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155 lines
5.5 KiB
C
155 lines
5.5 KiB
C
/*HEADER*********************************************************************
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*
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* Copyright (c) 2008 Freescale Semiconductor;
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* All Rights Reserved
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*
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* Copyright (c) 2004-2008 Embedded Access Inc.;
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* All Rights Reserved
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*
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* Copyright (c) 1989-2008 ARC International;
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* All Rights Reserved
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*
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***************************************************************************
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*
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* THIS SOFTWARE IS PROVIDED BY FREESCALE "AS IS" AND ANY EXPRESSED OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL FREESCALE OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*
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**************************************************************************
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*
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* $FileName: lwmem.h$
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* $Version : 3.8.22.0$
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* $Date : Apr-13-2012$
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*
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* Comments:
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*
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* This file contains the structure definitions and constants for an
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* application which will be using MQX.
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* All compiler provided header files must be included before mqx.h.
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*
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*END************************************************************************/
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#ifndef __lwmem_h__
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#define __lwmem_h__
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#include <mqx_cnfg.h>
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#if (! MQX_USE_LWMEM) && (! defined (MQX_DISABLE_CONFIG_CHECK))
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#error LWMEM component is currently disabled in MQX kernel. Please set MQX_USE_LWMEM to 1 in user_config.h and recompile kernel.
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#endif
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#ifndef __ASM__
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/*--------------------------------------------------------------------------*/
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/*
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* DATATYPE DECLARATIONS
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*/
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typedef pointer _lwmem_pool_id;
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/* LWMEM POOL STRUCT */
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/*!
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* \brief This structure is used to define the information that defines what
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* defines a light weight memory pool.
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*/
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typedef struct lwmem_pool_struct
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{
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/*! \brief Links lightweight memory pools together. */
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QUEUE_ELEMENT_STRUCT LINK;
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/*! \brief Handle validation stamp. */
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_mqx_uint VALID;
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/*! \brief The address of the start of Memory Pool blocks. */
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pointer POOL_ALLOC_START_PTR;
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/*! \brief The address of the end of the Memory Pool. */
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pointer POOL_ALLOC_END_PTR;
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/*! \brief The address of the head of the memory pool free list. */
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pointer POOL_FREE_LIST_PTR;
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/*! \brief Pointer used when walking through free list by lwmem_alloc. */
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pointer POOL_ALLOC_PTR;
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/*! \brief Pointer used when freeing memory by lwmem_free. */
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pointer POOL_FREE_PTR;
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/*! \brief Pointer used when testing memory by lwmem_test. */
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pointer POOL_TEST_PTR;
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/*! \brief Pointer used when testing memory by lwmem_test. */
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pointer POOL_TEST2_PTR;
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/*! \brief Pointer used by lwmem_cleanup_internal. */
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pointer POOL_DESTROY_PTR;
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/*! \brief Pointer to highwater mark. */
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pointer HIGHWATER;
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} LWMEM_POOL_STRUCT, _PTR_ LWMEM_POOL_STRUCT_PTR;
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#define POOL_USER_RW_ACCESS (MPU_UM_RW)
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#define POOL_USER_RO_ACCESS (MPU_UM_R)
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#define POOL_USER_NO_ACCESS (0)
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/*--------------------------------------------------------------------------*/
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/*
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* PROTOTYPES OF FUNCTIONS
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef __TAD_COMPILE__
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extern pointer _lwmem_alloc(_mem_size);
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extern pointer _lwmem_alloc_at(_mem_size, pointer);
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extern pointer _lwmem_alloc_align(_mem_size, _mem_size);
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extern pointer _lwmem_alloc_align_from(_lwmem_pool_id, _mem_size, _mem_size);
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extern pointer _lwmem_alloc_zero(_mem_size);
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extern pointer _lwmem_alloc_from(_lwmem_pool_id, _mem_size);
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extern pointer _lwmem_alloc_zero_from(_lwmem_pool_id, _mem_size);
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extern _mem_size _lwmem_get_free(void);
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extern _mem_size _lwmem_get_free_from(_lwmem_pool_id);
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extern pointer _lwmem_alloc_system(_mem_size);
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extern pointer _lwmem_alloc_system_zero(_mem_size);
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extern pointer _lwmem_alloc_system_from(_lwmem_pool_id, _mem_size);
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extern pointer _lwmem_alloc_system_zero_from(_lwmem_pool_id, _mem_size);
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extern _lwmem_pool_id _lwmem_create_pool(LWMEM_POOL_STRUCT_PTR, pointer, _mem_size);
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extern _lwmem_pool_id _lwmem_create_pool_mapped(pointer start, _mem_size size);
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extern _mqx_uint _lwmem_free(pointer);
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extern _mqx_uint _lwmem_get_size(pointer);
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extern _lwmem_pool_id _lwmem_set_default_pool(_lwmem_pool_id);
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extern _mqx_uint _lwmem_test(_lwmem_pool_id _PTR_, pointer _PTR_);
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extern _mqx_uint _lwmem_transfer(pointer, _task_id, _task_id);
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extern _lwmem_pool_id _lwmem_get_system_pool_id(void);
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extern _mem_type _lwmem_get_type(pointer);
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extern boolean _lwmem_set_type(pointer,_mem_type);
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extern pointer _lwmem_get_highwater(void) ;
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#if MQX_ENABLE_USER_MODE
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extern pointer _usr_lwmem_alloc(_mem_size);
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extern pointer _usr_lwmem_alloc_from(_lwmem_pool_id, _mem_size);
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extern _mqx_uint _usr_lwmem_free(pointer);
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extern _lwmem_pool_id _usr_lwmem_create_pool(LWMEM_POOL_STRUCT_PTR, pointer, _mem_size);
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extern _mqx_uint _mem_set_pool_access(_lwmem_pool_id, uint_32);
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#endif
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* _ASM_ */
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#endif /* __lwmem_h__ */
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/* EOF */
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