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Altera_Forum's avatar
Altera_Forum
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13 years ago

Problem with IORD and IOWR instructions

Dear all, I have a qsys system composed of two NIOS that can access a shared memory (data masters are connected to the memory), when I use the instructions IORD and IOWR I don't obtain the r...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

Depending on what I'm doing I typically either use a shared memory and a mutex or FIFOs to share data back and forth. You just connect them to the data master of each processor and both should be able to issue reads/writes to the shared data.