Commit Graph

11 Commits

Author SHA1 Message Date
Tim Edwards 7e738576bc Corrected errors in LEF output syntax (missing semicolons at
statement ends on properties imported from a LEF file).  Never
noticed before because writing LEF after reading LEF was unusual.
2019-04-01 12:23:48 -04:00
Tim Edwards 1beb7cd741 Corrected error that potentially causes a segfault in "lef write"
when accessing the inverse layer map array beyond its defined
allocated limit of DBNumUserLayers.
2019-02-06 11:09:46 -05:00
Tim Edwards 8c35898902 Added same correction as made to version 8.1 to prevent leaving
the undo mechanism in the wrong state when writing a LEF header
with no route track information.  Also added code to the DEF write
routine to handle subcell arrays.  Thanks to Martin Devera for
both patches.
2019-01-01 20:39:16 -05:00
Tim Edwards f3d191981d Corrected a few aspects of LEF write: (1) Put BUSBITCHARS in the
header, (2) Use CLASS BLOCK in the macro if no class is defined,
and (3) Add END LIBRARY to the end of the file.
2018-12-13 12:04:10 -05:00
Tim Edwards 17227ee427 Added new option "-hide" to the "lef write" command, which causes
the output to have an obstruction area over the entire cell except
for a keep-out area around each pin.  Instead of marking every
part of the pin geometry, only the "chunk" (largest immediate
rectangle) surrounding the port label is output as part of port
LEF geometry.  This avoids making unnecessarily complicated
abstract views, and makes it easier for other tools to read and
manage the same abstract views.
2018-11-19 15:01:20 -05:00
Tim Edwards 8d95a3002b Corrected an error in LEF write that will cause a segfault if a
label is attached to space.
2018-02-21 10:02:23 -05:00
Tim Edwards f116c1e448 Experimental change in the way hierarchical DRC is handled. To
avoid the problem where subcells violate DRC themselves but do
not violate DRC in the context of the parent (i.e., the parent
adds metal to avoid minimum area error), DRC errors in subcells
are neither counted nor displayed, but they remain present in
the subcell database.  The DRC check enumerates all subcell
errors as mandatory check areas in DRCFindInteractions(), so
that those areas are always counted with the interaction areas.
Previously, if a subcell violated a DRC rule by itself, that
error would be counted and displayed in the parent even if the
parent had paint causing the error to no longer exist.
2017-10-06 12:38:48 -04:00
Tim Edwards 909c3a8c6a Corrected an error in lefWrite where a variable was not set,
causing occasional intermittent crashes on "lef write".
2017-10-05 22:08:24 -04:00
Tim Edwards a35134ef60 Corrected an error in the "lef write" command that prevents
obstruction layers from being generated in the output LEF file.
2017-10-05 16:55:01 -04:00
Tim Edwards 088fc759c4 Set of changes updating version 8.2 to the level of 8.1, since 8.2
development had been halted since it was first created back in April.
Version 8.2 is now the official development version, with the first
development push to create a Cairo graphics interface.
2017-08-01 22:14:42 -04:00
Tim Edwards 231a299b16 Initial commit at Tue Apr 25 08:41:48 EDT 2017 by tim on stravinsky 2017-04-25 08:41:48 -04:00