zircon/kernel/platform/power.cc

// Copyright 2016 The Fuchsia Authors
// Copyright (c) 2012 Google, Inc.
//
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file or at
// https://opensource.org/licenses/MIT

#include <debug.h>
#include <err.h>
#include <lib/console.h>
#include <platform.h>
#include <stdio.h>
#include <zircon/compiler.h>

#include <kernel/thread.h>
#include <platform/debug.h>

/*
 * default implementations of these routines, if the platform code
 * chooses not to implement.
 */
__WEAK void platform_halt(platform_halt_action suggested_action, platform_halt_reason reason) {
  thread_print_current_backtrace();

#if ENABLE_PANIC_SHELL
  if (reason == HALT_REASON_SW_PANIC) {
    dprintf(ALWAYS, "CRASH: starting debug shell... (reason = %d)\n", reason);
    arch_disable_ints();
    panic_shell_start();
  }
#endif  // ENABLE_PANIC_SHELL

  dprintf(ALWAYS, "HALT: spinning forever... (reason = %d)\n", reason);
  arch_disable_ints();
  for (;;) {
  }
}

__WEAK void platform_halt_cpu() {}

__WEAK void platform_halt_secondary_cpus() { PANIC_UNIMPLEMENTED; }