata.mask) begin
                 -1-             
497                // Select correct word.
498                if (DataXorAddr) begin : gen_data_xor_addr
                   -2-  
499                  // When DataXorAddr is enabled, on a read, the address is XORed with the data fetched from
500                  // the memory in the underlying memory controller (e.g., flash controller). At this point,
501                  // the address is again removed. If the address in the read transaction has been modified,
502                  // e.g., due to a fault, rdata now contains faulty data, which is detected by the
503                  // integrity mechanism.
504                  rdata_tlword = {
                     ==> (Unreachable)
505                      rdata_reshaped[sramreqfifo_rdata.woffset][DataWidth-1:top_pkg::TL_DW],
506                      rdata_reshaped[sramreqfifo_rdata.woffset][top_pkg::TL_DW-1:0] ^
507                          {{(top_pkg::TL_DW-SramBusBankAW){1'b0}}, sramreqaddrfifo_rdata}
508                  };
509                end else begin: gen_no_data_xor_addr
510                  rdata_tlword = rdata_reshaped[sramreqfifo_rdata.woffset];
                     ==>
511                end
512              end
                 MISSING_ELSE
                 ==>

Branches:

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

---

Assert Coverage for Module : tlul_adapter_sram

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	13	13	100.00	13	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	13	13	100.00	13	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
AddrOutKnown_A	1125267354	1125166738	0	0
DataIntgOptions_A	900	900	0	0
ReqOutKnown_A	1125267354	1125166738	0	0
SramDwHasByteGranularity_A	900	900	0	0
SramDwIsMultipleOfTlulWidth_A	900	900	0	0
TlOutKnownIfFifoKnown_A	1125267354	1125166738	0	0
TlOutValidKnown_A	1125267354	1125166738	0	0
WdataOutKnown_A	1125267354	1125166738	0	0
WeOutKnown_A	1125267354	1125166738	0	0
WmaskOutKnown_A	1125267354	1125166738	0	0
adapterNoReadOrWrite	900	900	0	0
rvalidHighReqFifoEmpty	1125267354	92183249	0	0
rvalidHighWhenRspFifoFull	1125267354	92183249	0	0

AddrOutKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	1125267354	1125166738	0	0
T1	840	782	0	0
T2	140154	140102	0	0
T3	505600	505546	0	0
T4	21586	18860	0	0
T5	23280	17955	0	0
T7	69609	69542	0	0
T12	964	877	0	0
T13	34212	34120	0	0
T14	35020	34957	0	0
T15	1323	1231	0	0

DataIntgOptions_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	900	900	0	0
T1	1	1	0	0
T2	1	1	0	0
T3	1	1	0	0
T4	1	1	0	0
T5	1	1	0	0
T7	1	1	0	0
T12	1	1	0	0
T13	1	1	0	0
T14	1	1	0	0
T15	1	1	0	0

ReqOutKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	1125267354	1125166738	0	0
T1	840	782	0	0
T2	140154	140102	0	0
T3	505600	505546	0	0
T4	21586	18860	0	0
T5	23280	17955	0	0
T7	69609	69542	0	0
T12	964	877	0	0
T13	34212	34120	0	0
T14	35020	34957	0	0
T15	1323	1231	0	0

SramDwHasByteGranularity_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	900	900	0	0
T1	1	1	0	0
T2	1	1	0	0
T3	1	1	0	0
T4	1	1	0	0
T5	1	1	0	0
T7	1	1	0	0
T12	1	1	0	0
T13	1	1	0	0
T14	1	1	0	0
T15	1	1	0	0

SramDwIsMultipleOfTlulWidth_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	900	900	0	0
T1	1	1	0	0
T2	1	1	0	0
T3	1	1	0	0
T4	1	1	0	0
T5	1	1	0	0
T7	1	1	0	0
T12	1	1	0	0
T13	1	1	0	0
T14	1	1	0	0
T15	1	1	0	0

TlOutKnownIfFifoKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	1125267354	1125166738	0	0
T1	840	782	0	0
T2	140154	140102	0	0
T3	505600	505546	0	0
T4	21586	18860	0	0
T5	23280	17955	0	0
T7	69609	69542	0	0
T12	964	877	0	0
T13	34212	34120	0	0
T14	35020	34957	0	0
T15	1323	1231	0	0

TlOutValidKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	1125267354	1125166738	0	0
T1	840	782	0	0
T2	140154	140102	0	0
T3	505600	505546	0	0
T4	21586	18860	0	0
T5	23280	17955	0	0
T7	69609	69542	0	0
T12	964	877	0	0
T13	34212	34120	0	0
T14	35020	34957	0	0
T15	1323	1231	0	0

WdataOutKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	1125267354	1125166738	0	0
T1	840	782	0	0
T2	140154	140102	0	0
T3	505600	505546	0	0
T4	21586	18860	0	0
T5	23280	17955	0	0
T7	69609	69542	0	0
T12	964	877	0	0
T13	34212	34120	0	0
T14	35020	34957	0	0
T15	1323	1231	0	0

WeOutKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	1125267354	1125166738	0	0
T1	840	782	0	0
T2	140154	140102	0	0
T3	505600	505546	0	0
T4	21586	18860	0	0
T5	23280	17955	0	0
T7	69609	69542	0	0
T12	964	877	0	0
T13	34212	34120	0	0
T14	35020	34957	0	0
T15	1323	1231	0	0

WmaskOutKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	1125267354	1125166738	0	0
T1	840	782	0	0
T2	140154	140102	0	0
T3	505600	505546	0	0
T4	21586	18860	0	0
T5	23280	17955	0	0
T7	69609	69542	0	0
T12	964	877	0	0
T13	34212	34120	0	0
T14	35020	34957	0	0
T15	1323	1231	0	0

adapterNoReadOrWrite

Name	Attempts	Real Successes	Failures	Incomplete
Total	900	900	0	0
T1	1	1	0	0
T2	1	1	0	0
T3	1	1	0	0
T4	1	1	0	0
T5	1	1	0	0
T7	1	1	0	0
T12	1	1	0	0
T13	1	1	0	0
T14	1	1	0	0
T15	1	1	0	0

rvalidHighReqFifoEmpty

Name	Attempts	Real Successes	Failures	Incomplete
Total	1125267354	92183249	0	0
T2	140154	5537	0	0
T3	505600	11972	0	0
T4	21586	0	0	0
T5	23280	0	0	0
T6	8426	0	0	0
T7	69609	1564	0	0
T8	0	105	0	0
T12	964	0	0	0
T13	34212	0	0	0
T14	35020	0	0	0
T15	1323	0	0	0
T25	0	696	0	0
T29	0	809	0	0
T30	0	1896	0	0
T31	0	9072	0	0
T32	0	1799	0	0
T33	0	1809	0	0

rvalidHighWhenRspFifoFull

Name	Attempts	Real Successes	Failures	Incomplete
Total	1125267354	92183249	0	0
T2	140154	5537	0	0
T3	505600	11972	0	0
T4	21586	0	0	0
T5	23280	0	0	0
T6	8426	0	0	0
T7	69609	1564	0	0
T8	0	105	0	0
T12	964	0	0	0
T13	34212	0	0	0
T14	35020	0	0	0
T15	1323	0	0	0
T25	0	696	0	0
T29	0	809	0	0
T30	0	1896	0	0
T31	0	9072	0	0
T32	0	1799	0	0
T33	0	1809	0	0

