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Removed force from branch predictor initialization

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This commit is contained in:
David Harris 2023-05-22 09:57:41 -07:00
parent 84dac82def
commit 163b05f1ce
1 changed files with 7 additions and 15 deletions
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18
testbench/testbench.sv
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@ -252,7 +252,7 @@ module testbench;
$readmemh(romfilename, dut.uncore.uncore.bootrom.bootrom.memory.ROM);
$readmemh(sdcfilename, sdcard.sdcard.FLASHmem);
// force sdc timers
force dut.uncore.uncore.sdc.SDC.LimitTimers = 1;
dut.uncore.uncore.sdc.SDC.LimitTimers = 1;
end else begin
if (`IROM_SUPPORTED) $readmemh(memfilename, dut.core.ifu.irom.irom.rom.ROM);
else if (`BUS_SUPPORTED) $readmemh(memfilename, dut.uncore.uncore.ram.ram.memory.RAM);
@ -536,21 +536,13 @@ module testbench;
if (`BPRED_SUPPORTED) begin
integer adrindex;
always @(*) begin
if(reset) begin
// initialize branch predictor on reset
always @(posedge reset) begin
for(adrindex = 0; adrindex < 2**`BTB_SIZE; adrindex++) begin
force dut.core.ifu.bpred.bpred.TargetPredictor.memory.mem[adrindex] = 0;
dut.core.ifu.bpred.bpred.TargetPredictor.memory.mem[adrindex] = 0;
end
for(adrindex = 0; adrindex < 2**`BPRED_SIZE; adrindex++) begin
force dut.core.ifu.bpred.bpred.Predictor.DirPredictor.PHT.mem[adrindex] = 0;
end
#1;
for(adrindex = 0; adrindex < 2**`BTB_SIZE; adrindex++) begin
release dut.core.ifu.bpred.bpred.TargetPredictor.memory.mem[adrindex];
end
for(adrindex = 0; adrindex < 2**`BPRED_SIZE; adrindex++) begin
release dut.core.ifu.bpred.bpred.Predictor.DirPredictor.PHT.mem[adrindex];
end
dut.core.ifu.bpred.bpred.Predictor.DirPredictor.PHT.mem[adrindex] = 0;
end
end
end