1 # SPDX-License-Identifier: GPL-2.0
3 # Makefile for the linux kernel.
7 CFLAGS_prom_init.o += $(NO_MINIMAL_TOC)
10 CFLAGS_prom_init.o += -fPIC
11 CFLAGS_btext.o += -fPIC
14 CFLAGS_early_32.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
15 CFLAGS_cputable.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
16 CFLAGS_prom_init.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
17 CFLAGS_btext.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
18 CFLAGS_prom.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
20 CFLAGS_prom_init.o += -fno-stack-protector
21 CFLAGS_prom_init.o += -DDISABLE_BRANCH_PROFILING
22 CFLAGS_prom_init.o += -ffreestanding
23 CFLAGS_prom_init.o += $(call cc-option, -ftrivial-auto-var-init=uninitialized)
25 ifdef CONFIG_FUNCTION_TRACER
26 # Do not trace early boot code
27 CFLAGS_REMOVE_cputable.o = $(CC_FLAGS_FTRACE)
28 CFLAGS_REMOVE_prom_init.o = $(CC_FLAGS_FTRACE)
29 CFLAGS_REMOVE_btext.o = $(CC_FLAGS_FTRACE)
30 CFLAGS_REMOVE_prom.o = $(CC_FLAGS_FTRACE)
33 KASAN_SANITIZE_early_32.o := n
34 KASAN_SANITIZE_cputable.o := n
35 KASAN_SANITIZE_prom_init.o := n
36 KASAN_SANITIZE_btext.o := n
39 CFLAGS_early_32.o += -DDISABLE_BRANCH_PROFILING
40 CFLAGS_cputable.o += -DDISABLE_BRANCH_PROFILING
41 CFLAGS_btext.o += -DDISABLE_BRANCH_PROFILING
44 obj-y := cputable.o syscalls.o \
45 irq.o align.o signal_$(BITS).o pmc.o vdso.o \
46 process.o systbl.o idle.o \
47 signal.o sysfs.o cacheinfo.o time.o \
48 prom.o traps.o setup-common.o \
49 udbg.o misc.o io.o misc_$(BITS).o \
50 of_platform.o prom_parse.o firmware.o \
51 hw_breakpoint_constraints.o
53 obj-$(CONFIG_PPC64) += setup_64.o \
54 paca.o nvram_64.o note.o syscall_64.o
55 obj-$(CONFIG_COMPAT) += sys_ppc32.o signal_32.o
56 obj-$(CONFIG_VDSO32) += vdso32/
57 obj-$(CONFIG_PPC_WATCHDOG) += watchdog.o
58 obj-$(CONFIG_HAVE_HW_BREAKPOINT) += hw_breakpoint.o
59 obj-$(CONFIG_PPC_DAWR) += dawr.o
60 obj-$(CONFIG_PPC_BOOK3S_64) += cpu_setup_ppc970.o cpu_setup_pa6t.o
61 obj-$(CONFIG_PPC_BOOK3S_64) += cpu_setup_power.o
62 obj-$(CONFIG_PPC_BOOK3S_64) += mce.o mce_power.o
63 obj-$(CONFIG_PPC_BOOK3E_64) += exceptions-64e.o idle_book3e.o
64 obj-$(CONFIG_PPC_BARRIER_NOSPEC) += security.o
65 obj-$(CONFIG_PPC64) += vdso64/
66 obj-$(CONFIG_ALTIVEC) += vecemu.o
67 obj-$(CONFIG_PPC_BOOK3S_IDLE) += idle_book3s.o
68 procfs-y := proc_powerpc.o
69 obj-$(CONFIG_PROC_FS) += $(procfs-y)
70 rtaspci-$(CONFIG_PPC64)-$(CONFIG_PCI) := rtas_pci.o
71 obj-$(CONFIG_PPC_RTAS) += rtas.o rtas-rtc.o $(rtaspci-y-y)
72 obj-$(CONFIG_PPC_RTAS_DAEMON) += rtasd.o
73 obj-$(CONFIG_RTAS_FLASH) += rtas_flash.o
74 obj-$(CONFIG_RTAS_PROC) += rtas-proc.o
75 obj-$(CONFIG_PPC_DT_CPU_FTRS) += dt_cpu_ftrs.o
76 obj-$(CONFIG_EEH) += eeh.o eeh_pe.o eeh_cache.o \
77 eeh_driver.o eeh_event.o eeh_sysfs.o
78 obj-$(CONFIG_GENERIC_TBSYNC) += smp-tbsync.o
79 obj-$(CONFIG_CRASH_DUMP) += crash_dump.o
80 obj-$(CONFIG_FA_DUMP) += fadump.o
81 obj-$(CONFIG_PRESERVE_FA_DUMP) += fadump.o
83 obj-$(CONFIG_E500) += idle_e500.o
85 obj-$(CONFIG_PPC_BOOK3S_32) += idle_6xx.o l2cr_6xx.o cpu_setup_6xx.o
86 obj-$(CONFIG_TAU) += tau_6xx.o
87 obj-$(CONFIG_HIBERNATION) += swsusp.o suspend.o
88 ifdef CONFIG_FSL_BOOKE
89 obj-$(CONFIG_HIBERNATION) += swsusp_booke.o
91 obj-$(CONFIG_HIBERNATION) += swsusp_$(BITS).o
93 obj64-$(CONFIG_HIBERNATION) += swsusp_asm64.o
94 obj-$(CONFIG_MODULES) += module.o module_$(BITS).o
