bugSimulavr: an AVR simulator - Bugs: bug #59427, Pending external interrupts can...

 
 

bug #59427: Pending external interrupts can not be cleared

Submitted by:  None
Submitted on:  Sat 07 Nov 2020 11:30:24 AM UTC
 
Category:  Simulation Severity:  3 - Normal
Item Group:  None Status:  None
Privacy:  Public Assigned to:  None
Originator Email:  -email is unavailable- Open/Closed:  Open
Component Version:  * simulavr
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Sat 07 Nov 2020 11:30:24 AM UTC, original submission:  

I observed that clearing pending external interrupts has no effect. For instance, clearing the PCIE bit (by writing a 0 bit) inside of GIMSK or clearing the PCIF bit (by writing a 1 bit) inside of GIFR, does not prevent the interrupt handler to be run.

Looking at the simulavr source code it seems like a Problem inside of libsim/externalirq.cpp in the function ExternalIRQHandler::set_from_reg. The function does not call ClearIrqFlag which would be required to clear any pending interrupts...

Anonymous

 

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