Hi Masahiro-san
On Thu, May 14, 2015 at 11:44 PM, Masahiro Yamada
<yamada.masah...@socionext.com> wrote:
> This tool was originally written for my local use to ease the task
> of tons of CONFIG moves, but there have been some requests for
> mainlining it.
> So, I have tidied up the code with nicer comments, and here it is.
>
> See the comment block of the script for usage.
>
> The first draft was
> http://patchwork.ozlabs.org/patch/430422/
>
> Main updates are:
> - Adapted to the single .config configuration
> - Support colored log
> - Support moving multiple options at once
> (and take configs via input file only)
> - Continue even if some boards fail
> (Idea provided by Joe Hershberger)
> - Add more options
> - More comments and code cleanups
>
> Signed-off-by: Masahiro Yamada <yamada.masah...@socionext.com>
> Signed-off-by: Joe Hershberger <joe.hershber...@ni.com>
> ---
>
> Changes in v2:
> - Fix comments
> - Map arc toolchain
> - Add dry-run option
>
> tools/moveconfig.py | 853
> ++++++++++++++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 853 insertions(+)
> create mode 100755 tools/moveconfig.py
>
> diff --git a/tools/moveconfig.py b/tools/moveconfig.py
> new file mode 100755
> index 0000000..c39ea95
> --- /dev/null
> +++ b/tools/moveconfig.py
> @@ -0,0 +1,853 @@
> +#!/usr/bin/env python2
> +#
> +# Author: Masahiro Yamada <yamada.masah...@socionext.com>
> +#
> +# SPDX-License-Identifier: GPL-2.0+
> +#
> +
> +"""
> +Move config options from headers to defconfig files.
> +
> +Since Kconfig was introduced to U-Boot, we have worked on moving
> +config options from headers to Kconfig (defconfig).
> +
> +This tool intends to help this tremendous work.
> +
> +
> +Usage
> +-----
> +
> +This tool takes one input file. (let's say 'recipe' file here.)
> +The recipe describes the list of config options you want to move.
> +Each line takes the form:
> +<config_name> <type> <default>
> +(the fields must be separated with whitespaces.)
> +
> +<config_name> is the name of config option.
> +
> +<type> is the type of the option. It must be one of bool, tristate,
> +string, int, and hex.
> +
> +<default> is the default value of the option. It must be appropriate
> +value corresponding to the option type. It must be either y or n for
> +the bool type. Tristate options can also take m (although U-Boot has
> +not supported the module feature).
> +
> +You can add two or more lines in the recipe file, so you can move
> +multiple options at once.
> +
> +Let's say, for example, you want to move CONFIG_CMD_USB and
> +CONFIG_SYS_TEXT_BASE.
> +
> +The type should be bool, hex, respectively. So, the recipe file
> +should look like this:
> +
> + $ cat recipe
> + CONFIG_CMD_USB bool n
> + CONFIG_SYS_TEXT_BASE hex 0x00000000
> +
> +And then run this tool giving the file name of the recipe
> +
> + $ tools/moveconfig.py recipe
> +
> +The tool walks through all the defconfig files to move the config
> +options specified by the recipe file.
> +
> +The log is also displayed on the terminal.
> +
> +Each line is printed in the format
> +<defconfig_name> : <action>
> +
> +<defconfig_name> is the name of the defconfig
> +(without the suffix _defconfig).
> +
> +<action> shows what the tool did for that defconfig.
> +It looks like one of the followings:
> +
> + - Move 'CONFIG_... '
> + This config option was moved to the defconfig
> +
> + - Default value 'CONFIG_...'. Do nothing.
> + The value of this option is the same as default.
> + We do not have to add it to the defconfig.
> +
> + - 'CONFIG_...' already exists in Kconfig. Do nothing.
> + This config option is already defined in Kconfig.
> + We do not need/want to touch it.
> +
> + - Undefined. Do nothing.
> + This config option was not found in the config header.
> + Nothing to do.
> +
> + - Failed to process. Skip.
> + An error occurred during processing this defconfig. Skipped.
> + (If -e option is passed, the tool exits immediately on error.)
> +
> +Finally, you will be asked, Clean up headers? [y/n]:
> +
> +If you say 'y' here, the unnecessary config defines are removed
> +from the config headers (include/configs/*.h).
> +It just uses the regex method, so you should not rely on it.
> +Just in case, please do 'git diff' to see what happened.
