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-rw-r--r--arch/powerpc/kernel/Makefile246
1 files changed, 149 insertions, 97 deletions
diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile
index a8619bfe879e..2f0a2e69c607 100644
--- a/arch/powerpc/kernel/Makefile
+++ b/arch/powerpc/kernel/Makefile
@@ -1,171 +1,223 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Makefile for the linux kernel.
#
-CFLAGS_ptrace.o += -DUTS_MACHINE='"$(UTS_MACHINE)"'
-
-subdir-ccflags-$(CONFIG_PPC_WERROR) := -Werror
-
-ifeq ($(CONFIG_PPC64),y)
-CFLAGS_prom_init.o += $(NO_MINIMAL_TOC)
-endif
-ifeq ($(CONFIG_PPC32),y)
+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 = -pg -mno-sched-epilog
-CFLAGS_REMOVE_prom_init.o = -pg -mno-sched-epilog
-CFLAGS_REMOVE_btext.o = -pg -mno-sched-epilog
-CFLAGS_REMOVE_prom.o = -pg -mno-sched-epilog
-# do not trace tracer code
-CFLAGS_REMOVE_ftrace.o = -pg -mno-sched-epilog
-# timers used by tracing
-CFLAGS_REMOVE_time.o = -pg -mno-sched-epilog
+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 = $(CC_FLAGS_FTRACE)
+endif
+
+KASAN_SANITIZE_early_32.o := n
+KASAN_SANITIZE_cputable.o := n
+KASAN_SANITIZE_prom_init.o := n
+KASAN_SANITIZE_btext.o := n
+KASAN_SANITIZE_paca.o := n
+KASAN_SANITIZE_setup_64.o := n
+KASAN_SANITIZE_mce.o := n
+KASAN_SANITIZE_mce_power.o := n
+KASAN_SANITIZE_udbg.o := n
+KASAN_SANITIZE_udbg_16550.o := n
+
+# we have to be particularly careful in ppc64 to exclude code that
+# runs with translations off, as we cannot access the shadow with
+# translations off. However, ppc32 can sanitize this.
+ifdef CONFIG_PPC64
+KASAN_SANITIZE_traps.o := n
endif
-obj-y := cputable.o ptrace.o syscalls.o \
- irq.o align.o signal_32.o pmc.o vdso.o \
+ifdef CONFIG_KASAN
+CFLAGS_early_32.o += -DDISABLE_BRANCH_PROFILING
+CFLAGS_cputable.o += -DDISABLE_BRANCH_PROFILING
+CFLAGS_btext.o += -DDISABLE_BRANCH_PROFILING
+endif
+
+KCSAN_SANITIZE_early_32.o := n
+KCSAN_SANITIZE_cputable.o := n
+KCSAN_SANITIZE_btext.o := n
+KCSAN_SANITIZE_paca.o := n
+KCSAN_SANITIZE_setup_64.o := n
+
+#ifdef CONFIG_RANDOMIZE_KSTACK_OFFSET
+# Remove stack protector to avoid triggering unneeded stack canary
+# checks due to randomize_kstack_offset.
