95 lines
2.2 KiB
C++
95 lines
2.2 KiB
C++
/*
|
|
* \brief Native types on OKL4
|
|
* \author Norman Feske
|
|
* \date 2008-07-26
|
|
*/
|
|
|
|
/*
|
|
* Copyright (C) 2008-2013 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 Okl4 { extern "C" {
|
|
#include <l4/types.h>
|
|
} }
|
|
|
|
namespace Genode {
|
|
|
|
class Platform_thread;
|
|
|
|
/**
|
|
* Index of the UTCB's thread word used for storing the own global
|
|
* thread ID
|
|
*/
|
|
enum { UTCB_TCR_THREAD_WORD_MYSELF = 0 };
|
|
|
|
namespace Thread_id_bits {
|
|
|
|
/*
|
|
* L4 thread ID has 18 bits for thread number and 14 bits for
|
|
* version info.
|
|
*/
|
|
enum { PD = 8, THREAD = 5 };
|
|
}
|
|
|
|
typedef Okl4::L4_ThreadId_t Native_thread_id;
|
|
|
|
inline bool operator == (Native_thread_id t1, Native_thread_id t2) {
|
|
return t1.raw == t2.raw; }
|
|
|
|
inline bool operator != (Native_thread_id t1, Native_thread_id t2) {
|
|
return t1.raw != t2.raw; }
|
|
|
|
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;
|
|
};
|
|
|
|
inline unsigned long convert_native_thread_id_to_badge(Native_thread_id tid)
|
|
{
|
|
/*
|
|
* OKL4 has no server-defined badges for page-fault messages.
|
|
* Therefore, we have to interpret the sender ID as badge.
|
|
*/
|
|
return tid.raw;
|
|
}
|
|
|
|
/**
|
|
* Empty UTCB type expected by the thread library, unused on OKL4
|
|
*
|
|
* On this kernel, UTCBs are not placed within the stack area. Each
|
|
* thread can request its own UTCB pointer using the kernel interface.
|
|
*/
|
|
typedef struct { } Native_utcb;
|
|
|
|
struct Cap_dst_policy
|
|
{
|
|
typedef Okl4::L4_ThreadId_t Dst;
|
|
static bool valid(Dst tid) { return !Okl4::L4_IsNilThread(tid); }
|
|
static Dst invalid() { return Okl4::L4_nilthread; }
|
|
static void copy(void* dst, Native_capability_tpl<Cap_dst_policy>* src);
|
|
};
|
|
|
|
typedef Native_capability_tpl<Cap_dst_policy> Native_capability;
|
|
typedef Okl4::L4_ThreadId_t Native_connection_state;
|
|
}
|
|
|
|
#endif /* _INCLUDE__BASE__NATIVE_TYPES_H_ */
|