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Altera_Forum's avatar
Altera_Forum
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11 years ago

NiosII booting from on-chip memory

I am trying to boot a NiosII (HAL only, no other bigger OS) on a Cyclone IV directly from the on-chip memory. I have initialized the memory .hex file and included it in my project. I then recompiled ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

Either you didn't correctly configure the NIOS to boot from that RAM (reset/exception vector memory locations), or the software in the RAM is buggy.

Double check your Qsys NIOS parameters.

Check your Quartus reports to see that the RAM is correctly initialized from the .hex you thought it should be.

After the system boots, look at the RAM and see if the contents match expected.