xref: /openbmc/linux/arch/powerpc/kernel/Makefile (revision 1804569d)
1# SPDX-License-Identifier: GPL-2.0
2#
3# Makefile for the linux kernel.
4#
5
6CFLAGS_ptrace.o		+= -DUTS_MACHINE='"$(UTS_MACHINE)"'
7
8# Disable clang warning for using setjmp without setjmp.h header
9CFLAGS_crash.o		+= $(call cc-disable-warning, builtin-requires-header)
10
11ifdef CONFIG_PPC64
12CFLAGS_prom_init.o	+= $(NO_MINIMAL_TOC)
13endif
14ifdef CONFIG_PPC32
15CFLAGS_prom_init.o      += -fPIC
16CFLAGS_btext.o		+= -fPIC
17endif
18
19CFLAGS_cputable.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
20CFLAGS_prom_init.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
21CFLAGS_btext.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
22CFLAGS_prom.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
23
24CFLAGS_prom_init.o += $(call cc-option, -fno-stack-protector)
25
26ifdef CONFIG_FUNCTION_TRACER
27# Do not trace early boot code
28CFLAGS_REMOVE_cputable.o = $(CC_FLAGS_FTRACE)
29CFLAGS_REMOVE_prom_init.o = $(CC_FLAGS_FTRACE)
30CFLAGS_REMOVE_btext.o = $(CC_FLAGS_FTRACE)
31CFLAGS_REMOVE_prom.o = $(CC_FLAGS_FTRACE)
32endif
33
34obj-y				:= cputable.o ptrace.o syscalls.o \
35				   irq.o align.o signal_32.o pmc.o vdso.o \
36				   process.o systbl.o idle.o \
37				   signal.o sysfs.o cacheinfo.o time.o \
38				   prom.o traps.o setup-common.o \
39				   udbg.o misc.o io.o misc_$(BITS).o \
40				   of_platform.o prom_parse.o
41obj-$(CONFIG_PPC64)		+= setup_64.o sys_ppc32.o \
42				   signal_64.o ptrace32.o \
43				   paca.o nvram_64.o firmware.o
44obj-$(CONFIG_VDSO32)		+= vdso32/
45obj-$(CONFIG_PPC_WATCHDOG)	+= watchdog.o
46obj-$(CONFIG_HAVE_HW_BREAKPOINT)	+= hw_breakpoint.o
47obj-$(CONFIG_PPC_BOOK3S_64)	+= cpu_setup_ppc970.o cpu_setup_pa6t.o
48obj-$(CONFIG_PPC_BOOK3S_64)	+= cpu_setup_power.o
49obj-$(CONFIG_PPC_BOOK3S_64)	+= mce.o mce_power.o
50obj-$(CONFIG_PPC_BOOK3E_64)	+= exceptions-64e.o idle_book3e.o
51obj-$(CONFIG_PPC_BARRIER_NOSPEC) += security.o
52obj-$(CONFIG_PPC64)		+= vdso64/
53obj-$(CONFIG_ALTIVEC)		+= vecemu.o
54obj-$(CONFIG_PPC_970_NAP)	+= idle_power4.o
55obj-$(CONFIG_PPC_P7_NAP)	+= idle_book3s.o
56procfs-y			:= proc_powerpc.o
57obj-$(CONFIG_PROC_FS)		+= $(procfs-y)
58rtaspci-$(CONFIG_PPC64)-$(CONFIG_PCI)	:= rtas_pci.o
59obj-$(CONFIG_PPC_RTAS)		+= rtas.o rtas-rtc.o $(rtaspci-y-y)
60obj-$(CONFIG_PPC_RTAS_DAEMON)	+= rtasd.o
61obj-$(CONFIG_RTAS_FLASH)	+= rtas_flash.o
62obj-$(CONFIG_RTAS_PROC)		+= rtas-proc.o
63obj-$(CONFIG_PPC_DT_CPU_FTRS)	+= dt_cpu_ftrs.o
64obj-$(CONFIG_EEH)              += eeh.o eeh_pe.o eeh_dev.o eeh_cache.o \
65				  eeh_driver.o eeh_event.o eeh_sysfs.o
66obj-$(CONFIG_GENERIC_TBSYNC)	+= smp-tbsync.o
67obj-$(CONFIG_CRASH_DUMP)	+= crash_dump.o
68obj-$(CONFIG_FA_DUMP)		+= fadump.o
69ifdef CONFIG_PPC32
70obj-$(CONFIG_E500)		+= idle_e500.o
71endif
72obj-$(CONFIG_PPC_BOOK3S_32)	+= idle_6xx.o l2cr_6xx.o cpu_setup_6xx.o
73obj-$(CONFIG_TAU)		+= tau_6xx.o
74obj-$(CONFIG_HIBERNATION)	+= swsusp.o suspend.o
75ifdef CONFIG_FSL_BOOKE
76obj-$(CONFIG_HIBERNATION)	+= swsusp_booke.o
77else
78obj-$(CONFIG_HIBERNATION)	+= swsusp_$(BITS).o
79endif
80obj64-$(CONFIG_HIBERNATION)	+= swsusp_asm64.o
81obj-$(CONFIG_MODULES)		+= module.o module_$(BITS).o
82obj-$(CONFIG_44x)		+= cpu_setup_44x.o
83obj-$(CONFIG_PPC_FSL_BOOK3E)	+= cpu_setup_fsl_booke.o
84obj-$(CONFIG_PPC_DOORBELL)	+= dbell.o
85obj-$(CONFIG_JUMP_LABEL)	+= jump_label.o
