1 files changed, 23 insertions, 0 deletions
diff --git a/conf/machine/tdx-utilities.inc b/conf/machine/tdx-utilities.inc
new file mode 100644
index 0000000..a1c4a22
--- /dev/null
+++ b/conf/machine/tdx-utilities.inc
@@ -0,0 +1,23 @@
+# taken from meta-freescale/conf/machine/include/utilities.inc
+def make_dtb_boot_files(d):
+    # Generate IMAGE_BOOT_FILES entries for device tree files listed in
+    # KERNEL_DEVICETREE.
+    # Use only the basename for dtb files:
+    alldtbs = d.getVar('KERNEL_DEVICETREE')
+
+
+    # DTBs may be built out of kernel with devicetree.bbclass
+    if not alldtbs:
+        return ''
+
+    def transform(dtb):
+        if not (dtb.endswith('dtb') or dtb.endswith('dtbo')):
+            # eg: whatever/bcm2708-rpi-b.dtb has:
+            #     DEPLOYDIR file: bcm2708-rpi-b.dtb
+            #     destination: bcm2708-rpi-b.dtb
+            bb.error("KERNEL_DEVICETREE entry %s is not a .dtb or .dtbo file." % (dtb) )
+        return os.path.basename(dtb)
+
+    return ' '.join([transform(dtb) for dtb in alldtbs.split() if dtb])
+
+