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# SPDX-License-Identifier: GPL-2.0
KVM := ../../../../virt/kvm
KVM_DEV_NAME = kvm_arm64
KVM_DEV_MINOR = MISC_DYNAMIC_MINOR
include $(srctree)/virt/kvm/Makefile.kvm
include $(srctree)/arch/$(SRCARCH)/kvm/gmap/Makefile
include $(src)/Makefile.gen
ccflags-y += -I $(src) -I $(objtree)/$(obj) -I$(srctree)/arch/$(SRCARCH)/kvm/gmap -DKVM_S390_ARM64
kvm-arm64-local := \
arm.o \
guest.o \
handle_exit.o \
inject_fault.o \
mmio.o \
mmu.o \
reset.o
kvm-arm64-obj := $(kvm-arm64-local)
kvm-arm64-obj += $(patsubst %.o,%-arm64.o,$(kvm-y))
kvm-arm64-obj += $(patsubst %.o,%-arm64.o,$(gmap-y))
targets += $(kvm-arm64-obj)
$(obj)/%-arm64.o: $(src)/%.c FORCE
@mkdir -p $(dir $@)
$(call if_changed_rule,cc_o_c)
$(call cmd,force_checksrc)
# %-arm64.o stems don't match any kvm-arm64-y entry so Kbuild derives wrong
# KBUILD_MODNAME/KBUILD_MODFILE. Force include a generated header to override.
KVM_ARM64_MODNAME_H := $(obj)/generated/kvm_arm64_modname.h
ccflags-y += -include $(KVM_ARM64_MODNAME_H)
$(addprefix $(obj)/,$(kvm-arm64-obj)): $(KVM_ARM64_MODNAME_H)
$(foreach sfx, i s ll lst, \
$(eval $(patsubst %.o,%.$(sfx),$(addprefix $(obj)/,$(kvm-arm64-local))): $(KVM_ARM64_MODNAME_H)))
targets += generated/kvm_arm64_modname.h
define filechk_kvm_arm64_modname
echo '#ifndef __KVM_ARM64_MODNAME_H'; \
echo '#define __KVM_ARM64_MODNAME_H'; \
echo '#undef KBUILD_MODNAME'; \
echo '#define KBUILD_MODNAME "$(KVM_DEV_NAME)"'; \
echo '#undef __KBUILD_MODNAME'; \
echo '#define __KBUILD_MODNAME $(KVM_DEV_NAME)'; \
echo '#undef KBUILD_MODFILE'; \
echo '#define KBUILD_MODFILE "$(obj)/kvm-arm64"'; \
echo '#endif /* __KVM_ARM64_MODNAME_H */'
endef
$(KVM_ARM64_MODNAME_H): FORCE
$(call filechk,kvm_arm64_modname)
# Members are not in real-obj-y. Set part-of-builtin to enable instrumentation.
$(addprefix $(obj)/,$(kvm-arm64-obj)): private part-of-builtin := y
ifeq ($(CONFIG_KVM),m)
kvm-arm64-y = $(kvm-arm64-obj)
else ifeq ($(CONFIG_KVM),y)
prereq-o-cmd = $(foreach o, $(filter %.o, $^), $(dir $(o)).$(notdir $(o)).cmd)
cmd_gen_symversions_o = \
grep --no-filename "^\#SYMVER" $(prereq-o-cmd) >> $(dot-target).cmd || true
cmd_ld_o_o = $(cmd_ld)
define rule_ld_o_o
$(call cmd_and_savecmd,ld)
$(call cmd,gen_symversions_o)
endef
LDFLAGS_kvm-unnamespaced.o := -r
$(obj)/kvm-unnamespaced.o: $(addprefix $(obj)/,$(kvm-arm64-obj)) FORCE
$(call if_changed_rule,ld_o_o)
quiet_cmd_nm_filter = NMFLTR $@
cmd_nm_filter = $(NM) --defined-only --format=just-symbols $< | sort -u > $@
$(obj)/kvm_symbol_list: $(obj)/kvm-unnamespaced.o FORCE
$(call if_changed,nm_filter)
# cmd_oc_o_o carries -DKBUILD_MODFILE so generate_builtin_ranges.awk
# can attribute kvm-namespaced.o to kvm_arm64 via its .cmd file.
cmd_oc_o_o = $(cmd_objcopy) -DKBUILD_MODFILE='"$(obj)/kvm-arm64"'
define rule_oc_o_o
$(call cmd,objcopy)
@printf '%s\n' 'savedcmd_$@ := $(call make-cmd,oc_o_o)' > $(dot-target).cmd
$(call cmd,gen_objtooldep)
$(call cmd,gen_symversions_o)
endef
OBJCOPYFLAGS_kvm-namespaced.o := -O $(LD_BFD) --localize-symbols=$(obj)/kvm_symbol_list
$(obj)/kvm-namespaced.o: $(obj)/kvm-unnamespaced.o $(obj)/kvm_symbol_list FORCE
$(call if_changed_rule,oc_o_o)
kvm-arm64-y = kvm-namespaced.o
targets += kvm-unnamespaced.o kvm_symbol_list kvm-namespaced.o
endif
clean-files += kvm-unnamespaced.o kvm_symbol_list kvm-namespaced.o
obj-$(CONFIG_KVM) += kvm-arm64.o
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