1 # SPDX-License-Identifier: GPL-2.0
2 #
3 # Makefile for the linux kernel.
4 #
5
6 ifdef CONFIG_PPC32
7 CFLAGS_prom_init.o += -fPIC
8 CFLAGS_btext.o += -fPIC
9 endif
10
11 CFLAGS_early_32.o += $(DISABLE_LATENT_ENTROPY_
12 CFLAGS_cputable.o += $(DISABLE_LATENT_ENTROPY_
13 CFLAGS_prom_init.o += $(DISABLE_LATENT_ENTROPY
14 CFLAGS_btext.o += $(DISABLE_LATENT_ENTROPY_PLU
15 CFLAGS_prom.o += $(DISABLE_LATENT_ENTROPY_PLUG
16
17 CFLAGS_prom_init.o += -fno-stack-protector
18 CFLAGS_prom_init.o += -DDISABLE_BRANCH_PROFILI
19 CFLAGS_prom_init.o += -ffreestanding
20 CFLAGS_prom_init.o += $(call cc-option, -ftriv
21
22 ifdef CONFIG_FUNCTION_TRACER
23 # Do not trace early boot code
24 CFLAGS_REMOVE_cputable.o = $(CC_FLAGS_FTRACE)
25 CFLAGS_REMOVE_prom_init.o = $(CC_FLAGS_FTRACE)
26 CFLAGS_REMOVE_btext.o = $(CC_FLAGS_FTRACE)
27 CFLAGS_REMOVE_prom.o = $(CC_FLAGS_FTRACE)
28 endif
29
30 KASAN_SANITIZE_early_32.o := n
31 KASAN_SANITIZE_cputable.o := n
32 KASAN_SANITIZE_prom_init.o := n
33 KASAN_SANITIZE_btext.o := n
34 KASAN_SANITIZE_paca.o := n
35 KASAN_SANITIZE_setup_64.o := n
36 KASAN_SANITIZE_mce.o := n
37 KASAN_SANITIZE_mce_power.o := n
38 KASAN_SANITIZE_udbg.o := n
39 KASAN_SANITIZE_udbg_16550.o := n
40
41 # we have to be particularly careful in ppc64
42 # runs with translations off, as we cannot acc
43 # translations off. However, ppc32 can sanitiz
44 ifdef CONFIG_PPC64
45 KASAN_SANITIZE_traps.o := n
46 endif
47
48 ifdef CONFIG_KASAN
49 CFLAGS_early_32.o += -DDISABLE_BRANCH_PROFILIN
50 CFLAGS_cputable.o += -DDISABLE_BRANCH_PROFILIN
51 CFLAGS_btext.o += -DDISABLE_BRANCH_PROFILING
52 endif
53
54 KCSAN_SANITIZE_early_32.o := n
55 KCSAN_SANITIZE_cputable.o := n
56 KCSAN_SANITIZE_btext.o := n
57 KCSAN_SANITIZE_paca.o := n
58 KCSAN_SANITIZE_setup_64.o := n
59
60 #ifdef CONFIG_RANDOMIZE_KSTACK_OFFSET
61 # Remove stack protector to avoid triggering u
62 # checks due to randomize_kstack_offset.
