blob: 42ea5c9b6738383bc6f0039454c7a0aa5949d8cf [file] [log] [blame]
# SPDX-License-Identifier: GPL-2.0
#
# Makefile for Kernel-based Virtual Machine module, HYP/nVHE part
#
asflags-y := -D__KVM_NVHE_HYPERVISOR__
ccflags-y := -D__KVM_NVHE_HYPERVISOR__ -fno-stack-protector \
-DDISABLE_BRANCH_PROFILING $(DISABLE_STACKLEAK_PLUGIN)
obj-y := timer-sr.o sysreg-sr.o debug-sr.o switch.o tlb.o hyp-init.o
obj-y += ../vgic-v3-sr.o ../aarch32.o ../vgic-v2-cpuif-proxy.o ../entry.o \
../fpsimd.o ../hyp-entry.o
obj-y := $(patsubst %.o,%.hyp.o,$(obj-y))
extra-y := $(patsubst %.hyp.o,%.hyp.tmp.o,$(obj-y))
$(obj)/%.hyp.tmp.o: $(src)/%.c FORCE
$(call if_changed_rule,cc_o_c)
$(obj)/%.hyp.tmp.o: $(src)/%.S FORCE
$(call if_changed_rule,as_o_S)
$(obj)/%.hyp.o: $(obj)/%.hyp.tmp.o FORCE
$(call if_changed,hypcopy)
quiet_cmd_hypcopy = HYPCOPY $@
cmd_hypcopy = $(OBJCOPY) --prefix-symbols=__kvm_nvhe_ \
--rename-section=.text=.hyp.text \
$< $@
# Remove ftrace and Shadow Call Stack CFLAGS.
# This is equivalent to the 'notrace' and '__noscs' annotations.
KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_FTRACE) $(CC_FLAGS_SCS), $(KBUILD_CFLAGS))
# KVM nVHE code is run at a different exception code with a different map, so
# compiler instrumentation that inserts callbacks or checks into the code may
# cause crashes. Just disable it.
GCOV_PROFILE := n
KASAN_SANITIZE := n
UBSAN_SANITIZE := n
KCOV_INSTRUMENT := n
# Skip objtool checking for this directory because nVHE code is compiled with
# non-standard build rules.
OBJECT_FILES_NON_STANDARD := y