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rootfs.py: Run depmod(wrapper) against each compiled kernel

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We run depmod (through depmodwrapper) at the end of the rootfs
generation process. This part of the process assumes in its current
implementation that the kernel package name is always 'kernel' and that
there is only one set of kernel modules for which we need to generate
the modules.dep and map files.

The kernel package name can be configured via a variable
(KERNEL_PACKAGE_NAME) and becomes a namespace that enables the build
system to deal with multiple compiled kernel recipes. This patch checks
for all the depmod pkgdata and runs depmod for each of the detected
kernel versions/kernel package name.

(From OE-Core rev: efa88e1c227d695319197f511701e0230d301f39)

Signed-off-by: Andrei Gherzan <andrei.gherzan@huawei.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Andrei Gherzan
2022-09-10 00:04:25 +02:00
committed by Richard Purdie
parent 475639ba49
commit 5e4f3acbc8
1 changed files with 19 additions and 9 deletions
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28
meta/lib/oe/rootfs.py
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@@ -325,19 +325,29 @@ class Rootfs(object, metaclass=ABCMeta):
bb.note("No Kernel Modules found, not running depmod")
return
kernel_abi_ver_file = oe.path.join(self.d.getVar('PKGDATA_DIR'), "kernel-depmod",
'kernel-abiversion')
if not os.path.exists(kernel_abi_ver_file):
bb.fatal("No kernel-abiversion file found (%s), cannot run depmod, aborting" % kernel_abi_ver_file)
pkgdatadir = self.d.getVar('PKGDATA_DIR')
with open(kernel_abi_ver_file) as f:
kernel_ver = f.read().strip(' \n')
# PKGDATA_DIR can include multiple kernels so we run depmod for each
# one of them.
for direntry in os.listdir(pkgdatadir):
match = re.match('(.*)-depmod', direntry)
if not match:
continue
kernel_package_name = match.group(1)
versioned_modules_dir = os.path.join(self.image_rootfs, modules_dir, kernel_ver)
kernel_abi_ver_file = oe.path.join(pkgdatadir, direntry, kernel_package_name + '-abiversion')
if not os.path.exists(kernel_abi_ver_file):
bb.fatal("No kernel-abiversion file found (%s), cannot run depmod, aborting" % kernel_abi_ver_file)
bb.utils.mkdirhier(versioned_modules_dir)
with open(kernel_abi_ver_file) as f:
kernel_ver = f.read().strip(' \n')
self._exec_shell_cmd(['depmodwrapper', '-a', '-b', self.image_rootfs, kernel_ver])
versioned_modules_dir = os.path.join(self.image_rootfs, modules_dir, kernel_ver)
bb.utils.mkdirhier(versioned_modules_dir)
bb.note("Running depmodwrapper for %s ..." % versioned_modules_dir)
self._exec_shell_cmd(['depmodwrapper', '-a', '-b', self.image_rootfs, kernel_ver, kernel_package_name])
"""
Create devfs: