blob: d556458b0171b3b7ee3b713a79fa4f5f20bcb76e (
plain) (
tree)
|
|
/* Minimum Size Application Initialization
*
* COPYRIGHT (c) 1989-2008.
* 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.
*
* $Id$
*/
#define __RTEMS_VIOLATE_KERNEL_VISIBILITY__
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <bsp.h>
#include <rtems/score/thread.h>
rtems_task Init(
rtems_task_argument ignored
)
{
/* initialize application */
/* Real application would call idle loop functionality */
/* but in this case, just return and fall into a fatal error */
}
/* configuration information */
/*
* This fatal extension adds some bytes to the absolute minimum, but it
* prevents the _CPU_Fatal_halt().
*/
static void Fatal_extension(
uint32_t source,
bool is_internal,
uint32_t error
)
{
_Thread_Stop_multitasking();
}
#define CONFIGURE_INITIAL_EXTENSIONS { .fatal = Fatal_extension }
/*
* This application has no device drivers.
*/
/* NOTICE: the clock driver is explicitly disabled */
#define CONFIGURE_APPLICATION_DOES_NOT_NEED_CLOCK_DRIVER
/*
* This application has no filesytem and libio support.
*/
#define CONFIGURE_APPLICATION_DISABLE_FILESYSTEM
/*
* This disables reentrancy support in the C Library. It is usually
* not something an application wants to do unless the development
* team is committed to using C Library routines that are KNOWN to
* be reentrant. Caveat Emptor!!
*/
#define CONFIGURE_DISABLE_NEWLIB_REENTRANCY
/*
* This test does not need the console driver so there is no reason
* to configure termios.
*/
#define CONFIGURE_TERMIOS_DISABLED
/*
* This test does not use any stdio.
*/
#define CONFIGURE_LIBIO_MAXIMUM_FILE_DESCRIPTORS 0
/*
* This may prevent us from running on every architecture but it
* demonstrates that the user can specify how small of a minimum
* stack they want.
*/
#define CONFIGURE_MINIMUM_TASK_STACK_SIZE 512
/*
* This lowers the number of priorities that this test is able to
* use. The Idle task will be running at the lowest priority.
*/
#define CONFIGURE_MAXIMUM_PRIORITY 15
/*
* This disables Classic API Notepads and saves 16 uint32_t's of RAM
* per Task Control Block. If you aren't using these and are tight
* on RAM, this is an option.
*/
#define CONFIGURE_DISABLE_CLASSIC_API_NOTEPADS
/*
* This configures RTEMS to use a single memory pool for the RTEMS Workspace
* and C Program Heap. If not defined, there will be separate memory pools
* for the RTEMS Workspace and C Program Heap. Having separate pools
* does haved some advantages in the event a task blows a stack or writes
* outside its memory area. However, in low memory systems the overhead of
* the two pools plus the potential for unused memory in either pool is
* very undesirable.
*
* In high memory environments, this is desirable when you want to use
* the RTEMS "unlimited" objects option. You will be able to create objects
* until you run out of memory.
*/
#define CONFIGURE_UNIFIED_WORK_AREAS
/*
* In this application, the initialization task performs the system
* initialization and then transforms itself into the idle task.
*/
#define CONFIGURE_IDLE_TASK_BODY Init
#define CONFIGURE_IDLE_TASK_INITIALIZES_APPLICATION
/*
* If you are debugging confdefs.h, define this
*/
/* #define CONFIGURE_CONFDEFS_DEBUG */
/*
* Instantiate the configuration tables.
*/
#define CONFIGURE_INIT
#include <rtems/confdefs.h>
/* global variables */
|
