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Altera_Forum
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14 years ago

Multi NIOS2 system Custom instruction opcode reuse problem in QSys

I'm currently using Qsys version 11.0, Build 157. Currently I have a system that consists of two NIOS2 processors and they are both connected to their own custom instruction component. As far a...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

I was able to reproduce this. If others run into this try placing the CPU and custom instructions into separate subsystems to avoid this issue with the overlapping opcodes.