mirror of https://gitee.com/openkylin/linux.git
28 lines
697 B
C
28 lines
697 B
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();
|
|
}
|