1 files changed, 97 insertions, 0 deletions
diff --git a/arch/arm64/kernel/Makefile b/arch/arm64/kernel/Makefile
new file mode 100644
index 000000000..2f361a883
--- /dev/null
+++ b/arch/arm64/kernel/Makefile
@@ -0,0 +1,97 @@
+# SPDX-License-Identifier: GPL-2.0
+#
+# Makefile for the linux kernel.
+#
+
+CFLAGS_armv8_deprecated.o := -I$(src)
+
+CFLAGS_REMOVE_ftrace.o = $(CC_FLAGS_FTRACE)
+CFLAGS_REMOVE_insn.o = $(CC_FLAGS_FTRACE)
+CFLAGS_REMOVE_return_address.o = $(CC_FLAGS_FTRACE)
+
+# Remove stack protector to avoid triggering unneeded stack canary
+# checks due to randomize_kstack_offset.
+CFLAGS_REMOVE_syscall.o	 = -fstack-protector -fstack-protector-strong
+CFLAGS_syscall.o	+= -fno-stack-protector
+
+# When KASAN is enabled, a stack trace is recorded for every alloc/free, which
+# can significantly impact performance. Avoid instrumenting the stack trace
+# collection code to minimize this impact.
+KASAN_SANITIZE_stacktrace.o := n
+
+# It's not safe to invoke KCOV when portions of the kernel environment aren't
+# available or are out-of-sync with HW state. Since `noinstr` doesn't always
+# inhibit KCOV instrumentation, disable it for the entire compilation unit.
+KCOV_INSTRUMENT_entry-common.o := n
+KCOV_INSTRUMENT_idle.o := n
+
+# Object file lists.
+obj-y			:= debug-monitors.o entry.o irq.o fpsimd.o		\
+			   entry-common.o entry-fpsimd.o process.o ptrace.o	\
+			   setup.o signal.o sys.o stacktrace.o time.o traps.o	\
+			   io.o vdso.o hyp-stub.o psci.o cpu_ops.o		\
+			   return_address.o cpuinfo.o cpu_errata.o		\
+			   cpufeature.o alternative.o cacheinfo.o		\
+			   smp.o smp_spin_table.o topology.o smccc-call.o	\
+			   syscall.o proton-pack.o idreg-override.o idle.o	\
+			   patching.o
+
+targets			+= efi-entry.o
+
+OBJCOPYFLAGS := --prefix-symbols=__efistub_
+$(obj)/%.stub.o: $(obj)/%.o FORCE
+	$(call if_changed,objcopy)
+
+obj-$(CONFIG_COMPAT)			+= sys32.o signal32.o			\
+					   sys_compat.o
+obj-$(CONFIG_COMPAT)			+= sigreturn32.o
+obj-$(CONFIG_COMPAT_ALIGNMENT_FIXUPS)	+= compat_alignment.o
+obj-$(CONFIG_KUSER_HELPERS)		+= kuser32.o
+obj-$(CONFIG_FUNCTION_TRACER)		+= ftrace.o entry-ftrace.o
+obj-$(CONFIG_MODULES)			+= module.o
+obj-$(CONFIG_ARM64_MODULE_PLTS)		+= module-plts.o
+obj-$(CONFIG_PERF_EVENTS)		+= perf_regs.o perf_callchain.o
+obj-$(CONFIG_HW_PERF_EVENTS)		+= perf_event.o
+obj-$(CONFIG_HAVE_HW_BREAKPOINT)	+= hw_breakpoint.o
+obj-$(CONFIG_CPU_PM)			+= sleep.o suspend.o
+obj-$(CONFIG_CPU_IDLE)			+= cpuidle.o
+obj-$(CONFIG_JUMP_LABEL)		+= jump_label.o
+obj-$(CONFIG_KGDB)			+= kgdb.o
+obj-$(CONFIG_EFI)			+= efi.o efi-entry.stub.o		\
+					   efi-rt-wrapper.o
+obj-$(CONFIG_PCI)			+= pci.o
+obj-$(CONFIG_ARMV8_DEPRECATED)		+= armv8_deprecated.o
+obj-$(CONFIG_ACPI)			+= acpi.o
+obj-$(CONFIG_ACPI_NUMA)			+= acpi_numa.o
+obj-$(CONFIG_ARM64_ACPI_PARKING_PROTOCOL)	+= acpi_parking_protocol.o
+obj-$(CONFIG_PARAVIRT)			+= paravirt.o
+obj-$(CONFIG_RANDOMIZE_BASE)		+= kaslr.o pi/
+obj-$(CONFIG_HIBERNATION)		+= hibernate.o hibernate-asm.o
+obj-$(CONFIG_ELF_CORE)			+= elfcore.o
+obj-$(CONFIG_KEXEC_CORE)		+= machine_kexec.o relocate_kernel.o	\
+					   cpu-reset.o
+obj-$(CONFIG_KEXEC_FILE)		+= machine_kexec_file.o kexec_image.o
+obj-$(CONFIG_ARM64_RELOC_TEST)		+= arm64-reloc-test.o
+arm64-reloc-test-y := reloc_test_core.o reloc_test_syms.o
+obj-$(CONFIG_CRASH_DUMP)		+= crash_dump.o
+obj-$(CONFIG_CRASH_CORE)		+= crash_core.o
+obj-$(CONFIG_ARM_SDE_INTERFACE)		+= sdei.o
+obj-$(CONFIG_ARM64_PTR_AUTH)		+= pointer_auth.o
+obj-$(CONFIG_ARM64_MTE)			+= mte.o
+obj-y					+= vdso-wrap.o
+obj-$(CONFIG_COMPAT_VDSO)		+= vdso32-wrap.o
+
+# Force dependency (vdso*-wrap.S includes vdso.so through incbin)
+$(obj)/vdso-wrap.o: $(obj)/vdso/vdso.so
+$(obj)/vdso32-wrap.o: $(obj)/vdso32/vdso.so
+
+obj-y					+= probes/
+obj-y					+= head.o
+extra-y					+= vmlinux.lds
+
+ifeq ($(CONFIG_DEBUG_EFI),y)
+AFLAGS_head.o += -DVMLINUX_PATH="\"$(realpath $(objtree)/vmlinux)\""
+endif
+
+# for cleaning
+subdir- += vdso vdso32