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litex/litex_setup.py

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Python
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#!/usr/bin/env python3
import os
import sys
import subprocess
import shutil
import hashlib
from collections import OrderedDict
import urllib.request
current_path = os.path.abspath(os.curdir)
# Check location (is litex_setup.py executed inside a cloned LiteX repository or alongside?)
if os.path.exists(".gitignore"):
current_path = os.path.join(current_path, "../")
# Repositories -------------------------------------------------------------------------------------
# Get SHA1: git rev-parse HEAD
# Name, (URL, Recursive clone, Develop, SHA1)
repos = [
# HDL
("migen", ("https://github.com/m-labs/", True, True, None)),
("nmigen", ("https://github.com/nmigen/", True, True, None)),
# LiteX SoC builder
("pythondata-software-picolibc", ("https://github.com/litex-hub/", True, True, None)),
("pythondata-software-compiler_rt", ("https://github.com/litex-hub/", False, True, None)),
("litex", ("https://github.com/enjoy-digital/", False, True, None)),
# LiteX cores ecosystem
("liteeth", ("https://github.com/enjoy-digital/", False, True, None)),
("litedram", ("https://github.com/enjoy-digital/", False, True, None)),
("litepcie", ("https://github.com/enjoy-digital/", False, True, None)),
("litesata", ("https://github.com/enjoy-digital/", False, True, None)),
("litesdcard", ("https://github.com/enjoy-digital/", False, True, None)),
("liteiclink", ("https://github.com/enjoy-digital/", False, True, None)),
("litevideo", ("https://github.com/enjoy-digital/", False, True, None)),
("litescope", ("https://github.com/enjoy-digital/", False, True, None)),
("litejesd204b", ("https://github.com/enjoy-digital/", False, True, None)),
("litespi", ("https://github.com/litex-hub/", False, True, None)),
("litehyperbus", ("https://github.com/litex-hub/", False, True, None)),
# LiteX boards support
("litex-boards", ("https://github.com/litex-hub/", False, True, None)),
# Optional LiteX data
("pythondata-misc-tapcfg", ("https://github.com/litex-hub/", False, True, None)),
("pythondata-misc-opentitan", ("https://github.com/litex-hub/", False, True, 0xe43566c)),
("pythondata-misc-usb_ohci", ("https://github.com/litex-hub/", False, True, None)),
("pythondata-cpu-lm32", ("https://github.com/litex-hub/", False, True, None)),
("pythondata-cpu-mor1kx", ("https://github.com/litex-hub/", False, True, None)),
("pythondata-cpu-picorv32", ("https://github.com/litex-hub/", False, True, None)),
("pythondata-cpu-serv", ("https://github.com/litex-hub/", False, True, None)),
("pythondata-cpu-vexriscv", ("https://github.com/litex-hub/", False, True, None)),
("pythondata-cpu-vexriscv-smp",("https://github.com/litex-hub/", True, True, None)),
("pythondata-cpu-rocket", ("https://github.com/litex-hub/", False, True, None)),
("pythondata-cpu-minerva", ("https://github.com/litex-hub/", False, True, None)),
("pythondata-cpu-microwatt", ("https://github.com/litex-hub/", False, True, 0xf9807b6)),
("pythondata-cpu-blackparrot", ("https://github.com/litex-hub/", False, True, None)),
("pythondata-cpu-cv32e40p", ("https://github.com/litex-hub/", True, True, None)),
]
repos = OrderedDict(repos)
