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kernel/linux-rt-4.4.41/arch/tile/include/asm/traps.h 2.44 KB
5113f6f70   김현기   kernel add
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  /*
   * Copyright 2010 Tilera Corporation. All Rights Reserved.
   *
   *   This program 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, version 2.
   *
   *   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, GOOD TITLE or
   *   NON INFRINGEMENT.  See the GNU General Public License for
   *   more details.
   */
  
  #ifndef _ASM_TILE_TRAPS_H
  #define _ASM_TILE_TRAPS_H
  
  #ifndef __ASSEMBLY__
  #include <arch/chip.h>
  
  /* mm/fault.c */
  void do_page_fault(struct pt_regs *, int fault_num,
  		   unsigned long address, unsigned long write);
  #if CHIP_HAS_TILE_DMA()
  void do_async_page_fault(struct pt_regs *);
  #endif
  
  #ifndef __tilegx__
  /*
   * We return this structure in registers to avoid having to write
   * additional save/restore code in the intvec.S caller.
   */
  struct intvec_state {
  	void *handler;
  	unsigned long vecnum;
  	unsigned long fault_num;
  	unsigned long info;
  	unsigned long retval;
  };
  struct intvec_state do_page_fault_ics(struct pt_regs *regs, int fault_num,
  				      unsigned long address,
  				      unsigned long info);
  #endif
  
  /* kernel/traps.c */
  void do_trap(struct pt_regs *, int fault_num, unsigned long reason);
  void kernel_double_fault(int dummy, ulong pc, ulong lr, ulong sp, ulong r52);
  
  /* kernel/time.c */
  void do_timer_interrupt(struct pt_regs *, int fault_num);
  
  /* kernel/messaging.c */
  void hv_message_intr(struct pt_regs *, int intnum);
  
  #define	TILE_NMI_DUMP_STACK	1	/* Dump stack for sysrq+'l' */
  
  /* kernel/process.c */
  void do_nmi_dump_stack(struct pt_regs *regs);
  
  /* kernel/traps.c */
  void do_nmi(struct pt_regs *, int fault_num, unsigned long reason);
  
  /* kernel/irq.c */
  void tile_dev_intr(struct pt_regs *, int intnum);
  
  #ifdef CONFIG_HARDWALL
  /* kernel/hardwall.c */
  void do_hardwall_trap(struct pt_regs *, int fault_num);
  #endif
  
  /* kernel/ptrace.c */
  void do_breakpoint(struct pt_regs *, int fault_num);
  
  
  #ifdef __tilegx__
  /* kernel/single_step.c */
  void gx_singlestep_handle(struct pt_regs *, int fault_num);
  
  /* kernel/intvec_64.S */
  void fill_ra_stack(void);
  
  /* Handle unalign data fixup. */
  extern void do_unaligned(struct pt_regs *regs, int vecnum);
  #endif
  
  #endif /* __ASSEMBLY__ */
  
  #ifdef __tilegx__
  /* 128 byte JIT per unalign fixup. */
  #define UNALIGN_JIT_SHIFT    7
  #endif
  
  #endif /* _ASM_TILE_TRAPS_H */