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 */ 14 struct saved_context { 15 /* 16 * On x86_32, all segment registers, with the possible exception of 17 * gs, are saved at kernel entry in pt_regs. 18 */ 19 #ifdef CONFIG_X86_32_LAZY_GS 20 u16 gs; 21 #endif 22 unsigned long cr0, cr2, cr3, cr4; 23 u64 misc_enable; 24 struct saved_msrs saved_msrs; 25 struct desc_ptr gdt_desc; 26 struct desc_ptr idt; 27 u16 ldt; 28 u16 tss; 29 unsigned long tr; 30 unsigned long safety; 31 unsigned long return_address; 32 bool misc_enable_saved; 33 } __attribute__((packed)); 34 35 /* routines for saving/restoring kernel state */ 36 extern char core_restore_code[]; 37 extern char restore_registers[]; 38 39 #endif /* _ASM_X86_SUSPEND_32_H */ 40