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kernel/linux-rt-4.4.41/arch/arm64/include/asm/system_misc.h 1.96 KB
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  /*
   * Based on arch/arm/include/asm/system_misc.h
   *
   * Copyright (C) 2012 ARM Ltd.
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
   *
   * This program 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/>.
   */
  #ifndef __ASM_SYSTEM_MISC_H
  #define __ASM_SYSTEM_MISC_H
  
  #ifndef __ASSEMBLY__
  
  #include <linux/compiler.h>
  #include <linux/linkage.h>
  #include <linux/irqflags.h>
  #include <linux/signal.h>
  #include <linux/ratelimit.h>
  #include <linux/reboot.h>
  
  struct pt_regs;
  
  void die(const char *msg, struct pt_regs *regs, int err);
  
  struct siginfo;
  void arm64_notify_die(const char *str, struct pt_regs *regs,
  		      struct siginfo *info, int err);
  
  void hook_debug_fault_code(int nr, int (*fn)(unsigned long, unsigned int,
  					     struct pt_regs *),
  			   int sig, int code, const char *name);
  
  struct mm_struct;
  extern void show_pte(struct mm_struct *mm, unsigned long addr);
  extern void __show_regs(struct pt_regs *);
  
  extern void (*arm_pm_restart)(enum reboot_mode reboot_mode, const char *cmd);
  
  #define show_unhandled_signals_ratelimited()				\
  ({									\
  	static DEFINE_RATELIMIT_STATE(_rs,				\
  				      DEFAULT_RATELIMIT_INTERVAL,	\
  				      DEFAULT_RATELIMIT_BURST);		\
  	bool __show_ratelimited = false;				\
  	if (show_unhandled_signals && __ratelimit(&_rs))		\
  		__show_ratelimited = true;				\
  	__show_ratelimited;						\
  })
  
  #define UDBG_UNDEFINED	(1 << 0)
  #define UDBG_SYSCALL	(1 << 1)
  #define UDBG_BADABORT	(1 << 2)
  #define UDBG_SEGV	(1 << 3)
  #define UDBG_BUS	(1 << 4)
  
  #endif	/* __ASSEMBLY__ */
  
  #endif	/* __ASM_SYSTEM_MISC_H */