diff options
Diffstat (limited to 'scripts/Makefile.lib')
| -rw-r--r-- | scripts/Makefile.lib | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib index 5dfb4b6e46f..54403040f00 100644 --- a/scripts/Makefile.lib +++ b/scripts/Makefile.lib @@ -47,6 +47,13 @@ obj-m := $(filter-out %/, $(obj-m)) subdir-ym := $(sort $(subdir-y) $(subdir-m)) +# Expand $(foo-objs) $(foo-y) etc. by replacing their individuals +suffix-search = $(strip $(foreach s, $3, $($(1:%$(strip $2)=%$s)))) +# List composite targets that are constructed by combining other targets +multi-search = $(sort $(foreach m, $1, $(if $(call suffix-search, $m, $2, $3 -), $m))) +# List primitive targets that are compiled from source files +real-search = $(foreach m, $1, $(if $(call suffix-search, $m, $2, $3 -), $(call suffix-search, $m, $2, $3), $m)) + # if $(foo-objs) exists, foo.o is a composite object multi-used-y := $(sort $(foreach m,$(obj-y), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))), $(m)))) multi-used-m := $(sort $(foreach m,$(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))), $(m)))) @@ -58,6 +65,13 @@ single-used-m := $(sort $(filter-out $(multi-used-m),$(obj-m))) multi-objs-y := $(foreach m, $(multi-used-y), $($(m:.o=-objs)) $($(m:.o=-y))) multi-objs-m := $(foreach m, $(multi-used-m), $($(m:.o=-objs)) $($(m:.o=-y))) +# Composite DTB (i.e. DTB constructed by overlay) +multi-dtb-y := $(call multi-search, $(dtb-y), .dtb, -dtbs) +# Primitive DTB compiled from *.dts +real-dtb-y := $(call real-search, $(dtb-y), .dtb, -dtbs) +# Base DTB that overlay is applied onto (each first word of $(*-dtbs) expansion) +base-dtb-y := $(foreach m, $(multi-dtb-y), $(firstword $(call suffix-search, $m, .dtb, -dtbs))) + # $(subdir-obj-y) is the list of objects in $(obj-y) which uses dir/ to # tell kbuild to descend subdir-obj-y := $(filter %/built-in.o, $(obj-y)) @@ -69,6 +83,7 @@ real-objs-m := $(foreach m, $(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y) # Add subdir path extra-y := $(addprefix $(obj)/,$(extra-y)) +always-y := $(addprefix $(obj)/,$(always-y)) always := $(addprefix $(obj)/,$(always)) targets := $(addprefix $(obj)/,$(targets)) modorder := $(addprefix $(obj)/,$(modorder)) @@ -83,6 +98,8 @@ multi-used-y := $(addprefix $(obj)/,$(multi-used-y)) multi-used-m := $(addprefix $(obj)/,$(multi-used-m)) multi-objs-y := $(addprefix $(obj)/,$(multi-objs-y)) multi-objs-m := $(addprefix $(obj)/,$(multi-objs-m)) +multi-dtb-y := $(addprefix $(obj)/,$(multi-dtb-y)) +real-dtb-y := $(addprefix $(obj)/,$(real-dtb-y)) subdir-ym := $(addprefix $(obj)/,$(subdir-ym)) # These flags are needed for modversions and compiling, so we define them here @@ -301,6 +318,9 @@ endif DTC_FLAGS += $(DTC_FLAGS_$(basetarget)) +# Set -@ if the target is a base DTB that overlay is applied onto +DTC_FLAGS += $(if $(filter $(patsubst $(obj)/%,%,$@), $(base-dtb-y)), -@) + # Generate an assembly file to wrap the output of the device tree compiler quiet_cmd_dt_S_dtb= DTBS $@ # Modified for U-Boot @@ -422,6 +442,13 @@ cmd_dtco = mkdir -p $(dir ${dtc-tmp}) ; \ $(obj)/%.dtbo: $(src)/%.dtso $(DTC) FORCE $(call if_changed_dep,dtco) +quiet_cmd_fdtoverlay = DTOVL $@ + cmd_fdtoverlay = fdtoverlay -o $@ -i $(real-prereqs) + +$(multi-dtb-y): FORCE + $(call if_changed,fdtoverlay) +$(call multi_depend, $(multi-dtb-y), .dtb, -dtbs) + # Fonts # --------------------------------------------------------------------------- |