diff options
Diffstat (limited to 'arch/powerpc/kernel/Makefile')
| -rw-r--r-- | arch/powerpc/kernel/Makefile | 108 |
1 files changed, 67 insertions, 41 deletions
diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile index f66b63e81c3b..2f0a2e69c607 100644 --- a/arch/powerpc/kernel/Makefile +++ b/arch/powerpc/kernel/Makefile @@ -3,14 +3,12 @@ # Makefile for the linux kernel. # -ifdef CONFIG_PPC64 -CFLAGS_prom_init.o += $(NO_MINIMAL_TOC) -endif ifdef CONFIG_PPC32 CFLAGS_prom_init.o += -fPIC CFLAGS_btext.o += -fPIC endif +CFLAGS_early_32.o += $(DISABLE_LATENT_ENTROPY_PLUGIN) CFLAGS_cputable.o += $(DISABLE_LATENT_ENTROPY_PLUGIN) CFLAGS_prom_init.o += $(DISABLE_LATENT_ENTROPY_PLUGIN) CFLAGS_btext.o += $(DISABLE_LATENT_ENTROPY_PLUGIN) @@ -19,6 +17,7 @@ CFLAGS_prom.o += $(DISABLE_LATENT_ENTROPY_PLUGIN) CFLAGS_prom_init.o += -fno-stack-protector CFLAGS_prom_init.o += -DDISABLE_BRANCH_PROFILING CFLAGS_prom_init.o += -ffreestanding +CFLAGS_prom_init.o += $(call cc-option, -ftrivial-auto-var-init=uninitialized) ifdef CONFIG_FUNCTION_TRACER # Do not trace early boot code @@ -32,6 +31,19 @@ KASAN_SANITIZE_early_32.o := n KASAN_SANITIZE_cputable.o := n KASAN_SANITIZE_prom_init.o := n KASAN_SANITIZE_btext.o := n +KASAN_SANITIZE_paca.o := n +KASAN_SANITIZE_setup_64.o := n +KASAN_SANITIZE_mce.o := n +KASAN_SANITIZE_mce_power.o := n +KASAN_SANITIZE_udbg.o := n +KASAN_SANITIZE_udbg_16550.o := n + +# we have to be particularly careful in ppc64 to exclude code that +# runs with translations off, as we cannot access the shadow with +# translations off. However, ppc32 can sanitize this. +ifdef CONFIG_PPC64 +KASAN_SANITIZE_traps.o := n +endif ifdef CONFIG_KASAN CFLAGS_early_32.o += -DDISABLE_BRANCH_PROFILING @@ -39,17 +51,32 @@ CFLAGS_cputable.o += -DDISABLE_BRANCH_PROFILING CFLAGS_btext.o += -DDISABLE_BRANCH_PROFILING endif -obj-y := cputable.o syscalls.o \ +KCSAN_SANITIZE_early_32.o := n +KCSAN_SANITIZE_cputable.o := n +KCSAN_SANITIZE_btext.o := n +KCSAN_SANITIZE_paca.o := n +KCSAN_SANITIZE_setup_64.o := n + +#ifdef CONFIG_RANDOMIZE_KSTACK_OFFSET +# Remove stack protector to avoid triggering unneeded stack canary +# checks due to randomize_kstack_offset. +CFLAGS_REMOVE_syscall.o = -fstack-protector -fstack-protector-strong +CFLAGS_syscall.o += -fno-stack-protector +#endif + +obj-y := cputable.o syscalls.o switch.o \ irq.o align.o signal_$(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_$(BITS).o \ - of_platform.o prom_parse.o firmware.o \ - hw_breakpoint_constraints.o interrupt.o + prom_parse.o firmware.o \ + hw_breakpoint_constraints.o interrupt.o \ + kdebugfs.o stacktrace.o syscall.o obj-y += ptrace/ -obj-$(CONFIG_PPC64) += setup_64.o \ +obj-$(CONFIG_PPC64) += setup_64.o irq_64.o\ paca.o nvram_64.o note.o +obj-$(CONFIG_PPC32) += sys_ppc32.o obj-$(CONFIG_COMPAT) += sys_ppc32.o signal_32.o obj-$(CONFIG_VDSO32) += vdso32_wrapper.o obj-$(CONFIG_PPC_WATCHDOG) += watchdog.o @@ -57,8 +84,9 @@ obj-$(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) += dexcr.o obj-$(CONFIG_PPC_BOOK3S_64) += mce.o mce_power.o -obj-$(CONFIG_PPC_BOOK3E_64) += exceptions-64e.o idle_book3e.o +obj-$(CONFIG_PPC_BOOK3E_64) += exceptions-64e.o idle_64e.o obj-$(CONFIG_PPC_BARRIER_NOSPEC) += security.o