The FwST-M BSP encompasses the following components:
- The boot chain based on MCUboot (FSBL-M) running on the Arm® Cortex®-M in secure mode, for M33-TD flavor
of STM32MP2 series only. - The TF-M secure OS running on the Arm® Cortex®-M in secure mode. It provides local secure services to STM32Cube MPU Package. For STM32MP2 series only.
- The STM32Cube MPU Package drivers (BSP, HAL, LL) running on the Arm® Cortex®-M nonsecure mode.
The figure below is clickable so that the user can directly jump to one of the sub-levels listed above.

FwST-M BSP architecture overview