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1# SPDX-License-Identifier: GPL-2.0
2#
3# Makefile for the linux kernel.
4#
5
6extra-y += vmlinux.lds
7
8CPPFLAGS_vmlinux.lds += -U$(UTS_MACHINE)
9
10ifdef CONFIG_FUNCTION_TRACER
11# Do not profile debug and lowlevel utilities
12CFLAGS_REMOVE_tsc.o = -pg
13CFLAGS_REMOVE_paravirt-spinlocks.o = -pg
14CFLAGS_REMOVE_pvclock.o = -pg
15CFLAGS_REMOVE_kvmclock.o = -pg
16CFLAGS_REMOVE_ftrace.o = -pg
17CFLAGS_REMOVE_early_printk.o = -pg
18CFLAGS_REMOVE_head64.o = -pg
19CFLAGS_REMOVE_head32.o = -pg
20CFLAGS_REMOVE_rethook.o = -pg
21endif
22
23KASAN_SANITIZE_head$(BITS).o := n
24KASAN_SANITIZE_dumpstack.o := n
25KASAN_SANITIZE_dumpstack_$(BITS).o := n
26KASAN_SANITIZE_stacktrace.o := n
27KASAN_SANITIZE_paravirt.o := n
28
29# With some compiler versions the generated code results in boot hangs, caused
30# by several compilation units. To be safe, disable all instrumentation.
31KCSAN_SANITIZE := n
32KMSAN_SANITIZE_head$(BITS).o := n
33KMSAN_SANITIZE_nmi.o := n
34
35# If instrumentation of the following files is enabled, boot hangs during
36# first second.
37KCOV_INSTRUMENT_head$(BITS).o := n
38# These are called from save_stack_trace() on debug paths,
39# and produce large amounts of uninteresting coverage.
40KCOV_INSTRUMENT_stacktrace.o := n
41KCOV_INSTRUMENT_dumpstack.o := n
42KCOV_INSTRUMENT_dumpstack_$(BITS).o := n
43KCOV_INSTRUMENT_unwind_orc.o := n
44KCOV_INSTRUMENT_unwind_frame.o := n
45KCOV_INSTRUMENT_unwind_guess.o := n
46
47CFLAGS_irq.o := -I $(src)/../include/asm/trace
48
49obj-y += head_$(BITS).o
50obj-y += head$(BITS).o
51obj-y += ebda.o
52obj-y += platform-quirks.o
53obj-y += process_$(BITS).o signal.o signal_$(BITS).o
54obj-y += traps.o idt.o irq.o irq_$(BITS).o dumpstack_$(BITS).o
55obj-y += time.o ioport.o dumpstack.o nmi.o
56obj-$(CONFIG_X86_FRED) += fred.o
57obj-$(CONFIG_MODIFY_LDT_SYSCALL) += ldt.o
58obj-$(CONFIG_X86_KERNEL_IBT) += ibt_selftest.o
59obj-y += setup.o x86_init.o i8259.o irqinit.o
60obj-$(CONFIG_JUMP_LABEL) += jump_label.o
61obj-$(CONFIG_IRQ_WORK) += irq_work.o
62obj-y += probe_roms.o
63obj-$(CONFIG_X86_32) += sys_ia32.o
64obj-$(CONFIG_IA32_EMULATION) += sys_ia32.o signal_32.o
65obj-$(CONFIG_X86_64) += sys_x86_64.o
66obj-$(CONFIG_X86_ESPFIX64) += espfix_64.o
67obj-$(CONFIG_SYSFS) += ksysfs.o
68obj-y += bootflag.o e820.o
69obj-y += pci-dma.o quirks.o kdebugfs.o
70obj-y += alternative.o i8253.o hw_breakpoint.o
71obj-y += tsc.o tsc_msr.o io_delay.o rtc.o
72obj-y += resource.o
73obj-y += irqflags.o
74obj-y += static_call.o
75
76obj-y += process.o
77obj-y += fpu
78obj-y += ptrace.o
79obj-$(CONFIG_X86_32) += tls.o
80obj-$(CONFIG_IA32_EMULATION) += tls.o
81obj-y += step.o
82obj-$(CONFIG_INTEL_TXT) += tboot.o
83obj-$(CONFIG_ISA_DMA_API) += i8237.o
