TASKING TriCore v6.3r1 Qualified C Library v3.0r6
Release Note

This release note covers the important information with the release of the TASKING TriCore v6.3r1 Qualified C Library v3.0r6.

Reason For This Release

Functions from the boot software (startup code) and C library included with the TASKING TriCore v6.3r1 compiler toolset are frequently used in systems that must meet functional safety criteria, but this software is not qualified for such use. This TASKING TriCore v6.3r1 Qualified C Library v3.0r6 has been developed in accordance with the ISO 26262 SEooC lifecycle and meets the criteria for use in safety related software up to ASIL D. For the development of safety related software this Qualified C library should be used instead of the QM C library that comes with the compiler toolset.

Note: This release is the sixth incremental release, subsequent releases will contain additional qualified C library functions.

Scope

This release note covers the release of version v3.0r6 of the TASKING TriCore v6.3r1 Qualified C Library.

Contents

• Important Notices
• Installation Instructions
• Release Content
• How to use QClib with TC-VX v6.3r1
• Changes compared to previous release
• License Information

Important Notices

The Qualified C Library v3.0r6 is qualified for use with the TASKING VX-toolset for TriCore v6.3r1, including patches.

• This release is the next increment of the full Qualified C Library package.
• This release is intended to be used for production purposes.
• The delivery is intended for tc16x and tc162 cores only.

In TASKING VX-toolset for TriCore v6.3r1p4 function fesetexceptflag() has been moved from the C library to the runtime floating point library. See issue TCVX-44428 on the TASKING Issues Portal. If the function fesetexceptflag() is called and the software is compiled with a compiler version before v6.3r1p4 the call will result in an unresolved reference.

Installation Instructions

Following are the instructions for the installation of the Qualified C Library (QClib) Product:

• Make sure that you have a license key available.
• Choose the folder where you want to install the product.
• Follow the guidance provided by the setup program to install the QClib software on your computer.
• Apply the guidance provided in the User Guide to integrate the QClib software in you build environment.

Release Content

The Qualified C Library release contains the following:

• C-Start and Trap Handler facilities:
  The C-Start and Trap Handling software is provided in source code.
• ISO C Library facilities:
  The header files are provided in source format.
The libraries are provided in linkable archive format.
• Safety Manual:
  The safety manual provides usage guidance for use in safety related projects.
The safety manual is in pdf and in machine readable ReqIF format.
• User Manual:
  The user manual provides the usage guidance of the product(QClib).

How To Use QClib With TC-VX v6.3r1

Please refer to the provided user manual and safety manual of QClib.

Changes compared to the previous release

The following changes have been applied in comparison to the previous release.

• An updated user manual has been added to the doc folder of the product.
• An updated safety manual has been added to the doc folder of the product.
• Additional 12 functions from ISO C standard have been qualified.

License Information

TASKING products are protected with TASKING license management software.

License key

You need a license key when you install a TASKING product on a computer. When you order a TASKING product from TASKING or one of its distributors, a license key will be sent to you by email or on paper.