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kernel/linux-rt-4.4.41/arch/mips/include/asm/kexec.h 1.51 KB
5113f6f70   김현기   kernel add
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  /*
   * kexec.h for kexec
   * Created by <nschichan@corp.free.fr> on Thu Oct 12 14:59:34 2006
   *
   * This source code is licensed under the GNU General Public License,
   * Version 2.  See the file COPYING for more details.
   */
  
  #ifndef _MIPS_KEXEC
  # define _MIPS_KEXEC
  
  #include <asm/stacktrace.h>
  
  /* Maximum physical address we can use pages from */
  #define KEXEC_SOURCE_MEMORY_LIMIT (0x20000000)
  /* Maximum address we can reach in physical address mode */
  #define KEXEC_DESTINATION_MEMORY_LIMIT (0x20000000)
   /* Maximum address we can use for the control code buffer */
  #define KEXEC_CONTROL_MEMORY_LIMIT (0x20000000)
  /* Reserve 3*4096 bytes for board-specific info */
  #define KEXEC_CONTROL_PAGE_SIZE (4096 + 3*4096)
  
  /* The native architecture */
  #define KEXEC_ARCH KEXEC_ARCH_MIPS
  #define MAX_NOTE_BYTES 1024
  
  static inline void crash_setup_regs(struct pt_regs *newregs,
  				    struct pt_regs *oldregs)
  {
  	if (oldregs)
  		memcpy(newregs, oldregs, sizeof(*newregs));
  	else
  		prepare_frametrace(newregs);
  }
  
  #ifdef CONFIG_KEXEC
  struct kimage;
  extern unsigned long kexec_args[4];
  extern int (*_machine_kexec_prepare)(struct kimage *);
  extern void (*_machine_kexec_shutdown)(void);
  extern void (*_machine_crash_shutdown)(struct pt_regs *regs);
  extern void default_machine_crash_shutdown(struct pt_regs *regs);
  #ifdef CONFIG_SMP
  extern const unsigned char kexec_smp_wait[];
  extern unsigned long secondary_kexec_args[4];
  extern void (*relocated_kexec_smp_wait) (void *);
  extern atomic_t kexec_ready_to_reboot;
  #endif
  #endif
  
  #endif /* !_MIPS_KEXEC */