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-rw-r--r--src/python/m5/objects/FUPool.py6
-rw-r--r--src/python/m5/objects/FuncUnitConfig.py41
-rw-r--r--src/python/m5/objects/O3CPU.py11
3 files changed, 54 insertions, 4 deletions
diff --git a/src/python/m5/objects/FUPool.py b/src/python/m5/objects/FUPool.py
index 4b4be79a6..916183bd7 100644
--- a/src/python/m5/objects/FUPool.py
+++ b/src/python/m5/objects/FUPool.py
@@ -1,6 +1,12 @@
from m5.SimObject import SimObject
from m5.params import *
+from FuncUnit import *
+from FuncUnitConfig import *
class FUPool(SimObject):
type = 'FUPool'
FUList = VectorParam.FUDesc("list of FU's for this pool")
+
+class DefaultFUPool(FUPool):
+ FUList = [ IntALU(), IntMultDiv(), FP_ALU(), FP_MultDiv(), ReadPort(),
+ WritePort(), RdWrPort(), IprPort() ]
diff --git a/src/python/m5/objects/FuncUnitConfig.py b/src/python/m5/objects/FuncUnitConfig.py
new file mode 100644
index 000000000..43d7a4bb7
--- /dev/null
+++ b/src/python/m5/objects/FuncUnitConfig.py
@@ -0,0 +1,41 @@
+from m5.SimObject import SimObject
+from m5.params import *
+from FuncUnit import *
+
+class IntALU(FUDesc):
+ opList = [ OpDesc(opClass='IntAlu') ]
+ count = 6
+
+class IntMultDiv(FUDesc):
+ opList = [ OpDesc(opClass='IntMult', opLat=3),
+ OpDesc(opClass='IntDiv', opLat=20, issueLat=19) ]
+ count=2
+
+class FP_ALU(FUDesc):
+ opList = [ OpDesc(opClass='FloatAdd', opLat=2),
+ OpDesc(opClass='FloatCmp', opLat=2),
+ OpDesc(opClass='FloatCvt', opLat=2) ]
+ count = 4
+
+class FP_MultDiv(FUDesc):
+ opList = [ OpDesc(opClass='FloatMult', opLat=4),
+ OpDesc(opClass='FloatDiv', opLat=12, issueLat=12),
+ OpDesc(opClass='FloatSqrt', opLat=24, issueLat=24) ]
+ count = 2
+
+class ReadPort(FUDesc):
+ opList = [ OpDesc(opClass='MemRead') ]
+ count = 0
+
+class WritePort(FUDesc):
+ opList = [ OpDesc(opClass='MemWrite') ]
+ count = 0
+
+class RdWrPort(FUDesc):
+ opList = [ OpDesc(opClass='MemRead'), OpDesc(opClass='MemWrite') ]
+ count = 4
+
+class IprPort(FUDesc):
+ opList = [ OpDesc(opClass='IprAccess', opLat = 3, issueLat = 3) ]
+ count = 1
+
diff --git a/src/python/m5/objects/O3CPU.py b/src/python/m5/objects/O3CPU.py
index 59b40c6e8..20eef383f 100644
--- a/src/python/m5/objects/O3CPU.py
+++ b/src/python/m5/objects/O3CPU.py
@@ -3,6 +3,7 @@ from m5.proxy import *
from m5 import build_env
from BaseCPU import BaseCPU
from Checker import O3Checker
+from FUPool import *
class DerivO3CPU(BaseCPU):
type = 'DerivO3CPU'
@@ -14,11 +15,13 @@ class DerivO3CPU(BaseCPU):
if build_env['USE_CHECKER']:
if not build_env['FULL_SYSTEM']:
checker = Param.BaseCPU(O3Checker(workload=Parent.workload,
- exitOnError=True,
+ exitOnError=False,
+ updateOnError=True,
warnOnlyOnLoadError=False),
"checker")
else:
- checker = Param.BaseCPU(O3Checker(exitOnError=True, warnOnlyOnLoadError=False), "checker")
+ checker = Param.BaseCPU(O3Checker(exitOnError=False, updateOnError=True,
+ warnOnlyOnLoadError=False), "checker")
checker.itb = Parent.itb
checker.dtb = Parent.dtb
@@ -57,7 +60,7 @@ class DerivO3CPU(BaseCPU):
issueWidth = Param.Unsigned(8, "Issue width")
wbWidth = Param.Unsigned(8, "Writeback width")
wbDepth = Param.Unsigned(1, "Writeback depth")
- fuPool = Param.FUPool("Functional Unit pool")
+ fuPool = Param.FUPool(DefaultFUPool(), "Functional Unit pool")
iewToCommitDelay = Param.Unsigned(1, "Issue/Execute/Writeback to commit "
"delay")
@@ -77,7 +80,7 @@ class DerivO3CPU(BaseCPU):
localHistoryBits = Param.Unsigned(11, "Bits for the local history")
globalPredictorSize = Param.Unsigned(8192, "Size of global predictor")
globalCtrBits = Param.Unsigned(2, "Bits per counter")
- globalHistoryBits = Param.Unsigned(4096, "Bits of history")
+ globalHistoryBits = Param.Unsigned(13, "Bits of history")
choicePredictorSize = Param.Unsigned(8192, "Size of choice predictor")
choiceCtrBits = Param.Unsigned(2, "Bits of choice counters")