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Visitor nmalorn
Visitor
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Registered: ‎09-21-2017

segmentation fault after writing data to ram over hp port

Hello everyone, I have a Problem with an “segmentation fault”. I create a little design, which writes data through HP port to the ram. If I do this in a range of 50 to 100byte everything is fine, but everything larger than that ends in a segmentation fault. For example, I would like to write data form 0x0010 0000 to 0x0010 07D0 (what should be ~2000 byte), but this ends in a fault. I think, I must do something on PS side, like reserve that space in OS. I tried with mmap, but that didn’t work. Maybe somebody of you have an idea, how to make the OS accept this data transfers. Thanks in advance
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