Line Coverage for Instance : tb.dut.u_tlul_adapter_sram

	Line No.	Total	Covered	Percent
TOTAL		77	76	98.70
CONT_ASSIGN	96	1	1	100.00
ALWAYS	99	4	3	75.00
CONT_ASSIGN	114	1	1	100.00
ALWAYS	129	4	4	100.00
CONT_ASSIGN	138	1	1	100.00
CONT_ASSIGN	144	1	1	100.00
CONT_ASSIGN	151	1	1	100.00
CONT_ASSIGN	176	1	1	100.00
CONT_ASSIGN	188	1	1	100.00
CONT_ASSIGN	272	1	1	100.00
CONT_ASSIGN	273	1	1	100.00
CONT_ASSIGN	274	1	1	100.00
ALWAYS	279	8	8	100.00
ALWAYS	299	6	6	100.00
CONT_ASSIGN	313	1	1	100.00
CONT_ASSIGN	317	1	1	100.00
CONT_ASSIGN	336	1	1	100.00
CONT_ASSIGN	341	1	1	100.00
CONT_ASSIGN	347	1	1	100.00
CONT_ASSIGN	359	1	1	100.00
ALWAYS	362	3	3	100.00
CONT_ASSIGN	369	1	1	100.00
CONT_ASSIGN	390	1	1	100.00
CONT_ASSIGN	391	1	1	100.00
CONT_ASSIGN	392	1	1	100.00
CONT_ASSIGN	393	1	1	100.00
ALWAYS	423	6	6	100.00
ALWAYS	435	5	5	100.00
CONT_ASSIGN	446	1	1	100.00
CONT_ASSIGN	447	1	1	100.00
CONT_ASSIGN	456	1	1	100.00
CONT_ASSIGN	457	1	1	100.00
CONT_ASSIGN	459	1	1	100.00
CONT_ASSIGN	460	1	1	100.00
CONT_ASSIGN	467	1	1	100.00
CONT_ASSIGN	470	1	1	100.00
CONT_ASSIGN	474	1	1	100.00
CONT_ASSIGN	475	1	1	100.00
CONT_ASSIGN	477	1	1	100.00
CONT_ASSIGN	479	1	1	100.00
CONT_ASSIGN	486	1	1	100.00
ALWAYS	492	4	4	100.00
CONT_ASSIGN	526	1	1	100.00
CONT_ASSIGN	531	1	1	100.00
CONT_ASSIGN	536	0	0
CONT_ASSIGN	620	1	1	100.00

