/* ----------------------------------------------------------------------- * * 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(); }