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 */ 13struct 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 u8 _pad1; 28 u8 wakeup_jmp; 29 u16 wakeup_jmp_off; 30 u16 wakeup_jmp_seg; 31 u64 wakeup_gdt[3]; 32 u32 signature; /* To check we have correct structure */ 33} __attribute__((__packed__)); 34 35extern struct wakeup_header wakeup_header; 36#endif 37 38#define HEADER_OFFSET 0x3f00 39#define WAKEUP_SIZE 0x4000 40 41#endif /* ARCH_X86_KERNEL_ACPI_RM_WAKEUP_H */ 42