reset-hardware.c

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/*
 * This file is part of the µOS++ project (https://micro-os-plus.github.io/).
 * Copyright (c) 2015-2025 Liviu Ionescu. All rights reserved.
 *
 * Permission to use, copy, modify, and/or distribute this software
 * for any purpose is hereby granted, under the terms of the MIT license.
 *
 * If a copy of the license was not distributed with this file, it can
 * be obtained from https://opensource.org/licenses/mit.
 */
 
#if defined(__clang__)
#pragma clang diagnostic ignored "-Wempty-translation-unit"
#endif
 
// ----------------------------------------------------------------------------
 
#if defined(__ARM_EABI__)
 
// ----------------------------------------------------------------------------
 
#if defined(OS_USE_OS_APP_CONFIG_H)
#include <cmsis-plus/os-app-config.h>
#endif
 
#include <cmsis-plus/diag/trace.h>
#include <cmsis_device.h>
 
// ----------------------------------------------------------------------------
 
// cmsis_device.h
// extern void __attribute__((noreturn))
// NVIC_SystemReset (void);
 
// ----------------------------------------------------------------------------
 
// Forward declarations
 
void
__reset_hardware (void);
 
// ----------------------------------------------------------------------------
 
// This is the default hardware reset routine; it can be
// redefined in the application for more complex applications.
//
// Called from _exit().
 
void __attribute__ ((weak, noreturn))
__reset_hardware (void)
{
#if defined(DEBUG) || defined(OS_DISABLE_RESET_HARDWARE)
  trace_printf ("__reset_hardware()");
  while (1)
    __WFI ();
#else
  NVIC_SystemReset ();
  __builtin_unreachable ();
#endif
}
 
// ----------------------------------------------------------------------------
 
#endif /* defined(__ARM_EABI__) */