forked from Github_Repos/cvw
Renamed branch predictors and consolidated global and gshare predictors.
This commit is contained in:
Ross Thompson
parent
68e39eeb66
commit
a14c71bd95
@ -130,7 +130,7 @@
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`define PLIC_GPIO_ID 3
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`define BPRED_SUPPORTED 1
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`define BPRED_TYPE "BP_GSHARE_FORWARD" // BPLOCALPAg or BPGLOBAL or BPTWOBIT or BPGSHARE
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`define BPRED_TYPE "BP_GSHARE" // BP_GSHARE_BASIC, BP_GLOBAL, BP_GLOBAL_BASIC, BP_TWOBIT
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`define BPRED_SIZE 10
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`define BTB_SIZE 10
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@ -139,8 +139,8 @@
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`define PLIC_GPIO_ID 3
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`define BPRED_SUPPORTED 1
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`define BPRED_TYPE "BP_GSHARE_FORWARD" // BPLOCALPAg or BPGLOBAL or BPTWOBIT or BPGSHARE or BPSPECULATIVEGLOBAL or BPSPECULATIVEGSHARE or BPOLDGSHARE or BPOLDGSHARE2
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`define BPRED_SIZE 10
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`define BPRED_TYPE "BP_GSHARE" // BP_GSHARE_BASIC, BP_GLOBAL, BP_GLOBAL_BASIC, BP_TWOBIT
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`define BPRED_SIZE 12
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`define BTB_SIZE 10
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@ -134,7 +134,7 @@
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`define PLIC_UART_ID 10
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`define BPRED_SUPPORTED 0
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`define BPRED_TYPE "BP_GSHARE_FORWARD" // BPLOCALPAg or BPGLOBAL or BPTWOBIT or BPGSHARE
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`define BPRED_TYPE "BP_GSHARE" // BP_GSHARE_BASIC, BP_GLOBAL, BP_GLOBAL_BASIC, BP_TWOBIT
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`define BPRED_SIZE 10
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`define BTB_SIZE 10
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@ -133,7 +133,7 @@
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`define PLIC_UART_ID 10
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`define BPRED_SUPPORTED 1
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`define BPRED_TYPE "BP_GSHARE_FORWARD" // BPLOCALPAg or BPGLOBAL or BPTWOBIT or BPGSHARE
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`define BPRED_TYPE "BP_GSHARE" // BP_GSHARE_BASIC, BP_GLOBAL, BP_GLOBAL_BASIC, BP_TWOBIT
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`define BPRED_SIZE 10
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`define BTB_SIZE 10
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@ -134,7 +134,7 @@
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`define PLIC_UART_ID 10
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`define BPRED_SUPPORTED 0
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`define BPRED_TYPE "BP_GSHARE_FORWARD" // BPLOCALPAg or BPGLOBAL or BPTWOBIT or BPGSHARE
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`define BPRED_TYPE "BP_GSHARE" // BP_GSHARE_BASIC, BP_GLOBAL, BP_GLOBAL_BASIC, BP_TWOBIT
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`define BPRED_SIZE 10
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`define BTB_SIZE 10
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@ -133,7 +133,7 @@
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`define PLIC_UART_ID 10
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`define BPRED_SUPPORTED 0
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`define BPRED_TYPE "BP_GSHARE_FORWARD" // BPLOCALPAg or BPGLOBAL or BPTWOBIT or BPGSHARE
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`define BPRED_TYPE "BP_GSHARE" // BP_GSHARE_BASIC, BP_GLOBAL, BP_GLOBAL_BASIC, BP_TWOBIT
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`define BPRED_SIZE 10
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`define BTB_SIZE 10
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@ -136,7 +136,7 @@
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`define PLIC_UART_ID 10
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`define BPRED_SUPPORTED 1
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`define BPRED_TYPE "BP_GSHARE_FORWARD" // BPLOCALPAg or BPGLOBAL or BPTWOBIT or BPGSHARE
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`define BPRED_TYPE "BP_GSHARE" // BP_GSHARE_BASIC, BP_GLOBAL, BP_GLOBAL_BASIC, BP_TWOBIT
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`define BPRED_SIZE 10
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`define BTB_SIZE 10
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@ -136,7 +136,7 @@
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`define PLIC_UART_ID 10
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`define BPRED_SUPPORTED 1
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`define BPRED_TYPE "BP_GSHARE_FORWARD" // BPLOCALPAg or BPGLOBAL or BPTWOBIT or BPGSHARE or BPSPECULATIVEGLOBAL or BPSPECULATIVEGSHARE or BPOLDGSHARE or BPOLDGSHARE2
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`define BPRED_TYPE "BP_GSHARE" // BP_GSHARE_BASIC, BP_GLOBAL, BP_GLOBAL_BASIC, BP_TWOBIT
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`define BPRED_SIZE 10
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`define BTB_SIZE 10
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@ -136,7 +136,7 @@
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`define PLIC_UART_ID 10
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`define BPRED_SUPPORTED 0
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`define BPRED_TYPE "BPGSHARE" // BPLOCALPAg or BPGLOBAL or BPTWOBIT or BPGSHARE
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`define BPRED_TYPE "BP_GSHARE" // BP_GSHARE_BASIC, BP_GLOBAL, BP_GLOBAL_BASIC, BP_TWOBIT
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`define BPRED_SIZE 10
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`define BTB_SIZE 10
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117
sim/wave.do
117
sim/wave.do
@ -37,17 +37,17 @@ add wave -noupdate -group HDU -expand -group Stall -color Orange /testbench/dut/
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add wave -noupdate -group HDU -expand -group Stall -color Orange /testbench/dut/core/StallE
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add wave -noupdate -group HDU -expand -group Stall -color Orange /testbench/dut/core/StallM
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add wave -noupdate -group HDU -expand -group Stall -color Orange /testbench/dut/core/StallW
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add wave -noupdate -expand -group {instruction pipeline} /testbench/InstrFName
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add wave -noupdate -expand -group {instruction pipeline} /testbench/dut/core/ifu/PostSpillInstrRawF
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add wave -noupdate -expand -group {instruction pipeline} /testbench/dut/core/ifu/InstrD
