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kernel/linux-rt-4.4.41/arch/x86/realmode/rm/realmode.h 485 Bytes
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  #ifndef ARCH_X86_REALMODE_RM_REALMODE_H
  #define ARCH_X86_REALMODE_RM_REALMODE_H
  
  #ifdef __ASSEMBLY__
  
  /*
   * 16-bit ljmpw to the real_mode_seg
   *
   * This must be open-coded since gas will choke on using a
   * relocatable symbol for the segment portion.
   */
  #define LJMPW_RM(to)	.byte 0xea ; .word (to), real_mode_seg
  
  #endif /* __ASSEMBLY__ */
  
  /*
   * Signature at the end of the realmode region
   */
  #define REALMODE_END_SIGNATURE	0x65a22c82
  
  #endif /* ARCH_X86_REALMODE_RM_REALMODE_H */