2 * Definitions for the wakeup data structure at the head of the
6 #ifndef ARCH_X86_KERNEL_ACPI_RM_WAKEUP_H
7 #define ARCH_X86_KERNEL_ACPI_RM_WAKEUP_H
10 #include <linux/types.h>
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 */
26 u16 trampoline_segment; /* segment with trampoline code, 64-bit only */
32 u32 signature; /* To check we have correct structure */
33 } __attribute__((__packed__));
35 extern struct wakeup_header wakeup_header;
38 #define HEADER_OFFSET 0x3f00
39 #define WAKEUP_SIZE 0x4000
41 #endif /* ARCH_X86_KERNEL_ACPI_RM_WAKEUP_H */