obj-$(CONFIG_PPC64) += vdso64_wrapper.o obj-$(CONFIG_ALTIVEC) += vecemu.o @@ -66,7 +94,7 @@ 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) += rtas_entry.o 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 @@ -77,35 +105,32 @@ 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_85xx) += idle_85xx.o 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 +ifdef CONFIG_PPC_85xx +obj-$(CONFIG_HIBERNATION) += swsusp_85xx.o else obj-$(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-$(CONFIG_PPC_E500) += cpu_setup_e500.o obj-$(CONFIG_PPC_DOORBELL) += dbell.o obj-$(CONFIG_JUMP_LABEL) += jump_label.o -extra-$(CONFIG_PPC64) := head_64.o -extra-$(CONFIG_PPC_BOOK3S_32) := head_book3s_32.o -extra-$(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_PPC64) += head_64.o +obj-$(CONFIG_PPC_BOOK3S_32) += head_book3s_32.o +obj-$(CONFIG_44x) += head_44x.o +obj-$(CONFIG_PPC_8xx) += head_8xx.o +obj-$(CONFIG_PPC_85xx) += head_85xx.o +always-$(KBUILD_BUILTIN) += vmlinux.lds obj-$(CONFIG_RELOCATABLE) += reloc_$(BITS).o -obj-$(CONFIG_PPC32) += entry_32.o setup_32.o early_32.o +obj-$(CONFIG_PPC32) += entry_32.o setup_32.o early_32.o static_call.o obj-$(CONFIG_PPC64) += dma-iommu.o iommu.o obj-$(CONFIG_KGDB) += kgdb.o obj-$(CONFIG_BOOTX_TEXT) += btext.o @@ -114,8 +139,8 @@ 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-$(CONFIG_RETHOOK) += rethook.o obj-$(CONFIG_PPC_UDBG_16550) += legacy_serial.o udbg_16550.o -obj-$(CONFIG_STACKTRACE) += stacktrace.o obj-$(CONFIG_SWIOTLB) += dma-swiotlb.o obj-$(CONFIG_ARCH_HAS_DMA_SET_MASK) += dma-mask.o @@ -127,8 +152,6 @@ obj-$(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) @@ -137,12 +160,7 @@ 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-$(CONFIG_KVM_GUEST) += kvm.o kvm_emul.o @@ -156,16 +174,16 @@ obj-$(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 +KCSAN_SANITIZE_prom_init.o := n UBSAN_SANITIZE_prom_init.o := n GCOV_PROFILE_kprobes.o := n KCOV_INSTRUMENT_kprobes.o := n +KCSAN_SANITIZE_kprobes.o := n UBSAN_SANITIZE_kprobes.o := n GCOV_PROFILE_kprobes-ftrace.o := n KCOV_INSTRUMENT_kprobes-ftrace.o := n +KCSAN_SANITIZE_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 @@ -176,12 +194,17 @@ KCOV_INSTRUMENT_paca.o := n CFLAGS_setup_64.o += -fno-stack-protector CFLAGS_paca.o += -fno-stack-protector -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 +obj-$(CONFIG_PPC_FPU) += fpu.o +obj-$(CONFIG_ALTIVEC) += vector.o -extra-$(CONFIG_PPC_OF_BOOT_TRAMPOLINE) += prom_init_check +obj-$(CONFIG_PPC_OF_BOOT_TRAMPOLINE) += prom_init.o +obj64-$(CONFIG_PPC_OF_BOOT_TRAMPOLINE) += prom_entry_64.o +ifdef KBUILD_BUILTIN +always-$(CONFIG_PPC_OF_BOOT_TRAMPOLINE) += prom_init_check +endif + +obj-$(CONFIG_PPC64) += $(obj64-y) +obj-$(CONFIG_PPC32) += $(obj32-y) quiet_cmd_prom_init_check = PROMCHK $@ cmd_prom_init_check = $(CONFIG_SHELL) $< "$(NM)" $(obj)/prom_init.o; touch $@ @@ -193,5 +216,8 @@ targets += prom_init_check clean-files := vmlinux.lds # Force dependency (incbin is bad) -$(obj)/vdso32_wrapper.o : $(obj)/vdso32/vdso32.so.dbg -$(obj)/vdso64_wrapper.o : $(obj)/vdso64/vdso64.so.dbg +$(obj)/vdso32_wrapper.o : $(obj)/vdso/vdso32.so.dbg +$(obj)/vdso64_wrapper.o : $(obj)/vdso/vdso64.so.dbg + +# for cleaning +subdir- += vdso |