Answers Database
1.5i XC4000X* Map/PAR - ERROR:x4kpl:368 - RPM "l***" contains a partial carry logic chain. This is not supported in the current release.
Record #5146
Product Family: Software
Product Line: FPGA Implementation
Product Part: par
Product Version: 1.5i
Problem Title:
1.5i XC4000X* Map/PAR - ERROR:x4kpl:368 - RPM "l***" contains a partial carry logic chain.
This is not supported in the current release.
Problem Description:
Urgency: Standard
General Description:
The following error in par is a result from map removing portions of the carry chain.
ERROR:x4kpl:368 - RPM "linear_keyer_mult4_multiplier/hset" contains a partial
carry logic chain. This is not supported in the current release. Carry
logic chains must either be fully contained in the RPM or not in an RPM at
all. The carry logic chain is broken at CLB "logo_insert_chroma_y2<2>" and
is driven by CLB "logo_insert_chroma_y2<0>" which is not contained in this
RPM.
Please fix this problem before continuing.
ERROR:x4kpl:368 - RPM "linear_keyer_mult4_multiplier/hset" contains a partial
carry logic chain. This is not supported in the current release. Carry
logic chains must either be fully contained in the RPM or not in an RPM at
all. The carry logic chain is broken at CLB "logo_insert_chroma_y2<4>" and
is driven by CLB "logo_insert_chroma_y2<2>" which is not contained in this
RPM.
Please fix this problem before continuing.
Solution 1:
This problem is related to the fact that Express does not RLOC carry chains
for 4K devices. A fix to Express is expected to fix this.
End of Record #5146 - Last Modified: 03/23/99 12:11 | 
