86 lines
2.2 KiB
C
86 lines
2.2 KiB
C
#ifndef __BSP_MPU_H__
|
||
#define __BSP_MPU_H__
|
||
|
||
#include "stm32h7xx_hal.h"
|
||
//定义MPU->RASR寄存器AP[26:24]位的设置值
|
||
|
||
#define MPU_1KB MPU_REGION_SIZE_1KB
|
||
#define MPU_2KB MPU_REGION_SIZE_2KB
|
||
#define MPU_4KB MPU_REGION_SIZE_4KB
|
||
#define MPU_8KB MPU_REGION_SIZE_8KB
|
||
#define MPU_16KB MPU_REGION_SIZE_16KB
|
||
#define MPU_32KB MPU_REGION_SIZE_32KB
|
||
#define MPU_64KB MPU_REGION_SIZE_64KB
|
||
#define MPU_128KB MPU_REGION_SIZE_128KB
|
||
#define MPU_256KB MPU_REGION_SIZE_256KB
|
||
#define MPU_512KB MPU_REGION_SIZE_512KB
|
||
|
||
#define MPU_1MB MPU_REGION_SIZE_1MB
|
||
#define MPU_2MB MPU_REGION_SIZE_2MB
|
||
#define MPU_4MB MPU_REGION_SIZE_4MB
|
||
#define MPU_8MB MPU_REGION_SIZE_8MB
|
||
#define MPU_16MB MPU_REGION_SIZE_16MB
|
||
#define MPU_32MB MPU_REGION_SIZE_32MB
|
||
#define MPU_64MB MPU_REGION_SIZE_64MB
|
||
#define MPU_128MB MPU_REGION_SIZE_128MB
|
||
#define MPU_256MB MPU_REGION_SIZE_256MB
|
||
#define MPU_512MB MPU_REGION_SIZE_512MB
|
||
|
||
|
||
#define MPU_NO_ACCESS ((uint8_t)0x00U)
|
||
#define MPU_PRIV_RW ((uint8_t)0x01U)
|
||
#define MPU_PRIV_RW_URO ((uint8_t)0x02U)
|
||
#define MPU_FULL_ACCESS ((uint8_t)0x03U)
|
||
#define MPU_PRIV_RO ((uint8_t)0x05U)
|
||
#define MPU_PRIV_RO_URO ((uint8_t)0x06U)
|
||
|
||
/*属性为Normal，cache的属性为 write-back，即仅更新cache，
|
||
*在合适的时候(由cache策略决定或者软件强制更新)将数据更新到相应的SRAM空间
|
||
*特别注意：如果要数据立即更新，写之后要SCB_CleanDCache，读数据时要SCB_InvalidateDCache
|
||
*/
|
||
#define MPU_Normal_WB 0x00
|
||
|
||
|
||
/*属性为Normal，cache的属性为 write-back，即仅更新cache，
|
||
*在合适的时候(由cache策略决定或者软件强制更新)将数据更新到相应的SRAM空间
|
||
*特别注意：如果要数据立即更新，写之后要SCB_CleanDCache，读数据时要SCB_InvalidateDCache
|
||
*/
|
||
#define MPU_Normal_WBWARA 0x01 //外部和内部写入无写入分配
|
||
|
||
|
||
/*属性为 normal，cache的属性为 Write-through，即更新cache的同时，
|
||
*将数据同时写入相应的物理地址空间
|
||
*特别注意：如果要数据立即更新，可以直接往内存写数据，但读数据时要SCB_InvalidateDCache
|
||
*/
|
||
#define MPU_Normal_WT 0x02
|
||
|
||
|
||
/*属性为 normal，禁用共享,禁用缓存
|
||
*/
|
||
#define MPU_Normal_NonCache 0x03
|
||
|
||
|
||
/*属性为 Device，共享设置无效，禁用共享,禁用缓存
|
||
*/
|
||
#define MPU_Device_NonCache 0x04
|
||
|
||
void Board_MPU_Config(uint8_t Region ,uint8_t Mode,uint32_t Address,uint32_t Size);
|
||
#endif
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|