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Altera_Forum
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21 years ago

[Nios II]: questions on "trap" and modelsim

Hi, I started to use the "Nios II/fast core" and made some timing tests. but I got some trouble to find out how "trap" work. in assembly, when user issue a trap: .... tra...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
21 years ago

There is no public API for adding your own trap handler to the HAL. However if you copy the file alt_exceptions.S from the altera_nios2 component into your system library project, you will be able to modify it to include your own trap handler.

Search for the "trap_handler" symbol in that file, and you will see where to add your own code.