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Altera_Forum
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10 years ago

Constraining C compiler to not make byte accesses to PCIe

The Stratix 128 bit AVMM I/F to HIP is broken for certain byte enable combinations including byte. Resulting in a malformed TLP. I have a workload in RC host memory that the NIOS II fetches and...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

The software on the other end of the link needs to be changed to never use unaligned addresses for requests for FPGA processing. I.e. never give the FPGA an unaligned address for it's data pointer.