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Porting drivers to DDI 8

DDI versioning

Modifying entry point routines
    Initialization, configuration, and removal routines
    I/O routines
    Interrupt handling

Changes to the kernel function set
    DDI 7 functions obsoleted in DDI 8
    DDI 8 function changes
    Changes to SCO OpenServer 5 kernel function set
        Locks and synchronization
        Memory allocation
        Other function call changes
        TTY drivers

Other coding issues for porting SCO OpenServer 5 drivers

DSP issues
    Porting DDI 7 DSP files to DDI 8
    Modifying DDI 7 DSP files
    Porting SCO OpenServer 5 DSP files to SVR5

Hardware configuration

Driver packaging

Incorporating new DDI 8 functionality

Miscellaneous porting hints