BaseCPU.py (5222:bb733a878f85) BaseCPU.py (5236:0050ad4fb3ef)
1# Copyright (c) 2005-2007 The Regents of The University of Michigan
2# All rights reserved.
3#
4# Redistribution and use in source and binary forms, with or without
5# modification, are permitted provided that the following conditions are
6# met: redistributions of source code must retain the above copyright
7# notice, this list of conditions and the following disclaimer;
8# redistributions in binary form must reproduce the above copyright

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39
40if build_env['TARGET_ISA'] == 'alpha':
41 from AlphaTLB import AlphaDTB, AlphaITB
42elif build_env['TARGET_ISA'] == 'sparc':
43 from SparcTLB import SparcDTB, SparcITB
44elif build_env['TARGET_ISA'] == 'x86':
45 from X86TLB import X86DTB, X86ITB
46elif build_env['TARGET_ISA'] == 'mips':
1# Copyright (c) 2005-2007 The Regents of The University of Michigan
2# All rights reserved.
3#
4# Redistribution and use in source and binary forms, with or without
5# modification, are permitted provided that the following conditions are
6# met: redistributions of source code must retain the above copyright
7# notice, this list of conditions and the following disclaimer;
8# redistributions in binary form must reproduce the above copyright

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39
40if build_env['TARGET_ISA'] == 'alpha':
41 from AlphaTLB import AlphaDTB, AlphaITB
42elif build_env['TARGET_ISA'] == 'sparc':
43 from SparcTLB import SparcDTB, SparcITB
44elif build_env['TARGET_ISA'] == 'x86':
45 from X86TLB import X86DTB, X86ITB
46elif build_env['TARGET_ISA'] == 'mips':
47 from MipsTLB import MipsTLB,MipsDTB, MipsITB, MipsUTB
47 from MipsTLB import MipsDTB, MipsITB
48
49class BaseCPU(SimObject):
50 type = 'BaseCPU'
51 abstract = True
52
53 system = Param.System(Parent.any, "system object")
54 cpu_id = Param.Int("CPU identifier")
55

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67 itb = Param.SparcITB(SparcITB(), "Instruction TLB")
68 elif build_env['TARGET_ISA'] == 'alpha':
69 dtb = Param.AlphaDTB(AlphaDTB(), "Data TLB")
70 itb = Param.AlphaITB(AlphaITB(), "Instruction TLB")
71 elif build_env['TARGET_ISA'] == 'x86':
72 dtb = Param.X86DTB(X86DTB(), "Data TLB")
73 itb = Param.X86ITB(X86ITB(), "Instruction TLB")
74 elif build_env['TARGET_ISA'] == 'mips':
48
49class BaseCPU(SimObject):
50 type = 'BaseCPU'
51 abstract = True
52
53 system = Param.System(Parent.any, "system object")
54 cpu_id = Param.Int("CPU identifier")
55

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67 itb = Param.SparcITB(SparcITB(), "Instruction TLB")
68 elif build_env['TARGET_ISA'] == 'alpha':
69 dtb = Param.AlphaDTB(AlphaDTB(), "Data TLB")
70 itb = Param.AlphaITB(AlphaITB(), "Instruction TLB")
71 elif build_env['TARGET_ISA'] == 'x86':
72 dtb = Param.X86DTB(X86DTB(), "Data TLB")
73 itb = Param.X86ITB(X86ITB(), "Instruction TLB")
74 elif build_env['TARGET_ISA'] == 'mips':
75 UnifiedTLB = Param.Bool(True, "Is this a Unified TLB?")
76 dtb = Param.MipsDTB(MipsDTB(), "Data TLB")
77 itb = Param.MipsITB(MipsITB(), "Instruction TLB")
75 dtb = Param.MipsDTB(MipsDTB(), "Data TLB")
76 itb = Param.MipsITB(MipsITB(), "Instruction TLB")
78 tlb = Param.MipsUTB(MipsUTB(), "Unified TLB")
79 else:
80 print "Don't know what TLB to use for ISA %s" % \
81 build_env['TARGET_ISA']
82 sys.exit(1)
83
84 max_insts_all_threads = Param.Counter(0,
85 "terminate when all threads have reached this inst count")
86 max_insts_any_thread = Param.Counter(0,

