mirror of
https://github.com/cirosantilli/linux-kernel-module-cheat.git
synced 2026-01-22 17:55:57 +01:00
linux: dominate defconfig
build-linux: make it more flexible to better meet the task
This commit is contained in:
Ciro Santilli 六四事件 法轮功
163
build-linux
163
build-linux
@@ -29,28 +29,48 @@ Pass multiple times to use multiple fragment files.
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'''
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)
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self.add_argument(
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'--config-only', default=False,
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'--build',
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default=True,
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help='''\
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Configure the kernel, but don't build it.
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Build the kernel.
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'''
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)
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self.add_argument(
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'--configure',
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default=True,
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help='''\
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Configure the kernel.
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'''
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)
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self.add_argument(
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'--custom-config-file',
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help='''\
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Ignore all default kernel configurations and use this file instead.
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Still uses options explicitly passed with `--config` and
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`--config-fragment` on top of it.
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Use this file as the .config. Don't add any default framents to it,
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unless explicitly passed with `--config` and `--config-fragment` on
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top of it.
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'''
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)
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self.add_argument(
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'--custom-config-file-gem5', default=False,
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'--custom-config-file-gem5',
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default=False,
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help='''\
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Use the gem5 Linux kernel fork config as the custom config file.
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Ignore --custom-config-file.
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Like --custom-config-file, but select the gem5 Linux kernel fork
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config as the custom config file. Ignore --custom-config-file if given.
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See: https://github.com/cirosantilli/linux-kernel-module-cheat#gem5-arm-linux-kernel-patches
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'''
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)
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self.add_argument(
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'--modules-install', default=True,
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'--custom-config-target',
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help='''\
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Like --custom-config-file, but generate the base configuration file
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by running a kernel make target such as menuconfig or defconfig.
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If a .config exists in the tree, it will get picked e.g. by menuconfig,
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so you might want to --clean the build first.
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'''
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)
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self.add_argument(
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'--modules-install',
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default=True,
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help='''\
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Run `make modules_install` after `make`.
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'''
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@@ -88,49 +108,88 @@ Run `make modules_install` after `make`.
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'CC={}'.format(cc), LF,
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'O={}'.format(build_dir), LF,
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] + verbose
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if self.env['custom_config_file_gem5']:
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custom_config_file = os.path.join(self.env['linux_source_dir'], 'arch', self.env['linux_arch'], 'configs', 'gem5_defconfig')
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else:
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custom_config_file = self.env['custom_config_file']
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if custom_config_file is not None:
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if not os.path.exists(custom_config_file):
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raise Exception('config fragment file does not exist: {}'.format(custom_config_file))
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base_config_file = custom_config_file
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config_fragments = []
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else:
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base_config_file = os.path.join(self.env['linux_config_dir'], 'buildroot-{}'.format(self.env['arch']))
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config_fragments = ['min', 'default']
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for i, config_fragment in enumerate(config_fragments):
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config_fragments[i] = os.path.join(self.env['linux_config_dir'], config_fragment)
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config_fragments.extend(self.env['config_fragment'])
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cli_configs = self.env['config']
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if self.env['initramfs']:
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cli_configs.append('CONFIG_INITRAMFS_SOURCE="{}"'.format(self.env['buildroot_cpio']))
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if cli_configs:
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cli_config_fragment_path = os.path.join(build_dir, 'lkmc_cli_config_fragment')
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self.sh.write_configs(cli_config_fragment_path, cli_configs, mode='w')
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config_fragments.append(cli_config_fragment_path)
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self.sh.cp(
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base_config_file,
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os.path.join(build_dir, '.config'),
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)
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self.sh.run_cmd(
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[
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os.path.join(self.env['linux_source_dir'], 'scripts', 'kconfig', 'merge_config.sh'), LF,
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'-m', LF,
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'-O', build_dir, LF,
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os.path.join(build_dir, '.config'), LF,
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] +
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self.sh.add_newlines(config_fragments)
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)
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self.sh.run_cmd(
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(
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common_make_args +
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['olddefconfig', LF]
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),
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**common_args
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)
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if not self.env['config_only']:
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if self.env['configure']:
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if self.env['custom_config_target']:
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base_config_given = True
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base_config_needs_copy = False
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elif self.env['custom_config_file_gem5']:
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base_config_given = True
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base_config_needs_copy = True
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custom_config_file = os.path.join(
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self.env['linux_source_dir'],
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'arch',
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self.env['linux_arch'],
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'configs',
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'gem5_defconfig'
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)
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elif self.env['custom_config_file']:
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base_config_given = False
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base_config_needs_copy = True
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custom_config_file = self.env['custom_config_file']
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else:
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base_config_given = False
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base_config_needs_copy = True
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if base_config_given:
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if base_config_needs_copy:
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if not os.path.exists(custom_config_file):
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raise Exception('config fragment file does not exist: {}'.format(custom_config_file))
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base_config_file = custom_config_file
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config_fragments = []
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else:
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base_config_file = os.path.join(
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self.env['linux_config_dir'],
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'buildroot-{}'.format(self.env['arch'])
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)
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config_fragments = ['min', 'default']
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for i, config_fragment in enumerate(config_fragments):
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config_fragments[i] = os.path.join(
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self.env['linux_config_dir'],
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config_fragment
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)
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config_fragments.extend(self.env['config_fragment'])
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cli_configs = self.env['config']
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if self.env['initramfs']:
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cli_configs.append('CONFIG_INITRAMFS_SOURCE="{}"'.format(self.env['buildroot_cpio']))
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if cli_configs:
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cli_config_fragment_path = os.path.join(build_dir, 'lkmc_cli_config_fragment')
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self.sh.write_configs(cli_config_fragment_path, cli_configs, mode='w')
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config_fragments.append(cli_config_fragment_path)
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if base_config_needs_copy:
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self.sh.cp(
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base_config_file,
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os.path.join(self.env['linux_config']),
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)
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if self.env['custom_config_target']:
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self.sh.run_cmd(
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(
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common_make_args +
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[self.env['custom_config_target'], LF]
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),
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**common_args
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)
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if config_fragments:
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self.sh.run_cmd(
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[
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os.path.join(
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self.env['linux_source_dir'],
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'scripts',
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'kconfig',
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'merge_config.sh'
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), LF,
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'-m', LF,
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'-O', build_dir, LF,
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os.path.join(self.env['linux_config']), LF,
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] +
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self.sh.add_newlines(config_fragments)
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)
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self.sh.run_cmd(
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(
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common_make_args +
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['olddefconfig', LF]
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),
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**common_args
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)
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if self.env['build']:
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self.sh.run_cmd(
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(
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common_make_args +
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