Simulation Results

Simulation Results: i2c

22/07/2026 15:30:29 DVSim: v1.50.0 sha: a22166c json Branch: master Tool: vcs [unknown]

Coverage statistics

Total
86.72 %

code
80.99 %

assert
97.25 %

func
81.92 %

line
96.48 %

branch
92.26 %

cond
84.78 %

toggle
88.00 %

FSM
43.45 %

Validation stages

V1		100.00%
V2		85.37%
V2S		100.00%
V3		0.00%

7/7 passed

100.00 %

Testpoint	Test	Max Runtime	Sim Time	Pass	Total	%
host_smoke				1	1	100.00
	i2c_host_smoke	40.700s	3397.611us	1	1	100.00
target_smoke				1	1	100.00
	i2c_target_smoke	15.210s	905.646us	1	1	100.00
csr_hw_reset				1	1	100.00
	i2c_csr_hw_reset	0.980s	29.676us	1	1	100.00
csr_rw				1	1	100.00
	i2c_csr_rw	0.930s	19.534us	1	1	100.00
csr_bit_bash				1	1	100.00
	i2c_csr_bit_bash	2.200s	344.329us	1	1	100.00
csr_aliasing				1	1	100.00
	i2c_csr_aliasing	1.200s	295.943us	1	1	100.00
csr_mem_rw_with_rand_reset				1	1	100.00
	i2c_csr_mem_rw_with_rand_reset	1.040s	33.442us	1	1	100.00
regwen_csr_and_corresponding_lockable_csr				2	2	100.00
	i2c_csr_rw	0.930s	19.534us	1	1	100.00
	i2c_csr_aliasing	1.200s	295.943us	1	1	100.00

35/41 passed

85.37 %

Testpoint	Test	Max Runtime	Sim Time	Pass	Total	%
host_error_intr				0	1	0.00
	i2c_host_error_intr	1.110s	66.766us	0	1	0.00
host_stress_all				0	1	0.00
	i2c_host_stress_all	184.570s	9759.086us	0	1	0.00
host_maxperf				1	1	100.00
	i2c_host_perf	22.150s	2952.791us	1	1	100.00
host_override				1	1	100.00
	i2c_host_override	0.920s	54.627us	1	1	100.00
host_fifo_watermark				1	1	100.00
	i2c_host_fifo_watermark	74.290s	5187.570us	1	1	100.00
host_fifo_overflow				1	1	100.00
	i2c_host_fifo_overflow	22.840s	5975.050us	1	1	100.00
host_fifo_reset				3	3	100.00
	i2c_host_fifo_reset_fmt	1.220s	658.642us	1	1	100.00
	i2c_host_fifo_fmt_empty	6.260s	2519.800us	1	1	100.00
	i2c_host_fifo_reset_rx	2.240s	529.155us	1	1	100.00
host_fifo_full				1	1	100.00
	i2c_host_fifo_full	56.310s	3671.315us	1	1	100.00
host_timeout				1	1	100.00
	i2c_host_stretch_timeout	9.430s	829.686us	1	1	100.00
i2c_host_mode_toggle				0	1	0.00
	i2c_host_mode_toggle	1.510s	463.324us	0	1	0.00
target_glitch				0	1	0.00
	i2c_target_glitch	2.540s	1033.060us	0	1	0.00
target_stress_all				1	1	100.00
	i2c_target_stress_all	776.520s	62981.697us	1	1	100.00
target_maxperf				1	1	100.00
	i2c_target_perf	2.160s	883.516us	1	1	100.00
target_fifo_empty				2	2	100.00
	i2c_target_stress_rd	15.050s	1191.870us	1	1	100.00
	i2c_target_intr_smoke	5.050s	1459.054us	1	1	100.00
target_fifo_reset				2	2	100.00
	i2c_target_fifo_reset_acq	0.870s	297.866us	1	1	100.00
	i2c_target_fifo_reset_tx	1.620s	335.971us	1	1	100.00
target_fifo_full				3	3	100.00
	i2c_target_stress_wr	171.370s	47289.398us	1	1	100.00
	i2c_target_stress_rd	15.050s	1191.870us	1	1	100.00
	i2c_target_intr_stress_wr	107.770s	16742.244us	1	1	100.00
target_timeout				1	1	100.00
	i2c_target_timeout	4.980s	11073.636us	1	1	100.00
target_clock_stretch				1	1	100.00
	i2c_target_stretch	34.230s	3730.716us	1	1	100.00
bad_address				1	1	100.00
	i2c_target_bad_addr	3.570s	1505.410us	1	1	100.00
target_mode_glitch				0	1	0.00
	i2c_target_hrst	6.960s	10090.382us	0	1	0.00
target_fifo_watermark				2	2	100.00
	i2c_target_fifo_watermarks_acq	2.580s	600.408us	1	1	100.00
	i2c_target_fifo_watermarks_tx	1.360s	465.078us	1	1	100.00
host_mode_config_perf				2	2	100.00
	i2c_host_perf	22.150s	2952.791us	1	1	100.00
	i2c_host_perf_precise	12.220s	594.421us	1	1	100.00
host_mode_clock_stretching				1	1	100.00
	i2c_host_stretch_timeout	9.430s	829.686us	1	1	100.00
target_mode_tx_stretch_ctrl				1	1	100.00
	i2c_target_tx_stretch_ctrl	2.750s	195.363us	1	1	100.00
target_mode_nack_generation				2	3	66.67
	i2c_target_nack_acqfull	2.000s	1651.819us	1	1	100.00
	i2c_target_nack_acqfull_addr	1.990s	1773.714us	1	1	100.00
	i2c_target_nack_txstretch	1.210s	209.551us	0	1	0.00
host_mode_halt_on_nak				1	1	100.00
	i2c_host_may_nack	12.700s	677.549us	1	1	100.00
target_mode_smbus_maxlen				1	1	100.00
	i2c_target_smbus_maxlen	1.650s	493.266us	1	1	100.00
alert_test				1	1	100.00
	i2c_alert_test	0.960s	22.104us	1	1	100.00
intr_test				1	1	100.00
	i2c_intr_test	0.830s	18.041us	1	1	100.00
tl_d_oob_addr_access				1	1	100.00
	i2c_tl_errors	2.240s	311.095us	1	1	100.00
tl_d_illegal_access				1	1	100.00
	i2c_tl_errors	2.240s	311.095us	1	1	100.00
tl_d_outstanding_access				4	4	100.00
	i2c_csr_hw_reset	0.980s	29.676us	1	1	100.00
	i2c_csr_rw	0.930s	19.534us	1	1	100.00
	i2c_csr_aliasing	1.200s	295.943us	1	1	100.00
	i2c_same_csr_outstanding	1.380s	105.099us	1	1	100.00
tl_d_partial_access				4	4	100.00
	i2c_csr_hw_reset	0.980s	29.676us	1	1	100.00
	i2c_csr_rw	0.930s	19.534us	1	1	100.00
	i2c_csr_aliasing	1.200s	295.943us	1	1	100.00
	i2c_same_csr_outstanding	1.380s	105.099us	1	1	100.00

