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# 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
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 = $(CC_FLAGS_FTRACE)
endif
KASAN_SANITIZE_early_32.o := n
KASAN_SANITIZE_cputable.o := n
KASAN_SANITIZE_prom_init.o := n
KASAN_SANITIZE_btext.o := n
KASAN_SANITIZE_paca.o := n
KASAN_SANITIZE_setup_64.o := n
KASAN_SANITIZE_mce.o := n
KASAN_SANITIZE_mce_power.o := n
KASAN_SANITIZE_udbg.o := n
KASAN_SANITIZE_udbg_16550.o := n
# we have to be particularly careful in ppc64 to exclude code that
# runs with translations off, as we cannot access the shadow with
# translations off. However, ppc32 can sanitize this.
ifdef CONFIG_PPC64
KASAN_SANITIZE_traps.o := n
endif
ifdef CONFIG_KASAN
CFLAGS_early_32.o += -DDISABLE_BRANCH_PROFILING
CFLAGS_cputable.o += -DDISABLE_BRANCH_PROFILING
CFLAGS_btext.o += -DDISABLE_BRANCH_PROFILING
endif
obj-y := cputable.o syscalls.o \
irq.o align.o signal_$(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_$(BITS).o \
of_platform.o prom_parse.o firmware.o \
hw_breakpoint_constraints.o interrupt.o \
kdebugfs.o stacktrace.o
obj-y += ptrace/
obj-$(CONFIG_PPC64) += setup_64.o \
paca.o nvram_64.o note.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-$(CONFIG_PPC_BOOK3E_64) += exceptions-64e.o idle_book3e.o
obj-$(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
ifdef CONFIG_PPC32
obj-$(CONFIG_E500) += idle_e500.o
endif
obj-$(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_FSL_BOOKE
obj-$(CONFIG_HIBERNATION) += swsusp_booke.o
else
obj-$(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_FSL_BOOK3E) += cpu_setup_fsl_booke.o
obj-$(CONFIG_PPC_DOORBELL) += dbell.o
obj-$(CONFIG_JUMP_LABEL) += jump_label.o
extra-$(CONFIG_PPC64) := head_64.o
extra-$(CONFIG_PPC_BOOK3S_32) := head_book3s_32.o
extra-$(CONFIG_40x) := head_40x.o
extra-$(CONFIG_44x) := head_44x.o
extra-$(CONFIG_FSL_BOOKE) := head_fsl_booke.o
extra-$(CONFIG_PPC_8xx) := head_8xx.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-$(CONFIG_PPC_SECVAR_SYSFS) += secvar-sysfs.o
# Disable GCOV, KCOV & sanitizers in odd or sensitive code
GCOV_PROFILE_prom_init.o := n
KCOV_INSTRUMENT_prom_init.o := n
UBSAN_SANITIZE_prom_init.o := n
GCOV_PROFILE_kprobes.o := n
KCOV_INSTRUMENT_kprobes.o := n
UBSAN_SANITIZE_kprobes.o := n
GCOV_PROFILE_kprobes-ftrace.o := n
KCOV_INSTRUMENT_kprobes-ftrace.o := n
UBSAN_SANITIZE_kprobes-ftrace.o := n
GCOV_PROFILE_syscall_64.o := n
KCOV_INSTRUMENT_syscall_64.o := n
UBSAN_SANITIZE_syscall_64.o := n
UBSAN_SANITIZE_vdso.o := n
# Necessary for booting with kcov enabled on book3e machines
KCOV_INSTRUMENT_cputable.o := n
KCOV_INSTRUMENT_setup_64.o := n
KCOV_INSTRUMENT_paca.o := n
CFLAGS_setup_64.o += -fno-stack-protector
CFLAGS_paca.o += -fno-stack-protector
extra-$(CONFIG_PPC_FPU) += fpu.o
extra-$(CONFIG_ALTIVEC) += vector.o
extra-$(CONFIG_PPC64) += entry_64.o
extra-$(CONFIG_PPC_OF_BOOT_TRAMPOLINE) += prom_init.o
extra-$(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
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