genode/repos/base-codezero/include/base/native_types.h

114 lines
2.6 KiB
C++

/*
* \brief Dummy definitions for native types used for compiling unit tests
* \author Norman Feske
* \date 2009-10-02
*/
/*
* Copyright (C) 2009-2013 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 _INCLUDE__BASE__NATIVE_TYPES_H_
#define _INCLUDE__BASE__NATIVE_TYPES_H_
#include <base/native_capability.h>
#include <base/stdint.h>
namespace Codezero {
struct l4_mutex;
enum { NILTHREAD = -1 };
}
namespace Genode {
class Platform_thread;
struct Cap_dst_policy
{
typedef int Dst;
static bool valid(Dst tid) { return tid != Codezero::NILTHREAD; }
static Dst invalid() { return Codezero::NILTHREAD; }
static void copy(void* dst, Native_capability_tpl<Cap_dst_policy>* src);
};
typedef Cap_dst_policy::Dst Native_thread_id;
struct Native_thread
{
Native_thread_id l4id;
/**
* Only used in core
*
* For 'Thread' objects created within core, 'pt' points to the
* physical thread object, which is going to be destroyed on
* destruction of the 'Thread'.
*/
Platform_thread *pt;
};
/**
* Empty UTCB type expected by the thread library
*
* On this kernel, UTCBs are not placed within the the context area. Each
* thread can request its own UTCB pointer using the kernel interface.
* However, we use the 'Native_utcb' member of the thread context to
* hold thread-specific data, i.e. the running lock used by the lock
* implementation.
*/
struct Native_utcb
{
private:
/**
* Prevent construction
*
* A UTCB is never constructed, it is backed by zero-initialized memory.
*/
Native_utcb();
/**
* Backing store for per-thread running lock
*
* The size of this member must equal 'sizeof(Codezero::l4_mutex)'.
* Unfortunately, we cannot include the Codezero headers here.
*/
int _running_lock;
public:
Codezero::l4_mutex *running_lock() {
return (Codezero::l4_mutex *)&_running_lock; }
};
typedef Native_capability_tpl<Cap_dst_policy> Native_capability;
typedef int Native_connection_state;
struct Native_config
{
/**
* Thread-context area configuration.
*/
static constexpr addr_t context_area_virtual_base() {
return 0x40000000UL; }
static constexpr addr_t context_area_virtual_size() {
return 0x10000000UL; }
/**
* Size of virtual address region holding the context of one thread
*/
static constexpr addr_t context_virtual_size() { return 0x00100000UL; }
};
struct Native_pd_args { };
}
#endif /* _INCLUDE__BASE__NATIVE_TYPES_H_ */