linux-yocto/arch/powerpc/kernel/Makefile

SPDX-License-Identifier: GPL-2.0

Makefile for the linux kernel.

ifdef CONFIG_PPC64 CFLAGS_prom_init.o += $(NO_MINIMAL_TOC) $(call cc-disable-warning, attribute-alias) CFLAGS_ptrace.o += $(call cc-disable-warning, array-bounds) CFLAGS_syscalls.o += $(call cc-disable-warning, attribute-alias) endif ifdef CONFIG_PPC32 CFLAGS_prom_init.o += -fPIC CFLAGS_btext.o += -fPIC endif

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 += $(call cc-option, -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

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 obj-y += ptrace/ obj-$(CONFIG_PPC64) += setup_64.o
paca.o nvram_64.o firmware.o note.o
syscall_64.o obj-$(CONFIG_COMPAT) += sys_ppc32.o signal_32.o obj-$(CONFIG_VDSO32) += vdso32/ obj-$(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/ 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.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_dev.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-y := head_$(BITS).o extra-$(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-$(CONFIG_PPC32) += entry_32.o setup_32.o early_32.o obj-$(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-$(CONFIG_STACKTRACE) += stacktrace.o obj-$(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

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