BaseDynInst: Make the TLB translation timing instead of atomic.
[gem5.git] / src / cpu / BaseCPU.py
index 7a51650e61265508e413f5da6d0d6ac6d19386a2..ac734e5ac409c0282d5386c6ef8546884f210125 100644 (file)
@@ -1,4 +1,4 @@
-# Copyright (c) 2005-2007 The Regents of The University of Michigan
+# Copyright (c) 2005-2008 The Regents of The University of Michigan
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 #
 # Authors: Nathan Binkert
 
-from m5.SimObject import SimObject
+import sys
+
+from m5.defines import buildEnv
 from m5.params import *
 from m5.proxy import *
-from m5 import build_env
+
 from Bus import Bus
 from InstTracer import InstTracer
 from ExeTracer import ExeTracer
-import sys
+from MemObject import MemObject
 
 default_tracer = ExeTracer()
 
-if build_env['FULL_SYSTEM']:
-    if build_env['TARGET_ISA'] == 'alpha':
-        from AlphaTLB import AlphaDTB, AlphaITB
-
-    if build_env['TARGET_ISA'] == 'sparc':
-        from SparcTLB import SparcDTB, SparcITB
-
-class BaseCPU(SimObject):
+if buildEnv['TARGET_ISA'] == 'alpha':
+    from AlphaTLB import AlphaDTB, AlphaITB
+    if buildEnv['FULL_SYSTEM']:
+        from AlphaInterrupts import AlphaInterrupts
+elif buildEnv['TARGET_ISA'] == 'sparc':
+    from SparcTLB import SparcTLB
+    if buildEnv['FULL_SYSTEM']:
+        from SparcInterrupts import SparcInterrupts
+elif buildEnv['TARGET_ISA'] == 'x86':
+    from X86TLB import X86TLB
+    if buildEnv['FULL_SYSTEM']:
+        from X86LocalApic import X86LocalApic
+elif buildEnv['TARGET_ISA'] == 'mips':
+    from MipsTLB import MipsTLB
+    if buildEnv['FULL_SYSTEM']:
+        from MipsInterrupts import MipsInterrupts
+elif buildEnv['TARGET_ISA'] == 'arm':
+    from ArmTLB import ArmTLB
+    if buildEnv['FULL_SYSTEM']:
+        from ArmInterrupts import ArmInterrupts
+elif buildEnv['TARGET_ISA'] == 'power':
+    from PowerTLB import PowerTLB
+    if buildEnv['FULL_SYSTEM']:
+        from PowerInterrupts import PowerInterrupts
+
+class BaseCPU(MemObject):
     type = 'BaseCPU'
     abstract = True
 
     system = Param.System(Parent.any, "system object")
-    cpu_id = Param.Int("CPU identifier")
+    cpu_id = Param.Int(-1, "CPU identifier")
+    numThreads = Param.Unsigned(1, "number of HW thread contexts")
 
-    if build_env['FULL_SYSTEM']:
+    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")
+
+    if buildEnv['FULL_SYSTEM']:
+        profile = Param.Latency('0ns', "trace the kernel stack")
         do_quiesce = Param.Bool(True, "enable quiesce instructions")
-        do_checkpoint_insts = Param.Bool(True,
-            "enable checkpoint pseudo instructions")
-        do_statistics_insts = Param.Bool(True,
-            "enable statistics pseudo instructions")
-
-        if build_env['TARGET_ISA'] == 'sparc':
-            dtb = Param.SparcDTB(SparcDTB(), "Data TLB")
-            itb = Param.SparcITB(SparcITB(), "Instruction TLB")
-        elif build_env['TARGET_ISA'] == 'alpha':
-            dtb = Param.AlphaDTB(AlphaDTB(), "Data TLB")
-            itb = Param.AlphaITB(AlphaITB(), "Instruction TLB")
-        else:
-            print "Unknown architecture, can't pick TLBs"
-            sys.exit(1)
     else:
         workload = VectorParam.Process("processes to run")
 
