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Merge pull request #624 from ganoam/fpga-opt-perf-mon-pr

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Modifiy Performance Counter for DSP Inference
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Noam Gallmann 2020-03-06 12:49:51 +01:00 • committed by GitHub
parent 3d827e1db1
commit 11a5fc24d4
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8 changed files with 198 additions and 47 deletions
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46
lint/verilator_waiver.vlt
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@ -58,6 +58,52 @@ lint_off -rule UNUSED -file "*/rtl/sim/simulator_ctrl.sv" -match "*'wdata_i'[31:
// entire 32-bit address around to make the code a bit cleaner.
lint_off -rule UNUSED -file "*/rtl/timer.sv" -match "*'timer_addr_i'[31:10]*"
// Bits of signal are not used for MHPMCounterNum < 29: mhpmcounter_we[31:MHPMCounterNum+3]
// cleaner to write all bits even if not all are used
lint_off -rule UNUSED -file "*/rtl/ibex_cs_registers.sv" -match "*'mhpmcounter_we'[31:MHPMCounterNum+3]*"
// Bits of signal are not used: mhpmcounter_we[1]
// Bits of signal are not used: mhpmcounterh_we[1]
// Bits of signal are not used: mhpmcounter_incr[1]
//
// cleaner to write all bits even if not all are used
//
lint_off -rule UNUSED -file "*/rtl/ibex_cs_registers.sv" -match "*'mhpmcounter_we'[1]*"
lint_off -rule UNUSED -file "*/rtl/ibex_cs_registers.sv" -match "*'mhpmcounterh_we'[1]*"
lint_off -rule UNUSED -file "*/rtl/ibex_cs_registers.sv" -match "*'mhpmcounter_incr'[1]*"
// Signals are unused if MHPMCounterNum == 0: clk_i, rst_ni
// Signal is unused if MHPMCounterNum == 0: counter_val_i[31:0]
//
// If no counters are implemented, no flops are elaborated. No clock, reset or
// next-state logic is used.
//
lint_off -rule UNUSED -file "*/rtl/ibex_counters.sv" -match "*'clk_i'"
lint_off -rule UNUSED -file "*/rtl/ibex_counters.sv" -match "*'rst_ni'"
lint_off -rule UNUSED -file "*/rtl/ibex_counters.sv" -match "*'counter_val_i'"
// Bits of signal are not used for MHPMCounterNum < 29: counter_inc_i[28:MHPMCounterNum]
// Bits of signal are not used for MHPMCounterNum < 29: counterh_we_i[28:MHPMCounterNum]
// Bits of signal are not used for MHPMCounterNum < 29: counter_we_i[28:MHPMCounterNum]
//
// cleaner to write all bits even if not all are used
//
// lint_off -rule UNUSED -file "*/rtl/ibex_counters.sv" -match "*'counter_inc_i'[28:*]*"
// lint_off -rule UNUSED -file "*/rtl/ibex_counters.sv" -match "*'counterh_we_i'[28:*]*"
// lint_off -rule UNUSED -file "*/rtl/ibex_counters.sv" -match "*'counter_we_i'[28:*]*"
lint_off -rule UNUSED -file "*/rtl/ibex_counters.sv" -match "*counter_inc_i*"
lint_off -rule UNUSED -file "*/rtl/ibex_counters.sv" -match "*counterh_we_i*"
lint_off -rule UNUSED -file "*/rtl/ibex_counters.sv" -match "*counter_we_i*"
// Bits of signal are not used for MHPMCounterWidth < 64: counter_upd[63:MHPMCounterWidth]
// Bits of signal are not used for MHPMCounterWidth < 64: counter_load[63:MHPMCounterWidth]
//
// cleaner to write all bits even if not all are used
//
lint_off -rule UNUSED -file "*/rtl/ibex_counters.sv" -match "*'counter_upd'[63:*]*"
lint_off -rule UNUSED -file "*/rtl/ibex_counters.sv" -match "*'counter_load'[63:*]*"
// Signal is not used: test_en_i
// testability signal
lint_off -rule UNUSED -file "*/rtl/ibex_register_file_ff.sv" -match "*test_en_i*"