+# Copyright (c) 2010 ARM Limited
+# All rights reserved.
+#
+# The license below extends only to copyright in the software and shall
+# not be construed as granting a license to any other intellectual
+# property including but not limited to intellectual property relating
+# to a hardware implementation of the functionality of the software
+# licensed hereunder. You may use the software subject to the license
+# terms below provided that you ensure that this notice is replicated
+# unmodified and in its entirety in all distributions of the software,
+# modified or unmodified, in source code or in binary form.
+#
# Copyright (c) 2006-2007 The Regents of The University of Michigan
# All rights reserved.
#
from m5.SimObject import SimObject
from m5.params import *
-class OpType(Enum):
- vals = ['(null)', 'IntAlu', 'IntMult', 'IntDiv', 'FloatAdd',
- 'FloatCmp', 'FloatCvt', 'FloatMult', 'FloatDiv', 'FloatSqrt',
- 'MemRead', 'MemWrite', 'IprAccess', 'InstPrefetch']
+class OpClass(Enum):
+ vals = ['No_OpClass', 'IntAlu', 'IntMult', 'IntDiv', 'FloatAdd',
+ 'FloatCmp', 'FloatCvt', 'FloatMult', 'FloatMultAcc', 'FloatDiv',
+ 'FloatMisc', 'FloatSqrt',
+ 'SimdAdd', 'SimdAddAcc', 'SimdAlu', 'SimdCmp', 'SimdCvt',
+ 'SimdMisc', 'SimdMult', 'SimdMultAcc', 'SimdShift', 'SimdShiftAcc',
+ 'SimdSqrt', 'SimdFloatAdd', 'SimdFloatAlu', 'SimdFloatCmp',
+ 'SimdFloatCvt', 'SimdFloatDiv', 'SimdFloatMisc', 'SimdFloatMult',
+ 'SimdFloatMultAcc', 'SimdFloatSqrt',
+ 'MemRead', 'MemWrite', 'FloatMemRead', 'FloatMemWrite',
+ 'IprAccess', 'InstPrefetch']
class OpDesc(SimObject):
type = 'OpDesc'
- issueLat = Param.Int(1, "cycles until another can be issued")
- opClass = Param.OpType("type of operation")
- opLat = Param.Int(1, "cycles until result is available")
+ cxx_header = "cpu/func_unit.hh"
+ opClass = Param.OpClass("type of operation")
+ opLat = Param.Cycles(1, "cycles until result is available")
+ pipelined = Param.Bool(True, "set to true when the functional unit for"
+ "this op is fully pipelined. False means not pipelined at all.")
class FUDesc(SimObject):
type = 'FUDesc'
+ cxx_header = "cpu/func_unit.hh"
count = Param.Int("number of these FU's available")
opList = VectorParam.OpDesc("operation classes for this FU type")