gap9/pmsis/include/cores/TARGET_RISCV_32/mpu_gap.h File Reference

Data Structures
struct	GAP_MPU_Region_t

Macros
#define	GAP_MPU_PAGE_SIZE_LOG2
#define	GAP_MPU_PAGE_SIZE
#define	GAP_MPU_FC_TCDM_RULE
#define	GAP_MPU_L2_RULE
#define	GAP_MPU_APB_RULE
#define	GAP_MPU_NB_RULES_EACH_REGION
#define	GAP_MPU_FC_TCDM_AREA
#define	GAP_MPU_FC_PERIPH_AREA
#define	GAP_MPU_FC_CLUSTER_TCDM_AREA
#define	GAP_MPU_FC_CLUSTER_PERIPH_AREA
#define	GAP_MPU_L2_L2_AREA
#define	GAP_MPU_APB_FC_TCDM_AREA
#define	GAP_MPU_APB_FC_PERIPH_AREA
#define	GAP_MPU_APB_APB_AREA
#define	GAP_MPU_RULE(Area, Base, Size)

Functions
__STATIC_INLINE void	GAP_MPU_Enable (uint32_t MPU_Enable)
__STATIC_INLINE void	GAP_MPU_Disable (void)
__STATIC_INLINE uint32_t	GAP_MPU_GetNumberPages (uint32_t Region_Size)
__STATIC_INLINE void	GAP_MPU_ClrRegion (uint32_t Region_Type, uint32_t Region_Number)
__STATIC_INLINE void	GAP_MPU_SetRegion (uint32_t Region_Type, uint32_t Region_Number, uint32_t Rule)
__STATIC_INLINE void	orderedCpy (volatile uint32_t *dst, const uint32_t *__RESTRICT src, uint32_t len)
__STATIC_INLINE void	GAP_MPU_Load (GAP_MPU_Region_t const *table, uint32_t fc_cnt, uint32_t l2_cnt, uint32_t apb_cnt)

Macro Definition Documentation

#define GAP_MPU_APB_APB_AREA

#define GAP_MPU_APB_FC_PERIPH_AREA

#define GAP_MPU_APB_FC_TCDM_AREA

#define GAP_MPU_APB_RULE

Referenced by GAP_MPU_ClrRegion(), and GAP_MPU_SetRegion().

#define GAP_MPU_FC_CLUSTER_PERIPH_AREA

#define GAP_MPU_FC_CLUSTER_TCDM_AREA

#define GAP_MPU_FC_PERIPH_AREA

#define GAP_MPU_FC_TCDM_AREA

#define GAP_MPU_FC_TCDM_RULE

Referenced by GAP_MPU_ClrRegion(), and GAP_MPU_SetRegion().

#define GAP_MPU_L2_L2_AREA

#define GAP_MPU_L2_RULE

Referenced by GAP_MPU_ClrRegion(), and GAP_MPU_SetRegion().

#define GAP_MPU_NB_RULES_EACH_REGION

Referenced by GAP_MPU_ClrRegion(), and GAP_MPU_SetRegion().

#define GAP_MPU_PAGE_SIZE

Referenced by GAP_MPU_GetNumberPages().

#define GAP_MPU_PAGE_SIZE_LOG2

Referenced by GAP_MPU_GetNumberPages().

#define GAP_MPU_RULE	(		Area,
			Base,
			Size
	)

MPU Region RULE Register Value

Parameters

Area	Region to choose between FC TCDM, FC Periph or L2.
Base	Base page number (Each page is 64 bytes).
Size	Number of pages to open.

Function Documentation

__STATIC_INLINE void GAP_MPU_ClrRegion	(	uint32_t	Region_Type,
		uint32_t	Region_Number
	)

Clear and disable the given MPU region.

Parameters

Region_Type	Region Type to be cleared.
Region_Number	Region number to be cleared.

References GAP_MPU_APB_RULE, GAP_MPU_FC_TCDM_RULE, GAP_MPU_L2_RULE, and GAP_MPU_NB_RULES_EACH_REGION.

__STATIC_INLINE void GAP_MPU_Disable

(

void

)

Disable the MPU.

__STATIC_INLINE void GAP_MPU_Enable

(

uint32_t

MPU_Enable

)

Enable the MPU.

Parameters

MPU_Enable

Default access permissions for unconfigured regions.

__STATIC_INLINE uint32_t GAP_MPU_GetNumberPages

(

uint32_t

Region_Size

)

Return total page number for a given region size,.

Parameters

Region_Size

The size of a region

References GAP_MPU_PAGE_SIZE, and GAP_MPU_PAGE_SIZE_LOG2.

__STATIC_INLINE void GAP_MPU_Load	(	GAP_MPU_Region_t const *	table,
		uint32_t	fc_cnt,
		uint32_t	l2_cnt,
		uint32_t	apb_cnt
	)

Load the given number of MPU regions from a table.

Parameters

table	Pointer to the MPU configuration table.
fc_cnt	Amount of FC regions to be configured.
l2_cnt	Amount of L2 regions to be configured.
apb_cnt	Amount of APB regions to be configured.

References orderedCpy(), and GAP_MPU_Region_t::RULE.

__STATIC_INLINE void GAP_MPU_SetRegion	(	uint32_t	Region_Type,
		uint32_t	Region_Number,
		uint32_t	Rule
	)

Configure an MPU region.

Parameters

Region_Type	Region Type to be cleared.
Region_Number	Rule number.
Rule	Value for rule register.

References GAP_MPU_APB_RULE, GAP_MPU_FC_TCDM_RULE, GAP_MPU_L2_RULE, and GAP_MPU_NB_RULES_EACH_REGION.

__STATIC_INLINE void orderedCpy	(	volatile uint32_t *	dst,
		const uint32_t *__RESTRICT	src,
		uint32_t	len
	)

Memcopy with strictly ordered memory access, e.g. for register targets.

Parameters

dst	Destination data is copied to.
src	Source data is copied from.
len	Amount of data words to be copied.