---

/* Some helper defines for common regions */

/* On Cortex-M, we can only set the XN bit when CONFIG_XIP=y. When
 * CONFIG_XIP=n, the entire image will be linked to SRAM, so we need to keep
 * the SRAM region XN bit clear or the application code will not be executable.
 */
#define REGION_RAM_ATTR(size)                                                                      \
	{(NORMAL_OUTER_INNER_WRITE_BACK_WRITE_READ_ALLOCATE_NON_SHAREABLE |                        \
	  IF_ENABLED(CONFIG_XIP, (MPU_RASR_XN_Msk |)) size | P_RW_U_NA_Msk)}
#define REGION_RAM_NOCACHE_ATTR(size)                                                              \
	{(NORMAL_OUTER_INNER_NON_CACHEABLE_NON_SHAREABLE | MPU_RASR_XN_Msk | size | P_RW_U_NA_Msk)}
#if defined(CONFIG_MPU_ALLOW_FLASH_WRITE)
#define REGION_FLASH_ATTR(size)                                                                    \
	{(NORMAL_OUTER_INNER_WRITE_THROUGH_NON_SHAREABLE | size | P_RW_U_RO_Msk)}
#else
#define REGION_FLASH_ATTR(size)                                                                    \
	{(NORMAL_OUTER_INNER_WRITE_THROUGH_NON_SHAREABLE | size | P_RO_U_RO_Msk)}
#endif
#define REGION_PPB_ATTR(size)    {(STRONGLY_ORDERED_SHAREABLE | size | P_RW_U_NA_Msk)}
#define REGION_IO_ATTR(size)     {(DEVICE_NON_SHAREABLE | size | P_RW_U_NA_Msk)}
#define REGION_EXTMEM_ATTR(size) {(STRONGLY_ORDERED_SHAREABLE | size | NO_ACCESS_Msk)}

struct arm_mpu_region_attr {
	/* Attributes belonging to RASR (including the encoded region size) */
	uint32_t rasr;
};

typedef struct arm_mpu_region_attr arm_mpu_region_attr_t;

/* Typedef for the k_mem_partition attribute */
typedef struct {
	uint32_t rasr_attr;
} k_mem_partition_attr_t;

/* Read-Write access permission attributes */
#define _K_MEM_PARTITION_P_NA_U_NA (NO_ACCESS_Msk | NOT_EXEC)
#define _K_MEM_PARTITION_P_RW_U_RW (P_RW_U_RW_Msk | NOT_EXEC)
#define _K_MEM_PARTITION_P_RW_U_RO (P_RW_U_RO_Msk | NOT_EXEC)
#define _K_MEM_PARTITION_P_RW_U_NA (P_RW_U_NA_Msk | NOT_EXEC)
#define _K_MEM_PARTITION_P_RO_U_RO (P_RO_U_RO_Msk | NOT_EXEC)
#define _K_MEM_PARTITION_P_RO_U_NA (P_RO_U_NA_Msk | NOT_EXEC)

/* Execution-allowed attributes */
#define _K_MEM_PARTITION_P_RWX_U_RWX (P_RW_U_RW_Msk)
#define _K_MEM_PARTITION_P_RWX_U_RX  (P_RW_U_RO_Msk)
#define _K_MEM_PARTITION_P_RX_U_RX   (P_RO_U_RO_Msk)