Lk

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lk, also known as The Little Kernel, is an SMP-aware embedded operating system kernel. It is designed for small systems and is portable to various platforms and CPU architectures, notably used as a bootloader for Android phones.

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At a glance

Pricing

Open Source

Free tier

Yes

API

Skill level

Technical

About

What is lk?

The Little Kernel (lk) is an SMP-aware embedded operating system kernel engineered for small systems. It boasts high portability, supporting a wide array of 32 and 64-bit CPU architectures including ARM32, ARM64, RISC-V, x86, Motorola 68000, MIPS, OpenRISC 1000, and even experimental VAX support. LK features a fully re-entrant, multi-threaded, and preemptive kernel, alongside a powerful modular build system. It includes a large number of utility components selectable at build time, making it adaptable for diverse open-source and closed-source projects, particularly as a bootloader in many Android phones.

Best used for

Ideal for developers who need to create highly efficient embedded operating systems, port kernels to diverse hardware, and build robust bootloaders for devices like Android phones. Especially valuable for projects requiring a flexible, SMP-aware kernel with extensive architecture support and a modular build system.

Common actions

develop embedded systems

port operating systems

build bootloaders

manage kernel development

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Capabilities

Key features

SMP-aware kernel
Multi-threaded preemptive kernel
Modular build system
Supports multiple CPU architectures
Utility components selectable
Command completion

Target Audience

developer

Integrations

Not yet documented

Pricing & Plans

Open Source

Free

FAQs

What CPU architectures does LK support?

LK supports a wide range of 32 and 64-bit architectures, including ARM32 (Cortex-M, Cortex-A), ARM64 (ARMv8, ARMv9), RISC-V (32/64bit), x86-32, x86-64, Motorola 68000, MIPS, OpenRISC 1000, and experimental VAX support.

Is LK suitable for commercial projects?

Yes, LK is used in a variety of open source and closed source projects. Its MIT license allows for flexible use in commercial products, notably as a bootloader for many Android phones.

How can I enable tab completion for LK projects?

You can enable tab completion for LK projects and common build targets by sourcing the `scripts/completion.sh` script in your Bash or Zsh shell session. This can be added to your `~/.bashrc` or `~/.zshrc` for automatic enablement.

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