1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Copyright 2001-2003 Pavel Machek <pavel@suse.cz> 4 * Based on code 5 * Copyright 2001 Patrick Mochel <mochel@osdl.org> 6 */ 7 #ifndef _ASM_X86_SUSPEND_64_H 8 #define _ASM_X86_SUSPEND_64_H 9 10 #include <asm/desc.h> 11 #include <asm/fpu/api.h> 12 13 /* 14 * Image of the saved processor state, used by the low level ACPI suspend to 15 * RAM code and by the low level hibernation code. 16 * 17 * If you modify it, fix arch/x86/kernel/acpi/wakeup_64.S and make sure that 18 * __save/__restore_processor_state(), defined in arch/x86/kernel/suspend_64.c, 19 * still work as required. 20 */ 21 struct saved_context { 22 struct pt_regs regs; 23 u16 ds, es, fs, gs, ss; 24 unsigned long gs_base, gs_kernel_base, fs_base; 25 unsigned long cr0, cr2, cr3, cr4, cr8; 26 u64 misc_enable; 27 bool misc_enable_saved; 28 struct saved_msrs saved_msrs; 29 unsigned long efer; 30 u16 gdt_pad; /* Unused */ 31 struct desc_ptr gdt_desc; 32 u16 idt_pad; 33 u16 idt_limit; 34 unsigned long idt_base; 35 u16 ldt; 36 u16 tss; 37 unsigned long tr; 38 unsigned long safety; 39 unsigned long return_address; 40 } __attribute__((packed)); 41 42 #define loaddebug(thread,register) \ 43 set_debugreg((thread)->debugreg##register, register) 44 45 /* routines for saving/restoring kernel state */ 46 extern char core_restore_code[]; 47 extern char restore_registers[]; 48 49 #endif /* _ASM_X86_SUSPEND_64_H */ 50