################################################################################
#
# Xen
#
################################################################################

XEN_VERSION = 4.21.1
XEN_SITE = https://downloads.xenproject.org/release/xen/$(XEN_VERSION)
XEN_SELINUX_MODULES = systemd udev xen
XEN_LICENSE = GPL-2.0
XEN_LICENSE_FILES = COPYING LICENSES/GPL-2.0
XEN_CPE_ID_VENDOR = xen
XEN_CPE_ID_PREFIX = cpe:2.3:o

XEN_DEPENDENCIES = \
	host-acpica \
	host-meson \
	host-pkgconf \
	host-python3 \
	host-python-distlib

# Calculate XEN_ARCH
ifeq ($(ARCH),aarch64)
XEN_ARCH = arm64
else ifeq ($(ARCH),arm)
XEN_ARCH = arm32
endif

XEN_CONF_OPTS = \
	--disable-golang \
	--disable-ocamltools \
	--with-initddir=/etc/init.d \
	--disable-werror

# Xen 4.20+ would normally fetch qemu-xen via git at build time; we
# pre-provide it via the qemu-xen package instead.
XEN_CONF_ENV = PYTHON=$(HOST_DIR)/bin/python3
XEN_MAKE_ENV = \
	XEN_TARGET_ARCH=$(XEN_ARCH) \
	CROSS_COMPILE=$(TARGET_CROSS) \
	HOST_EXTRACFLAGS="-Wno-error" \
	XEN_HAS_CHECKPOLICY=n \
	$(TARGET_CONFIGURE_OPTS)

ifeq ($(BR2_PACKAGE_XEN_HYPERVISOR),y)
XEN_MAKE_OPTS += dist-xen
XEN_INSTALL_IMAGES = YES
define XEN_INSTALL_IMAGES_CMDS
	cp $(@D)/xen/xen $(BINARIES_DIR)
endef
else
XEN_CONF_OPTS += --disable-xen
endif

ifeq ($(BR2_PACKAGE_XEN_TOOLS),y)
XEN_DEPENDENCIES += \
	dtc \
	libaio \
	libglib2 \
	ncurses \
	openssl \
	pixman \
	qemu-xen \
	slirp \
	util-linux \
	yajl
ifeq ($(BR2_PACKAGE_ARGP_STANDALONE),y)
XEN_DEPENDENCIES += argp-standalone
endif
XEN_INSTALL_TARGET_OPTS += DESTDIR=$(TARGET_DIR) install-tools
XEN_MAKE_OPTS += dist-tools
XEN_CONF_OPTS += --with-extra-qemuu-configure-args="--disable-sdl --disable-opengl"

# Place the pre-downloaded qemu-xen source where the Xen build expects it.
# This prevents Xen from trying to git-clone qemu-xen during the build.
# Use cp -a (not symlink) so meson can write into subprojects/.
define XEN_INSTALL_QEMU_XEN_SRC
	rm -rf $(@D)/tools/qemu-xen
	cp -a $(QEMU_XEN_DIR) $(@D)/tools/qemu-xen
endef
XEN_POST_EXTRACT_HOOKS += XEN_INSTALL_QEMU_XEN_SRC

define XEN_INSTALL_INIT_SYSV
	mv $(TARGET_DIR)/etc/init.d/xencommons $(TARGET_DIR)/etc/init.d/S50xencommons
	mv $(TARGET_DIR)/etc/init.d/xen-watchdog $(TARGET_DIR)/etc/init.d/S50xen-watchdog
	mv $(TARGET_DIR)/etc/init.d/xendomains $(TARGET_DIR)/etc/init.d/S60xendomains
endef
else
XEN_INSTALL_TARGET = NO
XEN_CONF_OPTS += --disable-tools
endif

$(eval $(autotools-package))