2 * Copyright 2001-2002 Pavel Machek <pavel@suse.cz>
4 * Copyright 2001 Patrick Mochel <mochel@osdl.org>
6 #ifndef __ASM_X86_32_SUSPEND_H
7 #define __ASM_X86_32_SUSPEND_H
12 static inline int arch_prepare_suspend(void) { return 0; }
14 /* image of the saved processor state */
15 struct saved_context {
17 unsigned long cr0, cr2, cr3, cr4;
24 unsigned long return_address;
25 } __attribute__((packed));
28 extern unsigned long saved_eip;
29 extern unsigned long saved_esp;
30 extern unsigned long saved_ebp;
31 extern unsigned long saved_ebx;
32 extern unsigned long saved_esi;
33 extern unsigned long saved_edi;
35 static inline void acpi_save_register_state(unsigned long return_point)
37 saved_eip = return_point;
38 asm volatile("movl %%esp,%0" : "=m" (saved_esp));
39 asm volatile("movl %%ebp,%0" : "=m" (saved_ebp));
40 asm volatile("movl %%ebx,%0" : "=m" (saved_ebx));
41 asm volatile("movl %%edi,%0" : "=m" (saved_edi));
42 asm volatile("movl %%esi,%0" : "=m" (saved_esi));
45 #define acpi_restore_register_state() do {} while (0)
47 /* routines for saving/restoring kernel state */
48 extern int acpi_save_state_mem(void);
51 #endif /* __ASM_X86_32_SUSPEND_H */