1 files changed, 58 insertions, 0 deletions

diff --git a/include/asm-x86_64/suspend.h b/include/asm-x86_64/suspend.h
new file mode 100644
index 000000000000..ec745807feae
--- /dev/null
+++ b/include/asm-x86_64/suspend.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright 2001-2003 Pavel Machek <pavel@suse.cz>
+ * Based on code
+ * Copyright 2001 Patrick Mochel <mochel@osdl.org>
+ */
+#include <asm/desc.h>
+#include <asm/i387.h>
+
+static inline int
+arch_prepare_suspend(void)
+{
+        return 0;
+}
+
+/* Image of the saved processor state. If you touch this, fix acpi_wakeup.S. */
+struct saved_context {
+        u16 ds, es, fs, gs, ss;
+        unsigned long gs_base, gs_kernel_base, fs_base;
+        unsigned long cr0, cr2, cr3, cr4;
+        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;
+        unsigned long eflags;
+} __attribute__((packed));
+
+/* We'll access these from assembly, so we'd better have them outside struct */
+extern unsigned long saved_context_eax, saved_context_ebx, saved_context_ecx, saved_context_edx;
+extern unsigned long saved_context_esp, saved_context_ebp, saved_context_esi, saved_context_edi;
+extern unsigned long saved_context_r08, saved_context_r09, saved_context_r10, saved_context_r11;
+extern unsigned long saved_context_r12, saved_context_r13, saved_context_r14, saved_context_r15;
+extern unsigned long saved_context_eflags;
+
+#define loaddebug(thread,register) \
+               __asm__("movq %0,%%db" #register  \
+                       : /* no output */ \
+                       :"r" ((thread)->debugreg##register))
+
+extern void fix_processor_context(void);
+
+#ifdef CONFIG_ACPI_SLEEP
+extern unsigned long saved_eip;
+extern unsigned long saved_esp;
+extern unsigned long saved_ebp;
+extern unsigned long saved_ebx;
+extern unsigned long saved_esi;
+extern unsigned long saved_edi;
+
+/* routines for saving/restoring kernel state */
+extern int acpi_save_state_mem(void);
+#endif