arch/powerpc/kernel/Makefile

   1 # SPDX-License-Identifier: GPL-2.0
   2 #
   3 # Makefile for the linux kernel.
   4 #
   5
   6 CFLAGS_ptrace.o         += -DUTS_MACHINE='"$(UTS_MACHINE)"'
   7
   8 subdir-ccflags-$(CONFIG_PPC_WERROR) := -Werror
   9
  10 ifeq ($(CONFIG_PPC64),y)
  11 CFLAGS_prom_init.o      += $(NO_MINIMAL_TOC)
  12 endif
  13 ifeq ($(CONFIG_PPC32),y)
  14 CFLAGS_prom_init.o      += -fPIC
  15 CFLAGS_btext.o          += -fPIC
  16 endif
  17
  18 CFLAGS_cputable.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
  19 CFLAGS_prom_init.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
  20 CFLAGS_btext.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
  21 CFLAGS_prom.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
  22
  23 ifdef CONFIG_FUNCTION_TRACER
  24 # Do not trace early boot code
  25 CFLAGS_REMOVE_cputable.o = -mno-sched-epilog $(CC_FLAGS_FTRACE)
  26 CFLAGS_REMOVE_prom_init.o = -mno-sched-epilog $(CC_FLAGS_FTRACE)
  27 CFLAGS_REMOVE_btext.o = -mno-sched-epilog $(CC_FLAGS_FTRACE)
  28 CFLAGS_REMOVE_prom.o = -mno-sched-epilog $(CC_FLAGS_FTRACE)
  29 endif
  30
  31 obj-y                           := cputable.o ptrace.o syscalls.o \
  32                                    irq.o align.o signal_32.o pmc.o vdso.o \
  33                                    process.o systbl.o idle.o \
  34                                    signal.o sysfs.o cacheinfo.o time.o \
  35                                    prom.o traps.o setup-common.o \
  36                                    udbg.o misc.o io.o dma.o misc_$(BITS).o \
  37                                    of_platform.o prom_parse.o
  38 obj-$(CONFIG_PPC64)             += setup_64.o sys_ppc32.o \
  39                                    signal_64.o ptrace32.o \
  40                                    paca.o nvram_64.o firmware.o
  41 obj-$(CONFIG_VDSO32)            += vdso32/
  42 obj-$(CONFIG_PPC_WATCHDOG)      += watchdog.o
  43 obj-$(CONFIG_HAVE_HW_BREAKPOINT)        += hw_breakpoint.o
  44 obj-$(CONFIG_PPC_BOOK3S_64)     += cpu_setup_ppc970.o cpu_setup_pa6t.o
  45 obj-$(CONFIG_PPC_BOOK3S_64)     += cpu_setup_power.o
  46 obj-$(CONFIG_PPC_BOOK3S_64)     += mce.o mce_power.o
  47 obj-$(CONFIG_PPC_BOOK3E_64)     += exceptions-64e.o idle_book3e.o
  48 obj-$(CONFIG_PPC64)             += vdso64/
  49 obj-$(CONFIG_ALTIVEC)           += vecemu.o
  50 obj-$(CONFIG_PPC_970_NAP)       += idle_power4.o
  51 obj-$(CONFIG_PPC_P7_NAP)        += idle_book3s.o
  52 procfs-y                        := proc_powerpc.o
  53 obj-$(CONFIG_PROC_FS)           += $(procfs-y)
  54 rtaspci-$(CONFIG_PPC64)-$(CONFIG_PCI)   := rtas_pci.o
  55 obj-$(CONFIG_PPC_RTAS)          += rtas.o rtas-rtc.o $(rtaspci-y-y)
  56 obj-$(CONFIG_PPC_RTAS_DAEMON)   += rtasd.o
  57 obj-$(CONFIG_RTAS_FLASH)        += rtas_flash.o
  58 obj-$(CONFIG_RTAS_PROC)         += rtas-proc.o
  59 obj-$(CONFIG_PPC_DT_CPU_FTRS)   += dt_cpu_ftrs.o
  60 obj-$(CONFIG_EEH)              += eeh.o eeh_pe.o eeh_dev.o eeh_cache.o \
  61                                   eeh_driver.o eeh_event.o eeh_sysfs.o
  62 obj-$(CONFIG_GENERIC_TBSYNC)    += smp-tbsync.o
  63 obj-$(CONFIG_CRASH_DUMP)        += crash_dump.o
  64 obj-$(CONFIG_FA_DUMP)           += fadump.o
  65 ifeq ($(CONFIG_PPC32),y)
  66 obj-$(CONFIG_E500)              += idle_e500.o
  67 endif
  68 obj-$(CONFIG_6xx)               += idle_6xx.o l2cr_6xx.o cpu_setup_6xx.o
  69 obj-$(CONFIG_TAU)               += tau_6xx.o
  70 obj-$(CONFIG_HIBERNATION)       += swsusp.o suspend.o
  71 ifeq ($(CONFIG_FSL_BOOKE),y)
  72 obj-$(CONFIG_HIBERNATION)       += swsusp_booke.o
  73 else
  74 obj-$(CONFIG_HIBERNATION)       += swsusp_$(BITS).o
  75 endif
  76 obj64-$(CONFIG_HIBERNATION)     += swsusp_asm64.o
  77 obj-$(CONFIG_MODULES)           += module.o module_$(BITS).o
  78 obj-$(CONFIG_44x)               += cpu_setup_44x.o
  79 obj-$(CONFIG_PPC_FSL_BOOK3E)    += cpu_setup_fsl_booke.o
  80 obj-$(CONFIG_PPC_DOORBELL)      += dbell.o
