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AR# 7118

Foundation Simulator 2.1i: Warning 9218: LDNODE: (x_suh).IN - Unknown pin name

Description

Keywords: Unknown pin name, X_SUH, Simprims, IN, 9218, Unknown
timing parameter, SUINHICLK, SUINLOCLK, F2.1i

Urgency: Standard

General Description: When loading a 4KEX, XL, or XV time_sim.edn netlist
into Foundation's gate-level simulator the following warnings result:

Warning 9218: LDNODE: GSUH_B_$Net00001_(x_suh).IN - Unknown pin name
Warning 9172: Unknown timing parameter name: SUINHICLK
Warning 9172: Unknown timing parameter name: SUINLOCLK

Solution

The problem is unique to the X_SUH simprim model that implements the new
guaranteed pin-to-pin setup and hold checks that are available for certain
architectures (4KEX, XL, XV). This feature can be disabled by setting the following
environment variable XIL_ANNO_DISABLE_GSUH to 1 and rerunning ngdanno.

The issue has been resolved in the latest 2.1i Service Pack available at:
http://support.xilinx.com/support/techsup/sw_updates/
AR# 7118
Date Created 07/27/1999
Last Updated 03/11/2002
Status Archive
Type General Article