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