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from m5 import *
from BaseCPU import BaseCPU
class DerivOzoneCPU(BaseCPU):
type = 'DerivOzoneCPU'
numThreads = Param.Unsigned("number of HW thread contexts")
if not build_env['FULL_SYSTEM']:
mem = Param.FunctionalMemory(NULL, "memory")
checker = Param.BaseCPU("Checker CPU")
width = Param.Unsigned("Width")
frontEndWidth = Param.Unsigned("Front end width")
backEndWidth = Param.Unsigned("Back end width")
backEndSquashLatency = Param.Unsigned("Back end squash latency")
backEndLatency = Param.Unsigned("Back end latency")
maxInstBufferSize = Param.Unsigned("Maximum instruction buffer size")
maxOutstandingMemOps = Param.Unsigned("Maximum number of outstanding memory operations")
decodeToFetchDelay = Param.Unsigned("Decode to fetch delay")
renameToFetchDelay = Param.Unsigned("Rename to fetch delay")
iewToFetchDelay = Param.Unsigned("Issue/Execute/Writeback to fetch "
"delay")
commitToFetchDelay = Param.Unsigned("Commit to fetch delay")
fetchWidth = Param.Unsigned("Fetch width")
renameToDecodeDelay = Param.Unsigned("Rename to decode delay")
iewToDecodeDelay = Param.Unsigned("Issue/Execute/Writeback to decode "
"delay")
commitToDecodeDelay = Param.Unsigned("Commit to decode delay")
fetchToDecodeDelay = Param.Unsigned("Fetch to decode delay")
decodeWidth = Param.Unsigned("Decode width")
iewToRenameDelay = Param.Unsigned("Issue/Execute/Writeback to rename "
"delay")
commitToRenameDelay = Param.Unsigned("Commit to rename delay")
decodeToRenameDelay = Param.Unsigned("Decode to rename delay")
renameWidth = Param.Unsigned("Rename width")
commitToIEWDelay = Param.Unsigned("Commit to "
"Issue/Execute/Writeback delay")
renameToIEWDelay = Param.Unsigned("Rename to "
"Issue/Execute/Writeback delay")
issueToExecuteDelay = Param.Unsigned("Issue to execute delay (internal "
"to the IEW stage)")
issueWidth = Param.Unsigned("Issue width")
executeWidth = Param.Unsigned("Execute width")
executeIntWidth = Param.Unsigned("Integer execute width")
executeFloatWidth = Param.Unsigned("Floating point execute width")
executeBranchWidth = Param.Unsigned("Branch execute width")
executeMemoryWidth = Param.Unsigned("Memory execute width")
iewToCommitDelay = Param.Unsigned("Issue/Execute/Writeback to commit "
"delay")
renameToROBDelay = Param.Unsigned("Rename to reorder buffer delay")
commitWidth = Param.Unsigned("Commit width")
squashWidth = Param.Unsigned("Squash width")
localPredictorSize = Param.Unsigned("Size of local predictor")
localCtrBits = Param.Unsigned("Bits per counter")
localHistoryTableSize = Param.Unsigned("Size of local history table")
localHistoryBits = Param.Unsigned("Bits for the local history")
globalPredictorSize = Param.Unsigned("Size of global predictor")
globalCtrBits = Param.Unsigned("Bits per counter")
globalHistoryBits = Param.Unsigned("Bits of history")
choicePredictorSize = Param.Unsigned("Size of choice predictor")
choiceCtrBits = Param.Unsigned("Bits of choice counters")
BTBEntries = Param.Unsigned("Number of BTB entries")
BTBTagSize = Param.Unsigned("Size of the BTB tags, in bits")
RASSize = Param.Unsigned("RAS size")
LQEntries = Param.Unsigned("Number of load queue entries")
SQEntries = Param.Unsigned("Number of store queue entries")
LFSTSize = Param.Unsigned("Last fetched store table size")
SSITSize = Param.Unsigned("Store set ID table size")
numPhysIntRegs = Param.Unsigned("Number of physical integer registers")
numPhysFloatRegs = Param.Unsigned("Number of physical floating point "
"registers")
numIQEntries = Param.Unsigned("Number of instruction queue entries")
numROBEntries = Param.Unsigned("Number of reorder buffer entries")
instShiftAmt = Param.Unsigned("Number of bits to shift instructions by")
function_trace = Param.Bool(False, "Enable function trace")
function_trace_start = Param.Tick(0, "Cycle to start function trace")
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