95                        if (EnableReadback) begin : gen_cmd_readback_check
96         1/1              assign readback_error = sram_byte_readback_error;
           Tests:       T1 T2 T3 
97                          // permanently latch readback error until reset
98                          always_ff @(posedge clk_i or negedge rst_ni) begin
99         1/1                if (!rst_ni) begin
           Tests:       T1 T2 T3 
100        1/1                  readback_error_q <= '0;
           Tests:       T1 T2 T3 
101        1/1                end else if (readback_error) begin
           Tests:       T1 T2 T3 
102        0/1     ==>          readback_error_q <= 1'b1;
103                           end
                        MISSING_ELSE
104                         end
105                       end else begin : gen_no_readback_check
106                         logic unused_sram_byte_readback_error;
107                         assign unused_sram_byte_readback_error = sram_byte_readback_error;
108                         assign readback_error = '0;
109                         assign readback_error_q = '0;
110                       end
111                     
112                       // readback error output is permanent and should be used for alert generation
113                       // or other downstream effects
114        1/1            assign readback_error_o = readback_error | readback_error_q;
           Tests:       T1 T2 T3 
115                     
116                       // integrity check
117                       if (CmdIntgCheck) begin : gen_cmd_intg_check
118                         tlul_cmd_intg_chk u_cmd_intg_chk (
119                           .tl_i(tl_i),
120                           .err_o (intg_error)
121                         );
122                       end else begin : gen_no_cmd_intg_check
123                         assign intg_error = '0;
124                       end
125                     
126                       // permanently latch integrity error until reset
127                       logic intg_error_q;
128                       always_ff @(posedge clk_i or negedge rst_ni) begin
129        1/1              if (!rst_ni) begin
           Tests:       T1 T2 T3 
130        1/1                intg_error_q <= '0;
           Tests:       T1 T2 T3 
131        1/1              end else if (intg_error || rsp_fifo_error || sramreqfifo_error || reqfifo_error) begin
           Tests:       T1 T2 T3 
132        1/1                intg_error_q <= 1'b1;
           Tests:       T4 T5 T6 
133                         end
                        MISSING_ELSE
134                       end
135                     
136                       // integrity error output is permanent and should be used for alert generation
137                       // or other downstream effects
138        1/1            assign intg_error_o = intg_error | rsp_fifo_error | sramreqfifo_error |
           Tests:       T1 T2 T3 
139                           reqfifo_error | intg_error_q;
140                     
141                       // wr_attr_error: Check if the request size, mask are permitted.
142                       //    Basic check of size, mask, addr align is done in tlul_err module.
143                       //    Here it checks any partial write if ByteAccess isn't allowed.
144        1/1            assign wr_attr_error = (tl_i.a_opcode == PutFullData || tl_i.a_opcode == PutPartialData)
           Tests:       T1 T2 T3 
145                                              ? ((ByteAccess == 0) ?
146                                                (tl_i.a_mask != '1 || tl_i.a_size != 2'h2) : 1'b0)
147                                                : 1'b0;
148                     
149                       // An instruction type transaction is only valid if en_ifetch is enabled
150                       // If the instruction type is completely invalid, also considered an instruction error
151        1/1            assign instr_error = prim_mubi_pkg::mubi4_test_invalid(tl_i.a_user.instr_type) |
           Tests:       T1 T2 T3 
152                                            (prim_mubi_pkg::mubi4_test_true_strict(tl_i.a_user.instr_type) &
153                                             prim_mubi_pkg::mubi4_test_false_loose(en_ifetch_i));
154                     
155                       if (ErrOnWrite == 1) begin : gen_no_writes
156                         assign wr_vld_error = tl_i.a_opcode != Get;
157                       end else begin : gen_writes_allowed
158                         assign wr_vld_error = 1'b0;
159                       end
160                     
161                       if (ErrOnRead == 1) begin: gen_no_reads
162                         assign rd_vld_error = tl_i.a_opcode == Get;
163                       end else begin : gen_reads_allowed
164                         assign rd_vld_error = 1'b0;
165                       end
166                     
167                       // tlul protocol check
168                       tlul_err u_err (
169                         .clk_i,
170                         .rst_ni,
171                         .tl_i(tl_i),
172                         .err_o (tlul_error)
173                       );
174                     
175                       // error return is transactional and thus does not used the "latched" intg_err signal
176        1/1            assign error_det = wr_attr_error | wr_vld_error | rd_vld_error | instr_error |
           Tests:       T1 T2 T3 
177                                          tlul_error    | intg_error;
178                     
179                       // from sram_byte to adapter logic
180                       tl_h2d_t tl_i_int;
181                       // from adapter logic to sram_byte
182                       tl_d2h_t tl_o_int;
183                       // from sram_byte to rsp_gen
184                       tl_d2h_t tl_out;
185                     
186                       // not all parts of tl_i_int are used
187                       logic unused_tl_i_int;
188        1/1            assign unused_tl_i_int = ^tl_i_int;
           Tests:       T1 T2 T3 
189                     
190                       tlul_rsp_intg_gen #(
191                         .EnableRspIntgGen(EnableRspIntgGen),
192                         .EnableDataIntgGen(EnableDataIntgGen)
193                       ) u_rsp_gen (
194                         .tl_i(tl_out),
195                         .tl_o
196                       );
197                     
198                       // byte handling for integrity
199                       tlul_sram_byte #(
200                         .EnableIntg(ByteAccess & EnableDataIntgPt & !ErrOnWrite),
201                         .Outstanding(Outstanding),
202                         .EnableReadback(EnableReadback)
203                       ) u_sram_byte (
204                         .clk_i,
205                         .rst_ni,
206                         .tl_i,
207                         .tl_o(tl_out),
208                         .tl_sram_o(tl_i_int),
209                         .tl_sram_i(tl_o_int),
210                         .error_i(error_det),
211                         .error_o(error_internal),
212                         .alert_o(sram_byte_readback_error),
213                         .compound_txn_in_progress_o,
214                         .readback_en_i,
215                         .wr_collision_i,
216                         .write_pending_i
217                       );
218                     
219                       typedef struct packed {
220                         logic [top_pkg::TL_DBW-1:0] mask ; // Byte mask within the TL-UL word
221                         logic [WoffsetWidth-1:0]    woffset ; // Offset of the TL-UL word within the SRAM word
222                       } sram_req_t ;
223                     
224                       typedef struct packed {
225                         logic [SramBusBankAW-1:0] addr; // Address of the request going to the memory.
226                       } sram_req_addr_t ;
227                     
228                       typedef enum logic [1:0] {
229                         OpWrite,
230                         OpRead,
231                         OpUnknown
232                       } req_op_e ;
233                     
234                       typedef struct packed {
235                         req_op_e                    op ;
236                         logic                       error ;
237                         prim_mubi_pkg::mubi4_t      instr_type;
238                         logic [top_pkg::TL_SZW-1:0] size ;
239                         logic [top_pkg::TL_AIW-1:0] source ;
240                       } req_t ;
241                     
242                       typedef struct packed {
243                         logic [top_pkg::TL_DW-1:0] data ;
244                         logic [DataIntgWidth-1:0]  data_intg ;
245                         logic                      error ;
246                       } rsp_t ;
247                     
248                       localparam int SramReqFifoWidth = $bits(sram_req_t) ;
249                       localparam int ReqFifoWidth = $bits(req_t) ;
250                       localparam int RspFifoWidth = $bits(rsp_t) ;
251                     
252                       // FIFO signal in case OutStand is greater than 1
253                       // If request is latched, {write, source} is pushed to req fifo.
254                       // Req fifo is popped when D channel is acknowledged (v & r)
255                       // D channel valid is asserted if it is write request or rsp fifo not empty if read.
256                       logic reqfifo_wvalid, reqfifo_wready;
257                       logic reqfifo_rvalid, reqfifo_rready;
258                       req_t reqfifo_wdata,  reqfifo_rdata;
259                     
260                       logic sramreqfifo_wvalid, sramreqfifo_wready;
261                       logic sramreqfifo_rready;
262                       sram_req_t sramreqfifo_wdata, sramreqfifo_rdata;
263                     
264                       logic sramreqaddrfifo_wready;
265                       logic [SramBusBankAW-1:0] sramreqaddrfifo_wdata, sramreqaddrfifo_rdata;
266                     
267                       logic rspfifo_wvalid, rspfifo_wready;
268                       logic rspfifo_rvalid, rspfifo_rready;
269                       rsp_t rspfifo_wdata,  rspfifo_rdata;
270                     
271                       logic a_ack, d_ack, sram_ack;
272        1/1            assign a_ack    = tl_i_int.a_valid & tl_o_int.a_ready ;
           Tests:       T1 T2 T3 
273        1/1            assign d_ack    = tl_o_int.d_valid & tl_i_int.d_ready ;
           Tests:       T1 T2 T3 
274        1/1            assign sram_ack = req_o        & gnt_i ;
           Tests:       T1 T2 T3 
275                     
276                       // Valid handling
277                       logic d_valid, d_error;
278                       always_comb begin
279        1/1              d_valid = 1'b0;
           Tests:       T1 T2 T3 
280                     
281        1/1              if (reqfifo_rvalid) begin
           Tests:       T1 T2 T3 
282        1/1                if (reqfifo_rdata.error) begin
           Tests:       T2 T3 T7 
283                             // Return error response. Assume no request went out to SRAM
284        1/1                  d_valid = 1'b1;
           Tests:       T3 T11 T21 
285        1/1                end else if (reqfifo_rdata.op == OpRead) begin