> +
> +
> +How does it works?
> +------------------
> +
> +This tool runs configuration and builds include/autoconf.mk for every
> +defconfig. The config options defined in Kconfig appear in the .config
> +file (unless they are hidden because of unmet dependency.)
> +On the other hand, the config options defined by board headers are seen
> +in include/autoconf.mk. The tool looks for the specified options in both
> +of them to decide the appropriate action for the options. If the option
> +is found in the .config or the value is the same as the specified default,
> +the option does not need to be touched. If the option is found in
> +include/autoconf.mk, but not in the .config, and the value is different
> +from the default, the tools adds the option to the defconfig.
> +
> +For faster processing, this tool handles multi-threading. It creates
> +separate build directories where the out-of-tree build is run. The
> +temporary build directories are automatically created and deleted as
> +needed. The number of threads are chosen based on the number of the CPU
> +cores of your system although you can change it via -j (--jobs) option.
> +
> +
> +Toolchains
> +----------
> +
> +Appropriate toolchain are necessary to generate include/autoconf.mk
> +for all the architectures supported by U-Boot. Most of them are available
> +at the kernel.org site, some are not provided by kernel.org.
> +
> +The default per-arch CROSS_COMPILE used by this tool is specified by
> +the list below, CROSS_COMPILE. You may wish to update the list to
> +use your own. Instead of modifying the list directly, you can give
> +them via environments.
> +
> +
> +Available options
> +-----------------
> +
> + -c, --color
> + Surround each portion of the log with escape sequences to display it
> + in color on the terminal.
> +
> + -n, --dry-run
> + Peform a trial run that does not make any changes. It is useful to
> + see what is going to happen before one actually runs it.
> +
> + -e, --exit-on-error
> + Exit immediately if Make exits with a non-zero status while processing
> + a defconfig file.
> +
> + -j, --jobs
> + Specify the number of threads to run simultaneously. If not specified,
> + the number of threads is the same as the number of CPU cores.
> +
> +To see the complete list of supported options, run
> +
> + $ tools/moveconfig.py -h
> +
> +"""
> +
> +import fnmatch
> +import multiprocessing
> +import optparse
> +import os
> +import re
> +import shutil
> +import subprocess
> +import sys
> +import tempfile
> +import time
> +
> +SHOW_GNU_MAKE = 'scripts/show-gnu-make'
> +SLEEP_TIME=0.03
> +
> +# Here is the list of cross-tools I use.
> +# Most of them are available at kernel.org
> +# (https://www.kernel.org/pub/tools/crosstool/files/bin/), except,
> +# arc:
> https://github.com/foss-for-synopsys-dwc-arc-processors/toolchain/releases
> +# blackfin: http://sourceforge.net/projects/adi-toolchain/files/
> +# nios2: https://sourcery.mentor.com/GNUToolchain/subscription42544
> +# nds32, sh: http://dev.gentoo.org/~vapier/u-boot
> +CROSS_COMPILE = {
> + 'arc': 'arc-linux-',
> + 'aarch64': 'aarch64-linux-',
> + 'arm': 'arm-unknown-linux-gnueabi-',
> + 'avr32': 'avr32-linux-',
> + 'blackfin': 'bfin-elf-',
> + 'm68k': 'm68k-linux-',
> + 'microblaze': 'microblaze-linux-',
> + 'mips': 'mips-linux-',
> + 'nds32': 'nds32le-linux-',
> + 'nios2': 'nios2-linux-',
> + 'openrisc': 'or32-linux-',
> + 'powerpc': 'powerpc-linux-',
> + 'sh': 'sh4-gentoo-linux-gnu-',
> + 'sparc': 'sparc-linux-',
> + 'x86': 'i386-linux-'
> +}
> +
> +STATE_IDLE = 0
> +STATE_DEFCONFIG = 1
> +STATE_AUTOCONF = 2
> +
> +ACTION_MOVE = 0
> +ACTION_DEFAULT_VALUE = 1
> +ACTION_ALREADY_EXIST = 2
> +ACTION_UNDEFINED = 3
> +
> +COLOR_BLACK = '0;30'
> +COLOR_RED = '0;31'
> +COLOR_GREEN = '0;32'
> +COLOR_BROWN = '0;33'
> +COLOR_BLUE = '0;34'
> +COLOR_PURPLE = '0;35'
> +COLOR_CYAN = '0;36'
> +COLOR_LIGHT_GRAY = '0;37'
> +COLOR_DARK_GRAY = '1;30'
> +COLOR_LIGHT_RED = '1;31'
> +COLOR_LIGHT_GREEN = '1;32'
> +COLOR_YELLOW = '1;33'
> +COLOR_LIGHT_BLUE = '1;34'
> +COLOR_LIGHT_PURPLE = '1;35'
> +COLOR_LIGHT_CYAN = '1;36'
> +COLOR_WHITE = '1;37'
> +
> +### helper functions ###
> +def get_devnull():
> + """Get the file object of '/dev/null' device."""
