Processor system with an application and a maintenance function
First Claim
1. A processor system with an application and a maintenance function that would interfere with the application if concurrently executed, the processor core system comprisinga set of processor cores operable in different security and context-related modes, said processor cores having at least one interrupt input and at least one wait for interrupt output;
- a wait for interrupt expansion circuit responsive to the at least one wait for interrupt output to provide an interrupt signal, at least one of said processor cores operable in response to the interrupt signal to schedule a maintenance function separated in time from execution of the application.
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Abstract
A processor system with an application and a maintenance function that would interfere with the application if concurrently executed. The processor system comprises a set of processor cores operable in different security and context-related modes, said processors having at least one interrupt input and at least one wait for interrupt output. The processor system also comprises a wait for interrupt expansion circuit responsive to the at least one wait for interrupt output to provide an interrupt signal, at least one of said processor cores operable in response to the interrupt signal to schedule a maintenance function separated in time from execution of the application.
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Citations
11 Claims
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1. A processor system with an application and a maintenance function that would interfere with the application if concurrently executed, the processor core system comprising
a set of processor cores operable in different security and context-related modes, said processor cores having at least one interrupt input and at least one wait for interrupt output; a wait for interrupt expansion circuit responsive to the at least one wait for interrupt output to provide an interrupt signal, at least one of said processor cores operable in response to the interrupt signal to schedule a maintenance function separated in time from execution of the application. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
Specification