nxp_mpu.h File Reference

Go to the source code of this file.

Data Structures
struct	nxp_mpu_region_attr
struct	k_mem_partition_attr_t
struct	nxp_mpu_region
struct	nxp_mpu_config

Macros
#define	NXP_MPU_REGION_NUMBER   12
#define	UM_READ   4
#define	UM_WRITE   2
#define	UM_EXEC   1
#define	BM0_UM_SHIFT   0
#define	BM1_UM_SHIFT   6
#define	BM2_UM_SHIFT   12
#define	BM3_UM_SHIFT   18
#define	SM_RWX_ALLOW   0
#define	SM_RX_ALLOW   1
#define	SM_RW_ALLOW   2
#define	SM_SAME_AS_UM   3
#define	BM0_SM_SHIFT   3
#define	BM1_SM_SHIFT   9
#define	BM2_SM_SHIFT   15
#define	BM3_SM_SHIFT   21
#define	BM4_WE_SHIFT   24
#define	BM4_RE_SHIFT   25
#define	BM4_PERMISSIONS   0
#define	MPU_REGION_READ
#define	MPU_REGION_WRITE
#define	MPU_REGION_EXEC
#define	MPU_REGION_SU
#define	MPU_REGION_SU_RX
#define	MPU_REGION_SU_RW
#define	MPU_REGION_SU_RWX
#define	ENDADDR_ROUND(x)   (x - 0x1F)
#define	REGION_USER_MODE_ATTR
#define	REGION_RAM_ATTR
#define	REGION_FLASH_ATTR
#define	REGION_IO_ATTR
#define	REGION_RO_ATTR   {(MPU_REGION_READ | MPU_REGION_SU)}
#define	REGION_USER_RO_ATTR
#define	REGION_DEBUGGER_AND_DEVICE_ATTR
#define	REGION_DEBUG_ATTR   {MPU_REGION_SU}
#define	REGION_BACKGROUND_ATTR   {MPU_REGION_SU_RW}
#define	K_MEM_PARTITION_P_NA_U_NA
#define	K_MEM_PARTITION_P_RW_U_RW
#define	K_MEM_PARTITION_P_RW_U_RO
#define	K_MEM_PARTITION_P_RW_U_NA
#define	K_MEM_PARTITION_P_RO_U_RO
#define	K_MEM_PARTITION_P_RO_U_NA
#define	K_MEM_PARTITION_P_RWX_U_RWX
#define	K_MEM_PARTITION_P_RWX_U_RX
#define	K_MEM_PARTITION_P_RX_U_RX
#define	K_MEM_PARTITION_IS_WRITABLE(attr)
#define	K_MEM_PARTITION_IS_EXECUTABLE(attr)
#define	MPU_REGION_ENTRY(_name, _base, _end, _attr)

Typedefs
typedef struct nxp_mpu_region_attr	nxp_mpu_region_attr_t

Variables
const struct nxp_mpu_config	mpu_config

Macro Definition Documentation

BM0_SM_SHIFT

#define BM0_SM_SHIFT   3

BM0_UM_SHIFT

#define BM0_UM_SHIFT   0

BM1_SM_SHIFT

#define BM1_SM_SHIFT   9

BM1_UM_SHIFT

#define BM1_UM_SHIFT   6

BM2_SM_SHIFT

#define BM2_SM_SHIFT   15

BM2_UM_SHIFT

#define BM2_UM_SHIFT   12

BM3_SM_SHIFT

#define BM3_SM_SHIFT   21

BM3_UM_SHIFT

#define BM3_UM_SHIFT   18

BM4_PERMISSIONS

#define BM4_PERMISSIONS   0

BM4_RE_SHIFT

#define BM4_RE_SHIFT   25

BM4_WE_SHIFT

#define BM4_WE_SHIFT   24

ENDADDR_ROUND

#define ENDADDR_ROUND

(

x

)

(x - 0x1F)

K_MEM_PARTITION_IS_EXECUTABLE

#define K_MEM_PARTITION_IS_EXECUTABLE

(

attr

)

Value:

