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Merge pull request #300 from ross144/main

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Local history predictor and performance counter fixes
This commit is contained in:
David Harris 2023-05-24 11:21:40 -07:00 committed by GitHub
commit 4ea8910f40
22 changed files with 608 additions and 360 deletions
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30
benchmarks/coremark/riscv64-baremetal/syscalls.c
View File

@ -84,6 +84,11 @@ void setStats(int enable)
READ_CTR(mhpmcounter10);
READ_CTR(mhpmcounter11);
READ_CTR(mhpmcounter12);
READ_CTR(mhpmcounter13);
READ_CTR(mhpmcounter14);
READ_CTR(mhpmcounter15);
READ_CTR(mhpmcounter16);
READ_CTR(mhpmcounter17);
#undef READ_CTR
}
@ -167,18 +172,21 @@ void _init(int cid, int nc)
counters[12] = read_csr(mhpmcounter12) - counters[12];
counters[13] = read_csr(mhpmcounter13) - counters[13];
counters[14] = read_csr(mhpmcounter14) - counters[14];
counters[15] = read_csr(mhpmcounter15) - counters[15];
counters[16] = read_csr(mhpmcounter16) - counters[16];
counters[17] = read_csr(mhpmcounter17) - counters[17];
ee_printf("Load Stalls %d\n", counters[3]);
ee_printf("D-Cache Accesses %d\n", counters[11]);
ee_printf("D-Cache Misses %d\n", counters[12]);
ee_printf("I-Cache Accesses %d\n", counters[13]);
ee_printf("I-Cache Misses %d\n", counters[14]);
ee_printf("Branches %d\n", counters[5]);
ee_printf("Branches Miss Predictions %d\n", counters[4]);
ee_printf("BTB Misses %d\n", counters[6]);
ee_printf("Jump, JAL, JALR %d\n", counters[7]);
ee_printf("RAS Wrong %d\n", counters[8]);
ee_printf("Returns %d\n", counters[9]);
ee_printf("Load Stalls %d\n", counters[11]);
ee_printf("D-Cache Accesses %d\n", counters[13]);
ee_printf("D-Cache Misses %d\n", counters[14]);
ee_printf("I-Cache Accesses %d\n", counters[16]);
ee_printf("I-Cache Misses %d\n", counters[17]);
ee_printf("Branches %d\n", counters[3]);
ee_printf("Branches Miss Predictions %d\n", counters[7]);
ee_printf("BTB Misses %d\n", counters[8]);
ee_printf("Jump and JR %d\n", counters[4]);
ee_printf("RAS Wrong %d\n", counters[9]);
ee_printf("Returns %d\n", counters[5]);
ee_printf("BP Class Wrong %d\n", counters[10]);
ee_printf("Done printing performance counters\n");

7
bin/parseHPMC.py
View File

@ -279,12 +279,13 @@ if(sys.argv[1] == '-b'):
dct[PredType] = (currSize, currPercent)
print(dct)
fig, axes = plt.subplots()
marker={'twobit' : '^', 'gshare' : 'o', 'global' : 's', 'gshareBasic' : '*', 'globalBasic' : 'x', 'btb': 'x', 'twobitCModel' : 'x', 'gshareCModel' : '*'}
colors={'twobit' : 'black', 'gshare' : 'blue', 'global' : 'dodgerblue', 'gshareBasic' : 'turquoise', 'globalBasic' : 'lightsteelblue', 'btb' : 'blue', 'twobitCModel' : 'gray', 'gshareCModel' : 'dodgerblue'}
marker={'twobit' : '^', 'gshare' : 'o', 'global' : 's', 'gshareBasic' : '*', 'globalBasic' : 'x', 'btb': 'x', 'twobitCModel' : 'x', 'gshareCModel' : '*', 'tenlocal' : '.', 'eightlocal' : ',', 'fourlocal' : 'x', 'tenlocalahead' : '.', 'eightlocalahead' : ',', 'fourlocalahead' : 'x', 'tenlocalrepair' : 'x'}
colors={'twobit' : 'black', 'gshare' : 'blue', 'global' : 'dodgerblue', 'gshareBasic' : 'turquoise', 'globalBasic' : 'lightsteelblue', 'btb' : 'blue', 'twobitCModel' : 'gray', 'gshareCModel' : 'dodgerblue', 'tenlocal' : 'lightblue', 'eightlocal' : 'lightblue', 'fourlocal' : 'lightblue', 'tenlocalahead' : 'lightblue', 'eightlocalahead' : 'lightblue', 'fourlocalahead' : 'lightblue', 'tenlocalrepair' : 'lightblue'}
for cat in dct:
(x, y) = dct[cat]
x=[int(2**int(v)) for v in x]
print(x, y)
#print(x, y)
print(cat)
axes.plot(x,y, color=colors[cat])
axes.scatter(x,y, label=cat, marker=marker[cat], color=colors[cat])
#plt.scatter(x, y, label=cat)

1
config/buildroot/wally-config.vh
View File

@ -132,6 +132,7 @@
`define BPRED_SUPPORTED 1
`define BPRED_TYPE "BP_GSHARE" // BP_GSHARE_BASIC, BP_GLOBAL, BP_GLOBAL_BASIC, BP_TWOBIT
`define BPRED_SIZE 10
`define BPRED_NUM_LHR 6
`define BTB_SIZE 10

1
config/fpga/wally-config.vh
View File

@ -141,6 +141,7 @@
`define BPRED_SUPPORTED 1
`define BPRED_TYPE "BP_GSHARE" // BP_GSHARE_BASIC, BP_GLOBAL, BP_GLOBAL_BASIC, BP_TWOBIT
`define BPRED_SIZE 12
`define BPRED_NUM_LHR 6
`define BTB_SIZE 10

1
config/rv32e/wally-config.vh
View File

@ -136,6 +136,7 @@
`define BPRED_SUPPORTED 0
`define BPRED_TYPE "BP_GSHARE" // BP_GSHARE_BASIC, BP_GLOBAL, BP_GLOBAL_BASIC, BP_TWOBIT
`define BPRED_SIZE 10
`define BPRED_NUM_LHR 6
`define BTB_SIZE 10
`define SVADU_SUPPORTED 0

3
config/rv32gc/wally-config.vh
View File

@ -133,8 +133,9 @@
`define PLIC_UART_ID 10
`define BPRED_SUPPORTED 1
`define BPRED_TYPE "BP_GSHARE" // BP_GSHARE_BASIC, BP_GLOBAL, BP_GLOBAL_BASIC, BP_TWOBIT
`define BPRED_TYPE "BP_GSHARE" // "BP_LOCAL_REPAIR" // BP_GSHARE_BASIC, BP_GLOBAL, BP_GLOBAL_BASIC, BP_TWOBIT
`define BPRED_SIZE 16
`define BPRED_NUM_LHR 8
`define BTB_SIZE 10
`define SVADU_SUPPORTED 1

1
config/rv32i/wally-config.vh
View File

@ -136,6 +136,7 @@
`define BPRED_SUPPORTED 0
`define BPRED_TYPE "BP_GSHARE" // BP_GSHARE_BASIC, BP_GLOBAL, BP_GLOBAL_BASIC, BP_TWOBIT
`define BPRED_SIZE 10
`define BPRED_NUM_LHR 6
`define BTB_SIZE 10
`define SVADU_SUPPORTED 0

1
config/rv32imc/wally-config.vh
View File

@ -135,6 +135,7 @@
`define BPRED_SUPPORTED 0
`define BPRED_TYPE "BP_GSHARE" // BP_GSHARE_BASIC, BP_GLOBAL, BP_GLOBAL_BASIC, BP_TWOBIT
`define BPRED_SIZE 10
`define BPRED_NUM_LHR 6
`define BTB_SIZE 10
`define SVADU_SUPPORTED 0

1
config/rv64fpquad/wally-config.vh
View File

@ -138,6 +138,7 @@
`define BPRED_SUPPORTED 1
`define BPRED_TYPE "BP_GSHARE" // BP_GSHARE_BASIC, BP_GLOBAL, BP_GLOBAL_BASIC, BP_TWOBIT
`define BPRED_SIZE 10
`define BPRED_NUM_LHR 6
`define BTB_SIZE 10
`define SVADU_SUPPORTED 0

6
config/rv64gc/wally-config.vh
View File

@ -136,8 +136,10 @@
`define PLIC_UART_ID 10
`define BPRED_SUPPORTED 1
`define BPRED_TYPE "BP_GSHARE" // BP_GSHARE_BASIC, BP_GLOBAL, BP_GLOBAL_BASIC, BP_TWOBIT
`define BPRED_SIZE 10
//`define BPRED_TYPE "BP_GLOBAL_BASIC" // BP_GSHARE_BASIC, BP_GLOBAL, BP_GLOBAL_BASIC, BP_TWOBIT
`define BPRED_TYPE "BP_GSHARE" // "BP_LOCAL_REPAIR" // BP_GSHARE_BASIC, BP_GLOBAL, BP_GLOBAL_BASIC, BP_TWOBIT
`define BPRED_SIZE 6
`define BPRED_NUM_LHR 4
`define BTB_SIZE 10
`define SVADU_SUPPORTED 1

1
config/rv64i/wally-config.vh
View File

@ -138,6 +138,7 @@
`define BPRED_SUPPORTED 0
`define BPRED_TYPE "BP_GSHARE" // BP_GSHARE_BASIC, BP_GLOBAL, BP_GLOBAL_BASIC, BP_TWOBIT
`define BPRED_SIZE 10
`define BPRED_NUM_LHR 6
`define BTB_SIZE 10
`define SVADU_SUPPORTED 0

