#include "board.h"

#include "stm32h7xx_hal.h"

void Error_Handler(void) {
    for (;;) {
        /* -- */
        asm volatile("nop");
    }
}

void BOARD_ConfigMPU(void) {
    MPU_Region_InitTypeDef MPU_InitStruct = {0};

    /* Disables the MPU */
    HAL_MPU_Disable();

    /** Initializes and configures the Region and the memory to be protected
     */
    MPU_InitStruct.Enable           = MPU_REGION_ENABLE;
    MPU_InitStruct.Number           = MPU_REGION_NUMBER0;
    MPU_InitStruct.BaseAddress      = 0x0;
    MPU_InitStruct.Size             = MPU_REGION_SIZE_4GB;
    MPU_InitStruct.SubRegionDisable = 0x00;
    MPU_InitStruct.TypeExtField     = MPU_TEX_LEVEL0;
    MPU_InitStruct.AccessPermission = MPU_REGION_FULL_ACCESS;
    MPU_InitStruct.DisableExec      = MPU_INSTRUCTION_ACCESS_ENABLE;
    MPU_InitStruct.IsShareable      = MPU_ACCESS_SHAREABLE;
    MPU_InitStruct.IsCacheable      = MPU_ACCESS_NOT_CACHEABLE;
    MPU_InitStruct.IsBufferable     = MPU_ACCESS_NOT_BUFFERABLE;
    HAL_MPU_ConfigRegion(&MPU_InitStruct);

    MPU_InitStruct.Number      = MPU_REGION_NUMBER1;
    MPU_InitStruct.BaseAddress = 0x90000000;
    MPU_InitStruct.Size        = MPU_REGION_SIZE_8MB;
    MPU_InitStruct.IsCacheable = MPU_ACCESS_CACHEABLE;
    HAL_MPU_ConfigRegion(&MPU_InitStruct);

    /* Enables the MPU */
    HAL_MPU_Enable(MPU_PRIVILEGED_DEFAULT);
}