18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 28c2ecf20Sopenharmony_ci/* 38c2ecf20Sopenharmony_ci * Copyright 2001-2002 Pavel Machek <pavel@suse.cz> 48c2ecf20Sopenharmony_ci * Based on code 58c2ecf20Sopenharmony_ci * Copyright 2001 Patrick Mochel <mochel@osdl.org> 68c2ecf20Sopenharmony_ci */ 78c2ecf20Sopenharmony_ci#ifndef _ASM_X86_SUSPEND_32_H 88c2ecf20Sopenharmony_ci#define _ASM_X86_SUSPEND_32_H 98c2ecf20Sopenharmony_ci 108c2ecf20Sopenharmony_ci#include <asm/desc.h> 118c2ecf20Sopenharmony_ci#include <asm/fpu/api.h> 128c2ecf20Sopenharmony_ci 138c2ecf20Sopenharmony_ci/* image of the saved processor state */ 148c2ecf20Sopenharmony_cistruct saved_context { 158c2ecf20Sopenharmony_ci /* 168c2ecf20Sopenharmony_ci * On x86_32, all segment registers, with the possible exception of 178c2ecf20Sopenharmony_ci * gs, are saved at kernel entry in pt_regs. 188c2ecf20Sopenharmony_ci */ 198c2ecf20Sopenharmony_ci#ifdef CONFIG_X86_32_LAZY_GS 208c2ecf20Sopenharmony_ci u16 gs; 218c2ecf20Sopenharmony_ci#endif 228c2ecf20Sopenharmony_ci unsigned long cr0, cr2, cr3, cr4; 238c2ecf20Sopenharmony_ci u64 misc_enable; 248c2ecf20Sopenharmony_ci struct saved_msrs saved_msrs; 258c2ecf20Sopenharmony_ci struct desc_ptr gdt_desc; 268c2ecf20Sopenharmony_ci struct desc_ptr idt; 278c2ecf20Sopenharmony_ci u16 ldt; 288c2ecf20Sopenharmony_ci u16 tss; 298c2ecf20Sopenharmony_ci unsigned long tr; 308c2ecf20Sopenharmony_ci unsigned long safety; 318c2ecf20Sopenharmony_ci unsigned long return_address; 328c2ecf20Sopenharmony_ci bool misc_enable_saved; 338c2ecf20Sopenharmony_ci} __attribute__((packed)); 348c2ecf20Sopenharmony_ci 358c2ecf20Sopenharmony_ci/* routines for saving/restoring kernel state */ 368c2ecf20Sopenharmony_ciextern char core_restore_code[]; 378c2ecf20Sopenharmony_ciextern char restore_registers[]; 388c2ecf20Sopenharmony_ci 398c2ecf20Sopenharmony_ci#endif /* _ASM_X86_SUSPEND_32_H */ 40