33
sim/bpred-sim.py
View File

@ -46,18 +46,33 @@ configs = [
)
]
# bpdSize = [6, 8, 10, 12, 14, 16]
# bpdType = ['twobit', 'gshare', 'global', 'gshare_basic', 'global_basic', 'local_basic']
# for CurrBPType in bpdType:
# for CurrBPSize in bpdSize:
# name = CurrBPType+str(CurrBPSize)
# configOptions = "+define+INSTR_CLASS_PRED=0 +define+BPRED_TYPE=\"BP_" + CurrBPType.upper() + "\" +define+BPRED_SIZE=" + str(CurrBPSize)
# tc = TestCase(
# name=name,
# variant="rv32gc",
# cmd="vsim > {} -c <<!\ndo wally-batch.do rv32gc configOptions " + name + " embench " + configOptions,
# grepstr="")
# configs.append(tc)
bpdSize = [6, 8, 10, 12, 14, 16]
bpdType = ['twobit', 'gshare', 'global', 'gshare_basic', 'global_basic']
LHRSize = [4, 8, 10]
bpdType = ['local_repair']
for CurrBPType in bpdType:
for CurrBPSize in bpdSize:
name = CurrBPType+str(CurrBPSize)
configOptions = "+define+INSTR_CLASS_PRED=0 +define+BPRED_TYPE=\"BP_" + CurrBPType.upper() + "\" +define+BPRED_SIZE=" + str(CurrBPSize)
tc = TestCase(
name=name,
variant="rv32gc",
cmd="vsim > {} -c <<!\ndo wally-batch.do rv32gc configOptions " + name + " embench " + configOptions,
grepstr="")
configs.append(tc)
for CurrLHRSize in LHRSize:
name = str(CurrLHRSize)+CurrBPType+str(CurrBPSize)
configOptions = "+define+INSTR_CLASS_PRED=0 +define+BPRED_TYPE=\"BP_" + CurrBPType.upper() + "\" +define+BPRED_SIZE=" + str(CurrBPSize) + " +define+BPRED_NUM_LHR=" + str(CurrLHRSize) + " "
tc = TestCase(
name=name,
variant="rv32gc",
cmd="vsim > {} -c <<!\ndo wally-batch.do rv32gc configOptions " + name + " embench " + configOptions,
grepstr="")
configs.append(tc)
import os
from multiprocessing import Pool, TimeoutError

