[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 #64 from Jean-Paul.Chaput at lip6.fr ---
(In reply to Luke Kenneth Casson Leighton from comment #62)
> this is a new one, too:
> 
> $ make clean
> $ make vst
> $ python doAlu16.py
> 
>         <event:00000659 0:917.91:52l> &<id:4837 Vertical o(11) METAL3 [125l
> 535l] [125l 585l] 2l rpD:2 -----CG-----w-----bb- [534l:586l] 52l 0------>
>         <event:00000660 0:662.935:47l> &<id:4806 Vertical o(2) METAL3 [125l
> 90l] [125l 135l] 2l rpD:2 -----CG-----w-----bb- [89l:136l] 47l 0------>
>         <event:00000661 0:662.935:12l> &<id:4846 Vertical o(4) METAL3 [125l
> 190l] [125l 200l] 2l rpD:2 -----CG-----w-----bb- [189l:201l] 12l 0------>
>         <event:00000662 0:662.935:7l> &<id:4869 Vertical o(10) METAL3 [125l
> 495l] [125l 500l] 2l rpD:2 -----CG-----w-----bb- [494l:501l] 7l 0------>
>      o  Repair Stage.
>         <repair.queue:00000000>
>   o  Computing statistics.
>      - Processeds Events Total .............................................
> 663
>      - Unique Events Total .................................................
> 572
>      - # of GCells
> .......................................................... 64
>      - Track Segment Completion Ratio ............................. 100%
> [572+0]
>      - Wire Length Completion Ratio ............................. 100%
> [11039+0]
>      - Wire Length Expand Ratio ............................. -1.02%
> [min:11153]
>      - Unrouted horizontals .......................................... -nan%
> [0]
>      - Unrouted verticals ............................................ -nan%
> [0]
>      - Done in ................................................. 0.03s,
> 413696Kb
>      - Raw measurements .............................. 0.030762s,
> +404Kb/287.8Mb
>   o  Checking Katana Database coherency.
> [STOP] After routing <id:119 Cell add>
>        Type <y> to continue, <n> to abort: (y) 
> 
> (y here)
> 
>   File "/home/lkcl/soclayout/experiments7/utils.py", line 193, in route
>     katana.runNegociate(Katana.Flags.NoFlags)
> hurricane.HurricaneError: [ERROR] NegociateWindow::createTrackSegment(): No
> track near axis of <id:9171 Vertical b(5) METAL3 [-1l 275l] [-1l 275l] 2l
> rpD:15 -----C-------AS-il--->.

  I was hoping it will not show... The current workaround is to slightly
enlarge
  the block abutment box, 10 lambdas by 10 lambdas.

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