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add wave -noupdate -expand -group {instruction pipeline} /testbench/dut/core/ifu/InstrE
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add wave -noupdate -expand -group {instruction pipeline} /testbench/dut/core/ifu/InstrM
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add wave -noupdate -expand -group PCS /testbench/dut/core/ifu/PCNextF
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add wave -noupdate -expand -group PCS /testbench/dut/core/ifu/PCF
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add wave -noupdate -expand -group PCS /testbench/dut/core/ifu/PCD
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add wave -noupdate -expand -group PCS /testbench/dut/core/PCE
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add wave -noupdate -expand -group PCS /testbench/dut/core/PCM
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add wave -noupdate -expand -group PCS /testbench/PCW
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add wave -noupdate -group {instruction pipeline} /testbench/InstrFName
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add wave -noupdate -group {instruction pipeline} /testbench/dut/core/ifu/PostSpillInstrRawF
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add wave -noupdate -group {instruction pipeline} /testbench/dut/core/ifu/InstrD
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add wave -noupdate -group {instruction pipeline} /testbench/dut/core/ifu/InstrE
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add wave -noupdate -group {instruction pipeline} /testbench/dut/core/ifu/InstrM
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add wave -noupdate -group PCS /testbench/dut/core/ifu/PCNextF
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add wave -noupdate -group PCS /testbench/dut/core/ifu/PCF
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add wave -noupdate -group PCS /testbench/dut/core/ifu/PCD
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add wave -noupdate -group PCS /testbench/dut/core/PCE
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add wave -noupdate -group PCS /testbench/dut/core/PCM
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add wave -noupdate -group PCS /testbench/PCW
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add wave -noupdate -group {Decode Stage} /testbench/dut/core/ifu/PCD
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add wave -noupdate -group {Decode Stage} /testbench/dut/core/ifu/InstrD
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add wave -noupdate -group {Decode Stage} /testbench/InstrDName
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@ -95,15 +95,15 @@ add wave -noupdate -group Bpred -group {bp wrong} /testbench/dut/core/ifu/bpred/
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add wave -noupdate -group Bpred -group {bp wrong} /testbench/dut/core/ifu/bpred/bpred/InstrClassE
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add wave -noupdate -group Bpred -group {bp wrong} /testbench/dut/core/ifu/bpred/bpred/BPPredWrongE
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add wave -noupdate -group Bpred /testbench/dut/core/ifu/bpred/bpred/BPPredWrongE
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add wave -noupdate -expand -group {PCNext Generation} /testbench/dut/core/ifu/PCNextF
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add wave -noupdate -expand -group {PCNext Generation} /testbench/dut/core/ifu/bpred/bpred/NextValidPCE
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add wave -noupdate -expand -group {PCNext Generation} /testbench/dut/core/ifu/PCF
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add wave -noupdate -expand -group {PCNext Generation} /testbench/dut/core/ifu/PCPlus2or4F
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add wave -noupdate -expand -group {PCNext Generation} /testbench/dut/core/ifu/bpred/bpred/BPPredPCF
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add wave -noupdate -expand -group {PCNext Generation} /testbench/dut/core/ifu/bpred/bpred/SelBPPredF
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add wave -noupdate -expand -group {PCNext Generation} /testbench/dut/core/ifu/bpred/bpred/PCNext0F
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add wave -noupdate -expand -group {PCNext Generation} /testbench/dut/core/ifu/PCNext1F
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add wave -noupdate -expand -group {PCNext Generation} /testbench/dut/core/ifu/BPPredWrongE
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add wave -noupdate -group {PCNext Generation} /testbench/dut/core/ifu/PCNextF
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add wave -noupdate -group {PCNext Generation} /testbench/dut/core/ifu/bpred/bpred/NextValidPCE
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add wave -noupdate -group {PCNext Generation} /testbench/dut/core/ifu/PCF
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add wave -noupdate -group {PCNext Generation} /testbench/dut/core/ifu/PCPlus2or4F
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add wave -noupdate -group {PCNext Generation} /testbench/dut/core/ifu/bpred/bpred/BPPredPCF
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add wave -noupdate -group {PCNext Generation} /testbench/dut/core/ifu/bpred/bpred/SelBPPredF
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add wave -noupdate -group {PCNext Generation} /testbench/dut/core/ifu/bpred/bpred/PCNext0F
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add wave -noupdate -group {PCNext Generation} /testbench/dut/core/ifu/PCNext1F
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add wave -noupdate -group {PCNext Generation} /testbench/dut/core/ifu/BPPredWrongE
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add wave -noupdate -group RegFile -expand /testbench/dut/core/ieu/dp/regf/rf
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add wave -noupdate -group RegFile /testbench/dut/core/ieu/dp/regf/a1
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add wave -noupdate -group RegFile /testbench/dut/core/ieu/dp/regf/a2
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@ -556,21 +556,21 @@ add wave -noupdate -group ifu -group itlb -expand -group key19 {/testbench/dut/c
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add wave -noupdate -group ifu -group itlb -expand -group key19 {/testbench/dut/core/ifu/immu/immu/tlb/tlb/tlbcam/camlines[19]/Key1}
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add wave -noupdate -group ifu -group itlb -expand -group key19 {/testbench/dut/core/ifu/immu/immu/tlb/tlb/tlbcam/camlines[19]/Query0}
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add wave -noupdate -group ifu -group itlb -expand -group key19 {/testbench/dut/core/ifu/immu/immu/tlb/tlb/tlbcam/camlines[19]/Query1}
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add wave -noupdate -group {Performance Counters} -label MCYCLE -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[0]}
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add wave -noupdate -group {Performance Counters} -label MINSTRET -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[2]}
