Jupiter
RISC-V Assembler & Runtime Simulator
Jupiter is an open source and education-oriented RISC-V assembler and runtime simulator. It is written in Java and capable of simulate all the instructions of the base integer ISA (I extension) plus the M and F extensions (RV32IMF), including all the pseudo-instructions described in the user-level instruction set manual. It was developed taking into account that it could be used in various courses such as: Computer Architecture, Compilers and Assembly Programming.
Main Features
User Friendly: Jupiter was designed focused on education and for all the people that are getting to know the RISC-V architecture. It places for priority the user experience. Jupiter has two modes of operation (Command Line Interface and Graphical User Interface) and both of these were developed to be intuitive and easy to use.
Modularity: Jupiter can assemble and simulate several files at once, not everything has to be one file of 1,000 lines of code. Simply indicate by a global label what is the main starting point of the program. This permits modularity and enables the creation of projects and laboratories more easily.
Cross-platform: Jupiter is available for Linux (Ubuntu), macOS and Windows.
Screenshots
Why this name, Jupiter ?
Traditionally other simulators of this type have used planet names, for example the famous educational simulator for the MIPS architecture MARS or the Berkeley's web-based simulator Venus. The name Jupiter was chosen because of this traditional reasons and also because this planet represents in some sort the number 5 (is the fifth planet from the Sun and the largest in the Solar System), in contrast with RISC-V that is the 5th generation of the ISA originally designed in the 90's.
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