/*
    ChibiOS - Copyright (C) 2006..2015 Giovanni Di Sirio.

    This file is part of ChibiOS.

    ChibiOS is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.

    ChibiOS is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

/**
 * @file    ARMCMx/compilers/GCC/crt1.c
 * @brief   Startup stub functions.
 *
 * @addtogroup ARMCMx_GCC_STARTUP
 * @{
 */

#include <stdbool.h>

#include "cmparams.h"

/**
 * @brief   Architecture-dependent core initialization.
 * @details This hook is invoked immediately after the stack initialization
 *          and before the DATA and BSS segments initialization.
 * @note    This function is a weak symbol.
 */
#if !defined(__DOXYGEN__)
__attribute__((weak))
#endif
/*lint -save -e9075 [8.4] All symbols are invoked from asm context.*/
void __core_init(void) {

#if __CORTEX_M == 7
  SCB_EnableICache();
  SCB_EnableDCache();
#endif
}

/**
 * @brief   Early initialization.
 * @details This hook is invoked immediately after the stack and core
 *          initialization and before the DATA and BSS segments
 *          initialization.
 * @note    This function is a weak symbol.
 */
#if !defined(__DOXYGEN__)
__attribute__((weak))
#endif
/*lint -save -e9075 [8.4] All symbols are invoked from asm context.*/
void __early_init(void) {}
/*lint -restore*/

/**
 * @brief   Late initialization.
 * @details This hook is invoked after the DATA and BSS segments
 *          initialization and before any static constructor. The
 *          default behavior is to do nothing.
 * @note    This function is a weak symbol.
 */
#if !defined(__DOXYGEN__)
__attribute__((weak))
#endif
/*lint -save -e9075 [8.4] All symbols are invoked from asm context.*/
void __late_init(void) {}
/*lint -restore*/

/**
 * @brief   Default @p main() function exit handler.
 * @details This handler is invoked or the @p main() function exit. The
 *          default behavior is to enter an infinite loop.
 * @note    This function is a weak symbol.
 */
#if !defined(__DOXYGEN__)
__attribute__((noreturn, weak))
#endif
/*lint -save -e9075 [8.4] All symbols are invoked from asm context.*/
void __default_exit(void) {
/*lint -restore*/

  while (true) {
  }
}

/** @} */