arch/powerpc/kernel/Makefile - linux - Git at Google

 # SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the linux kernel.
 #

 ifdef CONFIG_PPC64
 CFLAGS_prom_init.o	+= $(NO_MINIMAL_TOC)
 endif
 ifdef CONFIG_PPC32
 CFLAGS_prom_init.o      += -fPIC
 CFLAGS_btext.o		+= -fPIC
 endif

 CFLAGS_early_32.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
 CFLAGS_cputable.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
 CFLAGS_prom_init.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
 CFLAGS_btext.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
 CFLAGS_prom.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)

 CFLAGS_prom_init.o += -fno-stack-protector
 CFLAGS_prom_init.o += -DDISABLE_BRANCH_PROFILING
 CFLAGS_prom_init.o += -ffreestanding
 CFLAGS_prom_init.o += $(call cc-option, -ftrivial-auto-var-init=uninitialized)

 ifdef CONFIG_FUNCTION_TRACER
 # Do not trace early boot code
 CFLAGS_REMOVE_cputable.o = $(CC_FLAGS_FTRACE)
 CFLAGS_REMOVE_prom_init.o = $(CC_FLAGS_FTRACE)
 CFLAGS_REMOVE_btext.o = $(CC_FLAGS_FTRACE)
 CFLAGS_REMOVE_prom.o = $(CC_FLAGS_FTRACE)
 endif

 KASAN_SANITIZE_early_32.o := n
 KASAN_SANITIZE_cputable.o := n
 KASAN_SANITIZE_prom_init.o := n
 KASAN_SANITIZE_btext.o := n
 KASAN_SANITIZE_paca.o := n
 KASAN_SANITIZE_setup_64.o := n
 KASAN_SANITIZE_mce.o := n
 KASAN_SANITIZE_mce_power.o := n
 KASAN_SANITIZE_udbg.o := n
 KASAN_SANITIZE_udbg_16550.o := n

 # we have to be particularly careful in ppc64 to exclude code that
 # runs with translations off, as we cannot access the shadow with
 # translations off. However, ppc32 can sanitize this.
 ifdef CONFIG_PPC64
 KASAN_SANITIZE_traps.o := n
 endif

 ifdef CONFIG_KASAN
 CFLAGS_early_32.o += -DDISABLE_BRANCH_PROFILING
 CFLAGS_cputable.o += -DDISABLE_BRANCH_PROFILING
 CFLAGS_btext.o += -DDISABLE_BRANCH_PROFILING
 endif

 KCSAN_SANITIZE_early_32.o := n
 KCSAN_SANITIZE_early_64.o := n
 KCSAN_SANITIZE_cputable.o := n
 KCSAN_SANITIZE_btext.o := n
 KCSAN_SANITIZE_paca.o := n
 KCSAN_SANITIZE_setup_64.o := n

 #ifdef CONFIG_RANDOMIZE_KSTACK_OFFSET
 # Remove stack protector to avoid triggering unneeded stack canary
 # checks due to randomize_kstack_offset.
 CFLAGS_REMOVE_syscall.o = -fstack-protector -fstack-protector-strong
 CFLAGS_syscall.o += -fno-stack-protector
 #endif

