This is the book for writing a 64-bit RISC-V emulator from scratch in Rust. It shows us how to implement an emulator in 10 steps. You can run xv6, a simple Unix-like OS, in your emulator in the final step.
You'll learn the following basic computer architecture from making an emulator in Rust:
- Basic RISC-V architecture
- How to write code in Rust language
- Privilege levels
- Exceptions
- Interrupts
- Peripheral devices
- Virtual memory system
The source code is available at d0iasm/rvemu-for-book.
| Step | Content |
|---|---|
| Step 1 | Setup and Implement Two Instructions |
| Step 2 | RV64I Base Integer Instruction Set |
| Step 3 | Control and Status Registers |
| Step 4 | Privileged Instruction Set |
| Step 5 | Exceptions |
| Step 6 | PLIC (a platform-level interrupt controller) and CLINT (a core-local interrupter) |
| Step 7 | UART (a universal asynchronous receiver-transmitter) |
| Step 8 | Interrupts |
| Step 9 | Virtio |
| Step 10 | Virtual Memory System |
Congratulations🎉 Now you can run xv6 in your emulator!
The author is @d0iasm and please feel free to ask and request anything to me via Twitter or GitHub issues!
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