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Greg Kroah-Hartmanb2441312017-11-01 15:07:57 +01001# SPDX-License-Identifier: GPL-2.0
Catalin Marinas8c2c3df2012-04-20 14:45:54 +01002#
3# Makefile for the linux kernel.
4#
5
Punit Agrawald784e292014-11-18 11:41:27 +00006CFLAGS_armv8_deprecated.o := -I$(src)
Catalin Marinas8c2c3df2012-04-20 14:45:54 +01007
Torsten Duweedf072d2019-02-08 16:10:07 +01008CFLAGS_REMOVE_ftrace.o = $(CC_FLAGS_FTRACE)
9CFLAGS_REMOVE_insn.o = $(CC_FLAGS_FTRACE)
10CFLAGS_REMOVE_return_address.o = $(CC_FLAGS_FTRACE)
AKASHI Takahiro819e50e2014-04-30 18:54:33 +090011
Kees Cook70918772021-04-01 16:23:46 -070012# 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
Andrey Konovalov802b9112022-05-23 16:51:51 +020017# 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.
20KASAN_SANITIZE_stacktrace.o := n
21
Mark Rutlandbf6fa2c02021-06-07 10:46:23 +010022# 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.
Mark Rutlande6f85cb2021-07-15 13:30:49 +010025KCOV_INSTRUMENT_entry-common.o := n
Mark Rutlandb5df5b82021-06-07 10:46:24 +010026KCOV_INSTRUMENT_idle.o := n
Mark Rutlandbf6fa2c02021-06-07 10:46:23 +010027
Catalin Marinas8c2c3df2012-04-20 14:45:54 +010028# Object file lists.
Masahiro Yamada2f328fe2019-01-04 09:18:41 +090029obj-y := debug-monitors.o entry.o irq.o fpsimd.o \
Mark Rutlanded3768d2019-10-25 17:42:13 +010030 entry-common.o entry-fpsimd.o process.o ptrace.o \
31 setup.o signal.o sys.o stacktrace.o time.o traps.o \
Julien Thierry72fd7232021-03-03 18:05:32 +010032 io.o vdso.o hyp-stub.o psci.o cpu_ops.o \
Will Deaconf5e0a122015-02-25 12:10:35 +000033 return_address.o cpuinfo.o cpu_errata.o \
Will Deacon4b3dc962015-05-29 18:28:44 +010034 cpufeature.o alternative.o cacheinfo.o \
Mark Rutland4141c852018-07-11 14:56:43 +010035 smp.o smp_spin_table.o topology.o smccc-call.o \
Ard Biesheuvele223a442024-02-14 13:28:50 +010036 syscall.o proton-pack.o idle.o patching.o pi/
Catalin Marinas8c2c3df2012-04-20 14:45:54 +010037
Vincenzo Frascinoaf1b3cf2019-04-15 10:49:37 +010038obj-$(CONFIG_COMPAT) += sys32.o signal32.o \
Vincenzo Frascinobfe801e2019-06-21 10:52:42 +010039 sys_compat.o
Vincenzo Frascinobfe801e2019-06-21 10:52:42 +010040obj-$(CONFIG_COMPAT) += sigreturn32.o
Ard Biesheuvel3fc24ef2022-07-01 15:53:22 +020041obj-$(CONFIG_COMPAT_ALIGNMENT_FIXUPS) += compat_alignment.o
Vincenzo Frascinoaf1b3cf2019-04-15 10:49:37 +010042obj-$(CONFIG_KUSER_HELPERS) += kuser32.o
Masahiro Yamada2f328fe2019-01-04 09:18:41 +090043obj-$(CONFIG_FUNCTION_TRACER) += ftrace.o entry-ftrace.o
Mark Rutlandea3752b2023-05-30 12:03:27 +010044obj-$(CONFIG_MODULES) += module.o module-plts.o
Masahiro Yamada2f328fe2019-01-04 09:18:41 +090045obj-$(CONFIG_PERF_EVENTS) += perf_regs.o perf_callchain.o