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add wave -noupdate -group {Performance Counters} -label {LOAD STORE HAZARD} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[3]}
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add wave -noupdate -group {Performance Counters} -expand -group BRP -label {BP DIRECTION WRONG} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[4]}
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add wave -noupdate -group {Performance Counters} -expand -group BRP -label {BP INSTRUCTION} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[5]}
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add wave -noupdate -group {Performance Counters} -expand -group BRP -label {BTA/JTA WRONG} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[6]}
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add wave -noupdate -group {Performance Counters} -expand -group BRP -label {JAL(R) INSTRUCTION} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[7]}
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add wave -noupdate -group {Performance Counters} -expand -group BRP -label {RAS WRONG} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[8]}
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add wave -noupdate -group {Performance Counters} -expand -group BRP -label {RETURN INSTRUCTION} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[9]}
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add wave -noupdate -group {Performance Counters} -expand -group BRP -label {BP CLASS WRONG} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[10]}
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add wave -noupdate -group {Performance Counters} -expand -group BRP -label {Branch Predictor Wrong} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[15]}
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add wave -noupdate -group {Performance Counters} -expand -group ICACHE -label {ICACHE ACCESS} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[13]}
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add wave -noupdate -group {Performance Counters} -expand -group ICACHE -label {ICACHE MISS} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[14]}
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add wave -noupdate -group {Performance Counters} -expand -group DCACHE -label {DCACHE ACCESS} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[11]}
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add wave -noupdate -group {Performance Counters} -expand -group DCACHE -label {DCACHE MISS} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[12]}
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add wave -noupdate -expand -group {Performance Counters} -label MCYCLE -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[0]}
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add wave -noupdate -expand -group {Performance Counters} -label MINSTRET -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[2]}
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add wave -noupdate -expand -group {Performance Counters} -label {LOAD STORE HAZARD} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[3]}
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add wave -noupdate -expand -group {Performance Counters} -expand -group BRP -label {BP DIRECTION WRONG} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[4]}
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add wave -noupdate -expand -group {Performance Counters} -expand -group BRP -label {BP INSTRUCTION} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[5]}
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add wave -noupdate -expand -group {Performance Counters} -expand -group BRP -label {BTA/JTA WRONG} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[6]}
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add wave -noupdate -expand -group {Performance Counters} -expand -group BRP -label {JAL(R) INSTRUCTION} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[7]}
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add wave -noupdate -expand -group {Performance Counters} -expand -group BRP -label {RAS WRONG} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[8]}
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add wave -noupdate -expand -group {Performance Counters} -expand -group BRP -label {RETURN INSTRUCTION} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[9]}
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add wave -noupdate -expand -group {Performance Counters} -expand -group BRP -label {BP CLASS WRONG} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[10]}
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add wave -noupdate -expand -group {Performance Counters} -expand -group BRP -label {Branch Predictor Wrong} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[15]}
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add wave -noupdate -expand -group {Performance Counters} -expand -group ICACHE -label {ICACHE ACCESS} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[13]}
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add wave -noupdate -expand -group {Performance Counters} -expand -group ICACHE -label {ICACHE MISS} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[14]}
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add wave -noupdate -expand -group {Performance Counters} -expand -group DCACHE -label {DCACHE ACCESS} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[11]}
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add wave -noupdate -expand -group {Performance Counters} -expand -group DCACHE -label {DCACHE MISS} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[12]}
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add wave -noupdate -group {ifu } -color Gold /testbench/dut/core/ifu/bus/icache/ahbcacheinterface/AHBBuscachefsm/CurrState
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add wave -noupdate -group {ifu } /testbench/dut/core/ifu/bus/icache/ahbcacheinterface/AHBBuscachefsm/HREADY
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add wave -noupdate -group {ifu } /testbench/dut/core/ifu/bus/icache/ahbcacheinterface/FetchBuffer
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@ -602,23 +602,23 @@ add wave -noupdate -group uncore /testbench/dut/uncore/uncore/HSELNoneD
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add wave -noupdate -group uncore /testbench/dut/uncore/uncore/HSELPLICD
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add wave -noupdate -group uncore /testbench/dut/uncore/uncore/HRDATA
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add wave -noupdate /testbench/dut/core/ifu/bpred/bpred/rd
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add wave -noupdate -expand -group {branch direction} /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/IndexNextF
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add wave -noupdate -expand -group {branch direction} -expand -group {branch outcome} /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/PCSrcE
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add wave -noupdate -expand -group {branch direction} -expand -group {branch outcome} /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/DirPredictionE
