1# SPDX-License-Identifier: GPL-2.0 2# 3# Makefile for the linux kernel. 4# 5 6CFLAGS_ptrace.o += -DUTS_MACHINE='"$(UTS_MACHINE)"' 7 8# Avoid clang warnings around longjmp/setjmp declarations 9CFLAGS_crash.o += -ffreestanding 10 11subdir-ccflags-$(CONFIG_PPC_WERROR) := -Werror 12 13ifeq ($(CONFIG_PPC64),y) 14CFLAGS_prom_init.o += $(NO_MINIMAL_TOC) 15endif 16ifeq ($(CONFIG_PPC32),y) 17CFLAGS_prom_init.o += -fPIC 18CFLAGS_btext.o += -fPIC 19endif 20 21CFLAGS_cputable.o += $(DISABLE_LATENT_ENTROPY_PLUGIN) 22CFLAGS_prom_init.o += $(DISABLE_LATENT_ENTROPY_PLUGIN) 23CFLAGS_btext.o += $(DISABLE_LATENT_ENTROPY_PLUGIN) 24CFLAGS_prom.o += $(DISABLE_LATENT_ENTROPY_PLUGIN) 25 26ifdef CONFIG_FUNCTION_TRACER 27# Do not trace early boot code 28CFLAGS_REMOVE_cputable.o = -mno-sched-epilog $(CC_FLAGS_FTRACE) 29CFLAGS_REMOVE_prom_init.o = -mno-sched-epilog $(CC_FLAGS_FTRACE) 30CFLAGS_REMOVE_btext.o = -mno-sched-epilog $(CC_FLAGS_FTRACE) 31CFLAGS_REMOVE_prom.o = -mno-sched-epilog $(CC_FLAGS_FTRACE) 32endif 33 34obj-y := cputable.o ptrace.o syscalls.o \ 35 irq.o align.o signal_32.o pmc.o vdso.o \ 36 process.o systbl.o idle.o \ 37 signal.o sysfs.o cacheinfo.o time.o \ 38 prom.o traps.o setup-common.o \ 39 udbg.o misc.o io.o dma.o misc_$(BITS).o \ 40 of_platform.o prom_parse.o 41obj-$(CONFIG_PPC64) += setup_64.o sys_ppc32.o \ 42 signal_64.o ptrace32.o \ 43 paca.o nvram_64.o firmware.o 44obj-$(CONFIG_VDSO32) += vdso32/ 45obj-$(CONFIG_PPC_WATCHDOG) += watchdog.o 46obj-$(CONFIG_HAVE_HW_BREAKPOINT) += hw_breakpoint.o 47obj-$(CONFIG_PPC_BOOK3S_64) += cpu_setup_ppc970.o cpu_setup_pa6t.o 48obj-$(CONFIG_PPC_BOOK3S_64) += cpu_setup_power.o 49obj-$(CONFIG_PPC_BOOK3S_64) += mce.o mce_power.o 50obj-$(CONFIG_PPC_BOOK3E_64) += exceptions-64e.o idle_book3e.o 51obj-$(CONFIG_PPC_BARRIER_NOSPEC) += security.o 52obj-$(CONFIG_PPC64) += vdso64/ 53obj-$(CONFIG_ALTIVEC) += vecemu.o 54obj-$(CONFIG_PPC_970_NAP) += idle_power4.o 55obj-$(CONFIG_PPC_P7_NAP) += idle_book3s.o 56procfs-y := proc_powerpc.o 57obj-$(CONFIG_PROC_FS) += $(procfs-y) 58rtaspci-$(CONFIG_PPC64)-$(CONFIG_PCI) := rtas_pci.o 59obj-$(CONFIG_PPC_RTAS) += rtas.o rtas-rtc.o $(rtaspci-y-y) 60obj-$(CONFIG_PPC_RTAS_DAEMON) += rtasd.o 61obj-$(CONFIG_RTAS_FLASH) += rtas_flash.o 62obj-$(CONFIG_RTAS_PROC) += rtas-proc.o 63obj-$(CONFIG_PPC_DT_CPU_FTRS) += dt_cpu_ftrs.o 64obj-$(CONFIG_EEH) += eeh.o eeh_pe.o eeh_dev.o eeh_cache.o \ 65 eeh_driver.o eeh_event.o eeh_sysfs.o 66obj-$(CONFIG_GENERIC_TBSYNC) += smp-tbsync.o 67obj-$(CONFIG_CRASH_DUMP) += crash_dump.o 68obj-$(CONFIG_FA_DUMP) += fadump.o 69ifeq ($(CONFIG_PPC32),y) 70obj-$(CONFIG_E500) += idle_e500.o 71endif 72obj-$(CONFIG_6xx) += idle_6xx.o l2cr_6xx.o cpu_setup_6xx.o 73obj-$(CONFIG_TAU) += tau_6xx.o 74obj-$(CONFIG_HIBERNATION) += swsusp.o suspend.o 75ifeq ($(CONFIG_FSL_BOOKE),y) 76obj-$(CONFIG_HIBERNATION) += swsusp_booke.o 77else 78obj-$(CONFIG_HIBERNATION) += swsusp_$(BITS).o 79endif 80obj64-$(CONFIG_HIBERNATION) += swsusp_asm64.o 81obj-$(CONFIG_MODULES) += module.o module_$(BITS).o 82obj-$(CONFIG_44x) += cpu_setup_44x.o 83obj-$(CONFIG_PPC_FSL_BOOK3E) += cpu_setup_fsl_booke.o 84obj-$(CONFIG_PPC_DOORBELL) += dbell.o 