  81 obj-$(CONFIG_JUMP_LABEL)        += jump_label.o
  82
  83 extra-y                         := head_$(BITS).o
  84 extra-$(CONFIG_40x)             := head_40x.o
  85 extra-$(CONFIG_44x)             := head_44x.o
  86 extra-$(CONFIG_FSL_BOOKE)       := head_fsl_booke.o
  87 extra-$(CONFIG_PPC_8xx)         := head_8xx.o
  88 extra-y                         += vmlinux.lds
  89
  90 obj-$(CONFIG_RELOCATABLE)       += reloc_$(BITS).o
  91
  92 obj-$(CONFIG_PPC32)             += entry_32.o setup_32.o
  93 obj-$(CONFIG_PPC64)             += dma-iommu.o iommu.o
  94 obj-$(CONFIG_KGDB)              += kgdb.o
  95 obj-$(CONFIG_BOOTX_TEXT)        += btext.o
  96 obj-$(CONFIG_SMP)               += smp.o
  97 obj-$(CONFIG_KPROBES)           += kprobes.o
  98 obj-$(CONFIG_OPTPROBES)         += optprobes.o optprobes_head.o
  99 obj-$(CONFIG_KPROBES_ON_FTRACE) += kprobes-ftrace.o
 100 obj-$(CONFIG_UPROBES)           += uprobes.o
 101 obj-$(CONFIG_PPC_UDBG_16550)    += legacy_serial.o udbg_16550.o
 102 obj-$(CONFIG_STACKTRACE)        += stacktrace.o
 103 obj-$(CONFIG_SWIOTLB)           += dma-swiotlb.o
 104
 105 pci64-$(CONFIG_PPC64)           += pci_dn.o pci-hotplug.o isa-bridge.o
 106 obj-$(CONFIG_PCI)               += pci_$(BITS).o $(pci64-y) \
 107                                    pci-common.o pci_of_scan.o
 108 obj-$(CONFIG_PCI_MSI)           += msi.o
 109 obj-$(CONFIG_KEXEC_CORE)        += machine_kexec.o crash.o \
 110                                    machine_kexec_$(BITS).o
 111 obj-$(CONFIG_KEXEC_FILE)        += machine_kexec_file_$(BITS).o kexec_elf_$(BITS).o
 112 ifeq ($(CONFIG_HAVE_IMA_KEXEC)$(CONFIG_IMA),yy)
 113 obj-y                           += ima_kexec.o
 114 endif
 115
 116 obj-$(CONFIG_AUDIT)             += audit.o
 117 obj64-$(CONFIG_AUDIT)           += compat_audit.o
 118
 119 obj-$(CONFIG_PPC_IO_WORKAROUNDS)        += io-workarounds.o
 120
 121 obj-y                           += trace/
 122
 123 ifneq ($(CONFIG_PPC_INDIRECT_PIO),y)
 124 obj-y                           += iomap.o
 125 endif
 126
 127 obj64-$(CONFIG_PPC_TRANSACTIONAL_MEM)   += tm.o
 128
 129 obj-$(CONFIG_PPC64)             += $(obj64-y)
 130 obj-$(CONFIG_PPC32)             += $(obj32-y)
 131
 132 ifneq ($(CONFIG_XMON)$(CONFIG_KEXEC_CORE)(CONFIG_PPC_BOOK3S),)
 133 obj-y                           += ppc_save_regs.o
 134 endif
 135
 136 obj-$(CONFIG_EPAPR_PARAVIRT)    += epapr_paravirt.o epapr_hcalls.o
 137 obj-$(CONFIG_KVM_GUEST)         += kvm.o kvm_emul.o
 138
 139 # Disable GCOV & sanitizers in odd or sensitive code
 140 GCOV_PROFILE_prom_init.o := n
 141 UBSAN_SANITIZE_prom_init.o := n
 142 GCOV_PROFILE_machine_kexec_64.o := n
 143 UBSAN_SANITIZE_machine_kexec_64.o := n
 144 GCOV_PROFILE_machine_kexec_32.o := n
 145 UBSAN_SANITIZE_machine_kexec_32.o := n
 146 GCOV_PROFILE_kprobes.o := n
 147 UBSAN_SANITIZE_kprobes.o := n
 148 GCOV_PROFILE_kprobes-ftrace.o := n
 149 UBSAN_SANITIZE_kprobes-ftrace.o := n
 150 UBSAN_SANITIZE_vdso.o := n
 151
 152 extra-$(CONFIG_PPC_FPU)         += fpu.o
 153 extra-$(CONFIG_ALTIVEC)         += vector.o
 154 extra-$(CONFIG_PPC64)           += entry_64.o
 155 extra-$(CONFIG_PPC_OF_BOOT_TRAMPOLINE)  += prom_init.o
 156
 157 extra-y                         += systbl_chk.i
 158 $(obj)/systbl.o:                systbl_chk
 159
 160 quiet_cmd_systbl_chk = CALL    $<
 161       cmd_systbl_chk = $(CONFIG_SHELL) $< $(obj)/systbl_chk.i
 162
 163 PHONY += systbl_chk
 164 systbl_chk: $(src)/systbl_chk.sh $(obj)/systbl_chk.i
 165         $(call cmd,systbl_chk)
 166
 167 ifeq ($(CONFIG_PPC_OF_BOOT_TRAMPOLINE),y)
 168 $(obj)/built-in.o:              prom_init_check
 169
 170 quiet_cmd_prom_init_check = CALL    $<
 171       cmd_prom_init_check = $(CONFIG_SHELL) $< "$(NM)" "$(obj)/prom_init.o"
 172
 173 PHONY += prom_init_check
 174 prom_init_check: $(src)/prom_init_check.sh $(obj)/prom_init.o
 175         $(call cmd,prom_init_check)
 176 endif
 177
 178 clean-files := vmlinux.lds