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add wave -noupdate -expand -group {branch direction} /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/TableDirPredictionF
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add wave -noupdate -expand -group {branch direction} /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/MatchXF
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add wave -noupdate -expand -group {branch direction} -expand -group conditions /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/DirPredictionWrongE
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add wave -noupdate -expand -group {branch direction} -expand -group conditions /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/FlushM
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add wave -noupdate -expand -group {branch direction} -expand -group conditions /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/FlushE
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add wave -noupdate -expand -group {branch direction} -expand -group ghr /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/GHRF
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add wave -noupdate -expand -group {branch direction} -expand -group ghr /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/GHRD
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add wave -noupdate -expand -group {branch direction} -expand -group ghr /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/GHRE
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add wave -noupdate -expand -group {branch direction} /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/FlushD
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add wave -noupdate -expand -group {branch direction} -expand -group nextghr2 /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/GHRNextF
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add wave -noupdate -expand -group {branch direction} /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/NewDirPredictionE
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add wave -noupdate -expand -group {branch direction} /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/IndexE
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add wave -noupdate -expand -group {branch direction} /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/StallM
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add wave -noupdate -expand -group {branch direction} /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/FlushM
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add wave -noupdate -group {branch direction} /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/IndexNextF
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add wave -noupdate -group {branch direction} -expand -group {branch outcome} /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/PCSrcE
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add wave -noupdate -group {branch direction} -expand -group {branch outcome} /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/DirPredictionE
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add wave -noupdate -group {branch direction} /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/TableDirPredictionF
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add wave -noupdate -group {branch direction} /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/MatchXF
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add wave -noupdate -group {branch direction} -expand -group conditions /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/DirPredictionWrongE
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add wave -noupdate -group {branch direction} -expand -group conditions /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/FlushM
|
||||
add wave -noupdate -group {branch direction} -expand -group conditions /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/FlushE
|
||||
add wave -noupdate -group {branch direction} -expand -group ghr /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/GHRF
|
||||
add wave -noupdate -group {branch direction} -expand -group ghr /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/GHRD
|
||||
add wave -noupdate -group {branch direction} -expand -group ghr /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/GHRE
|
||||
add wave -noupdate -group {branch direction} /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/FlushD
|
||||
add wave -noupdate -group {branch direction} -expand -group nextghr2 /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/GHRNextF
|
||||
add wave -noupdate -group {branch direction} /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/NewDirPredictionE
|
||||
add wave -noupdate -group {branch direction} /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/IndexE
|
||||
add wave -noupdate -group {branch direction} /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/StallM
|
||||
add wave -noupdate -group {branch direction} /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/FlushM
|
||||
add wave -noupdate /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/GHR
|
||||
add wave -noupdate /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/GHRF
|
||||
add wave -noupdate /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/PCNextF
|
||||
@ -627,9 +627,16 @@ add wave -noupdate /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/In
|
||||
add wave -noupdate /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/DirPredictionF
|
||||
add wave -noupdate /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/BranchInstrF
|
||||
add wave -noupdate /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/MatchNextX
|
||||
add wave -noupdate /testbench/dut/core/ifu/bpred/bpred/PredInstrClassF
|
||||
add wave -noupdate /testbench/dut/core/ifu/bpred/bpred/PredValidF
|
||||
add wave -noupdate /testbench/dut/core/priv/priv/csr/counters/counters/DCacheAccess
|
||||
add wave -noupdate /testbench/dut/core/priv/priv/csr/counters/counters/ICacheMiss
|
||||
add wave -noupdate /testbench/dut/core/priv/priv/csr/counters/counters/ICacheAccess
|
||||
add wave -noupdate /testbench/dut/core/priv/priv/csr/counters/counters/DCacheMiss
|
||||
add wave -noupdate /testbench/dut/core/priv/priv/csr/counters/counters/InstrValidNotFlushedM
|
||||
TreeUpdate [SetDefaultTree]
|
||||
WaveRestoreCursors {{Cursor 2} {314596 ns} 1} {{Cursor 3} {314460 ns} 1} {{Cursor 4} {391801 ns} 1} {{Cursor 4} {1156601 ns} 1} {{Cursor 5} {394986 ns} 0}
|
||||
quietly wave cursor active 5
|
||||
WaveRestoreCursors {{Cursor 2} {314596 ns} 1} {{Cursor 3} {314460 ns} 1} {{Cursor 4} {391801 ns} 1} {{Cursor 4} {368581 ns} 0} {{Cursor 5} {394987 ns} 1}
|
||||
quietly wave cursor active 4
|
||||
configure wave -namecolwidth 250
|
||||
configure wave -valuecolwidth 194
|
||||
configure wave -justifyvalue left
|
||||
@ -644,4 +651,4 @@ configure wave -griddelta 40
|
||||
configure wave -timeline 0
|
||||
configure wave -timelineunits ns
|
||||
update
|
||||
WaveRestoreZoom {394883 ns} {395051 ns}
|
||||
WaveRestoreZoom {368125 ns} {368797 ns}
|
||||
|
||||
@ -94,36 +94,32 @@ module bpred (
|
||||
|
||||
// Part 1 branch direction prediction
|
||||
// look into the 2 port Sram model. something is wrong.