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97
98 clock = Param.Clock('1t', "clock speed")
99 phase = Param.Latency('0ns', "clock phase")
100
101 tracer = Param.InstTracer(default_tracer, "Instruction tracer")
102
103 _mem_ports = []
104
77 else:
78 print "Don't know what TLB to use for ISA %s" % \
79 build_env['TARGET_ISA']
80 sys.exit(1)
81
82 max_insts_all_threads = Param.Counter(0,
83 "terminate when all threads have reached this inst count")
84 max_insts_any_thread = Param.Counter(0,

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95
96 clock = Param.Clock('1t', "clock speed")
97 phase = Param.Latency('0ns', "clock phase")
98
99 tracer = Param.InstTracer(default_tracer, "Instruction tracer")
100
101 _mem_ports = []
102
103 if build_env['TARGET_ISA'] == 'x86':
104 itb.walker_port = Port("ITB page table walker port")
105 dtb.walker_port = Port("ITB page table walker port")
106 _mem_ports = ["itb.walker_port", "dtb.walker_port"]
107
105 def connectMemPorts(self, bus):
106 for p in self._mem_ports:
107 if p != 'physmem_port':
108 exec('self.%s = bus.port' % p)
109
110 def addPrivateSplitL1Caches(self, ic, dc):
108 def connectMemPorts(self, bus):
109 for p in self._mem_ports:
110 if p != 'physmem_port':
111 exec('self.%s = bus.port' % p)
112
113 def addPrivateSplitL1Caches(self, ic, dc):
111 assert(len(self._mem_ports) == 2 or len(self._mem_ports) == 3)
114 assert(len(self._mem_ports) < 6)
112 self.icache = ic
113 self.dcache = dc
114 self.icache_port = ic.cpu_side
115 self.dcache_port = dc.cpu_side
116 self._mem_ports = ['icache.mem_side', 'dcache.mem_side']
115 self.icache = ic
116 self.dcache = dc
117 self.icache_port = ic.cpu_side
118 self.dcache_port = dc.cpu_side
119 self._mem_ports = ['icache.mem_side', 'dcache.mem_side']
120 if build_env['TARGET_ISA'] == 'x86':
121 self._mem_ports += ["itb.walker_port", "dtb.walker_port"]
117
118 def addTwoLevelCacheHierarchy(self, ic, dc, l2c):
119 self.addPrivateSplitL1Caches(ic, dc)
120 self.toL2Bus = Bus()
121 self.connectMemPorts(self.toL2Bus)
122 self.l2cache = l2c
123 self.l2cache.cpu_side = self.toL2Bus.port
124 self._mem_ports = ['l2cache.mem_side']
122
123 def addTwoLevelCacheHierarchy(self, ic, dc, l2c):
124 self.addPrivateSplitL1Caches(ic, dc)
125 self.toL2Bus = Bus()
126 self.connectMemPorts(self.toL2Bus)
127 self.l2cache = l2c
128 self.l2cache.cpu_side = self.toL2Bus.port
129 self._mem_ports = ['l2cache.mem_side']
125
126 if build_env['TARGET_ISA'] == 'mips':
127 CP0_IntCtl_IPTI = Param.Unsigned(0,"No Description")
128 CP0_IntCtl_IPPCI = Param.Unsigned(0,"No Description")
129 CP0_SrsCtl_HSS = Param.Unsigned(0,"No Description")
130 CP0_EBase_CPUNum = Param.Unsigned(0,"No Description")
131 CP0_PRId_CompanyOptions = Param.Unsigned(0,"Company Options in Processor ID Register")
132 CP0_PRId_CompanyID = Param.Unsigned(0,"Company Identifier in Processor ID Register")
