images: add rauc slot and rescue initramfs images

Add initramfs images for rauc slots.

Signed-off-by: Jan Luebbe <jluebbe@debian.org>

recipes-core/images/image-rauc-slot-initramfs.bb

@@ -0,0 +1,21 @@
+DESCRIPTION = "slot initramfs"
+
+PACKAGE_INSTALL = "initramfs-framework-base initramfs-module-debug initramfs-module-rauc-overlay busybox udev base-passwd ${ROOTFS_BOOTSTRAP_INSTALL}"
+
+# Do not pollute the initrd image with rootfs features
+#IMAGE_FEATURES = ""
+
+#export IMAGE_BASENAME = "core-image-minimal-initramfs"
+IMAGE_LINGUAS = ""
+
+LICENSE = "MIT"
+
+IMAGE_FSTYPES = "cpio.xz"
+# COMPRESS_CMD_xz = "xz -f -k -c ${XZ_COMPRESSION_LEVEL} ${XZ_THREADS} --check=${XZ_INTEGRITY_CHECK} ${IMAGE_NAME}.rootfs.${type} > ${IMAGE_NAME}.rootfs.${type}.xz"
+XZ_COMPRESSION_LEVEL = "-e -9 --lzma2=dict=512KiB"
+XZ_THREADS = "-T 0"
+XZ_INTEGRITY_CHECK = "crc32"
+
+inherit core-image
+
+BAD_RECOMMENDATIONS += "busybox-syslog"

recipes-core/images/image-rauc-slot-rescue.bb

@@ -0,0 +1,18 @@
+DESCRIPTION = "rescue initramfs"
+
+PACKAGE_INSTALL = "task-core-boot ${ROOTFS_PKGMANAGE_BOOTSTRAP} ${ROOTFS_PKGMANAGE} task-sysmocom-debug task-sysmocom-tools"
+
+IMAGE_LINGUAS = ""
+
+LICENSE = "MIT"
+
+IMAGE_FSTYPES = "cpio.xz"
+# COMPRESS_CMD_xz = "xz -f -k -c ${XZ_COMPRESSION_LEVEL} ${XZ_THREADS} --check=${XZ_INTEGRITY_CHECK} ${IMAGE_NAME}.rootfs.${type} > ${IMAGE_NAME}.rootfs.${type}.xz"
+XZ_COMPRESSION_LEVEL = "-e -9 --lzma2=dict=512KiB"
+XZ_THREADS = "-T 0"
+XZ_INTEGRITY_CHECK = "crc32"
+
+inherit core-image
+require recipes-apps/images/image-manifest.inc
+
+BAD_RECOMMENDATIONS += "busybox-syslog"