|
||||
if (`BPRED_TYPE == "BPTWOBIT") begin:Predictor
|
||||
if (`BPRED_TYPE == "BP_TWOBIT") begin:Predictor
|
||||
twoBitPredictor #(`BPRED_SIZE) DirPredictor(.clk, .reset, .StallF, .StallD, .StallE, .StallM, .FlushD, .FlushE, .FlushM,
|
||||
.PCNextF, .PCM, .DirPredictionF, .DirPredictionWrongE,
|
||||
.BranchInstrE(InstrClassE[0]), .BranchInstrM(InstrClassM[0]), .PCSrcE);
|
||||
|
||||
end else if (`BPRED_TYPE == "BPGLOBAL") begin:Predictor
|
||||
globalhistory #(`BPRED_SIZE) DirPredictor(.clk, .reset, .StallF, .StallD, .StallE, .StallM, .StallW, .FlushD, .FlushE, .FlushM, .FlushW,
|
||||
.DirPredictionF, .DirPredictionWrongE,
|
||||
.BranchInstrE(InstrClassE[0]), .BranchInstrM(InstrClassM[0]), .PCSrcE);
|
||||
|
||||
end else if (`BPRED_TYPE == "BPSPECULATIVEGLOBAL") begin:Predictor
|
||||
speculativeglobalhistory #(`BPRED_SIZE) DirPredictor(.clk, .reset, .StallF, .StallD, .StallE, .StallM, .StallW, .FlushD, .FlushE, .FlushM, .FlushW,
|
||||
.DirPredictionF, .DirPredictionWrongE,
|
||||
.PredInstrClassF, .InstrClassD, .InstrClassE, .InstrClassM, .WrongPredInstrClassD, .PCSrcE);
|
||||
|
||||
end else if (`BPRED_TYPE == "BPGSHARE") begin:Predictor
|
||||
end else if (`BPRED_TYPE == "BP_GSHARE") begin:Predictor
|
||||
gshare #(`BPRED_SIZE) DirPredictor(.clk, .reset, .StallF, .StallD, .StallE, .StallM, .StallW, .FlushD, .FlushE, .FlushM, .FlushW,
|
||||
.PCNextF, .PCM, .DirPredictionF, .DirPredictionWrongE,
|
||||
.BranchInstrE(InstrClassE[0]), .BranchInstrM(InstrClassM[0]), .PCSrcE);
|
||||
|
||||
end else if (`BPRED_TYPE == "BPSPECULATIVEGSHARE") begin:Predictor
|
||||
speculativegshare #(`BPRED_SIZE) DirPredictor(.clk, .reset, .StallF, .StallD, .StallE, .StallM, .StallW, .FlushD, .FlushE, .FlushM, .FlushW,
|
||||
.PCNextF, .PCF, .PCD, .PCE, .DirPredictionF, .DirPredictionWrongE,
|
||||
.PredInstrClassF, .InstrClassD, .InstrClassE, .InstrClassM, .WrongPredInstrClassD, .PCSrcE);
|
||||
|
||||
end else if (`BPRED_TYPE == "BP_GSHARE_FORWARD") begin:Predictor
|
||||
gshareForward #(`BPRED_SIZE) DirPredictor(.clk, .reset, .StallF, .StallD, .StallE, .StallM, .StallW, .FlushD, .FlushE, .FlushM, .FlushW,
|
||||
.PCNextF, .PCF, .PCD, .PCE, .PCM, .DirPredictionF, .DirPredictionWrongE,
|
||||
.BranchInstrF(PredInstrClassF[0]), .BranchInstrD(InstrClassD[0]), .BranchInstrE(InstrClassE[0]), .BranchInstrM(InstrClassM[0]),
|
||||
.PCSrcE);
|
||||
|
||||
end else if (`BPRED_TYPE == "BP_GLOBAL") begin:Predictor
|
||||
gshare #(`BPRED_SIZE, "global") DirPredictor(.clk, .reset, .StallF, .StallD, .StallE, .StallM, .StallW, .FlushD, .FlushE, .FlushM, .FlushW,
|
||||
.PCNextF, .PCF, .PCD, .PCE, .PCM, .DirPredictionF, .DirPredictionWrongE,
|
||||
.BranchInstrF(PredInstrClassF[0]), .BranchInstrD(InstrClassD[0]), .BranchInstrE(InstrClassE[0]), .BranchInstrM(InstrClassM[0]),
|
||||
.PCSrcE);
|
||||
|
||||
end else if (`BPRED_TYPE == "BP_GSHARE_BASIC") begin:Predictor
|
||||
gsharebasic #(`BPRED_SIZE) DirPredictor(.clk, .reset, .StallF, .StallD, .StallE, .StallM, .StallW, .FlushD, .FlushE, .FlushM, .FlushW,
|
||||
.PCNextF, .PCM, .DirPredictionF, .DirPredictionWrongE,
|
||||
.BranchInstrE(InstrClassE[0]), .BranchInstrM(InstrClassM[0]), .PCSrcE);
|
||||
|
||||