# RISC-V toolchain download ------------------------------------------------------------------------
# TODO: Update.
def sifive_riscv_download():
base_url = "https://static.dev.sifive.com/dev-tools/"
base_file = "riscv64-unknown-elf-gcc-8.3.0-2019.08.0-x86_64-"
# Windows
if (sys.platform.startswith("win") or sys.platform.startswith("cygwin")):
end_file = "w64-mingw32.zip"
# Linux
elif sys.platform.startswith("linux"):
end_file = "linux-ubuntu14.tar.gz"
# Mac OS
elif sys.platform.startswith("darwin"):
end_file = "apple-darwin.tar.gz"
else:
raise NotImplementedError(sys.platform)
fn = base_file + end_file
if not os.path.exists(fn):
url = base_url + fn
print("Downloading", url, "to", fn)
urllib.request.urlretrieve(url, fn)
else:
print("Using existing file", fn)
print("Extracting", fn)
shutil.unpack_archive(fn)
# PowerPC toolchain download -----------------------------------------------------------------------
# TODO
# Link: https://toolchains.bootlin.com/downloads/releases/toolchains/powerpc64le-power8/tarballs/powerpc64le-power8--musl--stable-2020.08-1.tar.bz2
# LM32 toolchain download --------------------------------------------------------------------------
# TODO
# OpenRisc toolchain download ----------------------------------------------------------------------
# TODO
# Link: https://toolchains.bootlin.com/downloads/releases/toolchains/openrisc/tarballs/openrisc--musl--stable-2020.08-1.tar.bz2
# Setup --------------------------------------------------------------------------------------------
if len(sys.argv) < 2:
print("Available commands:")
print("- init")
print("- update")
print("- install (add --user to install to user directory)")
print("- gcc")
print("- dev (dev mode, disable automatic litex_setup.py update)")
exit()
# Check/Update litex_setup.py
litex_setup_url = "https://raw.githubusercontent.com/enjoy-digital/litex/master/litex_setup.py"
current_sha1 = hashlib.sha1(open(os.path.realpath(__file__)).read().encode("utf-8")).hexdigest()
print("[checking litex_setup.py]...")
try:
import requests
r = requests.get(litex_setup_url)
if r.status_code != 404:
upstream_sha1 = hashlib.sha1(r.content).hexdigest()
if current_sha1 != upstream_sha1:
if "dev" not in sys.argv[1:]:
print("[updating litex_setup.py]...")
with open(os.path.realpath(__file__), "wb") as f:
f.write(r.content)
os.execl(sys.executable, sys.executable, *sys.argv)
except:
pass
# Repositories cloning
if "init" in sys.argv[1:]:
for name in repos.keys():
os.chdir(os.path.join(current_path))
if not os.path.exists(name):
url, need_recursive, need_develop, sha1 = repos[name]
# clone repo (recursive if needed)
print("[cloning " + name + "]...")
full_url = url + name
opts = "--recursive" if need_recursive else ""
subprocess.check_call("git clone " + full_url + " " + opts, shell=True)
if sha1 is not None:
os.chdir(os.path.join(current_path, name))
os.system("git checkout {:07x}".format(sha1))
# Repositories update
if "update" in sys.argv[1:]:
for name in repos.keys():
os.chdir(os.path.join(current_path))
url, need_recursive, need_develop, sha1 = repos[name]
print(url)
if not os.path.exists(name):
raise Exception("{} not initialized, please (re)-run init and install first.".format(name))
# update
print("[updating " + name + "]...")
os.chdir(os.path.join(current_path, name))
subprocess.check_call("git checkout master", shell=True)
subprocess.check_call("git pull --ff-only", shell=True)
if need_recursive:
subprocess.check_call("git submodule update --init --recursive", shell=True)
if sha1 is not None:
os.chdir(os.path.join(current_path, name))
os.system("git checkout {:07x}".format(sha1))
# Repositories installation
if "install" in sys.argv[1:]:
for name in repos.keys():
os.chdir(os.path.join(current_path))
url, need_recursive, need_develop, sha1 = repos[name]
# develop if needed
print("[installing " + name + "]...")
if need_develop:
os.chdir(os.path.join(current_path, name))
if "--user" in sys.argv[1:]:
subprocess.check_call("python3 setup.py develop --user", shell=True)
else:
subprocess.check_call("python3 setup.py develop", shell=True)
if "--user" in sys.argv[1:]:
if ".local/bin" not in os.environ.get("PATH", ""):
print("Make sure that ~/.local/bin is in your PATH")
print("export PATH=$PATH:~/.local/bin")
# RISC-V GCC installation
if "gcc" in sys.argv[1:]:
os.chdir(os.path.join(current_path))
sifive_riscv_download()
if "riscv64" not in os.environ.get("PATH", ""):
print("Make sure that the downloaded RISC-V compiler is in your $PATH.")
print("export PATH=$PATH:$(echo $PWD/riscv64-*/bin/)")
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