1# SPDX-License-Identifier: GPL-2.0 2# 3# Makefile for the linux kernel. 4# 5 6ifdef CONFIG_PPC64 7CFLAGS_prom_init.o += $(NO_MINIMAL_TOC) 8endif 9ifdef CONFIG_PPC32 10CFLAGS_prom_init.o += -fPIC 11CFLAGS_btext.o += -fPIC 12endif 13 14CFLAGS_early_32.o += $(DISABLE_LATENT_ENTROPY_PLUGIN) 15CFLAGS_cputable.o += $(DISABLE_LATENT_ENTROPY_PLUGIN) 16CFLAGS_prom_init.o += $(DISABLE_LATENT_ENTROPY_PLUGIN) 17CFLAGS_btext.o += $(DISABLE_LATENT_ENTROPY_PLUGIN) 18CFLAGS_prom.o += $(DISABLE_LATENT_ENTROPY_PLUGIN) 19 20CFLAGS_prom_init.o += -fno-stack-protector 21CFLAGS_prom_init.o += -DDISABLE_BRANCH_PROFILING 22CFLAGS_prom_init.o += -ffreestanding 23CFLAGS_prom_init.o += $(call cc-option, -ftrivial-auto-var-init=uninitialized) 24 25ifdef CONFIG_FUNCTION_TRACER 26# Do not trace early boot code 27CFLAGS_REMOVE_cputable.o = $(CC_FLAGS_FTRACE) 28CFLAGS_REMOVE_prom_init.o = $(CC_FLAGS_FTRACE) 29CFLAGS_REMOVE_btext.o = $(CC_FLAGS_FTRACE) 30CFLAGS_REMOVE_prom.o = $(CC_FLAGS_FTRACE) 31endif 32 33KASAN_SANITIZE_early_32.o := n 34KASAN_SANITIZE_cputable.o := n 35KASAN_SANITIZE_prom_init.o := n 36KASAN_SANITIZE_btext.o := n 37 38ifdef CONFIG_KASAN 39CFLAGS_early_32.o += -DDISABLE_BRANCH_PROFILING 40CFLAGS_cputable.o += -DDISABLE_BRANCH_PROFILING 41CFLAGS_btext.o += -DDISABLE_BRANCH_PROFILING 42endif 43 44obj-y := cputable.o syscalls.o \ 45 irq.o align.o signal_$(BITS).o pmc.o vdso.o \ 46 process.o systbl.o idle.o \ 47 signal.o sysfs.o cacheinfo.o time.o \ 48 prom.o traps.o setup-common.o \ 49 udbg.o misc.o io.o misc_$(BITS).o \ 50 of_platform.o prom_parse.o firmware.o \ 51 hw_breakpoint_constraints.o interrupt.o \ 52 kdebugfs.o stacktrace.o 53obj-y += ptrace/ 54obj-$(CONFIG_PPC64) += setup_64.o \ 55 paca.o nvram_64.o note.o 56obj-$(CONFIG_COMPAT) += sys_ppc32.o signal_32.o 57obj-$(CONFIG_VDSO32) += vdso32_wrapper.o 58obj-$(CONFIG_PPC_WATCHDOG) += watchdog.o 59obj-$(CONFIG_HAVE_HW_BREAKPOINT) += hw_breakpoint.o 60obj-$(CONFIG_PPC_DAWR) += dawr.o 61obj-$(CONFIG_PPC_BOOK3S_64) += cpu_setup_ppc970.o cpu_setup_pa6t.o 62obj-$(CONFIG_PPC_BOOK3S_64) += cpu_setup_power.o 63obj-$(CONFIG_PPC_BOOK3S_64) += mce.o mce_power.o 64obj-$(CONFIG_PPC_BOOK3E_64) += exceptions-64e.o idle_book3e.o 65obj-$(CONFIG_PPC_BARRIER_NOSPEC) += security.o 66obj-$(CONFIG_PPC64) += vdso64_wrapper.o 67obj-$(CONFIG_ALTIVEC) += vecemu.o 68obj-$(CONFIG_PPC_BOOK3S_IDLE) += idle_book3s.o 69procfs-y := proc_powerpc.o 70obj-$(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_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 81obj-$(CONFIG_FA_DUMP) += fadump.o 82obj-$(CONFIG_PRESERVE_FA_DUMP) += fadump.o 83ifdef CONFIG_PPC32 84obj-$(CONFIG_E500) += idle_e500.o 85endif 86obj-$(CONFIG_PPC_BOOK3S_32) += idle_6xx.o l2cr_6xx.o cpu_setup_6xx.o 87obj-$(CONFIG_TAU) += tau_6xx.o 88obj-$(CONFIG_HIBERNATION) += swsusp.o suspend.o 89ifdef CONFIG_FSL_BOOKE 90obj-$(CONFIG_HIBERNATION) += swsusp_booke.o 91else 92obj-$(CONFIG_HIBERNATION) += swsusp_$(BITS).o 93endif 94obj64-$(CONFIG_HIBERNATION) += swsusp_asm64.o 95obj-$(CONFIG_MODULES) += module.o module_$(BITS).o 96obj-$(CONFIG_44x) += cpu_setup_44x.o 97obj-$(CONFIG_PPC_FSL_BOOK3E) += cpu_setup_fsl_booke.o 98obj-$(CONFIG_PPC_DOORBELL) += dbell.o 99obj-$(CONFIG_JUMP_LABEL) += jump_label.o 100 101extra-$(CONFIG_PPC64) := head_64.o 102extra-$(CONFIG_PPC_BOOK3S_32) := head_book3s_32.