tsi_malloc_intern.h

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/**
 ****************************************************************************************
 *
 * @file    tsi_malloc_intern.h
 * @author  BLE Driver Team
 * @brief   Header file containing functions prototypes of Graphics library.
 *
 ****************************************************************************************
 * @attention
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  * Neither the name of GOODIX nor the names of its contributors may be used
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  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 ****************************************************************************************
 */
 
/** @addtogroup GRAPHICS_SDK Graphics
 *  @{
 */
 
/** @addtogroup GRAPHICS_COMMON Common
  * @{
  */
 
/** @defgroup MALLOC_INTERNAL GPU Internal Malloc
 * @brief graphics malloc. internal used
 * @{
 */
 
#ifndef TSI_MALLOC_INTERN_H__
#define TSI_MALLOC_INTERN_H__
 
#ifdef __cplusplus
extern "C" {
#endif
 
 
/**
 * @defgroup MALLOC_INTERNAL_MACRO Defines
 * @{
 */
 
#ifndef MAX_MEM_POOLS
    #define MAX_MEM_POOLS 4                             /**< count of memory pool */
#endif // MAX_MEM_POOLS
 
#define ALIGNNUM  (16)                                  /**< align bytes */
#define ALIGNMASK (ALIGNNUM-1)                          /**< align mask */
#define ALIGN(s) ((((s)+ALIGNMASK)/ALIGNNUM)*ALIGNNUM)  /**< align address */
 
#define FLAG_EMPTY    0xf1fa1U                          /**< empty flag */
#define FLAG_NONEMPTY 0xf1fa2U                          /**< non-empty flag */
 
#define IS_LAST(c) ( (c)->next_offset == 0U )           /**< check is last or not */
#define OFFSET(c) ((uintptr_t)(c) - (uintptr_t)HEAD)    /**< offset from pool head */
/** @} */
 
/** @addtogroup MALLOC_INTERNAL_STRUCT Structure
  * @{
  */
  
/**
  * @brief  memory cell structure
  */
typedef struct cell {
    int         size;           /**< cell size */
    unsigned    flags;          /**< cell state flag */
    uintptr_t   next_offset;    /**< Next cell offset */
} cell_t;
 
/**
  * @brief  size of memory cell structure
  */
static const int cell_t_size = (ALIGN((int)sizeof(cell_t)));
 
/**
  * @brief  memory pool structure
  */
typedef struct pool {
    uintptr_t base_phys;            /**< base physical address for pool */
    uintptr_t base_virt;            /**< base virtual address for pool */
    uintptr_t end_virt;             /**< end virtual address for pool */
    cell_t   *head_of_empty_list;   /**< list pointer */
    int size;                       /**< pool size in bytes */
} pool_t;
 
/** @} */
 
#ifdef __cplusplus
}
#endif
 
#endif
 
/** @} */
/** @} */
/** @} */