           Tests:       T2 T3 T7 
286        1/1                  d_valid = rspfifo_rvalid;
           Tests:       T2 T3 T7 
287                           end else begin
288                             // Write without error
289        1/1                  d_valid = 1'b1;
           Tests:       T2 T3 T7 
290                           end
291                         end else begin
292        1/1                d_valid = 1'b0;
           Tests:       T1 T2 T3 
293                         end
294                       end
295                     
296                     
297                     
298                       always_comb begin
299        1/1              d_error = 1'b0;
           Tests:       T1 T2 T3 
300                     
301        1/1              if (reqfifo_rvalid) begin
           Tests:       T1 T2 T3 
302        1/1                if (reqfifo_rdata.op == OpRead) begin
           Tests:       T2 T3 T7 
303        1/1                  d_error = rspfifo_rdata.error | reqfifo_rdata.error;
           Tests:       T2 T3 T7 
304                           end else begin
305        1/1                  d_error = reqfifo_rdata.error;
           Tests:       T2 T3 T7 
306                           end
307                         end else begin
308        1/1                d_error = 1'b0;
           Tests:       T1 T2 T3 
309                         end
310                       end
311                     
312                       logic vld_rd_rsp;
313        1/1            assign vld_rd_rsp = d_valid & reqfifo_rvalid & rspfifo_rvalid & (reqfifo_rdata.op == OpRead);
           Tests:       T1 T2 T3 
314                       // If the response data is not valid, we set it to an illegal blanking value which is determined
315                       // by whether the current transaction is an instruction fetch or a regular read operation.
316                       logic [top_pkg::TL_DW-1:0] error_blanking_data;
317        1/1            assign error_blanking_data = (prim_mubi_pkg::mubi4_test_true_strict(reqfifo_rdata.instr_type)) ?
           Tests:       T1 T2 T3 
318                                                      DataWhenInstrError :
319                                                      DataWhenError;
320                     
321                       // Since DataWhenInstrError and DataWhenError can be arbitrary parameters
322                       // we statically calculate the correct integrity values for these parameters here so that
323                       // they do not have to be supplied externally.
324                       logic [top_pkg::TL_DW-1:0] unused_instr, unused_data;
325                       logic [DataIntgWidth-1:0] error_instr_integ, error_data_integ;
326                       tlul_data_integ_enc u_tlul_data_integ_enc_instr (
327                         .data_i(DataMaxWidth'(DataWhenInstrError)),
328                         .data_intg_o({error_instr_integ, unused_instr})
329                       );
330                       tlul_data_integ_enc u_tlul_data_integ_enc_data (
331                         .data_i(DataMaxWidth'(DataWhenError)),
332                         .data_intg_o({error_data_integ, unused_data})
333                       );
334                     
335                       logic [DataIntgWidth-1:0] error_blanking_integ;
336        1/1            assign error_blanking_integ = (prim_mubi_pkg::mubi4_test_true_strict(reqfifo_rdata.instr_type)) ?
           Tests:       T1 T2 T3 
337                                                      error_instr_integ :
338                                                      error_data_integ;
339                     
340                       logic [top_pkg::TL_DW-1:0] d_data;
341        1/1            assign d_data = (vld_rd_rsp & ~d_error) ? rspfifo_rdata.data   // valid read
           Tests:       T1 T2 T3 
342                                                               : error_blanking_data; // write or TL-UL error
343                     
344                       // If this a write response with data fields set to 0, we have to set all ECC bits correctly
345                       // since we are using an inverted Hsiao code.
346                       logic [DataIntgWidth-1:0] data_intg;
347        1/1            assign data_intg = (vld_rd_rsp && reqfifo_rdata.error) ? error_blanking_integ    : // TL-UL error
           Tests:       T1 T2 T3 
348                                          (vld_rd_rsp)                        ? rspfifo_rdata.data_intg : // valid read
349                                          prim_secded_pkg::SecdedInv3932ZeroEcc;                          // valid write
350                     
351                       // When an error is seen on an incoming transaction it gets an immediate response without
352                       // performing an SRAM request. It may be the transaction receives a ready the first cycle it is
353                       // seen, but if not we force a ready the following cycle. This avoids factoring the error
354                       // calculation into the outgoing ready preventing a feedthrough path from the incoming tilelink
355                       // signals to the outgoing tilelink signals.
356                       logic missed_err_gnt_d, missed_err_gnt_q;
357                     
358                       // Track whether we've seen an incoming transaction with an error that didn't get a ready
359        1/1            assign missed_err_gnt_d = error_internal & tl_i_int.a_valid & ~tl_o_int.a_ready;
           Tests:       T1 T2 T3 
360                     
361                       always_ff @(posedge clk_i or negedge rst_ni) begin
362        1/1              if (!rst_ni) begin
           Tests:       T1 T2 T3 
363        1/1                missed_err_gnt_q <= 1'b0;
           Tests:       T1 T2 T3 
364                         end else begin
365        1/1                missed_err_gnt_q <= missed_err_gnt_d;
           Tests:       T1 T2 T3 
366                         end
367                       end
368                     
369        1/1            assign tl_o_int = '{
           Tests:       T1 T2 T3 
370                           d_valid  : d_valid ,
371                           d_opcode : (d_valid && reqfifo_rdata.op != OpRead) ? AccessAck : AccessAckData,
372                           d_param  : '0,
373                           d_size   : (d_valid) ? reqfifo_rdata.size : '0,
374                           d_source : (d_valid) ? reqfifo_rdata.source : '0,
375                           d_sink   : 1'b0,
376                           d_data   : d_data,
377                           d_user   : '{default: '0, data_intg: data_intg},
378                           d_error  : d_valid && d_error,
379                           a_ready  : (gnt_i | missed_err_gnt_q) & reqfifo_wready & sramreqfifo_wready &
380                                       sramreqaddrfifo_wready
381                       };
382                     
383                       // a_ready depends on the FIFO full condition and grant from SRAM (or SRAM arbiter)
384                       // assemble response, including read response, write response, and error for unsupported stuff
385                     
386                       // Output to SRAM:
387                       //    Generate request only when no internal error occurs. If error occurs, the request should be
388                       //    dropped and returned error response to the host. So, error to be pushed to reqfifo.
389                       //    In this case, it is assumed the request is granted (may cause ordering issue later?)
390        1/1            assign req_o      = tl_i_int.a_valid & reqfifo_wready & ~error_internal;
           Tests:       T1 T2 T3 
391        1/1            assign req_type_o = tl_i_int.a_user.instr_type;
           Tests:       T1 T2 T3 
392        1/1            assign we_o       = tl_i_int.a_valid & (tl_i_int.a_opcode inside {PutFullData, PutPartialData});
           Tests:       T1 T2 T3 
393        1/1            assign addr_o     = (tl_i_int.a_valid) ? tl_i_int.a_address[DataBitWidth+:SramAw] : '0;
           Tests:       T1 T2 T3 
394                     
395                       // Support SRAMs wider than the TL-UL word width by mapping the parts of the
396                       // TL-UL address which are more fine-granular than the SRAM width to the
397                       // SRAM write mask.
398                       logic [WoffsetWidth-1:0] woffset;
399                       if (top_pkg::TL_DW != SramDw) begin : gen_wordwidthadapt
400                         assign woffset = tl_i_int.a_address[DataBitWidth-1:prim_util_pkg::vbits(top_pkg::TL_DBW)];
401                       end else begin : gen_no_wordwidthadapt
402                         assign woffset = '0;
403                       end
404                     
405                       // The size of the data/wmask depends on whether passthrough integrity is enabled.
406                       // If passthrough integrity is enabled, the data is concatenated with the integrity passed through
407                       // the user bits.  Otherwise, it is the data only.
408                       localparam int DataWidth = EnableDataIntgPt ? top_pkg::TL_DW + DataIntgWidth : top_pkg::TL_DW;
409                     
410                       // Final combined wmask / wdata
411                       logic [WidthMult-1:0][DataWidth-1:0] wmask_combined;
412                       logic [WidthMult-1:0][DataWidth-1:0] wdata_combined;
413                     
414                       // Original tlul portion
415                       logic [WidthMult-1:0][top_pkg::TL_DW-1:0] wmask_int;
416                       logic [WidthMult-1:0][top_pkg::TL_DW-1:0] wdata_int;
417                     
418                       // Integrity portion
419                       logic [WidthMult-1:0][DataIntgWidth-1:0] wmask_intg;
420                       logic [WidthMult-1:0][DataIntgWidth-1:0] wdata_intg;
421                     
422                       always_comb begin
423        1/1              wmask_int = '0;
           Tests:       T1 T2 T3 
424        1/1              wdata_int = '0;
           Tests:       T1 T2 T3 
425                     
426        1/1              if (tl_i_int.a_valid) begin
           Tests:       T1 T2 T3 
427        1/1                for (int i = 0 ; i < top_pkg::TL_DW/8 ; i++) begin
           Tests:       T2 T3 T7 
428        1/1                  wmask_int[woffset][8*i +: 8] = {8{tl_i_int.a_mask[i]}};
           Tests:       T2 T3 T7 
429        1/1                  wdata_int[woffset][8*i +: 8] = (tl_i_int.a_mask[i] && we_o) ? tl_i_int.a_data[8*i+:8] : '0;
           Tests:       T2 T3 T7 
430                           end
431                         end
                        MISSING_ELSE
432                       end
433                     
434                       always_comb begin
435        1/1              wmask_intg  = '0;
           Tests:       T1 T2 T3 
436        1/1              wdata_intg  = '0;
           Tests:       T1 T2 T3 
437                     
438        1/1              if (tl_i_int.a_valid) begin
           Tests:       T1 T2 T3 
439        1/1                wmask_intg[woffset] = {DataIntgWidth{1'b1}};
           Tests:       T2 T3 T7 
440        1/1                wdata_intg[woffset] = tl_i_int.a_user.data_intg;
           Tests:       T2 T3 T7 
441                         end
                        MISSING_ELSE
442                       end
443                     