335
sim/wave.do
View File

@ -6,12 +6,6 @@ add wave -noupdate /testbench/reset
add wave -noupdate /testbench/reset_ext
add wave -noupdate /testbench/memfilename
add wave -noupdate /testbench/dut/core/SATP_REGW
add wave -noupdate /testbench/FunctionName/FunctionName/PCD
add wave -noupdate /testbench/FunctionName/FunctionName/PCE
add wave -noupdate /testbench/FunctionName/FunctionName/PCF
add wave -noupdate /testbench/FunctionName/FunctionName/PCM
add wave -noupdate /testbench/FunctionName/FunctionName/PCM_temp
add wave -noupdate /testbench/FunctionName/FunctionName/PCMOld
add wave -noupdate /testbench/dut/core/InstrValidM
add wave -noupdate /testbench/FunctionName/FunctionName/FunctionAddr
add wave -noupdate /testbench/FunctionName/FunctionName/ProgramAddrIndex
@ -38,15 +32,16 @@ add wave -noupdate -group HDU -expand -group traps /testbench/dut/core/priv/priv
add wave -noupdate -group HDU -expand -group traps /testbench/dut/core/priv/priv/trap/LoadPageFaultM
add wave -noupdate -group HDU -expand -group traps /testbench/dut/core/priv/priv/trap/StoreAmoPageFaultM
add wave -noupdate -group HDU -expand -group traps /testbench/dut/core/priv/priv/trap/InterruptM
add wave -noupdate -group HDU -expand -group Flush -color Yellow /testbench/dut/core/FlushD
add wave -noupdate -group HDU -expand -group Flush -color Yellow /testbench/dut/core/FlushE
add wave -noupdate -group HDU -expand -group Flush -color Yellow /testbench/dut/core/FlushM
add wave -noupdate -group HDU -expand -group Flush -color Yellow /testbench/dut/core/FlushW
add wave -noupdate -group HDU -expand -group Stall -color Orange /testbench/dut/core/StallF
add wave -noupdate -group HDU -expand -group Stall -color Orange /testbench/dut/core/StallD
add wave -noupdate -group HDU -expand -group Stall -color Orange /testbench/dut/core/StallE
add wave -noupdate -group HDU -expand -group Stall -color Orange /testbench/dut/core/StallM
add wave -noupdate -group HDU -expand -group Stall -color Orange /testbench/dut/core/StallW
add wave -noupdate -group HDU -expand -group traps /testbench/dut/core/priv/priv/trap/HPTWInstrAccessFaultM
add wave -noupdate -group HDU -group Flush -color Yellow /testbench/dut/core/FlushD
add wave -noupdate -group HDU -group Flush -color Yellow /testbench/dut/core/FlushE
add wave -noupdate -group HDU -group Flush -color Yellow /testbench/dut/core/FlushM
add wave -noupdate -group HDU -group Flush -color Yellow /testbench/dut/core/FlushW
add wave -noupdate -group HDU -group Stall -color Orange /testbench/dut/core/StallF
add wave -noupdate -group HDU -group Stall -color Orange /testbench/dut/core/StallD
add wave -noupdate -group HDU -group Stall -color Orange /testbench/dut/core/StallE
add wave -noupdate -group HDU -group Stall -color Orange /testbench/dut/core/StallM
add wave -noupdate -group HDU -group Stall -color Orange /testbench/dut/core/StallW
add wave -noupdate -group {instruction pipeline} /testbench/InstrFName
add wave -noupdate -group {instruction pipeline} /testbench/dut/core/ifu/PostSpillInstrRawF
add wave -noupdate -group {instruction pipeline} /testbench/dut/core/ifu/InstrD
@ -66,10 +61,10 @@ add wave -noupdate -group {Decode Stage} /testbench/dut/core/ieu/c/RegWriteD
add wave -noupdate -group {Decode Stage} /testbench/dut/core/ieu/dp/RdD
add wave -noupdate -group {Decode Stage} /testbench/dut/core/ieu/dp/Rs1D
add wave -noupdate -group {Decode Stage} /testbench/dut/core/ieu/dp/Rs2D
add wave -noupdate -group {Execution Stage} /testbench/dut/core/ifu/PCE
add wave -noupdate -group {Execution Stage} /testbench/dut/core/ifu/InstrE
add wave -noupdate -group {Execution Stage} /testbench/InstrEName
add wave -noupdate -group {Execution Stage} /testbench/dut/core/ieu/c/InstrValidE
add wave -noupdate -expand -group {Execution Stage} /testbench/dut/core/ifu/PCE
add wave -noupdate -expand -group {Execution Stage} /testbench/dut/core/ifu/InstrE
add wave -noupdate -expand -group {Execution Stage} /testbench/InstrEName
add wave -noupdate -expand -group {Execution Stage} /testbench/dut/core/ieu/c/InstrValidE
add wave -noupdate -expand -group {Memory Stage} /testbench/FunctionName/FunctionName/FunctionName
add wave -noupdate -expand -group {Memory Stage} /testbench/dut/core/InstrValidM
add wave -noupdate -expand -group {Memory Stage} /testbench/dut/core/PCM
@ -99,9 +94,9 @@ add wave -noupdate -group CSRs /testbench/dut/core/priv/priv/csr/STVEC_REGW
add wave -noupdate -group CSRs -group {user mode} /testbench/dut/core/priv/priv/csr/csru/csru/FRM_REGW
add wave -noupdate -group CSRs -group {user mode} /testbench/dut/core/priv/priv/csr/csru/csru/FFLAGS_REGW
add wave -noupdate -group CSRs -group {user mode} /testbench/dut/core/priv/priv/csr/csru/csru/STATUS_FS
add wave -noupdate -group Bpred -group {branch update selection inputs} -divider {class check}
add wave -noupdate -group Bpred -group prediction /testbench/dut/core/ifu/bpred/bpred/RASPCF
add wave -noupdate -group Bpred -group prediction -expand -group ex /testbench/dut/core/ifu/bpred/bpred/PCSrcE
add wave -noupdate -expand -group Bpred -expand -group {branch update selection inputs} -divider {class check}
add wave -noupdate -expand -group Bpred -group prediction /testbench/dut/core/ifu/bpred/bpred/RASPCF
add wave -noupdate -expand -group Bpred -group prediction -expand -group ex /testbench/dut/core/ifu/bpred/bpred/PCSrcE
add wave -noupdate -group {PCNext Generation} /testbench/dut/core/ifu/PCNextF
add wave -noupdate -group {PCNext Generation} /testbench/dut/core/ifu/bpred/bpred/NextValidPCE
add wave -noupdate -group {PCNext Generation} /testbench/dut/core/ifu/PCF
@ -120,8 +115,8 @@ add wave -noupdate -group RegFile -group {write regfile mux} /testbench/dut/core
add wave -noupdate -group RegFile -group {write regfile mux} /testbench/dut/core/ieu/dp/ResultW
add wave -noupdate -group alu /testbench/dut/core/ieu/dp/alu/A
add wave -noupdate -group alu /testbench/dut/core/ieu/dp/alu/B
add wave -noupdate -group alu /testbench/dut/core/ieu/dp/alu/Result
add wave -noupdate -group alu /testbench/dut/core/ieu/dp/alu/ALUControl
add wave -noupdate -group alu /testbench/dut/core/ieu/dp/alu/ALUResult
add wave -noupdate -group alu /testbench/dut/core/ieu/dp/alu/BALUControl
add wave -noupdate -group alu -divider internals
add wave -noupdate -group Forward /testbench/dut/core/ieu/fw/Rs1D
add wave -noupdate -group Forward /testbench/dut/core/ieu/fw/Rs2D
@ -152,23 +147,24 @@ add wave -noupdate -group AHB -expand -group multicontroller /testbench/dut/core
add wave -noupdate -group AHB -expand -group multicontroller /testbench/dut/core/ebu/ebu/LSUDisable
add wave -noupdate -group AHB -expand -group multicontroller /testbench/dut/core/ebu/ebu/IFUSelect
add wave -noupdate -group AHB -expand -group multicontroller /testbench/dut/core/ebu/ebu/LSUSelect
add wave -noupdate -group AHB -expand -group multicontroller /testbench/dut/core/ebu/ebu/ebufsmarb/CurrState
add wave -noupdate -group AHB /testbench/dut/core/ebu/ebu/HTRANS
add wave -noupdate -group AHB /testbench/dut/core/ebu/ebu/HBURST
add wave -noupdate -group AHB -expand -group IFU /testbench/dut/core/ebu/ebu/IFUHTRANS
add wave -noupdate -group AHB -expand -group IFU /testbench/dut/core/ebu/ebu/IFUHADDR
add wave -noupdate -group AHB -expand -group IFU /testbench/dut/core/ebu/ebu/IFUHBURST
add wave -noupdate -group AHB -expand -group IFU /testbench/dut/core/ebu/ebu/IFUHREADY
add wave -noupdate -group AHB -expand -group IFU /testbench/dut/core/HRDATA
add wave -noupdate -group AHB -expand -group LSU /testbench/dut/core/ebu/ebu/LSUReq
add wave -noupdate -group AHB -expand -group LSU /testbench/dut/core/ebu/ebu/LSUHTRANS
add wave -noupdate -group AHB -expand -group LSU /testbench/dut/core/ebu/ebu/LSUHSIZE
add wave -noupdate -group AHB -expand -group LSU /testbench/dut/core/ebu/ebu/LSUHBURST
add wave -noupdate -group AHB -expand -group LSU /testbench/dut/core/ebu/ebu/LSUHADDR
add wave -noupdate -group AHB -expand -group LSU /testbench/dut/core/HRDATA
add wave -noupdate -group AHB -expand -group LSU /testbench/dut/core/ebu/ebu/LSUHWRITE
add wave -noupdate -group AHB -expand -group LSU /testbench/dut/core/ebu/ebu/LSUHWSTRB
add wave -noupdate -group AHB -expand -group LSU /testbench/dut/core/ebu/ebu/LSUHWDATA
add wave -noupdate -group AHB -expand -group LSU -color Pink /testbench/dut/core/lsu/LSUHREADY
add wave -noupdate -group AHB -group IFU /testbench/dut/core/ebu/ebu/IFUHTRANS
add wave -noupdate -group AHB -group IFU /testbench/dut/core/ebu/ebu/IFUHADDR
add wave -noupdate -group AHB -group IFU /testbench/dut/core/ebu/ebu/IFUHBURST
add wave -noupdate -group AHB -group IFU /testbench/dut/core/ebu/ebu/IFUHREADY
add wave -noupdate -group AHB -group IFU /testbench/dut/core/HRDATA
add wave -noupdate -group AHB -group LSU /testbench/dut/core/ebu/ebu/LSUReq
add wave -noupdate -group AHB -group LSU /testbench/dut/core/ebu/ebu/LSUHTRANS
add wave -noupdate -group AHB -group LSU /testbench/dut/core/ebu/ebu/LSUHSIZE
add wave -noupdate -group AHB -group LSU /testbench/dut/core/ebu/ebu/LSUHBURST
add wave -noupdate -group AHB -group LSU /testbench/dut/core/ebu/ebu/LSUHADDR
add wave -noupdate -group AHB -group LSU /testbench/dut/core/HRDATA
add wave -noupdate -group AHB -group LSU /testbench/dut/core/ebu/ebu/LSUHWRITE
add wave -noupdate -group AHB -group LSU /testbench/dut/core/ebu/ebu/LSUHWSTRB
add wave -noupdate -group AHB -group LSU /testbench/dut/core/ebu/ebu/LSUHWDATA
add wave -noupdate -group AHB -group LSU -color Pink /testbench/dut/core/lsu/LSUHREADY
add wave -noupdate -group AHB /testbench/dut/core/ebu/ebu/HCLK
add wave -noupdate -group AHB /testbench/dut/core/ebu/ebu/HRESETn
add wave -noupdate -group AHB /testbench/dut/core/ebu/ebu/HREADY
@ -210,12 +206,12 @@ add wave -noupdate -group lsu -group dcache /testbench/dut/core/lsu/bus/dcache/d
add wave -noupdate -group lsu -group dcache /testbench/dut/core/lsu/bus/dcache/dcache/SelAdr
add wave -noupdate -group lsu -group dcache /testbench/dut/core/lsu/IEUAdrE
add wave -noupdate -group lsu -group dcache /testbench/dut/core/lsu/IEUAdrM
add wave -noupdate -group lsu -group dcache /testbench/dut/core/lsu/bus/dcache/dcache/CAdr
add wave -noupdate -group lsu -group dcache /testbench/dut/core/lsu/bus/dcache/dcache/CacheSet
add wave -noupdate -group lsu -group dcache {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[0]/ClearDirtyWay}
add wave -noupdate -group lsu -group dcache {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[0]/Dirty}
add wave -noupdate -group lsu -group dcache -group {replacement policy} /testbench/dut/core/lsu/bus/dcache/dcache/vict/cacheLRU/HitWay
add wave -noupdate -group lsu -group dcache -group {replacement policy} /testbench/dut/core/lsu/bus/dcache/dcache/vict/cacheLRU/LRUWriteEn
add wave -noupdate -group lsu -group dcache -group {replacement policy} /testbench/dut/core/lsu/bus/dcache/dcache/vict/cacheLRU/CAdr
add wave -noupdate -group lsu -group dcache -group {replacement policy} /testbench/dut/core/lsu/bus/dcache/dcache/vict/cacheLRU/CacheSet
add wave -noupdate -group lsu -group dcache -group {replacement policy} -color {Orange Red} {/testbench/dut/core/lsu/bus/dcache/dcache/vict/cacheLRU/LRUMemory[0]}
add wave -noupdate -group lsu -group dcache -group {replacement policy} /testbench/dut/core/lsu/bus/dcache/dcache/vict/cacheLRU/CurrLRU
add wave -noupdate -group lsu -group dcache -group {replacement policy} /testbench/dut/core/lsu/bus/dcache/dcache/vict/cacheLRU/NextLRU
@ -235,7 +231,7 @@ add wave -noupdate -group lsu -group dcache -group flush /testbench/dut/core/lsu
add wave -noupdate -group lsu -group dcache -group Victim /testbench/dut/core/lsu/bus/dcache/dcache/VictimWay
add wave -noupdate -group lsu -group dcache -group Victim /testbench/dut/core/lsu/bus/dcache/dcache/SelAdr
add wave -noupdate -group lsu -group dcache -group Victim /testbench/dut/core/lsu/bus/dcache/dcache/vict/cacheLRU/PAdr
add wave -noupdate -group lsu -group dcache -group Victim /testbench/dut/core/lsu/bus/dcache/dcache/CAdr
add wave -noupdate -group lsu -group dcache -group Victim /testbench/dut/core/lsu/bus/dcache/dcache/CacheSet
add wave -noupdate -group lsu -group dcache -group Victim /testbench/dut/core/lsu/bus/dcache/dcache/vict/cacheLRU/NextLRU
add wave -noupdate -group lsu -group dcache -group Victim /testbench/dut/core/lsu/bus/dcache/dcache/vict/cacheLRU/CurrLRU
add wave -noupdate -group lsu -group dcache -group Victim /testbench/dut/core/lsu/bus/dcache/dcache/vict/cacheLRU/LRUWriteEn