end else if (`BPRED_TYPE == "BP_GLOBAL_BASIC") begin:Predictor
|
||||
gsharebasic #(`BPRED_SIZE, "global") DirPredictor(.clk, .reset, .StallF, .StallD, .StallE, .StallM, .StallW, .FlushD, .FlushE, .FlushM, .FlushW,
|
||||
.PCNextF, .PCM, .DirPredictionF, .DirPredictionWrongE,
|
||||
.BranchInstrE(InstrClassE[0]), .BranchInstrM(InstrClassM[0]), .PCSrcE);
|
||||
|
||||
end else if (`BPRED_TYPE == "BPLOCALPAg") begin:Predictor
|
||||
// *** Fix me
|
||||
|
||||
@ -28,7 +28,8 @@
|
||||
|
||||
`include "wally-config.vh"
|
||||
|
||||
module gshare #(parameter k = 10) (
|
||||
module gshare #(parameter k = 10,
|
||||
parameter string TYPE = "gshare") (
|
||||
input logic clk,
|
||||
input logic reset,
|
||||
input logic StallF, StallD, StallE, StallM, StallW,
|
||||
@ -36,28 +37,60 @@ module gshare #(parameter k = 10) (
|
||||
output logic [1:0] DirPredictionF,
|
||||
output logic DirPredictionWrongE,
|
||||
// update
|
||||
input logic [`XLEN-1:0] PCNextF, PCM,
|
||||
input logic BranchInstrE, BranchInstrM, PCSrcE
|
||||
input logic [`XLEN-1:0] PCNextF, PCF, PCD, PCE, PCM,
|
||||
input logic BranchInstrF, BranchInstrD, BranchInstrE, BranchInstrM, PCSrcE
|
||||
);
|
||||
|
||||
logic [k-1:0] IndexNextF, IndexE;
|
||||
logic [1:0] DirPredictionD, DirPredictionE;
|
||||
logic MatchF, MatchD, MatchE, MatchM;
|
||||
logic MatchNextX, MatchXF;
|
||||
|
||||
logic [1:0] TableDirPredictionF, DirPredictionD, DirPredictionE, ForwardNewDirPrediction, ForwardDirPredictionF;
|
||||
logic [1:0] NewDirPredictionE, NewDirPredictionM;
|
||||
|
||||
logic [k-1:0] GHRF, GHRD, GHRE, GHRM, GHR;
|
||||
logic [k-1:0] GHRNext;
|
||||
logic [k-1:0] IndexNextF, IndexF, IndexD, IndexE, IndexM;
|
||||
|
||||
logic [k-1:0] GHRF, GHRD, GHRE, GHRM;
|
||||
logic [k-1:0] GHRNextM, GHRNextF;
|
||||
logic PCSrcM;
|
||||
|
||||
assign IndexNextF = GHR ^ {PCNextF[k+1] ^ PCNextF[1], PCNextF[k:2]};
|
||||
assign IndexE = GHRM ^ {PCM[k+1] ^ PCM[1], PCM[k:2]};
|
||||
if(TYPE == "gshare") begin
|
||||
assign IndexNextF = GHRNextF ^ {PCNextF[k+1] ^ PCNextF[1], PCNextF[k:2]};
|
||||
assign IndexF = GHRF ^ {PCF[k+1] ^ PCF[1], PCF[k:2]};
|
||||
assign IndexD = GHRD ^ {PCD[k+1] ^ PCD[1], PCD[k:2]};
|
||||
assign IndexE = GHRE ^ {PCE[k+1] ^ PCE[1], PCE[k:2]};
|
||||
assign IndexM = GHRM ^ {PCM[k+1] ^ PCM[1], PCM[k:2]};
|
||||
end else if(TYPE == "global") begin
|
||||
assign IndexNextF = {PCNextF[k+1] ^ PCNextF[1], PCNextF[k:2]};
|
||||
assign IndexF = {PCF[k+1] ^ PCF[1], PCF[k:2]};
|
||||
assign IndexD = {PCD[k+1] ^ PCD[1], PCD[k:2]};
|
||||
assign IndexE = {PCE[k+1] ^ PCE[1], PCE[k:2]};
|
||||
assign IndexM = {PCM[k+1] ^ PCM[1], PCM[k:2]};
|
||||
end
|
||||
|
||||
assign MatchF = BranchInstrF & ~FlushD & (IndexNextF == IndexF);
|
||||
assign MatchD = BranchInstrD & ~FlushE & (IndexNextF == IndexD);
|
||||
assign MatchE = BranchInstrE & ~FlushM & (IndexNextF == IndexE);
|
||||
assign MatchM = BranchInstrM & ~FlushW & (IndexNextF == IndexM);
|
||||
assign MatchNextX = MatchF | MatchD | MatchE | MatchM;
|
||||
|
||||
flopenr #(1) MatchReg(clk, reset, ~StallF, MatchNextX, MatchXF);
|
||||
|
||||
assign ForwardNewDirPrediction = MatchF ? {2{DirPredictionF[1]}} :
|
||||
MatchD ? {2{DirPredictionD[1]}} :