+    if buildEnv['TARGET_ISA'] == 'sparc':
+        dtb = Param.SparcTLB(SparcTLB(), "Data TLB")
+        itb = Param.SparcTLB(SparcTLB(), "Instruction TLB")
+        if buildEnv['FULL_SYSTEM']:
+            interrupts = Param.SparcInterrupts(
+                SparcInterrupts(), "Interrupt Controller")
+    elif buildEnv['TARGET_ISA'] == 'alpha':
+        dtb = Param.AlphaTLB(AlphaDTB(), "Data TLB")
+        itb = Param.AlphaTLB(AlphaITB(), "Instruction TLB")
+        if buildEnv['FULL_SYSTEM']:
+            interrupts = Param.AlphaInterrupts(
+                AlphaInterrupts(), "Interrupt Controller")
+    elif buildEnv['TARGET_ISA'] == 'x86':
+        dtb = Param.X86TLB(X86TLB(), "Data TLB")
+        itb = Param.X86TLB(X86TLB(), "Instruction TLB")
+        if buildEnv['FULL_SYSTEM']:
+            _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")
+        if buildEnv['FULL_SYSTEM']:
+            interrupts = Param.MipsInterrupts(
+                    MipsInterrupts(), "Interrupt Controller")
+    elif buildEnv['TARGET_ISA'] == 'arm':
+        UnifiedTLB = Param.Bool(True, "Is this a Unified TLB?")
+        dtb = Param.ArmTLB(ArmTLB(), "Data TLB")
+        itb = Param.ArmTLB(ArmTLB(), "Instruction TLB")
+        if buildEnv['FULL_SYSTEM']:
+            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")
+        if buildEnv['FULL_SYSTEM']:
+            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,
@@ -90,6 +152,11 @@ class BaseCPU(SimObject):
     tracer = Param.InstTracer(default_tracer, "Instruction tracer")
 
     _mem_ports = []
+    if buildEnv['TARGET_ISA'] == 'x86' and buildEnv['FULL_SYSTEM']:
+        _mem_ports = ["itb.walker.port",
+                      "dtb.walker.port",
+                      "interrupts.pio",
+                      "interrupts.int_port"]
 
     def connectMemPorts(self, bus):
         for p in self._mem_ports:
@@ -97,12 +164,14 @@ class BaseCPU(SimObject):
                 exec('self.%s = bus.port' % p)
 
     def addPrivateSplitL1Caches(self, ic, dc):
-        assert(len(self._mem_ports) == 2 or len(self._mem_ports) == 3)
+        assert(len(self._mem_ports) < 6)
         self.icache = ic
         self.dcache = dc
         self.icache_port = ic.cpu_side
         self.dcache_port = dc.cpu_side
         self._mem_ports = ['icache.mem_side', 'dcache.mem_side']
+        if buildEnv['TARGET_ISA'] == 'x86' and buildEnv['FULL_SYSTEM']:
+            self._mem_ports += ["itb.walker_port", "dtb.walker_port"]
 
