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376 lines
12 KiB
376 lines
12 KiB
#! /usr/bin/env python2
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# Copyright (c) 2009-2015, 2017, The Linux Foundation. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the name of The Linux Foundation nor
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# the names of its contributors may be used to endorse or promote
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# products derived from this software without specific prior written
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# permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# Build the kernel for all targets using the Android build environment.
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from collections import namedtuple
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import glob
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from optparse import OptionParser
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import os
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import re
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import shutil
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import subprocess
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import sys
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import threading
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import Queue
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version = 'build-all.py, version 1.99'
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build_dir = '../all-kernels'
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make_command = ["vmlinux", "modules", "dtbs"]
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all_options = {}
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compile64 = os.environ.get('CROSS_COMPILE64')
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clang_bin = os.environ.get('CLANG_BIN')
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def error(msg):
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sys.stderr.write("error: %s\n" % msg)
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def fail(msg):
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"""Fail with a user-printed message"""
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error(msg)
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sys.exit(1)
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if not os.environ.get('CROSS_COMPILE'):
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fail("CROSS_COMPILE must be set in the environment")
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def check_kernel():
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"""Ensure that PWD is a kernel directory"""
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if not os.path.isfile('MAINTAINERS'):
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fail("This doesn't seem to be a kernel dir")
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def check_build():
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"""Ensure that the build directory is present."""
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if not os.path.isdir(build_dir):
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try:
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os.makedirs(build_dir)
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except OSError as exc:
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if exc.errno == errno.EEXIST:
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pass
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else:
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raise
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failed_targets = []
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BuildResult = namedtuple('BuildResult', ['status', 'messages'])
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class BuildSequence(namedtuple('BuildSequence', ['log_name', 'short_name', 'steps'])):
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def set_width(self, width):
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self.width = width
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def __enter__(self):
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self.log = open(self.log_name, 'w')
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def __exit__(self, type, value, traceback):
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self.log.close()
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def run(self):
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self.status = None
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messages = ["Building: " + self.short_name]
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def printer(line):
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text = "[%-*s] %s" % (self.width, self.short_name, line)
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messages.append(text)
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self.log.write(text)
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self.log.write('\n')
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for step in self.steps:
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st = step.run(printer)
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if st:
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self.status = BuildResult(self.short_name, messages)
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break
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if not self.status:
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self.status = BuildResult(None, messages)
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class BuildTracker:
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"""Manages all of the steps necessary to perform a build. The
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build consists of one or more sequences of steps. The different
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sequences can be processed independently, while the steps within a
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sequence must be done in order."""
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def __init__(self, parallel_builds):
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self.sequence = []
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self.lock = threading.Lock()
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self.parallel_builds = parallel_builds
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def add_sequence(self, log_name, short_name, steps):
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self.sequence.append(BuildSequence(log_name, short_name, steps))
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def longest_name(self):
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longest = 0
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for seq in self.sequence:
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longest = max(longest, len(seq.short_name))
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return longest
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def __repr__(self):
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return "BuildTracker(%s)" % self.sequence
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def run_child(self, seq):
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seq.set_width(self.longest)
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tok = self.build_tokens.get()
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with self.lock:
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print "Building:", seq.short_name
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with seq:
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seq.run()
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self.results.put(seq.status)
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self.build_tokens.put(tok)
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def run(self):
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self.longest = self.longest_name()
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self.results = Queue.Queue()
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children = []
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errors = []
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self.build_tokens = Queue.Queue()
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nthreads = self.parallel_builds
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print "Building with", nthreads, "threads"
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for i in range(nthreads):
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self.build_tokens.put(True)
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for seq in self.sequence:
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child = threading.Thread(target=self.run_child, args=[seq])
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children.append(child)
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child.start()
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for child in children:
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stats = self.results.get()
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if all_options.verbose:
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with self.lock:
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for line in stats.messages:
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print line
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sys.stdout.flush()
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if stats.status:
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errors.append(stats.status)
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for child in children:
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child.join()
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if errors:
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fail("\n ".join(["Failed targets:"] + errors))
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class PrintStep:
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"""A step that just prints a message"""
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def __init__(self, message):
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self.message = message
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def run(self, outp):
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outp(self.message)
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class MkdirStep:
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"""A step that makes a directory"""
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def __init__(self, direc):
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self.direc = direc
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def run(self, outp):
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outp("mkdir %s" % self.direc)
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os.mkdir(self.direc)
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class RmtreeStep:
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def __init__(self, direc):
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self.direc = direc
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def run(self, outp):
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outp("rmtree %s" % self.direc)
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shutil.rmtree(self.direc, ignore_errors=True)
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class CopyfileStep:
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def __init__(self, src, dest):
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self.src = src
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self.dest = dest
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def run(self, outp):
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outp("cp %s %s" % (self.src, self.dest))
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shutil.copyfile(self.src, self.dest)
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class ExecStep:
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def __init__(self, cmd, **kwargs):
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self.cmd = cmd
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self.kwargs = kwargs
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def run(self, outp):
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outp("exec: %s" % (" ".join(self.cmd),))
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with open('/dev/null', 'r') as devnull:
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proc = subprocess.Popen(self.cmd, stdin=devnull,
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stdout=subprocess.PIPE,
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stderr=subprocess.STDOUT,
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**self.kwargs)
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stdout = proc.stdout
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while True:
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line = stdout.readline()
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if not line:
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break
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line = line.rstrip('\n')
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outp(line)
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result = proc.wait()
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if result != 0:
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return ('error', result)
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else:
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return None
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class Builder():
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def __init__(self, name, defconfig):
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self.name = name
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self.defconfig = defconfig
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self.confname = re.sub('arch/arm[64]*/configs/', '', self.defconfig)
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# Determine if this is a 64-bit target based on the location
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# of the defconfig.
