Simulation Results: otbn

 
31/03/2026 16:09:15 DVSim: v1.17.3 sha: 16a992a json Branch: master Tool: xcelium [unknown]
Coverage statistics
  • Total
  • 93.74 %
  • code
  • 95.11 %
  • assert
  • 89.50 %
  • func
  • 96.61 %
  • block
  • 99.36 %
  • line
  • 99.55 %
  • branch
  • 91.84 %
  • toggle
  • 91.59 %
  • FSM
  • 97.44 %
Validation stages
V1
100.00%
V2
100.00%
V2S
92.00%
V3
0.00%
unmapped
100.00%
Testpoint Test Max Runtime Sim Time Pass Total %
smoke 1 1 100.00
otbn_smoke 14.000s 194.184us 1 1 100.00
single_binary 1 1 100.00
otbn_single 14.000s 50.755us 1 1 100.00
csr_hw_reset 1 1 100.00
otbn_csr_hw_reset 3.000s 15.475us 1 1 100.00
csr_rw 1 1 100.00
otbn_csr_rw 3.000s 15.936us 1 1 100.00
csr_bit_bash 1 1 100.00
otbn_csr_bit_bash 5.000s 34.325us 1 1 100.00
csr_aliasing 1 1 100.00
otbn_csr_aliasing 3.000s 68.681us 1 1 100.00
csr_mem_rw_with_rand_reset 1 1 100.00
otbn_csr_mem_rw_with_rand_reset 6.000s 67.579us 1 1 100.00
regwen_csr_and_corresponding_lockable_csr 2 2 100.00
otbn_csr_rw 3.000s 15.936us 1 1 100.00
otbn_csr_aliasing 3.000s 68.681us 1 1 100.00
mem_walk 1 1 100.00
otbn_mem_walk 106.000s 18116.724us 1 1 100.00
mem_partial_access 1 1 100.00
otbn_mem_partial_access 23.000s 705.809us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
reset_recovery 1 1 100.00
otbn_reset 29.000s 386.987us 1 1 100.00
multi_error 1 1 100.00
otbn_multi_err 45.000s 189.073us 1 1 100.00
back_to_back 1 1 100.00
otbn_multi 74.000s 607.683us 1 1 100.00
stress_all 1 1 100.00
otbn_stress_all 23.000s 156.350us 1 1 100.00
lc_escalation 1 1 100.00
otbn_escalate 12.000s 49.642us 1 1 100.00
zero_state_err_urnd 1 1 100.00
otbn_zero_state_err_urnd 6.000s 13.612us 1 1 100.00
sw_errs_fatal_chk 1 1 100.00
otbn_sw_errs_fatal_chk 11.000s 26.958us 1 1 100.00
alert_test 1 1 100.00
otbn_alert_test 4.000s 49.671us 1 1 100.00
intr_test 1 1 100.00
otbn_intr_test 3.000s 50.281us 1 1 100.00
tl_d_oob_addr_access 1 1 100.00
otbn_tl_errors 6.000s 1058.490us 1 1 100.00
tl_d_illegal_access 1 1 100.00
otbn_tl_errors 6.000s 1058.490us 1 1 100.00
tl_d_outstanding_access 4 4 100.00
otbn_csr_hw_reset 3.000s 15.475us 1 1 100.00
otbn_csr_rw 3.000s 15.936us 1 1 100.00
otbn_csr_aliasing 3.000s 68.681us 1 1 100.00
otbn_same_csr_outstanding 4.000s 41.220us 1 1 100.00
tl_d_partial_access 4 4 100.00
otbn_csr_hw_reset 3.000s 15.475us 1 1 100.00
otbn_csr_rw 3.000s 15.936us 1 1 100.00
otbn_csr_aliasing 3.000s 68.681us 1 1 100.00
otbn_same_csr_outstanding 4.000s 41.220us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
mem_integrity 2 2 100.00
otbn_imem_err 7.000s 52.266us 1 1 100.00
otbn_dmem_err 7.000s 68.990us 1 1 100.00
internal_integrity 4 4 100.00
otbn_alu_bignum_mod_err 6.000s 24.408us 1 1 100.00
otbn_controller_ispr_rdata_err 9.000s 67.201us 1 1 100.00
otbn_mac_bignum_acc_err 11.000s 69.671us 1 1 100.00
otbn_urnd_err 6.000s 19.681us 1 1 100.00
illegal_bus_access 1 1 100.00
otbn_illegal_mem_acc 6.000s 26.097us 1 1 100.00
otbn_mem_gnt_acc_err 1 1 100.00
otbn_mem_gnt_acc_err 5.000s 12.311us 1 1 100.00
otbn_non_sec_partial_wipe 0 1 0.00
otbn_partial_wipe 5.000s 3.532us 0 1 0.00
