mini-rv32ima
zpugcc
| mini-rv32ima | zpugcc | |
|---|---|---|
| 16 | 1 | |
| 1,509 | 3 | |
| - | - | |
| 6.7 | 10.0 | |
| 18 days ago | over 2 years ago | |
| C | C | |
| MIT License | - |
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mini-rv32ima
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Driver hack lets you run Linux after Windows BSODs, no reboot required
It does emulate RiscV that runs Linux, so why not call it a Linux emulator?
Though https://github.com/cnlohr/mini-rv32ima is indeed impressively small. Here's the dispatch switch-case: https://github.com/cnlohr/mini-rv32ima/blob/eeeaaa0609558c84...
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I boot Linux 6.1 on atmega328p
Yes you read it correctly. This is not April Joke. This is real Linux 6.1 running on real atmega328p clocked at 16MHz. Basically it's an optimized version of mini-rv32ima running on Arduino UNO with SD card swap. The entire code is written in C99.
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Writing a Really Tiny RISC-V Emulator: rv32ima/Zifencei+Zicsr... sort of
repo:
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Fun, or pure magic: RISC-V rv32ima emulator running busybox linux
git clone https://github.com/cnlohr/mini-rv32ima.git cd mini-rv32ima/ git reset --hard f5154edc2894c2624361ef26ad8c3e6ebd23dea3 # workaround for now make testdlimage
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Zylin ZPU: The worlds smallest 32 bit CPU with GCC toolchain
Not GP, but this might scratch your itch https://github.com/cnlohr/mini-rv32ima
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RVVM – The RISC-V Virtual Machine
So is this, even more so in my taste:
https://github.com/cnlohr/mini-rv32ima/blob/master/mini-rv32...
A RISC-V emulator in one include file.
- Making an emulator: Questions
- Open-source RISC-V simulator suggestions?
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Embedded Systems Weekly #129
Writing a Really Tiny RISC-V Emulator It's maybe the tiniest RISC-V emulator around. It is all in one unique function of ~400 lines, but it can run Linux and various executables on it. The tiny C header-only risc-v emulator code is on Github with everything needed to make it run yourself. It's a really impressive work which deserves to be highlighted,
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I got Linux running INSIDE of Team Fortress 2!
riscv-vscript is a port of mini-rv32ima to VScript (Squirrel3) that:
zpugcc
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Zylin ZPU: The worlds smallest 32 bit CPU with GCC toolchain
Yes, exactly, the gcc port is a very old version, and the build process frequently breaks on more modern systems. I did fork it [0] and apply a couple of fixes a year or so back, but I seem the be the only one who cares now, and even I don't care enough to pour large amounts of time into it!
[0] https://github.com/robinsonb5/zpugcc
What are some alternatives?
8086tiny - 8086tiny interpreter by Adrian Cable, taken from http://www.megalith.co.uk/8086tiny/
minimax - Minimax: a Compressed-First, Microcoded RISC-V CPU
pinwheel - A tiny RISC-V processor for hard-real-time FPGA-based applications.
Ripes - A graphical processor simulator and assembly editor for the RISC-V ISA
ZPUFlex - A highly-configurable and compact variant of the ZPU processor core
whisper
EightThirtyTwo - An experimental CPU core with 8-bit instruction words and 32-bit registers
riscv-vm - A Small RISC-V Virtual Machine
RVVM - The RISC-V Virtual Machine