@ -252,60 +248,59 @@ add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way0 -label TAG {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[0]/CacheTagMem/RAM}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way0 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[0]/ValidBits}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way0 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[0]/DirtyBits}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way0 -group Way0Word0 -expand {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[0]/word[0]/CacheDataMem/RAM}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way0 -group Way0Word0 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[0]/word[0]/CacheDataMem/we}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way0 -group Way0Word1 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[0]/word[1]/CacheDataMem/RAM}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way0 -group Way0Word1 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[0]/word[1]/CacheDataMem/we}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way0 -group Way0Word2 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[0]/word[2]/CacheDataMem/we}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way0 -group Way0Word2 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[0]/word[2]/CacheDataMem/RAM[62]}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way0 -group Way0Word2 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[0]/word[2]/CacheDataMem/RAM}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way0 -group Way0Word3 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[0]/word[3]/CacheDataMem/we}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way0 -group Way0Word3 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[0]/word[3]/CacheDataMem/RAM}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way0 -group Way0Word0 -expand {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[0]/word[0]/wordram/CacheDataMem/RAM}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way0 -group Way0Word0 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[0]/word[0]/wordram/CacheDataMem/we}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way0 -group Way0Word1 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[0]/word[1]/wordram/CacheDataMem/RAM}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way0 -group Way0Word1 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[0]/word[1]/wordram/CacheDataMem/we}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way0 -group Way0Word2 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[0]/word[2]/wordram/CacheDataMem/we}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way0 -group Way0Word2 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[0]/word[2]/wordram/CacheDataMem/RAM[62]}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way0 -group Way0Word2 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[0]/word[2]/wordram/CacheDataMem/RAM}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way0 -group Way0Word3 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[0]/word[3]/wordram/CacheDataMem/we}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way0 -group Way0Word3 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[0]/word[3]/wordram/CacheDataMem/RAM}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way1 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[1]/SelectedWriteWordEn}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way1 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[1]/SetValidWay}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way1 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[1]/SetDirtyWay}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way1 -label TAG {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[1]/CacheTagMem/RAM}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way1 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[1]/ValidBits}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way1 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[1]/DirtyBits}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way1 -group Way1Word0 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[1]/word[0]/CacheDataMem/RAM}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way1 -group Way1Word0 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[1]/word[0]/CacheDataMem/we}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way1 -group Way1Word1 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[1]/word[1]/CacheDataMem/RAM}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way1 -group Way1Word1 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[1]/word[1]/CacheDataMem/we}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way1 -group Way1Word2 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[1]/word[2]/CacheDataMem/we}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way1 -group Way1Word2 -expand {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[1]/word[2]/CacheDataMem/RAM}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way1 -group Way1Word3 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[1]/word[3]/CacheDataMem/we}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way1 -group Way1Word3 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[1]/word[3]/CacheDataMem/RAM}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way1 -group Way1Word0 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[1]/word[0]/wordram/CacheDataMem/RAM}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way1 -group Way1Word0 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[1]/word[0]/wordram/CacheDataMem/we}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way1 -group Way1Word1 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[1]/word[1]/wordram/CacheDataMem/RAM}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way1 -group Way1Word1 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[1]/word[1]/wordram/CacheDataMem/we}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way1 -group Way1Word2 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[1]/word[2]/wordram/CacheDataMem/we}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way1 -group Way1Word2 -expand {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[1]/word[2]/wordram/CacheDataMem/RAM}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way1 -group Way1Word3 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[1]/word[3]/wordram/CacheDataMem/we}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way1 -group Way1Word3 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[1]/word[3]/wordram/CacheDataMem/RAM}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way2 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[2]/SelectedWriteWordEn}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way2 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[2]/SetValidWay}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way2 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[2]/SetDirtyWay}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way2 -label TAG {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[2]/CacheTagMem/RAM}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way2 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[2]/ValidBits}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way2 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[2]/DirtyBits}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way2 -group Way2Word0 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[2]/word[0]/CacheDataMem/RAM}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way2 -group Way2Word0 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[2]/word[0]/CacheDataMem/we}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way2 -group Way2Word1 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[2]/word[1]/CacheDataMem/RAM}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way2 -group Way2Word1 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[2]/word[1]/CacheDataMem/we}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way2 -group Way2Word2 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[2]/word[2]/CacheDataMem/we}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way2 -group Way2Word2 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[2]/word[2]/CacheDataMem/RAM}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way2 -group Way2Word3 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[2]/word[3]/CacheDataMem/we}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way2 -group Way2Word3 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[2]/word[3]/CacheDataMem/RAM}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way2 -group Way2Word0 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[2]/word[0]/wordram/CacheDataMem/RAM}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way2 -group Way2Word0 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[2]/word[0]/wordram/CacheDataMem/we}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way2 -group Way2Word1 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[2]/word[1]/wordram/CacheDataMem/RAM}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way2 -group Way2Word1 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[2]/word[1]/wordram/CacheDataMem/we}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way2 -group Way2Word2 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[2]/word[2]/wordram/CacheDataMem/we}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way2 -group Way2Word2 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[2]/word[2]/wordram/CacheDataMem/RAM}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way2 -group Way2Word3 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[2]/word[3]/wordram/CacheDataMem/we}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way2 -group Way2Word3 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[2]/word[3]/wordram/CacheDataMem/RAM}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way3 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[3]/SelectedWriteWordEn}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way3 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[3]/SetValidWay}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way3 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[3]/SetDirtyWay}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way3 -label TAG {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[3]/CacheTagMem/RAM}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way3 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[3]/ValidBits}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way3 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[3]/DirtyBits}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way3 -group Way3Word0 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[3]/word[0]/CacheDataMem/RAM}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way3 -group Way3Word0 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[3]/word[0]/CacheDataMem/we}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way3 -group Way3Word1 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[3]/word[1]/CacheDataMem/RAM}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way3 -group Way3Word1 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[3]/word[1]/CacheDataMem/we}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way3 -group Way3Word2 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[3]/word[2]/CacheDataMem/we}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way3 -group Way3Word2 -expand {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[3]/word[2]/CacheDataMem/RAM}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way3 -group Way3Word3 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[3]/word[3]/CacheDataMem/we}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way3 -group Way3Word3 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[3]/word[3]/CacheDataMem/RAM}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -group valid/dirty /testbench/dut/core/lsu/bus/dcache/dcache/ClearValid
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way3 -group Way3Word0 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[3]/word[0]/wordram/CacheDataMem/RAM}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way3 -group Way3Word0 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[3]/word[0]/wordram/CacheDataMem/we}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way3 -group Way3Word1 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[3]/word[1]/wordram/CacheDataMem/RAM}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way3 -group Way3Word1 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[3]/word[1]/wordram/CacheDataMem/we}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way3 -group Way3Word2 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[3]/word[2]/wordram/CacheDataMem/we}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way3 -group Way3Word2 -expand {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[3]/word[2]/wordram/CacheDataMem/RAM}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way3 -group Way3Word3 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[3]/word[3]/wordram/CacheDataMem/we}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -expand -group way3 -group Way3Word3 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[3]/word[3]/wordram/CacheDataMem/RAM}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM writes} -group valid/dirty /testbench/dut/core/lsu/bus/dcache/dcache/ClearDirty
add wave -noupdate -group lsu -group dcache -group {Cache SRAM read} /testbench/dut/core/lsu/bus/dcache/dcache/CAdr
add wave -noupdate -group lsu -group dcache -group {Cache SRAM read} /testbench/dut/core/lsu/bus/dcache/dcache/CacheSet
add wave -noupdate -group lsu -group dcache -group {Cache SRAM read} -group way0 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[0]/HitWay}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM read} -group way0 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[0]/ValidWay}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM read} -group way0 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[0]/Dirty}
@ -323,14 +318,7 @@ add wave -noupdate -group lsu -group dcache -group {Cache SRAM read} -group way3
add wave -noupdate -group lsu -group dcache -group {Cache SRAM read} -group way3 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[3]/Dirty}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM read} -group way3 {/testbench/dut/core/lsu/bus/dcache/dcache/CacheWays[3]/ReadTag}
add wave -noupdate -group lsu -group dcache -group {Cache SRAM read} /testbench/dut/core/lsu/bus/dcache/dcache/HitWay
add wave -noupdate -group lsu -group dcache -group {CPU side} /testbench/dut/core/lsu/bus/dcache/dcache/NextAdr
add wave -noupdate -group lsu -group dcache -group {CPU side} /testbench/dut/core/lsu/bus/dcache/dcache/PAdr
add wave -noupdate -group lsu -group dcache -group {CPU side} /testbench/dut/core/lsu/bus/dcache/dcache/FlushCache
add wave -noupdate -group lsu -group dcache -group {CPU side} /testbench/dut/core/lsu/bus/dcache/dcache/CacheStall
add wave -noupdate -group lsu -group dcache -group {CPU side} /testbench/dut/core/lsu/ReadDataWordM
add wave -noupdate -group lsu -group dcache -group {CPU side} /testbench/dut/core/lsu/bus/dcache/dcache/CacheWriteData
add wave -noupdate -group lsu -group dcache -group status /testbench/dut/core/lsu/bus/dcache/dcache/HitWay
add wave -noupdate -group lsu -group dcache -group status -color {Medium Orchid} /testbench/dut/core/lsu/bus/dcache/dcache/CacheHit