133 CP0_PRId_ProcessorID = Param.Unsigned(1,"Processor ID (0=>Not MIPS32/64 Processor, 1=>MIPS, 2-255 => Other Company")
134 CP0_PRId_Revision = Param.Unsigned(0,"Processor Revision Number in Processor ID Register")
135 CP0_Config_BE = Param.Unsigned(0,"Big Endian?")
136 CP0_Config_AT = Param.Unsigned(0,"No Description")
137 CP0_Config_AR = Param.Unsigned(0,"No Description")
138 CP0_Config_MT = Param.Unsigned(0,"No Description")
139 CP0_Config_VI = Param.Unsigned(0,"No Description")
140 CP0_Config1_M = Param.Unsigned(0,"Config2 Implemented?")
141 CP0_Config1_MMU = Param.Unsigned(0,"MMU Type")
142 CP0_Config1_IS = Param.Unsigned(0,"No Description")
143 CP0_Config1_IL = Param.Unsigned(0,"No Description")
144 CP0_Config1_IA = Param.Unsigned(0,"No Description")
145 CP0_Config1_DS = Param.Unsigned(0,"No Description")
146 CP0_Config1_DL = Param.Unsigned(0,"No Description")
147 CP0_Config1_DA = Param.Unsigned(0,"No Description")
148 CP0_Config1_C2 = Param.Bool(False,"No Description")
149 CP0_Config1_MD = Param.Bool(False,"No Description")
150 CP0_Config1_PC = Param.Bool(False,"No Description")
151 CP0_Config1_WR = Param.Bool(False,"No Description")
152 CP0_Config1_CA = Param.Bool(False,"No Description")
153 CP0_Config1_EP = Param.Bool(False,"No Description")
154 CP0_Config1_FP = Param.Bool(False,"FPU Implemented?")
155 CP0_Config2_M = Param.Bool(False,"Config3 Implemented?")
156 CP0_Config2_TU = Param.Unsigned(0,"No Description")
157 CP0_Config2_TS = Param.Unsigned(0,"No Description")
158 CP0_Config2_TL = Param.Unsigned(0,"No Description")
159 CP0_Config2_TA = Param.Unsigned(0,"No Description")
160 CP0_Config2_SU = Param.Unsigned(0,"No Description")
161 CP0_Config2_SS = Param.Unsigned(0,"No Description")
162 CP0_Config2_SL = Param.Unsigned(0,"No Description")
163 CP0_Config2_SA = Param.Unsigned(0,"No Description")
164 CP0_Config3_M = Param.Bool(False,"Config4 Implemented?")
165 CP0_Config3_DSPP = Param.Bool(False,"DSP Extensions Present?")
166 CP0_Config3_LPA = Param.Bool(False,"No Description")
167 CP0_Config3_VEIC = Param.Bool(False,"No Description")
168 CP0_Config3_VInt = Param.Bool(False,"No Description")
169 CP0_Config3_SP = Param.Bool(False,"No Description")
170 CP0_Config3_MT = Param.Bool(False,"Multithreading Extensions Present?")
171 CP0_Config3_SM = Param.Bool(False,"No Description")
172 CP0_Config3_TL = Param.Bool(False,"No Description")
173 CP0_WatchHi_M = Param.Bool(False,"No Description")
174 CP0_PerfCtr_M = Param.Bool(False,"No Description")
175 CP0_PerfCtr_W = Param.Bool(False,"No Description")
176 CP0_PRId = Param.Unsigned(0,"CP0 Status Register")
177 CP0_Config = Param.Unsigned(0,"CP0 Config Register")
178 CP0_Config1 = Param.Unsigned(0,"CP0 Config1 Register")
179 CP0_Config2 = Param.Unsigned(0,"CP0 Config2 Register")
180 CP0_Config3 = Param.Unsigned(0,"CP0 Config3 Register")