84obj-y += stacktrace.o
85obj-y += cpu
86obj-y += acpi
87obj-y += reboot.o
88obj-$(CONFIG_X86_MSR) += msr.o
89obj-$(CONFIG_X86_CPUID) += cpuid.o
90obj-$(CONFIG_PCI) += early-quirks.o
91apm-y := apm_32.o
92obj-$(CONFIG_APM) += apm.o
93obj-$(CONFIG_SMP) += smp.o
94obj-$(CONFIG_SMP) += smpboot.o
95obj-$(CONFIG_X86_TSC) += tsc_sync.o
96obj-$(CONFIG_SMP) += setup_percpu.o
97obj-$(CONFIG_X86_MPPARSE) += mpparse.o
98obj-y += apic
99obj-$(CONFIG_X86_REBOOTFIXUPS) += reboot_fixups_32.o
100obj-$(CONFIG_DYNAMIC_FTRACE) += ftrace.o
101obj-$(CONFIG_FUNCTION_TRACER) += ftrace_$(BITS).o
102obj-$(CONFIG_FUNCTION_GRAPH_TRACER) += ftrace.o
103obj-$(CONFIG_FTRACE_SYSCALLS) += ftrace.o
104obj-$(CONFIG_X86_TSC) += trace_clock.o
105obj-$(CONFIG_TRACING) += trace.o
106obj-$(CONFIG_RETHOOK) += rethook.o
107obj-$(CONFIG_VMCORE_INFO) += vmcore_info_$(BITS).o
108obj-$(CONFIG_KEXEC_CORE) += machine_kexec_$(BITS).o
109obj-$(CONFIG_KEXEC_CORE) += relocate_kernel_$(BITS).o
110obj-$(CONFIG_KEXEC_FILE) += kexec-bzimage64.o
111obj-$(CONFIG_CRASH_DUMP) += crash_dump_$(BITS).o crash.o
112obj-y += kprobes
113obj-$(CONFIG_MODULES) += module.o
114obj-$(CONFIG_X86_32) += doublefault_32.o
115obj-$(CONFIG_KGDB) += kgdb.o
116obj-$(CONFIG_VM86) += vm86_32.o
117obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
118
119obj-$(CONFIG_HPET_TIMER) += hpet.o
120
121obj-$(CONFIG_AMD_NB) += amd_nb.o
122obj-$(CONFIG_DEBUG_NMI_SELFTEST) += nmi_selftest.o
123
124obj-$(CONFIG_KVM_GUEST) += kvm.o kvmclock.o
125obj-$(CONFIG_PARAVIRT) += paravirt.o
126obj-$(CONFIG_PARAVIRT_SPINLOCKS)+= paravirt-spinlocks.o
127obj-$(CONFIG_PARAVIRT_CLOCK) += pvclock.o
128obj-$(CONFIG_X86_PMEM_LEGACY_DEVICE) += pmem.o
129
130obj-$(CONFIG_JAILHOUSE_GUEST) += jailhouse.o
131
132obj-$(CONFIG_EISA) += eisa.o
133obj-$(CONFIG_PCSPKR_PLATFORM) += pcspeaker.o
134
135obj-$(CONFIG_X86_CHECK_BIOS_CORRUPTION) += check.o
136
137obj-$(CONFIG_OF) += devicetree.o
138obj-$(CONFIG_UPROBES) += uprobes.o
139
140obj-$(CONFIG_PERF_EVENTS) += perf_regs.o
141obj-$(CONFIG_TRACING) += tracepoint.o
142obj-$(CONFIG_SCHED_MC_PRIO) += itmt.o
143obj-$(CONFIG_X86_UMIP) += umip.o
144
145obj-$(CONFIG_UNWINDER_ORC) += unwind_orc.o
146obj-$(CONFIG_UNWINDER_FRAME_POINTER) += unwind_frame.o
147obj-$(CONFIG_UNWINDER_GUESS) += unwind_guess.o
148
149obj-$(CONFIG_CFI_CLANG) += cfi.o
150
151obj-$(CONFIG_CALL_THUNKS) += callthunks.o
152
153obj-$(CONFIG_X86_CET) += cet.o
154
155obj-$(CONFIG_X86_USER_SHADOW_STACK) += shstk.o
156
157###
158# 64 bit specific files
159ifeq ($(CONFIG_X86_64),y)
160 obj-$(CONFIG_AUDIT) += audit_64.o
161
162 obj-$(CONFIG_GART_IOMMU) += amd_gart_64.o aperture_64.o
163
164 obj-$(CONFIG_MMCONF_FAM10H) += mmconf-fam10h_64.o
165 obj-y += vsmp_64.o
166endif
1#
2# Makefile for the linux kernel.
