UPGRADE YOUR BROWSER

We have detected your current browser version is not the latest one. Xilinx.com uses the latest web technologies to bring you the best online experience possible. Please upgrade to a Xilinx.com supported browser:Chrome, Firefox, Internet Explorer 11, Safari. Thank you!
  1. Xilinx - Adaptable. Intelligent.
  2. Support
  3. AR# 7946: 5.1i CORE Generator, VANTAGE, VHDL - "Error: Configuration "cfg_beh" cannot be created because the library already has a configuration with the same name. (util/LBR/58)"

AR# 7946

5.1i CORE Generator, VANTAGE, VHDL - "Error: Configuration "cfg_beh" cannot be created because the library already has a configuration with the same name. (util/LBR/58)"

Description


Urgency: Hot



General Description:

Certain VHDL simulators (such as Viewlogic Vantage) do not allow the compilation of a VHDL configuration of a given name more than once in a library. Because (Xilinx Answer 6250) directs me to specify the VHDL models in the XilinxCoreLib library with wild cards, I encounter a problem when recompiling the same configuration; errors similar to the following are reported:



"VHDL Compiler, Release 6.202

Copyright (c) 1998, Viewlogic Systems, Inc.

Working library XILINXCORELIB "C:\Temp\Test7\xilinxcorelib.lib".

--

Compiling "C:\Temp\Test7\XilinxCoreLib\prims_sim_arch.vhd" line 1...

Compiled entity XILINXCORELIB.C_BUFT

--

Compiling "C:\Temp\Test7\XilinxCoreLib\prims_sim_arch.vhd" line 27...

a.C_BUFT.BEHAVIORAL.c

Compiled architecture XILINXCORELIB.C_BUFT(BEHAVIORAL)

--

Compiling "C:\Temp\Test7\XilinxCoreLib\prims_sim_arch.vhd" line 45...

Compiled configuration XILINXCORELIB.CFG_BEH of C_BUFT(BEHAVIORAL)

--

Compiling "C:\Temp\Test7\XilinxCoreLib\prims_sim_arch.vhd" line 50...

Compiled entity XILINXCORELIB.C_PULLUP

--

Compiling "C:\Temp\Test7\XilinxCoreLib\prims_sim_arch.vhd" line 65...

a.C_PULLUP.BEHAVIORAL.c

Compiled architecture XILINXCORELIB.C_PULLUP(BEHAVIORAL)

--

Compiling "C:\Temp\Test7\XilinxCoreLib\prims_sim_arch.vhd" line 72...

**Error: Cannot create configuration CFG_BEH in library "WORK"

(C:\Temp\Test7\xilinxcorelib.lib)

because configuration with the same name already exists.

(libAccess/127)

The existing configuration is associated with "C_BUFT BEHAVIORAL".

(libAccess/131)

**Error: Unable to create configuration WORK.CFG_BEH of

C_PULLUP(BEHAVIORAL). (compiler/driver/56)

--

5/6 design unit(s) compiled successfully.

Syntax summary: 0 error(s), 0 warning(s) found."



These errors are seen with PULLUP, BUFT and C_LUT models.



As the messages indicate, Vantage does not allow the compilation of configurations with the same name, although this is a perfectly valid task.

Solution

The "cfg_beh" configuration declarations for PULLUP, BUFT, and C_LUT are all located in the prims_sim_arch.vhd file. As they are actually empty declarations, simply deleting them from these models will prevent the errors.

AR# 7946
Date 07/28/2010
Status Archive
Type General Article

By using this website, I accept the use of cookies.   Learn more

Page Bookmarked