Kernel System

Design

Embedded Linux Development Service

Through our embedded Linux development services we create, customise, and optimise Linux-based solutions for your embedded software to achieve robust performance and functionality.

We build scalable embedded systems based on Android kernels to empower your products and services, whether you are in the automotive, industrial automation, video, or telecom industry.

Our Expertise

With 20 years of experience in embedded Linux development and early adoption of Android, we have a proven track record of delivering commercial projects on both platforms. Our team develops pre-built and customised solutions, optimising system performance, integrating drivers, peripherals, and protocols, and enabling seamless connectivity.

■ Embedded Linux

■ Embedded Android

What We Do

At Promwad, we provide a wide range of kernel engineering services to enhance your product's performance and reliability.

Board support package (BSP) development

Our embedded Android & Linux Board Support Packages (BSP) development includes:

Creation of BSP with boot loaders (U-Boot, custom).
Development of drivers, protocol stacks, and system interfaces.
Power-on self-test sequence development.
File system image creation.
Profiling and code optimisation.
Documentation development.
Contribution to mainline open-source projects.

With our Linux BSP development services, you secure a tailored foundation for your embedded operating systems, ensuring optimal performance.

Drivers and BSP development for Android

We provide Android BSP development (software modules or collections of modules) and driver design for different processor architectures. Our expertise lies in modifying and configuring the Android core software to ensure support for all features of a specific hardware platform.

Additionally, we customise the software environment for seamless integration with the associated hardware leveraging our extensive knowledge of Android board support packages.

Developing and porting middleware

We develop middleware, the linking software that connects different apps, systems and components, using technologies like XML, SOAP, web services, and service-oriented architecture.

Our team has experience in porting middleware into solutions within the following areas:

Streaming audio and video
Graphics libraries and app
User libraries
Open source software
Networking applications
Development tools
File system and flash utilities
Real-time tools

Assymetric multiprocessor processing (AMP)

We utilise asymmetric multiprocessing, where multiple operating systems run on a multi-core chip. One core runs Linux, managing data transfer, protocol support, and user interface access. The other core executes a real-time operating system (RTOS), handling real-time processes.

Linux device driver & kernel development

What we do within our Linux kernel and driver development services:

Develop drivers for x86, ARM, RISC-V, PowerPC, SPARC, and other processor architectures.
Build file systems from scratch and modify existing ones.
Сonfigure task scheduling and management system.
Build a networking stack.
Engineer-specific codes for low-level architecture.
Perform device tree configuration.
Set up memory management systems.
Develop framebuffer, V4L2, and USB interfaces.

We assist customers in adapting operating system kernels to hardware platforms and developing drivers for essential peripherals such as audio, graphics, RTC, NAND, sensors, data exchange, and power.

Optimisation

During our technical audit of Linux-based client systems, our team:

Identifies vulnerabilities and addresses them to enhance system security.
Reduces energy consumption and system start-up time.
Optimises processor performance for improved efficiency.
Enhances the operation of RAM, ROM, and flash memory to improve overall system performance.

Android kernel driver programming

We develop custom drivers for the Android kernel to simplify application integration and ensure hardware compatibility. Our services also include the following:

Integrating peripherals and off-the-shelf components.
Engineering and integrating hardware.
Designing user drivers and loaders.
Conducting testing and validation.
Implementing Android OS versions.
Developing custom Android ROM.
Assisting with migration to/from Android OS.

Linux system design

What we do within embedded Linux system design services:

Cloud integration
OTA updates
OS migration
IoT and embedded security implementation
Customisation of Linux distributions
GStreamer-based video and audio software solutions development

Chip Vendors We Collaborate With

We collaborate with leading chip vendors to offer cutting-edge solutions to our clients.

Our Tech Map in Kernel Programming

Builds ■ Bootloaders ■ Drivers ■ OTA ■ FPGA
AMP ■ Architectures ■ GUI ■ Other

Bootloader

Das U-Boot, Barebox, RedBoot, Coreboot, TianoCore, EDK II, EFIDroid, GNU GRUB, SPL, AT91Bootstrap

Linux for FPGA

Xilinx Microblaze, Zynq 7000, Zynq Ultrascale+, Intel (Altera) Nios2

Embedded Linux build systems and distros

Yocto Project, OpenEmbedded, Buildroot, PetaLinux, Debian, Isar, Ubuntu, Ubuntu for the Internet of Things, Arago, OpenWRT, ELBE, Android (AOSP), LTIB

Linux driver development

V4L2 (Video4Linux), Direct Rendering Infrastructure (DRI), Direct Rendering Manager (DRM), Kernel Mode Setting (KMS), Graphics Execution Manager (GEM), framebuffer (fbdev) | ALSA (Advanced Linux Sound Architecture) | SysFs (sys), ProcFs (proc), Misc device, UIO device | DMA, QDMA, XDMA, RAM, MMU, physical memory operations, page allocator, logical memory | Multiple device instances, PCIe & USB hardware devices, GPIO, SPI, I2C, UART (TTY), CAN, LIN hardware devices, Bluetooth and BLE, Wi-Fi hardware devices | SCSI subsystem (disk controller & block drives, logical file systems)

OTA

SWUpdate, RAUC, Mender, OSTree. Ethernet, network controllers & device drivers, network interface & protocols | HI peripherals device drivers, abstract devices and HID class drivers, HI systems, Kernel Crypto API | Energy model of device, power management, JESD204B.