> + try:
> + devnull = subprocess.DEVNULL # py3k
> + except AttributeError:
> + devnull = open(os.devnull, 'wb')
> + return devnull
> +
> +def check_top_directory():
> + """Exit if we are not at the top of source directory."""
> + for f in ('README', 'Licenses'):
> + if not os.path.exists(f):
> + sys.exit('Please run at the top of source directory.')
> +
> +def get_make_cmd():
> + """Get the command name of GNU Make.
> +
> + U-Boot needs GNU Make for building, but the command name is not
> + necessarily "make". (for example, "gmake" on FreeBSD).
> + Returns the most appropriate command name on your system.
> + """
> + process = subprocess.Popen([SHOW_GNU_MAKE], stdout=subprocess.PIPE)
> + ret = process.communicate()
> + if process.returncode:
> + sys.exit('GNU Make not found')
> + return ret[0].rstrip()
> +
> +def color_text(color_enabled, color, string):
> + """Return colored string."""
> + if color_enabled:
> + return '\033[' + color + 'm' + string + '\033[0m'
> + else:
> + return string
> +
> +def log_msg(color_enabled, color, defconfig, msg):
> + """Return the formated line for the log."""
> + return defconfig[:-len('_defconfig')].ljust(37) + ': ' + \
> + color_text(color_enabled, color, msg) + '\n'
> +
> +def update_cross_compile():
> + """Update per-arch CROSS_COMPILE via enviroment variables
> +
> + The default CROSS_COMPILE values are available
> + in the CROSS_COMPILE list above.
> +
> + You can override them via enviroment variables
> + CROSS_COMPILE_{ARCH}.
> +
> + For example, if you want to override toolchain prefixes
> + for ARM and PowerPC, you can do as follows in your shell:
> +
> + export CROSS_COMPILE_ARM=...
> + export CROSS_COMPILE_POWERPC=...
> + """
> + archs = []
> +
> + for arch in os.listdir('arch'):
> + if os.path.exists(os.path.join('arch', arch, 'Makefile')):
> + archs.append(arch)
> +
> + # arm64 is a special case
> + archs.append('aarch64')
> +
> + for arch in archs:
> + env = 'CROSS_COMPILE_' + arch.upper()
> + cross_compile = os.environ.get(env)
> + if cross_compile:
> + CROSS_COMPILE[arch] = cross_compile
> +
> +def cleanup_one_header(header_path, patterns, dry_run):
> + """Clean regex-matched lines away from a file.
> +
> + Arguments:
> + header_path: path to the cleaned file.
> + patterns: list of regex patterns. Any lines matching to these
> + patterns are deleted.
> + dry_run: make no changes, but still display log.
> + """
> + with open(header_path) as f:
> + lines = f.readlines()
> +
> + matched = []
> + for i, line in enumerate(lines):
> + for pattern in patterns:
> + m = pattern.search(line)
> + if m:
> + print '%s: %s: %s' % (header_path, i + 1, line),
> + matched.append(i)
> + break
> +
> + if dry_run or not matched:
> + return
> +
> + with open(header_path, 'w') as f:
> + for i, line in enumerate(lines):
> + if not i in matched:
> + f.write(line)
> +
> +def cleanup_headers(config_attrs, dry_run):
> + """Delete config defines from board headers.
> +
> + Arguments:
> + config_attrs: A list of dictionaris, each of them includes the name,
> + the type, and the default value of the target config.
> + dry_run: make no changes, but still display log.
