forked from Imagelibrary/rtems
118 lines
3.1 KiB
C
118 lines
3.1 KiB
C
/**
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* @file
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*
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* Minimum Size Application Initialization
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*/
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/*
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* COPYRIGHT (c) 1989-2012.
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* On-Line Applications Research Corporation (OAR).
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.org/license/LICENSE.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <bsp.h>
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#include <rtems/score/thread.h>
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static void *Init( uintptr_t ignored )
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{
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/* initialize application */
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/* Real application would call idle loop functionality */
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/* but in this case, just return and fall into a fatal error */
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return NULL;
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}
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/* configuration information */
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/*
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* This application has no device drivers.
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*/
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/* NOTICE: the clock driver is explicitly disabled */
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#define CONFIGURE_APPLICATION_DOES_NOT_NEED_CLOCK_DRIVER
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/*
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* This application has no filesytem and libio support.
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*/
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#define CONFIGURE_APPLICATION_DISABLE_FILESYSTEM
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/*
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* This disables reentrancy support in the C Library. It is usually
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* not something an application wants to do unless the development
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* team is committed to using C Library routines that are KNOWN to
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* be reentrant. Caveat Emptor!!
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*/
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#define CONFIGURE_DISABLE_NEWLIB_REENTRANCY
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/*
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* This test does not use any stdio.
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*/
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#define CONFIGURE_LIBIO_MAXIMUM_FILE_DESCRIPTORS 0
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/*
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* This may prevent us from running on every architecture but it
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* demonstrates that the user can specify how small of a minimum
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* stack they want.
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*/
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#define CONFIGURE_MINIMUM_TASK_STACK_SIZE 512
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/*
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* Keep the interrupt/initialization stack as is. Otherwise, the test may fail
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* in the low level system initialization.
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*/
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#ifdef BSP_INTERRUPT_STACK_SIZE
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#define CONFIGURE_INTERRUPT_STACK_SIZE BSP_INTERRUPT_STACK_SIZE
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#else
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#define CONFIGURE_INTERRUPT_STACK_SIZE CPU_STACK_MINIMUM_SIZE
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#endif
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/*
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* This lowers the number of priorities that this test is able to
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* use. The Idle task will be running at the lowest priority.
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*/
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#define CONFIGURE_MAXIMUM_PRIORITY 15
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/*
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* This configures RTEMS to use a single memory pool for the RTEMS Workspace
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* and C Program Heap. If not defined, there will be separate memory pools
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* for the RTEMS Workspace and C Program Heap. Having separate pools
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* does haved some advantages in the event a task blows a stack or writes
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* outside its memory area. However, in low memory systems the overhead of
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* the two pools plus the potential for unused memory in either pool is
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* very undesirable.
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*
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* In high memory environments, this is desirable when you want to use
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* the RTEMS "unlimited" objects option. You will be able to create objects
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* until you run out of memory.
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*/
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#define CONFIGURE_UNIFIED_WORK_AREAS
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/*
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* In this application, the initialization task performs the system
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* initialization and then transforms itself into the idle task.
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*/
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#define CONFIGURE_IDLE_TASK_BODY Init
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#define CONFIGURE_IDLE_TASK_INITIALIZES_APPLICATION
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/*
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* If you are debugging confdefs.h, define this
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*/
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/* #define CONFIGURE_CONFDEFS_DEBUG */
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/*
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* Instantiate the configuration tables.
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*/
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#define CONFIGURE_INIT
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#include <rtems/confdefs.h>
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/* global variables */
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