pkarashchenko commented on a change in pull request #4908: URL: https://github.com/apache/incubator-nuttx/pull/4908#discussion_r757944135
########## File path: boards/arm/stm32h7/nucleo-h743zi/src/stm32_boot_image.c ########## @@ -0,0 +1,168 @@ +/**************************************************************************** + * boards/arm/stm32h7/nucleo-h743zi/src/stm32_reset.c + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance with the + * License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations + * under the License. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> + +#include <debug.h> +#include <stdio.h> +#include <fcntl.h> + +#include <sys/boardctl.h> +#include <nuttx/irq.h> +#include <nuttx/cache.h> + +#include "nvic.h" +#include "arm_arch.h" +#include "barriers.h" + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/**************************************************************************** + * Private Types + ****************************************************************************/ + +/* This structure represents the first two entries on NVIC vector table */ + +struct arm_vector_table +{ + uint32_t spr; /* Stack pointer on reset */ + uint32_t reset; /* Pointer to reset exception handler */ +}; + +/**************************************************************************** + * Private Function Prototypes + ****************************************************************************/ + +static void cleanup_arm_nvic(void); +static void systick_disable(void); + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: cleanup_arm_nvic + * + * Description: + * Acknowledge and disable all interrupts in NVIC + * + * Input Parameters: + * None + * + * Returned Value: + * None + * + ****************************************************************************/ + +static void cleanup_arm_nvic(void) +{ + int i; + + /* Allow any pending interrupts to be recognized */ + + ARM_ISB(); + cpsid(); + + /* Disable all interrupts */ + + for (i = 0; i < NR_IRQS; i += 32) + { + putreg32(0xffffffff, NVIC_IRQ_CLEAR(i)); + } + + /* Clear all pending interrupts */ + + for (i = 0; i < NR_IRQS; i += 32) + { + putreg32(0xffffffff, NVIC_IRQ_CLRPEND(i)); + } +} + +static void systick_disable(void) Review comment: Please take a look into https://github.com/apache/incubator-nuttx/pull/4912 -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: commits-unsubscr...@nuttx.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