> + """
> + while True:
> + choice = raw_input('Clean up headers? [y/n]: ').lower()
> + print choice
> + if choice == 'y' or choice == 'n':
> + break
> +
> + if choice == 'n':
> + return
> +
> + patterns = []
> + for config_attr in config_attrs:
> + config = config_attr['config']
> + patterns.append(re.compile(r'#\s*define\s+%s\W' % config))
> + patterns.append(re.compile(r'#\s*undef\s+%s\W' % config))
> +
> + for (dirpath, dirnames, filenames) in os.walk('include'):
> + for filename in filenames:
> + if not fnmatch.fnmatch(filename, '*~'):
> + cleanup_one_header(os.path.join(dirpath, filename), patterns,
> + dry_run)
> +
> +### classes ###
> +class KconfigParser:
> +
> + """A parser of .config and include/autoconf.mk."""
> +
> + re_arch = re.compile(r'CONFIG_SYS_ARCH="(.*)"')
> + re_cpu = re.compile(r'CONFIG_SYS_CPU="(.*)"')
> +
> + def __init__(self, config_attrs, options, build_dir):
> + """Create a new parser.
> +
> + Arguments:
> + config_attrs: A list of dictionaris, each of them includes the
> name,
> + the type, and the default value of the target config.
> + options: option flags.
> + build_dir: Build directory.
> + """
> + self.config_attrs = config_attrs
> + self.options = options
> + self.build_dir = build_dir
> +
> + def get_cross_compile(self):
> + """Parse .config file and return CROSS_COMPILE.
> +
> + Returns:
> + A string storing the compiler prefix for the architecture.
> + """
> + arch = ''
> + cpu = ''
> + dotconfig = os.path.join(self.build_dir, '.config')
> + for line in open(dotconfig):
> + m = self.re_arch.match(line)
> + if m:
> + arch = m.group(1)
> + continue
> + m = self.re_cpu.match(line)
> + if m:
> + cpu = m.group(1)
> +
> + assert arch, 'Error: arch is not defined in %s' % defconfig
> +
> + # fix-up for aarch64
> + if arch == 'arm' and cpu == 'armv8':
> + arch = 'aarch64'
> +
> + return CROSS_COMPILE.get(arch, '')
> +
> + def parse_one_config(self, config_attr, defconfig_lines,
> + dotconfig_lines, autoconf_lines):
> + """Parse .config, defconfig, include/autoconf.mk for one config.
> +
> + This function looks for the config options in the lines from
> + defconfig, .config, and include/autoconf.mk in order to decide
> + which action should be taken for this defconfig.
> +
> + Arguments:
> + config_attr: A dictionary including the name, the type,
> + and the default value of the target config.
> + defconfig_lines: lines from the original defconfig file.
> + dotconfig_lines: lines from the .config file.
> + autoconf_lines: lines from the include/autoconf.mk file.
> +
> + Returns:
> + A tupple of the action for this defconfig and the line
> + matched for the config.
> + """
> + config = config_attr['config']
> + not_set = '# %s is not set' % config
> +
> + if config_attr['type'] in ('bool', 'tristate') and \
> + config_attr['default'] == 'n':
> + default = not_set
> + else:
> + default = config + '=' + config_attr['default']
> +
> + for line in defconfig_lines + dotconfig_lines:
> + line = line.rstrip()
> + if line.startswith(config + '=') or line == not_set:
> + return (ACTION_ALREADY_EXIST, line)
> +
> + if config_attr['type'] in ('bool', 'tristate'):
> + value = not_set
> + else:
> + value = '(undefined)'
> +
> + for line in autoconf_lines:
> + line = line.rstrip()
> + if line.startswith(config + '='):
> + value = line
> + break
> +
> + if value == default:
> + action = ACTION_DEFAULT_VALUE
> + elif value == '(undefined)':
> + action = ACTION_UNDEFINED
> + else:
> + action = ACTION_MOVE
> +
> + return (action, value)
> +
> + def update_defconfig(self, defconfig):
> + """Parse files for the config options and update the defconfig.
> +
> + This function parses the given defconfig, the generated .config
> + and include/autoconf.mk searching the target options.
> + Move the config option(s) to the defconfig or do nothing if unneeded.
> + Also, display the log to show what happened to this defconfig.
> +
> + Arguments:
> + defconfig: defconfig name.