444                       for (genvar i = 0; i < WidthMult; i++) begin : gen_write_output
445                         if (EnableDataIntgPt) begin : gen_combined_output
446        1/1                assign wmask_combined[i] = {wmask_intg[i], wmask_int[i]};
           Tests:       T1 T2 T3 
447        1/1                assign wdata_combined[i] = {wdata_intg[i], wdata_int[i]};
           Tests:       T1 T2 T3 
448                         end else begin : gen_ft_output
449                           logic unused_w;
450                           assign wmask_combined[i] = wmask_int[i];
451                           assign wdata_combined[i] = wdata_int[i];
452                           assign unused_w = |wmask_intg & |wdata_intg;
453                         end
454                       end
455                     
456        1/1            assign wmask_o = wmask_combined;
           Tests:       T1 T2 T3 
457        1/1            assign wdata_o = wdata_combined;
           Tests:       T1 T2 T3 
458                     
459        1/1            assign reqfifo_wvalid = a_ack ; // Push to FIFO only when granted
           Tests:       T1 T2 T3 
460        1/1            assign reqfifo_wdata  = '{
           Tests:       T1 T2 T3 
461                         op:     (tl_i_int.a_opcode != Get) ? OpWrite : OpRead, // To return AccessAck for opcode error
462                         error:  error_internal,
463                         instr_type: tl_i_int.a_user.instr_type,
464                         size:   tl_i_int.a_size,
465                         source: tl_i_int.a_source
466                       }; // Store the request only. Doesn't have to store data
467        1/1            assign reqfifo_rready = d_ack ;
           Tests:       T1 T2 T3 
468                     
469                       // push together with ReqFIFO, pop upon returning read
470        1/1            assign sramreqfifo_wdata = '{
           Tests:       T1 T2 T3 
471                         mask    : tl_i_int.a_mask,
472                         woffset : woffset
473                       };
474        1/1            assign sramreqfifo_wvalid = sram_ack & ~we_o;
           Tests:       T1 T2 T3 
475        1/1            assign sramreqfifo_rready = rspfifo_wvalid;
           Tests:       T1 T2 T3 
476                     
477        1/1            assign rspfifo_wvalid = rvalid_i & reqfifo_rvalid;
           Tests:       T1 T2 T3 
478                     
479        1/1            assign sramreqaddrfifo_wdata = tl_i_int.a_address[DataBitWidth+:SramBusBankAW];
           Tests:       T1 T2 T3 
480                     
481                       // Make sure only requested bytes are forwarded
482                       logic [WidthMult-1:0][DataWidth-1:0] rdata_reshaped;
483                       logic [DataWidth-1:0] rdata_tlword;
484                     
485                       // This just changes the array format so that the correct word can be selected by indexing.
486        1/1            assign rdata_reshaped = rdata_i;
           Tests:       T1 T2 T3 
487                     
488                       if (EnableDataIntgPt) begin : gen_no_rmask
489                         always_comb begin
490                           // If the read mask is set to zero, all read data is zeroed out by the mask.
491                           // We have to set the ECC bits accordingly since we are using an inverted Hsiao code.
492        1/1                rdata_tlword = prim_secded_pkg::SecdedInv3932ZeroWord;
           Tests:       T1 T2 T3 
493                           // Otherwise, if at least one mask bit is nonzero, we are passing through the integrity.
494                           // In that case we need to feed back the entire word since otherwise the integrity
495                           // will not calculate correctly.
496        1/1                if (|sramreqfifo_rdata.mask) begin
           Tests:       T1 T2 T3 
497                             // Select correct word.
498        1/1                  if (DataXorAddr) begin : gen_data_xor_addr
           Tests:       T2 T3 T7 
499                               // When DataXorAddr is enabled, on a read, the address is XORed with the data fetched from
500                               // the memory in the underlying memory controller (e.g., flash controller). At this point,
501                               // the address is again removed. If the address in the read transaction has been modified,
502                               // e.g., due to a fault, rdata now contains faulty data, which is detected by the
503                               // integrity mechanism.
504        unreachable            rdata_tlword = {
505                                   rdata_reshaped[sramreqfifo_rdata.woffset][DataWidth-1:top_pkg::TL_DW],
506                                   rdata_reshaped[sramreqfifo_rdata.woffset][top_pkg::TL_DW-1:0] ^
507                                       {{(top_pkg::TL_DW-SramBusBankAW){1'b0}}, sramreqaddrfifo_rdata}
508                               };
509                             end else begin: gen_no_data_xor_addr
510        1/1                    rdata_tlword = rdata_reshaped[sramreqfifo_rdata.woffset];
           Tests:       T2 T3 T7 
511                             end
512                           end
                        MISSING_ELSE
513                         end
514                       end else begin : gen_rmask
515                         logic [DataWidth-1:0] rmask;
516                         always_comb begin
517                           rmask = '0;
518                           for (int i = 0 ; i < top_pkg::TL_DW/8 ; i++) begin
519                             rmask[8*i +: 8] = {8{sramreqfifo_rdata.mask[i]}};
520                           end
521                         end
522                         // Select correct word and mask it.
523                         assign rdata_tlword = rdata_reshaped[sramreqfifo_rdata.woffset] & rmask;
524                       end
525                     
526        1/1            assign rspfifo_wdata  = '{
           Tests:       T1 T2 T3 
527                         data      : rdata_tlword[top_pkg::TL_DW-1:0],
528                         data_intg : EnableDataIntgPt ? rdata_tlword[DataWidth-1 -: DataIntgWidth] : '0,
529                         error     : rerror_i[1] // Only care for Uncorrectable error
530                       };
531        1/1            assign rspfifo_rready = (reqfifo_rdata.op == OpRead & ~reqfifo_rdata.error)
           Tests:       T1 T2 T3 
532                                             ? reqfifo_rready : 1'b0 ;
533                     
534                       // This module only cares about uncorrectable errors.
535                       logic unused_rerror;
536        unreachable    assign unused_rerror = rerror_i[0];
537                     
538                       // FIFO instance: REQ, RSP
539                     
540                       // ReqFIFO is to store the Access type to match to the Response data.
541                       //    For instance, SRAM accepts the write request but doesn't return the
542                       //    acknowledge. In this case, it may be hard to determine when the D
543                       //    response for the write data should send out if reads/writes are
544                       //    interleaved. So, to make it in-order (even TL-UL allows out-of-order
545                       //    responses), storing the request is necessary. And if the read entry
546                       //    is write op, it is safe to return the response right away. If it is
547                       //    read reqeust, then D response is waiting until read data arrives.
548                       prim_fifo_sync #(
549                         .Width   (ReqFifoWidth),
550                         .Pass    (1'b0),
551                         .Depth   (Outstanding),
552                         .Secure  (SecFifoPtr)
553                       ) u_reqfifo (
554                         .clk_i,
555                         .rst_ni,
556                         .clr_i   (1'b0),
557                         .wvalid_i(reqfifo_wvalid),
558                         .wready_o(reqfifo_wready),
559                         .wdata_i (reqfifo_wdata),
560                         .rvalid_o(reqfifo_rvalid),
561                         .rready_i(reqfifo_rready),
562                         .rdata_o (reqfifo_rdata),
563                         .full_o  (),
564                         .depth_o (),
565                         .err_o   (reqfifo_error)
566                       );
567                     
568                       // sramreqfifo:
569                       //    While the ReqFIFO holds the request until it is sent back via TL-UL, the
570                       //    sramreqfifo only needs to hold the mask and word offset until the read
571                       //    data returns from memory.
572                       prim_fifo_sync #(
573                         .Width   (SramReqFifoWidth),
574                         .Pass    (1'b0),
575                         .Depth   (Outstanding),
576                         .Secure  (SecFifoPtr)
577                       ) u_sramreqfifo (
578                         .clk_i,
579                         .rst_ni,
580                         .clr_i   (1'b0),
581                         .wvalid_i(sramreqfifo_wvalid),
582                         .wready_o(sramreqfifo_wready),
583                         .wdata_i (sramreqfifo_wdata),
584                         .rvalid_o(),
585                         .rready_i(sramreqfifo_rready),
586                         .rdata_o (sramreqfifo_rdata),
587                         .full_o  (),
588                         .depth_o (),
589                         .err_o   (sramreqfifo_error)
590                       );
591                     
592                       // sramreqaddrfifo:
593                       //    This fifo holds the address used for undoing the address XOR data infection.
594                       if (DataXorAddr) begin : gen_data_xor_addr_fifo
595                         prim_fifo_sync #(
596                           .Width              (SramBusBankAW),
597                           .Pass               (1'b0),
598                           .Depth              (Outstanding),
599                           .OutputZeroIfEmpty  (1)
600                         ) u_sramreqaddrfifo (
601                           .clk_i,
602                           .rst_ni,
603                           .clr_i   (1'b0),
604                           .wvalid_i(sramreqfifo_wvalid),
605                           .wready_o(sramreqaddrfifo_wready),
606                           .wdata_i (sramreqaddrfifo_wdata),
607                           .rvalid_o(),
608                           .rready_i(sramreqfifo_rready),
609                           .rdata_o (sramreqaddrfifo_rdata),
610                           .full_o  (),
611                           .depth_o (),
612                           .err_o   ()
613                         );
614                       end else begin : gen_no_data_xor_addr_fifo
615                         assign sramreqaddrfifo_wready = 1'b1;
616                         assign sramreqaddrfifo_rdata = '0;
617                     
618                         // Tie-off unused signals
619                         logic unused_sramreqaddrfifo;
620        1/1              assign unused_sramreqaddrfifo = ^{sramreqaddrfifo_wdata, sramreqaddrfifo_rdata};
           Tests:       T1 T2 T3 

