c_soft/make_riscv.py

import os
import sys
import time





CC="riscv64-unknown-elf-gcc"
OBJCPY="riscv64-unknown-elf-objcopy"
OBJDUMP="riscv64-unknown-elf-objdump"

CFLAG=[
  "-march=rv32i",
  "-mabi=ilp32",
  "-ffunction-sections",
  "-fdata-sections",
  "-ffast-math",
  "-fno-common",
  "-fno-builtin-printf",
  "-Wall",
  "-Werror",
  "-g",
  "-O0",
  "-fno-omit-frame-pointer",
  "-msave-restore"
]

SRC=[
  "riscv/main.c",
  "riscv/start.S"
]

LD_FILE="riscv.ld"

TARGET="riscv"

if __name__ == "__main__":
  os.system(f"{CC} {' '.join(CFLAG)} {' '.join(SRC)} -T{LD_FILE} -Wall -Wextra -nostartfiles -Wl,-Map,\"{TARGET}.map\" -o {TARGET}.elf")
  os.system(f"{OBJCPY} -O binary {TARGET}.elf {TARGET}.bin")
  os.system(f"{OBJDUMP} -d {TARGET}.elf > {TARGET}.lst")