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| reces | Hey guys | 08:25 |
|---|---|---|
| reces | I have a question about base addresses that I find in the tilegrid files | 08:25 |
| reces | To my understunding those are frame addresses that should have the format shown in table 5-24 of Xilinx UG470 | 08:26 |
| reces | And I do can find them when I am looking at the frame organisation produced by the x-ray tools | 08:27 |
| reces | What I dont understand is how I can see them in the raw bitstream or maybe how they are derived from it. | 08:28 |
| reces | I think it has to do something with self incrementation but I am not sure how, Could someone give some aid towards that ? | 08:30 |
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| daveshah | reces: You should see the frame address writes if you enable PERFRAMECRC | 12:37 |
| daveshah | tcl set_property bitstream.general.perframecrc yes | 12:37 |
| reces | daveshah Thanks I will try that. But how can I see that without it ? | 12:45 |
| daveshah | You can't because of the auto-incrementation you noticed | 12:45 |
| reces | The needed information should be there since the tool is calculating it | 12:46 |
| daveshah | Oh, you want to calculate it from prjxray? | 12:46 |
| reces | oh so it starts counting frames after it sees the type2 package starting ? | 12:46 |
| daveshah | I think that is what the yaml file is for | 12:46 |
| daveshah | Yes it autoincrements after every 93 data words or however long a frame is | 12:46 |
| reces | Project xray has it calculated in both bitstream to frames and fasm to frames | 12:47 |
| reces | cool | 12:47 |
| reces | what I am not sure of is how it changes block type | 12:48 |
| reces | In the type 2 packet is both `CLB, I/O, CLK (000), block RAM content | 12:49 |
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| litghost | The block type is encoded in the upper bits of the address, per 5-24 | 15:07 |
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