SYS/BIOS GA Release Notes


SYS/BIOS is a GA of SYS/BIOS. CCS users must use CCSv8.0.0 or higher.

Please read the SYS/BIOS User’s Guide for help installing and setting up your environment to use SYS/BIOS


The following documentation is provided with this release. These documents are also available via the CCS Eclipse help table of contents.

License and manifest.

Additional online sources of documentation.

Release notes from previous releases are also available in the release notes archive directory.

What’s New

SYS/BIOS GA Release (this release).

Defects Fixed in SYS/BIOS GA (Fixes since SYS/BIOS 6.73.01):

JIRA Issue ID Summary
SYSBIOS-789 Provide default implementation of Mmu_initFunc for v8a.Mmu module
SYSBIOS-782 Task_setPri() should return Int
SYSBIOS-778 Cannot set BIOS.cpuFreq in .cfg file for MSP432P411*
SYSBIOS-757 Add size and performance benchmarks for Cortex-A53
SYSBIOS-754 Add examples for Cortex-A53
SYSBIOS-727 Support for C11 aligned_alloc() and changes to memory.c in TI C RTS library
SYSBIOS-724 m3Hwi ROV should show current type (Dispatched vs Zero-Latency)
SYSBIOS-723 Add vector table info to M3 Hwi ROV instance views to highlight potential rogue ISRs
SYSBIOS-716 Timer Mapping table is missing from resource explorer
SYSBIOS-713 Generate “Application size” benchmarks for R5F
SYSBIOS-704 Add Seconds_setTime() API to support more accuracy (and POSIX clock_settime())
SYSBIOS-701 Add ROV support for new/changed modules of Cortex R5 for Keystone3
SYSBIOS-451 Add Cortex-R4 benchmarks to SYS/BIOS

Upgrade and Compatibility Information

SYS/BIOS 6.73, 6.70, 6.55, 6.53, 6.52, 6.51, 6.50, 6.46 and 6.45

Migrating GCC Projects Built with SYS/BIOS v6.50 or older to SYS/BIOS v6.52

Host Support

Supported Operating Systems:


Minimum Required Software Versions:

Required Hardware

Device Support

Click here for the list of supported devices.

Validation Information

Click here for the list of compilers used to build and validate this release (scroll down to Supported Targets section).

Known Issues


For a full description of Benchmarks please see the appendices in the SYS/BIOS 6 User’s Guide.


All releases have 4 digits ( This includes GA and pre-releases (engineering, alpha/EA, beta, etc.). Pre-releases are denoted with a suffix (e.g. or

This product’s version follows a version format,, where M is a single digit Major number, mm is 2 digit minor number, pp is a 2 digit patch number, and bb is an unrestricted set of digits used as an incrementing build counter.

To support multiple side-by-side installations of the product, the product version is encoded in the top level directory (e.g. bios_6_30_00_00).

Subsequent releases of patch upgrades will be identified by the patch number, ex. SYS/BIOS with directory bios_6_30_01_15. Typically, these patches only include critical bug fixes.

Please note that version numbers and compatibility keys are NOT the same. For an explanation of compatibility keys, please refer to the Upgrade and Compatibility Information section.

Technical Support and Product Updates

Last updated: November 21, 2018 Build Ver: