1 files changed, 52 insertions, 0 deletions

diff --git a/arch/x86/include/asm/suspend_64.h b/arch/x86/include/asm/suspend_64.h
new file mode 100644
index 000000000000..06284f42b759
--- /dev/null
+++ b/arch/x86/include/asm/suspend_64.h
@@ -0,0 +1,52 @@
+/*
+ * 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/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_SUSPEND_64_H */