> + """
> +
> + defconfig_path = os.path.join('configs', defconfig)
> + dotconfig_path = os.path.join(self.build_dir, '.config')
> + autoconf_path = os.path.join(self.build_dir, 'include',
> 'autoconf.mk')
> + results = []
> +
> + with open(defconfig_path) as f:
> + defconfig_lines = f.readlines()
> +
> + with open(dotconfig_path) as f:
> + dotconfig_lines = f.readlines()
> +
> + with open(autoconf_path) as f:
> + autoconf_lines = f.readlines()
> +
> + for config_attr in self.config_attrs:
> + result = self.parse_one_config(config_attr, defconfig_lines,
> + dotconfig_lines, autoconf_lines)
> + results.append(result)
> +
> + log = ''
> +
> + for (action, value) in results:
> + if action == ACTION_MOVE:
> + actlog = "Move '%s'" % value
> + log_color = COLOR_LIGHT_GREEN
> + elif action == ACTION_DEFAULT_VALUE:
> + actlog = "Default value '%s'. Do nothing." % value
> + log_color = COLOR_LIGHT_BLUE
> + elif action == ACTION_ALREADY_EXIST:
> + actlog = "'%s' already defined in Kconfig. Do nothing." %
> value
> + log_color = COLOR_LIGHT_PURPLE
> + elif action == ACTION_UNDEFINED:
> + actlog = "Undefined. Do nothing."
> + log_color = COLOR_DARK_GRAY
> + else:
> + sys.exit("Internal Error. This should not happen.")
> +
> + log += log_msg(self.options.color, log_color, defconfig, actlog)
> +
> + # Some threads are running in parallel.
> + # Print log in one shot to not mix up logs from different threads.
> + print log,
> +
> + if not self.options.dry_run:
> + with open(defconfig_path, 'a') as f:
> + for (action, value) in results:
> + if action == ACTION_MOVE:
> + f.write(value + '\n')
> +
> + os.remove(os.path.join(self.build_dir, 'include', 'config',
> 'auto.conf'))
> + os.remove(autoconf_path)
> +
> +class Slot:
> +
> + """A slot to store a subprocess.
> +
> + Each instance of this class handles one subprocess.
> + This class is useful to control multiple threads
> + for faster processing.
> + """
> +
> + def __init__(self, config_attrs, options, devnull, make_cmd):
> + """Create a new process slot.
> +
> + Arguments:
> + config_attrs: A list of dictionaris, each of them includes the
> name,
> + the type, and the default value of the target config.
> + options: option flags.
> + devnull: A file object of '/dev/null'.
> + make_cmd: command name of GNU Make.
> + """
> + self.options = options
> + self.build_dir = tempfile.mkdtemp()
> + self.devnull = devnull
> + self.make_cmd = (make_cmd, 'O=' + self.build_dir)
> + self.parser = KconfigParser(config_attrs, options, self.build_dir)
> + self.state = STATE_IDLE
> + self.failed_boards = []
> +
> + def __del__(self):
> + """Delete the working directory
> +
> + This function makes sure the temporary directory is cleaned away
> + even if Python suddenly dies due to error. It should be done in here
> + because it is guranteed the destructor is always invoked when the
> + instance of the class gets unreferenced.
> +
> + If the subprocess is still running, wait until it finishes.
> + """
> + if self.state != STATE_IDLE:
> + while self.ps.poll() == None:
> + pass
> + shutil.rmtree(self.build_dir)
> +
> + def add(self, defconfig):
> + """Assign a new subprocess for defconfig and add it to the slot.
> +
> + If the slot is vacant, create a new subprocess for processing the
> + given defconfig and add it to the slot. Just returns False if
> + the slot is occupied (i.e. the current subprocess is still running).
> +
> + Arguments:
> + defconfig: defconfig name.
> +
> + Returns:
> + Return True on success or False on failure
> + """
> + if self.state != STATE_IDLE:
> + return False
> + cmd = list(self.make_cmd)
> + cmd.append(defconfig)
> + self.ps = subprocess.Popen(cmd, stdout=self.devnull)
> + self.defconfig = defconfig
> + self.state = STATE_DEFCONFIG
> + return True
> +
> + def poll(self):
> + """Check the status of the subprocess and handle it as needed.
> +
> + Returns True if the slot is vacant (i.e. in idle state).
> + If the configuration is successfully finished, assign a new
> + subprocess to build include/autoconf.mk.
> + If include/autoconf.mk is generated, invoke the parser to
> + parse the .config and the include/autoconf.mk, and then set the
> + slot back to the idle state.
> +
> + Returns:
> + Return True if the subprocess is terminated, False otherwise
> + """
> + if self.state == STATE_IDLE:
> + return True
> +
> + if self.ps.poll() == None:
> + return False
> +
> + if self.ps.poll() != 0:
> +
> + print >> sys.stderr, log_msg(self.options.color,
> + COLOR_LIGHT_RED,
> + self.defconfig,
> + "failed to process.")