 obj-y				:= cputable.o syscalls.o \
 				   irq.o align.o signal_$(BITS).o pmc.o vdso.o \
 				   process.o systbl.o idle.o \
 				   signal.o sysfs.o cacheinfo.o time.o \
 				   prom.o traps.o setup-common.o \
 				   udbg.o misc.o io.o misc_$(BITS).o \
 				   of_platform.o prom_parse.o firmware.o \
 				   hw_breakpoint_constraints.o interrupt.o \
 				   kdebugfs.o stacktrace.o syscall.o
 obj-y				+= ptrace/
 obj-$(CONFIG_PPC64)		+= setup_64.o irq_64.o\
 				   paca.o nvram_64.o note.o
 obj-$(CONFIG_PPC32)		+= sys_ppc32.o
 obj-$(CONFIG_COMPAT)		+= sys_ppc32.o signal_32.o
 obj-$(CONFIG_VDSO32)		+= vdso32_wrapper.o
 obj-$(CONFIG_PPC_WATCHDOG)	+= watchdog.o
 obj-$(CONFIG_HAVE_HW_BREAKPOINT)	+= hw_breakpoint.o
 obj-$(CONFIG_PPC_DAWR)		+= dawr.o
 obj-$(CONFIG_PPC_BOOK3S_64)	+= cpu_setup_ppc970.o cpu_setup_pa6t.o
 obj-$(CONFIG_PPC_BOOK3S_64)	+= cpu_setup_power.o
 obj-$(CONFIG_PPC_BOOK3S_64)	+= mce.o mce_power.o
 obj-$(CONFIG_PPC_BOOK3E_64)	+= exceptions-64e.o idle_64e.o
 obj-$(CONFIG_PPC_BARRIER_NOSPEC) += security.o
 obj-$(CONFIG_PPC64)		+= vdso64_wrapper.o
 obj-$(CONFIG_ALTIVEC)		+= vecemu.o
 obj-$(CONFIG_PPC_BOOK3S_IDLE)	+= idle_book3s.o
 procfs-y			:= proc_powerpc.o
 obj-$(CONFIG_PROC_FS)		+= $(procfs-y)
 rtaspci-$(CONFIG_PPC64)-$(CONFIG_PCI)	:= rtas_pci.o
 obj-$(CONFIG_PPC_RTAS)		+= rtas_entry.o rtas.o rtas-rtc.o $(rtaspci-y-y)
 obj-$(CONFIG_PPC_RTAS_DAEMON)	+= rtasd.o
 obj-$(CONFIG_RTAS_FLASH)	+= rtas_flash.o
 obj-$(CONFIG_RTAS_PROC)		+= rtas-proc.o
 obj-$(CONFIG_PPC_DT_CPU_FTRS)	+= dt_cpu_ftrs.o
 obj-$(CONFIG_EEH)              += eeh.o eeh_pe.o eeh_cache.o \
 				  eeh_driver.o eeh_event.o eeh_sysfs.o
 obj-$(CONFIG_GENERIC_TBSYNC)	+= smp-tbsync.o
 obj-$(CONFIG_CRASH_DUMP)	+= crash_dump.o
 obj-$(CONFIG_FA_DUMP)		+= fadump.o
 obj-$(CONFIG_PRESERVE_FA_DUMP)	+= fadump.o
 obj-$(CONFIG_PPC_85xx)		+= idle_85xx.o
 obj-$(CONFIG_PPC_BOOK3S_32)	+= idle_6xx.o l2cr_6xx.o cpu_setup_6xx.o
 obj-$(CONFIG_TAU)		+= tau_6xx.o
 obj-$(CONFIG_HIBERNATION)	+= swsusp.o suspend.o
 ifdef CONFIG_PPC_85xx
 obj-$(CONFIG_HIBERNATION)	+= swsusp_85xx.o
 else
 obj-$(CONFIG_HIBERNATION)	+= swsusp_$(BITS).o
 endif
 obj64-$(CONFIG_HIBERNATION)	+= swsusp_asm64.o
 obj-$(CONFIG_MODULES)		+= module.o module_$(BITS).o
 obj-$(CONFIG_44x)		+= cpu_setup_44x.o
 obj-$(CONFIG_PPC_E500)		+= cpu_setup_e500.o
 obj-$(CONFIG_PPC_DOORBELL)	+= dbell.o
 obj-$(CONFIG_JUMP_LABEL)	+= jump_label.o

 obj-$(CONFIG_PPC64)		+= head_64.o
 obj-$(CONFIG_PPC_BOOK3S_32)	+= head_book3s_32.o
 obj-$(CONFIG_40x)		+= head_40x.o
 obj-$(CONFIG_44x)		+= head_44x.o
 obj-$(CONFIG_PPC_8xx)		+= head_8xx.o
 obj-$(CONFIG_PPC_85xx)		+= head_85xx.o
 extra-y				+= vmlinux.lds

 obj-$(CONFIG_RELOCATABLE)	+= reloc_$(BITS).o

 obj-$(CONFIG_PPC32)		+= entry_32.o setup_32.o early_32.o static_call.o
 obj-$(CONFIG_PPC64)		+= dma-iommu.o iommu.o
 obj-$(CONFIG_KGDB)		+= kgdb.o
 obj-$(CONFIG_BOOTX_TEXT)	+= btext.o
 obj-$(CONFIG_SMP)		+= smp.o
 obj-$(CONFIG_KPROBES)		+= kprobes.o
 obj-$(CONFIG_OPTPROBES)		+= optprobes.o optprobes_head.o
 obj-$(CONFIG_KPROBES_ON_FTRACE)	+= kprobes-ftrace.o
 obj-$(CONFIG_UPROBES)		+= uprobes.o
 obj-$(CONFIG_PPC_UDBG_16550)	+= legacy_serial.o udbg_16550.o
 obj-$(CONFIG_SWIOTLB)		+= dma-swiotlb.o
 obj-$(CONFIG_ARCH_HAS_DMA_SET_MASK) += dma-mask.o

 pci64-$(CONFIG_PPC64)		+= pci_dn.o pci-hotplug.o isa-bridge.o
 obj-$(CONFIG_PCI)		+= pci_$(BITS).o $(pci64-y) \
 				   pci-common.o pci_of_scan.o
 obj-$(CONFIG_PCI_MSI)		+= msi.o

 obj-$(CONFIG_AUDIT)		+= audit.o
 obj64-$(CONFIG_AUDIT)		+= compat_audit.o

 obj-$(CONFIG_PPC_IO_WORKAROUNDS)	+= io-workarounds.o

 obj-y				+= trace/

 ifneq ($(CONFIG_PPC_INDIRECT_PIO),y)
 obj-y				+= iomap.o
 endif

 obj64-$(CONFIG_PPC_TRANSACTIONAL_MEM)	+= tm.o

 obj-$(CONFIG_PPC64)		+= $(obj64-y)
 obj-$(CONFIG_PPC32)		+= $(obj32-y)

 ifneq ($(CONFIG_XMON)$(CONFIG_KEXEC_CORE)(CONFIG_PPC_BOOK3S),)
 obj-y				+= ppc_save_regs.o
 endif

 obj-$(CONFIG_EPAPR_PARAVIRT)	+= epapr_paravirt.o epapr_hcalls.o
 obj-$(CONFIG_KVM_GUEST)		+= kvm.o kvm_emul.o
 ifneq ($(CONFIG_PPC_POWERNV)$(CONFIG_PPC_SVM),)
 obj-y				+= ucall.o
 endif

 obj-$(CONFIG_PPC_SECURE_BOOT)	+= secure_boot.o ima_arch.o secvar-ops.o
 obj-$(CONFIG_PPC_SECVAR_SYSFS)	+= secvar-sysfs.o

 # Disable GCOV, KCOV & sanitizers in odd or sensitive code
 GCOV_PROFILE_prom_init.o := n
 KCOV_INSTRUMENT_prom_init.o := n
 KCSAN_SANITIZE_prom_init.o := n
 UBSAN_SANITIZE_prom_init.o := n
 GCOV_PROFILE_kprobes.o := n
 KCOV_INSTRUMENT_kprobes.o := n
 KCSAN_SANITIZE_kprobes.o := n
 UBSAN_SANITIZE_kprobes.o := n
 GCOV_PROFILE_kprobes-ftrace.o := n
 KCOV_INSTRUMENT_kprobes-ftrace.o := n
 KCSAN_SANITIZE_kprobes-ftrace.o := n
 UBSAN_SANITIZE_kprobes-ftrace.o := n
 GCOV_PROFILE_syscall_64.o := n
 KCOV_INSTRUMENT_syscall_64.o := n
 UBSAN_SANITIZE_syscall_64.o := n
 UBSAN_SANITIZE_vdso.o := n

 # Necessary for booting with kcov enabled on book3e machines
 KCOV_INSTRUMENT_cputable.o := n
 KCOV_INSTRUMENT_setup_64.o := n
 KCOV_INSTRUMENT_paca.o := n

 CFLAGS_setup_64.o		+= -fno-stack-protector
 CFLAGS_paca.o			+= -fno-stack-protector

 obj-$(CONFIG_PPC_FPU)		+= fpu.o
 obj-$(CONFIG_ALTIVEC)		+= vector.o
 obj-$(CONFIG_PPC64)		+= entry_64.o
 obj-$(CONFIG_PPC_OF_BOOT_TRAMPOLINE)	+= prom_init.o

 extra-$(CONFIG_PPC_OF_BOOT_TRAMPOLINE)	+= prom_init_check

 quiet_cmd_prom_init_check = PROMCHK $@
       cmd_prom_init_check = $(CONFIG_SHELL) $< "$(NM)" $(obj)/prom_init.o; touch $@

 $(obj)/prom_init_check: $(src)/prom_init_check.sh $(obj)/prom_init.o FORCE
 	$(call if_changed,prom_init_check)
 targets += prom_init_check

 clean-files := vmlinux.lds

 # Force dependency (incbin is bad)
 $(obj)/vdso32_wrapper.o : $(obj)/vdso/vdso32.so.dbg
 $(obj)/vdso64_wrapper.o : $(obj)/vdso/vdso64.so.dbg

 # for cleaning
 subdir- += vdso
	# SPDX-License-Identifier: GPL-2.0
	#
	# Makefile for the linux kernel.
	#

	ifdef CONFIG_PPC64
	CFLAGS_prom_init.o += $(NO_MINIMAL_TOC)
	endif
	ifdef CONFIG_PPC32
	CFLAGS_prom_init.o += -fPIC
	CFLAGS_btext.o += -fPIC
	endif

	CFLAGS_early_32.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
	CFLAGS_cputable.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
	CFLAGS_prom_init.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
	CFLAGS_btext.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
	CFLAGS_prom.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)

	CFLAGS_prom_init.o += -fno-stack-protector
	CFLAGS_prom_init.o += -DDISABLE_BRANCH_PROFILING
	CFLAGS_prom_init.o += -ffreestanding
	CFLAGS_prom_init.o += $(call cc-option, -ftrivial-auto-var-init=uninitialized)

	ifdef CONFIG_FUNCTION_TRACER
	# Do not trace early boot code
	CFLAGS_REMOVE_cputable.o = $(CC_FLAGS_FTRACE)
	CFLAGS_REMOVE_prom_init.o = $(CC_FLAGS_FTRACE)
	CFLAGS_REMOVE_btext.o = $(CC_FLAGS_FTRACE)
	CFLAGS_REMOVE_prom.o = $(CC_FLAGS_FTRACE)
	endif

	KASAN_SANITIZE_early_32.o := n
	KASAN_SANITIZE_cputable.o := n
	KASAN_SANITIZE_prom_init.o := n
	KASAN_SANITIZE_btext.o := n
	KASAN_SANITIZE_paca.o := n
	KASAN_SANITIZE_setup_64.o := n
	KASAN_SANITIZE_mce.o := n
	KASAN_SANITIZE_mce_power.o := n
	KASAN_SANITIZE_udbg.o := n
	KASAN_SANITIZE_udbg_16550.o := n

	# we have to be particularly careful in ppc64 to exclude code that
	# runs with translations off, as we cannot access the shadow with
	# translations off. However, ppc32 can sanitize this.
	ifdef CONFIG_PPC64
	KASAN_SANITIZE_traps.o := n
	endif

	ifdef CONFIG_KASAN
	CFLAGS_early_32.o += -DDISABLE_BRANCH_PROFILING
	CFLAGS_cputable.o += -DDISABLE_BRANCH_PROFILING
	CFLAGS_btext.o += -DDISABLE_BRANCH_PROFILING
	endif

	KCSAN_SANITIZE_early_32.o := n
	KCSAN_SANITIZE_early_64.o := n
	KCSAN_SANITIZE_cputable.o := n
	KCSAN_SANITIZE_btext.o := n
	KCSAN_SANITIZE_paca.o := n
	KCSAN_SANITIZE_setup_64.o := n

	#ifdef CONFIG_RANDOMIZE_KSTACK_OFFSET
	# Remove stack protector to avoid triggering unneeded stack canary
	# checks due to randomize_kstack_offset.
	CFLAGS_REMOVE_syscall.o = -fstack-protector -fstack-protector-strong
	CFLAGS_syscall.o += -fno-stack-protector
	#endif

