arch/x86/kernel/Makefile

   1 # SPDX-License-Identifier: GPL-2.0
   2 #
   3 # Makefile for the linux kernel.
   4 #
   5
   6 always-$(KBUILD_BUILTIN)        += vmlinux.lds
   7
   8 CPPFLAGS_vmlinux.lds += -U$(UTS_MACHINE)
   9
  10 ifdef CONFIG_FUNCTION_TRACER
  11 # Do not profile debug and lowlevel utilities
  12 CFLAGS_REMOVE_tsc.o = -pg
  13 CFLAGS_REMOVE_paravirt-spinlocks.o = -pg
  14 CFLAGS_REMOVE_pvclock.o = -pg
  15 CFLAGS_REMOVE_kvmclock.o = -pg
  16 CFLAGS_REMOVE_ftrace.o = -pg
  17 CFLAGS_REMOVE_early_printk.o = -pg
  18 CFLAGS_REMOVE_head64.o = -pg
  19 CFLAGS_REMOVE_head32.o = -pg
  20 CFLAGS_REMOVE_rethook.o = -pg
  21 endif
  22
  23 KASAN_SANITIZE_head$(BITS).o                            := n
  24 KASAN_SANITIZE_dumpstack.o                              := n
  25 KASAN_SANITIZE_dumpstack_$(BITS).o                      := n
  26 KASAN_SANITIZE_stacktrace.o                             := n
  27 KASAN_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.
  31 KCSAN_SANITIZE := n
  32 KMSAN_SANITIZE_head$(BITS).o                            := n
  33 KMSAN_SANITIZE_nmi.o                                    := n
  34
  35 # If instrumentation of the following files is enabled, boot hangs during
  36 # first second.
  37 KCOV_INSTRUMENT_head$(BITS).o                           := n
  38 # These are called from save_stack_trace() on debug paths,
  39 # and produce large amounts of uninteresting coverage.
  40 KCOV_INSTRUMENT_stacktrace.o                            := n
  41 KCOV_INSTRUMENT_dumpstack.o                             := n
  42 KCOV_INSTRUMENT_dumpstack_$(BITS).o                     := n
  43 KCOV_INSTRUMENT_unwind_orc.o                            := n
  44 KCOV_INSTRUMENT_unwind_frame.o                          := n
  45 KCOV_INSTRUMENT_unwind_guess.o                          := n
  46
  47 CFLAGS_head32.o := -fno-stack-protector
  48 CFLAGS_head64.o := -fno-stack-protector
  49 CFLAGS_irq.o := -I $(src)/../include/asm/trace
  50
  51 obj-y                   += head_$(BITS).o
  52 obj-y                   += head$(BITS).o
  53 obj-y                   += ebda.o
  54 obj-y                   += platform-quirks.o
  55 obj-y                   += process_$(BITS).o signal.o signal_$(BITS).o
  56 obj-y                   += traps.o idt.o irq.o irq_$(BITS).o dumpstack_$(BITS).o
  57 obj-y                   += time.o ioport.o dumpstack.o nmi.o
  58 obj-$(CONFIG_X86_FRED)  += fred.o
  59 obj-$(CONFIG_MODIFY_LDT_SYSCALL)        += ldt.o
  60 obj-$(CONFIG_X86_KERNEL_IBT)            += ibt_selftest.o
  61 obj-y                   += setup.o x86_init.o i8259.o irqinit.o
  62 obj-$(CONFIG_JUMP_LABEL)        += jump_label.o
  63 obj-$(CONFIG_IRQ_WORK)  += irq_work.o
  64 obj-y                   += probe_roms.o
  65 obj-$(CONFIG_X86_32)    += sys_ia32.o
  66 obj-$(CONFIG_IA32_EMULATION)    += sys_ia32.o signal_32.o
  67 obj-$(CONFIG_X86_64)    += sys_x86_64.o
  68 obj-$(CONFIG_X86_ESPFIX64)      += espfix_64.o
  69 obj-$(CONFIG_SYSFS)     += ksysfs.o
  70 obj-y                   += bootflag.o e820.o
  71 obj-y                   += pci-dma.o quirks.o kdebugfs.o
  72 obj-y                   += alternative.o i8253.o hw_breakpoint.o
  73 obj-y                   += tsc.o tsc_msr.o io_delay.o rtc.o
  74 obj-y                   += resource.o
  75 obj-y                   += irqflags.o
  76 obj-y                   += static_call.o
  77
  78 obj-y                           += process.o
  79 obj-y                           += fpu/
  80 obj-y                           += ptrace.o
  81 obj-$(CONFIG_X86_32)            += tls.o
  82 obj-$(CONFIG_IA32_EMULATION)    += tls.o
  83 obj-y                           += step.o