add wave -noupdate -group lsu -group dcache -group {CPU side} /testbench/dut/core/lsu/bus/dcache/dcache/NextSet
add wave -noupdate -group lsu -group dcache -group {Memory Side} /testbench/dut/core/lsu/bus/dcache/dcache/CacheBusAdr
add wave -noupdate -group lsu -group dcache -group {Memory Side} /testbench/dut/core/lsu/bus/dcache/dcache/CacheBusAck
add wave -noupdate -group lsu -group dcache -group {Memory Side} /testbench/dut/core/lsu/bus/dcache/dcache/ReadDataWord
@ -362,22 +350,27 @@ add wave -noupdate -group lsu -group pma /testbench/dut/core/lsu/dmmu/dmmu/PMASt
add wave -noupdate -group lsu -group pmp /testbench/dut/core/lsu/dmmu/dmmu/PMPInstrAccessFaultF
add wave -noupdate -group lsu -group pmp /testbench/dut/core/lsu/dmmu/dmmu/PMPLoadAccessFaultM
add wave -noupdate -group lsu -group pmp /testbench/dut/core/lsu/dmmu/dmmu/PMPStoreAmoAccessFaultM
add wave -noupdate -group lsu -expand -group ptwalker /testbench/dut/core/lsu/VIRTMEM_SUPPORTED/hptw/DTLBWalk
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/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/hptw/hptw/SelHPTW
add wave -noupdate -group lsu -expand -group ptwalker /testbench/dut/core/lsu/hptw/hptw/HPTWStall
add wave -noupdate -group lsu -expand -group ptwalker /testbench/dut/core/lsu/hptw/hptw/DTLBWalk
add wave -noupdate -group lsu -expand -group ptwalker -color Gold /testbench/dut/core/lsu/hptw/hptw/WalkerState
add wave -noupdate -group lsu -expand -group ptwalker /testbench/dut/core/lsu/hptw/hptw/HPTWAdr
add wave -noupdate -group lsu -expand -group ptwalker /testbench/dut/core/lsu/hptw/hptw/PTE
add wave -noupdate -group lsu -expand -group ptwalker /testbench/dut/core/lsu/hptw/hptw/NextPageType
add wave -noupdate -group lsu -expand -group ptwalker /testbench/dut/core/lsu/hptw/hptw/PageType
add wave -noupdate -group lsu -expand -group ptwalker /testbench/dut/core/lsu/hptw/hptw/ValidNonLeafPTE
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
add wave -noupdate -group lsu -expand -group ptwalker -expand -group types /testbench/dut/core/lsu/VIRTMEM_SUPPORTED/hptw/DTLBWriteM
add wave -noupdate -group lsu -expand -group ptwalker -expand -group faults /testbench/dut/core/lsu/VIRTMEM_SUPPORTED/hptw/LSULoadAccessFaultM
add wave -noupdate -group lsu -expand -group ptwalker -expand -group faults /testbench/dut/core/lsu/VIRTMEM_SUPPORTED/hptw/LSUStoreAmoAccessFaultM
add wave -noupdate -group lsu -expand -group ptwalker -expand -group faults /testbench/dut/core/lsu/VIRTMEM_SUPPORTED/hptw/HPTWInstrAccessFaultM
add wave -noupdate -group lsu -expand -group ptwalker -expand -group faults /testbench/dut/core/lsu/VIRTMEM_SUPPORTED/hptw/LoadAccessFaultM
add wave -noupdate -group lsu -expand -group ptwalker -expand -group faults /testbench/dut/core/lsu/VIRTMEM_SUPPORTED/hptw/StoreAmoAccessFaultM
add wave -noupdate -group lsu -expand -group ptwalker -expand -group types /testbench/dut/core/lsu/hptw/hptw/ITLBWriteF
add wave -noupdate -group lsu -expand -group ptwalker -expand -group types /testbench/dut/core/lsu/hptw/hptw/DTLBWriteM
add wave -noupdate -group lsu -expand -group ptwalker -expand -group faults /testbench/dut/core/lsu/hptw/hptw/LSUAccessFaultM
add wave -noupdate -group lsu -expand -group ptwalker -expand -group faults /testbench/dut/core/lsu/hptw/hptw/DCacheStallM
add wave -noupdate -group lsu -expand -group ptwalker -expand -group faults /testbench/dut/core/lsu/hptw/hptw/HPTWInstrAccessFaultF
add wave -noupdate -group lsu -expand -group ptwalker -expand -group faults /testbench/dut/core/lsu/hptw/hptw/LSULoadAccessFaultM
add wave -noupdate -group lsu -expand -group ptwalker -expand -group faults /testbench/dut/core/lsu/hptw/hptw/LSUStoreAmoAccessFaultM
add wave -noupdate -group lsu -expand -group ptwalker -expand -group faults /testbench/dut/core/lsu/hptw/hptw/LoadAccessFaultM
add wave -noupdate -group lsu -expand -group ptwalker -expand -group faults /testbench/dut/core/lsu/hptw/hptw/StoreAmoAccessFaultM
add wave -noupdate -group lsu -expand -group ptwalker -expand -group faults /testbench/dut/core/lsu/hptw/hptw/HPTWInstrAccessFault
add wave -noupdate -group plic /testbench/dut/uncore/uncore/plic/plic/UARTIntr
add wave -noupdate -group plic /testbench/dut/uncore/uncore/plic/plic/GPIOIntr
add wave -noupdate -group plic /testbench/dut/uncore/uncore/plic/plic/MExtInt
@ -396,9 +389,9 @@ add wave -noupdate -group plic -expand -group internals /testbench/dut/uncore/un
add wave -noupdate -group plic -expand -group internals /testbench/dut/uncore/uncore/plic/plic/max_priority_with_irqs
add wave -noupdate -group plic -expand -group internals /testbench/dut/uncore/uncore/plic/plic/irqs_at_max_priority
add wave -noupdate -group plic -expand -group internals /testbench/dut/uncore/uncore/plic/plic/threshMask
add wave -noupdate -group GPIO /testbench/dut/uncore/uncore/gpio/gpio/GPIOPinsIn
add wave -noupdate -group GPIO /testbench/dut/uncore/uncore/gpio/gpio/GPIOPinsOut
add wave -noupdate -group GPIO /testbench/dut/uncore/uncore/gpio/gpio/GPIOPinsEn
add wave -noupdate -group GPIO /testbench/dut/uncore/uncore/gpio/gpio/GPIOIN
add wave -noupdate -group GPIO /testbench/dut/uncore/uncore/gpio/gpio/GPIOOUT
add wave -noupdate -group GPIO /testbench/dut/uncore/uncore/gpio/gpio/GPIOEN
add wave -noupdate -group GPIO /testbench/dut/uncore/uncore/gpio/gpio/GPIOIntr
add wave -noupdate -group GPIO /testbench/dut/uncore/uncore/gpio/gpio/PSEL
add wave -noupdate -group GPIO /testbench/dut/uncore/uncore/gpio/gpio/PADDR
@ -462,7 +455,7 @@ add wave -noupdate -group ifu /testbench/dut/core/ifu/PostSpillInstrRawF
add wave -noupdate -group ifu /testbench/dut/core/ifu/IFUStallF
add wave -noupdate -group ifu -group Spill /testbench/dut/core/ifu/Spill/spill/CurrState
add wave -noupdate -group ifu -group Spill -expand -group takespill /testbench/dut/core/ifu/Spill/spill/SpillF
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/IFUCacheBusStallF
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 bus /testbench/dut/core/ifu/bus/icache/ahbcacheinterface/HSIZE
@ -483,54 +476,38 @@ add wave -noupdate -group ifu -expand -group icache -expand -group {fsm out and
add wave -noupdate -group ifu -expand -group icache -expand -group memory /testbench/dut/core/ifu/bus/icache/icache/CacheBusAdr
add wave -noupdate -group ifu -expand -group icache -expand -group memory /testbench/dut/core/ifu/bus/icache/icache/cachefsm/CacheBusAck
add wave -noupdate -group ifu -expand -group icache /testbench/dut/core/ifu/bus/icache/icache/VictimWay
add wave -noupdate -group ifu -expand -group icache -group way3 -group way3word0 {/testbench/dut/core/ifu/bus/icache/icache/CacheWays[3]/word[0]/CacheDataMem/bwe}
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add wave -noupdate -group ifu -group itlb /testbench/dut/core/ifu/ITLBMissF
add wave -noupdate -group ifu -group itlb /testbench/dut/core/ifu/immu/immu/VAdr
@ -556,21 +533,21 @@ add wave -noupdate -group ifu -group itlb -expand -group key19 {/testbench/dut/c
add wave -noupdate -expand -group {Performance Counters} -label MCYCLE -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[0]}
add wave -noupdate -expand -group {Performance Counters} -label MINSTRET -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[2]}
add wave -noupdate -expand -group {Performance Counters} -expand -group BP -label Branch -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[3]}
add wave -noupdate -expand -group {Performance Counters} -expand -group BP -label {BP Dir Wrong} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[7]}
add wave -noupdate -expand -group {Performance Counters} -expand -group BP -label {Jump (Not Return)} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[4]}
add wave -noupdate -expand -group {Performance Counters} -expand -group BP -label Return -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[5]}
add wave -noupdate -expand -group {Performance Counters} -expand -group BP -label {BP Wrong} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[6]}
add wave -noupdate -expand -group {Performance Counters} -expand -group BP -label {BP Dir Wrong} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[7]}
add wave -noupdate -expand -group {Performance Counters} -expand -group BP -label {BTA Wrong} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[8]}
add wave -noupdate -expand -group {Performance Counters} -expand -group BP -label {RAS Wrong} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[9]}
add wave -noupdate -expand -group {Performance Counters} -expand -group BP -label {BP CLASS WRONG} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[10]}
add wave -noupdate -expand -group {Performance Counters} -group ICACHE -label {I Cache Access} {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[16]}
add wave -noupdate -expand -group {Performance Counters} -group ICACHE -label {I Cache Miss} {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[17]}
add wave -noupdate -expand -group {Performance Counters} -group ICACHE -label {I Cache Miss Cycles} {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[18]}
add wave -noupdate -expand -group {Performance Counters} -group DCACHE -label {Load Stall} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[11]}
add wave -noupdate -expand -group {Performance Counters} -group DCACHE -label {Store Stall} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[12]}
add wave -noupdate -expand -group {Performance Counters} -group DCACHE -label {DCACHE MISS} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[14]}
add wave -noupdate -expand -group {Performance Counters} -group DCACHE -label {DCACHE ACCESS} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[13]}
add wave -noupdate -expand -group {Performance Counters} -group DCACHE -label {D Cache Miss Cycles} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[15]}
add wave -noupdate -expand -group {Performance Counters} -expand -group ICACHE -label {I Cache Access} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[16]}
add wave -noupdate -expand -group {Performance Counters} -expand -group ICACHE -label {I Cache Miss} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[17]}
add wave -noupdate -expand -group {Performance Counters} -expand -group ICACHE -label {I Cache Miss Cycles} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[18]}
add wave -noupdate -expand -group {Performance Counters} -expand -group DCACHE -label {Load Stall} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[11]}
add wave -noupdate -expand -group {Performance Counters} -expand -group DCACHE -label {Store Stall} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[12]}
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[14]}
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[13]}
add wave -noupdate -expand -group {Performance Counters} -expand -group DCACHE -label {D Cache Miss Cycles} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[15]}
add wave -noupdate -expand -group {Performance Counters} -group Privileged -label {CSR Write} {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[19]}
add wave -noupdate -expand -group {Performance Counters} -group Privileged -label Fence.I {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[20]}
add wave -noupdate -expand -group {Performance Counters} -group Privileged -label sfence.VMA {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[21]}
@ -609,34 +586,31 @@ add wave -noupdate -group uncore /testbench/dut/uncore/uncore/HSELNoneD
add wave -noupdate -group uncore /testbench/dut/uncore/uncore/HSELPLICD
add wave -noupdate -group uncore /testbench/dut/uncore/uncore/HRDATA
add wave -noupdate /testbench/dut/core/ifu/bpred/bpred/rd
add wave -noupdate -group {branch direction} /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/IndexNextF
add wave -noupdate -group {branch direction} -expand -group {branch outcome} /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/PCSrcE
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/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/GHRF
add wave -noupdate /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/PCNextF
add wave -noupdate /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/GHRNextF
add wave -noupdate /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/IndexNextF
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
add wave -noupdate /testbench/clk
add wave -noupdate /testbench/HPMCSample/InitialHPMCOUNTERH
add wave -noupdate /testbench/HPMCSample/EndSample
add wave -noupdate /testbench/HPMCSample/StartSample
add wave -noupdate /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/LHRNextF
add wave -noupdate /testbench/dut/core/ifu/PCF
add wave -noupdate /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/LHRF
add wave -noupdate /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/LHRD
add wave -noupdate /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/LHRE
add wave -noupdate /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/LHRM
add wave -noupdate -label BHT /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/BHT/mem
add wave -noupdate /testbench/reset
add wave -noupdate /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/BPDirPredD
add wave -noupdate /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/PCW
add wave -noupdate /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/BranchM
add wave -noupdate /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/LHRNextW
add wave -noupdate /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/NewBPDirPredM
add wave -noupdate /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/LHRF
add wave -noupdate /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/LHRCommittedF
TreeUpdate [SetDefaultTree]
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
WaveRestoreCursors {{Cursor 4} {12208 ns} 1} {{Cursor 4} {30 ns} 0}
quietly wave cursor active 2
configure wave -namecolwidth 250
configure wave -valuecolwidth 194
configure wave -justifyvalue left
@ -651,4 +625,3 @@ configure wave -griddelta 40
configure wave -timeline 0
configure wave -timelineunits ns
update
WaveRestoreZoom {0 ns} {52 ns}

