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