1/* ----------------------------------------------------------------------- 2 * 3 * Copyright 2009 Intel Corporation; author H. Peter Anvin 4 * 5 * This file is part of the Linux kernel, and is made available under 6 * the terms of the GNU General Public License version 2 or (at your 7 * option) any later version; incorporated herein by reference. 8 * 9 * ----------------------------------------------------------------------- */ 10 11/* 12 * Simple helper function for initializing a register set. 13 * 14 * Note that this sets EFLAGS_CF in the input register set; this 15 * makes it easier to catch functions which do nothing but don't 16 * explicitly set CF. 17 */ 18 19#include "boot.h" 20 21void initregs(struct biosregs *reg) 22{ 23 memset(reg, 0, sizeof *reg); 24 reg->eflags |= X86_EFLAGS_CF; 25 reg->ds = ds(); 26 reg->es = ds(); 27 reg->fs = fs(); 28 reg->gs = gs(); 29} 30