2
src/cache/cacheLRU.sv vendored
View File

@ -113,7 +113,7 @@ module cacheLRU
// The root node of the LRU tree will always be selected in LRUUpdate. No mux needed.
assign NextLRU[NUMWAYS-2] = ~WayExpanded[NUMWAYS-2];
mux2 #(1) LRUMuxes[NUMWAYS-3:0](CurrLRU[NUMWAYS-3:0], ~WayExpanded[NUMWAYS-3:0], LRUUpdate[NUMWAYS-3:0], NextLRU[NUMWAYS-3:0]);
if (NUMWAYS > 2) mux2 #(1) LRUMuxes[NUMWAYS-3:0](CurrLRU[NUMWAYS-3:0], ~WayExpanded[NUMWAYS-3:0], LRUUpdate[NUMWAYS-3:0], NextLRU[NUMWAYS-3:0]);
// Compute next victim way.
for(node = NUMWAYS-2; node >= NUMWAYS/2; node--) begin

28
src/ifu/bpred/bpred.sv
View File

@ -127,19 +127,21 @@ module bpred (
.PCNextF, .PCM, .BPDirPredF, .BPDirPredWrongE,
.BranchE, .BranchM, .PCSrcE);
end else if (`BPRED_TYPE == "BPLOCALPAg") begin:Predictor
// *** Fix me
/* -----\/----- EXCLUDED -----\/-----
localHistoryPredictor DirPredictor(.clk,
.reset, .StallF, .StallE,
.LookUpPC(PCNextF),
.Prediction(BPDirPredF),
// update
.UpdatePC(PCE),
.UpdateEN(InstrClassE[0] & ~StallE),
.PCSrcE,
.UpdatePrediction(InstrClassE[0]));
-----/\----- EXCLUDED -----/\----- */
end else if (`BPRED_TYPE == "BP_LOCAL_BASIC") begin:Predictor
localbpbasic #(`BPRED_NUM_LHR, `BPRED_SIZE) DirPredictor(.clk, .reset,
.StallF, .StallD, .StallE, .StallM, .StallW, .FlushD, .FlushE, .FlushM, .FlushW,
.PCNextF, .PCM, .BPDirPredF, .BPDirPredWrongE,
.BranchE, .BranchM, .PCSrcE);
end else if (`BPRED_TYPE == "BP_LOCAL_AHEAD") begin:Predictor
localaheadbp #(`BPRED_NUM_LHR, `BPRED_SIZE) DirPredictor(.clk, .reset,
.StallF, .StallD, .StallE, .StallM, .StallW, .FlushD, .FlushE, .FlushM, .FlushW,
.PCNextF, .PCM, .BPDirPredD(BPDirPredF), .BPDirPredWrongE,
.BranchE, .BranchM, .PCSrcE);
end else if (`BPRED_TYPE == "BP_LOCAL_REPAIR") begin:Predictor
localrepairbp #(`BPRED_NUM_LHR, `BPRED_SIZE) DirPredictor(.clk, .reset,
.StallF, .StallD, .StallE, .StallM, .StallW, .FlushD, .FlushE, .FlushM, .FlushW,
.PCNextF, .PCE, .PCM, .BPDirPredD(BPDirPredF), .BPDirPredWrongE,
.BranchD, .BranchE, .BranchM, .PCSrcE);
end
// Part 2 Branch target address prediction

130
src/ifu/bpred/localHistoryPredictor.sv
View File

@ -1,130 +0,0 @@
///////////////////////////////////////////
// locallHistoryPredictor.sv
//
// Written: Shreya Sanghai
// Email: ssanghai@hmc.edu
// Created: March 16, 2021
// Modified:
//
// Purpose: Global History Branch predictor with parameterized global history register
//
// A component of the CORE-V-WALLY configurable RISC-V project.
//
// Copyright (C) 2021-23 Harvey Mudd College & Oklahoma State University
//
// SPDX-License-Identifier: Apache-2.0 WITH SHL-2.1
//
// Licensed under the Solderpad Hardware License v 2.1 (the “License”); you may not use this file
// except in compliance with the License, or, at your option, the Apache License version 2.0. You
// may obtain a copy of the License at
//
// https://solderpad.org/licenses/SHL-2.1/
//
// Unless required by applicable law or agreed to in writing, any work distributed under the
// License is distributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
// either express or implied. See the License for the specific language governing permissions
// and limitations under the License.
////////////////////////////////////////////////////////////////////////////////////////////////
`include "wally-config.vh"
module localHistoryPredictor #(parameter m = 6, // 2^m = number of local history branches
k = 10) ( // number of past branches stored
input logic clk,
input logic reset,
input logic StallF, StallE,
input logic [`XLEN-1:0] LookUpPC,
output logic [1:0] Prediction,
// update
input logic [`XLEN-1:0] UpdatePC,
input logic UpdateEN, PCSrcE,
input logic [1:0] UpdatePrediction
);
logic [2**m-1:0][k-1:0] LHRNextF;
logic [k-1:0] LHRF, ForwardLHRNext, LHRFNext;
logic [m-1:0] LookUpPCIndex, UpdatePCIndex;
logic [1:0] PredictionMemory;
logic DoForwarding, DoForwardingF, DoForwardingPHT, DoForwardingPHTF;
logic [1:0] UpdatePredictionF;
assign LHRFNext = {PCSrcE, LHRF[k-1:1]};
assign UpdatePCIndex = {UpdatePC[m+1] ^ UpdatePC[1], UpdatePC[m:2]};
assign LookUpPCIndex = {LookUpPC[m+1] ^ LookUpPC[1], LookUpPC[m:2]};
// INCASE we do ahead pipelining
// ram2p1r1wb #(m,k) LHR(.clk(clk)),
// .reset(reset),
// .RA1(LookUpPCIndex), // need hashing function to get correct PC address
// .RD1(LHRF),
// .REN1(~StallF),
// .WA1(UpdatePCIndex),
// .WD1(LHRENExt),
// .WEN1(UpdateEN),
// .BitWEN1(2'b11));
genvar index;
for (index = 0; index < 2**m; index = index +1) begin:localhist
flopenr #(k) LocalHistoryRegister(.clk, .reset, .en(UpdateEN & (index == UpdatePCIndex)),
.d(LHRFNext), .q(LHRNextF[index]));
end
// need to forward when updating to the same address as reading.
// first we compare to see if the update and lookup addreses are the same
assign DoForwarding = LookUpPCIndex == UpdatePCIndex;
assign ForwardLHRNext = DoForwarding ? LHRFNext :LHRNextF[LookUpPCIndex];
// Make Prediction by reading the correct address in the PHT and also update the new address in the PHT
// LHR referes to the address that the past k branches points to in the prediction stage
// LHRE refers to the address that the past k branches points to in the exectution stage
ram2p1r1wb #(k, 2) PHT(.clk(clk),
.reset(reset),
.ra1(ForwardLHRNext),
.rd1(PredictionMemory),
.ren1(~StallF),
.wa2(LHRFNext),
.wd2(UpdatePrediction),
.wen2(UpdateEN),
.bwe2(2'b11));
assign DoForwardingPHT = LHRFNext == ForwardLHRNext;
// register the update value and the forwarding signal into the Fetch stage
// TODO: add stall logic ***
flopr #(1) DoForwardingReg(.clk(clk),
.reset(reset),
.d(DoForwardingPHT),
.q(DoForwardingPHTF));
flopr #(2) UpdatePredictionReg(.clk(clk),
.reset(reset),
.d(UpdatePrediction),
.q(UpdatePredictionF));
assign Prediction = DoForwardingPHTF ? UpdatePredictionF : PredictionMemory;
//pipeline for LHR
flopenrc #(k) LHRFReg(.clk(clk),
.reset(reset),
.en(~StallF),
.clear(1'b0),
.d(ForwardLHRNext),
.q(LHRF));
/*
flopenrc #(k) LHRDReg(.clk(clk),
.reset(reset),
.en(~StallD),
.clear(FlushD),
.d(LHRF),
.q(LHRD));
flopenrc #(k) LHREReg(.clk(clk),
.reset(reset),
.en(~StallE),
.clear(FlushE),
.d(LHRD),
.q(LHRE));
*/
endmodule