|
||||
MatchE ? {NewDirPredictionE} :
|
||||
NewDirPredictionM ;
|
||||
|
||||
flopenr #(2) ForwardDirPredicitonReg(clk, reset, ~StallF, ForwardNewDirPrediction, ForwardDirPredictionF);
|
||||
|
||||
assign DirPredictionF = MatchXF ? ForwardDirPredictionF : TableDirPredictionF;
|
||||
|
||||
ram2p1r1wbe #(2**k, 2) PHT(.clk(clk),
|
||||
.ce1(~StallF), .ce2(~StallM & ~FlushM),
|
||||
.ra1(IndexNextF),
|
||||
.rd1(DirPredictionF),
|
||||
.wa2(IndexE),
|
||||
.rd1(TableDirPredictionF),
|
||||
.wa2(IndexM),
|
||||
.wd2(NewDirPredictionM),
|
||||
.we2(BranchInstrM & ~StallW & ~FlushW),
|
||||
.we2(BranchInstrM),
|
||||
.bwe2(1'b1));
|
||||
|
||||
flopenrc #(2) PredictionRegD(clk, reset, FlushD, ~StallD, DirPredictionF, DirPredictionD);
|
||||
@ -68,14 +101,14 @@ module gshare #(parameter k = 10) (
|
||||
|
||||
assign DirPredictionWrongE = PCSrcE != DirPredictionE[1] & BranchInstrE;
|
||||
|
||||
assign GHRNext = BranchInstrM ? {PCSrcM, GHR[k-1:1]} : GHR;
|
||||
flopenr #(k) GHRReg(clk, reset, ~StallM & ~FlushM & BranchInstrM, GHRNext, GHR);
|
||||
assign GHRNextF = BranchInstrF ? {DirPredictionF[1], GHRF[k-1:1]} : GHRF;
|
||||
assign GHRF = BranchInstrD ? {DirPredictionD[1], GHRD[k-1:1]} : GHRD;
|
||||
assign GHRD = BranchInstrE ? {PCSrcE, GHRE[k-1:1]} : GHRE;
|
||||
assign GHRE = BranchInstrM ? {PCSrcM, GHRM[k-1:1]} : GHRM;
|
||||
|
||||
assign GHRNextM = {PCSrcM, GHRM[k-1:1]};
|
||||
|
||||
flopenr #(k) GHRReg(clk, reset, ~StallW & ~FlushW & BranchInstrM, GHRNextM, GHRM);
|
||||
flopenrc #(1) PCSrcMReg(clk, reset, FlushM, ~StallM, PCSrcE, PCSrcM);
|
||||
|
||||
flopenrc #(k) GHRFReg(clk, reset, FlushD, ~StallF, GHR, GHRF);
|
||||
flopenrc #(k) GHRDReg(clk, reset, FlushD, ~StallD, GHRF, GHRD);
|
||||
flopenrc #(k) GHREReg(clk, reset, FlushE, ~StallE, GHRD, GHRE);
|
||||
flopenrc #(k) GHRMReg(clk, reset, FlushM, ~StallM, GHRE, GHRM);
|
||||
|
||||
|
||||
endmodule
|
||||
|
||||
@ -28,7 +28,8 @@
|
||||
|
||||
`include "wally-config.vh"
|
||||
|
||||
module gshareForward #(parameter k = 10) (
|
||||
module gsharebasic #(parameter k = 10,
|
||||
parameter string TYPE = "global") (
|
||||
input logic clk,
|
||||
input logic reset,
|
||||
input logic StallF, StallD, StallE, StallM, StallW,
|
||||
@ -36,54 +37,33 @@ module gshareForward #(parameter k = 10) (
|
||||
output logic [1:0] DirPredictionF,
|
||||
output logic DirPredictionWrongE,
|
||||
// update
|
||||
input logic [`XLEN-1:0] PCNextF, PCF, PCD, PCE, PCM,
|
||||
input logic BranchInstrF, BranchInstrD, BranchInstrE, BranchInstrM, PCSrcE
|
||||
input logic [`XLEN-1:0] PCNextF, PCM,
|
||||
input logic BranchInstrE, BranchInstrM, PCSrcE
|
||||
);
|
||||
|
||||
logic MatchF, MatchD, MatchE, MatchM;
|
||||
logic MatchNextX, MatchXF;
|
||||
|
||||
logic [1:0] TableDirPredictionF, DirPredictionD, DirPredictionE, ForwardNewDirPrediction, ForwardDirPredictionF;
|
||||
logic [k-1:0] IndexNextF, IndexE;
|
||||
logic [1:0] DirPredictionD, DirPredictionE;
|
||||
logic [1:0] NewDirPredictionE, NewDirPredictionM;
|
||||
|
||||
|
||||
logic [k-1:0] IndexNextF, IndexF, IndexD, IndexE, IndexM;
|
||||
|
||||
logic [k-1:0] GHRF, GHRD, GHRE, GHRM, GHR;
|
||||
logic [k-1:0] GHRNext, GHRNextF;
|
||||
logic [k-1:0] GHRNext;
