1 # SPDX-License-Identifier: GPL-2.0-only !! 1 # $Id: Makefile,v 1.69 2001/11/19 04:09:53 davem Exp $
2 # !! 2 # Makefile for the linux kernel.
3 # Makefile for the RISC-V Linux kernel <<
4 # 3 #
5 4
6 ifdef CONFIG_FTRACE !! 5 SH = $(CONFIG_SHELL)
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 6
15 ifdef CONFIG_KEXEC_CORE !! 7 USE_STANDARD_AS_RULE := true
16 AFLAGS_kexec_relocate.o := -mcmodel=medany $(c !! 8 EXTRA_AFLAGS := -ansi
17 endif <<
18 9
19 # cmodel=medany and notrace when patching earl !! 10 all: kernel.o head.o init_task.o
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 = $(CC_FLAGS_FTRACE) <<
28 endif <<
29 ifdef CONFIG_RELOCATABLE <<
30 CFLAGS_alternative.o += -fno-pie <<
31 CFLAGS_cpufeature.o += -fno-pie <<
32 CFLAGS_sbi_ecall.o += -fno-pie <<
33 endif <<
34 ifdef CONFIG_KASAN <<
35 KASAN_SANITIZE_alternative.o := n <<
36 KASAN_SANITIZE_cpufeature.o := n <<
37 KASAN_SANITIZE_sbi_ecall.o := n <<
38 endif <<
39 ifdef CONFIG_FORTIFY_SOURCE <<
40 CFLAGS_alternative.o += -D__NO_FORTIFY <<
41 CFLAGS_cpufeature.o += -D__NO_FORTIFY <<
42 CFLAGS_sbi_ecall.o += -D__NO_FORTIFY <<
43 endif <<
44 endif <<
45 11
46 extra-y += vmlinux.lds !! 12 O_TARGET := kernel.o
47 13
48 obj-y += head.o !! 14 export-objs := sparc64_ksyms.o
49 obj-y += soc.o !! 15 obj-y := process.o setup.o cpu.o idprom.o \
50 obj-$(CONFIG_RISCV_ALTERNATIVE) += alternative !! 16 traps.o devices.o auxio.o \
51 obj-y += cpu.o !! 17 irq.o ptrace.o time.o sys_sparc.o signal.o \
52 obj-y += cpufeature.o !! 18 unaligned.o central.o pci.o starfire.o semaphore.o \
53 obj-y += entry.o !! 19 power.o sbus.o iommu_common.o sparc64_ksyms.o chmc.o
54 obj-y += irq.o !! 20
55 obj-y += process.o !! 21 obj-$(CONFIG_PCI) += ebus.o isa.o pci_common.o pci_iommu.o \
56 obj-y += ptrace.o !! 22 pci_psycho.o pci_sabre.o pci_schizo.o
57 obj-y += reset.o !! 23 obj-$(CONFIG_SMP) += smp.o trampoline.o
58 obj-y += return_address.o !! 24 obj-$(CONFIG_SPARC32_COMPAT) += sys32.o sys_sparc32.o signal32.o ioctl32.o
59 obj-y += setup.o !! 25 obj-$(CONFIG_BINFMT_ELF32) += binfmt_elf32.o
60 obj-y += signal.o !! 26 obj-$(CONFIG_BINFMT_AOUT32) += binfmt_aout32.o
61 obj-y += syscall_table.o !! 27
62 obj-y += sys_riscv.o !! 28 ifdef CONFIG_SUNOS_EMUL
63 obj-y += sys_hwprobe.o !! 29 obj-y += sys_sunos32.o sunos_ioctl32.o
64 obj-y += time.o !! 30 else
65 obj-y += traps.o !! 31 ifdef CONFIG_SOLARIS_EMUL
66 obj-y += riscv_ksyms.o !! 32 obj-y += sys_sunos32.o sunos_ioctl32.o
67 obj-y += stacktrace.o !! 33 endif
68 obj-y += cacheinfo.o !! 34 endif
69 obj-y += patch.o !! 35
70 obj-y += vendor_extensions.o !! 36 head.o: head.S ttable.S itlb_base.S dtlb_base.S dtlb_backend.S dtlb_prot.S \
71 obj-y += vendor_extensions/ !! 37 etrap.S rtrap.S winfixup.S entry.S
72 obj-y += probes/ !! 38 $(CC) $(AFLAGS) -ansi -c $*.S -o $*.o
73 obj-y += tests/ !! 39
74 obj-$(CONFIG_MMU) += vdso.o vdso/ !! 40 #
75 !! 41 # This is just to get the dependencies...
