Class: Hypervisor::VCPU

Inherits:
Object
  • Object
show all
Defined in:
lib/hypervisor/vcpu.rb

Instance Method Summary collapse

Constructor Details

#initialize(flags = VCPU_DEFAULT) ⇒ VCPU

Returns a new instance of VCPU.



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# File 'lib/hypervisor/vcpu.rb', line 3

def initialize(flags = VCPU_DEFAULT)
  FFI::MemoryPointer.new(:uint, 1) do |vcpu|
    Framework.return_t(Framework.hv_vcpu_create(vcpu, flags))

    @vcpu = vcpu.get_uint(0)
  end
end

Instance Method Details

#destroy! ⇒ Object 



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# File 'lib/hypervisor/vcpu.rb', line 11

def destroy!
  Framework.return_t(Framework.hv_vcpu_destroy(@vcpu))
end

#flags ⇒ Object 



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# File 'lib/hypervisor/vcpu.rb', line 113

def flags
  read_register(Hypervisor::X86_RFLAGS)
end

#flags=(value) ⇒ Object 



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# File 'lib/hypervisor/vcpu.rb', line 117

def flags=(value)
  write_register(Hypervisor::X86_RFLAGS, value)
end

#flush ⇒ Object 



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# File 'lib/hypervisor/vcpu.rb', line 15

def flush
  Framework.return_t(Framework.hv_vcpu_flush(@vcpu))
end

#invalidate_tlb ⇒ Object 



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# File 'lib/hypervisor/vcpu.rb', line 19

def invalidate_tlb
  Framework.return_t(Framework.hv_vcpu_invalidate_tlb(@vcpu))
end

#read_register(register) ⇒ Object 



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# File 'lib/hypervisor/vcpu.rb', line 27

def read_register(register)
  FFI::MemoryPointer.new(:uint64_t, 1) do |value|
    Framework.return_t(Framework.hv_vcpu_read_register(@vcpu, register, value))

    return value.get_uint64(0)
  end
end

#read_vmcs(field) ⇒ Object 



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# File 'lib/hypervisor/vcpu.rb', line 39

def read_vmcs(field)
  FFI::MemoryPointer.new(:uint64_t, 1) do |value|
    Framework.return_t(Framework.hv_vmx_vcpu_read_vmcs(@vcpu, field, value))

    return value.get_uint64(0)
  end
end

#run ⇒ Object 



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# File 'lib/hypervisor/vcpu.rb', line 23

def run
  Framework.return_t(Framework.hv_vcpu_run(@vcpu))
end

#write_register(register, value) ⇒ Object 



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# File 'lib/hypervisor/vcpu.rb', line 35

def write_register(register, value)
  Framework.return_t(Framework.hv_vcpu_write_register(@vcpu, register, value))
end

#write_vmcs(field, value) ⇒ Object 



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# File 'lib/hypervisor/vcpu.rb', line 47

def write_vmcs(field, value)
  Framework.return_t(Framework.hv_vmx_vcpu_write_vmcs(@vcpu, field, value))
end