BaseKvmCPU.py revision 9655:78c9adc85718 
1# Copyright (c) 2012 ARM Limited
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36# Authors: Andreas Sandberg
37
38from m5.params import *
39from m5.proxy import *
40
41from BaseCPU import BaseCPU
42from KvmVM import KvmVM
43
44class BaseKvmCPU(BaseCPU):
45    type = 'BaseKvmCPU'
46    cxx_header = "cpu/kvm/base.hh"
47    abstract = True
48
49    @classmethod
50    def export_method_cxx_predecls(cls, code):
51        code('#include "cpu/kvm/base.hh"')
52
53    @classmethod
54    def export_methods(cls, code):
55        code('''
56      void dump();
57''')
58
59    @classmethod
60    def memory_mode(cls):
61        return 'atomic_noncaching'
62
63    @classmethod
64    def require_caches(cls):
65        return False
66
67    @classmethod
68    def support_take_over(cls):
69        return True
70
71    kvmVM = Param.KvmVM(Parent.any, 'KVM VM (i.e., shared memory domain)')
72    usePerfOverflow = Param.Bool(False, "Use perf event overflow counters (EXPERIMENTAL)")
73    hostFactor = Param.Float(1.0, "Cycle scale factor")
74