95 obj-$(CONFIG_44x) += cpu_setup_44x.o
96 obj-$(CONFIG_PPC_FSL_BOOK3E) += cpu_setup_fsl_booke.o
97 obj-$(CONFIG_PPC_DOORBELL) += dbell.o
98 obj-$(CONFIG_JUMP_LABEL) += jump_label.o
100 extra-$(CONFIG_PPC64) := head_64.o
101 extra-$(CONFIG_PPC_BOOK3S_32) := head_book3s_32.o
102 extra-$(CONFIG_40x) := head_40x.o
103 extra-$(CONFIG_44x) := head_44x.o
104 extra-$(CONFIG_FSL_BOOKE) := head_fsl_booke.o
105 extra-$(CONFIG_PPC_8xx) := head_8xx.o
106 extra-y += vmlinux.lds
108 obj-$(CONFIG_RELOCATABLE) += reloc_$(BITS).o
110 obj-$(CONFIG_PPC32) += entry_32.o setup_32.o early_32.o
111 obj-$(CONFIG_PPC64) += dma-iommu.o iommu.o
112 obj-$(CONFIG_KGDB) += kgdb.o
113 obj-$(CONFIG_BOOTX_TEXT) += btext.o
114 obj-$(CONFIG_SMP) += smp.o
115 obj-$(CONFIG_KPROBES) += kprobes.o
116 obj-$(CONFIG_OPTPROBES) += optprobes.o optprobes_head.o
117 obj-$(CONFIG_KPROBES_ON_FTRACE) += kprobes-ftrace.o
118 obj-$(CONFIG_UPROBES) += uprobes.o
119 obj-$(CONFIG_PPC_UDBG_16550) += legacy_serial.o udbg_16550.o
120 obj-$(CONFIG_STACKTRACE) += stacktrace.o
121 obj-$(CONFIG_SWIOTLB) += dma-swiotlb.o
122 obj-$(CONFIG_ARCH_HAS_DMA_SET_MASK) += dma-mask.o
124 pci64-$(CONFIG_PPC64) += pci_dn.o pci-hotplug.o isa-bridge.o
125 obj-$(CONFIG_PCI) += pci_$(BITS).o $(pci64-y) \
126 pci-common.o pci_of_scan.o
127 obj-$(CONFIG_PCI_MSI) += msi.o
129 obj-$(CONFIG_AUDIT) += audit.o
130 obj64-$(CONFIG_AUDIT) += compat_audit.o
132 obj-$(CONFIG_PPC_IO_WORKAROUNDS) += io-workarounds.o
136 ifneq ($(CONFIG_PPC_INDIRECT_PIO),y)
140 obj64-$(CONFIG_PPC_TRANSACTIONAL_MEM) += tm.o
142 obj-$(CONFIG_PPC64) += $(obj64-y)
143 obj-$(CONFIG_PPC32) += $(obj32-y)
145 ifneq ($(CONFIG_XMON)$(CONFIG_KEXEC_CORE)(CONFIG_PPC_BOOK3S),)
146 obj-y += ppc_save_regs.o
149 obj-$(CONFIG_EPAPR_PARAVIRT) += epapr_paravirt.o epapr_hcalls.o
150 obj-$(CONFIG_KVM_GUEST) += kvm.o kvm_emul.o
151 ifneq ($(CONFIG_PPC_POWERNV)$(CONFIG_PPC_SVM),)
155 obj-$(CONFIG_PPC_SECURE_BOOT) += secure_boot.o ima_arch.o secvar-ops.o
156 obj-$(CONFIG_PPC_SECVAR_SYSFS) += secvar-sysfs.o
158 # Disable GCOV, KCOV & sanitizers in odd or sensitive code
159 GCOV_PROFILE_prom_init.o := n
160 KCOV_INSTRUMENT_prom_init.o := n
161 UBSAN_SANITIZE_prom_init.o := n
162 GCOV_PROFILE_kprobes.o := n
163 KCOV_INSTRUMENT_kprobes.o := n
164 UBSAN_SANITIZE_kprobes.o := n
165 GCOV_PROFILE_kprobes-ftrace.o := n
166 KCOV_INSTRUMENT_kprobes-ftrace.o := n
167 UBSAN_SANITIZE_kprobes-ftrace.o := n
168 GCOV_PROFILE_syscall_64.o := n
169 KCOV_INSTRUMENT_syscall_64.o := n
170 UBSAN_SANITIZE_syscall_64.o := n
171 UBSAN_SANITIZE_vdso.o := n
173 # Necessary for booting with kcov enabled on book3e machines
174 KCOV_INSTRUMENT_cputable.o := n
175 KCOV_INSTRUMENT_setup_64.o := n
176 KCOV_INSTRUMENT_paca.o := n
178 CFLAGS_setup_64.o += -fno-stack-protector
179 CFLAGS_paca.o += -fno-stack-protector
181 extra-$(CONFIG_PPC_FPU) += fpu.o
182 extra-$(CONFIG_ALTIVEC) += vector.o
183 extra-$(CONFIG_PPC64) += entry_64.o
184 extra-$(CONFIG_PPC_OF_BOOT_TRAMPOLINE) += prom_init.o
186 extra-$(CONFIG_PPC_OF_BOOT_TRAMPOLINE) += prom_init_check
188 quiet_cmd_prom_init_check = PROMCHK $@
189 cmd_prom_init_check = $(CONFIG_SHELL) $< "$(NM)" $(obj)/prom_init.o; touch $@
191 $(obj)/prom_init_check: $(src)/prom_init_check.sh $(obj)/prom_init.o FORCE
192 $(call if_changed,prom_init_check)
193 targets += prom_init_check
195 clean-files := vmlinux.lds