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 \ 53 dma-common.o 54obj-$(CONFIG_PPC64) += setup_64.o sys_ppc32.o \ 55 signal_64.o ptrace32.o \ 56 paca.o nvram_64.o firmware.o 57obj-$(CONFIG_VDSO32) += vdso32/ 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-$(CONFIG_PPC64) += vdso64/ 67obj-$(CONFIG_ALTIVEC) += vecemu.o 68obj-$(CONFIG_PPC_970_NAP) += idle_power4.o 69obj-$(CONFIG_PPC_P7_NAP) += idle_book3s.o 70procfs-y := proc_powerpc.o 71obj-$(CONFIG_PROC_FS) += $(procfs-y) 72rtaspci-$(CONFIG_PPC64)-$(CONFIG_PCI) := rtas_pci.o 73obj-$(CONFIG_PPC_RTAS) += rtas.o rtas-rtc.o $(rtaspci-y-y) 74obj-$(CONFIG_PPC_RTAS_DAEMON) += rtasd.o 75obj-$(CONFIG_RTAS_FLASH) += rtas_flash.o 76obj-$(CONFIG_RTAS_PROC) += rtas-proc.o 77obj-$(CONFIG_PPC_DT_CPU_FTRS) += dt_cpu_ftrs.o 78obj-$(CONFIG_EEH) += eeh.o eeh_pe.o eeh_dev.o eeh_cache.o \ 79 eeh_driver.o eeh_event.o eeh_sysfs.o 80obj-$(CONFIG_GENERIC_TBSYNC) += smp-tbsync.o 81obj-$(CONFIG_CRASH_DUMP) += crash_dump.o 82obj-$(CONFIG_FA_DUMP) += fadump.o 83ifdef CONFIG_PPC32 84obj-$(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-$(CONFIG_JUMP_LABEL) += jump_label.o 100 101extra-y := head_$(BITS).o 102extra-$(CONFIG_40x) := head_40x.o 103extra-$(CONFIG_44x) := head_44x.o 104extra-$(CONFIG_FSL_BOOKE) := head_fsl_booke.o 105extra-$(CONFIG_PPC_8xx) := head_8xx.o 106extra-y += vmlinux.lds 107 108obj-$(CONFIG_RELOCATABLE) += reloc_$(BITS).o 109 110obj-$(CONFIG_PPC32) += entry_32.o setup_32.o early_32.o 111obj-$(CONFIG_PPC64) += dma-iommu.o iommu.o 112obj-$(CONFIG_KGDB) += kgdb.o 113obj-$(CONFIG_BOOTX_TEXT) += btext.o 114obj-$(CONFIG_SMP) += smp.o 115obj-$(CONFIG_KPROBES) += kprobes.o 116obj-$(CONFIG_OPTPROBES) += optprobes.o optprobes_head.o 117obj-$(CONFIG_KPROBES_ON_FTRACE) += kprobes-ftrace.o 118obj-$(CONFIG_UPROBES) += uprobes.o 119obj-$(CONFIG_PPC_UDBG_16550) += legacy_serial.o udbg_16550.o 120obj-$(CONFIG_STACKTRACE) += stacktrace.o 121obj-$(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 128obj-$(CONFIG_KEXEC_CORE) += machine_kexec.o crash.o \ 129 machine_kexec_$(BITS).o 130obj-$(CONFIG_KEXEC_FILE) += machine_kexec_file_$(BITS).o kexec_elf_$(BITS).o 131ifdef CONFIG_HAVE_IMA_KEXEC 132ifdef CONFIG_IMA 133obj-y += ima_kexec.o 134endif 135endif 136 137obj-$(CONFIG_AUDIT) += audit.o 138obj64-$(CONFIG_AUDIT) += compat_audit.o 139 140obj-$(CONFIG_PPC_IO_WORKAROUNDS) += io-workarounds.o 141 142obj-y += trace/ 143 144ifneq ($(CONFIG_PPC_INDIRECT_PIO),y) 145obj-y += iomap.o 146endif 147 148obj64-$(CONFIG_PPC_TRANSACTIONAL_MEM) += tm.o 149 150obj-$(CONFIG_PPC64) += $(obj64-y) 151obj-$(CONFIG_PPC32) += $(obj32-y) 152 153ifneq ($(CONFIG_XMON)$(CONFIG_KEXEC_CORE)(CONFIG_PPC_BOOK3S),) 154obj-y += ppc_save_regs.o 155endif 156 157obj-$(CONFIG_EPAPR_PARAVIRT) += epapr_paravirt.o epapr_hcalls.o 158obj-$(CONFIG_KVM_GUEST) += kvm.o kvm_emul.o 159 160# Disable GCOV, KCOV & sanitizers in odd or sensitive code 161GCOV_PROFILE_prom_init.o := n 162KCOV_INSTRUMENT_prom_init.o := n 163UBSAN_SANITIZE_prom_init.o := n 164GCOV_PROFILE_machine_kexec_64.o := n 165KCOV_INSTRUMENT_machine_kexec_64.o := n 166UBSAN_SANITIZE_machine_kexec_64.o := n 167GCOV_PROFILE_machine_kexec_32.o := n 168KCOV_INSTRUMENT_machine_kexec_32.o := n 169UBSAN_SANITIZE_machine_kexec_32.o := n 170GCOV_PROFILE_kprobes.o := n 171KCOV_INSTRUMENT_kprobes.o := n 172UBSAN_SANITIZE_kprobes.o := n 173GCOV_PROFILE_kprobes-ftrace.o := n 174KCOV_INSTRUMENT_kprobes-ftrace.o := n 175UBSAN_SANITIZE_kprobes-ftrace.o := n 176UBSAN_SANITIZE_vdso.o := n 177 178# Necessary for booting with kcov enabled on book3e machines 179KCOV_INSTRUMENT_cputable.o := n 180KCOV_INSTRUMENT_setup_64.o := n 181KCOV_INSTRUMENT_paca.o := n 182 183extra-$(CONFIG_PPC_FPU) += fpu.o 184extra-$(CONFIG_ALTIVEC) += vector.o 185extra-$(CONFIG_PPC64) += entry_64.o 186extra-$(CONFIG_PPC_OF_BOOT_TRAMPOLINE) += prom_init.o 187 188ifdef CONFIG_PPC_OF_BOOT_TRAMPOLINE 189$(obj)/built-in.a: prom_init_check 190 191quiet_cmd_prom_init_check = CALL $< 192 cmd_prom_init_check = $(CONFIG_SHELL) $< "$(NM)" "$(obj)/prom_init.o" 193 194PHONY += prom_init_check 195prom_init_check: $(src)/prom_init_check.sh $(obj)/prom_init.o 196 $(call cmd,prom_init_check) 197endif 198 199clean-files := vmlinux.lds 200