115
src/ifu/bpred/localaheadbp.sv Normal file
View File

@ -0,0 +1,115 @@
///////////////////////////////////////////
// localaheadbp
//
// Written: Ross Thompson
// Email: ross1728@gmail.com
// Created: 16 March 2021
//
// Purpose: local history branch predictor with ahead pipelining and SRAM memories.
//
// A component of the CORE-V-WALLY configurable RISC-V project.
//
// Copyright (C) 2021-23 Harvey Mudd College & Oklahoma State University
//
// SPDX-License-Identifier: Apache-2.0 WITH SHL-2.1
//
// Licensed under the Solderpad Hardware License v 2.1 (the “License”); you may not use this file
// except in compliance with the License, or, at your option, the Apache License version 2.0. You
// may obtain a copy of the License at
//
// https://solderpad.org/licenses/SHL-2.1/
//
// Unless required by applicable law or agreed to in writing, any work distributed under the
// License is distributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
// either express or implied. See the License for the specific language governing permissions
// and limitations under the License.
////////////////////////////////////////////////////////////////////////////////////////////////
`include "wally-config.vh"
module localaheadbp #(parameter m = 6, // 2^m = number of local history branches
parameter k = 10) ( // number of past branches stored
input logic clk,
input logic reset,
input logic StallF, StallD, StallE, StallM, StallW,
input logic FlushD, FlushE, FlushM, FlushW,
output logic [1:0] BPDirPredD,
output logic BPDirPredWrongE,
// update
input logic [`XLEN-1:0] PCNextF, PCM,
input logic BranchE, BranchM, PCSrcE
);
logic [k-1:0] IndexNextF, IndexM;
//logic [1:0] BPDirPredD, BPDirPredE;
logic [1:0] BPDirPredE;
logic [1:0] BPDirPredM;
logic [1:0] NewBPDirPredE, NewBPDirPredM, NewBPDirPredW;
logic [k-1:0] LHRF, LHRD, LHRE, LHRM, LHRW, LHRNextF;
logic [k-1:0] LHRNextW;
logic PCSrcM;
logic [2**m-1:0][k-1:0] LHRArray;
logic [m-1:0] IndexLHRNextF, IndexLHRM;
logic [`XLEN-1:0] PCW;
logic UpdateM;
//assign IndexNextF = LHR;
assign IndexM = LHRW;
ram2p1r1wbe #(2**k, 2) PHT(.clk(clk),
.ce1(~StallD), .ce2(~StallW & ~FlushW),
.ra1(LHRF),
.rd1(BPDirPredD),
.wa2(IndexM),
.wd2(NewBPDirPredW),
.we2(BranchM),
.bwe2(1'b1));
//flopenrc #(2) PredictionRegD(clk, reset, FlushD, ~StallD, BPDirPredF, BPDirPredD);
flopenrc #(2) PredictionRegE(clk, reset, FlushE, ~StallE, BPDirPredD, BPDirPredE);
flopenrc #(2) PredictionRegM(clk, reset, FlushM, ~StallM, BPDirPredE, BPDirPredM);
satCounter2 BPDirUpdateE(.BrDir(PCSrcE), .OldState(BPDirPredM), .NewState(NewBPDirPredM));
//flopenrc #(2) NewPredictionRegM(clk, reset, FlushM, ~StallM, NewBPDirPredE, NewBPDirPredM);
flopenrc #(2) NewPredictionRegW(clk, reset, FlushW, ~StallW, NewBPDirPredM, NewBPDirPredW);
assign BPDirPredWrongE = PCSrcE != BPDirPredM[1] & BranchE;
// This is the main difference between global and local history basic implementations. In global,
// the ghr wraps back into itself directly without
// being pipelined. I.E. GHR is not read in F and then pipelined to M where it is updated. Instead
// GHR is both read and update in M. GHR is still pipelined so that the PHT is updated with the correct
// GHR. Local history in contrast must pipeline the specific history register read during F and then update
// that same one in M. This implementation does not forward if a branch matches in the D, E, or M stages.
assign LHRNextW = BranchM ? {PCSrcM, LHRW[k-1:1]} : LHRW;
// this is local history
//genvar index;
//assign UpdateM = BranchM & ~StallW & ~FlushW;
assign IndexLHRM = {PCW[m+1] ^ PCW[1], PCW[m:2]};
assign IndexLHRNextF = {PCNextF[m+1] ^ PCNextF[1], PCNextF[m:2]};
ram2p1r1wbe #(2**m, k) BHT(.clk(clk),
.ce1(~StallF), .ce2(~StallW & ~FlushW),
.ra1(IndexLHRNextF),
.rd1(LHRF),
.wa2(IndexLHRM),
.wd2(LHRNextW),
.we2(BranchM),
.bwe2('1));
flopenrc #(1) PCSrcMReg(clk, reset, FlushM, ~StallM, PCSrcE, PCSrcM);
//flopenrc #(k) LHRFReg(clk, reset, FlushD, ~StallF, LHRNextF, LHRF);
//assign LHRF = LHRNextF;
flopenrc #(k) LHRDReg(clk, reset, FlushD, ~StallD, LHRF, LHRD);
flopenrc #(k) LHREReg(clk, reset, FlushE, ~StallE, LHRD, LHRE);
flopenrc #(k) LHRMReg(clk, reset, FlushM, ~StallM, LHRE, LHRM);
flopenrc #(k) LHRWReg(clk, reset, FlushW, ~StallW, LHRM, LHRW);
flopenr #(`XLEN) PCWReg(clk, reset, ~StallW, PCM, PCW);
endmodule

106
src/ifu/bpred/localbpbasic.sv Normal file
View File

@ -0,0 +1,106 @@
///////////////////////////////////////////
// localbpbasic
//
// Written: Ross Thompson
// Email: ross1728@gmail.com
// Created: 16 March 2021
//
// Purpose: Local history branch predictor. Basic implementation without any repair and flop memories.
//
// A component of the CORE-V-WALLY configurable RISC-V project.
//
// Copyright (C) 2021-23 Harvey Mudd College & Oklahoma State University
//
// SPDX-License-Identifier: Apache-2.0 WITH SHL-2.1
//
// Licensed under the Solderpad Hardware License v 2.1 (the “License”); you may not use this file
// except in compliance with the License, or, at your option, the Apache License version 2.0. You
// may obtain a copy of the License at
//
// https://solderpad.org/licenses/SHL-2.1/
//
// Unless required by applicable law or agreed to in writing, any work distributed under the
// License is distributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
// either express or implied. See the License for the specific language governing permissions
// and limitations under the License.
////////////////////////////////////////////////////////////////////////////////////////////////
`include "wally-config.vh"
module localbpbasic #(parameter m = 6, // 2^m = number of local history branches
parameter k = 10) ( // number of past branches stored
input logic clk,
input logic reset,
input logic StallF, StallD, StallE, StallM, StallW,
input logic FlushD, FlushE, FlushM, FlushW,
output logic [1:0] BPDirPredF,
output logic BPDirPredWrongE,
// update
input logic [`XLEN-1:0] PCNextF, PCM,
input logic BranchE, BranchM, PCSrcE
);
logic [k-1:0] IndexNextF, IndexM;
logic [1:0] BPDirPredD, BPDirPredE;
logic [1:0] NewBPDirPredE, NewBPDirPredM;
logic [k-1:0] LHRF, LHRD, LHRE, LHRM, LHR;
logic [k-1:0] LHRNextW;
logic PCSrcM;
logic [2**m-1:0][k-1:0] LHRArray;
logic [m-1:0] IndexLHRNextF, IndexLHRM;
logic UpdateM;
assign IndexNextF = LHR;
assign IndexM = LHRM;
ram2p1r1wbe #(2**k, 2) PHT(.clk(clk),
.ce1(~StallF), .ce2(~StallW & ~FlushW),
.ra1(IndexNextF),
.rd1(BPDirPredF),
.wa2(IndexM),
.wd2(NewBPDirPredM),
.we2(BranchM),
.bwe2(1'b1));
flopenrc #(2) PredictionRegD(clk, reset, FlushD, ~StallD, BPDirPredF, BPDirPredD);
flopenrc #(2) PredictionRegE(clk, reset, FlushE, ~StallE, BPDirPredD, BPDirPredE);
satCounter2 BPDirUpdateE(.BrDir(PCSrcE), .OldState(BPDirPredE), .NewState(NewBPDirPredE));
flopenrc #(2) NewPredictionRegM(clk, reset, FlushM, ~StallM, NewBPDirPredE, NewBPDirPredM);
assign BPDirPredWrongE = PCSrcE != BPDirPredE[1] & BranchE;
// This is the main difference between global and local history basic implementations. In global,
// the ghr wraps back into itself directly without
// being pipelined. I.E. GHR is not read in F and then pipelined to M where it is updated. Instead
// GHR is both read and update in M. GHR is still pipelined so that the PHT is updated with the correct
// GHR. Local history in contrast must pipeline the specific history register read during F and then update
// that same one in M. This implementation does not forward if a branch matches in the D, E, or M stages.
assign LHRNextW = BranchM ? {PCSrcM, LHRM[k-1:1]} : LHRM;
// this is local history
genvar index;
assign UpdateM = BranchM & ~StallW & ~FlushW;
assign IndexLHRM = {PCM[m+1] ^ PCM[1], PCM[m:2]};
for (index = 0; index < 2**m; index = index +1) begin:localhist
flopenr #(k) LocalHistoryRegister(.clk, .reset, .en(UpdateM & (index == IndexLHRM)),
.d(LHRNextW), .q(LHRArray[index]));
end
assign IndexLHRNextF = {PCNextF[m+1] ^ PCNextF[1], PCNextF[m:2]};
assign LHR = LHRArray[IndexLHRNextF];
// this is global history
//flopenr #(k) LHRReg(clk, reset, ~StallM & ~FlushM & BranchM, LHRNextW, LHR);
flopenrc #(1) PCSrcMReg(clk, reset, FlushM, ~StallM, PCSrcE, PCSrcM);
flopenrc #(k) LHRFReg(clk, reset, FlushD, ~StallF, LHR, LHRF);
flopenrc #(k) LHRDReg(clk, reset, FlushD, ~StallD, LHRF, LHRD);
flopenrc #(k) LHREReg(clk, reset, FlushE, ~StallE, LHRD, LHRE);
flopenrc #(k) LHRMReg(clk, reset, FlushM, ~StallM, LHRE, LHRM);
endmodule

