Please define CONFIG_ARCH_DEVICE_TREE))
# We preprocess the device tree file provide a useful define
-DTS_CPPFLAGS := -DARCH_CPU_DTS=\"$(SRCTREE)/arch/$(ARCH)/dts/$(CONFIG_ARCH_DEVICE_TREE).dtsi\"
+DTS_CPPFLAGS := -x assembler-with-cpp \
+ -DARCH_CPU_DTS=\"$(SRCTREE)/arch/$(ARCH)/dts/$(CONFIG_ARCH_DEVICE_TREE).dtsi\" \
+ -DBOARD_DTS=\"$(SRCTREE)/board/$(VENDOR)/$(BOARD)/dts/$(DEVICE_TREE).dts\" \
+ -I$(SRCTREE)/board/$(VENDOR)/dts -I$(SRCTREE)/arch/$(ARCH)/dts
all: $(obj).depend $(LIB)
DT_BIN := $(obj)dt.dtb
$(DT_BIN): $(TOPDIR)/board/$(VENDOR)/dts/$(DEVICE_TREE).dts
- cat $< | $(CPP) -P $(DTS_CPPFLAGS) - >$@.tmp
- $(DTC) -R 4 -p 0x1000 -O dtb -o ${DT_BIN} $@.tmp
- rm $@.tmp
+ rc=$$( \
+ cat $< | $(CPP) -P $(DTS_CPPFLAGS) - | \
+ { { $(DTC) -R 4 -p 0x1000 -O dtb -o ${DT_BIN} - 2>&1 ; \
+ echo $$? >&3 ; } | \
+ grep -v '^DTC: dts->dtb on file' ; \
+ } 3>&1 1>&2 ) ; \
+ exit $$rc
process_lds = \
$(1) | sed -r -n 's/^OUTPUT_$(2)[ ("]*([^")]*).*/\1/p'
# We look in the LDSCRIPT first.
# Then try the linker which should give us the answer.
# Then check it worked.
- oformat=`$(call process_lds,cat $(LDSCRIPT),FORMAT)` ;\
- oarch=`$(call process_lds,cat $(LDSCRIPT),ARCH)` ;\
+ [ -n "$(LDSCRIPT)" ] && \
+ oformat=`$(call process_lds,cat $(LDSCRIPT),FORMAT)` && \
+ oarch=`$(call process_lds,cat $(LDSCRIPT),ARCH)` ;\
\
[ -z $${oformat} ] && \
oformat=`$(call process_lds,$(GET_LDS),FORMAT)` ;\