tl_intg_err 2 2 100.00
otbn_sec_cm 98.000s 1980.044us 1 1 100.00
otbn_tl_intg_err 10.000s 122.108us 1 1 100.00
passthru_mem_tl_intg_err 1 1 100.00
otbn_passthru_mem_tl_intg_err 23.000s 93.717us 1 1 100.00
prim_fsm_check 1 1 100.00
otbn_sec_cm 98.000s 1980.044us 1 1 100.00
prim_count_check 1 1 100.00
otbn_sec_cm 98.000s 1980.044us 1 1 100.00
sec_cm_mem_scramble 1 1 100.00
otbn_smoke 14.000s 194.184us 1 1 100.00
sec_cm_data_mem_integrity 1 1 100.00
otbn_dmem_err 7.000s 68.990us 1 1 100.00
sec_cm_instruction_mem_integrity 1 1 100.00
otbn_imem_err 7.000s 52.266us 1 1 100.00
sec_cm_bus_integrity 1 1 100.00
otbn_tl_intg_err 10.000s 122.108us 1 1 100.00
sec_cm_controller_fsm_global_esc 1 1 100.00
otbn_escalate 12.000s 49.642us 1 1 100.00
sec_cm_controller_fsm_local_esc 5 5 100.00
otbn_imem_err 7.000s 52.266us 1 1 100.00
otbn_dmem_err 7.000s 68.990us 1 1 100.00
otbn_zero_state_err_urnd 6.000s 13.612us 1 1 100.00
otbn_illegal_mem_acc 6.000s 26.097us 1 1 100.00
otbn_sec_cm 98.000s 1980.044us 1 1 100.00
sec_cm_controller_fsm_sparse 1 1 100.00
otbn_sec_cm 98.000s 1980.044us 1 1 100.00
sec_cm_scramble_key_sideload 1 1 100.00
otbn_single 14.000s 50.755us 1 1 100.00
sec_cm_scramble_ctrl_fsm_local_esc 5 5 100.00
otbn_imem_err 7.000s 52.266us 1 1 100.00
otbn_dmem_err 7.000s 68.990us 1 1 100.00
otbn_zero_state_err_urnd 6.000s 13.612us 1 1 100.00
otbn_illegal_mem_acc 6.000s 26.097us 1 1 100.00
otbn_sec_cm 98.000s 1980.044us 1 1 100.00
sec_cm_scramble_ctrl_fsm_sparse 1 1 100.00
otbn_sec_cm 98.000s 1980.044us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_global_esc 1 1 100.00
otbn_escalate 12.000s 49.642us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_local_esc 5 5 100.00
otbn_imem_err 7.000s 52.266us 1 1 100.00
otbn_dmem_err 7.000s 68.990us 1 1 100.00
otbn_zero_state_err_urnd 6.000s 13.612us 1 1 100.00
otbn_illegal_mem_acc 6.000s 26.097us 1 1 100.00
otbn_sec_cm 98.000s 1980.044us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_sparse 1 1 100.00
otbn_sec_cm 98.000s 1980.044us 1 1 100.00
sec_cm_data_reg_sw_sca 1 1 100.00
otbn_single 14.000s 50.755us 1 1 100.00
sec_cm_ctrl_redun 1 1 100.00
otbn_ctrl_redun 6.000s 16.742us 1 1 100.00
sec_cm_pc_ctrl_flow_redun 1 1 100.00
otbn_pc_ctrl_flow_redun 7.000s 238.695us 1 1 100.00
sec_cm_rnd_bus_consistency 1 1 100.00
otbn_rnd_sec_cm 29.000s 382.899us 1 1 100.00
sec_cm_rnd_rng_digest 1 1 100.00
otbn_rnd_sec_cm 29.000s 382.899us 1 1 100.00
sec_cm_rf_base_data_reg_sw_integrity 1 1 100.00
otbn_rf_base_intg_err 8.000s 73.623us 1 1 100.00
sec_cm_rf_base_data_reg_sw_glitch_detect 1 1 100.00
otbn_sec_cm 98.000s 1980.044us 1 1 100.00
sec_cm_stack_wr_ptr_ctr_redun 1 1 100.00
otbn_sec_cm 98.000s 1980.044us 1 1 100.00
sec_cm_rf_bignum_data_reg_sw_integrity 1 1 100.00
otbn_rf_bignum_intg_err 9.000s 215.549us 1 1 100.00
sec_cm_rf_bignum_data_reg_sw_glitch_detect 1 1 100.00
otbn_sec_cm 98.000s 1980.044us 1 1 100.00
sec_cm_loop_stack_ctr_redun 1 1 100.00
otbn_sec_cm 98.000s 1980.044us 1 1 100.00
sec_cm_loop_stack_addr_integrity 0 1 0.00
otbn_stack_addr_integ_chk 6.000s 8.810us 0 1 0.00
sec_cm_call_stack_addr_integrity 0 1 0.00
