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- # Recipe creation tool - kernel support plugin
- #
- # Copyright (C) 2016 Intel Corporation
- #
- # SPDX-License-Identifier: GPL-2.0-only
- #
- import re
- import logging
- from recipetool.create import RecipeHandler, read_pkgconfig_provides, validate_pv
- logger = logging.getLogger('recipetool')
- tinfoil = None
- def tinfoil_init(instance):
- global tinfoil
- tinfoil = instance
- class KernelRecipeHandler(RecipeHandler):
- def process(self, srctree, classes, lines_before, lines_after, handled, extravalues):
- import bb.process
- if 'buildsystem' in handled:
- return False
- for tell in ['arch', 'firmware', 'Kbuild', 'Kconfig']:
- if not os.path.exists(os.path.join(srctree, tell)):
- return False
- handled.append('buildsystem')
- del lines_after[:]
- del classes[:]
- template = os.path.join(tinfoil.config_data.getVar('COREBASE'), 'meta-skeleton', 'recipes-kernel', 'linux', 'linux-yocto-custom.bb')
- def handle_var(varname, origvalue, op, newlines):
- if varname in ['SRCREV', 'SRCREV_machine']:
- while newlines[-1].startswith('#'):
- del newlines[-1]
- try:
- stdout, _ = bb.process.run('git rev-parse HEAD', cwd=srctree, shell=True)
- except bb.process.ExecutionError as e:
- stdout = None
- if stdout:
- return stdout.strip(), op, 0, True
- elif varname == 'LINUX_VERSION':
- makefile = os.path.join(srctree, 'Makefile')
- if os.path.exists(makefile):
- kversion = -1
- kpatchlevel = -1
- ksublevel = -1
- kextraversion = ''
- with open(makefile, 'r', errors='surrogateescape') as f:
- for i, line in enumerate(f):
- if i > 10:
- break
- if line.startswith('VERSION ='):
- kversion = int(line.split('=')[1].strip())
- elif line.startswith('PATCHLEVEL ='):
- kpatchlevel = int(line.split('=')[1].strip())
- elif line.startswith('SUBLEVEL ='):
- ksublevel = int(line.split('=')[1].strip())
- elif line.startswith('EXTRAVERSION ='):
- kextraversion = line.split('=')[1].strip()
- version = ''
- if kversion > -1 and kpatchlevel > -1:
- version = '%d.%d' % (kversion, kpatchlevel)
- if ksublevel > -1:
- version += '.%d' % ksublevel
- version += kextraversion
- if version:
- return version, op, 0, True
- elif varname == 'SRC_URI':
- while newlines[-1].startswith('#'):
- del newlines[-1]
- elif varname == 'COMPATIBLE_MACHINE':
- while newlines[-1].startswith('#'):
- del newlines[-1]
- machine = tinfoil.config_data.getVar('MACHINE')
- return machine, op, 0, True
- return origvalue, op, 0, True
- with open(template, 'r') as f:
- varlist = ['SRCREV', 'SRCREV_machine', 'SRC_URI', 'LINUX_VERSION', 'COMPATIBLE_MACHINE']
- (_, newlines) = bb.utils.edit_metadata(f, varlist, handle_var)
- lines_before[:] = [line.rstrip('\n') for line in newlines]
- return True
- def register_recipe_handlers(handlers):
- handlers.append((KernelRecipeHandler(), 100))
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