arch/powerpc/kernel/Makefile

   1 # SPDX-License-Identifier: GPL-2.0
   2 #
   3 # Makefile for the linux kernel.
   4 #
   5
   6 ifdef CONFIG_PPC64
   7 CFLAGS_prom_init.o      += $(NO_MINIMAL_TOC)
   8 endif
   9 ifdef CONFIG_PPC32
  10 CFLAGS_prom_init.o      += -fPIC
  11 CFLAGS_btext.o          += -fPIC
  12 endif
  13
  14 CFLAGS_early_32.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
  15 CFLAGS_cputable.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
  16 CFLAGS_prom_init.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
  17 CFLAGS_btext.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
  18 CFLAGS_prom.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
  19
  20 CFLAGS_prom_init.o += -fno-stack-protector
  21 CFLAGS_prom_init.o += -DDISABLE_BRANCH_PROFILING
  22 CFLAGS_prom_init.o += -ffreestanding
  23 CFLAGS_prom_init.o += $(call cc-option, -ftrivial-auto-var-init=uninitialized)
  24
  25 ifdef CONFIG_FUNCTION_TRACER
  26 # Do not trace early boot code
  27 CFLAGS_REMOVE_cputable.o = $(CC_FLAGS_FTRACE)
  28 CFLAGS_REMOVE_prom_init.o = $(CC_FLAGS_FTRACE)
  29 CFLAGS_REMOVE_btext.o = $(CC_FLAGS_FTRACE)
  30 CFLAGS_REMOVE_prom.o = $(CC_FLAGS_FTRACE)
  31 endif
  32
  33 KASAN_SANITIZE_early_32.o := n
  34 KASAN_SANITIZE_cputable.o := n
  35 KASAN_SANITIZE_prom_init.o := n
  36 KASAN_SANITIZE_btext.o := n
  37
  38 ifdef CONFIG_KASAN
  39 CFLAGS_early_32.o += -DDISABLE_BRANCH_PROFILING
  40 CFLAGS_cputable.o += -DDISABLE_BRANCH_PROFILING
  41 CFLAGS_btext.o += -DDISABLE_BRANCH_PROFILING
  42 endif
  43
  44 obj-y                           := cputable.o syscalls.o \
  45                                    irq.o align.o signal_$(BITS).o pmc.o vdso.o \
  46                                    process.o systbl.o idle.o \
  47                                    signal.o sysfs.o cacheinfo.o time.o \
  48                                    prom.o traps.o setup-common.o \
  49                                    udbg.o misc.o io.o misc_$(BITS).o \
  50                                    of_platform.o prom_parse.o firmware.o \
  51                                    hw_breakpoint_constraints.o interrupt.o \
  52                                    kdebugfs.o
  53 obj-y                           += ptrace/
  54 obj-$(CONFIG_PPC64)             += setup_64.o \
  55                                    paca.o nvram_64.o note.o
  56 obj-$(CONFIG_COMPAT)            += sys_ppc32.o signal_32.o
  57 obj-$(CONFIG_VDSO32)            += vdso32_wrapper.o
  58 obj-$(CONFIG_PPC_WATCHDOG)      += watchdog.o
  59 obj-$(CONFIG_HAVE_HW_BREAKPOINT)        += hw_breakpoint.o
  60 obj-$(CONFIG_PPC_DAWR)          += dawr.o
  61 obj-$(CONFIG_PPC_BOOK3S_64)     += cpu_setup_ppc970.o cpu_setup_pa6t.o
  62 obj-$(CONFIG_PPC_BOOK3S_64)     += cpu_setup_power.o
  63 obj-$(CONFIG_PPC_BOOK3S_64)     += mce.o mce_power.o
  64 obj-$(CONFIG_PPC_BOOK3E_64)     += exceptions-64e.o idle_book3e.o
