xref: /linux/arch/x86/kernel/Makefile (revision 64b14a184e83eb62ea0615e31a409956049d40e7)
1# SPDX-License-Identifier: GPL-2.0
2#
3# Makefile for the linux kernel.
4#
5
6extra-y	:= head_$(BITS).o
7extra-y	+= head$(BITS).o
8extra-y	+= ebda.o
9extra-y	+= platform-quirks.o
10extra-y	+= vmlinux.lds
11
12CPPFLAGS_vmlinux.lds += -U$(UTS_MACHINE)
13
14ifdef CONFIG_FUNCTION_TRACER
15# Do not profile debug and lowlevel utilities
16CFLAGS_REMOVE_tsc.o = -pg
17CFLAGS_REMOVE_paravirt-spinlocks.o = -pg
18CFLAGS_REMOVE_pvclock.o = -pg
19CFLAGS_REMOVE_kvmclock.o = -pg
20CFLAGS_REMOVE_ftrace.o = -pg
21CFLAGS_REMOVE_early_printk.o = -pg
22CFLAGS_REMOVE_head64.o = -pg
23CFLAGS_REMOVE_sev.o = -pg
24CFLAGS_REMOVE_cc_platform.o = -pg
25endif
26
27KASAN_SANITIZE_head$(BITS).o				:= n
28KASAN_SANITIZE_dumpstack.o				:= n
29KASAN_SANITIZE_dumpstack_$(BITS).o			:= n
30KASAN_SANITIZE_stacktrace.o				:= n
31KASAN_SANITIZE_paravirt.o				:= n
32KASAN_SANITIZE_sev.o					:= n
33KASAN_SANITIZE_cc_platform.o				:= n
34
35# With some compiler versions the generated code results in boot hangs, caused
36# by several compilation units. To be safe, disable all instrumentation.
37KCSAN_SANITIZE := n
38
39OBJECT_FILES_NON_STANDARD_test_nx.o			:= y
40
41ifdef CONFIG_FRAME_POINTER
42OBJECT_FILES_NON_STANDARD_ftrace_$(BITS).o		:= y
43endif
44
45# If instrumentation of this dir is enabled, boot hangs during first second.
46# Probably could be more selective here, but note that files related to irqs,
47# boot, dumpstack/stacktrace, etc are either non-interesting or can lead to
48# non-deterministic coverage.
49KCOV_INSTRUMENT		:= n
50
51CFLAGS_head$(BITS).o	+= -fno-stack-protector
52CFLAGS_cc_platform.o	+= -fno-stack-protector
53
54CFLAGS_irq.o := -I $(srctree)/$(src)/../include/asm/trace
55
56obj-y			:= process_$(BITS).o signal.o
57obj-$(CONFIG_COMPAT)	+= signal_compat.o
58obj-y			+= traps.o idt.o irq.o irq_$(BITS).o dumpstack_$(BITS).o
59obj-y			+= time.o ioport.o dumpstack.o nmi.o
60obj-$(CONFIG_MODIFY_LDT_SYSCALL)	+= ldt.o
61obj-y			+= setup.o x86_init.o i8259.o irqinit.o
62obj-$(CONFIG_JUMP_LABEL)	+= jump_label.o
63obj-$(CONFIG_IRQ_WORK)  += irq_work.o
64obj-y			+= probe_roms.o
65obj-$(CONFIG_X86_32)	+= sys_ia32.o
66obj-$(CONFIG_IA32_EMULATION)	+= sys_ia32.o
67obj-$(CONFIG_X86_64)	+= sys_x86_64.o
68obj-$(CONFIG_X86_ESPFIX64)	+= espfix_64.o
69obj-$(CONFIG_SYSFS)	+= ksysfs.o
70obj-y			+= bootflag.o e820.o
71obj-y			+= pci-dma.o quirks.o topology.o kdebugfs.o
72obj-y			+= alternative.o i8253.o hw_breakpoint.o
73obj-y			+= tsc.o tsc_msr.o io_delay.o rtc.o
74obj-y			+= pci-iommu_table.o
75obj-y			+= resource.o
76obj-y			+= irqflags.o
77obj-y			+= static_call.o
78
79obj-y				+= process.o
80obj-y				+= fpu/
81obj-y				+= ptrace.o
82obj-$(CONFIG_X86_32)		+= tls.o
83obj-$(CONFIG_IA32_EMULATION)	+= tls.o
