Files
Linux_Drivers/linux_5.10/arch/x86/boot/regs.c
sam.xiang 5c7dd7acc3 [linux] create linux_5.10.4 from T-head official:
repo: https://github.com/T-head-Semi/linux
	commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb

Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
2023-03-10 20:32:41 +08:00

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();
}