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#!/usr/bin/env python3
# Copyright (c) 2021 Arm Limited. All rights reserved.
# SPDX-License-Identifier: Apache-2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import os
import subprocess
import shutil
import multiprocessing
import logging
import sys
from argparse import ArgumentParser
from set_up_default_resources import set_up_resources, \
get_default_npu_config_from_name, \
valid_npu_config_names, \
default_npu_config_names
def run(toolchain: str,
download_resources: bool,
run_vela_on_models: bool,
npu_config_name: str):
"""
Run the helpers scripts.
Parameters:
----------
toolchain (str) : Specifies if 'gnu' or 'arm' toolchain needs to be used.
download_resources (bool): Specifies if 'Download resources' step is performed.
run_vela_on_models (bool): Only if `download_resources` is True, specifies if run vela on downloaded models.
npu_config_name(str) : Ethos-U NPU configuration name. See "valid_npu_config_names"
"""
current_file_dir = os.path.dirname(os.path.abspath(__file__))
# 1. Make sure the toolchain is supported, and set the right one here
supported_toolchain_ids = ["gnu", "arm"]
assert (toolchain in supported_toolchain_ids,
f"Toolchain must be from {supported_toolchain_ids}")
if toolchain == "arm":
toolchain_file_name = "bare-metal-armclang.cmake"
elif toolchain == "gnu":
toolchain_file_name = "bare-metal-gcc.cmake"
# 2. Download models if specified
if download_resources is True:
logging.info("Downloading resources.")
set_up_resources(run_vela_on_models=run_vela_on_models,
additional_npu_config_names=[npu_config_name])
# 3. Build default configuration
logging.info("Building default configuration.")
target_platform = "mps3"
target_subsystem = "sse-300"
ethos_u_cfg = get_default_npu_config_from_name(npu_config_name)
build_dir = os.path.join(current_file_dir,
f"cmake-build-{target_platform}-{target_subsystem}-{npu_config_name}-{toolchain}")
try:
os.mkdir(build_dir)
except FileExistsError:
# Directory already exists, clean it
for filename in os.listdir(build_dir):
filepath = os.path.join(build_dir, filename)
try:
if os.path.isfile(filepath) or os.path.islink(filepath):
os.unlink(filepath)
elif os.path.isdir(filepath):
shutil.rmtree(filepath)
except Exception as e:
logging.error('Failed to delete %s. Reason: %s' % (filepath, e))
os.chdir(build_dir)
cmake_toolchain_file = os.path.join(current_file_dir, "scripts", "cmake",
"toolchains", toolchain_file_name)
cmake_command = (f"cmake .. -DTARGET_PLATFORM={target_platform}" +
f" -DTARGET_SUBSYSTEM={target_subsystem}" +
f" -DCMAKE_TOOLCHAIN_FILE={cmake_toolchain_file}" +
f" -DETHOS_U_NPU_ID={ethos_u_cfg.ethos_u_npu_id}" +
f" -DETHOS_U_NPU_CONFIG_ID={ethos_u_cfg.ethos_u_config_id}")
logging.info(cmake_command)
state = subprocess.run(cmake_command, shell=True, stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
logging.info(state.stdout.decode('utf-8'))
make_command = f"make -j{multiprocessing.cpu_count()}"
logging.info(make_command)
state = subprocess.run(make_command, shell=True, stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
logging.info(state.stdout.decode('utf-8'))
if __name__ == '__main__':
parser = ArgumentParser()
parser.add_argument("--toolchain", default="gnu",
help="""
Specify the toolchain to use (Arm or GNU).
Options are [gnu, arm]; default is gnu.
""")
parser.add_argument("--skip-download",
help="Do not download resources: models and test vectors",
action="store_true")
parser.add_argument("--skip-vela",
help="Do not run Vela optimizer on downloaded models.",
action="store_true")
parser.add_argument("--npu-config-name",
help=f"""Arm Ethos-U configuration to build for. Choose from:
{valid_npu_config_names}""",
default=default_npu_config_names[0])
args = parser.parse_args()
logging.basicConfig(filename='log_build_default.log', level=logging.DEBUG,
filemode='w')
logging.getLogger().addHandler(logging.StreamHandler(sys.stdout))
run(args.toolchain.lower(),
not args.skip_download,
not args.skip_vela,
args.npu_config_name)
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