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AR# 42508

Licensing - What search order and locations does xlicmgr (used for CORE Generator and IP Core licensing) employ in looking for a license?

Description

When searching for an IP core license, where does the license manager search?In what order are the license locations searched?

For the software tools license search order, see (Xilinx Answer 42507).

Solution

In ISE Design Suite 11.1 and later,xlicmgr will look for FLEX licenses for IP featuresin the locations and order listed in the following table.

Order

Windows Location

Linux Location

1

All the places listed by the environment variable XILINXD_LICENSE_FILE, if set.

All the places listed by the environment variable XILINXD_LICENSE_FILE, if set.

2

All the places listed by the environment variable LM_LICENSE_FILE, if set.

All the places listed by the environment variable LM_LICENSE_FILE, if set.

3

Location cached for XILINXD_LICENSE_FILE in the registry

Location cached for XILINXD_LICENSE_FILE in $HOME/.flexlmrc

4

%HOMEDRIVE%\.Xilinx\*.lic

$HOME/.Xilinx/*.lic

5

%HOMEDRIVE%\.Xilinx\Coregen\CoreLicenses\*.lic

$HOME/.Xilinx/Coregen/CoreLicenses/*.lic

6

%XILINX_EDK%\data\core_licenses

$XILINX_EDK/data/core_licenses

7

%XILINX%\coregen\core_licenses

$XILINX/coregen/core_licenses

  • The location of %HOMEDRIVE%\.xilinx on a Windows Operating Systems this is typically C:\.xilinx
  • The entries in the environment variables may be files, directories, and/or PORT@HOST values.
  • Directories will be searched for *.lic
  • Licenses found in the same directory will are searched in alphabetical order.
  • License features within a single file will be searched in the order in which they appear in a license file.


    Note:
    Search order does notnecessarily determine which license will be used first when there are multiple licenses for the same feature.See (Xilinx Answer 44024)for the rules of license precedence.

  • Linked Answer Records

    Associated Answer Records

    AR# 42508
    Date Created 11/15/2011
    Last Updated 01/22/2013
    Status Active
    Type General Article
    Tools
    • ISE
    • Vivado
    • PlanAhead
    • EDK