[libre-riscv-dev] [Bug 217] create a "ring" system which allows pad locations to be specified conveniently

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=217

--- Comment #60 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
(In reply to Jean-Paul.Chaput from comment #59)
> (In reply to Luke Kenneth Casson Leighton from comment #58)
> > (In reply to Jean-Paul.Chaput from comment #57)
> >   File "doAlu16Flat.py", line 89, in build
> >     result = self.route()
> >   File "/home/lkcl/soclayout/experiments7/utils.py", line 191, in route
> >     katana.loadGlobalRouting(Anabatic.EngineLoadGrByNet)
> > hurricane.HurricaneError: [BUG] Unmanaged Configuration [16843266] =
> > [2+2+0+1,1+0] <id:1492 Net "a(5)" e-- LOGICAL i--- (IN)> in <id:5325
> > Anabatic::GCell <Box 200l 0l 250l 50l> ----------M---,i-A- 15>
> >       The global routing seems to be defective.
> 
> Argh! Yes everything was commited. But, as we are not 100% clone of
> each other (what Intel would call "copy exact" for its foundries),
> you may have got a slighty different Yosys netlist and so a
> slightly different placement. 

iinteresting.  i remember your warning about that on bug #178.

ahh so in case you need to repro that:

$ cd ~/yosys
$ git diff
diff --git a/Makefile b/Makefile
index e9dfd9df..8a935579 100644
--- a/Makefile
+++ b/Makefile
@@ -128,7 +128,7 @@ bumpversion:
 # is just a symlink to your actual ABC working directory, as 'make mrproper'
 # will remove the 'abc' directory and you do not want to accidentally
 # delete your work on ABC..
-ABCREV = 71f2b40
+ABCREV = default
 ABCPULL = 1
 ABCURL ?= https://github.com/berkeley-abc/abc

> I was lazy, I didn't manage that case.
> I will do it this evening...

i'll git pull on yosys and recompile.

commit ae115fa3aac9acf7534b3f7c08afaa1b86bfc4ad
Merge: 2b1fb8c0 35990b95
Author: Claire Wolf <clifford at clifford.at>
Date:   Mon Apr 20 14:51:40 2020 +0200

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