AMP, Asymmetric Multiprocessing (Linux + RTOS/Linux + Bare metal) & Hypervisors

OpenAMP, OpenMCAPI, jailhouse, Xenomai, rpmsg, remoteproc, KVM, Xen

Directory service/Authentication/Authorization/Accounting

LDAP, RADIUS, TACACS, Diameter

RPC/IPC/Serialize/Deserialize

Protocol Buffers (Protobuf), gRPC (Remote Procedure Calls), REST API, JSON, XML, YAML, D-Bus, ZeroMQ, RabbitMQ

IoT/Cloud platforms

Amazon Web Services (AWS), Microsoft Azure, Google Cloud Platform, Bosch IoT, OpenRAN

Multimedia

HLS/DASH/multicast streaming, DVB, ATSC broadcasting, GStreamer, FFmpeg, OpenCV, libVLC , Qt QtMultimedia, ExoPlayer, OpenMax, Android MediaCodec API

Graphical user interfaces (GUI)

GTK+, Qt, QML, WxWidgets, Electron, Flutter, Android Studio, tkinter, Slint

MPU/SoC/CPU architecture

ARM, ARM 64, MIPS, IA-64, m68k, Nios II, OpenRISC, powerpc, RISC-V, s390, SuperH, Sparc, UltraSPARC, x86, Xtensa, LoongArch, ARC

We Work With

Startups

We assist startups in kernel driver and module programming by providing engineering teams to address specific challenges, fill resource gaps, and fasten their growth.

Enterprises

We leverage our expertise in automotive, telecom, and industrial automation to provide embedded Android & Linux kernel development services for businesses.

Tech Partners

We can be your reliable technology partner, creating Android & Linux kernel and device driver projects. Our team is ready to become an integral part of your project.

Industries We Serve

Telecom &
Networking

Digital TV &
Video Streaming

AI &
Computer Vision

Automotive

Industrial Automation &
Robotics

Healthcare &
MedTech

Surveillance &
Security Systems

Smart systems &
IoT

Why Promwad

One-stop shop

We cover the entire embedded kernel development lifecycle, from analysis to maintenance, ensuring continuous support to minimise downtime and address issues.

In-depth expertise

Our team employs their knowledge in kernel programming, protocol support, and real-time processing, ensuring compatibility with hardware platforms and enhancing system stability.

Customised solutions

Our team delivers tailored Android & Linux kernel embedded systems that meet your business needs and industry requirements, leveraging our 20 years of expertise in the field.

Our Engagement Models

Time & Material

– Payments for actual hours worked
– Regular reporting of time and results
– Regular communication with the team
– Connecting / disconnecting engineers on request
– Flexible development process

Dedicated Team

– Fixed monthly costs
– Custom-built team with specific competencies
– Fully dedicated engineering team
– Comprehensive IT infrastructure
– Max efficiency for complex projects

Project-Based

– Budget control
– Reduced risk
– Flexible resource allocation
– Clear scope
– Predictable timeline
– Quality control

Do you need a quote for your embedded kernel development?

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FAQ

How do you approach compatibility and customisation in Linux kernel programming?

We thoroughly analyse our client's hardware specifications and the overall functionality of the solution. Thus, we ensure the kernel is tailored to the specific hardware platform, optimising its performance and ensuring seamless integration into your infrastructure. We also consider your application’s specific needs, such as the use of UFS IP or edge AI development, to tailor the kernel's features and capabilities accordingly.

How can embedded kernel development enhance the performance of my Linux system?

Kernel plays a crucial role in enhancing the performance of your OS. By optimising the kernel configuration and fine-tuning various parameters, we can maximise resource utilisation, reduce latency, and improve overall system responsiveness. Through our extensive firmware design services, we can further enhance your system’s performance.

Additionally, we also leverage core-level optimisations, such as implementing efficient memory management, I/O scheduling algorithms, and power management techniques, to achieve optimal performance for your specific use case.

What level of support and maintenance do you provide for embedded Linux kernel development projects?

For our clients, we provide comprehensive support and maintenance services before and after the deployment stage. Our team ensures that your core software remains up-to-date with the latest security patches and bug fixes, minimising vulnerabilities and enhancing system stability.

How do you ensure scalability and reliability in Linux kernel module and device driver programming for large-scale deployments?

By carefully designing the system architecture, we ensure that it can accommodate increased workloads, handle concurrent processes, and scale seamlessly as your requirements grow.

We implement fault-tolerant mechanisms, such as redundancy and failover support, to enhance system reliability and minimise downtime. Additionally, our engineers test and optimise performance to identify bottlenecks that need to be “expanded" to guarantee the scalability and reliability of your solution.

What is the relationship between a kernel system and device drivers?

They are closely related components of an embedded OS:

The kernel is the core software that manages system resources, provides abstractions for hardware devices, and handles low-level operations.
Device drivers, however, are software components that facilitate communication between the operating system kernel and specific hardware devices. They enable the kernel to control and interact with various peripherals, such as network interfaces, storage devices, and input/output devices.

Proper integration of device drivers within the kernel system is crucial for seamless hardware functionality and efficient system operation.