ASRV32

RISCV Processor in Verilog HDL. (Currently FSM based.)

File Descriptions:

• asrv32_soc.v: System-on-Chip (SoC) module that integrates the asrv32_core, ROM (for instruction memory), and RAM (for data memory).
• asrv32_core.v: Top-level module for the RV32I core.
• asrv32_fsm.v: Finite State Machine (FSM) controller managing the fetch, decode, execute, memory access, and writeback processes.
• asrv32_basereg.v: Interface for the register file of the 32 integer base registers.
• asrv32_decoder.v: Module responsible for decoding 32-bit instructions (Decode Stage).
• asrv32_alu.v: Arithmetic Logic Unit (ALU) handling arithmetic and logic operations (Execute Stage).
• asrv32_memoryaccess.v: Controller managing data memory access (Memory Access Stage).
• asrv32_writeback.v: Controller determining the next Program Counter (PC) and destination register (rd) values (Writeback Stage).
• asrv32_soc_TB.v: Testbench for the asrv32_soc module.

TODO

✅ FSM based Core and SoC Integration ✅ Add more testcases for the testbench
✅ Automate the testbench
✅ Passed RISV International's RV32UI User Interface Tests (40/40)
✅ Add CSR Module to support FreeRTOS
✅ Passed RISV International's RV32MI User Interface Tests (14/14) 🔲 Convert FSM based core implementation to pipeline
🔲 Add RV32 Extensions