3#
4
5extra-y := head_$(BITS).o head$(BITS).o head.o vmlinux.lds
6
7CPPFLAGS_vmlinux.lds += -U$(UTS_MACHINE)
8
9ifdef CONFIG_FUNCTION_TRACER
10# Do not profile debug and lowlevel utilities
11CFLAGS_REMOVE_tsc.o = -pg
12CFLAGS_REMOVE_paravirt-spinlocks.o = -pg
13CFLAGS_REMOVE_pvclock.o = -pg
14CFLAGS_REMOVE_kvmclock.o = -pg
15CFLAGS_REMOVE_ftrace.o = -pg
16CFLAGS_REMOVE_early_printk.o = -pg
17endif
18
19KASAN_SANITIZE_head$(BITS).o := n
20KASAN_SANITIZE_dumpstack.o := n
21KASAN_SANITIZE_dumpstack_$(BITS).o := n
22KASAN_SANITIZE_stacktrace.o := n
23
24OBJECT_FILES_NON_STANDARD_head_$(BITS).o := y
25OBJECT_FILES_NON_STANDARD_relocate_kernel_$(BITS).o := y
26OBJECT_FILES_NON_STANDARD_mcount_$(BITS).o := y
27OBJECT_FILES_NON_STANDARD_test_nx.o := y
28
29# If instrumentation of this dir is enabled, boot hangs during first second.
30# Probably could be more selective here, but note that files related to irqs,
31# boot, dumpstack/stacktrace, etc are either non-interesting or can lead to
32# non-deterministic coverage.
33KCOV_INSTRUMENT := n
34
35CFLAGS_irq.o := -I$(src)/../include/asm/trace
36
37obj-y := process_$(BITS).o signal.o
38obj-$(CONFIG_COMPAT) += signal_compat.o
39obj-y += traps.o irq.o irq_$(BITS).o dumpstack_$(BITS).o
40obj-y += time.o ioport.o dumpstack.o nmi.o
41obj-$(CONFIG_MODIFY_LDT_SYSCALL) += ldt.o
42obj-y += setup.o x86_init.o i8259.o irqinit.o jump_label.o
43obj-$(CONFIG_IRQ_WORK) += irq_work.o
44obj-y += probe_roms.o
45obj-$(CONFIG_X86_32) += i386_ksyms_32.o
46obj-$(CONFIG_X86_64) += sys_x86_64.o x8664_ksyms_64.o
47obj-$(CONFIG_X86_64) += mcount_64.o
48obj-$(CONFIG_X86_ESPFIX64) += espfix_64.o
49obj-$(CONFIG_SYSFS) += ksysfs.o
50obj-y += bootflag.o e820.o
51obj-y += pci-dma.o quirks.o topology.o kdebugfs.o
52obj-y += alternative.o i8253.o pci-nommu.o hw_breakpoint.o
53obj-y += tsc.o tsc_msr.o io_delay.o rtc.o
54obj-y += pci-iommu_table.o
55obj-y += resource.o
56
57obj-y += process.o
58obj-y += fpu
59obj-y += ptrace.o
60obj-$(CONFIG_X86_32) += tls.o
61obj-$(CONFIG_IA32_EMULATION) += tls.o
62obj-y += step.o
63obj-$(CONFIG_INTEL_TXT) += tboot.o
64obj-$(CONFIG_ISA_DMA_API) += i8237.o
65obj-$(CONFIG_STACKTRACE) += stacktrace.o
66obj-y += cpu
67obj-y += acpi
68obj-y += reboot.o
69obj-$(CONFIG_X86_MSR) += msr.o
70obj-$(CONFIG_X86_CPUID) += cpuid.o