> + if self.options.exit_on_error:
> + sys.exit("Exit on error.")
> + else:
> + # If --exit-on-error flag is not set,
> + # skip this board and continue.
> + # Record the failed board.
> + self.failed_boards.append(self.defconfig)
> + self.state = STATE_IDLE
> + return True
> +
> + if self.state == STATE_AUTOCONF:
> + self.parser.update_defconfig(self.defconfig)
> + self.state = STATE_IDLE
> + return True
> +
> + cross_compile = self.parser.get_cross_compile()
> + cmd = list(self.make_cmd)
> + if cross_compile:
> + cmd.append('CROSS_COMPILE=%s' % cross_compile)
> + cmd.append('include/config/auto.conf')
> + self.ps = subprocess.Popen(cmd, stdout=self.devnull)
> + self.state = STATE_AUTOCONF
> + return False
> +
> + def get_failed_boards(self):
> + """Returns a list of failed boards (defconfigs) in this slot.
> + """
> + return self.failed_boards
> +
> +class Slots:
> +
> + """Controller of the array of subprocess slots."""
> +
> + def __init__(self, config_attrs, options):
> + """Create a new slots controller.
> +
> + Arguments:
> + config_attrs: A list of dictionaris containing the name, the type,
> + and the default value of the target CONFIG.
> + options: option flags.
> + """
> + self.options = options
> + self.slots = []
> + devnull = get_devnull()
> + make_cmd = get_make_cmd()
> + for i in range(options.jobs):
> + self.slots.append(Slot(config_attrs, options, devnull, make_cmd))
> +
> + def add(self, defconfig):
> + """Add a new subprocess if a vacant slot is found.
> +
> + Arguments:
> + defconfig: defconfig name to be put into.
> +
> + Returns:
> + Return True on success or False on failure
> + """
> + for slot in self.slots:
> + if slot.add(defconfig):
> + return True
> + return False
> +
> + def available(self):
> + """Check if there is a vacant slot.
> +
> + Returns:
> + Return True if at lease one vacant slot is found, False otherwise.
> + """
> + for slot in self.slots:
> + if slot.poll():
> + return True
> + return False
> +
> + def empty(self):
> + """Check if all slots are vacant.
> +
> + Returns:
> + Return True if all the slots are vacant, False otherwise.
> + """
> + ret = True
> + for slot in self.slots:
> + if not slot.poll():
> + ret = False
> + return ret
> +
> + def show_failed_boards(self):
> + """Display all of the failed boards (defconfigs)."""
> + failed_boards = []
> +
> + for slot in self.slots:
> + failed_boards += slot.get_failed_boards()
> +
> + if len(failed_boards) > 0:
> + msg = [ "The following boards were not processed due to error:" ]
> + msg += failed_boards
> + print msg
This is an extra print.
> + for line in msg:
> + print >> sys.stderr, color_text(self.options.color,
> + COLOR_LIGHT_RED, line)
> +
> +def move_config(config_attrs, options):
> + """Move config options to defconfig files.
> +
> + Arguments:
> + config_attrs: A list of dictionaris, each of them includes the name,
> + the type, and the default value of the target config.
> + options: option flags
> + """
> + check_top_directory()
> +
> + if len(config_attrs) == 0:
> + print 'Nothing to do. exit.'
> + sys.exit(0)
> +
> + print 'Move the following CONFIG options (jobs: %d)' % options.jobs
> + for config_attr in config_attrs:
> + print ' %s (type: %s, default: %s)' % (config_attr['config'],
> + config_attr['type'],
> + config_attr['default'])
> +
> + # All the defconfig files to be processed
> + defconfigs = []
> + for (dirpath, dirnames, filenames) in os.walk('configs'):
> + dirpath = dirpath[len('configs') + 1:]
> + for filename in fnmatch.filter(filenames, '*_defconfig'):
> + defconfigs.append(os.path.join(dirpath, filename))
> +
> + slots = Slots(config_attrs, options)
> +
> + # Main loop to process defconfig files:
> + # Add a new subprocess into a vacant slot.
> + # Sleep if there is no available slot.