Lecopzer Chen94946f92023-05-19 10:18:41 -070046obj-$(CONFIG_HARDLOCKUP_DETECTOR_PERF) += watchdog_hld.o
Masahiro Yamada2f328fe2019-01-04 09:18:41 +090047obj-$(CONFIG_HAVE_HW_BREAKPOINT) += hw_breakpoint.o
48obj-$(CONFIG_CPU_PM) += sleep.o suspend.o
Masahiro Yamada2f328fe2019-01-04 09:18:41 +090049obj-$(CONFIG_JUMP_LABEL) += jump_label.o
50obj-$(CONFIG_KGDB) += kgdb.o
Ard Biesheuvel4ef80602022-10-17 17:14:41 +020051obj-$(CONFIG_EFI) += efi.o efi-rt-wrapper.o
Masahiro Yamada2f328fe2019-01-04 09:18:41 +090052obj-$(CONFIG_PCI) += pci.o
53obj-$(CONFIG_ARMV8_DEPRECATED) += armv8_deprecated.o
54obj-$(CONFIG_ACPI) += acpi.o
55obj-$(CONFIG_ACPI_NUMA) += acpi_numa.o
56obj-$(CONFIG_ARM64_ACPI_PARKING_PROTOCOL) += acpi_parking_protocol.o
57obj-$(CONFIG_PARAVIRT) += paravirt.o
Ard Biesheuvel734958e2024-02-14 13:28:49 +010058obj-$(CONFIG_RANDOMIZE_BASE) += kaslr.o
Masahiro Yamada2f328fe2019-01-04 09:18:41 +090059obj-$(CONFIG_HIBERNATION) += hibernate.o hibernate-asm.o
Catalin Marinas6dd8b1a2022-01-31 16:54:55 +000060obj-$(CONFIG_ELF_CORE) += elfcore.o
Masahiro Yamada2f328fe2019-01-04 09:18:41 +090061obj-$(CONFIG_KEXEC_CORE) += machine_kexec.o relocate_kernel.o \
Geoff Levandd28f6df2016-06-23 17:54:48 +000062 cpu-reset.o
Masahiro Yamada2f328fe2019-01-04 09:18:41 +090063obj-$(CONFIG_KEXEC_FILE) += machine_kexec_file.o kexec_image.o
64obj-$(CONFIG_ARM64_RELOC_TEST) += arm64-reloc-test.o
Ard Biesheuvel214fad52017-03-31 08:55:33 +010065arm64-reloc-test-y := reloc_test_core.o reloc_test_syms.o
Masahiro Yamada2f328fe2019-01-04 09:18:41 +090066obj-$(CONFIG_CRASH_DUMP) += crash_dump.o
Baoquan He443cbaf2024-01-24 13:12:42 +080067obj-$(CONFIG_VMCORE_INFO) += vmcore_info.o
Masahiro Yamada2f328fe2019-01-04 09:18:41 +090068obj-$(CONFIG_ARM_SDE_INTERFACE) += sdei.o
Masahiro Yamada2f328fe2019-01-04 09:18:41 +090069obj-$(CONFIG_ARM64_PTR_AUTH) += pointer_auth.o
Vincenzo Frascino637ec832019-09-16 11:51:17 +010070obj-$(CONFIG_ARM64_MTE) += mte.o
Masahiro Yamadaa5b8ca972020-12-18 11:45:40 +090071obj-y += vdso-wrap.o
72obj-$(CONFIG_COMPAT_VDSO) += vdso32-wrap.o
Catalin Marinas8c2c3df2012-04-20 14:45:54 +010073
Joey Gouly205f3992022-05-10 11:27:21 +010074# Force dependency (vdso*-wrap.S includes vdso.so through incbin)
75$(obj)/vdso-wrap.o: $(obj)/vdso/vdso.so
76$(obj)/vdso32-wrap.o: $(obj)/vdso32/vdso.so
77
Masahiro Yamadaa5b8ca972020-12-18 11:45:40 +090078obj-y += probes/
Masahiro Yamada32164842022-09-25 03:19:14 +090079obj-y += head.o
80extra-y += vmlinux.lds
Ard Biesheuvel757b4352017-02-02 17:33:19 +000081
82ifeq ($(CONFIG_DEBUG_EFI),y)
83AFLAGS_head.o += -DVMLINUX_PATH="\"$(realpath $(objtree)/vmlinux)\""
84endif
Masahiro Yamada8212f892021-10-13 15:36:22 +090085
86# for cleaning
87subdir- += vdso vdso32