LXR linux/arch/x86/include/asm/suspend

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/*
   3 * Copyright 2001-2002 Pavel Machek <pavel@suse.cz>
   4 * Based on code
   5 * Copyright 2001 Patrick Mochel <mochel@osdl.org>
   6 */
   7#ifndef _ASM_X86_SUSPEND_32_H
   8#define _ASM_X86_SUSPEND_32_H
   9
  10#include <asm/desc.h>
  11#include <asm/fpu/api.h>
  12
  13/* image of the saved processor state */
  14struct saved_context {
  15        /*
  16         * On x86_32, all segment registers except gs are saved at kernel
  17         * entry in pt_regs.
  18         */
  19        u16 gs;
  20        unsigned long cr0, cr2, cr3, cr4;
  21        u64 misc_enable;
  22        bool misc_enable_saved;
  23        struct saved_msrs saved_msrs;
  24        struct desc_ptr gdt_desc;
  25        struct desc_ptr idt;
  26        u16 ldt;
  27        u16 tss;
  28        unsigned long tr;
  29        unsigned long safety;
  30        unsigned long return_address;
  31} __attribute__((packed));
  32
  33/* routines for saving/restoring kernel state */
  34extern char core_restore_code[];
  35extern char restore_registers[];
  36
  37#endif /* _ASM_X86_SUSPEND_32_H */
  38