Simulation Results: otbn

 
16/12/2025 16:01:43 sha: de081ff json Branch: master Tool: xcelium [unknown]
Coverage statistics
  • Total
  • 94.65 %
  • code
  • 95.50 %
  • assert
  • 94.01 %
  • func
  • 94.44 %
  • block
  • 99.45 %
  • line
  • 99.56 %
  • branch
  • 93.57 %
  • toggle
  • 91.43 %
  • FSM
  • 97.44 %
Validation stages
V1
100.00%
V2
100.00%
V2S
75.81%
V3
100.00%
Testpoint Test Max Runtime Sim Time Pass Total %
smoke 1 1 100.00
otbn_smoke 9.000s 136.967us 1 1 100.00
single_binary 1 1 100.00
otbn_single 6.000s 20.466us 1 1 100.00
csr_hw_reset 1 1 100.00
otbn_csr_hw_reset 3.000s 23.706us 1 1 100.00
csr_rw 1 1 100.00
otbn_csr_rw 3.000s 23.142us 1 1 100.00
csr_bit_bash 1 1 100.00
otbn_csr_bit_bash 5.000s 25.083us 1 1 100.00
csr_aliasing 1 1 100.00
otbn_csr_aliasing 4.000s 56.071us 1 1 100.00
csr_mem_rw_with_rand_reset 1 1 100.00
otbn_csr_mem_rw_with_rand_reset 5.000s 100.602us 1 1 100.00
regwen_csr_and_corresponding_lockable_csr 2 2 100.00
otbn_csr_rw 3.000s 23.142us 1 1 100.00
otbn_csr_aliasing 4.000s 56.071us 1 1 100.00
mem_walk 1 1 100.00
otbn_mem_walk 18.000s 3501.467us 1 1 100.00
mem_partial_access 1 1 100.00
otbn_mem_partial_access 17.000s 1770.095us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
reset_recovery 1 1 100.00
otbn_reset 23.000s 276.148us 1 1 100.00
multi_error 1 1 100.00
otbn_multi_err 48.000s 441.655us 1 1 100.00
back_to_back 1 1 100.00
otbn_multi 28.000s 383.974us 1 1 100.00
stress_all 1 1 100.00
otbn_stress_all 19.000s 74.679us 1 1 100.00
lc_escalation 1 1 100.00
otbn_escalate 9.000s 21.494us 1 1 100.00
zero_state_err_urnd 1 1 100.00
otbn_zero_state_err_urnd 6.000s 31.975us 1 1 100.00
sw_errs_fatal_chk 1 1 100.00
otbn_sw_errs_fatal_chk 5.000s 22.605us 1 1 100.00
alert_test 1 1 100.00
otbn_alert_test 4.000s 52.735us 1 1 100.00
intr_test 1 1 100.00
otbn_intr_test 4.000s 18.037us 1 1 100.00
tl_d_oob_addr_access 1 1 100.00
otbn_tl_errors 4.000s 93.411us 1 1 100.00
tl_d_illegal_access 1 1 100.00
otbn_tl_errors 4.000s 93.411us 1 1 100.00
tl_d_outstanding_access 4 4 100.00
otbn_csr_hw_reset 3.000s 23.706us 1 1 100.00
otbn_csr_rw 3.000s 23.142us 1 1 100.00
otbn_csr_aliasing 4.000s 56.071us 1 1 100.00
otbn_same_csr_outstanding 4.000s 36.254us 1 1 100.00
tl_d_partial_access 4 4 100.00
otbn_csr_hw_reset 3.000s 23.706us 1 1 100.00
otbn_csr_rw 3.000s 23.142us 1 1 100.00
otbn_csr_aliasing 4.000s 56.071us 1 1 100.00
otbn_same_csr_outstanding 4.000s 36.254us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
mem_integrity 2 2 100.00
otbn_imem_err 9.000s 97.396us 1 1 100.00
otbn_dmem_err 7.000s 67.320us 1 1 100.00
internal_integrity 4 4 100.00
otbn_alu_bignum_mod_err 6.000s 107.634us 1 1 100.00
otbn_controller_ispr_rdata_err 8.000s 276.977us 1 1 100.00
otbn_mac_bignum_acc_err 37.000s 609.882us 1 1 100.00
otbn_urnd_err 4.000s 45.174us 1 1 100.00
illegal_bus_access 1 1 100.00
otbn_illegal_mem_acc 5.000s 14.274us 1 1 100.00
