imx: hab: Check if CSF is valid before authenticating image

[people/ms/u-boot.git] / tools / fdt_host.h

diff --git a/tools/fdt_host.h b/tools/fdt_host.h
index c2b23c6217fce0ac39c9c91f758cd2b77dfdc64b..8d4aa066bb074497b335626f91eaf7e932233a20 100644 (file)
--- a/tools/fdt_host.h
+++ b/tools/fdt_host.h
@@ -11,4 +11,23 @@
 #include "../include/libfdt.h"
 #include "../include/fdt_support.h"
 
+/**
+ * fdt_remove_unused_strings() - Remove any unused strings from an FDT
+ *
+ * This creates a new device tree in @new with unused strings removed. The
+ * called can then use fdt_pack() to minimise the space consumed.
+ *
+ * @old:       Old device tree blog
+ * @new:       Place to put new device tree blob, which must be as large as
+ *             @old
+ * @return
+ *     0, on success
+ *     -FDT_ERR_BADOFFSET, corrupt device tree
+ *     -FDT_ERR_NOSPACE, out of space, which should not happen unless there
+ *             is something very wrong with the device tree input
+ */
+int fdt_remove_unused_strings(const void *old, void *new);
+
+int fit_check_sign(const void *working_fdt, const void *key);
+
 #endif /* __FDT_HOST_H__ */