2 * Copyright 2001-2003 Pavel Machek <pavel@suse.cz>
4 * Copyright 2001 Patrick Mochel <mochel@osdl.org>
10 arch_prepare_suspend(void)
15 /* Image of the saved processor state. If you touch this, fix acpi_wakeup.S. */
16 struct saved_context {
17 u16 ds, es, fs, gs, ss;
18 unsigned long gs_base, gs_kernel_base, fs_base;
19 unsigned long cr0, cr2, cr3, cr4;
22 unsigned long gdt_base;
25 unsigned long idt_base;
30 unsigned long return_address;
32 } __attribute__((packed));
34 /* We'll access these from assembly, so we'd better have them outside struct */
35 extern unsigned long saved_context_eax, saved_context_ebx, saved_context_ecx, saved_context_edx;
36 extern unsigned long saved_context_esp, saved_context_ebp, saved_context_esi, saved_context_edi;
37 extern unsigned long saved_context_r08, saved_context_r09, saved_context_r10, saved_context_r11;
38 extern unsigned long saved_context_r12, saved_context_r13, saved_context_r14, saved_context_r15;
39 extern unsigned long saved_context_eflags;
42 #define loaddebug(thread,register) \
43 __asm__("movq %0,%%db" #register \
45 :"r" ((thread)->debugreg##register))
47 extern void fix_processor_context(void);
49 #ifdef CONFIG_ACPI_SLEEP
50 extern unsigned long saved_eip;
51 extern unsigned long saved_esp;
52 extern unsigned long saved_ebp;
53 extern unsigned long saved_ebx;
54 extern unsigned long saved_esi;
55 extern unsigned long saved_edi;
57 /* routines for saving/restoring kernel state */
58 extern int acpi_save_state_mem(void);
59 extern int acpi_save_state_disk(void);