1# SPDX-License-Identifier: GPL-2.0 2# 3# Makefile for the linux kernel. 4# 5 6CFLAGS_armv8_deprecated.o := -I$(src) 7 8CFLAGS_REMOVE_ftrace.o = $(CC_FLAGS_FTRACE) 9CFLAGS_REMOVE_insn.o = $(CC_FLAGS_FTRACE) 10CFLAGS_REMOVE_return_address.o = $(CC_FLAGS_FTRACE) 11 12# Remove stack protector to avoid triggering unneeded stack canary 13# checks due to randomize_kstack_offset. 14CFLAGS_REMOVE_syscall.o = -fstack-protector -fstack-protector-strong 15CFLAGS_syscall.o += -fno-stack-protector 16 17# It's not safe to invoke KCOV when portions of the kernel environment aren't 18# available or are out-of-sync with HW state. Since `noinstr` doesn't always 19# inhibit KCOV instrumentation, disable it for the entire compilation unit. 20KCOV_INSTRUMENT_entry-common.o := n 21KCOV_INSTRUMENT_idle.o := n 22 23# Object file lists. 24obj-y := debug-monitors.o entry.o irq.o fpsimd.o \ 25 entry-common.o entry-fpsimd.o process.o ptrace.o \ 26 setup.o signal.o sys.o stacktrace.o time.o traps.o \ 27 io.o vdso.o hyp-stub.o psci.o cpu_ops.o \ 28 return_address.o cpuinfo.o cpu_errata.o \ 29 cpufeature.o alternative.o cacheinfo.o \ 30 smp.o smp_spin_table.o topology.o smccc-call.o \ 31 syscall.o proton-pack.o idreg-override.o idle.o \ 32 patching.o 33 34targets += efi-entry.o 35 36OBJCOPYFLAGS := --prefix-symbols=__efistub_ 37$(obj)/%.stub.o: $(obj)/%.o FORCE 38 $(call if_changed,objcopy) 39 40obj-$(CONFIG_COMPAT) += sys32.o signal32.o \ 41 sys_compat.o 42obj-$(CONFIG_COMPAT) += sigreturn32.o 43obj-$(CONFIG_KUSER_HELPERS) += kuser32.o 44obj-$(CONFIG_FUNCTION_TRACER) += ftrace.o entry-ftrace.o 45obj-$(CONFIG_MODULES) += module.o 46obj-$(CONFIG_ARM64_MODULE_PLTS) += module-plts.o 47obj-$(CONFIG_PERF_EVENTS) += perf_regs.o perf_callchain.o 48obj-$(CONFIG_HW_PERF_EVENTS) += perf_event.o 49obj-$(CONFIG_HAVE_HW_BREAKPOINT) += hw_breakpoint.o 50obj-$(CONFIG_CPU_PM) += sleep.o suspend.o 51obj-$(CONFIG_CPU_IDLE) += cpuidle.o 52obj-$(CONFIG_JUMP_LABEL) += jump_label.o 53obj-$(CONFIG_KGDB) += kgdb.o 54obj-$(CONFIG_EFI) += efi.o efi-entry.stub.o \ 55 efi-rt-wrapper.o 56obj-$(CONFIG_PCI) += pci.o 57obj-$(CONFIG_ARMV8_DEPRECATED) += armv8_deprecated.o 58obj-$(CONFIG_ACPI) += acpi.o 59obj-$(CONFIG_ACPI_NUMA) += acpi_numa.o 60obj-$(CONFIG_ARM64_ACPI_PARKING_PROTOCOL) += acpi_parking_protocol.o 61obj-$(CONFIG_PARAVIRT) += paravirt.o 62obj-$(CONFIG_RANDOMIZE_BASE) += kaslr.o 63obj-$(CONFIG_HIBERNATION) += hibernate.o hibernate-asm.o 64obj-$(CONFIG_ELF_CORE) += elfcore.o 65obj-$(CONFIG_KEXEC_CORE) += machine_kexec.o relocate_kernel.o \ 66 cpu-reset.o 67obj-$(CONFIG_KEXEC_FILE) += machine_kexec_file.o kexec_image.o 68obj-$(CONFIG_ARM64_RELOC_TEST) += arm64-reloc-test.o 69arm64-reloc-test-y := reloc_test_core.o reloc_test_syms.o 70obj-$(CONFIG_CRASH_DUMP) += crash_dump.o 71obj-$(CONFIG_CRASH_CORE) += crash_core.o 72obj-$(CONFIG_ARM_SDE_INTERFACE) += sdei.o 73obj-$(CONFIG_ARM64_PTR_AUTH) += pointer_auth.o 74obj-$(CONFIG_ARM64_MTE) += mte.o 75obj-y += vdso-wrap.o 76obj-$(CONFIG_COMPAT_VDSO) += vdso32-wrap.o 77 78obj-y += probes/ 79head-y := head.o 80extra-y += $(head-y) vmlinux.lds 81 82ifeq ($(CONFIG_DEBUG_EFI),y) 83AFLAGS_head.o += -DVMLINUX_PATH="\"$(realpath $(objtree)/vmlinux)\"" 84endif 85 86# for cleaning 87subdir- += vdso vdso32 88