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-$(CONFIG_SWIOTLB) += dma-swiotlb.o 122obj-$(CONFIG_ARCH_HAS_DMA_SET_MASK) += dma-mask.o 123 124pci64-$(CONFIG_PPC64) += pci_dn.o pci-hotplug.o isa-bridge.o 125obj-$(CONFIG_PCI) += pci_$(BITS).o $(pci64-y) \ 126 pci-common.o pci_of_scan.o 127obj-$(CONFIG_PCI_MSI) += msi.o 128 129obj-$(CONFIG_AUDIT) += audit.o 130obj64-$(CONFIG_AUDIT) += compat_audit.o 131 132obj-$(CONFIG_PPC_IO_WORKAROUNDS) += io-workarounds.o 133 134obj-y += trace/ 135 136ifneq ($(CONFIG_PPC_INDIRECT_PIO),y) 137obj-y += iomap.o 138endif 139 140obj64-$(CONFIG_PPC_TRANSACTIONAL_MEM) += tm.o 141 142obj-$(CONFIG_PPC64) += $(obj64-y) 143obj-$(CONFIG_PPC32) += $(obj32-y) 144 145ifneq ($(CONFIG_XMON)$(CONFIG_KEXEC_CORE)(CONFIG_PPC_BOOK3S),) 146obj-y += ppc_save_regs.o 147endif 148 149obj-$(CONFIG_EPAPR_PARAVIRT) += epapr_paravirt.o epapr_hcalls.o 150obj-$(CONFIG_KVM_GUEST) += kvm.o kvm_emul.o 151ifneq ($(CONFIG_PPC_POWERNV)$(CONFIG_PPC_SVM),) 152obj-y += ucall.o 153endif 154 155obj-$(CONFIG_PPC_SECURE_BOOT) += secure_boot.o ima_arch.o secvar-ops.o 156obj-$(CONFIG_PPC_SECVAR_SYSFS) += secvar-sysfs.o 157 158# Disable GCOV, KCOV & sanitizers in odd or sensitive code 159GCOV_PROFILE_prom_init.o := n 160KCOV_INSTRUMENT_prom_init.o := n 161UBSAN_SANITIZE_prom_init.o := n 162GCOV_PROFILE_kprobes.o := n 163KCOV_INSTRUMENT_kprobes.o := n 164UBSAN_SANITIZE_kprobes.o := n 165GCOV_PROFILE_kprobes-ftrace.o := n 166KCOV_INSTRUMENT_kprobes-ftrace.o := n 167UBSAN_SANITIZE_kprobes-ftrace.o := n 168GCOV_PROFILE_syscall_64.o := n 169KCOV_INSTRUMENT_syscall_64.o := n 170UBSAN_SANITIZE_syscall_64.o := n 171UBSAN_SANITIZE_vdso.o := n 172 173# Necessary for booting with kcov enabled on book3e machines 174KCOV_INSTRUMENT_cputable.o := n 175KCOV_INSTRUMENT_setup_64.o := n 176KCOV_INSTRUMENT_paca.o := n 177 178CFLAGS_setup_64.o += -fno-stack-protector 179CFLAGS_paca.o += -fno-stack-protector 180 181extra-$(CONFIG_PPC_FPU) += fpu.o 182extra-$(CONFIG_ALTIVEC) += vector.o 183extra-$(CONFIG_PPC64) += entry_64.o 184extra-$(CONFIG_PPC_OF_BOOT_TRAMPOLINE) += prom_init.o 185 186extra-$(CONFIG_PPC_OF_BOOT_TRAMPOLINE) += prom_init_check 187 188quiet_cmd_prom_init_check = PROMCHK $@ 189 cmd_prom_init_check = $(CONFIG_SHELL) $< "$(NM)" $(obj)/prom_init.o; touch $@ 190 191$(obj)/prom_init_check: $(src)/prom_init_check.sh $(obj)/prom_init.o FORCE 192 $(call if_changed,prom_init_check) 193targets += prom_init_check 194 195clean-files := vmlinux.lds 196 197# Force dependency (incbin is bad) 198$(obj)/vdso32_wrapper.o : $(obj)/vdso32/vdso32.so.dbg 199$(obj)/vdso64_wrapper.o : $(obj)/vdso64/vdso64.so.dbg 200 201# for cleaning 202subdir- += vdso32 vdso64 203