|
||||
logic PCSrcM;
|
||||
|
||||
assign IndexNextF = GHRNextF ^ {PCNextF[k+1] ^ PCNextF[1], PCNextF[k:2]};
|
||||
|
||||
assign IndexF = GHRF ^ {PCF[k+1] ^ PCF[1], PCF[k:2]};
|
||||
assign IndexD = GHRD ^ {PCD[k+1] ^ PCD[1], PCD[k:2]};
|
||||
assign IndexE = GHRE ^ {PCE[k+1] ^ PCE[1], PCE[k:2]};
|
||||
assign IndexM = GHRM ^ {PCM[k+1] ^ PCM[1], PCM[k:2]};
|
||||
|
||||
assign MatchF = BranchInstrF & ~FlushD & (IndexNextF == IndexF);
|
||||
assign MatchD = BranchInstrD & ~FlushE & (IndexNextF == IndexD);
|
||||
assign MatchE = BranchInstrE & ~FlushM & (IndexNextF == IndexE);
|
||||
assign MatchM = BranchInstrM & ~FlushW & (IndexNextF == IndexM);
|
||||
assign MatchNextX = MatchF | MatchD | MatchE | MatchM;
|
||||
|
||||
flopenr #(1) MatchReg(clk, reset, ~StallF, MatchNextX, MatchXF);
|
||||
|
||||
assign ForwardNewDirPrediction = MatchF ? {2{DirPredictionF[1]}} :
|
||||
MatchD ? {2{DirPredictionD[1]}} :
|
||||
MatchE ? {NewDirPredictionE} :
|
||||
NewDirPredictionM ;
|
||||
if(TYPE == "gshare") begin
|
||||
assign IndexNextF = GHR ^ {PCNextF[k+1] ^ PCNextF[1], PCNextF[k:2]};
|
||||
assign IndexE = GHRM ^ {PCM[k+1] ^ PCM[1], PCM[k:2]};
|
||||
end else if(TYPE == "global") begin
|
||||
assign IndexNextF = {PCNextF[k+1] ^ PCNextF[1], PCNextF[k:2]};
|
||||
assign IndexE = {PCM[k+1] ^ PCM[1], PCM[k:2]};
|
||||
end
|
||||
|
||||
flopenr #(2) ForwardDirPredicitonReg(clk, reset, ~StallF, ForwardNewDirPrediction, ForwardDirPredictionF);
|
||||
|
||||
assign DirPredictionF = MatchXF ? ForwardDirPredictionF : TableDirPredictionF;
|
||||
|
||||
ram2p1r1wbe #(2**k, 2) PHT(.clk(clk),
|
||||
.ce1(~StallF), .ce2(~StallM & ~FlushM),
|
||||
.ra1(IndexNextF),
|
||||
.rd1(TableDirPredictionF),
|
||||
.wa2(IndexM),
|
||||
.rd1(DirPredictionF),
|
||||
.wa2(IndexE),
|
||||
.wd2(NewDirPredictionM),
|
||||
.we2(BranchInstrM),
|
||||
.we2(BranchInstrM & ~StallW & ~FlushW),
|
||||
.bwe2(1'b1));
|
||||
|
||||
flopenrc #(2) PredictionRegD(clk, reset, FlushD, ~StallD, DirPredictionF, DirPredictionD);
|
||||
@ -94,15 +74,14 @@ module gshareForward #(parameter k = 10) (
|
||||
|
||||
assign DirPredictionWrongE = PCSrcE != DirPredictionE[1] & BranchInstrE;
|
||||
|
||||
assign GHRNextF = BranchInstrF ? {DirPredictionF[1], GHRF[k-1:1]} : GHRF;
|
||||
assign GHRF = BranchInstrD ? {DirPredictionD[1], GHRD[k-1:1]} : GHRD;
|
||||
assign GHRD = BranchInstrE ? {PCSrcE, GHRE[k-1:1]} : GHRE;
|
||||
assign GHRE = BranchInstrM ? {PCSrcM, GHRM[k-1:1]} : GHRM;
|
||||
|
||||
assign GHRNext = BranchInstrM ? {PCSrcM, GHR[k-1:1]} : GHR;
|
||||
assign GHRM = GHR;
|
||||
|
||||
flopenr #(k) GHRReg(clk, reset, ~StallW & ~FlushW & BranchInstrM, GHRNext, GHR);
|
||||
flopenr #(k) GHRReg(clk, reset, ~StallM & ~FlushM & BranchInstrM, GHRNext, GHR);
|
||||
flopenrc #(1) PCSrcMReg(clk, reset, FlushM, ~StallM, PCSrcE, PCSrcM);
|
||||
|
||||
flopenrc #(k) GHRFReg(clk, reset, FlushD, ~StallF, GHR, GHRF);
|
||||
flopenrc #(k) GHRDReg(clk, reset, FlushD, ~StallD, GHRF, GHRD);
|
||||
flopenrc #(k) GHREReg(clk, reset, FlushE, ~StallE, GHRD, GHRE);
|
||||
flopenrc #(k) GHRMReg(clk, reset, FlushM, ~StallM, GHRE, GHRM);
|
||||
|
||||
|
||||
endmodule
|
||||
Loading…
Reference in New Issue
Block a user