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Altera_Forum's avatar
Altera_Forum
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20 years ago

Volatile... or is it??

Hi there, I just wanted to save you guys some gray hairs when working with pointers to your hardware in a kernel module. I had a module with a volatile struct pointing to the registers of my ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
20 years ago

If I remember correctly, the volatile keyword does not cause the Nios II compiler to generate code to bypass the cache. That could be the source of your problem. I think there was a thread on this a while ago in the general software forum, you could try searching for it.

Dennis Scott

Microtronix Datacom