	obj-y := cputable.o syscalls.o \
	irq.o align.o signal_$(BITS).o pmc.o vdso.o \
	process.o systbl.o idle.o \
	signal.o sysfs.o cacheinfo.o time.o \
	prom.o traps.o setup-common.o \
	udbg.o misc.o io.o misc_$(BITS).o \
	of_platform.o prom_parse.o firmware.o \
	hw_breakpoint_constraints.o interrupt.o \
	kdebugfs.o stacktrace.o syscall.o
	obj-y += ptrace/
	obj-$(CONFIG_PPC64) += setup_64.o irq_64.o\
	paca.o nvram_64.o note.o
	obj-$(CONFIG_PPC32) += sys_ppc32.o
	obj-$(CONFIG_COMPAT) += sys_ppc32.o signal_32.o
	obj-$(CONFIG_VDSO32) += vdso32_wrapper.o
	obj-$(CONFIG_PPC_WATCHDOG) += watchdog.o
	obj-$(CONFIG_HAVE_HW_BREAKPOINT) += hw_breakpoint.o
	obj-$(CONFIG_PPC_DAWR) += dawr.o
	obj-$(CONFIG_PPC_BOOK3S_64) += cpu_setup_ppc970.o cpu_setup_pa6t.o
	obj-$(CONFIG_PPC_BOOK3S_64) += cpu_setup_power.o
	obj-$(CONFIG_PPC_BOOK3S_64) += mce.o mce_power.o
	obj-$(CONFIG_PPC_BOOK3E_64) += exceptions-64e.o idle_64e.o
	obj-$(CONFIG_PPC_BARRIER_NOSPEC) += security.o
	obj-$(CONFIG_PPC64) += vdso64_wrapper.o
	obj-$(CONFIG_ALTIVEC) += vecemu.o
	obj-$(CONFIG_PPC_BOOK3S_IDLE) += idle_book3s.o
	procfs-y := proc_powerpc.o
	obj-$(CONFIG_PROC_FS) += $(procfs-y)
	rtaspci-$(CONFIG_PPC64)-$(CONFIG_PCI) := rtas_pci.o
	obj-$(CONFIG_PPC_RTAS) += rtas_entry.o rtas.o rtas-rtc.o $(rtaspci-y-y)
	obj-$(CONFIG_PPC_RTAS_DAEMON) += rtasd.o
	obj-$(CONFIG_RTAS_FLASH) += rtas_flash.o
	obj-$(CONFIG_RTAS_PROC) += rtas-proc.o
	obj-$(CONFIG_PPC_DT_CPU_FTRS) += dt_cpu_ftrs.o
	obj-$(CONFIG_EEH) += eeh.o eeh_pe.o eeh_cache.o \
	eeh_driver.o eeh_event.o eeh_sysfs.o
	obj-$(CONFIG_GENERIC_TBSYNC) += smp-tbsync.o
	obj-$(CONFIG_CRASH_DUMP) += crash_dump.o
	obj-$(CONFIG_FA_DUMP) += fadump.o
	obj-$(CONFIG_PRESERVE_FA_DUMP) += fadump.o
	obj-$(CONFIG_PPC_85xx) += idle_85xx.o
	obj-$(CONFIG_PPC_BOOK3S_32) += idle_6xx.o l2cr_6xx.o cpu_setup_6xx.o
	obj-$(CONFIG_TAU) += tau_6xx.o
	obj-$(CONFIG_HIBERNATION) += swsusp.o suspend.o
	ifdef CONFIG_PPC_85xx
	obj-$(CONFIG_HIBERNATION) += swsusp_85xx.o
	else
	obj-$(CONFIG_HIBERNATION) += swsusp_$(BITS).o
	endif
	obj64-$(CONFIG_HIBERNATION) += swsusp_asm64.o
	obj-$(CONFIG_MODULES) += module.o module_$(BITS).o
	obj-$(CONFIG_44x) += cpu_setup_44x.o
	obj-$(CONFIG_PPC_E500) += cpu_setup_e500.o
	obj-$(CONFIG_PPC_DOORBELL) += dbell.o
	obj-$(CONFIG_JUMP_LABEL) += jump_label.o

	obj-$(CONFIG_PPC64) += head_64.o
	obj-$(CONFIG_PPC_BOOK3S_32) += head_book3s_32.o
	obj-$(CONFIG_40x) += head_40x.o
	obj-$(CONFIG_44x) += head_44x.o
	obj-$(CONFIG_PPC_8xx) += head_8xx.o
	obj-$(CONFIG_PPC_85xx) += head_85xx.o
	extra-y += vmlinux.lds

	obj-$(CONFIG_RELOCATABLE) += reloc_$(BITS).o

	obj-$(CONFIG_PPC32) += entry_32.o setup_32.o early_32.o static_call.o
	obj-$(CONFIG_PPC64) += dma-iommu.o iommu.o
	obj-$(CONFIG_KGDB) += kgdb.o
	obj-$(CONFIG_BOOTX_TEXT) += btext.o
	obj-$(CONFIG_SMP) += smp.o
	obj-$(CONFIG_KPROBES) += kprobes.o
	obj-$(CONFIG_OPTPROBES) += optprobes.o optprobes_head.o
	obj-$(CONFIG_KPROBES_ON_FTRACE) += kprobes-ftrace.o
	obj-$(CONFIG_UPROBES) += uprobes.o
	obj-$(CONFIG_PPC_UDBG_16550) += legacy_serial.o udbg_16550.o
	obj-$(CONFIG_SWIOTLB) += dma-swiotlb.o
	obj-$(CONFIG_ARCH_HAS_DMA_SET_MASK) += dma-mask.o

