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 <errno.h>
   8
   9 #include <arch_helpers.h>
  10 #include <plat/common/platform.h>
  11
  12 #include <v2m_def.h>
  13
  14 /*
  15  * Juno error handler
  16  */
  17 void __dead2 plat_arm_error_handler(int err)
  18 {
  19         uint32_t *flags_ptr = (uint32_t *)V2M_SYS_NVFLAGS_ADDR;
  20
  21         /* Propagate the err code in the NV-flags register */
  22         *flags_ptr = err;
  23
  24         /* Loop until the watchdog resets the system */
  25         for (;;)
  26                 wfi();
  27 }