linux - arch/arm64/kernel/Makefile

92 lines · 3.5 KiB

1	# SPDX-License-Identifier: GPL-2.0
2	#
3	# Makefile for the linux kernel.
4	#
5
6	CFLAGS_armv8_deprecated.o := -I$(src)
7
8	CFLAGS_REMOVE_ftrace.o = $(CC_FLAGS_FTRACE)
9	CFLAGS_REMOVE_insn.o = $(CC_FLAGS_FTRACE)
10	CFLAGS_REMOVE_return_address.o = $(CC_FLAGS_FTRACE)
11
12	# Remove stack protector to avoid triggering unneeded stack canary
13	# checks due to randomize_kstack_offset.
14	CFLAGS_REMOVE_syscall.o = -fstack-protector -fstack-protector-strong
15	CFLAGS_syscall.o += -fno-stack-protector
16
17	# When KASAN is enabled, a stack trace is recorded for every alloc/free, which
18	# can significantly impact performance. Avoid instrumenting the stack trace
19	# collection code to minimize this impact.
20	KASAN_SANITIZE_stacktrace.o := n
21
22	# It's not safe to invoke KCOV when portions of the kernel environment aren't
23	# available or are out-of-sync with HW state. Since `noinstr` doesn't always
24	# inhibit KCOV instrumentation, disable it for the entire compilation unit.
25	KCOV_INSTRUMENT_entry-common.o := n
26	KCOV_INSTRUMENT_idle.o := n
27
28	# Softirq stack switching can run outside interrupt context.
29	KCOV_INSTRUMENT_irq.o := n
30
31	# Object file lists.
32	obj-y := debug-monitors.o entry.o irq.o fpsimd.o \
33	entry-common.o process.o ptrace.o \
34	setup.o signal.o sys.o stacktrace.o time.o traps.o \
35	io.o vdso.o hyp-stub.o psci.o cpu_ops.o \
36	return_address.o cpuinfo.o cpu_errata.o \
37	cpufeature.o alternative.o cacheinfo.o \
38	smp.o smp_spin_table.o topology.o smccc-call.o \
39	syscall.o proton-pack.o idle.o patching.o pi/ \
40	jump_label.o
41
42	obj-$(CONFIG_COMPAT) += sys32.o signal32.o \
43	sys_compat.o
44	obj-$(CONFIG_COMPAT) += sigreturn32.o
45	obj-$(CONFIG_COMPAT_ALIGNMENT_FIXUPS) += compat_alignment.o
46	obj-$(CONFIG_KUSER_HELPERS) += kuser32.o
47	obj-$(CONFIG_FUNCTION_TRACER) += ftrace.o entry-ftrace.o
48	obj-$(CONFIG_MODULES) += module.o module-plts.o
49	obj-$(CONFIG_PERF_EVENTS) += perf_regs.o perf_callchain.o
50	obj-$(CONFIG_HARDLOCKUP_DETECTOR_PERF) += watchdog_hld.o
51	obj-$(CONFIG_HAVE_HW_BREAKPOINT) += hw_breakpoint.o
52	obj-$(CONFIG_HAVE_STATIC_CALL) += static_call.o
53	obj-$(CONFIG_CPU_PM) += sleep.o suspend.o
54	obj-$(CONFIG_KGDB) += kgdb.o
55	obj-$(CONFIG_EFI) += efi.o efi-rt-wrapper.o
56	obj-$(CONFIG_PCI) += pci.o
57	obj-$(CONFIG_ARMV8_DEPRECATED) += armv8_deprecated.o
58	obj-$(CONFIG_ACPI) += acpi.o
59	obj-$(CONFIG_ACPI_NUMA) += acpi_numa.o
60	obj-$(CONFIG_ARM64_ACPI_PARKING_PROTOCOL) += acpi_parking_protocol.o
61	obj-$(CONFIG_PARAVIRT) += paravirt.o
62	obj-$(CONFIG_RANDOMIZE_BASE) += kaslr.o
63	obj-$(CONFIG_HIBERNATION) += hibernate.o hibernate-asm.o
64	obj-$(CONFIG_ELF_CORE) += elfcore.o
65	obj-$(CONFIG_KEXEC_CORE) += machine_kexec.o relocate_kernel.o \
66	cpu-reset.o
67	obj-$(CONFIG_KEXEC_FILE) += machine_kexec_file.o kexec_image.o
68	obj-$(CONFIG_ARM64_RELOC_TEST) += arm64-reloc-test.o
69	arm64-reloc-test-y := reloc_test_core.o reloc_test_syms.o
70	obj-$(CONFIG_CRASH_DUMP) += crash_dump.o
71	obj-$(CONFIG_VMCORE_INFO) += vmcore_info.o
72	obj-$(CONFIG_ARM_SDE_INTERFACE) += sdei.o
73	obj-$(CONFIG_ARM64_PTR_AUTH) += pointer_auth.o
74	obj-$(CONFIG_ARM64_MPAM) += mpam.o
75	obj-$(CONFIG_ARM64_MTE) += mte.o
76	obj-y += vdso-wrap.o
77	obj-$(CONFIG_COMPAT_VDSO) += vdso32-wrap.o
78
79	# Force dependency (vdso*-wrap.S includes vdso.so through incbin)
80	$(obj)/vdso-wrap.o: $(obj)/vdso/vdso.so
81	$(obj)/vdso32-wrap.o: $(obj)/vdso32/vdso.so
82
83	obj-y += probes/
84	obj-y += head.o
85	always-$(KBUILD_BUILTIN) += vmlinux.lds
86
87	ifeq ($(CONFIG_DEBUG_EFI),y)
88	AFLAGS_head.o += -DVMLINUX_PATH="\"$(abspath vmlinux)\""
89	endif
90
91	# for cleaning
92	subdir- += vdso vdso32