classes: Update classes to match new bitbake class scope functionality

Move classes to classes-global or classes-recipe as appropriate to take
advantage of new bitbake functionality to check class scope/usage.

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 27 insertions, 0 deletions

diff --git a/meta/classes-recipe/module-base.bbclass b/meta/classes-recipe/module-base.bbclass
new file mode 100644
index 0000000000..094b563b1a
--- /dev/null
+++ b/meta/classes-recipe/module-base.bbclass
@@ -0,0 +1,27 @@
+#
+# Copyright OpenEmbedded Contributors
+#
+# SPDX-License-Identifier: MIT
+#
+
+inherit kernel-arch
+
+# We do the dependency this way because the output is not preserved
+# in sstate, so we must force do_compile to run (once).
+do_configure[depends] += "make-mod-scripts:do_compile"
+
+export OS = "${TARGET_OS}"
+export CROSS_COMPILE = "${TARGET_PREFIX}"
+
+# This points to the build artefacts from the main kernel build
+# such as .config and System.map
+# Confusingly it is not the module build output (which is ${B}) but
+# we didn't pick the name.
+export KBUILD_OUTPUT = "${STAGING_KERNEL_BUILDDIR}"
+
+export KERNEL_VERSION = "${@oe.utils.read_file('${STAGING_KERNEL_BUILDDIR}/kernel-abiversion')}"
+KERNEL_OBJECT_SUFFIX = ".ko"
+
+# kernel modules are generally machine specific
+PACKAGE_ARCH = "${MACHINE_ARCH}"
+