  84 obj-$(CONFIG_INTEL_TXT)         += tboot.o
  85 obj-$(CONFIG_ISA_DMA_API)       += i8237.o
  86 obj-y                           += stacktrace.o
  87 obj-y                           += cpu/
  88 obj-y                           += acpi/
  89 obj-y                           += reboot.o
  90 obj-$(CONFIG_X86_MSR)           += msr.o
  91 obj-$(CONFIG_X86_CPUID)         += cpuid.o
  92 obj-$(CONFIG_PCI)               += early-quirks.o
  93 apm-y                           := apm_32.o
  94 obj-$(CONFIG_APM)               += apm.o
  95 obj-$(CONFIG_SMP)               += smp.o
  96 obj-$(CONFIG_SMP)               += smpboot.o
  97 obj-$(CONFIG_X86_TSC)           += tsc_sync.o
  98 obj-$(CONFIG_SMP)               += setup_percpu.o
  99 obj-$(CONFIG_X86_MPPARSE)       += mpparse.o
 100 obj-y                           += apic/
 101 obj-$(CONFIG_X86_REBOOTFIXUPS)  += reboot_fixups_32.o
 102 obj-$(CONFIG_DYNAMIC_FTRACE)    += ftrace.o
 103 obj-$(CONFIG_FUNCTION_TRACER)   += ftrace_$(BITS).o
 104 obj-$(CONFIG_FUNCTION_GRAPH_TRACER) += ftrace.o
 105 obj-$(CONFIG_FTRACE_SYSCALLS)   += ftrace.o
 106 obj-$(CONFIG_X86_TSC)           += trace_clock.o
 107 obj-$(CONFIG_TRACING)           += trace.o
 108 obj-$(CONFIG_RETHOOK)           += rethook.o
 109 obj-$(CONFIG_VMCORE_INFO)       += vmcore_info_$(BITS).o
 110 obj-$(CONFIG_KEXEC_CORE)        += machine_kexec_$(BITS).o
 111 obj-$(CONFIG_KEXEC_CORE)        += relocate_kernel_$(BITS).o
 112 obj-$(CONFIG_KEXEC_FILE)        += kexec-bzimage64.o
 113 obj-$(CONFIG_CRASH_DUMP)        += crash_dump_$(BITS).o crash.o
 114 obj-y                           += kprobes/
 115 obj-$(CONFIG_MODULES)           += module.o
 116 obj-$(CONFIG_X86_32)            += doublefault_32.o
 117 obj-$(CONFIG_KGDB)              += kgdb.o
 118 obj-$(CONFIG_VM86)              += vm86_32.o
 119 obj-$(CONFIG_EARLY_PRINTK)      += early_printk.o
 120
 121 obj-$(CONFIG_HPET_TIMER)        += hpet.o
 122
 123 obj-$(CONFIG_AMD_NB)            += amd_nb.o
 124 obj-$(CONFIG_AMD_NODE)          += amd_node.o
 125 obj-$(CONFIG_DEBUG_NMI_SELFTEST) += nmi_selftest.o
 126
 127 obj-$(CONFIG_KVM_GUEST)         += kvm.o kvmclock.o
 128 obj-$(CONFIG_PARAVIRT)          += paravirt.o
 129 obj-$(CONFIG_PARAVIRT_SPINLOCKS)+= paravirt-spinlocks.o
 130 obj-$(CONFIG_PARAVIRT_CLOCK)    += pvclock.o
 131 obj-$(CONFIG_X86_PMEM_LEGACY_DEVICE) += pmem.o
 132
 133 obj-$(CONFIG_JAILHOUSE_GUEST)   += jailhouse.o
 134
 135 obj-$(CONFIG_EISA)              += eisa.o
 136 obj-$(CONFIG_PCSPKR_PLATFORM)   += pcspeaker.o
 137
 138 obj-$(CONFIG_X86_CHECK_BIOS_CORRUPTION) += check.o
 139
 140 obj-$(CONFIG_OF)                        += devicetree.o
 141 obj-$(CONFIG_UPROBES)                   += uprobes.o
 142
 143 obj-$(CONFIG_PERF_EVENTS)               += perf_regs.o
 144 obj-$(CONFIG_SCHED_MC_PRIO)             += itmt.o
 145 obj-$(CONFIG_X86_UMIP)                  += umip.o
 146
 147 obj-$(CONFIG_UNWINDER_ORC)              += unwind_orc.o
 148 obj-$(CONFIG_UNWINDER_FRAME_POINTER)    += unwind_frame.o
 149 obj-$(CONFIG_UNWINDER_GUESS)            += unwind_guess.o
 150
 151 obj-$(CONFIG_CFI_CLANG)                 += cfi.o
 152
 153 obj-$(CONFIG_CALL_THUNKS)               += callthunks.o
 154
 155 obj-$(CONFIG_X86_CET)                   += cet.o
 156
 157 obj-$(CONFIG_X86_USER_SHADOW_STACK)     += shstk.o
 158
 159 ###
 160 # 64 bit specific files
 161 ifeq ($(CONFIG_X86_64),y)
 162         obj-$(CONFIG_AUDIT)             += audit_64.o
 163
 164         obj-$(CONFIG_GART_IOMMU)        += amd_gart_64.o aperture_64.o
 165
 166         obj-$(CONFIG_MMCONF_FAM10H)     += mmconf-fam10h_64.o
 167         obj-y                           += vsmp_64.o
 168 endif