  65 obj-$(CONFIG_PPC_BARRIER_NOSPEC) += security.o
  66 obj-$(CONFIG_PPC64)             += vdso64_wrapper.o
  67 obj-$(CONFIG_ALTIVEC)           += vecemu.o
  68 obj-$(CONFIG_PPC_BOOK3S_IDLE)   += idle_book3s.o
  69 procfs-y                        := proc_powerpc.o
  70 obj-$(CONFIG_PROC_FS)           += $(procfs-y)
  71 rtaspci-$(CONFIG_PPC64)-$(CONFIG_PCI)   := rtas_pci.o
  72 obj-$(CONFIG_PPC_RTAS)          += rtas.o rtas-rtc.o $(rtaspci-y-y)
  73 obj-$(CONFIG_PPC_RTAS_DAEMON)   += rtasd.o
  74 obj-$(CONFIG_RTAS_FLASH)        += rtas_flash.o
  75 obj-$(CONFIG_RTAS_PROC)         += rtas-proc.o
  76 obj-$(CONFIG_PPC_DT_CPU_FTRS)   += dt_cpu_ftrs.o
  77 obj-$(CONFIG_EEH)              += eeh.o eeh_pe.o eeh_cache.o \
  78                                   eeh_driver.o eeh_event.o eeh_sysfs.o
  79 obj-$(CONFIG_GENERIC_TBSYNC)    += smp-tbsync.o
  80 obj-$(CONFIG_CRASH_DUMP)        += crash_dump.o
  81 obj-$(CONFIG_FA_DUMP)           += fadump.o
  82 obj-$(CONFIG_PRESERVE_FA_DUMP)  += fadump.o
  83 ifdef CONFIG_PPC32
  84 obj-$(CONFIG_E500)              += idle_e500.o
  85 endif
  86 obj-$(CONFIG_PPC_BOOK3S_32)     += idle_6xx.o l2cr_6xx.o cpu_setup_6xx.o
  87 obj-$(CONFIG_TAU)               += tau_6xx.o
  88 obj-$(CONFIG_HIBERNATION)       += swsusp.o suspend.o
  89 ifdef CONFIG_FSL_BOOKE
  90 obj-$(CONFIG_HIBERNATION)       += swsusp_booke.o
  91 else
  92 obj-$(CONFIG_HIBERNATION)       += swsusp_$(BITS).o
  93 endif
  94 obj64-$(CONFIG_HIBERNATION)     += swsusp_asm64.o
  95 obj-$(CONFIG_MODULES)           += module.o module_$(BITS).o
  96 obj-$(CONFIG_44x)               += cpu_setup_44x.o
  97 obj-$(CONFIG_PPC_FSL_BOOK3E)    += cpu_setup_fsl_booke.o
  98 obj-$(CONFIG_PPC_DOORBELL)      += dbell.o
  99 obj-$(CONFIG_JUMP_LABEL)        += jump_label.o
 100
 101 extra-$(CONFIG_PPC64)           := head_64.o
 102 extra-$(CONFIG_PPC_BOOK3S_32)   := head_book3s_32.o
 103 extra-$(CONFIG_40x)             := head_40x.o
 104 extra-$(CONFIG_44x)             := head_44x.o
 105 extra-$(CONFIG_FSL_BOOKE)       := head_fsl_booke.o
 106 extra-$(CONFIG_PPC_8xx)         := head_8xx.o
 107 extra-y                         += vmlinux.lds
 108
 109 obj-$(CONFIG_RELOCATABLE)       += reloc_$(BITS).o
 110
 111 obj-$(CONFIG_PPC32)             += entry_32.o setup_32.o early_32.o
 112 obj-$(CONFIG_PPC64)             += dma-iommu.o iommu.o
 113 obj-$(CONFIG_KGDB)              += kgdb.o
 114 obj-$(CONFIG_BOOTX_TEXT)        += btext.o
 115 obj-$(CONFIG_SMP)               += smp.o
 116 obj-$(CONFIG_KPROBES)           += kprobes.o
 117 obj-$(CONFIG_OPTPROBES)         += optprobes.o optprobes_head.o
 118 obj-$(CONFIG_KPROBES_ON_FTRACE) += kprobes-ftrace.o
 119 obj-$(CONFIG_UPROBES)           += uprobes.o
 120 obj-$(CONFIG_PPC_UDBG_16550)    += legacy_serial.o udbg_16550.o
 121 obj-$(CONFIG_STACKTRACE)        += stacktrace.o
 122 obj-$(CONFIG_SWIOTLB)           += dma-swiotlb.o
 123 obj-$(CONFIG_ARCH_HAS_DMA_SET_MASK) += dma-mask.o
 124
