#ifndef _NTBCD_H

/**
 * Constructs a BCD (Boot Configuration Data) object identifier with the specified
 * object type, image type, and application type into a single ULONG value.
 * \param ObjectType The type of the BCD object (placed in the highest 4 bits).
 * \param ImageType The type of the image (placed in the next 4 bits).
 * \param ApplicationType The type of the application (placed in the lowest 20 bits).
 * \returns A ULONG value representing the combined BCD object identifier.
 * \remarks Bit Layout:
 * | 31 ... 28 | 27 ... 24 | 23 ... 20 | 19 .......... 0 |
 * | ObjectType| Reserved  | ImageType | ApplicationType |
 */
#define MAKE_BCD_OBJECT(ObjectType, ImageType, ApplicationType) \
    (((ULONG)(ObjectType) << 28) | \
    (((ULONG)(ImageType) & 0xF) << 20) | \
    ((ULONG)(ApplicationType) & 0xFFFFF))

#endif
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