1. Select the non-secure CM33 project, open the Options dialog, and go to

    General Options > 32-bit

    .



    Select:

    • FPU

      : VFPv5 single precision

    • DSP Extension

      : selected

    • Mode

      : Secure

  2. Switch to

    Linker > Output

    tab, and verify that the

    TrustZone import library

    is set.



  3. Click

    OK

    to close the Options dialog.

  4. Save the project and build it using

    Project > Make

    on the main menu, and this generates the library file.