1# SPDX-License-Identifier: GPL-2.0 2# 3# Makefile for the linux kernel. 4# 5 6CFLAGS_ptrace.o += -DUTS_MACHINE='"$(UTS_MACHINE)"' 7 8# Disable clang warning for using setjmp without setjmp.h header 9CFLAGS_crash.o += $(call cc-disable-warning, builtin-requires-header) 10 11ifdef CONFIG_PPC64 12CFLAGS_prom_init.o += $(NO_MINIMAL_TOC) 13endif 14ifdef CONFIG_PPC32 15CFLAGS_prom_init.o += -fPIC 16CFLAGS_btext.o += -fPIC 17endif 18 19CFLAGS_cputable.o += $(DISABLE_LATENT_ENTROPY_PLUGIN) 20CFLAGS_prom_init.o += $(DISABLE_LATENT_ENTROPY_PLUGIN) 21CFLAGS_btext.o += $(DISABLE_LATENT_ENTROPY_PLUGIN) 22CFLAGS_prom.o += $(DISABLE_LATENT_ENTROPY_PLUGIN) 23 24CFLAGS_prom_init.o += $(call cc-option, -fno-stack-protector) 25 26ifdef CONFIG_FUNCTION_TRACER 27# Do not trace early boot code 28CFLAGS_REMOVE_cputable.o = $(CC_FLAGS_FTRACE) 29CFLAGS_REMOVE_prom_init.o = $(CC_FLAGS_FTRACE) 30CFLAGS_REMOVE_btext.o = $(CC_FLAGS_FTRACE) 31CFLAGS_REMOVE_prom.o = $(CC_FLAGS_FTRACE) 32endif 33 34KASAN_SANITIZE_early_32.o := n 35KASAN_SANITIZE_cputable.o := n 36KASAN_SANITIZE_prom_init.o := n 37KASAN_SANITIZE_btext.o := n 38 39ifdef CONFIG_KASAN 40CFLAGS_early_32.o += -DDISABLE_BRANCH_PROFILING 41CFLAGS_cputable.o += -DDISABLE_BRANCH_PROFILING 42CFLAGS_prom_init.o += -DDISABLE_BRANCH_PROFILING 43CFLAGS_btext.o += -DDISABLE_BRANCH_PROFILING 44endif 45 46obj-y := cputable.o ptrace.o syscalls.o \ 47 irq.o align.o signal_32.o pmc.o vdso.o \ 48 process.o systbl.o idle.o \ 49 signal.o sysfs.o cacheinfo.o time.o \ 50 prom.o traps.o setup-common.o \ 51 udbg.o misc.o io.o misc_$(BITS).o \ 52 of_platform.o prom_parse.o 53obj-$(CONFIG_PPC64) += setup_64.o sys_ppc32.o \ 54 signal_64.o ptrace32.o \ 55 paca.o nvram_64.o firmware.o note.o 56obj-$(CONFIG_VDSO32) += vdso32/ 57obj-$(CONFIG_PPC_WATCHDOG) += watchdog.o 58obj-$(CONFIG_HAVE_HW_BREAKPOINT) += hw_breakpoint.o 59obj-$(CONFIG_PPC_DAWR) += dawr.o 60obj-$(CONFIG_PPC_BOOK3S_64) += cpu_setup_ppc970.o cpu_setup_pa6t.o 61obj-$(CONFIG_PPC_BOOK3S_64) += cpu_setup_power.o 62obj-$(CONFIG_PPC_BOOK3S_64) += mce.o mce_power.o 63obj-$(CONFIG_PPC_BOOK3E_64) += exceptions-64e.o idle_book3e.o 64obj-$(CONFIG_PPC_BARRIER_NOSPEC) += security.o 65obj-$(CONFIG_PPC64) += vdso64/ 66obj-$(CONFIG_ALTIVEC) += vecemu.o 67obj-$(CONFIG_PPC_970_NAP) += idle_power4.o 68obj-$(CONFIG_PPC_P7_NAP) += idle_book3s.o 