otbn_stack_addr_integ_chk 6.000s 8.810us 0 1 0.00
sec_cm_start_stop_ctrl_state_consistency 1 1 100.00
otbn_sec_wipe_err 6.000s 44.070us 1 1 100.00
sec_cm_data_mem_sec_wipe 1 1 100.00
otbn_single 14.000s 50.755us 1 1 100.00
sec_cm_instruction_mem_sec_wipe 1 1 100.00
otbn_single 14.000s 50.755us 1 1 100.00
sec_cm_data_reg_sw_sec_wipe 1 1 100.00
otbn_single 14.000s 50.755us 1 1 100.00
sec_cm_write_mem_integrity 1 1 100.00
otbn_multi 74.000s 607.683us 1 1 100.00
sec_cm_ctrl_flow_count 1 1 100.00
otbn_single 14.000s 50.755us 1 1 100.00
sec_cm_ctrl_flow_sca 1 1 100.00
otbn_single 14.000s 50.755us 1 1 100.00
sec_cm_data_mem_sw_noaccess 1 1 100.00
otbn_sw_no_acc 10.000s 23.741us 1 1 100.00
sec_cm_key_sideload 1 1 100.00
otbn_single 14.000s 50.755us 1 1 100.00
sec_cm_tlul_fifo_ctr_redun 1 1 100.00
otbn_sec_cm 98.000s 1980.044us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
stress_all_with_rand_reset 0 1 0.00
otbn_stress_all_with_rand_reset 281.000s 4939.634us 0 1 0.00
Testpoint Test Max Runtime Sim Time Pass Total %
Unmapped 1 1 100.00
otbn_smoke_vectorized 8.000s 225.794us 1 1 100.00

Error Messages

   Test seed line log context
UVM_ERROR (cip_base_vseq.sv:1237) [otbn_common_vseq] Check failed (!has_outstanding_access()) Waited * cycles to issue a reset with no outstanding accesses.
otbn_stress_all_with_rand_reset 19387954664314059611089374569988694165256261922627938158481177377647476942649 431
UVM_ERROR @ 4939634016 ps: (cip_base_vseq.sv:1237) [uvm_test_top.env.virtual_sequencer.otbn_common_vseq] Check failed (!has_outstanding_access()) Waited 10000 cycles to issue a reset with no outstanding accesses.
UVM_INFO @ 4939634016 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---
xmsim: *E,ASRTST (/nightly/current_run/scratch/master/otbn-sim-xcelium/default/fusesoc-work/src/lowrisc_dv_otbn_env_*/otbn_insn_cnt_if.sv,21): Assertion InsnCntMatches_A has failed
otbn_stack_addr_integ_chk 80427823760312027718064965889679188292755188503506347874421804555260603277987 117
xmsim: *E,ASRTST (/nightly/current_run/scratch/master/otbn-sim-xcelium/default/fusesoc-work/src/lowrisc_dv_otbn_env_0.1/otbn_insn_cnt_if.sv,21): (time 8809886 PS) Assertion tb.insn_cnt_if.InsnCntMatches_A has failed
xmsim: *E,ASRTST (/nightly/current_run/scratch/master/otbn-sim-xcelium/default/fusesoc-work/src/lowrisc_dv_otbn_model_agent_0.1/otbn_model_if.sv,152): (time 8809886 PS) Assertion tb.model_if.NoModelErrs has failed
UVM_ERROR @ 8809886 ps: (otbn_insn_cnt_if.sv:21) [ASSERT FAILED] InsnCntMatches_A
UVM_INFO @ 8809886 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---
UVM_ERROR (otbn_scoreboard.sv:321) [scoreboard] Check failed item.d_data == exp_read_data.val (* [*] vs * [*]) value for register otbn_reg_block.status
otbn_partial_wipe 75372980326581472378577157188464383978499366023419073617731835784069145881951 114
UVM_ERROR @ 3532024 ps: (otbn_scoreboard.sv:321) [uvm_test_top.env.scoreboard] Check failed item.d_data == exp_read_data.val (0 [0x0] vs 255 [0xff]) value for register otbn_reg_block.status
UVM_INFO @ 3532024 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---