1 files changed, 195 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile
new file mode 100644
index 000000000..db2bdc4ce
--- /dev/null
+++ b/arch/powerpc/kernel/Makefile
@@ -0,0 +1,195 @@
+# SPDX-License-Identifier: GPL-2.0
+#
+# 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)
+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
+CFLAGS_REMOVE_cputable.o = $(CC_FLAGS_FTRACE)
+CFLAGS_REMOVE_prom_init.o = $(CC_FLAGS_FTRACE)
+CFLAGS_REMOVE_btext.o = $(CC_FLAGS_FTRACE)
+CFLAGS_REMOVE_prom.o = $(CC_FLAGS_FTRACE)
+endif
+
+KASAN_SANITIZE_early_32.o := n
+KASAN_SANITIZE_cputable.o := n
+KASAN_SANITIZE_prom_init.o := n
+KASAN_SANITIZE_btext.o := n
+
+ifdef CONFIG_KASAN
+CFLAGS_early_32.o += -DDISABLE_BRANCH_PROFILING
+CFLAGS_cputable.o += -DDISABLE_BRANCH_PROFILING
+CFLAGS_btext.o += -DDISABLE_BRANCH_PROFILING
+endif
+
+obj-y				:= cputable.o syscalls.o \
+				   irq.o align.o signal_$(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_$(BITS).o \
+				   of_platform.o prom_parse.o firmware.o \
+				   hw_breakpoint_constraints.o
+obj-y				+= ptrace/
+obj-$(CONFIG_PPC64)		+= setup_64.o \
+				   paca.o nvram_64.o note.o syscall_64.o
+obj-$(CONFIG_COMPAT)		+= sys_ppc32.o signal_32.o
+obj-$(CONFIG_VDSO32)		+= vdso32/
+obj-$(CONFIG_PPC_WATCHDOG)	+= watchdog.o
+obj-$(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)	+= mce.o mce_power.o
+obj-$(CONFIG_PPC_BOOK3E_64)	+= exceptions-64e.o idle_book3e.o
+obj-$(CONFIG_PPC_BARRIER_NOSPEC) += security.o
+obj-$(CONFIG_PPC64)		+= vdso64/
+obj-$(CONFIG_ALTIVEC)		+= vecemu.o
+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_DAEMON)	+= rtasd.o
+obj-$(CONFIG_RTAS_FLASH)	+= rtas_flash.o
+obj-$(CONFIG_RTAS_PROC)		+= rtas-proc.o
+obj-$(CONFIG_PPC_DT_CPU_FTRS)	+= dt_cpu_ftrs.o
+obj-$(CONFIG_EEH)              += eeh.o eeh_pe.o eeh_cache.o \
+				  eeh_driver.o eeh_event.o eeh_sysfs.o
+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_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-$(CONFIG_HIBERNATION)	+= swsusp_booke.o
+else
+obj-$(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-$(CONFIG_PPC_DOORBELL)	+= dbell.o
+obj-$(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-$(CONFIG_RELOCATABLE)	+= reloc_$(BITS).o
+
+obj-$(CONFIG_PPC32)		+= entry_32.o setup_32.o early_32.o
+obj-$(CONFIG_PPC64)		+= dma-iommu.o iommu.o
+obj-$(CONFIG_KGDB)		+= kgdb.o
+obj-$(CONFIG_BOOTX_TEXT)	+= btext.o
+obj-$(CONFIG_SMP)		+= smp.o
+obj-$(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_PPC_UDBG_16550)	+= legacy_serial.o udbg_16550.o
+obj-$(CONFIG_STACKTRACE)	+= stacktrace.o
+obj-$(CONFIG_SWIOTLB)		+= dma-swiotlb.o
+obj-$(CONFIG_ARCH_HAS_DMA_SET_MASK) += dma-mask.o
+
+pci64-$(CONFIG_PPC64)		+= pci_dn.o pci-hotplug.o isa-bridge.o
+obj-$(CONFIG_PCI)		+= pci_$(BITS).o $(pci64-y) \
+				   pci-common.o pci_of_scan.o
+obj-$(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)
+obj-y				+= iomap.o
+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-$(CONFIG_KVM_GUEST)		+= kvm.o kvm_emul.o
+ifneq ($(CONFIG_PPC_POWERNV)$(CONFIG_PPC_SVM),)
+obj-y				+= ucall.o
+endif
+
+obj-$(CONFIG_PPC_SECURE_BOOT)	+= secure_boot.o ima_arch.o secvar-ops.o
+obj-$(CONFIG_PPC_SECVAR_SYSFS)	+= secvar-sysfs.o
+
+# Disable GCOV, KCOV & sanitizers in odd or sensitive code
+GCOV_PROFILE_prom_init.o := n
+KCOV_INSTRUMENT_prom_init.o := n
+UBSAN_SANITIZE_prom_init.o := n
+GCOV_PROFILE_kprobes.o := n
+KCOV_INSTRUMENT_kprobes.o := n
+UBSAN_SANITIZE_kprobes.o := n
+GCOV_PROFILE_kprobes-ftrace.o := n
+KCOV_INSTRUMENT_kprobes-ftrace.o := n
+UBSAN_SANITIZE_kprobes-ftrace.o := n
+GCOV_PROFILE_syscall_64.o := n
+KCOV_INSTRUMENT_syscall_64.o := n
+UBSAN_SANITIZE_syscall_64.o := n
+UBSAN_SANITIZE_vdso.o := n
+
+# Necessary for booting with kcov enabled on book3e machines
+KCOV_INSTRUMENT_cputable.o := n
+KCOV_INSTRUMENT_setup_64.o := n
+KCOV_INSTRUMENT_paca.o := n
+
+CFLAGS_setup_64.o		+= -fno-stack-protector
+CFLAGS_paca.o			+= -fno-stack-protector
+
+extra-$(CONFIG_PPC_FPU)		+= fpu.o
+extra-$(CONFIG_ALTIVEC)		+= vector.o
+extra-$(CONFIG_PPC64)		+= entry_64.o
+extra-$(CONFIG_PPC_OF_BOOT_TRAMPOLINE)	+= prom_init.o
+
+extra-$(CONFIG_PPC_OF_BOOT_TRAMPOLINE)	+= prom_init_check
+
+quiet_cmd_prom_init_check = PROMCHK $@
+      cmd_prom_init_check = $(CONFIG_SHELL) $< "$(NM)" $(obj)/prom_init.o; touch $@
+
+$(obj)/prom_init_check: $(src)/prom_init_check.sh $(obj)/prom_init.o FORCE
+	$(call if_changed,prom_init_check)
+targets += prom_init_check
+
+clean-files := vmlinux.lds