---

Cond Coverage for Instance : tb.dut.u_tlul_adapter_sram

	Total	Covered	Percent
Conditions	114	102	89.47
Logical	114	102	89.47
Non-Logical	0	0
Event	0	0

 LINE       114
 EXPRESSION (readback_error | readback_error_q)
             -------1------   --------2-------

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

 LINE       131
 EXPRESSION (intg_error || rsp_fifo_error || sramreqfifo_error || reqfifo_error)
             -----1----    -------2------    --------3--------    ------4------

-1-	-2-	-3-	-4-	Status	Tests
0	0	0	0	Covered	T1,T2,T3
0	0	0	1	Not Covered
0	0	1	0	Not Covered
0	1	0	0	Covered	T4,T5,T6
1	0	0	0	Not Covered

 LINE       138
 EXPRESSION (intg_error | rsp_fifo_error | sramreqfifo_error | reqfifo_error | intg_error_q)
             -----1----   -------2------   --------3--------   ------4------   ------5-----

-1-	-2-	-3-	-4-	-5-	Status	Tests
0	0	0	0	0	Covered	T1,T2,T3
0	0	0	0	1	Covered	T4,T5,T6
0	0	0	1	0	Not Covered
0	0	1	0	0	Not Covered
0	1	0	0	0	Covered	T4,T5,T6
1	0	0	0	0	Not Covered

 LINE       144
 EXPRESSION 
 Number  Term
      1  ((tl_i.a_opcode == PutFullData) || (tl_i.a_opcode == PutPartialData)) ? (((ByteAccess == 1'b0) ? ((tl_i.a_mask != '1) || (tl_i.a_size != 2'h2)) : 1'b0)) : 1'b0)

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

 LINE       144
 SUB-EXPRESSION ((tl_i.a_opcode == PutFullData) || (tl_i.a_opcode == PutPartialData))
                 ---------------1--------------    ----------------2----------------

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

 LINE       144
 SUB-EXPRESSION (tl_i.a_opcode == PutFullData)
                ---------------1--------------

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

 LINE       144
 SUB-EXPRESSION (tl_i.a_opcode == PutPartialData)
                ----------------1----------------

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

 LINE       176
 EXPRESSION (wr_attr_error | wr_vld_error | rd_vld_error | instr_error | tlul_error | intg_error)
             ------1------   ------2-----   ------3-----   -----4-----   -----5----   -----6----

-1-	-2-	-3-	-4-	-5-	-6-	Status	Tests	Exclude Annotation
0	0	0	0	0	0	Covered	T2,T3,T7
0	0	0	0	0	1	Not Covered
0	0	0	0	1	0	Covered	T3,T4,T11
0	0	0	1	0	0	Covered	T3,T23,T24
0	0	1	0	0	0	Unreachable
0	1	0	0	0	0	Unreachable
1	0	0	0	0	0	Excluded		VC_COV_UNR

 LINE       272
 EXPRESSION (tl_i_int.a_valid & tl_o_int.a_ready)
             --------1-------   --------2-------

-1-	-2-	Status	Tests
0	1	Covered	T1,T2,T3
1	0	Covered	T3,T11,T21
1	1	Covered	T2,T3,T7

 LINE       273
 EXPRESSION (tl_o_int.d_valid & tl_i_int.d_ready)
             --------1-------   --------2-------

-1-	-2-	Status	Tests
0	1	Covered	T1,T2,T3
1	0	Covered	T2,T3,T11
1	1	Covered	T2,T3,T7

 LINE       274
 EXPRESSION (req_o & gnt_i)
             --1--   --2--

-1-	-2-	Status	Tests	Exclude Annotation
0	1	Excluded	T1,T2,T3	VC_COV_UNR
1	0	Covered	T35,T36,T37
1	1	Covered	T2,T3,T7

 LINE       285
 EXPRESSION (reqfifo_rdata.op == OpRead)
            --------------1-------------

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

 LINE       302
 EXPRESSION (reqfifo_rdata.op == OpRead)
            --------------1-------------

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

 LINE       303
 EXPRESSION (rspfifo_rdata.error | reqfifo_rdata.error)
             ---------1---------   ---------2---------

-1-	-2-	Status	Tests
0	0	Covered	T2,T3,T7
0	1	Covered	T3,T11,T21
1	0	Not Covered

 LINE       313
 EXPRESSION (d_valid & reqfifo_rvalid & rspfifo_rvalid & (reqfifo_rdata.op == OpRead))
             ---1---   -------2------   -------3------   --------------4-------------

-1-	-2-	-3-	-4-	Status	Tests	Exclude Annotation
0	1	1	1	Excluded		VC_COV_UNR
1	0	1	1	Excluded		VC_COV_UNR
1	1	0	1	Covered	T3,T11,T21
1	1	1	0	Covered	T3,T31,T33
1	1	1	1	Covered	T2,T3,T7

 LINE       313
 SUB-EXPRESSION (reqfifo_rdata.op == OpRead)
                --------------1-------------

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

 LINE       341
 EXPRESSION ((vld_rd_rsp & ((~d_error))) ? rspfifo_rdata.data : error_blanking_data)
             -------------1-------------

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

 LINE       341
 SUB-EXPRESSION (vld_rd_rsp & ((~d_error)))
                 -----1----   ------2-----

-1-	-2-	Status	Tests
0	1	Covered	T1,T2,T3
1	0	Covered	T3,T23,T38
1	1	Covered	T2,T3,T7

 LINE       347
 EXPRESSION ((vld_rd_rsp && reqfifo_rdata.error) ? error_blanking_integ : (vld_rd_rsp ? rspfifo_rdata.data_intg : prim_secded_pkg::SecdedInv3932ZeroEcc))
             -----------------1-----------------

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T3,T23,T38

 LINE       347
 SUB-EXPRESSION (vld_rd_rsp && reqfifo_rdata.error)
                 -----1----    ---------2---------

-1-	-2-	Status	Tests
0	1	Covered	T3,T11,T21
1	0	Covered	T2,T3,T7
1	1	Covered	T3,T23,T38

 LINE       347
 SUB-EXPRESSION (vld_rd_rsp ? rspfifo_rdata.data_intg : prim_secded_pkg::SecdedInv3932ZeroEcc)
                 -----1----

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

 LINE       359
 EXPRESSION (error_internal & tl_i_int.a_valid & ((~tl_o_int.a_ready)))
             -------1------   --------2-------   ----------3----------

-1-	-2-	-3-	Status	Tests
0	1	1	Covered	T3,T31,T33
1	0	1	Covered	T1,T2,T3
1	1	0	Covered	T3,T11,T21
1	1	1	Covered	T3,T11,T21

 LINE       369
 EXPRESSION ((d_valid && (reqfifo_rdata.op != OpRead)) ? AccessAck : AccessAckData)
             --------------------1--------------------

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

 LINE       369
 SUB-EXPRESSION (d_valid && (reqfifo_rdata.op != OpRead))
                 ---1---    --------------2-------------

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

 LINE       369
 SUB-EXPRESSION (reqfifo_rdata.op != OpRead)
                --------------1-------------

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

 LINE       369
 EXPRESSION (d_valid ? reqfifo_rdata.size : '0)
             ---1---

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

 LINE       369
 EXPRESSION (d_valid ? reqfifo_rdata.source : '0)
             ---1---

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

 LINE       369
 EXPRESSION (d_valid && d_error)
             ---1---    ---2---

-1-	-2-	Status	Tests
0	1	Not Covered
1	0	Covered	T2,T3,T7
1	1	Covered	T3,T11,T21

 LINE       369
 EXPRESSION ((gnt_i | missed_err_gnt_q) & reqfifo_wready & sramreqfifo_wready & sramreqaddrfifo_wready)
             -------------1------------   -------2------   ---------3--------   -----------4----------

-1-	-2-	-3-	-4-	Status	Tests
0	1	1	1	Covered	T2,T3,T13
1	0	1	1	Covered	T3,T21,T22
1	1	0	1	Not Covered
1	1	1	0	Unreachable
1	1	1	1	Covered	T1,T2,T3