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self.make_env = os.environ.copy()
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if "/arm64/" in defconfig:
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if compile64:
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self.make_env['CROSS_COMPILE'] = compile64
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else:
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fail("Attempting to build 64-bit, without setting CROSS_COMPILE64")
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self.make_env['ARCH'] = 'arm64'
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else:
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self.make_env['ARCH'] = 'arm'
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self.make_env['KCONFIG_NOTIMESTAMP'] = 'true'
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self.log_name = "%s/log-%s.log" % (build_dir, self.name)
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def build(self):
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steps = []
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dest_dir = os.path.join(build_dir, self.name)
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log_name = "%s/log-%s.log" % (build_dir, self.name)
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steps.append(PrintStep('Building %s in %s log %s' %
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(self.name, dest_dir, log_name)))
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if not os.path.isdir(dest_dir):
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steps.append(MkdirStep(dest_dir))
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defconfig = self.defconfig
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dotconfig = '%s/.config' % dest_dir
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savedefconfig = '%s/defconfig' % dest_dir
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staging_dir = 'install_staging'
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modi_dir = '%s' % staging_dir
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hdri_dir = '%s/usr' % staging_dir
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steps.append(RmtreeStep(os.path.join(dest_dir, staging_dir)))
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steps.append(ExecStep(['make', 'O=%s' % dest_dir,
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self.confname], env=self.make_env))
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# Build targets can be dependent upon the completion of
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# previous build targets, so build them one at a time.
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cmd_line = ['make',
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'INSTALL_HDR_PATH=%s' % hdri_dir,
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'INSTALL_MOD_PATH=%s' % modi_dir,
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'O=%s' % dest_dir,
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'REAL_CC=%s' % clang_bin]
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build_targets = []
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for c in make_command:
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if re.match(r'^-{1,2}\w', c):
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cmd_line.append(c)
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else:
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build_targets.append(c)
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for t in build_targets:
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steps.append(ExecStep(cmd_line + [t], env=self.make_env))
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return steps
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def scan_configs():
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"""Get the full list of defconfigs appropriate for this tree."""
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names = []
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for defconfig in glob.glob('arch/arm*/configs/vendor/*_defconfig'):
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target = os.path.basename(defconfig)[:-10]
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name = target + "-llvm"
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if 'arch/arm64' in defconfig:
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name = name + "-64"
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names.append(Builder(name, defconfig))
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return names
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def build_many(targets):
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print "Building %d target(s)" % len(targets)
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# To try and make up for the link phase being serial, try to do
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# two full builds in parallel. Don't do too many because lots of
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# parallel builds tends to use up available memory rather quickly.
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parallel = 2
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if all_options.jobs and all_options.jobs > 1:
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j = max(all_options.jobs / parallel, 2)
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make_command.append("-j" + str(j))
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tracker = BuildTracker(parallel)
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for target in targets:
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steps = target.build()
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tracker.add_sequence(target.log_name, target.name, steps)
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tracker.run()
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def main():
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global make_command
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check_kernel()
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check_build()
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configs = scan_configs()
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usage = ("""
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%prog [options] all -- Build all targets
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%prog [options] target target ... -- List specific targets
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""")
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parser = OptionParser(usage=usage, version=version)
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parser.add_option('--list', action='store_true',
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dest='list',
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help='List available targets')
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parser.add_option('-v', '--verbose', action='store_true',
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dest='verbose',
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help='Output to stdout in addition to log file')
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parser.add_option('-j', '--jobs', type='int', dest="jobs",
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help="Number of simultaneous jobs")
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parser.add_option('-l', '--load-average', type='int',
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dest='load_average',
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help="Don't start multiple jobs unless load is below LOAD_AVERAGE")
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parser.add_option('-k', '--keep-going', action='store_true',
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dest='keep_going', default=False,
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help="Keep building other targets if a target fails")
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parser.add_option('-m', '--make-target', action='append',
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help='Build the indicated make target (default: %s)' %
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' '.join(make_command))
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(options, args) = parser.parse_args()
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global all_options
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all_options = options
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if options.list:
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print "Available targets:"
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for target in configs:
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print " %s" % target.name
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sys.exit(0)
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if options.make_target:
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make_command = options.make_target
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if args == ['all']:
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build_many(configs)
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elif len(args) > 0:
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all_configs = {}
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for t in configs:
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all_configs[t.name] = t
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targets = []
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for t in args:
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if t not in all_configs:
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parser.error("Target '%s' not one of %s" % (t, all_configs.keys()))
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targets.append(all_configs[t])
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build_many(targets)
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else:
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parser.error("Must specify a target to build, or 'all'")
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if __name__ == "__main__":
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main()
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