scripts: snapshot of kernel build utility scripts
This is a snapshot of build scripts taken as of msm-4.19 commit <3fc21416733e696> (Merge "ARM: dts: msm: Add dpdm regulator on kona"). Change-Id: I3a60f8563227de4e6f59d5abcca7c8edd2c8c12f Signed-off-by: Raghavendra Rao Ananta <rananta@codeaurora.org>
This commit is contained in:
Raghavendra Rao Ananta
parent
a2a31f1ddc
commit
e8c5065313
6
Makefile
6
Makefile
@ -407,7 +407,7 @@ KBUILD_HOSTLDLIBS := $(HOST_LFS_LIBS) $(HOSTLDLIBS)
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# Make variables (CC, etc...)
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AS = $(CROSS_COMPILE)as
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LD = $(CROSS_COMPILE)ld
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CC = $(CROSS_COMPILE)gcc
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REAL_CC = $(CROSS_COMPILE)gcc
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CPP = $(CC) -E
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AR = $(CROSS_COMPILE)ar
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NM = $(CROSS_COMPILE)nm
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@ -426,6 +426,10 @@ PYTHON2 = python2
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PYTHON3 = python3
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CHECK = sparse
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# Use the wrapper for the compiler. This wrapper scans for new
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# warnings and causes the build to stop upon encountering them
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CC = $(srctree)/scripts/gcc-wrapper.py $(REAL_CC)
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CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \
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-Wbitwise -Wno-return-void -Wno-unknown-attribute $(CF)
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NOSTDINC_FLAGS :=
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357
scripts/build-all.py
Executable file
357
scripts/build-all.py
Executable file
@ -0,0 +1,357 @@
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#! /usr/bin/env python2
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# SPDX-License-Identifier: GPL-2.0-only
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# Copyright (c) 2009-2015, 2017-19, The Linux Foundation. All rights reserved.
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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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"""
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Get the full list of defconfigs appropriate for this tree,
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except for gki_defconfig.
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"""
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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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if 'gki' == target:
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continue
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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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58
scripts/check-config-debug-exemptions
Normal file
58
scripts/check-config-debug-exemptions
Normal file
@ -0,0 +1,58 @@
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CP15_BARRIER_EMULATION
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DEVKMEM
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DEVMEM
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HID_A4TECH
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HID_ACRUX
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HID_BELKIN
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HID_CHERRY
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HID_CHICONY
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HID_CYPRESS
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HID_DRAGONRISE
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HID_EMS_FF
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HID_EZKEY
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HID_GREENASIA
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HID_GYRATION
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HID_HOLTEK
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HID_KENSINGTON
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HID_KEYTOUCH
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HID_KYE
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HID_LCPOWER
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HID_LOGITECH
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HID_MONTEREY
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HID_NTRIG
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HID_ORTEK
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HID_PANTHERLORD
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HID_PETALYNX
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HID_PICOLCD
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HID_PRIMAX
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HID_PRODIKEYS
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HID_ROCCAT
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HID_SAITEK
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HID_SAMSUNG
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HID_SMARTJOYPLUS
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HID_SONY
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HID_SPEEDLINK
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HID_SUNPLUS
