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# -*-makefile-*-
#
# Copyright (C) 2007 by Sascha Hauer
# (C) 2010 by Carsten Schlote
# (C) 2010 by Michael Olbrich <m.olbrich@pengutronix.de>
#
# See CREDITS for details about who has contributed to this project.
#
# For further information about the PTXdist project and license conditions
# see the README file.
#
#
# We provide this package
#
PACKAGES-$(PTXCONF_DTC) += dtc
DTC_VERSION := 1.0.0
# ----------------------------------------------------------------------------
# Target-Install
# ----------------------------------------------------------------------------
ptx/dtb = $(notdir $(basename $(strip $(1)))).dtb
ptx/dts = $(shell p=$(PTXCONF_DTC_OFTREE_DTS_PATH) ptxd_in_path p "$(strip $(1))" && echo "$${ptxd_reply}")
ifdef PTXCONF_DTC_OFTREE_DTS
DTC_OFTREE_DTS = $(foreach dts, $(call remove_quotes,$(PTXCONF_DTC_OFTREE_DTS)), \
$(if $(filter /%,$(dts)),$(dts),$(call ptx/dts,$(dts))))
endif
%.dtb: TMP_DTS = $(STATEDIR)/$(notdir $<).tmp
%.dtb: TMP_DEPS = $(PTXDIST_TEMPDIR)/dts.deps
%.dtb: DEPS = $(STATEDIR)/dtc.$(notdir $<).deps
%.dtb:
@$(call targetinfo)
@if [ -z "$(strip $<)" ]; then \
ptxd_bailout "Device-tree for `ptxd_print_path '$@'` undefined!"; \
fi
@if [ ! -e "$(strip $<)" ]; then \
ptxd_bailout "Device-tree '$<' not found!"; \
fi
@echo CPP `ptxd_print_path "$(TMP_DTS)"`
@cpp \
-Wp,-MD,$(TMP_DEPS) \
-Wp,-MT,$(TMP_DTS) \
-nostdinc \
-P \
-I$(dir $<) \
-I$(KERNEL_DIR)/arch/$(GENERIC_KERNEL_ARCH)/boot/dts \
-I$(KERNEL_DIR)/arch/$(GENERIC_KERNEL_ARCH)/boot/dts/include \
-I$(KERNEL_DIR)/include \
-undef -D__DTS__ -x assembler-with-cpp \
-o $(TMP_DTS) \
$<
@sed -e 's;^$(TMP_DTS):;$@:;' -e 's;^ \([^ ]*\); $$(wildcard \1);' $(TMP_DEPS) > $(DEPS)
@echo DTC `ptxd_print_path "$@"`
@if $(PTXCONF_SYSROOT_HOST)/bin/dtc -h 2>&1 | grep -q "^[[:space:]]\+-i\(,.*\)\?$$"; then \
dtc_include="-i $(dir $<) -i $(KERNEL_DIR)/arch/$(GENERIC_KERNEL_ARCH)/boot/dts"; \
fi; \
$(PTXCONF_SYSROOT_HOST)/bin/dtc \
$(call remove_quotes,$(PTXCONF_DTC_EXTRA_ARGS)) \
$$dtc_include \
-d $(TMP_DEPS) \
-I dts -O dtb -b 0 \
-o "$@" "$(TMP_DTS)"
@awk '{ \
printf "%s", $$1 ; \
for (i = 2; i <= NF; i++) { \
printf " $$(wildcard %s)", $$i; \
}; \
print "" \
}' $(TMP_DEPS) >> $(DEPS)
@$(call finish)
DTC_DTB = $(foreach dts, $(call remove_quotes,$(PTXCONF_DTC_OFTREE_DTS)), $(IMAGEDIR)/$(call ptx/dtb, $(dts)))
# make sure "ptxdist targetinstall kernel" generates a new device trees
$(STATEDIR)/kernel.targetinstall.post: $(DTC_DTB)
$(STATEDIR)/dtc.targetinstall: $(DTC_DTB)
@$(call targetinfo)
ifdef PTXCONF_DTC_INSTALL_OFTREE
@$(call install_init, dtc)
@$(call install_fixup, dtc, PRIORITY,optional)
@$(call install_fixup, dtc, SECTION,base)
@$(call install_fixup, dtc, AUTHOR,"Carsten Schlote <c.schlote@konzeptpark.de>")
@$(call install_fixup, dtc, DESCRIPTION, "oftree description for machine $(PTXCONF_PROJECT_VERSION)")
@$(call install_copy, dtc, 0, 0, 0755, /boot);
@$(foreach dtb, $(DTC_DTB), \
$(call install_copy, dtc, 0, 0, 0644, \
"$(dtb)", "/boot/$(notdir $(dtb))");)
@$(call install_finish, dtc)
endif
@$(call touch)
# vim: syntax=make
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