63 CFLAGS_REMOVE_syscall.o = -fstack-protector -f
64 CFLAGS_syscall.o += -fno-stack-protector
65 #endif
66
67 obj-y := cputable.o
68 irq.o align
69 process.o s
70 signal.o sy
71 prom.o trap
72 udbg.o misc
73 of_platform
74 hw_breakpoi
75 kdebugfs.o
76 obj-y += ptrace/
77 obj-$(CONFIG_PPC64) += setup_64.o
78 paca.o nvra
79 obj-$(CONFIG_PPC32) += sys_ppc32.o
80 obj-$(CONFIG_COMPAT) += sys_ppc32.o
81 obj-$(CONFIG_VDSO32) += vdso32_wrap
82 obj-$(CONFIG_PPC_WATCHDOG) += watchdog.o
83 obj-$(CONFIG_HAVE_HW_BREAKPOINT) += hw_
84 obj-$(CONFIG_PPC_DAWR) += dawr.o
85 obj-$(CONFIG_PPC_BOOK3S_64) += cpu_setup_p
86 obj-$(CONFIG_PPC_BOOK3S_64) += cpu_setup_p
87 obj-$(CONFIG_PPC_BOOK3S_64) += dexcr.o
88 obj-$(CONFIG_PPC_BOOK3S_64) += mce.o mce_p
89 obj-$(CONFIG_PPC_BOOK3E_64) += exceptions-
90 obj-$(CONFIG_PPC_BARRIER_NOSPEC) += security.o
91 obj-$(CONFIG_PPC64) += vdso64_wrap
92 obj-$(CONFIG_ALTIVEC) += vecemu.o
93 obj-$(CONFIG_PPC_BOOK3S_IDLE) += idle_book3s
94 procfs-y := proc_powerp
95 obj-$(CONFIG_PROC_FS) += $(procfs-y)
96 rtaspci-$(CONFIG_PPC64)-$(CONFIG_PCI) := rta
97 obj-$(CONFIG_PPC_RTAS) += rtas_entry.
98 obj-$(CONFIG_PPC_RTAS_DAEMON) += rtasd.o
99 obj-$(CONFIG_RTAS_FLASH) += rtas_flash.
100 obj-$(CONFIG_RTAS_PROC) += rtas-proc.o
101 obj-$(CONFIG_PPC_DT_CPU_FTRS) += dt_cpu_ftrs
102 obj-$(CONFIG_EEH) += eeh.o eeh_pe
103 eeh_driver.o
104 obj-$(CONFIG_GENERIC_TBSYNC) += smp-tbsync.
105 obj-$(CONFIG_CRASH_DUMP) += crash_dump.
106 obj-$(CONFIG_FA_DUMP) += fadump.o
107 obj-$(CONFIG_PRESERVE_FA_DUMP) += fadump.o
108 obj-$(CONFIG_PPC_85xx) += idle_85xx.o
109 obj-$(CONFIG_PPC_BOOK3S_32) += idle_6xx.o
110 obj-$(CONFIG_TAU) += tau_6xx.o
111 obj-$(CONFIG_HIBERNATION) += swsusp.o su
112 ifdef CONFIG_PPC_85xx
113 obj-$(CONFIG_HIBERNATION) += swsusp_85xx
114 else
115 obj-$(CONFIG_HIBERNATION) += swsusp_$(BI
116 endif
117 obj64-$(CONFIG_HIBERNATION) += swsusp_asm6
118 obj-$(CONFIG_MODULES) += module.o mo
119 obj-$(CONFIG_44x) += cpu_setup_4
120 obj-$(CONFIG_PPC_E500) += cpu_setup_e
121 obj-$(CONFIG_PPC_DOORBELL) += dbell.o
122 obj-$(CONFIG_JUMP_LABEL) += jump_label.
123
124 obj-$(CONFIG_PPC64) += head_64.o
125 obj-$(CONFIG_PPC_BOOK3S_32) += head_book3s
126 obj-$(CONFIG_44x) += head_44x.o
127 obj-$(CONFIG_PPC_8xx) += head_8xx.o
128 obj-$(CONFIG_PPC_85xx) += head_85xx.o
129 extra-y += vmlinux.lds
130
131 obj-$(CONFIG_RELOCATABLE) += reloc_$(BIT
132
133 obj-$(CONFIG_PPC32) += entry_32.o
134 obj-$(CONFIG_PPC64) += dma-iommu.o
135 obj-$(CONFIG_KGDB) += kgdb.o
136 obj-$(CONFIG_BOOTX_TEXT) += btext.o
137 obj-$(CONFIG_SMP) += smp.o
138 obj-$(CONFIG_KPROBES) += kprobes.o
139 obj-$(CONFIG_OPTPROBES) += optprobes.o
140 obj-$(CONFIG_KPROBES_ON_FTRACE) += kprobes-ftr
141 obj-$(CONFIG_UPROBES) += uprobes.o
142 obj-$(CONFIG_RETHOOK) += rethook.o
143 obj-$(CONFIG_PPC_UDBG_16550) += legacy_seri
144 obj-$(CONFIG_SWIOTLB) += dma-swiotlb
145 obj-$(CONFIG_ARCH_HAS_DMA_SET_MASK) += dma-mas
146
147 pci64-$(CONFIG_PPC64) += pci_dn.o pc
148 obj-$(CONFIG_PCI) += pci_$(BITS)
149 pci-common.
