| /* |
| * 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, cr8; |
| 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 |