RISC-V Toolchain Usage

Assembler and Disassembler

This is the whole content of test.asm

addi x1, x0, 0x1 # I-Imm
sw   x1, 2(x0)   # S-Imm
beq  x1, x0, 0x4 # B-Imm
auipc x1, 0x1000 # U-Imm
jal   x1, 0x8    # J-Imm

Use riscv64-unknown-elf-as to compile it to binary code.

riscv64-unknown-elf-as -march=rv32i test.asm -o test.out

Then use riscv64-unknown-elf-objdump to dump the binary code.

riscv64-unknown-elf-objdump -d test.out

Question: Can you explain how the instructions are encoded according to the output of riscv64-unknown-elf-objdump? Or does the output match your imagination?