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Introduce memProtXXX MPU configuration service

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This commit is contained in:
jflyper 2019-03-28 04:03:27 +09:00
parent 0f230c42a1
commit c8252fabdd
11 changed files with 339 additions and 113 deletions
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25
src/main/drivers/system_stm32h7xx.c
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@ -176,31 +176,6 @@ bool isMPUSoftReset(void)
void systemInit(void)
{
#ifdef USE_ITCM_RAM
// Mark ITCM-RAM as read-only
HAL_MPU_Disable();
// "For Cortex®-M7, TCMs memories always behave as Non-cacheable, Non-shared normal memories, irrespective of the memory type attributes defined in the MPU for a memory region containing addresses held in the TCM"
// See AN4838
MPU_Region_InitTypeDef MPU_InitStruct;
MPU_InitStruct.Enable = MPU_REGION_ENABLE;
MPU_InitStruct.BaseAddress = 0x00000000;
MPU_InitStruct.Size = MPU_REGION_SIZE_64KB;
MPU_InitStruct.AccessPermission = MPU_REGION_PRIV_RO_URO;
MPU_InitStruct.IsBufferable = MPU_ACCESS_BUFFERABLE;
MPU_InitStruct.IsCacheable = MPU_ACCESS_NOT_CACHEABLE;
MPU_InitStruct.IsShareable = MPU_ACCESS_NOT_SHAREABLE;
MPU_InitStruct.Number = MPU_REGION_NUMBER0;
MPU_InitStruct.TypeExtField = MPU_TEX_LEVEL0;
MPU_InitStruct.SubRegionDisable = 0x00;
MPU_InitStruct.DisableExec = MPU_INSTRUCTION_ACCESS_ENABLE;
HAL_MPU_ConfigRegion(&MPU_InitStruct);
HAL_MPU_Enable(MPU_PRIVILEGED_DEFAULT);
#endif
// Configure NVIC preempt/priority groups
HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITY_GROUPING);