mirror of https://gitee.com/openkylin/linux.git
42 lines
1.1 KiB
C
42 lines
1.1 KiB
C
/*
|
|
* Definitions for the wakeup data structure at the head of the
|
|
* wakeup code.
|
|
*/
|
|
|
|
#ifndef ARCH_X86_KERNEL_ACPI_RM_WAKEUP_H
|
|
#define ARCH_X86_KERNEL_ACPI_RM_WAKEUP_H
|
|
|
|
#ifndef __ASSEMBLY__
|
|
#include <linux/types.h>
|
|
|
|
/* This must match data at wakeup.S */
|
|
struct wakeup_header {
|
|
u16 video_mode; /* Video mode number */
|
|
u16 _jmp1; /* ljmpl opcode, 32-bit only */
|
|
u32 pmode_entry; /* Protected mode resume point, 32-bit only */
|
|
u16 _jmp2; /* CS value, 32-bit only */
|
|
u32 pmode_cr0; /* Protected mode cr0 */
|
|
u32 pmode_cr3; /* Protected mode cr3 */
|
|
u32 pmode_cr4; /* Protected mode cr4 */
|
|
u32 pmode_efer_low; /* Protected mode EFER */
|
|
u32 pmode_efer_high;
|
|
u64 pmode_gdt;
|
|
u32 realmode_flags;
|
|
u32 real_magic;
|
|
u16 trampoline_segment; /* segment with trampoline code, 64-bit only */
|
|
u8 _pad1;
|
|
u8 wakeup_jmp;
|
|
u16 wakeup_jmp_off;
|
|
u16 wakeup_jmp_seg;
|
|
u64 wakeup_gdt[3];
|
|
u32 signature; /* To check we have correct structure */
|
|
} __attribute__((__packed__));
|
|
|
|
extern struct wakeup_header wakeup_header;
|
|
#endif
|
|
|
|
#define HEADER_OFFSET 0x3f00
|
|
#define WAKEUP_SIZE 0x4000
|
|
|
|
#endif /* ARCH_X86_KERNEL_ACPI_RM_WAKEUP_H */
|