genode/repos/base-foc/src/core/include/cap_mapping.h

61 lines
1.4 KiB
C++

/*
* \brief Fiasco.OC specific capability mapping.
* \author Stefan Kalkowski
* \date 2012-02-22
*/
/*
* Copyright (C) 2012-2017 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__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:
Native_capability local; /* reference to cap that is mapped */
Fiasco::l4_cap_idx_t remote; /* index in cap-space of the other pd */
Cap_mapping(bool alloc=false,
Fiasco::l4_cap_idx_t r = Fiasco::L4_INVALID_CAP);
Cap_mapping(Native_capability cap,
Fiasco::l4_cap_idx_t r = Fiasco::L4_INVALID_CAP);
/**
* Map the cap in local to corresponding task.
*
* \param task capability of task to map to
*/
void map(Fiasco::l4_cap_idx_t task);
};
}
#endif /* _CORE__INCLUDE__CAP_MAPPING_H_ */