# Build content Source: [https://docs.qualcomm.com/doc/80-88500-2/topic/Build-content.html](https://docs.qualcomm.com/doc/80-88500-2/topic/Build-content.html) The system software consists of software executables that are listed in the following table. Each of the software executables listed in the table is generated by executing a corresponding software build command within the software build environment. Table : List of software images | Software image | Description | | :---: | :---: | | ADSP.HT | Software for the application digital signal processor (ADSP) inside the low-power
AI (LPAI) subsystem. Used for audio and voice, sensors, power management integrated
circuit (PMIC) (that is, battery charger), always-on (AON) camera, and AI
processor. | | AOP.HO | Software for the always on processor (AOP), a hardware-based resource, and power
management (RPMh) subsystem with hardware accelerators for voltage control and
regulation, clock management, and resource communication. | | BOOT.XF | Software for system boot from power-up to high-level operating system (HLOS)
handoff. This package includes source code as well as unified extensible firmware
interface (UEFI) and extensible boot loader (XBL) binaries. | | BTFM.HST | Bluetooth® firmware for QCA6391/QCN9074. The Bluetooth firmware runs on its own core inside QCA6391/QCN9074. Supports advanced 2 x 2 connectivity chipset supporting Wi-Fi 6E and Bluetooth 5.3 features for mobile, computing, and augmented reality (AR)/virtual reality (VR) devices. | | CDSP.HT | Software for the compute DSP (cDSP) subsystem. This subsystem is dedicated for compute applications and ensures improved image processing, FastCV, camera streaming, and machine learning. | | CVP.VPU | Firmware for engine for video analytics (EVA) hardware accelerator. This subsystem is dedicated for enabling computer vision use cases on SoC. | | LU.UM | A Linux Ubuntu (LU) execution environment based on Yocto that runs as a trusted virtual machine (VM) within the Hypervisor. | | LE.UM | A Linux Embedded (LE) execution environment follows the Yocto build system
structure and is used in embedded applications. | | NPU.FW | Software for the neuro processing unit (NPU) subsystem. This subsystem performs processing for machine learning applications. | | SLPI.HY | Software for the sensor low power island (SLPI) subsystem. This subsystem performs acquisition and processing of external sensor data. | | SPSS.A1 | Software for the secure processing unit subsystem, an independent processor subsystem and boot chain for hardened security applications. | | TZ.APPS | Software for TrustZone-trusted apps. Provides security services, such as image loading, authentication, cache management, crypto, logging, and Qualcomm fuse-programmable read-only memory (QFPROM) to TrustZone secure applications. Also provides a set of GlobalPlatform-compliant APIs. | | TZ.XF | Software for the TrustZone board support package (BSP) with the following features:
| | VIDEO.VPU | Firmware for VPU hardware accelerator to enable video use cases for the
SoC. | | WIGIG.TLN | 802.11ad firmware software to support 60 GHz Wi-Fi Products. This
package includes 11ad firmware binary (wil6210.fw) as well source code brd files (RF
calibration parameters), XML files that list supported commands and address
space. | | WLAN.IOE | Software stack that supports standard Wi-Fi connectivity and long range Wi-Fi features. | **Parent Topic:** [Build overview](https://docs.qualcomm.com/doc/80-88500-2/topic/Build-software-environment.html) Last Published: Aug 18, 2023 [Previous Topic Build overview](https://docs.qualcomm.com/bundle/publicresource/80-88500-2/topics/Build-software-environment.md) [Next Topic Build environment](https://docs.qualcomm.com/bundle/publicresource/80-88500-2/topics/Set-up-software-build-environment.md)