| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * Copyright 2001-2003 Pavel Machek <pavel@suse.cz> |
| * Based on code |
| * Copyright 2001 Patrick Mochel <mochel@osdl.org> |
| */ |
| #ifndef _ASM_X86_SUSPEND_64_H |
| #define _ASM_X86_SUSPEND_64_H |
| |
| #include <asm/desc.h> |
| #include <asm/fpu/api.h> |
| |
| /* |
| * Image of the saved processor state, used by the low level ACPI suspend to |
| * RAM code and by the low level hibernation code. |
| * |
| * If you modify it, fix arch/x86/kernel/acpi/wakeup_64.S and make sure that |
| * __save/__restore_processor_state(), defined in arch/x86/kernel/suspend_64.c, |
| * still work as required. |
| */ |
| struct saved_context { |
| struct pt_regs regs; |
| u16 ds, es, fs, gs, ss; |
| unsigned long gs_base, gs_kernel_base, fs_base; |
| unsigned long cr0, cr2, cr3, cr4, cr8; |
| u64 misc_enable; |
| bool misc_enable_saved; |
| struct saved_msrs saved_msrs; |
| unsigned long efer; |
| u16 gdt_pad; /* Unused */ |
| struct desc_ptr gdt_desc; |
| u16 idt_pad; |
| u16 idt_limit; |
| unsigned long idt_base; |
| u16 ldt; |
| u16 tss; |
| unsigned long tr; |
| unsigned long safety; |
| unsigned long return_address; |
| } __attribute__((packed)); |
| |
| #define loaddebug(thread,register) \ |
| set_debugreg((thread)->debugreg##register, register) |
| |
| /* routines for saving/restoring kernel state */ |
| extern char core_restore_code[]; |
| extern char restore_registers[]; |
| |
| #endif /* _ASM_X86_SUSPEND_64_H */ |
