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/**
* @file
*
* @brief RTEMS_Malloc_Initialize() implementation.
*/
/*
* COPYRIGHT (c) 1989-2012.
* 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
#include <rtems/malloc.h>
#include "malloc_p.h"
#ifdef RTEMS_NEWLIB
rtems_malloc_statistics_t rtems_malloc_statistics;
void RTEMS_Malloc_Initialize(
const Heap_Area *areas,
size_t area_count,
Heap_Initialization_or_extend_handler extend
)
{
Heap_Control *heap = RTEMS_Malloc_Heap;
if ( !rtems_configuration_get_unified_work_area() ) {
Heap_Initialization_or_extend_handler init_or_extend = _Heap_Initialize;
uintptr_t page_size = CPU_HEAP_ALIGNMENT;
size_t i;
for (i = 0; i < area_count; ++i) {
const Heap_Area *area = &areas [i];
uintptr_t space_available = (*init_or_extend)(
heap,
area->begin,
area->size,
page_size
);
if ( space_available > 0 ) {
init_or_extend = extend;
}
}
if ( init_or_extend == _Heap_Initialize ) {
_Internal_error_Occurred(
INTERNAL_ERROR_CORE,
true,
INTERNAL_ERROR_NO_MEMORY_FOR_HEAP
);
}
}
/*
* If configured, initialize the statistics support
*/
if ( rtems_malloc_statistics_helpers != NULL ) {
(*rtems_malloc_statistics_helpers->initialize)();
}
MSBUMP( space_available, _Protected_heap_Get_size( heap ) );
}
#else
void RTEMS_Malloc_Initialize(
Heap_Area *areas,
size_t area_count,
Heap_Initialization_or_extend_handler extend
)
{
/* FIXME: Dummy function */
}
#endif
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