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/*******************************************************************************
* Copyright (C) ST-Ericsson SA 2011
* License terms: 3-clause BSD license
******************************************************************************/
#ifndef _R_MEMMORY_UTILS_H_
#define _R_MEMMORY_UTILS_H_
/**
* @addtogroup ldr_utilities
* @{
* @addtogroup memmory_utils
* @{
*/
/*******************************************************************************
* Includes
******************************************************************************/
#include <stdlib.h>
#include "error_codes.h"
#include "t_basicdefinitions.h"
#ifdef CFG_ENABLE_LOADER_TYPE
#include "cpu_support.h"
/*******************************************************************************
* Macro that release allocated memory space in heap.
******************************************************************************/
#define BUFFER_FREE(Buffer) \
if (NULL != (Buffer)) \
{ \
CPU_Irq_State_t IRQ_status; \
\
IRQ_status = CPU_IrqDisable();\
free(Buffer); \
(Buffer) = NULL; \
\
if (IRQ_status == CPU_IRQ_ENABLE)\
{\
CPU_IrqEnable();\
}\
}
#else //CFG_ENABLE_LOADER_TYPE
#define BUFFER_FREE(Buffer) \
if (NULL != (Buffer)) \
{ \
free(Buffer); \
(Buffer) = NULL; \
}
#endif // CFG_ENABLE_LOADER_TYPE
/**
* Macro that check alignment. If variable is not aligned it set the status
* variable ReturnValue to appropriate error code and send the function to error
* label.
*
* @param [in] x Variable for alignemend check.
*
* @sigbased No - Macro
*/
#define IS_ALIGNED(x) if(((x) & 3)) \
{ \
ReturnValue = E_UNALIGNED_DATA; \
goto ErrorExit; \
} \
/** @} */
/** @} */
#endif /*_R_MEMMORY_UTILS_H_*/
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