> + for defconfig in defconfigs:
> + while not slots.add(defconfig):
> + while not slots.available():
> + # No available slot: sleep for a while
> + time.sleep(SLEEP_TIME)
> +
> + # wait until all the subprocesses finish
> + while not slots.empty():
> + time.sleep(SLEEP_TIME)
> +
> + slots.show_failed_boards()
> +
> + cleanup_headers(config_attrs, options.dry_run)
> +
> +def bad_recipe(filename, linenum, msg):
> + """Print error message with the file name and the line number and
> exit."""
> + sys.exit("%s: line %d: error : " % (filename, linenum) + msg)
> +
> +def parse_recipe(filename):
> + """Parse the recipe file and retrieve the config attributes.
> +
> + This function parses the given recipe file and gets the name,
> + the type, and the default value of the target config options.
> +
> + Arguments:
> + filename: path to file to be parsed.
> + Returns:
> + A list of dictionaris, each of them includes the name,
> + the type, and the default value of the target config.
> + """
> + config_attrs = []
> + linenum = 1
> +
> + for line in open(filename):
> + tokens = line.split()
> + if len(tokens) != 3:
> + bad_recipe(filename, linenum,
> + "%d fields in this line. Each line must contain 3
> fields"
> + % len(tokens))
> +
> + (config, type, default) = tokens
> +
> + # prefix the option name with CONFIG_ if missing
> + if not config.startswith('CONFIG_'):
> + config = 'CONFIG_' + config
> +
> + # sanity check of default values
> + if type == 'bool':
> + if not default in ('y', 'n'):
> + bad_recipe(filename, linenum,
> + "default for bool type must be either y or n")
> + elif type == 'tristate':
> + if not default in ('y', 'm', 'n'):
> + bad_recipe(filename, linenum,
> + "default for tristate type must be y, m, or n")
> + elif type == 'string':
> + if default[0] != '"' or default[-1] != '"':
> + bad_recipe(filename, linenum,
> + "default for string type must be surrounded by
> double-quotations")
> + elif type == 'int':
> + try:
> + int(default)
> + except:
> + bad_recipe(filename, linenum,
> + "type is int, but default value is not decimal")
> + elif type == 'hex':
> + if len(default) < 2 or default[:2] != '0x':
> + bad_recipe(filename, linenum,
> + "default for hex type must be prefixed with 0x")
> + try:
> + int(default, 16)
> + except:
> + bad_recipe(filename, linenum,
> + "type is hex, but default value is not
> hexadecimal")
> + else:
> + bad_recipe(filename, linenum,
> + "unsupported type '%s'. type must be one of bool,
> tristate, string, int, hex"
> + % type)
> +
> + config_attrs.append({'config': config, 'type': type, 'default':
> default})
> + linenum += 1
> +
> + return config_attrs
> +
> +def main():
> + try:
> + cpu_count = multiprocessing.cpu_count()
> + except NotImplementedError:
> + cpu_count = 1
> +
> + parser = optparse.OptionParser()
> + # Add options here
> + parser.add_option('-c', '--color', action='store_true', default=False,
> + help='display the log in color')
> + parser.add_option('-n', '--dry-run', action='store_true', default=False,
> + help='perform a trial run (show log with no changes)')
> + parser.add_option('-e', '--exit-on-error', action='store_true',
> + default=False,
> + help='exit immediately on any error')
> + parser.add_option('-j', '--jobs', type='int', default=cpu_count,
> + help='the number of jobs to run simultaneously')
> + parser.usage += ' recipe_file\n\n' + \
> + 'The recipe_file should describe config options you want
> to move.\n' + \
> + 'Each line should contain config_name, type,
> default_value\n\n' + \
> + 'Example:\n' + \
> + 'CONFIG_FOO bool n\n' + \
> + 'CONFIG_BAR int 100\n' + \
> + 'CONFIG_BAZ string "hello"\n'
> +
> + (options, args) = parser.parse_args()
> +
> + if len(args) != 1:
> + parser.print_usage()
> + sys.exit(1)
> +
> + config_attrs = parse_recipe(args[0])
> +
> + update_cross_compile()
> +
> + move_config(config_attrs, options)
> +
> +if __name__ == '__main__':
> + main()
> --
> 1.9.1
>
> _______________________________________________
> U-Boot mailing list
> U-Boot@lists.denx.de
> http://lists.denx.de/mailman/listinfo/u-boot
_______________________________________________
U-Boot mailing list
U-Boot@lists.denx.de
http://lists.denx.de/mailman/listinfo/u-boot
