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Bare-Metal Programming

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May 1, 2024 Updated May 11, 2025 18 minute read

Bare-metal programming involves writing software that interacts directly with a system's hardware, without the intermediation of an operating system (OS). This means the code you write has full and direct control over the processor, memory, and peripherals. Think of it as speaking directly to the machinery in its own language, rather than going through a translator (the OS). For those new to the concept, imagine building with LEGOs; bare-metal programming is like connecting bricks directly to each other to create a structure, whereas programming with an OS is like having a pre-built chassis and instructions on how to add or modify components.

Path to Bare-Metal Programming

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Reading list

We've selected 12 books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in Bare-Metal Programming.
Provides a foundational understanding of operating system concepts relevant to bare-metal programming, including topics such as processes, memory management, and scheduling.
This classic textbook provides a comprehensive overview of computer architecture, covering topics such as instruction set architecture, pipelining, and memory hierarchies. It provides a solid foundation for understanding the hardware aspects relevant to bare-metal programming.
Provides a comprehensive introduction to digital design and computer architecture, covering topics such as logic gates, sequential circuits, and microprocessors. It lays the foundation for understanding the hardware-software interface relevant to bare-metal programming.
Comprehensive guide to the Rust programming language, covering its syntax, semantics, and features. It is especially relevant for those interested in using Rust for bare-metal programming due to its focus on safety and low-level control.
Provides a comprehensive overview of ARM assembly language, including topics such as instruction encoding, addressing modes, and debugging. It is especially relevant for those interested in bare-metal programming for ARM-based microcontrollers.
Provides an in-depth look at modern processor design, including topics such as superscalar execution, out-of-order execution, and cache hierarchies. It is especially relevant for those interested in understanding the hardware architecture and performance implications for bare-metal programming.
Provides a comprehensive overview of embedded systems architecture, including topics such as embedded processor selection, memory management, and interfacing with external devices. It is especially relevant for those interested in understanding the overall design considerations for bare-metal embedded systems.
Provides a comprehensive overview of real-time concepts for embedded systems, including topics such as scheduling, concurrency, and communication. It is especially relevant for those interested in understanding the challenges and techniques involved in bare-metal programming for real-time systems.
Practical guide to programming AVR microcontrollers using the Make tool. It is especially relevant for those interested in getting started with bare-metal programming for embedded systems.
Provides a comprehensive overview of programming embedded systems using C and the GNU development tools. It is especially relevant for those interested in learning the basics of bare-metal programming.
Comprehensive overview of embedded systems design, including topics such as embedded hardware, software development, and system integration. It is especially relevant for those interested in understanding the broader context of bare-metal programming within embedded systems design.
Provides a comprehensive overview of the TinyOS operating system for embedded systems. It is especially relevant for those interested in using TinyOS for bare-metal programming of wireless sensor networks.
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