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Logger significantly improved.

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This commit is contained in:
Limnanthes Serafini 2023-04-11 19:29:51 -07:00
parent fdb81e44c9
commit 11a5b23bb8
1 changed files with 19 additions and 10 deletions
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29
testbench/testbench.sv
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@ -557,31 +557,38 @@ end
if (`ICACHE_SUPPORTED && `I_CACHE_ADDR_LOGGER) begin : ICacheLogger
int file;
string LogFile;
logic resetD, resetEdge;
string LogFile;
logic resetD, resetEdge;
logic Enable;
// assign Enable = ~dut.core.StallD & ~dut.core.FlushD & dut.core.ifu.bus.icache.CacheRWF[1] & ~reset;
// this version of Enable allows for accurate eviction logging.
// Likely needs further improvement.
assign Enable = dut.core.ifu.bus.icache.icache.cachefsm.LRUWriteEn & ~reset;
flop #(1) ResetDReg(clk, reset, resetD);
assign resetEdge = ~reset & resetD;
assign Enable = dut.core.ifu.bus.icache.icache.cachefsm.LRUWriteEn &
dut.core.ifu.immu.immu.pmachecker.Cacheable &
~dut.core.ifu.bus.icache.icache.cachefsm.FlushStage &
~reset;
flop #(1) ResetDReg(clk, reset, resetD);
assign resetEdge = ~reset & resetD;
flop #(1) InvalReg(clk, dut.core.ifu.InvalidateICacheM, InvalDelayed);
assign InvalEdge = dut.core.ifu.InvalidateICacheM & ~InvalDelayed;
initial begin
LogFile = $psprintf("ICache.log");
LogFile = $psprintf("ICache.log");
file = $fopen(LogFile, "w");
$fwrite(file, "BEGIN %s\n", memfilename);
end
$fwrite(file, "BEGIN %s\n", memfilename);
end
string AccessTypeString, HitMissString;
assign HitMissString = dut.core.ifu.bus.icache.icache.CacheHit ? "H" :
dut.core.ifu.bus.icache.icache.vict.cacheLRU.AllValid ? "E" : "M";
assign AccessTypeString = dut.core.ifu.InvalidateICacheM ? "I" : "R";
always @(posedge clk) begin
if(resetEdge) $fwrite(file, "TRAIN\n");
if(Begin) $fwrite(file, "BEGIN %s\n", memfilename);
if(Enable) begin // only log i cache reads
$fwrite(file, "%h %s %s\n", dut.core.ifu.PCPF, AccessTypeString, HitMissString);
$fwrite(file, "%h R %s\n", dut.core.ifu.PCPF, HitMissString);
end
if(InvalEdge) $fwrite(file, "0 I X\n");
if(EndSample) $fwrite(file, "END %s\n", memfilename);
end
end
@ -612,6 +619,7 @@ end
// Likely needs further improvement.
assign Enabled = dut.core.lsu.bus.dcache.dcache.cachefsm.LRUWriteEn &
~dut.core.lsu.bus.dcache.dcache.cachefsm.FlushStage &
dut.core.lsu.dmmu.dmmu.pmachecker.Cacheable &
(AccessTypeString != "NULL");
initial begin
@ -625,6 +633,7 @@ end
if(Enabled) begin
$fwrite(file, "%h %s %s\n", dut.core.lsu.PAdrM, AccessTypeString, HitMissString);
end
if(dut.core.lsu.bus.dcache.dcache.cachefsm.FlushFlag) $fwrite(file, "0 F X\n");
if(EndSample) $fwrite(file, "END %s\n", memfilename);
end
end