| # Copyright (c) 2005-2008 The Regents of The University of Michigan |
| # Copyright (c) 2011 Regents of the University of California |
| # All rights reserved. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions are |
| # met: redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer; |
| # redistributions in binary form must reproduce the above copyright |
| # notice, this list of conditions and the following disclaimer in the |
| # documentation and/or other materials provided with the distribution; |
| # neither the name of the copyright holders nor the names of its |
| # contributors may be used to endorse or promote products derived from |
| # this software without specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| # |
| # Authors: Nathan Binkert |
| # Rick Strong |
| |
| import sys |
| |
| from m5.defines import buildEnv |
| from m5.params import * |
| from m5.proxy import * |
| |
| from Bus import Bus |
| from InstTracer import InstTracer |
| from ExeTracer import ExeTracer |
| from MemObject import MemObject |
| |
| default_tracer = ExeTracer() |
| |
| if buildEnv['TARGET_ISA'] == 'alpha': |
| from AlphaTLB import AlphaDTB, AlphaITB |
| from AlphaInterrupts import AlphaInterrupts |
| elif buildEnv['TARGET_ISA'] == 'sparc': |
| from SparcTLB import SparcTLB |
| from SparcInterrupts import SparcInterrupts |
| elif buildEnv['TARGET_ISA'] == 'x86': |
| from X86TLB import X86TLB |
| from X86LocalApic import X86LocalApic |
| elif buildEnv['TARGET_ISA'] == 'mips': |
| from MipsTLB import MipsTLB |
| from MipsInterrupts import MipsInterrupts |
| elif buildEnv['TARGET_ISA'] == 'arm': |
| from ArmTLB import ArmTLB |
| from ArmInterrupts import ArmInterrupts |
| elif buildEnv['TARGET_ISA'] == 'power': |
| from PowerTLB import PowerTLB |
| from PowerInterrupts import PowerInterrupts |
| |
| class BaseCPU(MemObject): |
| type = 'BaseCPU' |
| abstract = True |
| |
| system = Param.System(Parent.any, "system object") |
| cpu_id = Param.Int(-1, "CPU identifier") |
| numThreads = Param.Unsigned(1, "number of HW thread contexts") |
| |
| function_trace = Param.Bool(False, "Enable function trace") |
| function_trace_start = Param.Tick(0, "Cycle to start function trace") |
| |
| checker = Param.BaseCPU(NULL, "checker CPU") |
| |
| do_checkpoint_insts = Param.Bool(True, |
| "enable checkpoint pseudo instructions") |
| do_statistics_insts = Param.Bool(True, |
| "enable statistics pseudo instructions") |
| |
| profile = Param.Latency('0ns', "trace the kernel stack") |
| do_quiesce = Param.Bool(True, "enable quiesce instructions") |
| |
| if not buildEnv['FULL_SYSTEM']: |
| workload = VectorParam.Process("processes to run") |
| |
| if buildEnv['TARGET_ISA'] == 'sparc': |
| dtb = Param.SparcTLB(SparcTLB(), "Data TLB") |
| itb = Param.SparcTLB(SparcTLB(), "Instruction TLB") |
| interrupts = Param.SparcInterrupts( |
| SparcInterrupts(), "Interrupt Controller") |
| elif buildEnv['TARGET_ISA'] == 'alpha': |
| dtb = Param.AlphaTLB(AlphaDTB(), "Data TLB") |
| itb = Param.AlphaTLB(AlphaITB(), "Instruction TLB") |
| interrupts = Param.AlphaInterrupts( |
| AlphaInterrupts(), "Interrupt Controller") |
| elif buildEnv['TARGET_ISA'] == 'x86': |
| dtb = Param.X86TLB(X86TLB(), "Data TLB") |
| itb = Param.X86TLB(X86TLB(), "Instruction TLB") |
| _localApic = X86LocalApic(pio_addr=0x2000000000000000) |
