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$(UTS_MACHINE) 13 14ifdef CONFIG_FUNCTION_TRACER 15# Do not profile debug and lowlevel utilities 16CFLAGS_REMOVE_tsc.o = -pg 17CFLAGS_REMOVE_paravirt-spinlocks.o = -pg 18CFLAGS_REMOVE_pvclock.o = -pg 19CFLAGS_REMOVE_kvmclock.o = -pg 20CFLAGS_REMOVE_ftrace.o = -pg 21CFLAGS_REMOVE_early_printk.o = -pg 22CFLAGS_REMOVE_head64.o = -pg 23CFLAGS_REMOVE_sev-es.o = -pg 24endif 25 26KASAN_SANITIZE_head$(BITS).o := n 27KASAN_SANITIZE_dumpstack.o := n 28KASAN_SANITIZE_dumpstack_$(BITS).o := n 29KASAN_SANITIZE_stacktrace.o := n 30KASAN_SANITIZE_paravirt.o := n 31KASAN_SANITIZE_sev-es.o := n 32 33# With some compiler versions the generated code results in boot hangs, caused 34# by several compilation units. To be safe, disable all instrumentation. 35KCSAN_SANITIZE := n 36 37OBJECT_FILES_NON_STANDARD_test_nx.o := y 38OBJECT_FILES_NON_STANDARD_paravirt_patch.o := y 39 40ifdef CONFIG_FRAME_POINTER 41OBJECT_FILES_NON_STANDARD_ftrace_$(BITS).o := y 42endif 43 44# If instrumentation of this dir is enabled, boot hangs during first second. 45# Probably could be more selective here, but note that files related to irqs, 46# boot, dumpstack/stacktrace, etc are either non-interesting or can lead to 47# non-deterministic coverage. 48KCOV_INSTRUMENT := n 49 50CFLAGS_head$(BITS).o += -fno-stack-protector 51 52CFLAGS_irq.o := -I $(srctree)/$(src)/../include/asm/trace 53 54obj-y := process_$(BITS).o signal.o 55obj-$(CONFIG_COMPAT) += signal_compat.o 56obj-y += traps.o idt.o irq.o irq_$(BITS).o dumpstack_$(BITS).o 57obj-y += time.o ioport.o dumpstack.o nmi.o 58obj-$(CONFIG_MODIFY_LDT_SYSCALL) += ldt.o 59obj-y += setup.o x86_init.o i8259.o irqinit.o 60obj-$(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-$(CONFIG_IA32_EMULATION) += sys_ia32.o 65obj-$(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 topology.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 += pci-iommu_table.o 73obj-y += resource.o 74obj-y += irqflags.o 75obj-y += static_call.o 76 77obj-y += process.o 78obj-y += fpu/ 79obj-y += ptrace.o 80obj-$(CONFIG_X86_32) += tls.o 81obj-$(CONFIG_IA32_EMULATION) += tls.o 82obj-y += step.o 83obj-$(CONFIG_INTEL_TXT) += tboot.o 84obj-$(CONFIG_ISA_DMA_API) += i8237.o 85obj-$(CONFIG_STACKTRACE) += stacktrace.o 86obj-y += cpu/ 87obj-y += acpi/ 88obj-y += reboot.o 89obj-$(CONFIG_X86_MSR) += msr.o 90obj-$(CONFIG_X86_CPUID) += cpuid.o 91obj-$(CONFIG_PCI) += early-quirks.o 92apm-y := apm_32.o 93obj-$(CONFIG_APM) += apm.o 94obj-$(CONFIG_SMP) += smp.o 95obj-$(CONFIG_SMP) += smpboot.o 96obj-$(CONFIG_X86_TSC) += tsc_sync.o 97obj-$(CONFIG_SMP) += setup_percpu.o 98obj-$(CONFIG_X86_MPPARSE) += mpparse.o 99obj-y += apic/ 100obj-$(CONFIG_X86_REBOOTFIXUPS) += reboot_fixups_32.o 101obj-$(CONFIG_DYNAMIC_FTRACE) += ftrace.o 102obj-$(CONFIG_FUNCTION_TRACER) += ftrace_$(BITS).o 103obj-$(CONFIG_FUNCTION_GRAPH_TRACER) += ftrace.o 104obj-$(CONFIG_FTRACE_SYSCALLS) += ftrace.o 105obj-$(CONFIG_X86_TSC) += trace_clock.o 106obj-$(CONFIG_CRASH_CORE) += crash_core_$(BITS).o 107obj-$(CONFIG_KEXEC_CORE) += machine_kexec_$(BITS).o 108obj-$(CONFIG_KEXEC_CORE) += relocate_kernel_$(BITS).o crash.o 109obj-$(CONFIG_KEXEC_FILE) += kexec-bzimage64.o 110obj-$(CONFIG_CRASH_DUMP) += crash_dump_$(BITS).o 111obj-y += kprobes/ 112obj-$(CONFIG_MODULES) += module.o 113obj-$(CONFIG_X86_32) += doublefault_32.o 114obj-$(CONFIG_KGDB) += kgdb.o 115obj-$(CONFIG_VM86) += vm86_32.o 116obj-$(CONFIG_EARLY_PRINTK) += early_printk.o 117 118obj-$(CONFIG_HPET_TIMER) += hpet.o 119obj-$(CONFIG_APB_TIMER) += apb_timer.o 120 121obj-$(CONFIG_AMD_NB) += amd_nb.o 122obj-$(CONFIG_DEBUG_NMI_SELFTEST) += nmi_selftest.o 123 124obj-$(CONFIG_KVM_GUEST) += kvm.o kvmclock.o 125obj-$(CONFIG_PARAVIRT) += paravirt.o paravirt_patch.o 126obj-$(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-$(CONFIG_SWIOTLB) += pci-swiotlb.o 138obj-$(CONFIG_OF) += devicetree.o 139obj-$(CONFIG_UPROBES) += uprobes.o 140obj-y += sysfb.o 141obj-$(CONFIG_X86_SYSFB) += sysfb_simplefb.o 142obj-$(CONFIG_EFI) += sysfb_efi.o 143 144obj-$(CONFIG_PERF_EVENTS) += perf_regs.o 145obj-$(CONFIG_TRACING) += tracepoint.o 146obj-$(CONFIG_SCHED_MC_PRIO) += itmt.o 147obj-$(CONFIG_X86_UMIP) += umip.o 148 149obj-$(CONFIG_UNWINDER_ORC) += unwind_orc.o 150obj-$(CONFIG_UNWINDER_FRAME_POINTER) += unwind_frame.o 151obj-$(CONFIG_UNWINDER_GUESS) += unwind_guess.o 152 153obj-$(CONFIG_AMD_MEM_ENCRYPT) += sev-es.o 154### 155# 64 bit specific files 156ifeq ($(CONFIG_X86_64),y) 157 obj-$(CONFIG_AUDIT) += audit_64.o 158 159 obj-$(CONFIG_GART_IOMMU) += amd_gart_64.o aperture_64.o 160 161 obj-$(CONFIG_MMCONF_FAM10H) += mmconf-fam10h_64.o 162 obj-y += vsmp_64.o 163endif 164