 LINE       369
 SUB-EXPRESSION (gnt_i | missed_err_gnt_q)
                 --1--   --------2-------

-1-	-2-	Status	Tests
0	0	Covered	T2,T3,T13
0	1	Covered	T11,T21,T22
1	0	Covered	T1,T2,T3

 LINE       390
 EXPRESSION (tl_i_int.a_valid & reqfifo_wready & ((~error_internal)))
             --------1-------   -------2------   ---------3---------

-1-	-2-	-3-	Status	Tests
0	1	1	Covered	T2,T3,T29
1	0	1	Covered	T3,T31,T33
1	1	0	Covered	T3,T11,T21
1	1	1	Covered	T2,T3,T7

 LINE       392
 EXPRESSION (tl_i_int.a_valid & (tl_i_int.a_opcode inside {PutFullData, PutPartialData}))
             --------1-------   ----------------------------2---------------------------

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

 LINE       393
 EXPRESSION (tl_i_int.a_valid ? tl_i_int.a_address[DataBitWidth+:SramAw] : '0)
             --------1-------

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

 LINE       429
 EXPRESSION ((tl_i_int.a_mask[i] && we_o) ? tl_i_int.a_data[(8 * i)+:8] : '0)
             --------------1-------------

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

 LINE       429
 SUB-EXPRESSION (tl_i_int.a_mask[i] && we_o)
                 ---------1--------    --2-

-1-	-2-	Status	Tests
0	1	Covered	T3,T11,T21
1	0	Covered	T2,T3,T7
1	1	Covered	T2,T3,T7

 LINE       460
 EXPRESSION ((tl_i_int.a_opcode != Get) ? OpWrite : OpRead)
             -------------1------------

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

 LINE       460
 SUB-EXPRESSION (tl_i_int.a_opcode != Get)
                -------------1------------

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

 LINE       474
 EXPRESSION (sram_ack & ((~we_o)))
             ----1---   ----2----

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

 LINE       477
 EXPRESSION (rvalid_i & reqfifo_rvalid)
             ----1---   -------2------

-1-	-2-	Status	Tests	Exclude Annotation
0	1	Covered	T2,T3,T7
1	0	Excluded		VC_COV_UNR
1	1	Covered	T2,T3,T7

 LINE       531
 EXPRESSION (((reqfifo_rdata.op == OpRead) & ((~reqfifo_rdata.error))) ? reqfifo_rready : 1'b0)
             ----------------------------1----------------------------

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

 LINE       531
 SUB-EXPRESSION ((reqfifo_rdata.op == OpRead) & ((~reqfifo_rdata.error)))
                 --------------1-------------   ------------2-----------

-1-	-2-	Status	Tests
0	1	Covered	T1,T2,T3
1	0	Covered	T3,T11,T21
1	1	Covered	T2,T3,T7

 LINE       531
 SUB-EXPRESSION (reqfifo_rdata.op == OpRead)
                --------------1-------------

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

---

Branch Coverage for Instance : tb.dut.u_tlul_adapter_sram

	Line No.	Total	Covered	Percent
Branches		32	31	96.88
TERNARY	144	2	2	100.00
TERNARY	341	2	2	100.00
TERNARY	347	3	3	100.00
TERNARY	393	2	2	100.00
TERNARY	531	2	2	100.00
IF	129	3	3	100.00
IF	281	4	4	100.00
IF	301	3	3	100.00
IF	362	2	2	100.00
IF	426	2	2	100.00
IF	438	2	2	100.00
IF	99	3	2	66.67
IF	496	2	2	100.00

144          assign wr_attr_error = (tl_i.a_opcode == PutFullData || tl_i.a_opcode == PutPartialData)
145                                 ? ((ByteAccess == 0) ?
146                                   (tl_i.a_mask != '1 || tl_i.a_size != 2'h2) : 1'b0)
147                                   : 1'b0;

ID         LINE       
-1-        144        ((tl_i.a_opcode == PutFullData) || (tl_i.a_opcode == PutPartialData))

Branches:

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

341          assign d_data = (vld_rd_rsp & ~d_error) ? rspfifo_rdata.data   // valid read
                                                     -1-  
                                                     ==>  
                                                     ==>  

Branches:

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

347          assign data_intg = (vld_rd_rsp && reqfifo_rdata.error) ? error_blanking_integ    : // TL-UL error
                                                                    -1-  
                                                                    ==>  
348                             (vld_rd_rsp)                        ? rspfifo_rdata.data_intg : // valid read
                                                                    -2-  
                                                                    ==>  
                                                                    ==>  

Branches:

-1-	-2-	Status	Tests
1	-	Covered	T3,T23,T38
0	1	Covered	T2,T3,T7
0	0	Covered	T1,T2,T3

393          assign addr_o     = (tl_i_int.a_valid) ? tl_i_int.a_address[DataBitWidth+:SramAw] : '0;
                                                    -1-  
                                                    ==>  
                                                    ==>  

Branches:

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

531          assign rspfifo_rready = (reqfifo_rdata.op == OpRead & ~reqfifo_rdata.error)
                                                                                        
532                                ? reqfifo_rready : 1'b0 ;
                                   -1-  
                                   ==>  
                                   ==>  

Branches:

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

129            if (!rst_ni) begin
               -1-  
130              intg_error_q <= '0;
                 ==>
131            end else if (intg_error || rsp_fifo_error || sramreqfifo_error || reqfifo_error) begin
                        -2-                                                             
132              intg_error_q <= 1'b1;
                 ==>
133            end
               MISSING_ELSE
               ==>

Branches:

-1-	-2-	Status	Tests
1	-	Covered	T1,T2,T3
0	1	Covered	T4,T5,T6
0	0	Covered	T1,T2,T3

281            if (reqfifo_rvalid) begin
               -1-        
282              if (reqfifo_rdata.error) begin
                 -2-        
283                // Return error response. Assume no request went out to SRAM
284                d_valid = 1'b1;
                   ==>
285              end else if (reqfifo_rdata.op == OpRead) begin
                          -3-        
286                d_valid = rspfifo_rvalid;
                   ==>
287              end else begin
288                // Write without error
289                d_valid = 1'b1;
                   ==>
290              end
291            end else begin
292              d_valid = 1'b0;
                 ==>

Branches:

-1-	-2-	-3-	Status	Tests
1	1	-	Covered	T3,T11,T21
1	0	1	Covered	T2,T3,T7
1	0	0	Covered	T2,T3,T7
0	-	-	Covered	T1,T2,T3

301            if (reqfifo_rvalid) begin
               -1-        
302              if (reqfifo_rdata.op == OpRead) begin
                 -2-        
303                d_error = rspfifo_rdata.error | reqfifo_rdata.error;
                   ==>
304              end else begin
305                d_error = reqfifo_rdata.error;
                   ==>
306              end
307            end else begin
308              d_error = 1'b0;
                 ==>

Branches:

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

362            if (!rst_ni) begin
               -1-  
363              missed_err_gnt_q <= 1'b0;
                 ==>
364            end else begin
365              missed_err_gnt_q <= missed_err_gnt_d;
                 ==>

Branches:

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

426            if (tl_i_int.a_valid) begin
               -1-  
427              for (int i = 0 ; i < top_pkg::TL_DW/8 ; i++) begin
                 ==>
428                wmask_int[woffset][8*i +: 8] = {8{tl_i_int.a_mask[i]}};
429                wdata_int[woffset][8*i +: 8] = (tl_i_int.a_mask[i] && we_o) ? tl_i_int.a_data[8*i+:8] : '0;
430              end
431            end
               MISSING_ELSE
               ==>

Branches:

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

438            if (tl_i_int.a_valid) begin
               -1-  
439              wmask_intg[woffset] = {DataIntgWidth{1'b1}};
                 ==>
440              wdata_intg[woffset] = tl_i_int.a_user.data_intg;
441            end
               MISSING_ELSE
               ==>