     def addTwoLevelCacheHierarchy(self, ic, dc, l2c):
         self.addPrivateSplitL1Caches(ic, dc)
@@ -111,3 +180,59 @@ class BaseCPU(SimObject):
         self.l2cache = l2c
         self.l2cache.cpu_side = self.toL2Bus.port
         self._mem_ports = ['l2cache.mem_side']
+
+    if buildEnv['TARGET_ISA'] == 'mips':
+        CP0_IntCtl_IPTI = Param.Unsigned(0,"No Description")
+        CP0_IntCtl_IPPCI = Param.Unsigned(0,"No Description")
+        CP0_SrsCtl_HSS = Param.Unsigned(0,"No Description")
+        CP0_EBase_CPUNum = Param.Unsigned(0,"No Description")
+        CP0_PRId_CompanyOptions = Param.Unsigned(0,"Company Options in Processor ID Register")
+        CP0_PRId_CompanyID = Param.Unsigned(0,"Company Identifier in Processor ID Register")
+        CP0_PRId_ProcessorID = Param.Unsigned(1,"Processor ID (0=>Not MIPS32/64 Processor, 1=>MIPS, 2-255 => Other Company")
+        CP0_PRId_Revision = Param.Unsigned(0,"Processor Revision Number in Processor ID Register")
+        CP0_Config_BE = Param.Unsigned(0,"Big Endian?")
+        CP0_Config_AT = Param.Unsigned(0,"No Description")
+        CP0_Config_AR = Param.Unsigned(0,"No Description")
+        CP0_Config_MT = Param.Unsigned(0,"No Description")
+        CP0_Config_VI = Param.Unsigned(0,"No Description")
+        CP0_Config1_M = Param.Unsigned(0,"Config2 Implemented?")
+        CP0_Config1_MMU = Param.Unsigned(0,"MMU Type")
+        CP0_Config1_IS = Param.Unsigned(0,"No Description")
+        CP0_Config1_IL = Param.Unsigned(0,"No Description")
+        CP0_Config1_IA = Param.Unsigned(0,"No Description")
+        CP0_Config1_DS = Param.Unsigned(0,"No Description")
+        CP0_Config1_DL = Param.Unsigned(0,"No Description")
+        CP0_Config1_DA = Param.Unsigned(0,"No Description")
+        CP0_Config1_C2 = Param.Bool(False,"No Description")
+        CP0_Config1_MD = Param.Bool(False,"No Description")
+        CP0_Config1_PC = Param.Bool(False,"No Description")
+        CP0_Config1_WR = Param.Bool(False,"No Description")
+        CP0_Config1_CA = Param.Bool(False,"No Description")
+        CP0_Config1_EP = Param.Bool(False,"No Description")
+        CP0_Config1_FP = Param.Bool(False,"FPU Implemented?")
+        CP0_Config2_M = Param.Bool(False,"Config3 Implemented?")
+        CP0_Config2_TU = Param.Unsigned(0,"No Description")
+        CP0_Config2_TS = Param.Unsigned(0,"No Description")
+        CP0_Config2_TL = Param.Unsigned(0,"No Description")
+        CP0_Config2_TA = Param.Unsigned(0,"No Description")
+        CP0_Config2_SU = Param.Unsigned(0,"No Description")
+        CP0_Config2_SS = Param.Unsigned(0,"No Description")
+        CP0_Config2_SL = Param.Unsigned(0,"No Description")
+        CP0_Config2_SA = Param.Unsigned(0,"No Description")
+        CP0_Config3_M = Param.Bool(False,"Config4 Implemented?")
+        CP0_Config3_DSPP = Param.Bool(False,"DSP Extensions Present?")
+        CP0_Config3_LPA = Param.Bool(False,"No Description")
+        CP0_Config3_VEIC = Param.Bool(False,"No Description")
+        CP0_Config3_VInt = Param.Bool(False,"No Description")
+        CP0_Config3_SP = Param.Bool(False,"No Description")
+        CP0_Config3_MT = Param.Bool(False,"Multithreading Extensions Present?")
+        CP0_Config3_SM = Param.Bool(False,"No Description")
+        CP0_Config3_TL = Param.Bool(False,"No Description")
+        CP0_WatchHi_M = Param.Bool(False,"No Description")
+        CP0_PerfCtr_M = Param.Bool(False,"No Description")
+        CP0_PerfCtr_W = Param.Bool(False,"No Description")
+        CP0_PRId = Param.Unsigned(0,"CP0 Status Register")
+        CP0_Config = Param.Unsigned(0,"CP0 Config Register")
+        CP0_Config1 = Param.Unsigned(0,"CP0 Config1 Register")
+        CP0_Config2 = Param.Unsigned(0,"CP0 Config2 Register")
+        CP0_Config3 = Param.Unsigned(0,"CP0 Config3 Register")