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Global Interrupt Signaling for Cores with a de-central / local Interrupt Mechanism (as used in the C 166 CBC uController of the E-Gold + family) Disclosure Number: IPCOM000017953D
Original Publication Date: 2001-Oct-01
Included in the Prior Art Database: 2003-Jul-23

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Gerhard Forster [+details]


The technical problem refers to the global signaling of locally generated interrupts. Until now, the prob- lem was solved by polling with global barriers of interrupts. The new idea allows a universal interrupt handling. It is also possible to save code for one-chip module- drivers. Beside of the present possibility of switching the global interrupt control on or off, the new solution reports appearing interrupts during a global barrier phase.