Universal device for coupling a computer bus to a specific link

Details Universal device for coupling a computer bus to a specific link Universal device for coupling a computer bus to a specific link

1992-07-15

1995-10-03

Lee, Thomas C.

Boots, shoes, and leggings

364DIG1, 3642383, 364240, 364280, 3642813, 395650, 395309, 395830, 395831, 395843, 395850, G06F 900, G06F 946, G06F 906

Patent

active

054559502

ABSTRACT:
An operating system (GPOS) for universal device (GPU) for coupling a computer bus (PSB) to at least one specific link of a network (RN), the device includes a microprocessor (CPU) associated with at least one memory (SRAM) containing this system and means (MPC, B.sub.2, VRAM, B.sub.1, DMAC) for transferring frames from the computer bus to the link. The system is associated with a plurality of applications (A.sub.1 -A.sub.n) independent of one another, and includes a central core (NY) managing and organizing the work of each of the applications in real time, an applications manager (GA), which supervises and defines the state each of the applications must be in, and an intercommunications server (SA) for the applications, enabling each of them to request the services of another when that proves necessary. The core, the manager and the intercommunications server communicate between one another via system calls.

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patent: 5247616 (1993-09-01), Berggren
patent: 5367646 (1994-11-01), Pardillos et al.
Holt, R. C., "Concurrent Euclid, The Unix System, and Tunis", 1983, pp. 1-13, 213-297.
Euromicro 88 Symposium on Microprocessing and Microprogramming, vol. 24, Nos. 1-5, Aug. 29, 1988, pp. 503-509.
A. S. Tanenbaum, "Operating Systems--Design and Implementation", 1987, Prentice-Hall, Englewood Cliffs USA.

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