otbn_mem_gnt_acc_err 1 1 100.00
otbn_mem_gnt_acc_err 16.000s 78.185us 1 1 100.00
otbn_non_sec_partial_wipe 1 1 100.00
otbn_partial_wipe 6.000s 30.277us 1 1 100.00
tl_intg_err 1 2 50.00
otbn_tl_intg_err 27.000s 194.741us 1 1 100.00
otbn_sec_cm 11.000s 58.099us 0 1 0.00
passthru_mem_tl_intg_err 1 1 100.00
otbn_passthru_mem_tl_intg_err 24.000s 729.753us 1 1 100.00
prim_fsm_check 0 1 0.00
otbn_sec_cm 11.000s 58.099us 0 1 0.00
prim_count_check 0 1 0.00
otbn_sec_cm 11.000s 58.099us 0 1 0.00
sec_cm_mem_scramble 1 1 100.00
otbn_smoke 9.000s 136.967us 1 1 100.00
sec_cm_data_mem_integrity 1 1 100.00
otbn_dmem_err 7.000s 67.320us 1 1 100.00
sec_cm_instruction_mem_integrity 1 1 100.00
otbn_imem_err 9.000s 97.396us 1 1 100.00
sec_cm_bus_integrity 1 1 100.00
otbn_tl_intg_err 27.000s 194.741us 1 1 100.00
sec_cm_controller_fsm_global_esc 1 1 100.00
otbn_escalate 9.000s 21.494us 1 1 100.00
sec_cm_controller_fsm_local_esc 4 5 80.00
otbn_imem_err 9.000s 97.396us 1 1 100.00
otbn_dmem_err 7.000s 67.320us 1 1 100.00
otbn_zero_state_err_urnd 6.000s 31.975us 1 1 100.00
otbn_illegal_mem_acc 5.000s 14.274us 1 1 100.00
otbn_sec_cm 11.000s 58.099us 0 1 0.00
sec_cm_controller_fsm_sparse 0 1 0.00
otbn_sec_cm 11.000s 58.099us 0 1 0.00
sec_cm_scramble_key_sideload 1 1 100.00
otbn_single 6.000s 20.466us 1 1 100.00
sec_cm_scramble_ctrl_fsm_local_esc 4 5 80.00
otbn_imem_err 9.000s 97.396us 1 1 100.00
otbn_dmem_err 7.000s 67.320us 1 1 100.00
otbn_zero_state_err_urnd 6.000s 31.975us 1 1 100.00
otbn_illegal_mem_acc 5.000s 14.274us 1 1 100.00
otbn_sec_cm 11.000s 58.099us 0 1 0.00
sec_cm_scramble_ctrl_fsm_sparse 0 1 0.00
otbn_sec_cm 11.000s 58.099us 0 1 0.00
sec_cm_start_stop_ctrl_fsm_global_esc 1 1 100.00
otbn_escalate 9.000s 21.494us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_local_esc 4 5 80.00
otbn_imem_err 9.000s 97.396us 1 1 100.00
otbn_dmem_err 7.000s 67.320us 1 1 100.00
otbn_zero_state_err_urnd 6.000s 31.975us 1 1 100.00
otbn_illegal_mem_acc 5.000s 14.274us 1 1 100.00
otbn_sec_cm 11.000s 58.099us 0 1 0.00
sec_cm_start_stop_ctrl_fsm_sparse 0 1 0.00
otbn_sec_cm 11.000s 58.099us 0 1 0.00
sec_cm_data_reg_sw_sca 1 1 100.00
otbn_single 6.000s 20.466us 1 1 100.00
sec_cm_ctrl_redun 1 1 100.00
otbn_ctrl_redun 7.000s 36.631us 1 1 100.00
sec_cm_pc_ctrl_flow_redun 1 1 100.00
otbn_pc_ctrl_flow_redun 15.000s 89.095us 1 1 100.00
sec_cm_rnd_bus_consistency 1 1 100.00
otbn_rnd_sec_cm 14.000s 83.960us 1 1 100.00
sec_cm_rnd_rng_digest 1 1 100.00
otbn_rnd_sec_cm 14.000s 83.960us 1 1 100.00
sec_cm_rf_base_data_reg_sw_integrity 1 1 100.00
otbn_rf_base_intg_err 7.000s 30.895us 1 1 100.00
sec_cm_rf_base_data_reg_sw_glitch_detect 0 1 0.00
otbn_sec_cm 11.000s 58.099us 0 1 0.00
sec_cm_stack_wr_ptr_ctr_redun 0 1 0.00
otbn_sec_cm 11.000s 58.099us 0 1 0.00
sec_cm_rf_bignum_data_reg_sw_integrity 1 1 100.00
otbn_rf_bignum_intg_err 8.000s 746.075us 1 1 100.00
sec_cm_rf_bignum_data_reg_sw_glitch_detect 0 1 0.00