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HID_THRUSTMASTER
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HID_TIVO
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HID_TOPSEED
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HID_TWINHAN
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HID_UCLOGIC
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HID_WACOM
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HID_WALTOP
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HID_WIIMOTE
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HID_ZEROPLUS
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HID_ZYDACRON
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JOYSTICK_XPAD_FF
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JOYSTICK_XPAD_LEDS
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KSM
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MODULES
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PSTORE
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SETEND_EMULATION
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TABLET_USB_ACECAD
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TABLET_USB_AIPTEK
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TABLET_USB_GTCO
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TABLET_USB_HANWANG
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TABLET_USB_KBTAB
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USB_CONFIGFS
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USB_OTG_WAKELOCK
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61
scripts/check-config-perf-exemptions
Normal file
61
scripts/check-config-perf-exemptions
Normal file
@ -0,0 +1,61 @@
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CGROUP_DEBUG
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CP15_BARRIER_EMULATION
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DEVKMEM
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DEVMEM
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HID_A4TECH
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HID_ACRUX
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HID_BELKIN
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HID_CHERRY
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HID_CHICONY
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HID_CYPRESS
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HID_DRAGONRISE
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HID_EMS_FF
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HID_EZKEY
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HID_GREENASIA
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HID_GYRATION
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HID_HOLTEK
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HID_KENSINGTON
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HID_KEYTOUCH
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HID_KYE
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HID_LCPOWER
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HID_LOGITECH
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HID_MONTEREY
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HID_NTRIG
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HID_ORTEK
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HID_PANTHERLORD
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HID_PETALYNX
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HID_PICOLCD
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HID_PRIMAX
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HID_PRODIKEYS
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HID_ROCCAT
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HID_SAITEK
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HID_SAMSUNG
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HID_SMARTJOYPLUS
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HID_SONY
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HID_SPEEDLINK
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HID_SUNPLUS
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HID_THRUSTMASTER
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HID_TIVO
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HID_TOPSEED
|
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HID_TWINHAN
|
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HID_UCLOGIC
|
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HID_WACOM
|
||||
HID_WALTOP
|
||||
HID_WIIMOTE
|
||||
HID_ZEROPLUS
|
||||
HID_ZYDACRON
|
||||
JOYSTICK_XPAD_FF
|
||||
JOYSTICK_XPAD_LEDS
|
||||
KSM
|
||||
MODULES
|
||||
PM_DEBUG
|
||||
PSTORE
|
||||
SETEND_EMULATION
|
||||
SUSPEND_TIME
|
||||
TABLET_USB_ACECAD
|
||||
TABLET_USB_AIPTEK
|
||||
TABLET_USB_GTCO
|
||||
TABLET_USB_HANWANG
|
||||
TABLET_USB_KBTAB
|
||||
USB_CONFIGFS
|
||||
USB_OTG_WAKELOCK
|
||||
124
scripts/check-config.py
Executable file
124
scripts/check-config.py
Executable file
@ -0,0 +1,124 @@
|
||||
#! /usr/bin/env python
|
||||
# SPDX-License-Identifier: GPL-2.0-only
|
||||
|
||||
# Copyright (c) 2015, 2018 The Linux Foundation. All rights reserved.
|
||||
|
||||
"""
|
||||
Android kernel configuration validator.
|
||||
|
||||
The Android kernel reference trees contain some config stubs of
|
||||
configuration options that are required for Android to function
|
||||
correctly, and additional ones that are recommended.
|
||||
|
||||
This script can help compare these base configs with the ".config"
|
||||
output of the compiler to determine if the proper configs are defined.
|
||||
"""
|
||||
|
||||
from collections import namedtuple
|
||||
from optparse import OptionParser
|
