Figure 1. Bare-Metal Software Development Stack
The bare-metal stack key components include:
- Software drivers for peripherals including core routines needed for using the Arm® Cortex®-A72, and the Cortex-R5F processors in the PS, and MicroBlaze™ processors in the PL.
- Bare-metal drivers for PS peripherals and optional PL peripherals.
- Standard C libraries: libc and libm, based on the open source Newlib library, ported to the Cortex-A72, Cortex-R5F, and the MicroBlaze processors.
- Embedded Libraries:
- LwIP 211
- Describes the SDK
port of the third party networking library, Light Weight IP (lwIP) for
embedded processors.
Note: This library is not available on Versal AI Edge Series Gen 2 and Versal Prime Series Gen 2 devices.
- XilFFS
- XilFFS is a generic FAT file system that is primarily added for use with SD/eMMC driver. The file system is open source and a glue layer is implemented to link it to the SD/eMMC driver.
- XilSecure
- Provides APIs to access secure hardware. See
Versal Security Libraries User Guide (UG1540).Note: This manual requires an active NDA to download from the Design Security Lounge.
- XilNVM
- Provide APIs for programming and reading eFUSE bits and
for programming the battery-backed RAM (BBRAM). See Versal Security Libraries User Guide (UG1540)
for more information. Note: This manual requires an active NDA to download from the Design Security Lounge.
- XilPUF
- Provides APIs for provisioning and regenerating Physical
Unclonable Function (PUF) Key Encryption Key (KEK) and Unique ID. See
Versal Security Libraries User Guide (UG1540) for more
information. Note: This manual requires an active NDA to download from the Design Security Lounge.
- XilMailbox
- Provides APIs for IPI communication from various libraries such as XilSecure, XilNVM, and XilPUF, to the PLM.
- XilPM
- The power management framework is a set of power management options, based upon an implementation of the extensible energy management interface (EEMI).
- XilFPGA
- Provides an interface to the Linux or bare-metal users for configuring the PL over PCAP from PS. The library is designed to run on top of AMD standalone BSPs.
- XilSEM
- The AMD Soft Error Mitigation (XilSEM) library is a pre-configured, pre-verified solution to detect and optionally correct soft errors in Configuration Memory.
- Additional middleware libraries that provide networking, file system, and encryption support.
- Application examples include test applications.