[mirror_ubuntu-eoan-kernel.git] / arch / x86 / boot / regs.c

// SPDX-License-Identifier: GPL-2.0-or-later
/* -----------------------------------------------------------------------
 *
 *   Copyright 2009 Intel Corporation; author H. Peter Anvin
 *
 * ----------------------------------------------------------------------- */

/*
 * 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();
}
Commit	Line	Data
d6910058	1	// SPDX-License-Identifier: GPL-2.0-or-later
7a734e7d PA	2	/* -----------------------------------------------------------------------
	3	*
	4	* Copyright 2009 Intel Corporation; author H. Peter Anvin
	5	*
7a734e7d PA	6	* ----------------------------------------------------------------------- */
	7
	8	/*
	9	* Simple helper function for initializing a register set.
	10	*
	11	* Note that this sets EFLAGS_CF in the input register set; this
	12	* makes it easier to catch functions which do nothing but don't
	13	* explicitly set CF.
	14	*/
	15
	16	#include "boot.h"
c041b5ad	17	#include "string.h"
7a734e7d PA	18
	19	void initregs(struct biosregs *reg)
	20	{
0e96f31e	21	memset(reg, 0, sizeof(*reg));
7a734e7d PA	22	reg->eflags \|= X86_EFLAGS_CF;
	23	reg->ds = ds();
	24	reg->es = ds();
	25	reg->fs = fs();
	26	reg->gs = gs();
	27	}