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-rw-r--r--meta/conf/local.conf.sample1
-rw-r--r--meta/conf/local.conf.sample.extended22
2 files changed, 23 insertions, 0 deletions
diff --git a/meta/conf/local.conf.sample b/meta/conf/local.conf.sample
index 2b078d081e..4030492c89 100644
--- a/meta/conf/local.conf.sample
+++ b/meta/conf/local.conf.sample
@@ -145,6 +145,7 @@ EXTRA_IMAGE_FEATURES = "debug-tweaks"
# NOTE: mklibs also needs to be explicitly enabled for a given image, see local.conf.extended
USER_CLASSES ?= "buildstats image-mklibs image-prelink"
+
#
# Runtime testing of images
#
diff --git a/meta/conf/local.conf.sample.extended b/meta/conf/local.conf.sample.extended
index 23a79dcc26..1db1a0b87c 100644
--- a/meta/conf/local.conf.sample.extended
+++ b/meta/conf/local.conf.sample.extended
@@ -237,3 +237,25 @@ FORTRAN_forcevariable = ",fortran"
RUNTIMETARGET_append_pn-gcc-runtime = " libquadmath libgfortran"
export BUILD_FC = "${CCACHE}${BUILD_PREFIX}gfortran ${BUILD_CC_ARCH}"
export FC = "${CCACHE}${HOST_PREFIX}gfortran ${HOST_CC_ARCH}"
+
+#
+# Kernel image features
+#
+# The INITRAMFS_IMAGE image variable will cause an additional recipe to
+# be built as a dependency to the what ever rootfs recipe you might be
+# using such as core-image-sato. The initramfs might be needed for
+# the initial boot of of the target system such as to load kernel
+# modules prior to mounting the root file system.
+#
+# INITRAMFS_IMAGE_BUNDLE variable controls if the image recipe
+# specified by the INITRAMFS_IMAGE will be run through an extra pass
+# through the kernel compilation in order to build a single binary
+# which contains both the kernel image and the initramfs. The
+# combined binary will be deposited into the tmp/deploy directory.
+# NOTE: You can set INITRAMFS_IMAGE in an image recipe, but
+# INITRAMFS_IMAGE_BUNDLE can only be set in a conf file.
+#
+#INITRAMFS_IMAGE = "core-image-minimal-initramfs"
+#INITRAMFS_IMAGE_BUNDLE = "1"
+
+