+CFLAGS_REMOVE_syscall.o = -fstack-protector -fstack-protector-strong
+CFLAGS_syscall.o += -fno-stack-protector
+#endif
+
+obj-y := cputable.o syscalls.o switch.o \
+ irq.o align.o signal_$(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 dma.o \
- misc_$(CONFIG_WORD_SIZE).o vdso32/
-obj-$(CONFIG_PPC64) += setup_64.o sys_ppc32.o \
- signal_64.o ptrace32.o \
- paca.o nvram_64.o firmware.o
+ udbg.o misc.o io.o misc_$(BITS).o \
+ prom_parse.o firmware.o \
+ hw_breakpoint_constraints.o interrupt.o \
+ kdebugfs.o stacktrace.o syscall.o
+obj-y += ptrace/
+obj-$(CONFIG_PPC64) += setup_64.o 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
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
-obj64-$(CONFIG_RELOCATABLE) += reloc_64.o
-obj-$(CONFIG_PPC_BOOK3E_64) += exceptions-64e.o idle_book3e.o
-obj-$(CONFIG_PPC_A2) += cpu_setup_a2.o
-obj-$(CONFIG_PPC64) += vdso64/
+obj-$(CONFIG_PPC_BOOK3S_64) += dexcr.o
+obj-$(CONFIG_PPC_BOOK3S_64) += mce.o mce_power.o
+obj-$(CONFIG_PPC_BOOK3E_64) += exceptions-64e.o idle_64e.o
+obj-$(CONFIG_PPC_BARRIER_NOSPEC) += security.o
+obj-$(CONFIG_PPC64) += vdso64_wrapper.o
obj-$(CONFIG_ALTIVEC) += vecemu.o
-obj-$(CONFIG_PPC_970_NAP) += idle_power4.o
-obj-$(CONFIG_PPC_P7_NAP) += idle_power7.o
-obj-$(CONFIG_PPC_OF) += of_platform.o prom_parse.o
-obj-$(CONFIG_PPC_CLOCK) += clock.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) += 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
-obj-$(CONFIG_LPARCFG) += lparcfg.o
-obj-$(CONFIG_IBMVIO) += vio.o
-obj-$(CONFIG_IBMEBUS) += ibmebus.o
-obj-$(CONFIG_EEH) += eeh.o eeh_pe.o eeh_dev.o eeh_cache.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-$(CONFIG_FA_DUMP) += fadump.o
-ifeq ($(CONFIG_PPC32),y)
-obj-$(CONFIG_E500) += idle_e500.o
-endif
-obj-$(CONFIG_6xx) += idle_6xx.o l2cr_6xx.o cpu_setup_6xx.o
+obj-$(CONFIG_PRESERVE_FA_DUMP) += fadump.o
+obj-$(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-$(CONFIG_HIBERNATION) += swsusp.o suspend.o
-ifeq ($(CONFIG_FSL_BOOKE),y)
-obj-$(CONFIG_HIBERNATION) += swsusp_booke.o
+ifdef CONFIG_PPC_85xx
+obj-$(CONFIG_HIBERNATION) += swsusp_85xx.o
else
-obj-$(CONFIG_HIBERNATION) += swsusp_$(CONFIG_WORD_SIZE).o
+obj-$(CONFIG_HIBERNATION) += swsusp_$(BITS).o
endif
obj64-$(CONFIG_HIBERNATION) += swsusp_asm64.o
-obj-$(CONFIG_MODULES) += module.o module_$(CONFIG_WORD_SIZE).o
+obj-$(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-y := head_$(CONFIG_WORD_SIZE).o
-extra-$(CONFIG_40x) := head_40x.o
-extra-$(CONFIG_44x) := head_44x.o
-extra-$(CONFIG_FSL_BOOKE) := head_fsl_booke.o
-extra-$(CONFIG_8xx) := head_8xx.o
-extra-y += vmlinux.lds
+obj-$(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_PPC32) += reloc_32.o
+obj-$(CONFIG_RELOCATABLE) += reloc_$(BITS).o
-obj-$(CONFIG_PPC32) += entry_32.o setup_32.o
+obj-$(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-$(CONFIG_MODULES) += ppc_ksyms.o
obj-$(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_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
pci64-$(CONFIG_PPC64) += pci_dn.o pci-hotplug.o isa-bridge.o
-obj-$(CONFIG_PCI) += pci_$(CONFIG_WORD_SIZE).o $(pci64-y) \
+obj-$(CONFIG_PCI) += pci_$(BITS).o $(pci64-y) \
