Race free data transfer algorithm using hardware based polling

Details Race free data transfer algorithm using hardware based polling Race free data transfer algorithm using hardware based polling

2006-07-11

2006-07-11

Shin, Christopher (Department: 2182)

Electrical computers and digital data processing systems: input/

Input/output data processing

Input/output data buffering

C710S005000, C710S022000, C710S046000, C711S170000, C711S218000

Reexamination Certificate

active

07076578

ABSTRACT:
A method and apparatus for a race free data transfer algorithm using hardware based polling. One disclosed method transfers information between a target device and a buffer which is one of a set of buffers. The buffer is pointed to by a current buffer value stored in a controller. The current buffer value is adjusted to point to a next buffer if the current buffer value is different than a last buffer value. One of the set of buffers is serviced utilizing either the current buffer value or the last buffer value from the controller.

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AMD “PCnet Family Software Design Considerations” pp. 2-36.

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