84obj-y				+= step.o
85obj-$(CONFIG_INTEL_TXT)		+= tboot.o
86obj-$(CONFIG_ISA_DMA_API)	+= i8237.o
87obj-y				+= stacktrace.o
88obj-y				+= cpu/
89obj-y				+= acpi/
90obj-y				+= reboot.o
91obj-$(CONFIG_X86_MSR)		+= msr.o
92obj-$(CONFIG_X86_CPUID)		+= cpuid.o
93obj-$(CONFIG_PCI)		+= early-quirks.o
94apm-y				:= apm_32.o
95obj-$(CONFIG_APM)		+= apm.o
96obj-$(CONFIG_SMP)		+= smp.o
97obj-$(CONFIG_SMP)		+= smpboot.o
98obj-$(CONFIG_X86_TSC)		+= tsc_sync.o
99obj-$(CONFIG_SMP)		+= setup_percpu.o
100obj-$(CONFIG_X86_MPPARSE)	+= mpparse.o
101obj-y				+= apic/
102obj-$(CONFIG_X86_REBOOTFIXUPS)	+= reboot_fixups_32.o
103obj-$(CONFIG_DYNAMIC_FTRACE)	+= ftrace.o
104obj-$(CONFIG_FUNCTION_TRACER)	+= ftrace_$(BITS).o
105obj-$(CONFIG_FUNCTION_GRAPH_TRACER) += ftrace.o
106obj-$(CONFIG_FTRACE_SYSCALLS)	+= ftrace.o
107obj-$(CONFIG_X86_TSC)		+= trace_clock.o
108obj-$(CONFIG_TRACING)		+= trace.o
109obj-$(CONFIG_CRASH_CORE)	+= crash_core_$(BITS).o
110obj-$(CONFIG_KEXEC_CORE)	+= machine_kexec_$(BITS).o
111obj-$(CONFIG_KEXEC_CORE)	+= relocate_kernel_$(BITS).o crash.o
112obj-$(CONFIG_KEXEC_FILE)	+= kexec-bzimage64.o
113obj-$(CONFIG_CRASH_DUMP)	+= crash_dump_$(BITS).o
114obj-y				+= kprobes/
115obj-$(CONFIG_MODULES)		+= module.o
116obj-$(CONFIG_X86_32)		+= doublefault_32.o
117obj-$(CONFIG_KGDB)		+= kgdb.o
118obj-$(CONFIG_VM86)		+= vm86_32.o
119obj-$(CONFIG_EARLY_PRINTK)	+= early_printk.o
120
121obj-$(CONFIG_HPET_TIMER) 	+= hpet.o
122
123obj-$(CONFIG_AMD_NB)		+= amd_nb.o
124obj-$(CONFIG_DEBUG_NMI_SELFTEST) += nmi_selftest.o
125
126obj-$(CONFIG_KVM_GUEST)		+= kvm.o kvmclock.o
127obj-$(CONFIG_PARAVIRT)		+= paravirt.o
128obj-$(CONFIG_PARAVIRT_SPINLOCKS)+= paravirt-spinlocks.o
129obj-$(CONFIG_PARAVIRT_CLOCK)	+= pvclock.o
130obj-$(CONFIG_X86_PMEM_LEGACY_DEVICE) += pmem.o
131
132obj-$(CONFIG_JAILHOUSE_GUEST)	+= jailhouse.o
133
134obj-$(CONFIG_EISA)		+= eisa.o
135obj-$(CONFIG_PCSPKR_PLATFORM)	+= pcspeaker.o
136
137obj-$(CONFIG_X86_CHECK_BIOS_CORRUPTION) += check.o
138
139obj-$(CONFIG_SWIOTLB)			+= pci-swiotlb.o
140obj-$(CONFIG_OF)			+= devicetree.o
141obj-$(CONFIG_UPROBES)			+= uprobes.o
142
143obj-$(CONFIG_PERF_EVENTS)		+= perf_regs.o
144obj-$(CONFIG_TRACING)			+= tracepoint.o
145obj-$(CONFIG_SCHED_MC_PRIO)		+= itmt.o
146obj-$(CONFIG_X86_UMIP)			+= umip.o
147
148obj-$(CONFIG_UNWINDER_ORC)		+= unwind_orc.o
149obj-$(CONFIG_UNWINDER_FRAME_POINTER)	+= unwind_frame.o
150obj-$(CONFIG_UNWINDER_GUESS)		+= unwind_guess.o
151
152obj-$(CONFIG_AMD_MEM_ENCRYPT)		+= sev.o
153
154obj-$(CONFIG_ARCH_HAS_CC_PLATFORM)	+= cc_platform.o
155
156###
157# 64 bit specific files
158ifeq ($(CONFIG_X86_64),y)
159	obj-$(CONFIG_AUDIT)		+= audit_64.o
160
161	obj-$(CONFIG_GART_IOMMU)	+= amd_gart_64.o aperture_64.o
162
163	obj-$(CONFIG_MMCONF_FAM10H)	+= mmconf-fam10h_64.o
164	obj-y				+= vsmp_64.o
165endif
166