| Pavel Machek | e44b7b7 | 2008-04-10 23:28:10 +0200 | [diff] [blame^] | 1 | /* |
| 2 | * Definitions for the wakeup data structure at the head of the |
| 3 | * wakeup code. |
| 4 | */ |
| 5 | |
| 6 | #ifndef ARCH_X86_KERNEL_ACPI_RM_WAKEUP_H |
| 7 | #define ARCH_X86_KERNEL_ACPI_RM_WAKEUP_H |
| 8 | |
| 9 | #ifndef __ASSEMBLY__ |
| 10 | #include <linux/types.h> |
| 11 | |
| 12 | /* This must match data at wakeup.S */ |
| 13 | struct wakeup_header { |
| 14 | u16 video_mode; /* Video mode number */ |
| 15 | u16 _jmp1; /* ljmpl opcode, 32-bit only */ |
| 16 | u32 pmode_entry; /* Protected mode resume point, 32-bit only */ |
| 17 | u16 _jmp2; /* CS value, 32-bit only */ |
| 18 | u32 pmode_cr0; /* Protected mode cr0 */ |
| 19 | u32 pmode_cr3; /* Protected mode cr3 */ |
| 20 | u32 pmode_cr4; /* Protected mode cr4 */ |
| 21 | u32 pmode_efer_low; /* Protected mode EFER */ |
| 22 | u32 pmode_efer_high; |
| 23 | u64 pmode_gdt; |
| 24 | u32 realmode_flags; |
| 25 | u32 real_magic; |
| 26 | u16 trampoline_segment; /* segment with trampoline code, 64-bit only */ |
| 27 | u32 signature; /* To check we have correct structure */ |
| 28 | } __attribute__((__packed__)); |
| 29 | |
| 30 | extern struct wakeup_header wakeup_header; |
| 31 | #endif |
| 32 | |
| 33 | #define HEADER_OFFSET 0x3f00 |
| 34 | #define WAKEUP_SIZE 0x4000 |
| 35 | |
| 36 | #endif /* ARCH_X86_KERNEL_ACPI_RM_WAKEUP_H */ |