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With a node-locked license, the compiler only has to parse the file to check that there is a valid license. With a floating license, the compiler has to check where the license is, send a message through the TCP/IP stacks over the network to the server, then wait for a response. When the compiler receives the response. Component: ARM Compiler 5.06 update 6 (build 750) Tool: ArmCC 4d3637 assembling startupstm32l052xx.s. Startupstm32l052xx.s: Error: A9555E: Failed to check out a license.LICENSE ERROR (R207(2): REGISTRY READ ERROR) startupstm32l052xx.s: startupstm32l052xx.s: Check that your license details are correct in the License Management dialog of MDK.
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Information in this knowledgebase article applies to:
- MDK-ARM v4.x and v5.x
- ARMCLANG standalone compiler toolchain v6.7, v6.7.1 and v6.8
- Keil single user node-lock license and Keil floating license
![Arm compiler license Arm compiler license](http://www.keil.com/support/man/docs/uv4/uv4_ca_armcompilers1.png)
SYMPTOM
After downloading the ARM Compiler (aka ARMCLANG) v6.7 or v6.8 standalone toolchain from developer.arm.com and importing into MDK installation folder, e.g. C:KeilARMARMCLANG_v6.8, the compiler toolchain always fails to find my valid MDK license, with error output as shown below:
CAUSE
The reason for this issue is due to that the folder structure of the ARMCLANG v6.7, v6.7.1 or v6.8 standalone toolchain downloaded from developer.arm.com is different from what MDK requires. After installing the standalone ARMCLANG toolchain armclang.exe cannot find the TOOLS.ini file from MDK, which contains necessary licensing information.
RESOLUTION
As a workaround solution, copy all *.exe files from your ARMCLANG installation folder: e.g.
C:Keil_v5ARMARMCLANG_v6.8libtt_defaultbin
to
C:Keil_v5ARMARMCLANG_v6.8bin
and replace all *.exe files.
C:Keil_v5ARMARMCLANG_v6.8libtt_defaultbin
to
C:Keil_v5ARMARMCLANG_v6.8bin
and replace all *.exe files.
STATUS
Note that this issue only affects the ARMCLANG standalone compiler toolchain v6.7, v6.7.1 and v6.8 from developer.arm.com, when Keil single user node-lock license or Keil FLF-based floating license is used.
Version that do NOT have this issue:
- The built-in ARMCLANG compiler toolchain v6.7 and v6.8 inside MDK
- ARMCLANG compiler toolchain versions 6.9 and later - all the exe files are already in the /bin folder
- CoFlex floating license users.
MORE INFORMATION
- Refer to Application Note 267
- Refer to Manage ARM Compiler Versions in the µVision User's Guide.
![Armcc Compiler License Armcc Compiler License](/uploads/1/2/6/3/126340241/480632847.png)
SEE ALSO
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The following Discussion Forum threads may provide information related to this topic.
Last Reviewed: Monday, May 14, 2018
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Document History. Issue, Date, Confidentiality, Change. A, May , Non- Confidential, Release for RVCT v Release for µVision. B, December , Non-. Non-Confidential PDF versionARM DUIH ARM® Compiler v for µVision ® armcc User GuideVersion 5Home > Compiler Command-line Options. looking up the “rvct compiler user guide” it mentions using ldr /adr /adrl instructions to get the label’s address,and I try these instructions in.
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