git://bbs.cooldavid.org / net-next-2.6.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * Copyright 2001-2002 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 | ||
| 2d4a34c9 | 9 | static inline int arch_prepare_suspend(void) { return 0; } |
| 1da177e4 LT |
10 | |
| 11 | /* image of the saved processor state */ | |
| 12 | struct saved_context { | |
| 13 | u16 es, fs, gs, ss; | |
| 14 | unsigned long cr0, cr2, cr3, cr4; | |
| d3561b7f RR |
15 | struct Xgt_desc_struct gdt; |
| 16 | struct Xgt_desc_struct idt; | |
| 1da177e4 LT |
17 | u16 ldt; |
| 18 | u16 tss; | |
| 19 | unsigned long tr; | |
| 20 | unsigned long safety; | |
| 21 | unsigned long return_address; | |
| 22 | } __attribute__((packed)); | |
| 23 | ||
| e8b2fd01 | 24 | #ifdef CONFIG_ACPI |
| 1da177e4 LT |
25 | extern unsigned long saved_eip; |
| 26 | extern unsigned long saved_esp; | |
| 27 | extern unsigned long saved_ebp; | |
| 28 | extern unsigned long saved_ebx; | |
| 29 | extern unsigned long saved_esi; | |
| 30 | extern unsigned long saved_edi; | |
| 31 | ||
| 32 | static inline void acpi_save_register_state(unsigned long return_point) | |
| 33 | { | |
| 34 | saved_eip = return_point; | |
| 35 | asm volatile ("movl %%esp,%0" : "=m" (saved_esp)); | |
| 36 | asm volatile ("movl %%ebp,%0" : "=m" (saved_ebp)); | |
| 37 | asm volatile ("movl %%ebx,%0" : "=m" (saved_ebx)); | |
| 38 | asm volatile ("movl %%edi,%0" : "=m" (saved_edi)); | |
| 39 | asm volatile ("movl %%esi,%0" : "=m" (saved_esi)); | |
| 40 | } | |
| 41 | ||
| 42 | #define acpi_restore_register_state() do {} while (0) | |
| 43 | ||
| 44 | /* routines for saving/restoring kernel state */ | |
| 45 | extern int acpi_save_state_mem(void); | |
| 46 | #endif |