1 # SPDX-License-Identifier: GPL-2.0-only
2 #
3 # Makefile for the RISC-V Linux kernel
4 #
5
6 ifdef CONFIG_FTRACE
7 CFLAGS_REMOVE_ftrace.o = $(CC_FLAGS_FTRACE)
8 CFLAGS_REMOVE_patch.o = $(CC_FLAGS_FTRACE)
9 CFLAGS_REMOVE_sbi.o = $(CC_FLAGS_FTRACE)
10 CFLAGS_REMOVE_return_address.o = $(CC_FLAGS_F
11 endif
12 CFLAGS_syscall_table.o += $(call cc-option,-W
13 CFLAGS_compat_syscall_table.o += $(call cc-opt
14
15 ifdef CONFIG_KEXEC_CORE
16 AFLAGS_kexec_relocate.o := -mcmodel=medany $(c
17 endif
18
19 # cmodel=medany and notrace when patching earl
20 ifdef CONFIG_RISCV_ALTERNATIVE_EARLY
21 CFLAGS_alternative.o := -mcmodel=medany
22 CFLAGS_cpufeature.o := -mcmodel=medany
23 CFLAGS_sbi_ecall.o := -mcmodel=medany
24 ifdef CONFIG_FTRACE
25 CFLAGS_REMOVE_alternative.o = $(CC_FLAGS_FTRAC
26 CFLAGS_REMOVE_cpufeature.o = $(CC_FLAGS_FTRACE
27 CFLAGS_REMOVE_sbi_ecall.o = $(CC_FLAGS_FTRACE)
28 endif
29 ifdef CONFIG_RELOCATABLE
30 CFLAGS_alternative.o += -fno-pie
31 CFLAGS_cpufeature.o += -fno-pie
32 CFLAGS_sbi_ecall.o += -fno-pie
33 endif
34 ifdef CONFIG_KASAN
35 KASAN_SANITIZE_alternative.o := n
36 KASAN_SANITIZE_cpufeature.o := n
37 KASAN_SANITIZE_sbi_ecall.o := n
38 endif
39 ifdef CONFIG_FORTIFY_SOURCE
40 CFLAGS_alternative.o += -D__NO_FORTIFY
41 CFLAGS_cpufeature.o += -D__NO_FORTIFY
42 CFLAGS_sbi_ecall.o += -D__NO_FORTIFY
43 endif
44 endif
45
46 extra-y += vmlinux.lds
47
48 obj-y += head.o
49 obj-y += soc.o
50 obj-$(CONFIG_RISCV_ALTERNATIVE) += alternative
51 obj-y += cpu.o
52 obj-y += cpufeature.o
53 obj-y += entry.o
54 obj-y += irq.o
55 obj-y += process.o
56 obj-y += ptrace.o
57 obj-y += reset.o
58 obj-y += return_address.o
59 obj-y += setup.o
60 obj-y += signal.o
61 obj-y += syscall_table.o
62 obj-y += sys_riscv.o
63 obj-y += sys_hwprobe.o
64 obj-y += time.o
65 obj-y += traps.o
66 obj-y += riscv_ksyms.o
67 obj-y += stacktrace.o
68 obj-y += cacheinfo.o
69 obj-y += patch.o
70 obj-y += vendor_extensions.o
71 obj-y += vendor_extensions/
72 obj-y += probes/
73 obj-y += tests/
74 obj-$(CONFIG_MMU) += vdso.o vdso/
75
76 obj-$(CONFIG_RISCV_MISALIGNED) += traps_misal
77 obj-$(CONFIG_RISCV_MISALIGNED) += unaligned_a
78 obj-$(CONFIG_RISCV_PROBE_UNALIGNED_ACCESS)
79
80 obj-$(CONFIG_FPU) += fpu.o
81 obj-$(CONFIG_FPU) += kernel_mode
82 obj-$(CONFIG_RISCV_ISA_V) += vector.o
83 obj-$(CONFIG_RISCV_ISA_V) += kernel_mode
84 obj-$(CONFIG_SMP) += smpboot.o
85 obj-$(CONFIG_SMP) += smp.o
86 obj-$(CONFIG_SMP) += cpu_ops.o
87
88 obj-$(CONFIG_RISCV_BOOT_SPINWAIT) += cpu_ops_s
89 obj-$(CONFIG_MODULES) += module.o
90 obj-$(CONFIG_MODULE_SECTIONS) += module-sect
91
92 obj-$(CONFIG_CPU_PM) += suspend_ent
93 obj-$(CONFIG_HIBERNATION) += hibernate.o
94
95 obj-$(CONFIG_FUNCTION_TRACER) += mcount.o ft
96 obj-$(CONFIG_DYNAMIC_FTRACE) += mcount-dyn.
97
98 obj-$(CONFIG_PERF_EVENTS) += perf_callch
99 obj-$(CONFIG_HAVE_PERF_REGS) += perf_regs.o
100 obj-$(CONFIG_RISCV_SBI) += sbi.o sbi_e
101 ifeq ($(CONFIG_RISCV_SBI), y)
102 obj-$(CONFIG_SMP) += sbi-ipi.o
103 obj-$(CONFIG_SMP) += cpu_ops_sbi.o
104 endif
105 obj-$(CONFIG_HOTPLUG_CPU) += cpu-hotplug
106 obj-$(CONFIG_PARAVIRT) += paravirt.o
107 obj-$(CONFIG_KGDB) += kgdb.o
108 obj-$(CONFIG_KEXEC_CORE) += kexec_reloc
109 obj-$(CONFIG_KEXEC_FILE) += elf_kexec.o
110 obj-$(CONFIG_CRASH_DUMP) += crash_dump.
111 obj-$(CONFIG_VMCORE_INFO) += vmcore_info
112
113 obj-$(CONFIG_JUMP_LABEL) += jump_label.
114
115 obj-$(CONFIG_CFI_CLANG) += cfi.o
116
117 obj-$(CONFIG_EFI) += efi.o
118 obj-$(CONFIG_COMPAT) += compat_sysc
119 obj-$(CONFIG_COMPAT) += compat_sign
120 obj-$(CONFIG_COMPAT) += compat_vdso
121
122 obj-$(CONFIG_64BIT) += pi/
123 obj-$(CONFIG_ACPI) += acpi.o
124 obj-$(CONFIG_ACPI_NUMA) += acpi_numa.o
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