85obj-$(CONFIG_JUMP_LABEL) += jump_label.o 86 87extra-y := head_$(BITS).o 88extra-$(CONFIG_40x) := head_40x.o 89extra-$(CONFIG_44x) := head_44x.o 90extra-$(CONFIG_FSL_BOOKE) := head_fsl_booke.o 91extra-$(CONFIG_PPC_8xx) := head_8xx.o 92extra-y += vmlinux.lds 93 94obj-$(CONFIG_RELOCATABLE) += reloc_$(BITS).o 95 96obj-$(CONFIG_PPC32) += entry_32.o setup_32.o 97obj-$(CONFIG_PPC64) += dma-iommu.o iommu.o 98obj-$(CONFIG_KGDB) += kgdb.o 99obj-$(CONFIG_BOOTX_TEXT) += btext.o 100obj-$(CONFIG_SMP) += smp.o 101obj-$(CONFIG_KPROBES) += kprobes.o 102obj-$(CONFIG_OPTPROBES) += optprobes.o optprobes_head.o 103obj-$(CONFIG_KPROBES_ON_FTRACE) += kprobes-ftrace.o 104obj-$(CONFIG_UPROBES) += uprobes.o 105obj-$(CONFIG_PPC_UDBG_16550) += legacy_serial.o udbg_16550.o 106obj-$(CONFIG_STACKTRACE) += stacktrace.o 107obj-$(CONFIG_SWIOTLB) += dma-swiotlb.o 108 109pci64-$(CONFIG_PPC64) += pci_dn.o pci-hotplug.o isa-bridge.o 110obj-$(CONFIG_PCI) += pci_$(BITS).o $(pci64-y) \ 111 pci-common.o pci_of_scan.o 112obj-$(CONFIG_PCI_MSI) += msi.o 113obj-$(CONFIG_KEXEC_CORE) += machine_kexec.o crash.o \ 114 machine_kexec_$(BITS).o 115obj-$(CONFIG_KEXEC_FILE) += machine_kexec_file_$(BITS).o kexec_elf_$(BITS).o 116ifeq ($(CONFIG_HAVE_IMA_KEXEC)$(CONFIG_IMA),yy) 117obj-y += ima_kexec.o 118endif 119 120obj-$(CONFIG_AUDIT) += audit.o 121obj64-$(CONFIG_AUDIT) += compat_audit.o 122 123obj-$(CONFIG_PPC_IO_WORKAROUNDS) += io-workarounds.o 124 125obj-y += trace/ 126 127ifneq ($(CONFIG_PPC_INDIRECT_PIO),y) 128obj-y += iomap.o 129endif 130 131obj64-$(CONFIG_PPC_TRANSACTIONAL_MEM) += tm.o 132 133obj-$(CONFIG_PPC64) += $(obj64-y) 134obj-$(CONFIG_PPC32) += $(obj32-y) 135 136ifneq ($(CONFIG_XMON)$(CONFIG_KEXEC_CORE),) 137obj-y += ppc_save_regs.o 138endif 139 140obj-$(CONFIG_EPAPR_PARAVIRT) += epapr_paravirt.o epapr_hcalls.o 141obj-$(CONFIG_KVM_GUEST) += kvm.o kvm_emul.o 142 143# Disable GCOV & sanitizers in odd or sensitive code 144GCOV_PROFILE_prom_init.o := n 145UBSAN_SANITIZE_prom_init.o := n 146GCOV_PROFILE_machine_kexec_64.o := n 147UBSAN_SANITIZE_machine_kexec_64.o := n 148GCOV_PROFILE_machine_kexec_32.o := n 149UBSAN_SANITIZE_machine_kexec_32.o := n 150GCOV_PROFILE_kprobes.o := n 151UBSAN_SANITIZE_kprobes.o := n 152GCOV_PROFILE_kprobes-ftrace.o := n 153UBSAN_SANITIZE_kprobes-ftrace.o := n 154UBSAN_SANITIZE_vdso.o := n 155 156extra-$(CONFIG_PPC_FPU) += fpu.o 157extra-$(CONFIG_ALTIVEC) += vector.o 158extra-$(CONFIG_PPC64) += entry_64.o 159extra-$(CONFIG_PPC_OF_BOOT_TRAMPOLINE) += prom_init.o 160 161extra-y += systbl_chk.i 162$(obj)/systbl.o: systbl_chk 163 164quiet_cmd_systbl_chk = CALL $< 165 cmd_systbl_chk = $(CONFIG_SHELL) $< $(obj)/systbl_chk.i 166 167PHONY += systbl_chk 168systbl_chk: $(src)/systbl_chk.sh $(obj)/systbl_chk.i 169 $(call cmd,systbl_chk) 170 171ifeq ($(CONFIG_PPC_OF_BOOT_TRAMPOLINE),y) 172$(obj)/built-in.o: prom_init_check 173 174quiet_cmd_prom_init_check = CALL $< 175 cmd_prom_init_check = $(CONFIG_SHELL) $< "$(NM)" "$(obj)/prom_init.o" 176 177PHONY += prom_init_check 178prom_init_check: $(src)/prom_init_check.sh $(obj)/prom_init.o 179 $(call cmd,prom_init_check) 180endif 181 182clean-files := vmlinux.lds 183