pci-common.o pci_of_scan.o
obj-$(CONFIG_PCI_MSI) += msi.o
-obj-$(CONFIG_KEXEC) += machine_kexec.o crash.o \
- machine_kexec_$(CONFIG_WORD_SIZE).o
+
obj-$(CONFIG_AUDIT) += audit.o
obj64-$(CONFIG_AUDIT) += compat_audit.o
-obj-$(CONFIG_PPC_IO_WORKAROUNDS) += io-workarounds.o
+obj-y += trace/
-obj-$(CONFIG_DYNAMIC_FTRACE) += ftrace.o
-obj-$(CONFIG_FUNCTION_GRAPH_TRACER) += ftrace.o
-obj-$(CONFIG_FTRACE_SYSCALLS) += ftrace.o
-
-obj-$(CONFIG_8XX_MINIMAL_FPEMU) += softemu8xx.o
-
-ifneq ($(CONFIG_PPC_INDIRECT_IO),y)
+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)$(CONFIG_KEXEC),)
obj-y += ppc_save_regs.o
-endif
obj-$(CONFIG_EPAPR_PARAVIRT) += epapr_paravirt.o epapr_hcalls.o
obj-$(CONFIG_KVM_GUEST) += kvm.o kvm_emul.o
+ifneq ($(CONFIG_PPC_POWERNV)$(CONFIG_PPC_SVM),)
+obj-y += ucall.o
+endif
-# Disable GCOV in odd or sensitive code
+obj-$(CONFIG_PPC_SECURE_BOOT) += secure_boot.o ima_arch.o secvar-ops.o
+obj-$(CONFIG_PPC_SECVAR_SYSFS) += secvar-sysfs.o
+
+# Disable GCOV, KCOV & sanitizers in odd or sensitive code
GCOV_PROFILE_prom_init.o := n
-GCOV_PROFILE_ftrace.o := n
-GCOV_PROFILE_machine_kexec_64.o := n
-GCOV_PROFILE_machine_kexec_32.o := n
+KCOV_INSTRUMENT_prom_init.o := n
+KCSAN_SANITIZE_prom_init.o := n
+UBSAN_SANITIZE_prom_init.o := n
GCOV_PROFILE_kprobes.o := n
+KCOV_INSTRUMENT_kprobes.o := n
+KCSAN_SANITIZE_kprobes.o := n
+UBSAN_SANITIZE_kprobes.o := n
+GCOV_PROFILE_kprobes-ftrace.o := n
+KCOV_INSTRUMENT_kprobes-ftrace.o := n
+KCSAN_SANITIZE_kprobes-ftrace.o := n
+UBSAN_SANITIZE_kprobes-ftrace.o := n
+UBSAN_SANITIZE_vdso.o := n
+
+# Necessary for booting with kcov enabled on book3e machines
+KCOV_INSTRUMENT_cputable.o := n
+KCOV_INSTRUMENT_setup_64.o := n
+KCOV_INSTRUMENT_paca.o := n
+
+CFLAGS_setup_64.o += -fno-stack-protector
+CFLAGS_paca.o += -fno-stack-protector
+
+obj-$(CONFIG_PPC_FPU) += fpu.o
+obj-$(CONFIG_ALTIVEC) += vector.o
+
+obj-$(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
-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-y += systbl_chk.i
-$(obj)/systbl.o: systbl_chk
-
-quiet_cmd_systbl_chk = CALL $<
- cmd_systbl_chk = $(CONFIG_SHELL) $< $(obj)/systbl_chk.i
+obj-$(CONFIG_PPC64) += $(obj64-y)
+obj-$(CONFIG_PPC32) += $(obj32-y)
-PHONY += systbl_chk
-systbl_chk: $(src)/systbl_chk.sh $(obj)/systbl_chk.i
- $(call cmd,systbl_chk)
+quiet_cmd_prom_init_check = PROMCHK $@
+ cmd_prom_init_check = $(CONFIG_SHELL) $< "$(NM)" $(obj)/prom_init.o; touch $@
-ifeq ($(CONFIG_PPC_OF_BOOT_TRAMPOLINE),y)
-$(obj)/built-in.o: prom_init_check
+$(obj)/prom_init_check: $(src)/prom_init_check.sh $(obj)/prom_init.o FORCE
+ $(call if_changed,prom_init_check)
+targets += prom_init_check
-quiet_cmd_prom_init_check = CALL $<
- cmd_prom_init_check = $(CONFIG_SHELL) $< "$(NM)" "$(obj)/prom_init.o"
+clean-files := vmlinux.lds
-PHONY += prom_init_check
-prom_init_check: $(src)/prom_init_check.sh $(obj)/prom_init.o
- $(call cmd,prom_init_check)
-endif
+# Force dependency (incbin is bad)
+$(obj)/vdso32_wrapper.o : $(obj)/vdso/vdso32.so.dbg
+$(obj)/vdso64_wrapper.o : $(obj)/vdso/vdso64.so.dbg
-clean-files := vmlinux.lds
+# for cleaning
+subdir- += vdso
generated by cgit (git 2.34.1) at 2025-12-28 01:20:46 +0000