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https://gitlab.rtems.org/rtems/rtos/rtems.git
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Sebastian Huber
f2185d1099
Before this patch RTEMS_Malloc_Initialize() had a fixed dependency on _Workspace_Area. Introduce _Workspace_Malloc_initializer to have this dependency only if CONFIGURE_UNIFIED_WORK_AREAS is defined by the application configuration.
82 lines
1.8 KiB
C
82 lines
1.8 KiB
C
/**
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* @file
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*
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* @brief RTEMS_Malloc_Initialize() implementation.
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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 <rtems/malloc.h>
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#include <rtems/score/wkspace.h>
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#include "malloc_p.h"
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#ifdef RTEMS_NEWLIB
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static Heap_Control _Malloc_Heap;
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Heap_Control *RTEMS_Malloc_Initialize(
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const Memory_Information *mem,
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Heap_Initialization_or_extend_handler extend
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)
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{
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Heap_Control *heap;
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Heap_Initialization_or_extend_handler init_or_extend;
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uintptr_t page_size;
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size_t i;
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heap = &_Malloc_Heap;
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RTEMS_Malloc_Heap = heap;
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init_or_extend = _Heap_Initialize;
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page_size = CPU_HEAP_ALIGNMENT;
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for (i = 0; i < _Memory_Get_count( mem ); ++i) {
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Memory_Area *area;
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uintptr_t space_available;
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area = _Memory_Get_area( mem, i );
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space_available = ( *init_or_extend )(
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heap,
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_Memory_Get_free_begin( area ),
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_Memory_Get_free_size( area ),
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page_size
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);
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if ( space_available > 0 ) {
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_Memory_Consume( area, _Memory_Get_free_size( area ) );
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init_or_extend = extend;
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}
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}
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if ( init_or_extend == _Heap_Initialize ) {
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_Internal_error( INTERNAL_ERROR_NO_MEMORY_FOR_HEAP );
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}
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return heap;
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}
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#else
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Heap_Control *RTEMS_Malloc_Initialize(
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const Memory_Information *mem,
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Heap_Initialization_or_extend_handler extend
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)
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{
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/* FIXME: Dummy function */
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return NULL;
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}
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#endif
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Heap_Control *_Workspace_Malloc_initialize_separate( void )
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{
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return RTEMS_Malloc_Initialize( _Memory_Get(), _Heap_Extend );
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}
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