86
87extra-y				:= head_$(BITS).o
88extra-$(CONFIG_40x)		:= head_40x.o
89extra-$(CONFIG_44x)		:= head_44x.o
90extra-$(CONFIG_FSL_BOOKE)	:= head_fsl_booke.o
91extra-$(CONFIG_PPC_8xx)		:= head_8xx.o
92extra-y				+= vmlinux.lds
93
94obj-$(CONFIG_RELOCATABLE)	+= reloc_$(BITS).o
95
96obj-$(CONFIG_PPC32)		+= entry_32.o setup_32.o
97obj-$(CONFIG_PPC64)		+= dma-iommu.o iommu.o
98obj-$(CONFIG_KGDB)		+= kgdb.o
99obj-$(CONFIG_BOOTX_TEXT)	+= btext.o
100obj-$(CONFIG_SMP)		+= smp.o
101obj-$(CONFIG_KPROBES)		+= kprobes.o
102obj-$(CONFIG_OPTPROBES)		+= optprobes.o optprobes_head.o
103obj-$(CONFIG_KPROBES_ON_FTRACE)	+= kprobes-ftrace.o
104obj-$(CONFIG_UPROBES)		+= uprobes.o
105obj-$(CONFIG_PPC_UDBG_16550)	+= legacy_serial.o udbg_16550.o
106obj-$(CONFIG_STACKTRACE)	+= stacktrace.o
107obj-$(CONFIG_SWIOTLB)		+= dma-swiotlb.o
108obj-$(CONFIG_ARCH_HAS_DMA_SET_MASK) += dma-mask.o
109
110pci64-$(CONFIG_PPC64)		+= pci_dn.o pci-hotplug.o isa-bridge.o
111obj-$(CONFIG_PCI)		+= pci_$(BITS).o $(pci64-y) \
112				   pci-common.o pci_of_scan.o
113obj-$(CONFIG_PCI_MSI)		+= msi.o
114obj-$(CONFIG_KEXEC_CORE)	+= machine_kexec.o crash.o \
115				   machine_kexec_$(BITS).o
116obj-$(CONFIG_KEXEC_FILE)	+= machine_kexec_file_$(BITS).o kexec_elf_$(BITS).o
117ifdef CONFIG_HAVE_IMA_KEXEC
118ifdef CONFIG_IMA
119obj-y				+= ima_kexec.o
120endif
121endif
122
123obj-$(CONFIG_AUDIT)		+= audit.o
124obj64-$(CONFIG_AUDIT)		+= compat_audit.o
125
126obj-$(CONFIG_PPC_IO_WORKAROUNDS)	+= io-workarounds.o
127
128obj-y				+= trace/
129
130ifneq ($(CONFIG_PPC_INDIRECT_PIO),y)
131obj-y				+= iomap.o
132endif
133
134obj64-$(CONFIG_PPC_TRANSACTIONAL_MEM)	+= tm.o
135
136obj-$(CONFIG_PPC64)		+= $(obj64-y)
137obj-$(CONFIG_PPC32)		+= $(obj32-y)
138
139ifneq ($(CONFIG_XMON)$(CONFIG_KEXEC_CORE)(CONFIG_PPC_BOOK3S),)
140obj-y				+= ppc_save_regs.o
141endif
142
143obj-$(CONFIG_EPAPR_PARAVIRT)	+= epapr_paravirt.o epapr_hcalls.o
144obj-$(CONFIG_KVM_GUEST)		+= kvm.o kvm_emul.o
145
146# Disable GCOV, KCOV & sanitizers in odd or sensitive code
147GCOV_PROFILE_prom_init.o := n
148KCOV_INSTRUMENT_prom_init.o := n
149UBSAN_SANITIZE_prom_init.o := n
150GCOV_PROFILE_machine_kexec_64.o := n
151KCOV_INSTRUMENT_machine_kexec_64.o := n
152UBSAN_SANITIZE_machine_kexec_64.o := n
153GCOV_PROFILE_machine_kexec_32.o := n
154KCOV_INSTRUMENT_machine_kexec_32.o := n
155UBSAN_SANITIZE_machine_kexec_32.o := n
156GCOV_PROFILE_kprobes.o := n
157KCOV_INSTRUMENT_kprobes.o := n
158UBSAN_SANITIZE_kprobes.o := n
159GCOV_PROFILE_kprobes-ftrace.o := n
160KCOV_INSTRUMENT_kprobes-ftrace.o := n
161UBSAN_SANITIZE_kprobes-ftrace.o := n
162UBSAN_SANITIZE_vdso.o := n
163
164# Necessary for booting with kcov enabled on book3e machines
165KCOV_INSTRUMENT_cputable.o := n
166KCOV_INSTRUMENT_setup_64.o := n
167KCOV_INSTRUMENT_paca.o := n
168
169extra-$(CONFIG_PPC_FPU)		+= fpu.o
170extra-$(CONFIG_ALTIVEC)		+= vector.o
171extra-$(CONFIG_PPC64)		+= entry_64.o
172extra-$(CONFIG_PPC_OF_BOOT_TRAMPOLINE)	+= prom_init.o
173
174ifdef CONFIG_PPC_OF_BOOT_TRAMPOLINE
175$(obj)/built-in.a:		prom_init_check
176
177quiet_cmd_prom_init_check = CALL    $<
178      cmd_prom_init_check = $(CONFIG_SHELL) $< "$(NM)" "$(obj)/prom_init.o"
179
180PHONY += prom_init_check
181prom_init_check: $(src)/prom_init_check.sh $(obj)/prom_init.o
182	$(call cmd,prom_init_check)
183endif
184
185clean-files := vmlinux.lds
186