add arm64 support

- add arm64 dependent codes with GICv3 and SVE support
- fix bugs based on architecture separation requests

arch/arm64/kernel/Makefile.arch

@@ -0,0 +1,27 @@
+# Makefile.arch COPYRIGHT FUJITSU LIMITED 2015-2017
+VDSO_SRCDIR = $(SRC)/../arch/$(IHKARCH)/kernel/vdso
+VDSO_SO_O = $(O)/vdso.so.o
+
+IHK_OBJS += assert.o cache.o cpu.o cputable.o context.o entry.o entry-fpsimd.o
+IHK_OBJS += fault.o head.o hyp-stub.o local.o perfctr.o perfctr_armv8pmu.o proc.o proc-macros.o
+IHK_OBJS += psci.o smp.o trampoline.o traps.o fpsimd.o
+IHK_OBJS += debug-monitors.o hw_breakpoint.o ptrace.o
+IHK_OBJS += $(notdir $(VDSO_SO_O)) memory.o syscall.o vdso.o
+
+IHK_OBJS += irq-gic-v2.o irq-gic-v3.o
+IHK_OBJS += memcpy.o memset.o
+IHK_OBJS += cpufeature.o
+
+# POSTK_DEBUG_ARCH_DEP_18 coredump arch separation.
+# IHK_OBJS added coredump.o
+IHK_OBJS += coredump.o
+
+$(VDSO_SO_O): $(VDSO_SRCDIR)/vdso.so
+
+$(VDSO_SRCDIR)/vdso.so: FORCE
+	$(call echo_cmd,BUILD VDSO,$(TARGET))
+	@mkdir -p $(O)/vdso
+	@TARGETDIR="$(TARGETDIR)" $(submake) -C $(VDSO_SRCDIR) $(SUBOPTS) prepare
+	@TARGETDIR="$(TARGETDIR)" $(submake) -C $(VDSO_SRCDIR) $(SUBOPTS)
+
+FORCE: