linux/arch/x86/include/asm/suspend_64.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Copyright 2001-2003 Pavel Machek <[email protected]>
 * Based on code
 * Copyright 2001 Patrick Mochel <[email protected]>
 */
#ifndef _ASM_X86_SUSPEND_64_H
#define _ASM_X86_SUSPEND_64_H

#include <asm/desc.h>
#include <asm/fpu/api.h>

/*
 * Image of the saved processor state, used by the low level ACPI suspend to
 * RAM code and by the low level hibernation code.
 *
 * If you modify it, check how it is used in arch/x86/kernel/acpi/wakeup_64.S
 * and make sure that __save/__restore_processor_state(), defined in
 * arch/x86/power/cpu.c, still work as required.
 *
 * Because the structure is packed, make sure to avoid unaligned members. For
 * optimisation purposes but also because tools like kmemleak only search for
 * pointers that are aligned.
 */
struct saved_context { … } __attribute__((packed));

#define loaddebug(thread,register) …

/* routines for saving/restoring kernel state */
extern char core_restore_code[];
extern char restore_registers[];

#endif /* _ASM_X86_SUSPEND_64_H */