_PREBOOT_CONTEXT

Metadatacopy
struct _PREBOOT_CONTEXT {
    unsigned __int64 DoorBell;/* 0x0  8 */
    union {
        unsigned __int64 AllFlags;/* 0x8  8 */
        struct {
            unsigned __int64 Complete : 1;/* 0x8:0  8 */
            unsigned __int64 Spare : 63;/* 0x8:1  8 */
        };/* 0x8  8 */
    };/* 0x8  8 */
    void* LpInfo;/* 0x10  8 */
};