linux/arch/x86/include/asm/bootparam_utils.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_X86_BOOTPARAM_UTILS_H
#define _ASM_X86_BOOTPARAM_UTILS_H

#include <asm/bootparam.h>

/*
 * This file is included from multiple environments.  Do not
 * add completing #includes to make it standalone.
 */

/*
 * Deal with bootloaders which fail to initialize unknown fields in
 * boot_params to zero.  The list fields in this list are taken from
 * analysis of kexec-tools; if other broken bootloaders initialize a
 * different set of fields we will need to figure out how to disambiguate.
 *
 * Note: efi_info is commonly left uninitialized, but that field has a
 * private magic, so it is better to leave it unchanged.
 */

#define sizeof_mbr(type, member) …

#define BOOT_PARAM_PRESERVE(struct_member) …

struct boot_params_to_save { … };

static void sanitize_boot_params(struct boot_params *boot_params)
{ … }

#endif /* _ASM_X86_BOOTPARAM_UTILS_H */