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Altera_Forum
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13 years ago

Question about root port bus functional model

Hi, I am reading the PCIE compiler guide, and trying to build my design using the the PCIE IP. https://www.alteraforum.com/forum/attachment.php?attachmentid=6710 The above diagram is the ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

The Root Port BFM (bus functional model) is used to provide stimulus to the PCIe IP. PCIe is very complicated, so you have to have something that creates data correctly or the PCIe IP core won't even begin to work. The BFM simulates the PC hardware and driver. It's not an exact match because different PCs act a bit differently and so do drivers.