69procfs-y := proc_powerpc.o 70obj-$(CONFIG_PROC_FS) += $(procfs-y) 71rtaspci-$(CONFIG_PPC64)-$(CONFIG_PCI) := rtas_pci.o 72obj-$(CONFIG_PPC_RTAS) += rtas.o rtas-rtc.o $(rtaspci-y-y) 73obj-$(CONFIG_PPC_RTAS_DAEMON) += rtasd.o 74obj-$(CONFIG_RTAS_FLASH) += rtas_flash.o 75obj-$(CONFIG_RTAS_PROC) += rtas-proc.o 76obj-$(CONFIG_PPC_DT_CPU_FTRS) += dt_cpu_ftrs.o 77obj-$(CONFIG_EEH) += eeh.o eeh_pe.o eeh_dev.o eeh_cache.o \ 78 eeh_driver.o eeh_event.o eeh_sysfs.o 79obj-$(CONFIG_GENERIC_TBSYNC) += smp-tbsync.o 80obj-$(CONFIG_CRASH_DUMP) += crash_dump.o 81ifneq ($(CONFIG_FA_DUMP)$(CONFIG_PRESERVE_FA_DUMP),) 82obj-y += fadump.o 83endif 84ifdef CONFIG_PPC32 85obj-$(CONFIG_E500) += idle_e500.o 86endif 87obj-$(CONFIG_PPC_BOOK3S_32) += idle_6xx.o l2cr_6xx.o cpu_setup_6xx.o 88obj-$(CONFIG_TAU) += tau_6xx.o 89obj-$(CONFIG_HIBERNATION) += swsusp.o suspend.o 90ifdef CONFIG_FSL_BOOKE 91obj-$(CONFIG_HIBERNATION) += swsusp_booke.o 92else 93obj-$(CONFIG_HIBERNATION) += swsusp_$(BITS).o 94endif 95obj64-$(CONFIG_HIBERNATION) += swsusp_asm64.o 96obj-$(CONFIG_MODULES) += module.o module_$(BITS).o 97obj-$(CONFIG_44x) += cpu_setup_44x.o 98obj-$(CONFIG_PPC_FSL_BOOK3E) += cpu_setup_fsl_booke.o 99obj-$(CONFIG_PPC_DOORBELL) += dbell.o 100obj-$(CONFIG_JUMP_LABEL) += jump_label.o 101 102extra-y := head_$(BITS).o 103extra-$(CONFIG_40x) := head_40x.o 104extra-$(CONFIG_44x) := head_44x.o 105extra-$(CONFIG_FSL_BOOKE) := head_fsl_booke.o 106extra-$(CONFIG_PPC_8xx) := head_8xx.o 107extra-y += vmlinux.lds 108 109obj-$(CONFIG_RELOCATABLE) += reloc_$(BITS).o 110 111obj-$(CONFIG_PPC32) += entry_32.o setup_32.o early_32.o 112obj-$(CONFIG_PPC64) += dma-iommu.o iommu.o 113obj-$(CONFIG_KGDB) += kgdb.o 114obj-$(CONFIG_BOOTX_TEXT) += btext.o 115obj-$(CONFIG_SMP) += smp.o 116obj-$(CONFIG_KPROBES) += kprobes.o 117obj-$(CONFIG_OPTPROBES) += optprobes.o optprobes_head.o 118obj-$(CONFIG_KPROBES_ON_FTRACE) += kprobes-ftrace.o 119obj-$(CONFIG_UPROBES) += uprobes.o 120obj-$(CONFIG_PPC_UDBG_16550) += legacy_serial.o udbg_16550.o 121obj-$(CONFIG_STACKTRACE) += stacktrace.o 122obj-$(CONFIG_SWIOTLB) += dma-swiotlb.o 123obj-$(CONFIG_ARCH_HAS_DMA_SET_MASK) += dma-mask.o 124 125pci64-$(CONFIG_PPC64) += pci_dn.o pci-hotplug.o isa-bridge.o 126obj-$(CONFIG_PCI) += pci_$(BITS).o $(pci64-y) \ 127 pci-common.o pci_of_scan.o 128obj-$(CONFIG_PCI_MSI) += msi.o 