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Altera_Forum
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9 years ago

Interrupts using the ARM core and the GIC

I have been looking at the Altera documentation for the GIC on the Cyclone V device. Found here: ftp://ftp.altera.com/up/pub/altera_material/15.0/tutorials/using_gic.pdf At the bottom of which...
Altera_Forum's avatar
Altera_Forum
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9 years ago

Ooooppps, something went wrong.

It's stuck in reset as this where the processor goes upon reset (reset is an exception).

You may able to go into your "C" code by replacing the while(1) in void __attribute__ ((interrupt)) __cs3_reset (void) with this:

extern void _start(void);

_start()

I'm not sure at all it will be OK as the stack hasn't been set-up.

The other way is to simply comment out / remove the code for __cs3_reset.

As it is defined, it most likely overloads the default one from the "C" library.