genode/base/src/core/include/cpu_root.h

68 lines
1.7 KiB
C++

/*
* \brief CPU root interface
* \author Christian Helmuth
* \date 2006-07-17
*/
/*
* Copyright (C) 2006-2013 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 _CORE__INCLUDE__CPU_ROOT_H_
#define _CORE__INCLUDE__CPU_ROOT_H_
/* Genode includes */
#include <root/component.h>
/* Core includes */
#include <cpu_session_component.h>
namespace Genode {
class Cpu_root : public Root_component<Cpu_session_component>
{
private:
Rpc_entrypoint *_thread_ep;
Pager_entrypoint *_pager_ep;
Allocator *_md_alloc;
protected:
Cpu_session_component *_create_session(char const *args,
Affinity const &affinity) {
return new (md_alloc())
Cpu_session_component(_thread_ep, _pager_ep, _md_alloc,
args, affinity); }
void _upgrade_session(Cpu_session_component *cpu, const char *args)
{
size_t ram_quota = Arg_string::find_arg(args, "ram_quota").long_value(0);
cpu->upgrade_ram_quota(ram_quota);
}
public:
/**
* Constructor
*
* \param session_ep entry point for managing cpu session objects
* \param thread_ep entry point for managing threads
* \param md_alloc meta data allocator to be used by root component
*/
Cpu_root(Rpc_entrypoint *session_ep,
Rpc_entrypoint *thread_ep,
Pager_entrypoint *pager_ep,
Allocator *md_alloc)
:
Root_component<Cpu_session_component>(session_ep, md_alloc),
_thread_ep(thread_ep), _pager_ep(pager_ep), _md_alloc(md_alloc)
{ }
};
}
#endif /* _CORE__INCLUDE__CPU_ROOT_H_ */