otbn_sec_cm 11.000s 58.099us 0 1 0.00
sec_cm_loop_stack_ctr_redun 0 1 0.00
otbn_sec_cm 11.000s 58.099us 0 1 0.00
sec_cm_loop_stack_addr_integrity 1 1 100.00
otbn_stack_addr_integ_chk 5.000s 18.001us 1 1 100.00
sec_cm_call_stack_addr_integrity 1 1 100.00
otbn_stack_addr_integ_chk 5.000s 18.001us 1 1 100.00
sec_cm_start_stop_ctrl_state_consistency 0 1 0.00
otbn_sec_wipe_err 8.000s 61.328us 0 1 0.00
sec_cm_data_mem_sec_wipe 1 1 100.00
otbn_single 6.000s 20.466us 1 1 100.00
sec_cm_instruction_mem_sec_wipe 1 1 100.00
otbn_single 6.000s 20.466us 1 1 100.00
sec_cm_data_reg_sw_sec_wipe 1 1 100.00
otbn_single 6.000s 20.466us 1 1 100.00
sec_cm_write_mem_integrity 1 1 100.00
otbn_multi 28.000s 383.974us 1 1 100.00
sec_cm_ctrl_flow_count 1 1 100.00
otbn_single 6.000s 20.466us 1 1 100.00
sec_cm_ctrl_flow_sca 1 1 100.00
otbn_single 6.000s 20.466us 1 1 100.00
sec_cm_data_mem_sw_noaccess 1 1 100.00
otbn_sw_no_acc 5.000s 18.125us 1 1 100.00
sec_cm_key_sideload 1 1 100.00
otbn_single 6.000s 20.466us 1 1 100.00
sec_cm_tlul_fifo_ctr_redun 0 1 0.00
otbn_sec_cm 11.000s 58.099us 0 1 0.00
Testpoint Test Max Runtime Sim Time Pass Total %
stress_all_with_rand_reset 1 1 100.00
otbn_stress_all_with_rand_reset 138.000s 1802.086us 1 1 100.00

Error Messages

   Test seed line log context
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_sec_wipe_err 73867366273376958981229759845895938692713742778935384300189787090668099875514 108
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 61328242 PS) Assertion tb.insn_cnt_if.InsnCntMatches_A has failed
UVM_ERROR @ 61328242 ps: (otbn_insn_cnt_if.sv:21) [ASSERT FAILED] InsnCntMatches_A
UVM_INFO @ 61328242 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_ip_otbn_*/rtl/otbn.sv,1386): Assertion ErrBitsKnown_A has failed
otbn_sec_cm 73644086579155009758245005809332193272053891169093307831760623463714991845758 113
xmsim: *E,ASRTST (/nightly/current_run/scratch/master/otbn-sim-xcelium/default/fusesoc-work/src/lowrisc_ip_otbn_0.1/rtl/otbn.sv,1386): (time 58099299 PS) Assertion tb.dut.ErrBitsKnown_A has failed
xmsim: *E,ASRTST (/nightly/current_run/scratch/master/otbn-sim-xcelium/default/fusesoc-work/src/lowrisc_ip_otbn_0.1/rtl/otbn_core.sv,948): (time 58099299 PS) Assertion tb.dut.u_otbn_core.DoneOKnown_A has failed
xmsim: *E,ASRTST (/nightly/current_run/scratch/master/otbn-sim-xcelium/default/fusesoc-work/src/lowrisc_ip_otbn_0.1/rtl/otbn_core.sv,949): (time 58099299 PS) Assertion tb.dut.u_otbn_core.ImemReqOKnown_A has failed
xmsim: *E,ASRTST (/nightly/current_run/scratch/master/otbn-sim-xcelium/default/fusesoc-work/src/lowrisc_ip_otbn_0.1/rtl/otbn_core.sv,950): (time 58099299 PS) Assertion tb.dut.u_otbn_core.ImemAddrOKnown_AKnownEnable has failed
xmsim: *E,ASRTST (/nightly/current_run/scratch/master/otbn-sim-xcelium/default/fusesoc-work/src/lowrisc_ip_otbn_0.1/rtl/otbn_core.sv,960): (time 58099299 PS) Assertion tb.dut.u_otbn_core.ErrBitsKnown_A has failed