||||
import re
|
||||
import sys
|
||||
|
||||
version = "check-config.py, version 0.0.1"
|
||||
|
||||
req_re = re.compile(r'''^CONFIG_(.*)=(.*)$''')
|
||||
forb_re = re.compile(r'''^# CONFIG_(.*) is not set$''')
|
||||
comment_re = re.compile(r'''^(#.*|)$''')
|
||||
|
||||
Enabled = namedtuple('Enabled', ['name', 'value'])
|
||||
Disabled = namedtuple('Disabled', ['name'])
|
||||
|
||||
def walk_config(name):
|
||||
with open(name, 'r') as fd:
|
||||
for line in fd:
|
||||
line = line.rstrip()
|
||||
m = req_re.match(line)
|
||||
if m:
|
||||
yield Enabled(m.group(1), m.group(2))
|
||||
continue
|
||||
|
||||
m = forb_re.match(line)
|
||||
if m:
|
||||
yield Disabled(m.group(1))
|
||||
continue
|
||||
|
||||
m = comment_re.match(line)
|
||||
if m:
|
||||
continue
|
||||
|
||||
print "WARNING: Unknown .config line: ", line
|
||||
|
||||
class Checker():
|
||||
def __init__(self):
|
||||
self.required = {}
|
||||
self.exempted = set()
|
||||
self.forbidden = set()
|
||||
|
||||
def add_required(self, fname):
|
||||
for ent in walk_config(fname):
|
||||
if type(ent) is Enabled:
|
||||
self.required[ent.name] = ent.value
|
||||
elif type(ent) is Disabled:
|
||||
if ent.name in self.required:
|
||||
del self.required[ent.name]
|
||||
self.forbidden.add(ent.name)
|
||||
|
||||
def add_exempted(self, fname):
|
||||
with open(fname, 'r') as fd:
|
||||
for line in fd:
|
||||
line = line.rstrip()
|
||||
self.exempted.add(line)
|
||||
|
||||
def check(self, path):
|
||||
failure = False
|
||||
|
||||
# Don't run this for mdm targets
|
||||
if re.search('mdm', path):
|
||||
print "Not applicable to mdm targets... bypassing"
|
||||
else:
|
||||
for ent in walk_config(path):
|
||||
# Go to the next iteration if this config is exempt
|
||||
if ent.name in self.exempted:
|
||||
continue
|
||||
|
||||
if type(ent) is Enabled:
|
||||
if ent.name in self.forbidden:
|
||||
print "error: Config should not be present: %s" %ent.name
|
||||
failure = True
|
||||
|
||||
if ent.name in self.required and ent.value != self.required[ent.name]:
|
||||
print "error: Config has wrong value: %s %s expecting: %s" \
|
||||
%(ent.name, ent.value, self.required[ent.name])
|
||||
failure = True
|
||||
|
||||
elif type(ent) is Disabled:
|
||||
if ent.name in self.required:
|
||||
print "error: Config should be present, but is disabled: %s" %ent.name
|
||||
failure = True
|
||||
|
||||
if failure:
|
||||
sys.exit(1)
|
||||
|
||||
def main():
|
||||
usage = """%prog [options] path/to/.config"""
|
||||
parser = OptionParser(usage=usage, version=version)
|
||||
parser.add_option('-r', '--required', dest="required",
|
||||
action="append")
|
||||
parser.add_option('-e', '--exempted', dest="exempted",
|
||||
action="append")
|
||||
(options, args) = parser.parse_args()
|
||||
if len(args) != 1:
|
||||
parser.error("Expecting a single path argument to .config")
|
||||
elif options.required is None or options.exempted is None:
|
||||
parser.error("Expecting a file containing required configurations")
|
||||
|
||||
ch = Checker()
|
||||
for r in options.required:
|
||||
ch.add_required(r)
|
||||
for e in options.exempted:
|
||||
ch.add_exempted(e)
|
||||
|
||||
ch.check(args[0])
|
||||
|
||||
if __name__ == '__main__':
|
||||
main()
|
||||
79
scripts/gcc-wrapper.py
Executable file
79
scripts/gcc-wrapper.py
Executable file
@ -0,0 +1,79 @@
|
||||
#! /usr/bin/env python2
|
||||
# SPDX-License-Identifier: GPL-2.0-only
|
||||
# Copyright (c) 2011-2017, 2018 The Linux Foundation. All rights reserved.
|
||||
|
||||
# -*- coding: utf-8 -*-
|
||||
|
||||
# Invoke gcc, looking for warnings, and causing a failure if there are
|
||||
# non-whitelisted warnings.
|
||||
|
||||
import errno
|
||||
import re
|
||||
import os
|
||||
import sys
|
||||
import subprocess
|
||||
|
||||
# Note that gcc uses unicode, which may depend on the locale. TODO:
|
||||
# force LANG to be set to en_US.UTF-8 to get consistent warnings.
|
||||
|
||||
allowed_warnings = set([
|
||||
"umid.c:138",
|
||||
"umid.c:213",
|
||||
"umid.c:388",
|
||||
"coresight-catu.h:116",
|
||||
"mprotect.c:42",
|
||||
"signal.c:93",
|
||||
"signal.c:51",
|
||||
])
|
||||
|
||||
# Capture the name of the object file, can find it.
|
||||
ofile = None
|
||||
|
||||
warning_re = re.compile(r'''(.*/|)([^/]+\.[a-z]+:\d+):(\d+:)? warning:''')
|
||||
def interpret_warning(line):
|
||||
"""Decode the message from gcc. The messages we care about have a filename, and a warning"""
|
||||
line = line.rstrip('\n')
|
||||
m = warning_re.match(line)
|
||||
if m and m.group(2) not in allowed_warnings:
|
||||
print "error, forbidden warning:", m.group(2)
|
||||
|
||||
# If there is a warning, remove any object if it exists.
|
||||
if ofile:
|
||||
try:
|
||||
os.remove(ofile)
|
||||
except OSError:
|
||||
pass
|
||||
sys.exit(1)
|
||||
|
||||
def run_gcc():
|
||||
args = sys.argv[1:]
|
||||
# Look for -o
|
||||
try:
|
||||
i = args.index('-o')
|
||||
global ofile
|
||||
ofile = args[i+1]
|
||||
except (ValueError, IndexError):
|
||||
pass
|
||||
|
||||
compiler = sys.argv[0]
|
||||
|
||||
try:
|
||||
proc = subprocess.Popen(args, stderr=subprocess.PIPE)
|
||||
for line in proc.stderr:
|
||||
print line,
|
||||
interpret_warning(line)
|
||||
|
||||
result = proc.wait()
|
||||
except OSError as e:
|
||||
result = e.errno
|
||||
if result == errno.ENOENT:
|
||||
print args[0] + ':',e.strerror
|
||||
print 'Is your PATH set correctly?'
|
||||
else:
|
||||
print ' '.join(args), str(e)
|
||||
|
||||
return result
|
||||
|
||||
if __name__ == '__main__':
|
||||
status = run_gcc()
|
||||
sys.exit(status)
|
||||
Loading…
Reference in New Issue
Block a user