xref: /openbmc/linux/arch/arm/kernel/Makefile (revision 46eeaa11bdd1bc9e077bdf741d32ca7235d263c6)
1 # SPDX-License-Identifier: GPL-2.0
2 #
3 # Makefile for the linux kernel.
4 #
5 
6 CPPFLAGS_vmlinux.lds := -DTEXT_OFFSET=$(TEXT_OFFSET)
7 AFLAGS_head.o        := -DTEXT_OFFSET=$(TEXT_OFFSET)
8 
9 ifdef CONFIG_FUNCTION_TRACER
10 CFLAGS_REMOVE_ftrace.o = -pg
11 CFLAGS_REMOVE_insn.o = -pg
12 CFLAGS_REMOVE_patch.o = -pg
13 CFLAGS_REMOVE_unwind.o = -pg
14 endif
15 
16 CFLAGS_REMOVE_return_address.o = -pg
17 
18 # Object file lists.
19 
20 obj-y		:= elf.o entry-common.o irq.o opcodes.o \
21 		   process.o ptrace.o reboot.o io.o \
22 		   setup.o signal.o sigreturn_codes.o \
23 		   stacktrace.o sys_arm.o time.o traps.o
24 
25 KASAN_SANITIZE_stacktrace.o := n
26 KASAN_SANITIZE_traps.o := n
27 
28 ifneq ($(CONFIG_ARM_UNWIND),y)
29 obj-$(CONFIG_FRAME_POINTER)	+= return_address.o
30 endif
31 
32 obj-$(CONFIG_ATAGS)		+= atags_parse.o
33 obj-$(CONFIG_ATAGS_PROC)	+= atags_proc.o
34 obj-$(CONFIG_DEPRECATED_PARAM_STRUCT) += atags_compat.o
35 
36 ifeq ($(CONFIG_CPU_V7M),y)
37 obj-y		+= entry-v7m.o v7m.o
38 else
39 obj-y		+= entry-armv.o
40 endif
41 
42 obj-$(CONFIG_MMU)		+= bugs.o
43 obj-$(CONFIG_CPU_IDLE)		+= cpuidle.o
44 obj-$(CONFIG_ISA_DMA_API)	+= dma.o
45 obj-$(CONFIG_FIQ)		+= fiq.o fiqasm.o
46 obj-$(CONFIG_MODULES)		+= armksyms.o module.o
47 obj-$(CONFIG_ARM_MODULE_PLTS)	+= module-plts.o
48 obj-$(CONFIG_PCI)		+= bios32.o isa.o
49 obj-$(CONFIG_ARM_CPU_SUSPEND)	+= sleep.o suspend.o
50 obj-$(CONFIG_HIBERNATION)	+= hibernate.o
51 obj-$(CONFIG_SMP)		+= smp.o
52 ifdef CONFIG_MMU
53 obj-$(CONFIG_SMP)		+= smp_tlb.o
54 endif
55 obj-$(CONFIG_HAVE_ARM_SCU)	+= smp_scu.o
56 obj-$(CONFIG_HAVE_ARM_TWD)	+= smp_twd.o
57 obj-$(CONFIG_ARM_ARCH_TIMER)	+= arch_timer.o
58 obj-$(CONFIG_FUNCTION_TRACER)	+= entry-ftrace.o
59 obj-$(CONFIG_DYNAMIC_FTRACE)	+= ftrace.o insn.o patch.o
60 obj-$(CONFIG_FUNCTION_GRAPH_TRACER)	+= ftrace.o insn.o patch.o
61 obj-$(CONFIG_JUMP_LABEL)	+= jump_label.o insn.o patch.o
62 obj-$(CONFIG_KEXEC_CORE)	+= machine_kexec.o relocate_kernel.o
63 # Main staffs in KPROBES are in arch/arm/probes/ .
64 obj-$(CONFIG_KPROBES)		+= patch.o insn.o
65 obj-$(CONFIG_OABI_COMPAT)	+= sys_oabi-compat.o
66 obj-$(CONFIG_ARM_THUMBEE)	+= thumbee.o
67 obj-$(CONFIG_KGDB)		+= kgdb.o patch.o
68 obj-$(CONFIG_ARM_UNWIND)	+= unwind.o
69 obj-$(CONFIG_HAVE_TCM)		+= tcm.o
70 obj-$(CONFIG_OF)		+= devtree.o
71 obj-$(CONFIG_CRASH_DUMP)	+= crash_dump.o
72 obj-$(CONFIG_SWP_EMULATE)	+= swp_emulate.o
73 obj-$(CONFIG_HAVE_HW_BREAKPOINT)	+= hw_breakpoint.o
74 
75 obj-$(CONFIG_CPU_XSCALE)	+= xscale-cp0.o
76 obj-$(CONFIG_CPU_XSC3)		+= xscale-cp0.o
77 obj-$(CONFIG_CPU_MOHAWK)	+= xscale-cp0.o
78 obj-$(CONFIG_IWMMXT)		+= iwmmxt.o
79 obj-$(CONFIG_PERF_EVENTS)	+= perf_regs.o perf_callchain.o
80 obj-$(CONFIG_HW_PERF_EVENTS)	+= perf_event_xscale.o perf_event_v6.o \
81 				   perf_event_v7.o
82 AFLAGS_iwmmxt.o			:= -Wa,-mcpu=iwmmxt
83 obj-$(CONFIG_ARM_CPU_TOPOLOGY)  += topology.o
84 obj-$(CONFIG_VDSO)		+= vdso.o
85 obj-$(CONFIG_EFI)		+= efi.o
86 obj-$(CONFIG_PARAVIRT)	+= paravirt.o
87 
88 obj-y			+= head$(MMUEXT).o
89 obj-$(CONFIG_DEBUG_LL)	+= debug.o
90 obj-$(CONFIG_EARLY_PRINTK)	+= early_printk.o
91 obj-$(CONFIG_ARM_PATCH_PHYS_VIRT)	+= phys2virt.o
92 
93 # This is executed very early using a temporary stack when no memory allocator
94 # nor global data is available. Everything has to be allocated on the stack.
95 CFLAGS_head-inflate-data.o := $(call cc-option,-Wframe-larger-than=10240)
96 obj-$(CONFIG_XIP_DEFLATED_DATA) += head-inflate-data.o
97 
98 obj-$(CONFIG_ARM_VIRT_EXT)	+= hyp-stub.o
99 ifeq ($(CONFIG_ARM_PSCI),y)
100 obj-$(CONFIG_SMP)		+= psci_smp.o
101 endif
102 
103 obj-$(CONFIG_HAVE_ARM_SMCCC)	+= smccc-call.o
104 
105 obj-$(CONFIG_GENERIC_CPU_VULNERABILITIES) += spectre.o
106 
107 extra-y := vmlinux.lds
108