[linux-block.git] / arch / arm64 / kernel / Makefile

# 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
Commit	Line	Data
b2441318	1	# SPDX-License-Identifier: GPL-2.0
8c2c3df3 CM	2	#
	3	# Makefile for the linux kernel.
	4	#
	5
d784e298	6	CFLAGS_armv8_deprecated.o := -I$(src)
8c2c3df3	7
edf072d3 TD	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)
819e50e2	11
70918779 KC	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
802b9111 AK	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
bf6fa2c0 MR	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.
e6f85cbe	25	KCOV_INSTRUMENT_entry-common.o := n
b5df5b83	26	KCOV_INSTRUMENT_idle.o := n
bf6fa2c0	27
8c2c3df3	28	# Object file lists.
2f328fea	29	obj-y := debug-monitors.o entry.o irq.o fpsimd.o \
ed3768db MR	30	entry-common.o entry-fpsimd.o process.o ptrace.o \
ed3768db MR	31	setup.o signal.o sys.o stacktrace.o time.o traps.o \
72fd7236	32	io.o vdso.o hyp-stub.o psci.o cpu_ops.o \
f5e0a12c	33	return_address.o cpuinfo.o cpu_errata.o \
4b3dc967	34	cpufeature.o alternative.o cacheinfo.o \
4141c857	35	smp.o smp_spin_table.o topology.o smccc-call.o \
181a1269 WD	36	syscall.o proton-pack.o idreg-override.o idle.o \
181a1269 WD	37	patching.o
8c2c3df3	38
b8f58ac7	39	targets += efi-entry.o
e8f3010f AB	40
	41	OBJCOPYFLAGS := --prefix-symbols=__efistub_
	42	$(obj)/%.stub.o: $(obj)/%.o FORCE
	43	$(call if_changed,objcopy)
	44
af1b3cf2	45	obj-$(CONFIG_COMPAT) += sys32.o signal32.o \
bfe801eb	46	sys_compat.o
bfe801eb	47	obj-$(CONFIG_COMPAT) += sigreturn32.o
3fc24ef3	48	obj-$(CONFIG_COMPAT_ALIGNMENT_FIXUPS) += compat_alignment.o
af1b3cf2	49	obj-$(CONFIG_KUSER_HELPERS) += kuser32.o
2f328fea MY	50	obj-$(CONFIG_FUNCTION_TRACER) += ftrace.o entry-ftrace.o
	51	obj-$(CONFIG_MODULES) += module.o
	52	obj-$(CONFIG_ARM64_MODULE_PLTS) += module-plts.o
	53	obj-$(CONFIG_PERF_EVENTS) += perf_regs.o perf_callchain.o
	54	obj-$(CONFIG_HW_PERF_EVENTS) += perf_event.o
	55	obj-$(CONFIG_HAVE_HW_BREAKPOINT) += hw_breakpoint.o
	56	obj-$(CONFIG_CPU_PM) += sleep.o suspend.o
	57	obj-$(CONFIG_CPU_IDLE) += cpuidle.o
	58	obj-$(CONFIG_JUMP_LABEL) += jump_label.o
	59	obj-$(CONFIG_KGDB) += kgdb.o
	60	obj-$(CONFIG_EFI) += efi.o efi-entry.stub.o \
7e611e7d	61	efi-rt-wrapper.o
2f328fea MY	62	obj-$(CONFIG_PCI) += pci.o
	63	obj-$(CONFIG_ARMV8_DEPRECATED) += armv8_deprecated.o
	64	obj-$(CONFIG_ACPI) += acpi.o
	65	obj-$(CONFIG_ACPI_NUMA) += acpi_numa.o
	66	obj-$(CONFIG_ARM64_ACPI_PARKING_PROTOCOL) += acpi_parking_protocol.o
	67	obj-$(CONFIG_PARAVIRT) += paravirt.o
aacd149b	68	obj-$(CONFIG_RANDOMIZE_BASE) += kaslr.o pi/
2f328fea	69	obj-$(CONFIG_HIBERNATION) += hibernate.o hibernate-asm.o
6dd8b1a0	70	obj-$(CONFIG_ELF_CORE) += elfcore.o
2f328fea	71	obj-$(CONFIG_KEXEC_CORE) += machine_kexec.o relocate_kernel.o \
d28f6df1	72	cpu-reset.o
2f328fea MY	73	obj-$(CONFIG_KEXEC_FILE) += machine_kexec_file.o kexec_image.o
2f328fea MY	74	obj-$(CONFIG_ARM64_RELOC_TEST) += arm64-reloc-test.o
214fad55	75	arm64-reloc-test-y := reloc_test_core.o reloc_test_syms.o
2f328fea MY	76	obj-$(CONFIG_CRASH_DUMP) += crash_dump.o
	77	obj-$(CONFIG_CRASH_CORE) += crash_core.o
	78	obj-$(CONFIG_ARM_SDE_INTERFACE) += sdei.o
2f328fea	79	obj-$(CONFIG_ARM64_PTR_AUTH) += pointer_auth.o
637ec831	80	obj-$(CONFIG_ARM64_MTE) += mte.o
a5b8ca97 MY	81	obj-y += vdso-wrap.o
a5b8ca97 MY	82	obj-$(CONFIG_COMPAT_VDSO) += vdso32-wrap.o
8c2c3df3	83
205f3991 JG	84	# Force dependency (vdso*-wrap.S includes vdso.so through incbin)
	85	$(obj)/vdso-wrap.o: $(obj)/vdso/vdso.so
	86	$(obj)/vdso32-wrap.o: $(obj)/vdso32/vdso.so
	87
a5b8ca97	88	obj-y += probes/
32164845 MY	89	obj-y += head.o
32164845 MY	90	extra-y += vmlinux.lds
757b435a AB	91
	92	ifeq ($(CONFIG_DEBUG_EFI),y)
	93	AFLAGS_head.o += -DVMLINUX_PATH="\"$(realpath $(objtree)/vmlinux)\""
	94	endif
8212f898 MY	95
	96	# for cleaning
	97	subdir- += vdso vdso32