V2S

2/2 passed

100.00 %

Testpoint	Test	Max Runtime	Sim Time	Pass	Total	%
tl_intg_err				2	2	100.00
	i2c_tl_intg_err	1.610s	537.367us	1	1	100.00
	i2c_sec_cm	1.140s	237.724us	1	1	100.00
sec_cm_bus_integrity				1	1	100.00
	i2c_tl_intg_err	1.610s	537.367us	1	1	100.00

0/3 passed

0.00 %

Testpoint	Test	Max Runtime	Sim Time	Total
host_stress_all_with_rand_reset				1
	i2c_host_stress_all_with_rand_reset	12.170s	942.839us	1
target_error_intr				1
	i2c_target_unexp_stop	1.130s	21.300us	1
target_stress_all_with_rand_reset				1
	i2c_target_stress_all_with_rand_reset	6.490s	534.200us	1

Error Messages

	Test	seed	line	log context
UVM_ERROR sequencer [sequencer] Get_next_item called twice without item_done or get in between				2 test runs
	i2c_host_error_intr	40220362143060957370495939868313457786652862465514040726053515486337264695551	96	UVM_INFO @ 66765837 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER] --- UVM Report catcher Summary ---
	i2c_host_stress_all	52406507184426687477203424913874636559911889522462296583527882541676998312700	110	UVM_INFO @ 9759086262 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER] --- UVM Report catcher Summary ---
UVM_ERROR (cip_base_vseq.sv:1286) [i2c_common_vseq] Check failed (!has_outstanding_access()) Waited * cycles to issue a reset with no outstanding accesses.				2 test runs
	i2c_host_stress_all_with_rand_reset	93285086507283390875947554773856554424246131010695987460141867937926578437211	90	UVM_INFO @ 942838566 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER] --- UVM Report catcher Summary ---
	i2c_target_stress_all_with_rand_reset	72858682157050579138693410115276855492864259712805535457451109144348892926900	85	UVM_INFO @ 534199981 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER] --- UVM Report catcher Summary ---
UVM_ERROR sequencer [sequencer] get_next_item/try_next_item called twice without item_done or get in between				1 test run
	i2c_target_glitch	108512325777038193278580253694312109359755962114126549398642972666427936768183	84	UVM_INFO @ 1033059530 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER] --- UVM Report catcher Summary ---
UVM_ERROR (i2c_base_vseq.sv:1474) [i2c_target_ack_stop_vseq] Check failed obs_intr_state[intr] == exp_val (* [] vs [*])				1 test run
	i2c_target_unexp_stop	20028681590346983698842751533035689709455124373652026336584875040642192566792	78	UVM_INFO @ 21299545 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER] --- UVM Report catcher Summary ---
UVM_FATAL (i2c_target_hrst_vseq.sv:107) [target_hrst_vseq] wait timeout occurred!				1 test run
	i2c_target_hrst	111584981767819520537434457299201129244270315763642733417970773362957119268936	79	UVM_INFO @ 10090382353 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER] --- UVM Report catcher Summary ---
UVM_ERROR (i2c_scoreboard.sv:627) scoreboard [scoreboard] Miscompare: DUT-Controller, dir:BusOpRead				1 test run
	i2c_host_mode_toggle	52517015276132154148811222406509848770612884160816773424948073156296194518281	87	--> EXP: --------------------------------------------------- Name Type Size Value ---------------------------------------------------
UVM_ERROR (csr_utils_pkg.sv:456) [csr_utils_pkg::csr_rd_check.isolation_fork.unnamed$$_] Check failed obs == exp ( [] vs []) Regname: i2c_reg_block.target_nack_count reset value:				1 test run
	i2c_target_nack_txstretch	68385184266898868824033395185272902316455791603166788617757169881488577057807	78	UVM_INFO @ 209551426 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER] --- UVM Report catcher Summary ---