struct _FIRMWARE_INFORMATION_LOADER_BLOCK// Size=0x20
{
    unsigned long FirmwareTypeEfi:1;// Offset=0x0 Size=0x4 BitOffset=0x0 BitSize=0x1
    unsigned long Reserved:31;// Offset=0x0 Size=0x4 BitOffset=0x1 BitSize=0x1f
    union _unnamed_502 u;// Offset=0x8 Size=0x18
};