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Phil Mulholland

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Phil Mulholland

A Deep Dive into Low-Level Hardware Access with C: Examples for RISC-V

A step-by-step approach withhands-on examples for mastering the art of low-level programming in C for RISC-V machines.

22 min readMar 20, 2023

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A Deep Dive into Low-Level Hardware Access with C: Examples for RISC-V

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Phil Mulholland

Nitpicking a Dumb Machine, the Imaginative Coding of ChatGPT.

My attempt at using ChatGPT to code was not a success, but it’s attempted solutions were imaginative.

3 min readDec 12, 2022

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Nitpicking a Dumb Machine, the Imaginative Coding of ChatGPT.

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Phil Mulholland

Coding in C for MCUs: Sort Structs to Save Code Size

Exploring the Impact of Hardware Architecture on Code

5 min readFeb 18, 2022

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Coding in C for MCUs: Sort Structs to Save Code Size

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Phil Mulholland

Things to Think About When Doing Low-Level Embedded Systems Development.

What are the foundations of designing and implementing low-level software that interacts with real-world systems?

7 min readAug 19, 2021

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国立西洋美術館、あれそんなの関係ねぇ

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Phil Mulholland

RISC-V: A Baremetal Introduction using C++. Conclusion.

This is the last post in the series.

3 min readJun 25, 2021

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RISC-V: A Baremetal Introduction using C++. Conclusion.

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Phil Mulholland

RISC-V: A Baremetal Introduction using C++. Interrupt Handling.

This is the seventh post in a series. This post is about RISC-V interrupt handling in C++.

5 min readJun 13, 2021

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RISC-V: A Baremetal Introduction using C++. Interrupt Handling.

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Phil Mulholland

RISC-V: A Bare-metal Introduction using C++. Machine Mode Timer.

This is the sixth post in a series, about the RISC-V machine mode timer and timing keeping using the C++ std::chrono library.

4 min readJun 7, 2021

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Phil Mulholland

RISC-V: A Baremetal Introduction using C++. System Registers.

This is the fifth post in a series.

4 min readJun 7, 2021

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Phil Mulholland

Modern C++ for Bare-metal RISC-V — Zero to Blink. Part 3, Startup.

4 min readMay 29, 2021

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From here https://commons.wikimedia.org/wiki/File:Linux_boot_screen_compact.png

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Phil Mulholland

Modern C++ for Bare-metal RISC-V — Zero to Blink. Part 3, Development Environment

4 min readMay 23, 2021

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Modern C++ for Bare-metal RISC-V — Zero to Blink. Part 3, Development Environment

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Phil Mulholland

Phil Mulholland

Experienced in Distributed Systems, Event-Driven Systems, Firmware for SoC/MCU, Systems Simulation, Network Monitoring and Analysis, Automated Testing and RTL.

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