genode/repos/base/src/core/include/rm_root.h

76 lines
1.9 KiB
C++

/*
* \brief RM root interface
* \author Norman Feske
* \date 2016-04-17
*/
/*
* Copyright (C) 2016-2017 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__INCLUDE__RM_ROOT_H_
#define _CORE__INCLUDE__RM_ROOT_H_
/* Genode includes */
#include <root/component.h>
/* core-local includes */
#include <rm_session_component.h>
#include <rpc_cap_factory.h>
namespace Genode { class Rm_root; }
class Genode::Rm_root : public Root_component<Rm_session_component>
{
private:
Ram_allocator &_ram_alloc;
Region_map &_local_rm;
Pager_entrypoint &_pager_ep;
protected:
Rm_session_component *_create_session(const char *args) override
{
return new (md_alloc())
Rm_session_component(*this->ep(),
session_resources_from_args(args),
session_label_from_args(args),
session_diag_from_args(args),
_ram_alloc, _local_rm, _pager_ep);
}
void _upgrade_session(Rm_session_component *rm, const char *args) override
{
rm->upgrade(ram_quota_from_args(args));
rm->upgrade(cap_quota_from_args(args));
}
public:
/**
* Constructor
*
* \param session_ep entry point for managing RM session objects
* \param md_alloc meta data allocator to for session objects
* \param ram_alloc RAM allocator used for session-internal
* allocations
* \param pager_ep pager entrypoint
*/
Rm_root(Rpc_entrypoint &session_ep,
Allocator &md_alloc,
Ram_allocator &ram_alloc,
Region_map &local_rm,
Pager_entrypoint &pager_ep)
:
Root_component<Rm_session_component>(&session_ep, &md_alloc),
_ram_alloc(ram_alloc), _local_rm(local_rm), _pager_ep(pager_ep)
{ }
};
#endif /* _CORE__INCLUDE__RM_ROOT_H_ */