Sunday, 2022-12-04

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Guest8Hi ,11:14
Guest8How to set dont use library cells for some library cells based on pattern : like set_dont_use /XOR311:14
Guest8Using version : Yosys 0.23+45 (git sha1 a64ed82, clang 10.0.0-4ubuntu1 -fPIC -Os)11:14
Guest8Thanks11:14
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bjonnhHi, I'm trying to compile this verilog module: https://gist.github.com/bjonnh/16f64872e62fb86ef429c98abce330fc22:13
bjonnhand I get top.v:37: ERROR: syntax error, unexpected '(', expecting OP_CAST22:14
bjonnhThis seems to be related to those two entries with signed( on them. If I comment that code, I get an error on line 51 about  ERROR: syntax error, unexpected TOK_CONSTVAL22:15
bjonnhTo me this all look like normal verilog I can't really get what's wrong with it.22:15
tntb'00  should be 2'b0022:22
tntsigned should be $signed AFAIR22:22
bjonnhThanks, I found that here: https://github.com/AndrewJones-PSU/I2S2Test  I suppose they use some kind of vendor specific verilog?22:23
tntor systemverilog22:23
bjonnhoh so systemverilog IS different from verilog22:24
bjonnhI wasn't sure as I gave the ECP PLL example (that is in systemverilog) directly to yosys and it was happy with it22:24
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bjonnhtnt: Thanks, that works now. 22:28
bjonnhWell... still no sound out, but at least that compiles22:37
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