104 lines
2.2 KiB
C++
104 lines
2.2 KiB
C++
/*
|
|
* \brief Instance of the (Genode) capability space for non-core components
|
|
* \author Norman Feske
|
|
* \date 2015-05-11
|
|
*/
|
|
|
|
/*
|
|
* Copyright (C) 2015-2017 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.
|
|
*/
|
|
|
|
/* base includes */
|
|
#include <base/capability.h>
|
|
#include <base/log.h>
|
|
|
|
/* base-internal includes */
|
|
#include <base/internal/capability_space_tpl.h>
|
|
|
|
|
|
/**
|
|
* Definition of capability meta data
|
|
*/
|
|
struct Genode::Native_capability::Data : Capability_data
|
|
{
|
|
Rpc_destination dst { invalid_rpc_destination() };
|
|
|
|
Data(Rpc_destination dst, Rpc_obj_key key)
|
|
: Capability_data(key), dst(dst) { }
|
|
|
|
Data() { }
|
|
};
|
|
|
|
|
|
using namespace Genode;
|
|
|
|
|
|
/**
|
|
* Singleton instance of component-local capability space
|
|
*/
|
|
namespace {
|
|
|
|
enum { NUM_LOCAL_CAPS = 64*1024 };
|
|
|
|
using Local_capability_space
|
|
= Capability_space_tpl<NUM_LOCAL_CAPS, Native_capability::Data>;
|
|
|
|
static Local_capability_space &local_capability_space()
|
|
{
|
|
static Local_capability_space capability_space;
|
|
return capability_space;
|
|
}
|
|
}
|
|
|
|
|
|
/******************************************************
|
|
** Implementation of the Capability_space interface **
|
|
******************************************************/
|
|
|
|
void Capability_space::dec_ref(Native_capability::Data &data)
|
|
{
|
|
local_capability_space().dec_ref(data);
|
|
}
|
|
|
|
|
|
void Capability_space::inc_ref(Native_capability::Data &data)
|
|
{
|
|
local_capability_space().inc_ref(data);
|
|
}
|
|
|
|
|
|
Rpc_obj_key Capability_space::rpc_obj_key(Native_capability::Data const &data)
|
|
{
|
|
return Local_capability_space::rpc_obj_key(data);
|
|
}
|
|
|
|
|
|
Capability_space::Ipc_cap_data Capability_space::ipc_cap_data(Native_capability const &cap)
|
|
{
|
|
return Local_capability_space::ipc_cap_data(*cap.data());
|
|
}
|
|
|
|
|
|
Native_capability Capability_space::lookup(Rpc_obj_key rpc_obj_key)
|
|
{
|
|
return local_capability_space().lookup(rpc_obj_key);
|
|
}
|
|
|
|
|
|
Native_capability Capability_space::import(Rpc_destination dst, Rpc_obj_key key)
|
|
{
|
|
return local_capability_space().import(dst, key);
|
|
}
|
|
|
|
|
|
size_t Capability_space::max_caps() { return NUM_LOCAL_CAPS; }
|
|
|
|
|
|
void Capability_space::print(Output &out, Native_capability::Data const &data)
|
|
{
|
|
Local_capability_space::print(out, data);
|
|
}
|