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Updated testbench to record coremark performance counters.

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Added comment about mtval probably not being correct for compressed instructions.
This commit is contained in:
Ross Thompson 2023-03-08 17:11:27 -06:00
parent 91f2b39a45
commit 6d2d7d181e
3 changed files with 16 additions and 6 deletions
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9
sim/wave.do
View File

@ -366,11 +366,9 @@ add wave -noupdate -group lsu -expand -group ptwalker /testbench/dut/core/lsu/VI
add wave -noupdate -group lsu -expand -group ptwalker -color Gold /testbench/dut/core/lsu/VIRTMEM_SUPPORTED/hptw/WalkerState
add wave -noupdate -group lsu -expand -group ptwalker /testbench/dut/core/lsu/VIRTMEM_SUPPORTED/hptw/HPTWAdr
add wave -noupdate -group lsu -expand -group ptwalker /testbench/dut/core/lsu/VIRTMEM_SUPPORTED/hptw/PTE
add wave -noupdate -group lsu -expand -group ptwalker /testbench/dut/core/lsu/VIRTMEM_SUPPORTED/hptw/PCFSpill
add wave -noupdate -group lsu -expand -group ptwalker /testbench/dut/core/lsu/VIRTMEM_SUPPORTED/hptw/NextPageType
add wave -noupdate -group lsu -expand -group ptwalker /testbench/dut/core/lsu/VIRTMEM_SUPPORTED/hptw/PageType
add wave -noupdate -group lsu -expand -group ptwalker /testbench/dut/core/lsu/VIRTMEM_SUPPORTED/hptw/ValidNonLeafPTE
add wave -noupdate -group lsu -expand -group ptwalker /testbench/dut/core/lsu/VIRTMEM_SUPPORTED/hptw/PCFSpill
add wave -noupdate -group lsu -expand -group ptwalker -expand -group types /testbench/dut/core/lsu/ITLBMissF
add wave -noupdate -group lsu -expand -group ptwalker -expand -group types /testbench/dut/core/lsu/DTLBMissM
add wave -noupdate -group lsu -expand -group ptwalker -expand -group types /testbench/dut/core/lsu/VIRTMEM_SUPPORTED/hptw/ITLBWriteF
@ -467,7 +465,6 @@ add wave -noupdate -group ifu -group Spill -expand -group takespill /testbench/d
add wave -noupdate -group ifu -group Spill -expand -group takespill /testbench/dut/core/ifu/Spill/spill/IFUCacheBusStallD
add wave -noupdate -group ifu -group Spill -expand -group takespill /testbench/dut/core/ifu/Spill/spill/ITLBMissF
add wave -noupdate -group ifu -group Spill -expand -group takespill /testbench/dut/core/ifu/Spill/spill/TakeSpillF
add wave -noupdate -group ifu -group Spill /testbench/dut/core/ifu/SelNextSpillF
add wave -noupdate -group ifu -group bus /testbench/dut/core/ifu/bus/icache/ahbcacheinterface/HSIZE
add wave -noupdate -group ifu -group bus /testbench/dut/core/ifu/bus/icache/ahbcacheinterface/HBURST
add wave -noupdate -group ifu -group bus /testbench/dut/core/ifu/bus/icache/ahbcacheinterface/HTRANS
@ -635,8 +632,10 @@ add wave -noupdate /testbench/dut/core/priv/priv/csr/counters/counters/DCacheMis
add wave -noupdate /testbench/dut/core/priv/priv/csr/counters/counters/InstrValidNotFlushedM
add wave -noupdate /testbench/clk
add wave -noupdate /testbench/HPMCSample/InitialHPMCOUNTERH
add wave -noupdate /testbench/HPMCSample/EndSample
add wave -noupdate /testbench/HPMCSample/StartSample
TreeUpdate [SetDefaultTree]
WaveRestoreCursors {{Cursor 2} {314596 ns} 1} {{Cursor 3} {314460 ns} 1} {{Cursor 4} {391801 ns} 1} {{Cursor 4} {49231900 ns} 0} {{Cursor 5} {394987 ns} 1}
WaveRestoreCursors {{Cursor 2} {314596 ns} 1} {{Cursor 3} {314460 ns} 1} {{Cursor 4} {391801 ns} 1} {{Cursor 4} {23 ns} 0} {{Cursor 5} {394987 ns} 1}
quietly wave cursor active 4
configure wave -namecolwidth 250
configure wave -valuecolwidth 194
@ -652,4 +651,4 @@ configure wave -griddelta 40
configure wave -timeline 0
configure wave -timelineunits ns
update
WaveRestoreZoom {49231842 ns} {49231960 ns}
WaveRestoreZoom {0 ns} {52 ns}

2
src/privileged/csr.sv
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@ -133,7 +133,7 @@ module csr #(parameter
if (InterruptM) NextFaultMtvalM = 0;
else case (CauseM)
12, 1, 3: NextFaultMtvalM = PCM; // Instruction page/access faults, breakpoint
2: NextFaultMtvalM = {{(`XLEN-32){1'b0}}, InstrM}; // Illegal instruction fault
2: NextFaultMtvalM = {{(`XLEN-32){1'b0}}, InstrM}; // Illegal instruction fault // *** this should probably set to the uncompressed instruction
0, 4, 6, 13, 15, 5, 7: NextFaultMtvalM = IEUAdrM; // Instruction misaligned, Load/Store Misaligned/page/access faults
default: NextFaultMtvalM = 0; // Ecall, interrupts
endcase

11
testbench/testbench.sv
View File

@ -447,6 +447,17 @@ logic [3:0] dummy;
flopr #(1) EndSampleReg(clk, reset, EndSampleFirst, EndSampleDelayed);
assign EndSample = EndSampleFirst & ~ EndSampleDelayed;
end else if(TEST == "coremark") begin
// embench runs warmup then runs start_trigger
// embench end with stop_trigger.
assign StartSampleFirst = FunctionName.FunctionName.FunctionName == "start_time";
flopr #(1) StartSampleReg(clk, reset, StartSampleFirst, StartSampleDelayed);
assign StartSample = StartSampleFirst & ~ StartSampleDelayed;
assign EndSampleFirst = FunctionName.FunctionName.FunctionName == "stop_time";
flopr #(1) EndSampleReg(clk, reset, EndSampleFirst, EndSampleDelayed);
assign EndSample = EndSampleFirst & ~ EndSampleDelayed;
end else begin
// default start condiction is reset
// default end condiction is end of test (DCacheFlushDone)