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