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the problem of dma transport of pcie

in the example,the RC device creats 512 words of ordinal number(form 0 to 511), then sent to EP device by DMA, but the revice data are wrong, the front eight data all are 0, and the last eight data are the same–being 0.

Thomas Yang1:

Hi

it could be DMA configuration or PCIe src/dst buffer address alignment issue

Please double check your buffer address alignment

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