Method for patching a read-only memory and a data processing...

Details Method for patching a read-only memory and a data processing... Method for patching a read-only memory and a data processing...

2011-07-19

2011-07-19

Khatri, Anil (Department: 2191)

Data processing: software development, installation, and managem

Software upgrading or updating

C717S174000, C709S203000

Reexamination Certificate

active

07984432

ABSTRACT:
A method for patching a read-only memory (ROM) includes providing multiple patch contexts in a patch contexts memory, with the ROM providing information for a data processing system. Each patch context defines a different set of patches, with each patch comprising a patch address and corresponding patch data. The patch contexts are activated one at a time. Each time the information is patched according to the currently activated patch context.

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