 ({ \
 int __is_executable__; \
 switch (attr.ap_attr) { \
 case MPU_REGION_SU_RX: \
 case MPU_REGION_EXEC: \
 __is_executable__ = 1; \
 break; \
 default: \
 __is_executable__ = 0; \
 } \
 __is_executable__; \
 })

K_MEM_PARTITION_IS_WRITABLE

#define K_MEM_PARTITION_IS_WRITABLE

(

attr

)

Value:

 ({ \
 int __is_writable__; \
 switch (attr.ap_attr) { \
 case MPU_REGION_WRITE: \
 case MPU_REGION_SU_RW: \
 __is_writable__ = 1; \
 break; \
 default: \
 __is_writable__ = 0; \
 } \
 __is_writable__; \
 })

K_MEM_PARTITION_P_NA_U_NA

#define K_MEM_PARTITION_P_NA_U_NA

Value:

 ((k_mem_partition_attr_t) \
 {(MPU_REGION_SU)})

K_MEM_PARTITION_P_RO_U_NA

#define K_MEM_PARTITION_P_RO_U_NA

Value:

 ((k_mem_partition_attr_t) \
 {(MPU_REGION_SU_RX)})

K_MEM_PARTITION_P_RO_U_RO

#define K_MEM_PARTITION_P_RO_U_RO

Value:

 ((k_mem_partition_attr_t) \
 {(MPU_REGION_READ | MPU_REGION_SU)})

K_MEM_PARTITION_P_RW_U_NA

#define K_MEM_PARTITION_P_RW_U_NA

Value:

 ((k_mem_partition_attr_t) \
 {(MPU_REGION_SU_RW)})

K_MEM_PARTITION_P_RW_U_RO

#define K_MEM_PARTITION_P_RW_U_RO

Value:

 ((k_mem_partition_attr_t) \
 {(MPU_REGION_READ | MPU_REGION_SU_RW)})

K_MEM_PARTITION_P_RW_U_RW

#define K_MEM_PARTITION_P_RW_U_RW

Value:

 ((k_mem_partition_attr_t) \
 {(MPU_REGION_READ | MPU_REGION_WRITE | MPU_REGION_SU)})

K_MEM_PARTITION_P_RWX_U_RWX

#define K_MEM_PARTITION_P_RWX_U_RWX

Value:

 ((k_mem_partition_attr_t) \
 {(MPU_REGION_READ | MPU_REGION_WRITE | \
 MPU_REGION_EXEC | MPU_REGION_SU)})

K_MEM_PARTITION_P_RWX_U_RX

#define K_MEM_PARTITION_P_RWX_U_RX

Value:

 ((k_mem_partition_attr_t) \
 {(MPU_REGION_READ | MPU_REGION_EXEC | MPU_REGION_SU_RWX)})

K_MEM_PARTITION_P_RX_U_RX

#define K_MEM_PARTITION_P_RX_U_RX

Value:

 ((k_mem_partition_attr_t) \
 {(MPU_REGION_READ | MPU_REGION_EXEC | MPU_REGION_SU)})

MPU_REGION_ENTRY

#define MPU_REGION_ENTRY	(		_name,
			_base,
			_end,
			_attr
	)

Value:

 {\
 .name = _name, \
 .base = _base, \
 .end = _end, \
 .attr = _attr, \
 }

MPU_REGION_EXEC

#define MPU_REGION_EXEC

Value:

 ((UM_EXEC << BM0_UM_SHIFT) | \
 (UM_EXEC << BM1_UM_SHIFT) | \
 (UM_EXEC << BM2_UM_SHIFT) | \
 (UM_EXEC << BM3_UM_SHIFT))

MPU_REGION_READ

#define MPU_REGION_READ

Value:

 ((UM_READ << BM0_UM_SHIFT) | \
 (UM_READ << BM1_UM_SHIFT) | \
 (UM_READ << BM2_UM_SHIFT) | \
 (UM_READ << BM3_UM_SHIFT))

MPU_REGION_SU

#define MPU_REGION_SU

Value:

 ((SM_SAME_AS_UM << BM0_SM_SHIFT) | \
 (SM_SAME_AS_UM << BM1_SM_SHIFT) | \
 (SM_SAME_AS_UM << BM2_SM_SHIFT) | \
 (SM_SAME_AS_UM << BM3_SM_SHIFT))

