1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright 2001-2002 Pavel Machek <pavel@suse.cz> 4*4882a593Smuzhiyun * Based on code 5*4882a593Smuzhiyun * Copyright 2001 Patrick Mochel <mochel@osdl.org> 6*4882a593Smuzhiyun */ 7*4882a593Smuzhiyun #ifndef _ASM_X86_SUSPEND_32_H 8*4882a593Smuzhiyun #define _ASM_X86_SUSPEND_32_H 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun #include <asm/desc.h> 11*4882a593Smuzhiyun #include <asm/fpu/api.h> 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun /* image of the saved processor state */ 14*4882a593Smuzhiyun struct saved_context { 15*4882a593Smuzhiyun /* 16*4882a593Smuzhiyun * On x86_32, all segment registers, with the possible exception of 17*4882a593Smuzhiyun * gs, are saved at kernel entry in pt_regs. 18*4882a593Smuzhiyun */ 19*4882a593Smuzhiyun #ifdef CONFIG_X86_32_LAZY_GS 20*4882a593Smuzhiyun u16 gs; 21*4882a593Smuzhiyun #endif 22*4882a593Smuzhiyun unsigned long cr0, cr2, cr3, cr4; 23*4882a593Smuzhiyun u64 misc_enable; 24*4882a593Smuzhiyun struct saved_msrs saved_msrs; 25*4882a593Smuzhiyun struct desc_ptr gdt_desc; 26*4882a593Smuzhiyun struct desc_ptr idt; 27*4882a593Smuzhiyun u16 ldt; 28*4882a593Smuzhiyun u16 tss; 29*4882a593Smuzhiyun unsigned long tr; 30*4882a593Smuzhiyun unsigned long safety; 31*4882a593Smuzhiyun unsigned long return_address; 32*4882a593Smuzhiyun bool misc_enable_saved; 33*4882a593Smuzhiyun } __attribute__((packed)); 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun /* routines for saving/restoring kernel state */ 36*4882a593Smuzhiyun extern char core_restore_code[]; 37*4882a593Smuzhiyun extern char restore_registers[]; 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun #endif /* _ASM_X86_SUSPEND_32_H */ 40