71obj-$(CONFIG_PCI) += early-quirks.o
72apm-y := apm_32.o
73obj-$(CONFIG_APM) += apm.o
74obj-$(CONFIG_SMP) += smp.o
75obj-$(CONFIG_SMP) += smpboot.o
76obj-$(CONFIG_SMP) += tsc_sync.o
77obj-$(CONFIG_SMP) += setup_percpu.o
78obj-$(CONFIG_X86_MPPARSE) += mpparse.o
79obj-y += apic
80obj-$(CONFIG_X86_REBOOTFIXUPS) += reboot_fixups_32.o
81obj-$(CONFIG_DYNAMIC_FTRACE) += ftrace.o
82obj-$(CONFIG_LIVEPATCH) += livepatch.o
83obj-$(CONFIG_FUNCTION_GRAPH_TRACER) += ftrace.o
84obj-$(CONFIG_FTRACE_SYSCALLS) += ftrace.o
85obj-$(CONFIG_X86_TSC) += trace_clock.o
86obj-$(CONFIG_KEXEC_CORE) += machine_kexec_$(BITS).o
87obj-$(CONFIG_KEXEC_CORE) += relocate_kernel_$(BITS).o crash.o
88obj-$(CONFIG_KEXEC_FILE) += kexec-bzimage64.o
89obj-$(CONFIG_CRASH_DUMP) += crash_dump_$(BITS).o
90obj-y += kprobes
91obj-$(CONFIG_MODULES) += module.o
92obj-$(CONFIG_DOUBLEFAULT) += doublefault.o
93obj-$(CONFIG_KGDB) += kgdb.o
94obj-$(CONFIG_VM86) += vm86_32.o
95obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
96
97obj-$(CONFIG_HPET_TIMER) += hpet.o
98obj-$(CONFIG_APB_TIMER) += apb_timer.o
99
100obj-$(CONFIG_AMD_NB) += amd_nb.o
101obj-$(CONFIG_DEBUG_RODATA_TEST) += test_rodata.o
102obj-$(CONFIG_DEBUG_NX_TEST) += test_nx.o
103obj-$(CONFIG_DEBUG_NMI_SELFTEST) += nmi_selftest.o
104
105obj-$(CONFIG_KVM_GUEST) += kvm.o kvmclock.o
106obj-$(CONFIG_PARAVIRT) += paravirt.o paravirt_patch_$(BITS).o
107obj-$(CONFIG_PARAVIRT_SPINLOCKS)+= paravirt-spinlocks.o
108obj-$(CONFIG_PARAVIRT_CLOCK) += pvclock.o
109obj-$(CONFIG_X86_PMEM_LEGACY_DEVICE) += pmem.o
110
111obj-$(CONFIG_PCSPKR_PLATFORM) += pcspeaker.o
112
113obj-$(CONFIG_X86_CHECK_BIOS_CORRUPTION) += check.o
114
115obj-$(CONFIG_SWIOTLB) += pci-swiotlb.o
116obj-$(CONFIG_OF) += devicetree.o
117obj-$(CONFIG_UPROBES) += uprobes.o
118obj-y += sysfb.o
119obj-$(CONFIG_X86_SYSFB) += sysfb_simplefb.o
120obj-$(CONFIG_EFI) += sysfb_efi.o
121
122obj-$(CONFIG_PERF_EVENTS) += perf_regs.o
123obj-$(CONFIG_TRACING) += tracepoint.o
124
125###
126# 64 bit specific files
127ifeq ($(CONFIG_X86_64),y)
128 obj-$(CONFIG_AUDIT) += audit_64.o
129
130 obj-$(CONFIG_GART_IOMMU) += amd_gart_64.o aperture_64.o
131 obj-$(CONFIG_CALGARY_IOMMU) += pci-calgary_64.o tce_64.o
132
133 obj-$(CONFIG_PCI_MMCONFIG) += mmconf-fam10h_64.o
134 obj-y += vsmp_64.o
135endif