1 files changed, 46 insertions, 0 deletions

diff --git a/include/asm-x86/suspend_32.h b/include/asm-x86/suspend_32.h
new file mode 100644
index 000000000000..a2520732ffd6
--- /dev/null
+++ b/include/asm-x86/suspend_32.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright 2001-2002 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 */
+struct saved_context {
+        u16 es, fs, gs, ss;
+        unsigned long cr0, cr2, cr3, cr4;
+        struct Xgt_desc_struct gdt;
+        struct Xgt_desc_struct idt;
+        u16 ldt;
+        u16 tss;
+        unsigned long tr;
+        unsigned long safety;
+        unsigned long return_address;
+} __attribute__((packed));
+
+#ifdef CONFIG_ACPI
+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;
+
+static inline void acpi_save_register_state(unsigned long return_point)
+{
+        saved_eip = return_point;
+        asm volatile ("movl %%esp,%0" : "=m" (saved_esp));
+        asm volatile ("movl %%ebp,%0" : "=m" (saved_ebp));
+        asm volatile ("movl %%ebx,%0" : "=m" (saved_ebx));
+        asm volatile ("movl %%edi,%0" : "=m" (saved_edi));
+        asm volatile ("movl %%esi,%0" : "=m" (saved_esi));
+}
+
+#define acpi_restore_register_state()  do {} while (0)
+
+/* routines for saving/restoring kernel state */
+extern int acpi_save_state_mem(void);
+#endif