AR# 4914: A1.5/F1.5 Map - FATAL_ERROR:baste:bastencdf - Error in attempt to create BELs.
AR# 4914
A1.5/F1.5 Map - FATAL_ERROR:baste:bastencdf - Error in attempt to create BELs.
説明
Virtex mapper will fail with the following fatal error when all slices are trimmed. In the case seen here, nothing but IOBs were left.
Map fails with:
FATAL_ERROR:baste:bastencdf - Error in attempt to create BELs.
ソリューション
The source of the trimming needs to be corrected. A short term fix is to map with the -u switch (don't trim unused logic) or to use noclip attributes on key nets that are involved in the trimming: