91 lines
2.2 KiB
C++
91 lines
2.2 KiB
C++
/*
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* \brief Core-specific instance of the VM session interface
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* \author Stefan Kalkowski
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* \date 2015-06-03
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*/
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/*
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* Copyright (C) 2015-2017 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU Affero General Public License version 3.
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*/
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#ifndef _CORE__SPEC__X86_64__MUEN__VM_SESSION_COMPONENT_H_
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#define _CORE__SPEC__X86_64__MUEN__VM_SESSION_COMPONENT_H_
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/* Genode includes */
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#include <base/allocator.h>
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#include <base/rpc_server.h>
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#include <vm_session/vm_session.h>
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#include <dataspace/capability.h>
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/* Core includes */
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#include <dataspace_component.h>
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#include <object.h>
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#include <kernel/vm.h>
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namespace Genode {
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class Vm_session_component;
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}
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class Genode::Vm_session_component
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:
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private Ram_quota_guard,
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private Cap_quota_guard,
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public Rpc_object<Vm_session, Vm_session_component>,
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private Kernel_object<Kernel::Vm>
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{
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private:
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Vm_state _state;
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public:
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Vm_session_component(Rpc_entrypoint &, Resources resources,
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Label const &, Diag, Ram_allocator &, Region_map &)
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:
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Ram_quota_guard(resources.ram_quota),
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Cap_quota_guard(resources.cap_quota),
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_state()
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{ }
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~Vm_session_component() { }
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using Ram_quota_guard::upgrade;
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using Cap_quota_guard::upgrade;
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using Genode::Rpc_object<Genode::Vm_session, Vm_session_component>::cap;
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/**************************
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** Vm session interface **
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**************************/
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Dataspace_capability _cpu_state(Vcpu_id) { return Dataspace_capability(); }
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void _exception_handler(Signal_context_capability handler, Vcpu_id)
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{
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if (!create(&_state, Capability_space::capid(handler), nullptr))
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warning("Cannot instantiate vm kernel object, "
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"invalid signal context?");
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}
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void _run(Vcpu_id)
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{
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if (Kernel_object<Kernel::Vm>::_cap.valid())
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Kernel::run_vm(kernel_object());
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}
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void _pause(Vcpu_id)
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{
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if (Kernel_object<Kernel::Vm>::_cap.valid())
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Kernel::pause_vm(kernel_object());
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}
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void attach(Dataspace_capability, addr_t) override { }
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void attach_pic(addr_t) override { }
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void detach(addr_t, size_t) override { }
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void _create_vcpu(Thread_capability) { }
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};
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#endif /* _CORE__SPEC__X86_64__MUEN__VM_SESSION_COMPONENT_H_ */
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