Branches:

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

99               if (!rst_ni) begin
                 -1-  
100                readback_error_q <= '0;
                   ==>
101              end else if (readback_error) begin
                          -2-  
102                readback_error_q <= 1'b1;
                   ==>
103              end
                 MISSING_ELSE
                 ==>

Branches:

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

496              if (|sramreqfifo_rdata.mask) begin
                 -1-             
497                // Select correct word.
498                if (DataXorAddr) begin : gen_data_xor_addr
                   -2-  
499                  // When DataXorAddr is enabled, on a read, the address is XORed with the data fetched from
500                  // the memory in the underlying memory controller (e.g., flash controller). At this point,
501                  // the address is again removed. If the address in the read transaction has been modified,
502                  // e.g., due to a fault, rdata now contains faulty data, which is detected by the
503                  // integrity mechanism.
504                  rdata_tlword = {
                     ==> (Unreachable)
505                      rdata_reshaped[sramreqfifo_rdata.woffset][DataWidth-1:top_pkg::TL_DW],
506                      rdata_reshaped[sramreqfifo_rdata.woffset][top_pkg::TL_DW-1:0] ^
507                          {{(top_pkg::TL_DW-SramBusBankAW){1'b0}}, sramreqaddrfifo_rdata}
508                  };
509                end else begin: gen_no_data_xor_addr
510                  rdata_tlword = rdata_reshaped[sramreqfifo_rdata.woffset];
                     ==>
511                end
512              end
                 MISSING_ELSE
                 ==>

Branches:

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

---

Assert Coverage for Instance : tb.dut.u_tlul_adapter_sram

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	13	13	100.00	13	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	13	13	100.00	13	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
AddrOutKnown_A	1125267354	1125166738	0	0
DataIntgOptions_A	900	900	0	0
ReqOutKnown_A	1125267354	1125166738	0	0
SramDwHasByteGranularity_A	900	900	0	0
SramDwIsMultipleOfTlulWidth_A	900	900	0	0
TlOutKnownIfFifoKnown_A	1125267354	1125166738	0	0
TlOutValidKnown_A	1125267354	1125166738	0	0
WdataOutKnown_A	1125267354	1125166738	0	0
WeOutKnown_A	1125267354	1125166738	0	0
WmaskOutKnown_A	1125267354	1125166738	0	0
adapterNoReadOrWrite	900	900	0	0
rvalidHighReqFifoEmpty	1125267354	92183249	0	0
rvalidHighWhenRspFifoFull	1125267354	92183249	0	0

AddrOutKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	1125267354	1125166738	0	0
T1	840	782	0	0
T2	140154	140102	0	0
T3	505600	505546	0	0
T4	21586	18860	0	0
T5	23280	17955	0	0
T7	69609	69542	0	0
T12	964	877	0	0
T13	34212	34120	0	0
T14	35020	34957	0	0
T15	1323	1231	0	0

DataIntgOptions_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	900	900	0	0
T1	1	1	0	0
T2	1	1	0	0
T3	1	1	0	0
T4	1	1	0	0
T5	1	1	0	0
T7	1	1	0	0
T12	1	1	0	0
T13	1	1	0	0
T14	1	1	0	0
T15	1	1	0	0

ReqOutKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	1125267354	1125166738	0	0
T1	840	782	0	0
T2	140154	140102	0	0
T3	505600	505546	0	0
T4	21586	18860	0	0
T5	23280	17955	0	0
T7	69609	69542	0	0
T12	964	877	0	0
T13	34212	34120	0	0
T14	35020	34957	0	0
T15	1323	1231	0	0

SramDwHasByteGranularity_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	900	900	0	0
T1	1	1	0	0
T2	1	1	0	0
T3	1	1	0	0
T4	1	1	0	0
T5	1	1	0	0
T7	1	1	0	0
T12	1	1	0	0
T13	1	1	0	0
T14	1	1	0	0
T15	1	1	0	0

SramDwIsMultipleOfTlulWidth_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	900	900	0	0
T1	1	1	0	0
T2	1	1	0	0
T3	1	1	0	0
T4	1	1	0	0
T5	1	1	0	0
T7	1	1	0	0
T12	1	1	0	0
T13	1	1	0	0
T14	1	1	0	0
T15	1	1	0	0

TlOutKnownIfFifoKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	1125267354	1125166738	0	0
T1	840	782	0	0
T2	140154	140102	0	0
T3	505600	505546	0	0
T4	21586	18860	0	0
T5	23280	17955	0	0
T7	69609	69542	0	0
T12	964	877	0	0
T13	34212	34120	0	0
T14	35020	34957	0	0
T15	1323	1231	0	0

TlOutValidKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	1125267354	1125166738	0	0
T1	840	782	0	0
T2	140154	140102	0	0
T3	505600	505546	0	0
T4	21586	18860	0	0
T5	23280	17955	0	0
T7	69609	69542	0	0
T12	964	877	0	0
T13	34212	34120	0	0
T14	35020	34957	0	0
T15	1323	1231	0	0

WdataOutKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	1125267354	1125166738	0	0
T1	840	782	0	0
T2	140154	140102	0	0
T3	505600	505546	0	0
T4	21586	18860	0	0
T5	23280	17955	0	0
T7	69609	69542	0	0
T12	964	877	0	0
T13	34212	34120	0	0
T14	35020	34957	0	0
T15	1323	1231	0	0

WeOutKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	1125267354	1125166738	0	0
T1	840	782	0	0
T2	140154	140102	0	0
T3	505600	505546	0	0
T4	21586	18860	0	0
T5	23280	17955	0	0
T7	69609	69542	0	0
T12	964	877	0	0
T13	34212	34120	0	0
T14	35020	34957	0	0
T15	1323	1231	0	0

WmaskOutKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	1125267354	1125166738	0	0
T1	840	782	0	0
T2	140154	140102	0	0
T3	505600	505546	0	0
T4	21586	18860	0	0
T5	23280	17955	0	0
T7	69609	69542	0	0
T12	964	877	0	0
T13	34212	34120	0	0
T14	35020	34957	0	0
T15	1323	1231	0	0

adapterNoReadOrWrite

Name	Attempts	Real Successes	Failures	Incomplete
Total	900	900	0	0
T1	1	1	0	0
T2	1	1	0	0
T3	1	1	0	0
T4	1	1	0	0
T5	1	1	0	0
T7	1	1	0	0
T12	1	1	0	0
T13	1	1	0	0
T14	1	1	0	0
T15	1	1	0	0

rvalidHighReqFifoEmpty

Name	Attempts	Real Successes	Failures	Incomplete
Total	1125267354	92183249	0	0
T2	140154	5537	0	0
T3	505600	11972	0	0
T4	21586	0	0	0
T5	23280	0	0	0
T6	8426	0	0	0
T7	69609	1564	0	0
T8	0	105	0	0
T12	964	0	0	0
T13	34212	0	0	0
T14	35020	0	0	0
T15	1323	0	0	0
T25	0	696	0	0
T29	0	809	0	0
T30	0	1896	0	0
T31	0	9072	0	0
T32	0	1799	0	0
T33	0	1809	0	0

rvalidHighWhenRspFifoFull

Name	Attempts	Real Successes	Failures	Incomplete
Total	1125267354	92183249	0	0
T2	140154	5537	0	0
T3	505600	11972	0	0
T4	21586	0	0	0
T5	23280	0	0	0
T6	8426	0	0	0
T7	69609	1564	0	0
T8	0	105	0	0
T12	964	0	0	0
T13	34212	0	0	0
T14	35020	0	0	0
T15	1323	0	0	0
T25	0	696	0	0
T29	0	809	0	0
T30	0	1896	0	0
T31	0	9072	0	0
T32	0	1799	0	0
T33	0	1809	0	0