genode/base-hw/include/vm_session/vm_session.h
Stefan Kalkowski ae291b557d Extend base-hw specific vm-session (fix #738)
Introduce pause syscall for VM objects, and extend the vm-session interface
to support it.
2013-05-10 11:16:13 +02:00

70 lines
1.5 KiB
C++

/*
* \brief VM-session interface
* \author Stefan Kalkowski
* \date 2012-10-02
*/
/*
* Copyright (C) 2012-2013 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
*/
#ifndef _INCLUDE__VM_SESSION__VM_SESSION_H_
#define _INCLUDE__VM_SESSION__VM_SESSION_H_
/* Genode includes */
#include <base/rpc_args.h>
#include <base/signal.h>
#include <session/session.h>
#include <ram_session/ram_session.h>
namespace Genode {
struct Vm_session : Session
{
static const char *service_name() { return "VM"; }
/**
* Destructor
*/
virtual ~Vm_session() { }
/**
* Get dataspace of the CPU state of the VM
*/
virtual Dataspace_capability cpu_state(void) = 0;
/**
* Register signal handler for exceptions of the Vm
*/
virtual void exception_handler(Signal_context_capability handler) = 0;
/**
* (Re-)Start execution of the VM
*/
virtual void run(void) {}
/**
* Stop execution of the VM
*/
virtual void pause(void) {}
/*********************
** RPC declaration **
*********************/
GENODE_RPC(Rpc_cpu_state, Dataspace_capability, cpu_state);
GENODE_RPC(Rpc_exception_handler, void, exception_handler,
Signal_context_capability);
GENODE_RPC(Rpc_run, void, run);
GENODE_RPC(Rpc_pause, void, pause);
GENODE_RPC_INTERFACE(Rpc_cpu_state, Rpc_exception_handler,
Rpc_run, Rpc_pause);
};
}
#endif /* _INCLUDE__VM_SESSION__VM_SESSION_H_ */