Linux 2.6.31.6
[linux/fpc-iii.git] / arch / x86 / boot / regs.c
blob958019b1cfa5b42b11f9863b644e8d21eb96df5d
1 /* -----------------------------------------------------------------------
3 * Copyright 2009 Intel Corporation; author H. Peter Anvin
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.
9 * ----------------------------------------------------------------------- */
12 * Simple helper function for initializing a register set.
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.
19 #include "boot.h"
21 void initregs(struct biosregs *reg)
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();