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Ixiasoft
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Ixiasoft
9.2.2.1. Using General Exception Funnels
The funnel code receives control from the general exception vector. The funnel performs tasks such as saving the stack pointer, saving registers and calling RTOS context-switch routines, and transfers control to the handler. When the handler returns, the funnel code performs tasks such as calling RTOS process-dispatch routines and restoring registers, and transfers control to the appropriate foreground task.