76 obj-$(CONFIG_RISCV_MISALIGNED) += traps_misal !! 42 #
77 obj-$(CONFIG_RISCV_MISALIGNED) += unaligned_a !! 43 binfmt_elf32.o: $(TOPDIR)/fs/binfmt_elf.c
78 obj-$(CONFIG_RISCV_PROBE_UNALIGNED_ACCESS) !! 44
79 !! 45 ifneq ($(NEW_GCC),y)
80 obj-$(CONFIG_FPU) += fpu.o !! 46 CMODEL_CFLAG := -mmedlow
81 obj-$(CONFIG_FPU) += kernel_mode !! 47 else
82 obj-$(CONFIG_RISCV_ISA_V) += vector.o !! 48 CMODEL_CFLAG := -m64 -mcmodel=medlow
83 obj-$(CONFIG_RISCV_ISA_V) += kernel_mode !! 49 endif
84 obj-$(CONFIG_SMP) += smpboot.o !! 50
85 obj-$(CONFIG_SMP) += smp.o !! 51 check_asm: dummy
86 obj-$(CONFIG_SMP) += cpu_ops.o !! 52 @if [ ! -r $(HPATH)/asm/asm_offsets.h ] ; then \
87 !! 53 touch $(HPATH)/asm/asm_offsets.h ; \
88 obj-$(CONFIG_RISCV_BOOT_SPINWAIT) += cpu_ops_s !! 54 fi
89 obj-$(CONFIG_MODULES) += module.o !! 55 @echo "/* Automatically generated. Do not edit. */" > asm_offsets.h
90 obj-$(CONFIG_MODULE_SECTIONS) += module-sect !! 56 @echo "#ifndef __ASM_OFFSETS_H__" >> asm_offsets.h
91 !! 57 @echo "#define __ASM_OFFSETS_H__" >> asm_offsets.h
92 obj-$(CONFIG_CPU_PM) += suspend_ent !! 58 @echo >> asm_offsets.h
93 obj-$(CONFIG_HIBERNATION) += hibernate.o !! 59 @echo "#include <linux/config.h>" >> asm_offsets.h
94 !! 60 @echo >> asm_offsets.h
95 obj-$(CONFIG_FUNCTION_TRACER) += mcount.o ft !! 61 @echo "#include <linux/config.h>" > tmp.c
96 obj-$(CONFIG_DYNAMIC_FTRACE) += mcount-dyn. !! 62 @echo "#include <linux/sched.h>" >> tmp.c
97 !! 63 $(CPP) $(CPPFLAGS) -P tmp.c -o tmp.i
98 obj-$(CONFIG_PERF_EVENTS) += perf_callch !! 64 @echo "/* Automatically generated. Do not edit. */" > check_asm_data.c
99 obj-$(CONFIG_HAVE_PERF_REGS) += perf_regs.o !! 65 @echo "#include <linux/config.h>" >> check_asm_data.c
100 obj-$(CONFIG_RISCV_SBI) += sbi.o sbi_e !! 66 @echo "#include <linux/sched.h>" >> check_asm_data.c
101 ifeq ($(CONFIG_RISCV_SBI), y) !! 67 @echo 'unsigned int check_asm_data[] = {' >> check_asm_data.c
102 obj-$(CONFIG_SMP) += sbi-ipi.o !! 68 $(SH) ./check_asm.sh -data task tmp.i check_asm_data.c
103 obj-$(CONFIG_SMP) += cpu_ops_sbi.o !! 69 $(SH) ./check_asm.sh -data mm tmp.i check_asm_data.c
104 endif !! 70 $(SH) ./check_asm.sh -data thread tmp.i check_asm_data.c
105 obj-$(CONFIG_HOTPLUG_CPU) += cpu-hotplug !! 71 @echo '};' >> check_asm_data.c
106 obj-$(CONFIG_PARAVIRT) += paravirt.o !! 72 $(CC) $(CPPFLAGS) $(CMODEL_CFLAG) -ffixed-g4 -S -o check_asm_data.s check_asm_data.c
107 obj-$(CONFIG_KGDB) += kgdb.o !! 73 @echo "/* Automatically generated. Do not edit. */" > check_asm.c
108 obj-$(CONFIG_KEXEC_CORE) += kexec_reloc !! 74 @echo 'extern int printf(const char *fmt, ...);' >>check_asm.c
109 obj-$(CONFIG_KEXEC_FILE) += elf_kexec.o !! 75 @echo 'unsigned int check_asm_data[] = {' >> check_asm.c
110 obj-$(CONFIG_CRASH_DUMP) += crash_dump. !! 76 $(SH) ./check_asm.sh -ints check_asm_data.s check_asm.c
111 obj-$(CONFIG_VMCORE_INFO) += vmcore_info !! 77 @echo '};' >> check_asm.c
112 !! 78 @echo 'int main(void) {' >> check_asm.c
113 obj-$(CONFIG_JUMP_LABEL) += jump_label. !! 79 @echo 'int i = 0;' >> check_asm.c
114 !! 80 $(SH) ./check_asm.sh -printf task tmp.i check_asm.c
115 obj-$(CONFIG_CFI_CLANG) += cfi.o !! 81 $(SH) ./check_asm.sh -printf mm tmp.i check_asm.c
116 !! 82 $(SH) ./check_asm.sh -printf thread tmp.i check_asm.c
117 obj-$(CONFIG_EFI) += efi.o !! 83 @echo 'return 0; }' >> check_asm.c
118 obj-$(CONFIG_COMPAT) += compat_sysc !! 84 @rm -f tmp.[ci] check_asm_data.[cs]
119 obj-$(CONFIG_COMPAT) += compat_sign !! 85 $(HOSTCC) -o check_asm check_asm.c
120 obj-$(CONFIG_COMPAT) += compat_vdso !! 86 ./check_asm >> asm_offsets.h
121 !! 87 @rm -f check_asm check_asm.c
122 obj-$(CONFIG_64BIT) += pi/ !! 88 @echo >> asm_offsets.h
123 obj-$(CONFIG_ACPI) += acpi.o !! 89 @echo "#endif /* __ASM_OFFSETS_H__ */" >> asm_offsets.h
124 obj-$(CONFIG_ACPI_NUMA) += acpi_numa.o !! 90 @if test -r $(HPATH)/asm/asm_offsets.h; then \
>> 91 if cmp -s asm_offsets.h $(HPATH)/asm/asm_offsets.h; then \
>> 92 echo $(HPATH)/asm/asm_offsets.h is unchanged; \
>> 93 rm -f asm_offsets.h; \
>> 94 else \
>> 95 mv -f asm_offsets.h $(HPATH)/asm/asm_offsets.h; \
>> 96 fi; \
>> 97 else \
>> 98 mv -f asm_offsets.h $(HPATH)/asm/asm_offsets.h; \
>> 99 fi
>> 100
>> 101 include $(TOPDIR)/Rules.make
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