mirror of
https://github.com/genodelabs/genode.git
synced 2024-12-25 16:31:06 +00:00
57 lines
1.8 KiB
C++
57 lines
1.8 KiB
C++
/*
|
|
* \brief Client-side stub for region map
|
|
* \author Christian Helmuth
|
|
* \author Norman Feske
|
|
* \date 2006-07-11
|
|
*/
|
|
|
|
/*
|
|
* Copyright (C) 2006-2017 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 _INCLUDE__REGION_MAP__CLIENT_H_
|
|
#define _INCLUDE__REGION_MAP__CLIENT_H_
|
|
|
|
#include <base/rpc_client.h>
|
|
#include <region_map/region_map.h>
|
|
|
|
namespace Genode { class Region_map_client; }
|
|
|
|
|
|
class Genode::Region_map_client : public Rpc_client<Region_map>
|
|
{
|
|
private:
|
|
|
|
/*
|
|
* Multiple calls to get the dataspace capability on NOVA lead to the
|
|
* situation that the caller gets each time a new mapping of the same
|
|
* capability at different indices. But the client/caller assumes to
|
|
* get every time the very same index, e.g., in Noux the index is used
|
|
* to look up data structures attached to the capability. Therefore, we
|
|
* cache the dataspace capability on the first request.
|
|
*
|
|
* On all other base platforms, this member variable remains unused.
|
|
*/
|
|
Dataspace_capability _rm_ds_cap { };
|
|
|
|
public:
|
|
|
|
explicit Region_map_client(Capability<Region_map>);
|
|
|
|
Local_addr attach(Dataspace_capability ds, size_t size = 0,
|
|
off_t offset = 0, bool use_local_addr = false,
|
|
Local_addr local_addr = (void *)0,
|
|
bool executable = false,
|
|
bool writeable = true) override;
|
|
|
|
void detach(Local_addr) override;
|
|
void fault_handler(Signal_context_capability) override;
|
|
State state() override;
|
|
Dataspace_capability dataspace() override;
|
|
};
|
|
|
|
#endif /* _INCLUDE__REGION_MAP__CLIENT_H_ */
|