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cr1901_modern | mwk: The -icells param you mentioned to read_verilog works for my needs for now. I don't have the time to look deeply into this right now, but I _feel like_ the backends that use attrmvcp aren't using it properly. | 21:52 |
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cr1901_modern | When I run them, all src/loc attributes on all nets are moved to cells b/c of the "n:*" selection tacked on at the end | 21:53 |
cr1901_modern | When I thought the point was to move src/loc from ports to the cells | 21:53 |
cr1901_modern | err, move the attributes on the verilog modules ports to the cells driving/driven by the verilog module ports* | 21:54 |
mwk | ... my gut feeling is that they should not be doing that anyway | 22:28 |
mwk | hmm | 22:29 |
cr1901_modern | What I'm using: attrmvcp -attr src -attr LOC -driven t:$__FACADE_INPAD %x:+[I] | 22:30 |
cr1901_modern | for example- this works (both the wire _and_ the cell have to be in the selection) | 22:31 |
cr1901_modern | fwiw, those attrmvcps in synth_greenpak/coolrunner have always been this way. Makes me wonder if it's syntax changed over time, or a typo was copied | 22:32 |
mwk | ... or someone just didn't care | 22:32 |
cr1901_modern | who knows :). I wanted to do the "use attributes for placement and io_type" trick b/c I thought it'd be easier to prototype. | 22:36 |
cr1901_modern | But the time it took me to get it working- among other real life things this week- I could've used ECP5's LPF parser for this | 22:37 |
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