135 lines
2.3 KiB
C++
135 lines
2.3 KiB
C++
/*
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* \brief Platform-specific type definitions
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* \author Norman Feske
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* \date 2014-10-14
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*/
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/*
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* Copyright (C) 2013 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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#ifndef _INCLUDE__BASE__NATIVE_TYPES_H_
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#define _INCLUDE__BASE__NATIVE_TYPES_H_
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#include <base/stdint.h>
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#include <base/native_capability.h>
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namespace Genode {
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typedef int Native_thread_id;
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struct Native_thread
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{
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unsigned tcb_sel = 0;
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unsigned ep_sel = 0;
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unsigned rcv_sel = 0;
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};
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class Native_capability
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{
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public:
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/*
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* XXX remove dependency in 'process.cc' and 'core_env.h' from
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* 'Raw', 'Dst', and the 'dst' member.
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*/
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typedef int Dst;
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struct Raw { Dst dst = 0; long local_name = 0; };
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Dst dst() const { return 0; }
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/**
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* Forward declaration of the platform-specific internal capability
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* representation
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*/
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class Data;
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private:
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Data *_data = nullptr;
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protected:
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void _inc();
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void _dec();
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public:
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/**
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* Default constructor creates an invalid capability
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*/
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Native_capability() { }
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/**
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* Copy constructor
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*/
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Native_capability(const Native_capability &other)
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: _data(other._data) { _inc(); }
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/**
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* Construct capability manually
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*
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* This constructor is used internally.
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*
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* \noapi
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*/
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Native_capability(Data &data) : _data(&data) { _inc(); }
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/**
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* Destructor
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*/
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~Native_capability() { _dec(); }
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Data const *data() const { return _data; }
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/**
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* Overloaded comparision operator
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*/
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bool operator == (const Native_capability &o) const
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{
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return _data == o._data;
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}
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Native_capability& operator = (const Native_capability &o)
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{
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if (this == &o)
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return *this;
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_dec();
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_data = o._data;
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_inc();
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return *this;
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}
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long local_name() const;
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bool valid() const;
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};
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struct Native_utcb
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{
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/**
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* On seL4, the UTCB is called IPC buffer. We use one page
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* for each IPC buffer.
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*/
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enum { IPC_BUFFER_SIZE = 4096 };
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union {
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addr_t raw[IPC_BUFFER_SIZE/sizeof(addr_t)];
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struct {
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addr_t ep_sel;
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};
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};
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};
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struct Native_pd_args { };
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typedef int Native_connection_state;
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}
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#endif /* _INCLUDE__BASE__NATIVE_TYPES_H_ */
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