plat/arm/board/juno/juno_err.c

   1 /*
   2  * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
   3  *
   4  * SPDX-License-Identifier: BSD-3-Clause
   5  */
   6
   7 #include <arch_helpers.h>
   8 #include <errno.h>
   9 #include <platform.h>
  10 #include <v2m_def.h>
  11
  12 /*
  13  * Juno error handler
  14  */
  15 void __dead2 plat_arm_error_handler(int err)
  16 {
  17         uint32_t *flags_ptr = (uint32_t *)V2M_SYS_NVFLAGS_ADDR;
  18
  19         /* Propagate the err code in the NV-flags register */
  20         *flags_ptr = err;
  21
  22         /* Loop until the watchdog resets the system */
  23         for (;;)
  24                 wfi();
  25 }