diff options
| -rw-r--r-- | scripts/lib/recipetool/create_kernel.py | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/scripts/lib/recipetool/create_kernel.py b/scripts/lib/recipetool/create_kernel.py new file mode 100644 index 0000000000..c6e86bd2b9 --- /dev/null +++ b/scripts/lib/recipetool/create_kernel.py @@ -0,0 +1,99 @@ +# Recipe creation tool - kernel support plugin +# +# Copyright (C) 2016 Intel Corporation +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License version 2 as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program; if not, write to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + +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', True), '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') 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', True) + 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)) |