projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * Copyright 2001-2003 Pavel Machek <pavel@suse.cz> | |
| 3 | * Based on code | |
| 4 | * Copyright 2001 Patrick Mochel <mochel@osdl.org> | |
| 5 | */ | |
| 6 | #include <asm/desc.h> | |
| 7 | #include <asm/i387.h> | |
| 8 | ||
| 9 | static inline int | |
| 10 | arch_prepare_suspend(void) | |
| 11 | { | |
| 12 | return 0; | |
| 13 | } | |
| 14 | ||
| 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; | |
| 8d783b3e | 19 | unsigned long cr0, cr2, cr3, cr4, cr8; |
| 3c321bce | 20 | unsigned long efer; |
| 1da177e4 LT |
21 | u16 gdt_pad; |
| 22 | u16 gdt_limit; | |
| 23 | unsigned long gdt_base; | |
| 24 | u16 idt_pad; | |
| 25 | u16 idt_limit; | |
| 26 | unsigned long idt_base; | |
| 27 | u16 ldt; | |
| 28 | u16 tss; | |
| 29 | unsigned long tr; | |
| 30 | unsigned long safety; | |
| 31 | unsigned long return_address; | |
| 32 | unsigned long eflags; | |
| 33 | } __attribute__((packed)); | |
| 34 | ||
| 35 | /* We'll access these from assembly, so we'd better have them outside struct */ | |
| 36 | extern unsigned long saved_context_eax, saved_context_ebx, saved_context_ecx, saved_context_edx; | |
| 37 | extern unsigned long saved_context_esp, saved_context_ebp, saved_context_esi, saved_context_edi; | |
| 38 | extern unsigned long saved_context_r08, saved_context_r09, saved_context_r10, saved_context_r11; | |
| 39 | extern unsigned long saved_context_r12, saved_context_r13, saved_context_r14, saved_context_r15; | |
| 40 | extern unsigned long saved_context_eflags; | |
| 41 | ||
| 42 | #define loaddebug(thread,register) \ | |
| 2b514e74 | 43 | set_debugreg((thread)->debugreg##register, register) |
| 1da177e4 LT |
44 | |
| 45 | extern void fix_processor_context(void); | |
| 46 | ||
| 47 | #ifdef CONFIG_ACPI_SLEEP | |
| 7db681d7 VG |
48 | extern unsigned long saved_rip; |
| 49 | extern unsigned long saved_rsp; | |
| 50 | extern unsigned long saved_rbp; | |
| 51 | extern unsigned long saved_rbx; | |
| 52 | extern unsigned long saved_rsi; | |
| 53 | extern unsigned long saved_rdi; | |
| 1da177e4 LT |
54 | |
| 55 | /* routines for saving/restoring kernel state */ | |
| 56 | extern int acpi_save_state_mem(void); | |
| 57 | #endif |