129obj-$(CONFIG_KEXEC_CORE) += machine_kexec.o crash.o \ 130 machine_kexec_$(BITS).o 131obj-$(CONFIG_KEXEC_FILE) += machine_kexec_file_$(BITS).o kexec_elf_$(BITS).o 132ifdef CONFIG_HAVE_IMA_KEXEC 133ifdef CONFIG_IMA 134obj-y += ima_kexec.o 135endif 136endif 137 138obj-$(CONFIG_AUDIT) += audit.o 139obj64-$(CONFIG_AUDIT) += compat_audit.o 140 141obj-$(CONFIG_PPC_IO_WORKAROUNDS) += io-workarounds.o 142 143obj-y += trace/ 144 145ifneq ($(CONFIG_PPC_INDIRECT_PIO),y) 146obj-y += iomap.o 147endif 148 149obj64-$(CONFIG_PPC_TRANSACTIONAL_MEM) += tm.o 150 151obj-$(CONFIG_PPC64) += $(obj64-y) 152obj-$(CONFIG_PPC32) += $(obj32-y) 153 154ifneq ($(CONFIG_XMON)$(CONFIG_KEXEC_CORE)(CONFIG_PPC_BOOK3S),) 155obj-y += ppc_save_regs.o 156endif 157 158obj-$(CONFIG_EPAPR_PARAVIRT) += epapr_paravirt.o epapr_hcalls.o 159obj-$(CONFIG_KVM_GUEST) += kvm.o kvm_emul.o 160ifneq ($(CONFIG_PPC_POWERNV)$(CONFIG_PPC_SVM),) 161obj-y += ucall.o 162endif 163 164# Disable GCOV, KCOV & sanitizers in odd or sensitive code 165GCOV_PROFILE_prom_init.o := n 166KCOV_INSTRUMENT_prom_init.o := n 167UBSAN_SANITIZE_prom_init.o := n 168GCOV_PROFILE_machine_kexec_64.o := n 169KCOV_INSTRUMENT_machine_kexec_64.o := n 170UBSAN_SANITIZE_machine_kexec_64.o := n 171GCOV_PROFILE_machine_kexec_32.o := n 172KCOV_INSTRUMENT_machine_kexec_32.o := n 173UBSAN_SANITIZE_machine_kexec_32.o := n 174GCOV_PROFILE_kprobes.o := n 175KCOV_INSTRUMENT_kprobes.o := n 176UBSAN_SANITIZE_kprobes.o := n 177GCOV_PROFILE_kprobes-ftrace.o := n 178KCOV_INSTRUMENT_kprobes-ftrace.o := n 179UBSAN_SANITIZE_kprobes-ftrace.o := n 180UBSAN_SANITIZE_vdso.o := n 181 182# Necessary for booting with kcov enabled on book3e machines 183KCOV_INSTRUMENT_cputable.o := n 184KCOV_INSTRUMENT_setup_64.o := n 185KCOV_INSTRUMENT_paca.o := n 186 187extra-$(CONFIG_PPC_FPU) += fpu.o 188extra-$(CONFIG_ALTIVEC) += vector.o 189extra-$(CONFIG_PPC64) += entry_64.o 190extra-$(CONFIG_PPC_OF_BOOT_TRAMPOLINE) += prom_init.o 191 192extra-$(CONFIG_PPC_OF_BOOT_TRAMPOLINE) += prom_init_check 193 194quiet_cmd_prom_init_check = PROMCHK $@ 195 cmd_prom_init_check = $(CONFIG_SHELL) $< "$(NM)" $(obj)/prom_init.o; touch $@ 196 197$(obj)/prom_init_check: $(src)/prom_init_check.sh $(obj)/prom_init.o FORCE 198 $(call if_changed,prom_init_check) 199targets += prom_init_check 200 201clean-files := vmlinux.lds 202
