genode/repos/base-hw/src/core/spec/x86_64/muen/vm_session_component.h

91 lines
2.2 KiB
C++

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