	pci64-$(CONFIG_PPC64) += pci_dn.o pci-hotplug.o isa-bridge.o
	obj-$(CONFIG_PCI) += pci_$(BITS).o $(pci64-y) \
	pci-common.o pci_of_scan.o
	obj-$(CONFIG_PCI_MSI) += msi.o

	obj-$(CONFIG_AUDIT) += audit.o
	obj64-$(CONFIG_AUDIT) += compat_audit.o

	obj-$(CONFIG_PPC_IO_WORKAROUNDS) += io-workarounds.o

	obj-y += trace/

	ifneq ($(CONFIG_PPC_INDIRECT_PIO),y)
	obj-y += iomap.o
	endif

	obj64-$(CONFIG_PPC_TRANSACTIONAL_MEM) += tm.o

	obj-$(CONFIG_PPC64) += $(obj64-y)
	obj-$(CONFIG_PPC32) += $(obj32-y)

	ifneq ($(CONFIG_XMON)$(CONFIG_KEXEC_CORE)(CONFIG_PPC_BOOK3S),)
	obj-y += ppc_save_regs.o
	endif

	obj-$(CONFIG_EPAPR_PARAVIRT) += epapr_paravirt.o epapr_hcalls.o
	obj-$(CONFIG_KVM_GUEST) += kvm.o kvm_emul.o
	ifneq ($(CONFIG_PPC_POWERNV)$(CONFIG_PPC_SVM),)
	obj-y += ucall.o
	endif

	obj-$(CONFIG_PPC_SECURE_BOOT) += secure_boot.o ima_arch.o secvar-ops.o
	obj-$(CONFIG_PPC_SECVAR_SYSFS) += secvar-sysfs.o

	# Disable GCOV, KCOV & sanitizers in odd or sensitive code
	GCOV_PROFILE_prom_init.o := n
	KCOV_INSTRUMENT_prom_init.o := n
	KCSAN_SANITIZE_prom_init.o := n
	UBSAN_SANITIZE_prom_init.o := n
	GCOV_PROFILE_kprobes.o := n
	KCOV_INSTRUMENT_kprobes.o := n
	KCSAN_SANITIZE_kprobes.o := n
	UBSAN_SANITIZE_kprobes.o := n
	GCOV_PROFILE_kprobes-ftrace.o := n
	KCOV_INSTRUMENT_kprobes-ftrace.o := n
	KCSAN_SANITIZE_kprobes-ftrace.o := n
	UBSAN_SANITIZE_kprobes-ftrace.o := n
	GCOV_PROFILE_syscall_64.o := n
	KCOV_INSTRUMENT_syscall_64.o := n
	UBSAN_SANITIZE_syscall_64.o := n
	UBSAN_SANITIZE_vdso.o := n

	# Necessary for booting with kcov enabled on book3e machines
	KCOV_INSTRUMENT_cputable.o := n
	KCOV_INSTRUMENT_setup_64.o := n
	KCOV_INSTRUMENT_paca.o := n

	CFLAGS_setup_64.o += -fno-stack-protector
	CFLAGS_paca.o += -fno-stack-protector

	obj-$(CONFIG_PPC_FPU) += fpu.o
	obj-$(CONFIG_ALTIVEC) += vector.o
	obj-$(CONFIG_PPC64) += entry_64.o
	obj-$(CONFIG_PPC_OF_BOOT_TRAMPOLINE) += prom_init.o

	extra-$(CONFIG_PPC_OF_BOOT_TRAMPOLINE) += prom_init_check

	quiet_cmd_prom_init_check = PROMCHK $@
	cmd_prom_init_check = $(CONFIG_SHELL) $< "$(NM)" $(obj)/prom_init.o; touch $@

	$(obj)/prom_init_check: $(src)/prom_init_check.sh $(obj)/prom_init.o FORCE
	$(call if_changed,prom_init_check)
	targets += prom_init_check

	clean-files := vmlinux.lds

	# Force dependency (incbin is bad)
	$(obj)/vdso32_wrapper.o : $(obj)/vdso/vdso32.so.dbg
	$(obj)/vdso64_wrapper.o : $(obj)/vdso/vdso64.so.dbg

	# for cleaning
	subdir- += vdso