MPU_REGION_SU_RW

#define MPU_REGION_SU_RW

Value:

 ((SM_RW_ALLOW << BM0_SM_SHIFT) | \
 (SM_RW_ALLOW << BM1_SM_SHIFT) | \
 (SM_RW_ALLOW << BM2_SM_SHIFT) | \
 (SM_RW_ALLOW << BM3_SM_SHIFT))

MPU_REGION_SU_RWX

#define MPU_REGION_SU_RWX

Value:

 ((SM_RWX_ALLOW << BM0_SM_SHIFT) | \
 (SM_RWX_ALLOW << BM1_SM_SHIFT) | \
 (SM_RWX_ALLOW << BM2_SM_SHIFT) | \
 (SM_RWX_ALLOW << BM3_SM_SHIFT))

MPU_REGION_SU_RX

#define MPU_REGION_SU_RX

Value:

 ((SM_RX_ALLOW << BM0_SM_SHIFT) | \
 (SM_RX_ALLOW << BM1_SM_SHIFT) | \
 (SM_RX_ALLOW << BM2_SM_SHIFT) | \
 (SM_RX_ALLOW << BM3_SM_SHIFT))

MPU_REGION_WRITE

#define MPU_REGION_WRITE

Value:

 ((UM_WRITE << BM0_UM_SHIFT) | \
 (UM_WRITE << BM1_UM_SHIFT) | \
 (UM_WRITE << BM2_UM_SHIFT) | \
 (UM_WRITE << BM3_UM_SHIFT))

NXP_MPU_REGION_NUMBER

#define NXP_MPU_REGION_NUMBER   12

REGION_BACKGROUND_ATTR

#define REGION_BACKGROUND_ATTR   {MPU_REGION_SU_RW}

REGION_DEBUG_ATTR

#define REGION_DEBUG_ATTR   {MPU_REGION_SU}

REGION_DEBUGGER_AND_DEVICE_ATTR

#define REGION_DEBUGGER_AND_DEVICE_ATTR

Value:

 {((MPU_REGION_SU) | \
 ((UM_READ | UM_WRITE) << BM3_UM_SHIFT) | \
 (BM4_PERMISSIONS))}

REGION_FLASH_ATTR

#define REGION_FLASH_ATTR

Value:

 {(MPU_REGION_READ | \
 MPU_REGION_EXEC | \
 MPU_REGION_SU)}

REGION_IO_ATTR

#define REGION_IO_ATTR

Value:

 {(MPU_REGION_READ | \
 MPU_REGION_WRITE | \
 MPU_REGION_EXEC | \
 MPU_REGION_SU)}

REGION_RAM_ATTR

#define REGION_RAM_ATTR

Value:

 {((MPU_REGION_SU_RW) | \
 ((UM_READ | UM_WRITE) << BM3_UM_SHIFT) | \
 (BM4_PERMISSIONS))}

REGION_RO_ATTR

#define REGION_RO_ATTR   {(MPU_REGION_READ | MPU_REGION_SU)}

REGION_USER_MODE_ATTR

#define REGION_USER_MODE_ATTR

Value:

 {(MPU_REGION_READ | \
 MPU_REGION_WRITE | \
 MPU_REGION_SU)}

REGION_USER_RO_ATTR

#define REGION_USER_RO_ATTR

Value:

 {(MPU_REGION_READ | \
 MPU_REGION_SU)}

SM_RW_ALLOW

#define SM_RW_ALLOW   2

SM_RWX_ALLOW

#define SM_RWX_ALLOW   0

SM_RX_ALLOW

#define SM_RX_ALLOW   1

SM_SAME_AS_UM

#define SM_SAME_AS_UM   3

UM_EXEC

#define UM_EXEC   1

UM_READ

#define UM_READ   4

UM_WRITE

#define UM_WRITE   2

Typedef Documentation

nxp_mpu_region_attr_t

typedef struct nxp_mpu_region_attr nxp_mpu_region_attr_t

Variable Documentation

mpu_config

const struct nxp_mpu_config mpu_config

extern