136
src/ifu/bpred/localrepairbp.sv Normal file
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@ -0,0 +1,136 @@
///////////////////////////////////////////
// localrepairbp
//
// Written: Ross Thompson
// Email: ross1728@gmail.com
// Created: 15 April 2023
//
// Purpose: Local history branch predictor with speculation and repair using CBH.
//
// A component of the CORE-V-WALLY configurable RISC-V project.
//
// Copyright (C) 2021-23 Harvey Mudd College & Oklahoma State University
//
// SPDX-License-Identifier: Apache-2.0 WITH SHL-2.1
//
// Licensed under the Solderpad Hardware License v 2.1 (the “License”); you may not use this file
// except in compliance with the License, or, at your option, the Apache License version 2.0. You
// may obtain a copy of the License at
//
// https://solderpad.org/licenses/SHL-2.1/
//
// Unless required by applicable law or agreed to in writing, any work distributed under the
// License is distributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
// either express or implied. See the License for the specific language governing permissions
// and limitations under the License.
////////////////////////////////////////////////////////////////////////////////////////////////
`include "wally-config.vh"
module localrepairbp #(parameter m = 6, // 2^m = number of local history branches
parameter k = 10) ( // number of past branches stored
input logic clk,
input logic reset,
input logic StallF, StallD, StallE, StallM, StallW,
input logic FlushD, FlushE, FlushM, FlushW,
output logic [1:0] BPDirPredD,
output logic BPDirPredWrongE,
// update
input logic [`XLEN-1:0] PCNextF, PCE, PCM,
input logic BranchD, BranchE, BranchM, PCSrcE
);
//logic [1:0] BPDirPredD, BPDirPredE;
logic [1:0] BPDirPredE;
logic [1:0] BPDirPredM;
logic [1:0] NewBPDirPredE, NewBPDirPredM, NewBPDirPredW;
logic [k-1:0] LHRF, LHRD, LHRE, LHRM, LHRW, LHRNextF;
logic [k-1:0] LHRNextW;
logic PCSrcM;
logic [2**m-1:0][k-1:0] LHRArray;
logic [m-1:0] IndexLHRNextF, IndexLHRM;
logic [`XLEN-1:0] PCW;
logic [k-1:0] LHRCommittedF, LHRSpeculativeF;
logic [m-1:0] IndexLHRD;
logic [k-1:0] LHRNextE;
logic SpeculativeFlushedF;
ram2p1r1wbe #(2**k, 2) PHT(.clk(clk),
.ce1(~StallD), .ce2(~StallW & ~FlushW),
.ra1(LHRF),
.rd1(BPDirPredD),
.wa2(LHRW),
.wd2(NewBPDirPredW),
.we2(BranchM),
.bwe2(1'b1));
//flopenrc #(2) PredictionRegD(clk, reset, FlushD, ~StallD, BPDirPredF, BPDirPredD);
flopenrc #(2) PredictionRegE(clk, reset, FlushE, ~StallE, BPDirPredD, BPDirPredE);
flopenrc #(2) PredictionRegM(clk, reset, FlushM, ~StallM, BPDirPredE, BPDirPredM);
satCounter2 BPDirUpdateE(.BrDir(PCSrcE), .OldState(BPDirPredM), .NewState(NewBPDirPredM));
//flopenrc #(2) NewPredictionRegM(clk, reset, FlushM, ~StallM, NewBPDirPredE, NewBPDirPredM);
flopenrc #(2) NewPredictionRegW(clk, reset, FlushW, ~StallW, NewBPDirPredM, NewBPDirPredW);
assign BPDirPredWrongE = PCSrcE != BPDirPredM[1] & BranchE;
// This is the main difference between global and local history basic implementations. In global,
// the ghr wraps back into itself directly without
// being pipelined. I.E. GHR is not read in F and then pipelined to M where it is updated. Instead
// GHR is both read and update in M. GHR is still pipelined so that the PHT is updated with the correct
// GHR. Local history in contrast must pipeline the specific history register read during F and then update
// that same one in M. This implementation does not forward if a branch matches in the D, E, or M stages.
assign LHRNextW = BranchM ? {PCSrcM, LHRW[k-1:1]} : LHRW;
// this is local history
assign IndexLHRM = {PCW[m+1] ^ PCW[1], PCW[m:2]};
assign IndexLHRNextF = {PCNextF[m+1] ^ PCNextF[1], PCNextF[m:2]};
ram2p1r1wbe #(2**m, k) BHT(.clk(clk),
.ce1(~StallF), .ce2(~StallW & ~FlushW),
.ra1(IndexLHRNextF),
.rd1(LHRCommittedF),
.wa2(IndexLHRM),
.wd2(LHRNextW),
.we2(BranchM),
.bwe2('1));
assign IndexLHRD = {PCE[m+1] ^ PCE[1], PCE[m:2]};
assign LHRNextE = BranchD ? {BPDirPredD[1], LHRE[k-1:1]} : LHRE;
// *** replace with a small CAM
ram2p1r1wbe #(2**m, k) SHB(.clk(clk),
.ce1(~StallF), .ce2(~StallE & ~FlushE),
.ra1(IndexLHRNextF),
.rd1(LHRSpeculativeF),
.wa2(IndexLHRD),
.wd2(LHRNextE),
.we2(BranchD),
.bwe2('1));
// **** replace with small CAM
logic [2**m-1:0] FlushedBits;
always_ff @(posedge clk) begin // Valid bit array,
SpeculativeFlushedF <= #1 FlushedBits[IndexLHRNextF];
if (reset | FlushD) FlushedBits <= #1 '1;
if(BranchD & ~StallE & ~FlushE) begin
FlushedBits[IndexLHRD] <= #1 '0;
end
end
//assign SpeculativeFlushedF = '1;
mux2 #(k) LHRMux(LHRSpeculativeF, LHRCommittedF, SpeculativeFlushedF, LHRF);
flopenrc #(1) PCSrcMReg(clk, reset, FlushM, ~StallM, PCSrcE, PCSrcM);
//flopenrc #(k) LHRFReg(clk, reset, FlushD, ~StallF, LHRNextF, LHRF);
//assign LHRF = LHRNextF;
flopenrc #(k) LHRDReg(clk, reset, FlushD, ~StallD, LHRF, LHRD);
flopenrc #(k) LHREReg(clk, reset, FlushE, ~StallE, LHRD, LHRE);
flopenrc #(k) LHRMReg(clk, reset, FlushM, ~StallM, LHRE, LHRM);
flopenrc #(k) LHRWReg(clk, reset, FlushW, ~StallW, LHRM, LHRW);
flopenr #(`XLEN) PCWReg(clk, reset, ~StallW, PCM, PCW);
endmodule

4
src/privileged/csrc.sv
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@ -104,8 +104,8 @@ module csrc #(parameter
assign CounterEvent[8] = BTAWrongM & InstrValidNotFlushedM; // branch predictor wrong target
assign CounterEvent[9] = RASPredPCWrongM & InstrValidNotFlushedM; // return address stack wrong address
assign CounterEvent[10] = IClassWrongM & InstrValidNotFlushedM; // instruction class predictor wrong
assign CounterEvent[11] = LoadStallM & InstrValidNotFlushedM; // Load Stalls. don't want to suppress on flush as this only happens if flushed.
assign CounterEvent[12] = StoreStallM & InstrValidNotFlushedM; // Store Stall
assign CounterEvent[11] = LoadStallM; // Load Stalls. don't want to suppress on flush as this only happens if flushed.
assign CounterEvent[12] = StoreStallM; // Store Stall
assign CounterEvent[13] = DCacheAccess & InstrValidNotFlushedM; // data cache access
assign CounterEvent[14] = DCacheMiss; // data cache miss. Miss asserted 1 cycle at start of cache miss
assign CounterEvent[15] = DCacheStallM; // d cache miss cycles

24
testbench/testbench.sv
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@ -28,7 +28,7 @@
`include "wally-config.vh"
`include "tests.vh"
`define PrintHPMCounters 0
`define PrintHPMCounters 1
`define BPRED_LOGGER 0
`define I_CACHE_ADDR_LOGGER 0
`define D_CACHE_ADDR_LOGGER 0
@ -540,15 +540,27 @@ module testbench;
if (`BPRED_SUPPORTED) begin
integer adrindex;
// initialize branch predictor on reset
always @(posedge reset) begin
for(adrindex = 0; adrindex < 2**`BTB_SIZE; adrindex++) begin
dut.core.ifu.bpred.bpred.TargetPredictor.memory.mem[adrindex] = 0;
// local history only
if (`BPRED_TYPE == "BP_LOCAL_AHEAD" | `BPRED_TYPE == "BP_LOCAL_REPAIR") begin
always @(*) begin
if(reset) begin
for(adrindex = 0; adrindex < 2**`BPRED_NUM_LHR; adrindex++) begin
dut.core.ifu.bpred.bpred.Predictor.DirPredictor.BHT.mem[adrindex] = 0;
end
end
end
end
always @(*) begin
if(reset) begin
for(adrindex = 0; adrindex < 2**`BTB_SIZE; adrindex++) begin
force dut.core.ifu.bpred.bpred.TargetPredictor.memory.mem[adrindex] = 0;
end
for(adrindex = 0; adrindex < 2**`BPRED_SIZE; adrindex++) begin
dut.core.ifu.bpred.bpred.Predictor.DirPredictor.PHT.mem[adrindex] = 0;
end
end
end
end
end

2
testbench/tests.vh
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@ -2077,8 +2077,8 @@ string arch64zbs[] = '{
string custom[] = '{
`CUSTOM,
"debug",
"simple",
"debug",
"cacheTest"
};
string testsBP64[] = '{