This will make a separated section for dtb appear in ELF, and we can
then use objcopy to patch a dtb into vmlinuz when RAW_APPENDED_DTB
is set in kernel config.
command to patch a dtb:
objcopy --set-section-flags=.appended_dtb=alloc,contents \
--update-section=.appended_dtb=<target>.dtb vmlinuz
Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
CONSTRUCTORS
. = ALIGN(16);
}
- __appended_dtb = .;
- /* leave space for appended DTB */
- . += 0x100000;
+
+ .appended_dtb : {
+ __appended_dtb = .;
+ /* leave space for appended DTB */
+ . += 0x100000;
+ }
_edata = .;
/* End of data section */