Forum Discussion

naand's avatar
naand
Icon for New Contributor rankNew Contributor
1 year ago

NIOS II - FW doesn't work with compiler optimization turned on

Dear support team, I have a problem with the behavior of the firmware if the project is built in release mode with optimization enabled. The problem occurs during the write-to-flash routine. I u...
Nios Cpu
naand's avatar
naand
Icon for New Contributor rankNew Contributor
1 year ago

Hi,

I have news about what optimization flag is responsible for the problem; the flag is the -finline-small-functions.

Another test I did was to set the variable flag_status, used to check the Flash status, as volatile, but nothing changed (the flag_status is found in the flash_write_function.c file attached in the first message).

Are there any updates on how to disable optimization for a specific block of code?

Thanks.

Best Regards,

naand