Method of communication between firmware written for different i

Details Method of communication between firmware written for different i Method of communication between firmware written for different i

1998-11-30

2000-06-27

Butler, Dennis M.

Electrical computers and digital processing systems: support

Digital data processing system initialization or configuration

713 2, 39550048, G06F 9445, G06F 9455

Patent

active

060818905

ABSTRACT:
A firmware system comprises a legacy firmware module and a native firmware module written for native and legacy instruction set architectures (ISAs), respectively. A data structure is associated with the legacy firmware module to provide access to one or more legacy routines through a first dispatcher. The native firmware nodule includes a prologue routine. The prolog routine locates the data structure associated with the legacy firmware module and initializes it to provide a link between the first and second firmware modules.

REFERENCES:
patent: 3891974 (1975-06-01), Coulter et al.
patent: 4077058 (1978-02-01), Appell et al.
patent: 5388215 (1995-02-01), Baker et al.

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