67 lines
1.5 KiB
C
67 lines
1.5 KiB
C
|
/*
|
||
|
* \brief Fiasco.OC specific capability mapping.
|
||
|
* \author Stefan Kalkowski
|
||
|
* \date 2012-02-22
|
||
|
*/
|
||
|
|
||
|
/*
|
||
|
* Copyright (C) 2012 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__CAP_MAPPING_H_
|
||
|
#define _CORE__INCLUDE__CAP_MAPPING_H_
|
||
|
|
||
|
/* core includes */
|
||
|
#include <cap_index.h>
|
||
|
#include <util/noncopyable.h>
|
||
|
|
||
|
namespace Genode {
|
||
|
|
||
|
/**
|
||
|
* A Cap_mapping embodies a capability of core, and its mapped
|
||
|
* copy in another protection domain.
|
||
|
*/
|
||
|
class Cap_mapping : Noncopyable
|
||
|
{
|
||
|
private:
|
||
|
|
||
|
/**
|
||
|
* Helper function for construction purposes.
|
||
|
*
|
||
|
* Allocates a new capability id and Core_cap_index and inserts
|
||
|
* it in the Cap_map.
|
||
|
*
|
||
|
* \return pointer to newly constructed Core_cap_index object
|
||
|
*/
|
||
|
inline Core_cap_index* _get_cap();
|
||
|
|
||
|
public:
|
||
|
|
||
|
Core_cap_index* local; /* reference to cap that is mapped */
|
||
|
Native_thread_id remote; /* index in cap-space of the other pd */
|
||
|
|
||
|
Cap_mapping(bool alloc=false,
|
||
|
Native_thread_id r = Fiasco::L4_INVALID_CAP);
|
||
|
Cap_mapping(Core_cap_index* i,
|
||
|
Native_thread_id r = Fiasco::L4_INVALID_CAP);
|
||
|
~Cap_mapping();
|
||
|
|
||
|
/**
|
||
|
* Map the cap in local to corresponding task.
|
||
|
*
|
||
|
* \param task capability of task to map to
|
||
|
*/
|
||
|
void map(Native_task task);
|
||
|
|
||
|
/**
|
||
|
* Unmap all child mappings
|
||
|
*/
|
||
|
void unmap();
|
||
|
};
|
||
|
}
|
||
|
|
||
|
#endif /* _CORE__INCLUDE__CAP_MAPPING_H_ */
|