152 lines
4.7 KiB
Python
152 lines
4.7 KiB
Python
#!/usr/bin/env python3
|
|
#
|
|
# This file is part of the MicroPython project, http://micropython.org/
|
|
#
|
|
# The MIT License (MIT)
|
|
#
|
|
# Copyright (c) 2022 Andrew Leech
|
|
# Copyright (c) 2022 Jim Mussared
|
|
#
|
|
# Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
# of this software and associated documentation files (the "Software"), to deal
|
|
# in the Software without restriction, including without limitation the rights
|
|
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
# copies of the Software, and to permit persons to whom the Software is
|
|
# furnished to do so, subject to the following conditions:
|
|
#
|
|
# The above copyright notice and this permission notice shall be included in
|
|
# all copies or substantial portions of the Software.
|
|
#
|
|
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
# THE SOFTWARE.
|
|
|
|
from __future__ import print_function
|
|
import os
|
|
import re
|
|
import stat
|
|
import subprocess
|
|
|
|
NATIVE_ARCHS = {
|
|
"NATIVE_ARCH_NONE": "",
|
|
"NATIVE_ARCH_X86": "x86",
|
|
"NATIVE_ARCH_X64": "x64",
|
|
"NATIVE_ARCH_ARMV6": "armv6",
|
|
"NATIVE_ARCH_ARMV6M": "armv6m",
|
|
"NATIVE_ARCH_ARMV7M": "armv7m",
|
|
"NATIVE_ARCH_ARMV7EM": "armv7em",
|
|
"NATIVE_ARCH_ARMV7EMSP": "armv7emsp",
|
|
"NATIVE_ARCH_ARMV7EMDP": "armv7emdp",
|
|
"NATIVE_ARCH_XTENSA": "xtensa",
|
|
"NATIVE_ARCH_XTENSAWIN": "xtensawin",
|
|
}
|
|
|
|
globals().update(NATIVE_ARCHS)
|
|
|
|
__all__ = ["version", "compile", "run", "CrossCompileError"] + list(NATIVE_ARCHS.keys())
|
|
|
|
|
|
class CrossCompileError(Exception):
|
|
pass
|
|
|
|
|
|
_VERSION_RE = re.compile("mpy-cross emitting mpy v([0-9]+)(?:.([0-9]+))?")
|
|
|
|
|
|
def _find_mpy_cross_binary(mpy_cross):
|
|
if mpy_cross:
|
|
return mpy_cross
|
|
return os.path.abspath(os.path.join(os.path.dirname(__file__), "../build/mpy-cross"))
|
|
|
|
|
|
def mpy_version(mpy_cross=None):
|
|
"""
|
|
Get the version and sub-version of the .mpy file format generated by this version of mpy-cross.
|
|
|
|
Returns: A tuple of `(mpy_version, mpy_sub_version)`
|
|
Optional keyword arguments:
|
|
- mpy_cross: Specific mpy-cross binary to use
|
|
"""
|
|
version_info = run(["--version"], mpy_cross=mpy_cross)
|
|
match = re.search(_VERSION_RE, version_info)
|
|
mpy_version, mpy_sub_version = int(match.group(1)), int(match.group(2) or "0")
|
|
return (
|
|
mpy_version,
|
|
mpy_sub_version,
|
|
)
|
|
|
|
|
|
def compile(src, dest=None, src_path=None, opt=None, march=None, mpy_cross=None, extra_args=None):
|
|
"""
|
|
Compile the specified .py file with mpy-cross.
|
|
|
|
Returns: Standard output from mpy-cross as a string.
|
|
|
|
Required arguments:
|
|
- src: The path to the .py file
|
|
|
|
Optional keyword arguments:
|
|
- dest: The output .mpy file. Defaults to `src` (with .mpy extension)
|
|
- src_path: The path to embed in the .mpy file (defaults to `src`)
|
|
- opt: Optimisation level (0-3, default 0)
|
|
- march: One of the `NATIVE_ARCH_*` constants (defaults to NATIVE_ARCH_NONE)
|
|
- mpy_cross: Specific mpy-cross binary to use
|
|
- extra_args: Additional arguments to pass to mpy-cross (e.g. `["-X", "emit=native"]`)
|
|
"""
|
|
if not src:
|
|
raise ValueError("src is required")
|
|
if not os.path.exists(src):
|
|
raise CrossCompileError("Input .py file not found: {}.".format(src_py))
|
|
|
|
args = []
|
|
|
|
if src_path:
|
|
args += ["-s", src_path]
|
|
|
|
if dest:
|
|
args += ["-o", dest]
|
|
|
|
if march:
|
|
args += ["-march=" + march]
|
|
|
|
if opt is not None:
|
|
args += ["-O{}".format(opt)]
|
|
|
|
if extra_args:
|
|
args += extra_args
|
|
|
|
args += [src]
|
|
|
|
run(args, mpy_cross)
|
|
|
|
|
|
def run(args, mpy_cross=None):
|
|
"""
|
|
Run mpy-cross with the specified command line arguments.
|
|
Prefer to use `compile()` instead.
|
|
|
|
Returns: Standard output from mpy-cross as a string.
|
|
|
|
Optional keyword arguments:
|
|
- mpy_cross: Specific mpy-cross binary to use
|
|
"""
|
|
mpy_cross = _find_mpy_cross_binary(mpy_cross)
|
|
|
|
if not os.path.exists(mpy_cross):
|
|
raise CrossCompileError("mpy-cross binary not found at {}.".format(mpy_cross))
|
|
|
|
try:
|
|
st = os.stat(mpy_cross)
|
|
os.chmod(mpy_cross, st.st_mode | stat.S_IEXEC)
|
|
except OSError:
|
|
pass
|
|
|
|
try:
|
|
return subprocess.check_output([mpy_cross] + args, stderr=subprocess.STDOUT).decode()
|
|
except subprocess.CalledProcessError as er:
|
|
raise CrossCompileError(er.output.decode())
|