0de80bcc2b
During hibernation and suspend on x86_64 save CPU registers in the saved_context structure rather than in a handful of separate variables. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
/*
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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_64_SUSPEND_H
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#define __ASM_X86_64_SUSPEND_H
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#include <asm/desc.h>
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#include <asm/i387.h>
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static inline int
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arch_prepare_suspend(void)
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{
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return 0;
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}
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/* Image of the saved processor state. If you touch this, fix acpi/wakeup.S. */
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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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unsigned long efer;
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u16 gdt_pad;
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u16 gdt_limit;
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unsigned long gdt_base;
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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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extern void fix_processor_context(void);
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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_64_SUSPEND_H */
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