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- /*
- * Copyright 2001-2003 Pavel Machek <pavel@suse.cz>
- * Based on code
- * Copyright 2001 Patrick Mochel <mochel@osdl.org>
- */
- #ifndef __ASM_X86_64_SUSPEND_H
- #define __ASM_X86_64_SUSPEND_H
- #include <asm/desc.h>
- #include <asm/i387.h>
- static inline int
- arch_prepare_suspend(void)
- {
- return 0;
- }
- /*
- * 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;
- unsigned long efer;
- u16 gdt_pad;
- u16 gdt_limit;
- unsigned long gdt_base;
- 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 int acpi_save_state_mem(void);
- extern char core_restore_code;
- extern char restore_registers;
- #endif /* __ASM_X86_64_SUSPEND_H */
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