| interrupts = Param.X86LocalApic(_localApic, "Interrupt Controller") |
| elif buildEnv['TARGET_ISA'] == 'mips': |
| dtb = Param.MipsTLB(MipsTLB(), "Data TLB") |
| itb = Param.MipsTLB(MipsTLB(), "Instruction TLB") |
| interrupts = Param.MipsInterrupts( |
| MipsInterrupts(), "Interrupt Controller") |
| elif buildEnv['TARGET_ISA'] == 'arm': |
| dtb = Param.ArmTLB(ArmTLB(), "Data TLB") |
| itb = Param.ArmTLB(ArmTLB(), "Instruction TLB") |
| interrupts = Param.ArmInterrupts( |
| ArmInterrupts(), "Interrupt Controller") |
| elif buildEnv['TARGET_ISA'] == 'power': |
| UnifiedTLB = Param.Bool(True, "Is this a Unified TLB?") |
| dtb = Param.PowerTLB(PowerTLB(), "Data TLB") |
| itb = Param.PowerTLB(PowerTLB(), "Instruction TLB") |
| interrupts = Param.PowerInterrupts( |
| PowerInterrupts(), "Interrupt Controller") |
| else: |
| print "Don't know what TLB to use for ISA %s" % \ |
| buildEnv['TARGET_ISA'] |
| sys.exit(1) |
| |
| max_insts_all_threads = Param.Counter(0, |
| "terminate when all threads have reached this inst count") |
| max_insts_any_thread = Param.Counter(0, |
| "terminate when any thread reaches this inst count") |
| max_loads_all_threads = Param.Counter(0, |
| "terminate when all threads have reached this load count") |
| max_loads_any_thread = Param.Counter(0, |
| "terminate when any thread reaches this load count") |
| progress_interval = Param.Tick(0, |
| "interval to print out the progress message") |
| |
| defer_registration = Param.Bool(False, |
| "defer registration with system (for sampling)") |
| |
| clock = Param.Clock('1t', "clock speed") |
| phase = Param.Latency('0ns', "clock phase") |
| |
| tracer = Param.InstTracer(default_tracer, "Instruction tracer") |
| |
| _cached_ports = [] |
| if buildEnv['TARGET_ISA'] in ['x86', 'arm']: |
| _cached_ports = ["itb.walker.port", "dtb.walker.port"] |
| |
| _uncached_ports = [] |
| if buildEnv['TARGET_ISA'] == 'x86': |
| _uncached_ports = ["interrupts.pio", "interrupts.int_port"] |
| |
| def connectCachedPorts(self, bus): |
| for p in self._cached_ports: |
| exec('self.%s = bus.port' % p) |
| |
| def connectUncachedPorts(self, bus): |
| for p in self._uncached_ports: |
| exec('self.%s = bus.port' % p) |
| |
| def connectAllPorts(self, cached_bus, uncached_bus = None): |
| self.connectCachedPorts(cached_bus) |
| if not uncached_bus: |
| uncached_bus = cached_bus |
| self.connectUncachedPorts(uncached_bus) |
| |
| def addPrivateSplitL1Caches(self, ic, dc, iwc = None, dwc = None): |
| assert(len(self._cached_ports) < 7) |
| self.icache = ic |
| self.dcache = dc |
| self.icache_port = ic.cpu_side |
| self.dcache_port = dc.cpu_side |
| self._cached_ports = ['icache.mem_side', 'dcache.mem_side'] |
| if buildEnv['TARGET_ISA'] == 'x86' and iwc and dwc: |
| self.itb_walker_cache = iwc |
| self.dtb_walker_cache = dwc |
| self.itb.walker.port = iwc.cpu_side |
| self.dtb.walker.port = dwc.cpu_side |
| self._cached_ports += ["itb_walker_cache.mem_side", \ |
| "dtb_walker_cache.mem_side"] |
| elif buildEnv['TARGET_ISA'] == 'arm': |
| self._cached_ports += ["itb.walker.port", "dtb.walker.port"] |
| |
| def addTwoLevelCacheHierarchy(self, ic, dc, l2c, iwc = None, dwc = None): |
| self.addPrivateSplitL1Caches(ic, dc, iwc, dwc) |
| self.toL2Bus = Bus() |
| self.connectCachedPorts(self.toL2Bus) |
| self.l2cache = l2c |
| self.l2cache.cpu_side = self.toL2Bus.port |
| self._cached_ports = ['l2cache.mem_side'] |
