2024-09-09 08:52:07 +00:00
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/*
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* Copyright 2001-2003 Pavel Machek <pavel@suse.cz>
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* Based on code
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* Copyright 2001 Patrick Mochel <mochel@osdl.org>
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*/
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#ifndef _ASM_X86_SUSPEND_64_H
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#define _ASM_X86_SUSPEND_64_H
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#include <asm/desc.h>
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#include <asm/i387.h>
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/*
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* Image of the saved processor state, used by the low level ACPI suspend to
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* RAM code and by the low level hibernation code.
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*
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* If you modify it, fix arch/x86/kernel/acpi/wakeup_64.S and make sure that
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* __save/__restore_processor_state(), defined in arch/x86/kernel/suspend_64.c,
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* still work as required.
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*/
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struct saved_context {
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struct pt_regs regs;
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u16 ds, es, fs, gs, ss;
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unsigned long gs_base, gs_kernel_base, fs_base;
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unsigned long cr0, cr2, cr3, cr4, cr8;
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u64 misc_enable;
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bool misc_enable_saved;
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unsigned long efer;
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2024-09-09 08:57:42 +00:00
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u16 gdt_pad; /* Unused */
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struct desc_ptr gdt_desc;
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2024-09-09 08:52:07 +00:00
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u16 idt_pad;
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u16 idt_limit;
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unsigned long idt_base;
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u16 ldt;
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u16 tss;
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unsigned long tr;
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unsigned long safety;
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unsigned long return_address;
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} __attribute__((packed));
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#define loaddebug(thread,register) \
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set_debugreg((thread)->debugreg##register, register)
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/* routines for saving/restoring kernel state */
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extern int acpi_save_state_mem(void);
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extern char core_restore_code;
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extern char restore_registers;
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#endif /* _ASM_X86_SUSPEND_64_H */
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