RISC-V ISA学习者寻求类MARS的RISC-V汇编代码模拟器

Absolutely! If you’re familiar with MARS for MIPS and want a comparable experience for learning RISC-V assembly, there are several excellent tools tailored for education and debugging. Here are my top picks:

• RARS (RISC-V Assembler and Runtime Simulator)
  This is hands-down the closest alternative to MARS. Built specifically for teaching, it features a clean, intuitive GUI that lets you write, assemble, and debug RISC-V code step by step. You can real-time monitor register values, memory contents, and even simulate basic I/O (like console output). It supports both 32-bit (RV32I) and 64-bit (RV64I) base instruction sets, plus common extensions. Getting started is a breeze—just download the JAR file and run it with Java, no complicated setup required.

• RISC-V SPIM
  If you liked SPIM for MIPS, this is its RISC-V equivalent. It’s a text-based simulator but packs all the core debugging features you’d expect: set breakpoints, single-step through instructions, and inspect registers/memory. It’s lightweight and ideal for quick tests of small assembly programs, though it lacks the GUI of MARS or RARS. You can run it from the command line with simple commands like spim -file your_program.s.

• Venus
  Venus is a web-based RISC-V simulator, so you don’t need to install anything—just fire up your browser and start coding. It has a split interface: one pane for writing assembly, another for tracking registers and memory changes. It supports step-by-step debugging, and you can easily share your code with peers via a link. It’s perfect for learning on the go without local tool setup.

• QEMU (RISC-V Support)
  QEMU is a more powerful full-system emulator, great if you want to simulate a complete RISC-V environment (including operating systems). While it’s less beginner-focused than the tools above, it’s useful for testing more complex programs that interact with system hardware. To run a bare-metal assembly program, you’d compile it into an ELF executable and use a command like qemu-system-riscv32 -kernel your_program.elf.

内容的提问来源于stack exchange，提问作者hypergamer003