We will start building overlays for platforms soon in the kernel and would need these tools going forward. Lets start building them. The fdtoverlay program applies (or merges) one ore more overlay dtb blobs to a base dtb blob. The kernel build system would later use fdtoverlay to generate the overlaid blobs based on platform specific configurations. The fdtdump program prints a readable version of a flat device-tree file. This is a very useful tool to analyze the details of the overlay's dtb and the final dtb produced by fdtoverlay after applying the overlay's dtb to a base dtb. Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx> --- V3: - Updated log - Remove libfdt_dir scripts/dtc/Makefile | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/scripts/dtc/Makefile b/scripts/dtc/Makefile index 4852bf44e913..472ab8cd590c 100644 --- a/scripts/dtc/Makefile +++ b/scripts/dtc/Makefile @@ -1,12 +1,17 @@ # SPDX-License-Identifier: GPL-2.0 # scripts/dtc makefile -hostprogs-always-$(CONFIG_DTC) += dtc +hostprogs-always-$(CONFIG_DTC) += dtc fdtdump fdtoverlay hostprogs-always-$(CHECK_DT_BINDING) += dtc dtc-objs := dtc.o flattree.o fstree.o data.o livetree.o treesource.o \ srcpos.o checks.o util.o dtc-objs += dtc-lexer.lex.o dtc-parser.tab.o +fdtdump-objs := fdtdump.o util.o + +libfdt-objs := fdt.o fdt_ro.o fdt_wip.o fdt_sw.o fdt_rw.o fdt_strerror.o fdt_empty_tree.o fdt_addresses.o fdt_overlay.o +libfdt = $(addprefix libfdt/,$(libfdt-objs)) +fdtoverlay-objs := $(libfdt) fdtoverlay.o util.o # Source files need to get at the userspace version of libfdt_env.h to compile HOST_EXTRACFLAGS += -I $(srctree)/$(src)/libfdt -- 2.25.0.rc1.19.g042ed3e048af