 125 pci64-$(CONFIG_PPC64)           += pci_dn.o pci-hotplug.o isa-bridge.o
 126 obj-$(CONFIG_PCI)               += pci_$(BITS).o $(pci64-y) \
 127                                    pci-common.o pci_of_scan.o
 128 obj-$(CONFIG_PCI_MSI)           += msi.o
 129
 130 obj-$(CONFIG_AUDIT)             += audit.o
 131 obj64-$(CONFIG_AUDIT)           += compat_audit.o
 132
 133 obj-$(CONFIG_PPC_IO_WORKAROUNDS)        += io-workarounds.o
 134
 135 obj-y                           += trace/
 136
 137 ifneq ($(CONFIG_PPC_INDIRECT_PIO),y)
 138 obj-y                           += iomap.o
 139 endif
 140
 141 obj64-$(CONFIG_PPC_TRANSACTIONAL_MEM)   += tm.o
 142
 143 obj-$(CONFIG_PPC64)             += $(obj64-y)
 144 obj-$(CONFIG_PPC32)             += $(obj32-y)
 145
 146 ifneq ($(CONFIG_XMON)$(CONFIG_KEXEC_CORE)(CONFIG_PPC_BOOK3S),)
 147 obj-y                           += ppc_save_regs.o
 148 endif
 149
 150 obj-$(CONFIG_EPAPR_PARAVIRT)    += epapr_paravirt.o epapr_hcalls.o
 151 obj-$(CONFIG_KVM_GUEST)         += kvm.o kvm_emul.o
 152 ifneq ($(CONFIG_PPC_POWERNV)$(CONFIG_PPC_SVM),)
 153 obj-y                           += ucall.o
 154 endif
 155
 156 obj-$(CONFIG_PPC_SECURE_BOOT)   += secure_boot.o ima_arch.o secvar-ops.o
 157 obj-$(CONFIG_PPC_SECVAR_SYSFS)  += secvar-sysfs.o
 158
 159 # Disable GCOV, KCOV & sanitizers in odd or sensitive code
 160 GCOV_PROFILE_prom_init.o := n
 161 KCOV_INSTRUMENT_prom_init.o := n
 162 UBSAN_SANITIZE_prom_init.o := n
 163 GCOV_PROFILE_kprobes.o := n
 164 KCOV_INSTRUMENT_kprobes.o := n
 165 UBSAN_SANITIZE_kprobes.o := n
 166 GCOV_PROFILE_kprobes-ftrace.o := n
 167 KCOV_INSTRUMENT_kprobes-ftrace.o := n
 168 UBSAN_SANITIZE_kprobes-ftrace.o := n
 169 GCOV_PROFILE_syscall_64.o := n
 170 KCOV_INSTRUMENT_syscall_64.o := n
 171 UBSAN_SANITIZE_syscall_64.o := n
 172 UBSAN_SANITIZE_vdso.o := n
 173
 174 # Necessary for booting with kcov enabled on book3e machines
 175 KCOV_INSTRUMENT_cputable.o := n
 176 KCOV_INSTRUMENT_setup_64.o := n
 177 KCOV_INSTRUMENT_paca.o := n
 178
 179 CFLAGS_setup_64.o               += -fno-stack-protector
 180 CFLAGS_paca.o                   += -fno-stack-protector
 181
 182 extra-$(CONFIG_PPC_FPU)         += fpu.o
 183 extra-$(CONFIG_ALTIVEC)         += vector.o
 184 extra-$(CONFIG_PPC64)           += entry_64.o
 185 extra-$(CONFIG_PPC_OF_BOOT_TRAMPOLINE)  += prom_init.o
 186
 187 extra-$(CONFIG_PPC_OF_BOOT_TRAMPOLINE)  += prom_init_check
 188
 189 quiet_cmd_prom_init_check = PROMCHK $@
 190       cmd_prom_init_check = $(CONFIG_SHELL) $< "$(NM)" $(obj)/prom_init.o; touch $@
 191
 192 $(obj)/prom_init_check: $(src)/prom_init_check.sh $(obj)/prom_init.o FORCE
 193         $(call if_changed,prom_init_check)
 194 targets += prom_init_check
 195
 196 clean-files := vmlinux.lds
 197
 198 # Force dependency (incbin is bad)
 199 $(obj)/vdso32_wrapper.o : $(obj)/vdso32/vdso32.so.dbg
 200 $(obj)/vdso64_wrapper.o : $(obj)/vdso64/vdso64.so.dbg
 201
 202 # for cleaning
 203 subdir- += vdso32 vdso64