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// SPDX-License-Identifier: GPL-2.0-or-later
// SPDX-FileCopyrightText: 2009 Intel Corporation
/* Author: H. Peter Anvin */
/**
* @file
* @brief 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 <asm/segment.h>
#include "boot.h"
/* be aware of: */
THIS_IS_REALMODE_CODE
void __bootcode 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();
}
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