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Simplified gshare.

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This commit is contained in:
Ross Thompson 2023-01-04 23:51:09 -06:00
parent 0eceeeeeaa
commit 14ebf2360d
2 changed files with 4 additions and 6 deletions
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3
pipelined/config/rv64gc/wally-config.vh
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@ -140,8 +140,7 @@
`define PLIC_UART_ID 10
`define BPRED_ENABLED 1
//`define BPTYPE "BPGSHARE" // BPLOCALPAg or BPGLOBAL or BPTWOBIT or BPGSHARE
`define BPTYPE "BPGLOBAL" // BPLOCALPAg or BPGLOBAL or BPTWOBIT or BPGSHARE
`define BPTYPE "BPGSHARE" // BPLOCALPAg or BPGLOBAL or BPTWOBIT or BPGSHARE
`define TESTSBP 0
`define BPRED_SIZE 10

7
pipelined/src/ifu/bpred.sv
View File

@ -101,10 +101,9 @@ module bpred (
.BranchInstrE(InstrClassE[0]), .BranchInstrM(InstrClassM[0]), .PCSrcE);
end else if (`BPTYPE == "BPGSHARE") begin:Predictor
gsharePredictor DirPredictor(.clk, .reset, .StallF, .StallE,
.PCNextF, .BPPredF,
.InstrClassE, .BPInstrClassF, .BPInstrClassD, .BPInstrClassE, .BPPredDirWrongE,
.PCE, .PCSrcE, .UpdateBPPredE);
gshare DirPredictor(.clk, .reset, .StallF, .StallD, .StallE, .StallM, .FlushD, .FlushE, .FlushM,
.PCNextF, .PCM, .DirPredictionF(BPPredF), .DirPredictionWrongE(BPPredDirWrongE),
.BranchInstrE(InstrClassE[0]), .BranchInstrM(InstrClassM[0]), .PCSrcE);
end
else if (`BPTYPE == "BPLOCALPAg") begin:Predictor