Wednesday, 2021-10-13

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sf-slack<syed.ahmed.emails> Hi all, I'm seeing some incorrect values in one my litex benchmarks that happens due to having a RAM module of parameters data width = 256; address width = 6; and depth = 64. The RAM gets mapped to 4 `$__XILINX_RAMB36_SDP` of BRAM geometry `abits=9 dbits=72 wports=0 rports=0` (reading from yosys logs). I get correct values if I change my design and have it map to RAMB18_SDPs. Is this a known issue?01:09
tcalHow do I run place and route in nextpnr (-nexus to be specific) when using the GUI?    If I start with the batch command line and just add `--gui`, it seems that all I can do is run "pack".  This is the complete line: `nextpnr-nexus --json hps_proto2_platform.json --pdc hps_proto2_platform.pdc --fasm hps_proto2_platform.fasm --device LIFCL-17-8UWG72C   --seed 1 --router router2 --gui`05:52
tcalHow do I run place and route in nextpnr (-nexus to be specific) when using the GUI?    If I start with the batch command line and just add `--gui`, it seems that all I can do is run "pack".  This is the complete line: `nextpnr-nexus --json hps_proto2_platform.json --pdc hps_proto2_platform.pdc --fasm hps_proto2_platform.fasm --device LIFCL-17-8UWG72C   --seed 1 --router router2 --gui`.05:53
sf-slack<syed.ahmed.emails> I added more details for my RAM issue here if anybody could take a look: https://github.com/SymbiFlow/symbiflow-arch-defs/issues/230406:05
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