150 obj-$(CONFIG_PCI_MSI) += msi.o
151
152 obj-$(CONFIG_AUDIT) += audit.o
153 obj64-$(CONFIG_AUDIT) += compat_audi
154
155 obj-$(CONFIG_PPC_IO_WORKAROUNDS) += io-
156
157 obj-y += trace/
158
159 ifneq ($(CONFIG_PPC_INDIRECT_PIO),y)
160 obj-y += iomap.o
161 endif
162
163 obj64-$(CONFIG_PPC_TRANSACTIONAL_MEM) += tm.
164
165 ifneq ($(CONFIG_XMON)$(CONFIG_KEXEC_CORE)(CONF
166 obj-y += ppc_save_re
167 endif
168
169 obj-$(CONFIG_EPAPR_PARAVIRT) += epapr_parav
170 obj-$(CONFIG_KVM_GUEST) += kvm.o kvm_e
171 ifneq ($(CONFIG_PPC_POWERNV)$(CONFIG_PPC_SVM),
172 obj-y += ucall.o
173 endif
174
175 obj-$(CONFIG_PPC_SECURE_BOOT) += secure_boot
176 obj-$(CONFIG_PPC_SECVAR_SYSFS) += secvar-sysf
177
178 # Disable GCOV, KCOV & sanitizers in odd or se
179 GCOV_PROFILE_prom_init.o := n
180 KCOV_INSTRUMENT_prom_init.o := n
181 KCSAN_SANITIZE_prom_init.o := n
182 UBSAN_SANITIZE_prom_init.o := n
183 GCOV_PROFILE_kprobes.o := n
184 KCOV_INSTRUMENT_kprobes.o := n
185 KCSAN_SANITIZE_kprobes.o := n
186 UBSAN_SANITIZE_kprobes.o := n
187 GCOV_PROFILE_kprobes-ftrace.o := n
188 KCOV_INSTRUMENT_kprobes-ftrace.o := n
189 KCSAN_SANITIZE_kprobes-ftrace.o := n
190 UBSAN_SANITIZE_kprobes-ftrace.o := n
191 UBSAN_SANITIZE_vdso.o := n
192
193 # Necessary for booting with kcov enabled on b
194 KCOV_INSTRUMENT_cputable.o := n
195 KCOV_INSTRUMENT_setup_64.o := n
196 KCOV_INSTRUMENT_paca.o := n
197
198 CFLAGS_setup_64.o += -fno-stack-
199 CFLAGS_paca.o += -fno-stack-
200
201 obj-$(CONFIG_PPC_FPU) += fpu.o
202 obj-$(CONFIG_ALTIVEC) += vector.o
203
204 obj-$(CONFIG_PPC_OF_BOOT_TRAMPOLINE) += prom_i
205 obj64-$(CONFIG_PPC_OF_BOOT_TRAMPOLINE) += prom
206 extra-$(CONFIG_PPC_OF_BOOT_TRAMPOLINE) += prom
207
208 obj-$(CONFIG_PPC64) += $(obj64-y)
209 obj-$(CONFIG_PPC32) += $(obj32-y)
210
211 quiet_cmd_prom_init_check = PROMCHK $@
212 cmd_prom_init_check = $(CONFIG_SHELL) $<
213
214 $(obj)/prom_init_check: $(src)/prom_init_check
215 $(call if_changed,prom_init_check)
216 targets += prom_init_check
217
218 clean-files := vmlinux.lds
219
220 # Force dependency (incbin is bad)
221 $(obj)/vdso32_wrapper.o : $(obj)/vdso/vdso32.s
222 $(obj)/vdso64_wrapper.o : $(obj)/vdso/vdso64.s
223
224 # for cleaning
225 subdir- += vdso
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.