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/*
* BASED UPON SOURCE IN RTEMS, MODIFIED FOR SIMULATOR
*/
/*
* COPYRIGHT (c) 1989-2014.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#define SAPI_INIT
#define SCORE_INIT
#define RTEMS_API_INIT
#define POSIX_API_INIT
#include <rtems/system.h>
#include <rtems/score/assert.h>
#include <rtems/config.h>
#include <rtems/debug.h>
#include <rtems/extensionimpl.h>
#include <rtems/fatal.h>
#include <rtems/init.h>
#include <rtems/io.h>
#include <rtems/score/sysstate.h>
#include <rtems/score/apiext.h>
#include <rtems/score/apimutex.h>
#include <rtems/score/cpusetimpl.h>
#include <rtems/score/userextimpl.h>
#include <rtems/score/schedulerimpl.h>
#include <rtems/score/smpimpl.h>
#include <rtems/score/threadimpl.h>
#include <rtems/score/todimpl.h>
#include <rtems/score/watchdogimpl.h>
#include <rtems/score/wkspace.h>
#include <rtems/rtems/tasksimpl.h>
#include <rtems/rtems/semimpl.h>
#include <rtems/posix/keyimpl.h>
void Init__wrap__Thread_Dispatch();
/*
* Declare Object Information tables directly here instead of API
* specific initialization files as in cpukit/sapi/src.
*/
Objects_Information *_Internal_Objects[ OBJECTS_INTERNAL_CLASSES_LAST + 1 ];
Objects_Information *_RTEMS_Objects[ OBJECTS_RTEMS_CLASSES_LAST + 1 ];
Objects_Information *_POSIX_Objects[ OBJECTS_POSIX_CLASSES_LAST + 1 ];
extern void check_heir_and_executing(void);
void rtems_initialize_data_structures(void)
{
_System_state_Handler_initialization( FALSE );
/*
* Do this as early as possible to ensure no debugging output
* is even attempted to be printed.
*/
_Debug_Manager_initialization();
_API_extensions_Initialization();
_Thread_Dispatch_initialization();
_User_extensions_Handler_initialization();
_ISR_Handler_initialization();
/*
* Initialize the internal support API and allocator Mutex
*/
_Objects_Information_table[OBJECTS_INTERNAL_API] = _Internal_Objects;
_API_Mutex_Initialization( 2 );
_API_Mutex_Allocate( &_RTEMS_Allocator_Mutex );
_API_Mutex_Allocate( &_Once_Mutex );
_Watchdog_Handler_initialization();
_TOD_Handler_initialization();
_Thread_Handler_initialization();
_Scheduler_Handler_initialization();
_SMP_Handler_initialize();
_CPU_set_Handler_initialization();
/* MANAGERS */
/*
* Install our API Object Management Table and initialize the
* various managers.
*/
_Objects_Information_table[OBJECTS_CLASSIC_API] = _RTEMS_Objects;
_RTEMS_tasks_Manager_initialization();
_Semaphore_Manager_initialization();
/*
* Install our API Object Management Table and initialize the
* various managers.
*/
_Objects_Information_table[OBJECTS_POSIX_API] = _POSIX_Objects;
_POSIX_Key_Manager_initialization();
/*
* Discover and initialize the secondary cores in an SMP system.
*/
_SMP_Handler_initialize();
_System_state_Set( SYSTEM_STATE_BEFORE_MULTITASKING );
/*
* No threads should be created before this point!!!
* _Thread_Executing and _Thread_Heir are not set.
*
* At this point all API extensions are in place. After the call to
* _Thread_Create_idle() _Thread_Executing and _Thread_Heir will be set.
*/
_Thread_Create_idle();
/*
* Scheduling can properly occur now as long as we avoid dispatching.
*/
_System_state_Set( SYSTEM_STATE_UP );
_SMP_Request_start_multitasking();
_Thread_Start_multitasking();
/* Add Initialization of the Thread_Dispatch wrapper */
Init__wrap__Thread_Dispatch();
/*
* Now we are back in a non-dispatching critical section
*/
#if defined(RTEMS_SMP)
{
ISR_Level level;
/*
* On SMP we enter _Thread_Handler() with interrupts disabled and
* _Thread_Dispatch() obtained the per-CPU lock for us. We have to
* release it here and set the desired interrupt level of the thread.
*/
Per_CPU_Control *cpu_self = _Per_CPU_Get();
_Assert( cpu_self->thread_dispatch_disable_level == 1 );
_Assert( _ISR_Get_level() != 0 );
cpu_self->thread_dispatch_disable_level = 0;
_Profiling_Thread_dispatch_enable( cpu_self, 0 );
_Per_CPU_Release( cpu_self );
level = _Thread_Executing->Start.isr_level;
_ISR_Set_level( level);
/*
* The thread dispatch level changed from one to zero. Make sure we lose
* no thread dispatch necessary update.
*/
_Thread_Dispatch();
}
#else
_Thread_Enable_dispatch();
#endif
/*
* Print an initial message
*/
check_heir_and_executing();
}
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