XEN_ROOT = $(CURDIR)/../..
include $(XEN_ROOT)/tools/Rules.mk

# Caution: some tools/libs/*/Makefile generate header files directly in
# tools/include, and they do the [un]install actions for those, too.
# In case other headers need to be built cwin tools/include this should be
# taken into account, i.e. there should be no rules added here for generating
# any tools/include/*.h files.

.PHONY: all
all: xen-foreign xen-dir xen-xsm/.dir
ifeq ($(CONFIG_X86),y)
all: xen/lib/x86/all
endif

.PHONY: build
build: all

.PHONY: xen-foreign
xen-foreign:
	$(MAKE) -C xen-foreign

.PHONY: xen-dir
xen-dir:
	mkdir -p xen/libelf acpi
	find xen/ acpi/ -type l -exec rm '{}' +
	sed -e 's#@includedir@#$(includedir)/xen#g' xen.COPYING.in > xen/COPYING
	ln -s $(XEN_ROOT)/xen/include/public/*.h xen/
	ln -s $(XEN_ROOT)/xen/include/public/*/ xen/
	ln -s ../xen-sys/$(XEN_OS) xen/sys
	ln -s $(addprefix $(XEN_ROOT)/xen/include/xen/,libelf.h elfstructs.h) xen/libelf/
	ln -s ../xen-foreign xen/foreign
	ln -s $(XEN_ROOT)/xen/include/acpi/platform acpi/
	ln -s $(XEN_ROOT)/xen/include/acpi/ac*.h acpi/
ifeq ($(CONFIG_X86),y)
	ln -s $(XEN_ROOT)/xen/arch/x86/include/asm xen/
	mkdir -p xen/lib/x86
	ln -s $(filter-out %autogen.h,$(wildcard $(XEN_ROOT)/xen/include/xen/lib/x86/*.h)) xen/lib/x86/
	ln -s $(XEN_ROOT)/xen/include/xen/lib/x86/Makefile xen/lib/x86/
endif

.PHONY: xen/lib/x86/all
xen/lib/x86/all: xen-dir
	$(MAKE) -C xen/lib/x86 all XEN_ROOT=$(XEN_ROOT) PYTHON=$(PYTHON)

MKFLASK := $(XEN_ROOT)/xen/xsm/flask/policy/mkflask.sh
FLASK_H_DEPEND := $(XEN_ROOT)/xen/xsm/flask/policy/initial_sids

# Not xen/xsm as that clashes with link to
# $(XEN_ROOT)/xen/include/public/xsm above.
xen-xsm/.dir: $(MKFLASK) $(FLASK_H_DEPEND)
	mkdir -p xen-xsm/flask
	$(SHELL) $(MKFLASK) $(AWK) xen-xsm/flask $(FLASK_H_DEPEND)
	touch $@

.PHONY: install
install: all
	$(INSTALL_DIR) $(DESTDIR)$(includedir)/xen/arch-x86
	$(INSTALL_DIR) $(DESTDIR)$(includedir)/xen/arch-x86/hvm
	$(INSTALL_DIR) $(DESTDIR)$(includedir)/xen/arch-arm
	$(INSTALL_DIR) $(DESTDIR)$(includedir)/xen/arch-arm/hvm
	$(INSTALL_DIR) $(DESTDIR)$(includedir)/xen/foreign
	$(INSTALL_DIR) $(DESTDIR)$(includedir)/xen/hvm
	$(INSTALL_DIR) $(DESTDIR)$(includedir)/xen/io
	$(INSTALL_DIR) $(DESTDIR)$(includedir)/xen/sys
	$(INSTALL_DIR) $(DESTDIR)$(includedir)/xen/xsm
	$(INSTALL_DATA) xen/COPYING $(DESTDIR)$(includedir)/xen
	$(INSTALL_DATA) xen/*.h $(DESTDIR)$(includedir)/xen
	$(INSTALL_DATA) xen/arch-x86/*.h $(DESTDIR)$(includedir)/xen/arch-x86
	$(INSTALL_DATA) xen/arch-x86/hvm/*.h $(DESTDIR)$(includedir)/xen/arch-x86/hvm
	$(INSTALL_DATA) xen/arch-arm/*.h $(DESTDIR)$(includedir)/xen/arch-arm
	$(INSTALL_DATA) xen/arch-arm/hvm/*.h $(DESTDIR)$(includedir)/xen/arch-arm/hvm
	$(INSTALL_DATA) xen/foreign/*.h $(DESTDIR)$(includedir)/xen/foreign
	$(INSTALL_DATA) xen/hvm/*.h $(DESTDIR)$(includedir)/xen/hvm
	$(INSTALL_DATA) xen/io/*.h $(DESTDIR)$(includedir)/xen/io
	$(INSTALL_DATA) xen/sys/*.h $(DESTDIR)$(includedir)/xen/sys
	$(INSTALL_DATA) xen/xsm/*.h $(DESTDIR)$(includedir)/xen/xsm
	$(INSTALL_DATA) xen_list.h $(DESTDIR)$(includedir)

.PHONY: uninstall
uninstall:
	echo "[FIXME] uninstall headers"
	rm -rf $(DESTDIR)$(includedir)/xen
	rm -f $(DESTDIR)$(includedir)/xen_list.h

.PHONY: clean
clean:
	rm -rf xen xen-xsm acpi
	$(MAKE) -C xen-foreign clean
	rm -f _*.h

.PHONY: distclean
distclean: clean