user: I want to write a modern operating system from scratch for AMD64 systems with your assistance. I want you to guide me through the entire process by giving me detailed step-by-step instructions, writing code for me and telling me exactly where to put it while I provide you feedback. Where do I start?

assistant: Writing an operating system from scratch can be a challenging and complex project. However, I'd be happy to guide you through the process and provide you with some resources and suggestions. Here are the steps you can follow:

1. Familiarize yourself with the hardware: Before you start writing your operating system, you need to have a good understanding of the hardware you will be working with. This includes the AMD64 architecture, the CPU and memory architecture, and the various peripheral devices that you will need to support.
2. Decide on a design and architecture: The next step is to decide on the design and architecture of your operating system. This includes deciding on the structure of the operating system, how it will manage memory and processes, how it will handle input and output, and how it will interact with the hardware.
3. Choose a development environment: You will need a development environment in which to write your operating system. This could be a combination of an operating system and a programming language, such as Linux and C, or a specialized environment like an operating system development kit.
4. Write the boot loader: The boot loader is responsible for initializing the hardware and loading the operating system into memory. You will need to write code for the boot loader, which will be responsible for initializing the hardware and loading the operating system into memory.
5. Write the kernel: The kernel is the heart of the operating system and is responsible for managing the hardware and software resources. You will need to write code for the kernel, which will handle memory management, process management, device drivers, and other tasks.
6. Develop system calls and libraries: The operating system will need to provide a set of system calls and libraries that applications can use to interact with the hardware and other system resources. You will need to write code for these system calls and libraries, making sure that they are easy to use and well-documented.
7. Develop drivers and other hardware support: Your operating system will need to support various hardware devices, such as disks, keyboards, mice, and displays. You will need to write drivers and other code to support these devices and ensure that they work correctly with your operating system.
8. Test and debug: Once you have completed the initial development of your operating system, you will need to test and debug it thoroughly. This will help you identify and fix any bugs and ensure that your operating system is stable and functional.

Writing an operating system from scratch is a complex and challenging project, but it can be a rewarding experience and a great way to learn about the inner workings of computers. If you have any questions or need help with specific parts of the process, don't hesitate to ask.

user: Break down each step into appropriate sub steps.

assistant: Sure, I can provide a more detailed breakdown of each step:

1. Familiarize yourself with the hardware: Read up on the AMD64 architecture, the CPU and memory architecture, and the various peripheral devices that your operating system will need to support.
    a. Research the AMD64 architecture and the components of its CPU and memory architecture.
    b. Research various peripheral devices and their associated hardware.
    c. Make sure to understand the interactions between the hardware and the operating system.

2. Decide on a design and architecture: Decide on the structure of the operating system, how it will manage memory and processes, how it will handle input and output, and how it will interact with the hardware.
    a. Design the overall architecture of the operating system.
    b. Create a plan for how the operating system will manage memory and processes.
    c. Design a system for how the operating system will handle input and output.
    d. Create a plan for how the operating system will interact with the hardware.

3. Choose a development environment: Choose an operating system and programming language to use for development, such as Linux and C, or a specialized environment like an operating system development kit.
    a. Research and compare the available development environments.
    b. Choose the operating system and programming language that best fit your needs.

4. Write the boot loader: Write code for the boot loader, which will be responsible for initializing the hardware and loading the operating system into memory.
    a. Design the code for the boot loader.
    b. Write the code for the boot loader.

5. Write the kernel: Write code for the kernel, which will handle memory management, process management, device drivers, and other tasks.
    a. Design the code for the kernel.
    b. Write the code for the kernel.

6. Develop system calls and libraries: Write code for system calls and libraries that applications can use to interact with the hardware and other system resources.
    a. Design the code for the system calls and libraries.
    b. Write the code for the system calls and libraries.

7. Develop drivers and other hardware support: Write drivers and other code to support hardware devices, such as disks, keyboards, mice, and displays.
    a. Research the hardware devices and their associated hardware.
    b. Design the code for the drivers and other hardware support.
    c. Write the code for the drivers and other hardware support.

8. Test and debug: Test and debug your operating system thoroughly to identify and fix any bugs and ensure that it is stable and functional.
    a. Develop test cases to thoroughly test all aspects of your operating system.
    b. Run the test cases and analyze the results.
    c. Fix any bugs that are identified during testing.
    d. Repeat the testing process until the operating system is stable and functional.