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AR# 3810

A1.4/F1.4 Map - FATAL_ERROR:baste:bastetspec.c:908:1.69 - No pins of NC_SIGNAL ...


An environment variable (XIL_MAP_TOLERATE_TIG_ERROR) has been
added that changes certain timespec related fatal errors to
warnings. The errors ocurr when the correlation between the logical timespec constraint and the physical implementation is lost during mapping. Use of the environment variable caused
the timespec to be lost, but allows map to continue. Many
of these cases have to do with lost TIGs, so the impact of
the lost timespec is that a path is over constrained.


This new feature can be accessed by installing the latest M1.4 Core Tools Update available on the Xilinx Download Area:

Solaris: http://www.xilinx.com/txpatches/pub/swhelp/M1.4_alliance/core_sol17_m14.tar.Z
SunOS http://www.xilinx.com/txpatches/pub/swhelp/M1.4_alliance/core_sun17_m14.tar.Z
HPUX: http://www.xilinx.com/txpatches/pub/swhelp/M1.4_alliance/core_hp17_m14.tar.Z
Win95/NT: http://www.xilinx.com/txpatches/pub/swhelp/M1.4_alliance/core_nt17.zip

Setting the environment variable:
setenv XIL_MAP_TOLERATE_TIG_ERROR (work stations)
AR# 3810
Date 03/27/2000
Status Archive
Type General Article
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