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Building the Bootrom

A project log for Raspberry Pi Pico Emulator

Live-coding an Open-Source Pico Emulator from Scratch

uri-shakedUri Shaked 01/26/2021 at 13:450 Comments

After digging a bit into the RP2040 datasheet, it seems like we might also need to take a look at the bootrom. Fortunately, the full source code is available on GitHub

There's no documentation how to build it, but it turns out it's pretty straightforward. Here are the complete instructions for building the RP2040 bootrom from source:

  1.  Install dependencies: 
    sudo apt install cmake gcc-arm-none-eabi
  2. Checkout the repository:

    git clone https://github.com/raspberrypi/pico-bootrom
  3.  Build it!

    cd pico-bootrom
    git submodule update --init
    mkdir build
    cd build
    cmake ..
    make -j4 

Enjoy :-)

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