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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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