5 # Disable noisy checks by default
6 ifeq ($(findstring 1,$(DTC_VERBOSE)),)
7 DTC_FLAGS += -Wno-unit_address_vs_reg \
8 -Wno-unit_address_format \
9 -Wno-avoid_unnecessary_addr_size \
11 -Wno-graph_child_address \
13 -Wno-unique_unit_address \
17 ifneq ($(findstring 2,$(DTC_VERBOSE)),)
18 DTC_FLAGS += -Wnode_name_chars_strict \
19 -Wproperty_name_chars_strict
22 MAKEFLAGS += -rR --no-print-directory
24 ALL_ARCHES := $(patsubst src/%,%,$(wildcard src/*))
27 all: $(foreach i,$(ALL_ARCHES),all_$(i))
30 clean: $(foreach i,$(ALL_ARCHES),clean_$(i))
33 # o use make's built-in rules and variables
34 # (this increases performance and avoids hard-to-debug behaviour);
35 # o print "Entering directory ...";
36 MAKEFLAGS += -rR --no-print-directory
38 # To put more focus on warnings, be less verbose as default
39 # Use 'make V=1' to see the full commands
41 ifeq ("$(origin V)", "command line")
49 # ---------------------------------------------------------------------------
51 # Normally, we echo the whole command before executing it. By making
52 # that echo $($(quiet)$(cmd)), we now have the possibility to set
53 # $(quiet) to choose other forms of output instead, e.g.
55 # quiet_cmd_cc_o_c = Compiling $(RELDIR)/$@
56 # cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $<
58 # If $(quiet) is empty, the whole command will be printed.
59 # If it is set to "quiet_", only the short version will be printed.
60 # If it is set to "silent_", nothing will be printed at all, since
61 # the variable $(silent_cmd_cc_o_c) doesn't exist.
63 # A simple variant is to prefix commands with $(Q) - that's useful
64 # for commands that shall be hidden in non-verbose mode.
68 # If KBUILD_VERBOSE equals 0 then the above command will be hidden.
69 # If KBUILD_VERBOSE equals 1 then the above command is displayed.
71 ifeq ($(KBUILD_VERBOSE),1)
79 # If the user is running make -s (silent mode), suppress echoing of
82 ifneq ($(filter 4.%,$(MAKE_VERSION)),) # make-4
83 ifneq ($(filter %s ,$(firstword x$(MAKEFLAGS))),)
87 ifneq ($(filter s% -s%,$(MAKEFLAGS)),)
92 export quiet Q KBUILD_VERBOSE
95 $(Q)$(MAKE) ARCH=$* all_arch
98 $(Q)$(MAKE) ARCH=$* clean_arch
102 ALL_DTS := $(shell find src/* -name \*.dts)
103 ALL_DTSO := $(shell find src/* -name \*.dtso)
105 ALL_DTB := $(patsubst %.dts,%.dtb,$(ALL_DTS))
106 ALL_DTBO := $(patsubst %.dtso,%.dtbo,$(ALL_DTSO))
108 $(ALL_DTB) $(ALL_DTBO): ARCH=$(word 2,$(subst /, ,$@))
109 $(ALL_DTB) $(ALL_DTBO): FORCE
110 $(Q)$(MAKE) ARCH=$(ARCH) $@
114 ARCH_DTS := $(shell find src/$(ARCH) -name \*.dts)
115 ARCH_DTSO := $(shell find src/$(ARCH) -name \*.dtso)
117 ARCH_DTB := $(patsubst %.dts,%.dtb,$(ARCH_DTS))
118 ARCH_DTBO := $(patsubst %.dtso,%.dtbo,$(ARCH_DTSO))
123 include scripts/Kbuild.include
125 cmd_files := $(wildcard $(foreach f,$(ARCH_DTB) $(ARCH_DTBO),$(dir $(f)).$(notdir $(f)).cmd))
127 ifneq ($(cmd_files),)
131 quiet_cmd_clean = CLEAN $(obj)
132 cmd_clean = rm -f $(__clean-files)
134 dtc-tmp = $(subst $(comma),_,$(dot-target).dts.tmp)
136 dtc_cpp_flags = -Wp,-MD,$(depfile).pre.tmp -nostdinc \
137 -Iinclude -I$(src) -Isrc -Itestcase-data \
140 quiet_cmd_dtc = DTC $@
141 cmd_dtc = $(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \
142 $(DTC) -O dtb -o $@ -b 0 \
143 -i $(src) $(DTC_FLAGS) \
144 -d $(depfile).dtc.tmp $(dtc-tmp) ; \
145 cat $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile)
147 $(obj)/%.dtb: $(src)/%.dts FORCE
148 $(call if_changed_dep,dtc)
150 quiet_cmd_dtco = DTCO $@
151 cmd_dtco = $(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \
152 $(DTC) -@ -O dtb -o $@ -b 0 \
153 -i $(src) $(DTC_FLAGS) \
154 -d $(depfile).dtc.tmp $(dtc-tmp) ; \
155 cat $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile)
157 $(obj)/%.dtbo: $(src)/%.dtso FORCE
158 $(call if_changed_dep,dtco)
161 all_arch: $(ARCH_DTB) $(ARCH_DTBO)
164 RCS_FIND_IGNORE := \( -name SCCS -o -name BitKeeper -o -name .svn -o -name CVS \
165 -o -name .pc -o -name .hg -o -name .git \) -prune -o
168 clean_arch: __clean-files = $(ARCH_DTB) $(ARCH_DTBO)
171 @find . $(RCS_FIND_IGNORE) \
175 \) -type f -print | xargs rm -f
181 @echo " all: Build all device tree binaries for all architectures"
182 @echo " clean: Clean all generated files"
184 @echo " all_<ARCH>: Build all device tree binaries for <ARCH>"
185 @echo " clean_<ARCH>: Clean all generated files for <ARCH>"
187 @echo " src/<ARCH>/<DTS>.dtb Build a single device tree binary"
189 @echo "Architectures: $(ALL_ARCHES)"