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kernel/linux-rt-4.4.41/arch/x86/boot/regs.c 863 Bytes
5113f6f70   김현기   kernel add
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  /* -----------------------------------------------------------------------
   *
   *   Copyright 2009 Intel Corporation; author H. Peter Anvin
   *
   *   This file is part of the Linux kernel, and is made available under
   *   the terms of the GNU General Public License version 2 or (at your
   *   option) any later version; incorporated herein by reference.
   *
   * ----------------------------------------------------------------------- */
  
  /*
   * Simple helper function for initializing a register set.
   *
   * Note that this sets EFLAGS_CF in the input register set; this
   * makes it easier to catch functions which do nothing but don't
   * explicitly set CF.
   */
  
  #include "boot.h"
  #include "string.h"
  
  void initregs(struct biosregs *reg)
  {
  	memset(reg, 0, sizeof *reg);
  	reg->eflags |= X86_EFLAGS_CF;
  	reg->ds = ds();
  	reg->es = ds();
  	reg->fs = fs();
  	reg->gs = gs();
  }