>> 1 #
>> 2 # i386/Makefile
>> 3 #
1 # This file is included by the global makefile 4 # This file is included by the global makefile so that you can add your own
2 # architecture-specific flags and dependencies !! 5 # architecture-specific flags and dependencies. Remember to do have actions
>> 6 # for "archclean" cleaning up for this architecture.
3 # 7 #
4 # This file is subject to the terms and condit 8 # This file is subject to the terms and conditions of the GNU General Public
5 # License. See the file "COPYING" in the main 9 # License. See the file "COPYING" in the main directory of this archive
6 # for more details. 10 # for more details.
7 # 11 #
>> 12 # Copyright (C) 1994 by Linus Torvalds
>> 13 #
>> 14 # 19990713 Artur Skawina <skawina@geocities.com>
>> 15 # Added '-march' and '-mpreferred-stack-boundary' support
>> 16 #
>> 17
>> 18 LDFLAGS := -m elf_i386
>> 19 OBJCOPYFLAGS := -O binary -R .note -R .comment -S
>> 20 LDFLAGS_vmlinux :=
>> 21
>> 22 CFLAGS += -pipe
>> 23
>> 24 # prevent gcc from keeping the stack 16 byte aligned
>> 25 CFLAGS += $(call check_gcc,-mpreferred-stack-boundary=2,)
>> 26
>> 27 align := $(subst -functions=0,,$(call check_gcc,-falign-functions=0,-malign-functions=0))
>> 28
>> 29 cflags-$(CONFIG_M386) += -march=i386
>> 30 cflags-$(CONFIG_M486) += -march=i486
>> 31 cflags-$(CONFIG_M586) += -march=i586
>> 32 cflags-$(CONFIG_M586TSC) += -march=i586
>> 33 cflags-$(CONFIG_M586MMX) += $(call check_gcc,-march=pentium-mmx,-march=i586)
>> 34 cflags-$(CONFIG_M686) += -march=i686
>> 35 cflags-$(CONFIG_MPENTIUMII) += $(call check_gcc,-march=pentium2,-march=i686)
>> 36 cflags-$(CONFIG_MPENTIUMIII) += $(call check_gcc,-march=pentium3,-march=i686)
>> 37 cflags-$(CONFIG_MPENTIUM4) += $(call check_gcc,-march=pentium4,-march=i686)
>> 38 cflags-$(CONFIG_MK6) += $(call check_gcc,-march=k6,-march=i586)
>> 39 # Please note, that patches that add -march=athlon-xp and friends are pointless.
>> 40 # They make zero difference whatsosever to performance at this time.
>> 41 cflags-$(CONFIG_MK7) += $(call check_gcc,-march=athlon,-march=i686 $(align)-functions=4)
>> 42 cflags-$(CONFIG_MK8) += $(call check_gcc,-march=k8,$(call check_gcc,-march=athlon,-march=i686 $(align)-functions=4))
>> 43 cflags-$(CONFIG_MCRUSOE) += -march=i686 $(align)-functions=0 $(align)-jumps=0 $(align)-loops=0
>> 44 cflags-$(CONFIG_MWINCHIPC6) += $(call check_gcc,-march=winchip-c6,-march=i586)
>> 45 cflags-$(CONFIG_MWINCHIP2) += $(call check_gcc,-march=winchip2,-march=i586)
>> 46 cflags-$(CONFIG_MWINCHIP3D) += $(call check_gcc,-march=winchip2,-march=i586)
>> 47 cflags-$(CONFIG_MCYRIXIII) += $(call check_gcc,-march=c3,-march=i486) $(align)-functions=0 $(align)-jumps=0 $(align)-loops=0
>> 48 cflags-$(CONFIG_MVIAC3_2) += $(call check_gcc,-march=c3-2,-march=i686)
>> 49
>> 50 CFLAGS += $(cflags-y)
>> 51
>> 52 # Default subarch .c files
>> 53 mcore-y := mach-default
>> 54
>> 55 # Voyager subarch support
>> 56 mflags-$(CONFIG_X86_VOYAGER) := -Iinclude/asm-i386/mach-voyager
>> 57 mcore-$(CONFIG_X86_VOYAGER) := mach-voyager
>> 58
>> 59 # VISWS subarch support
>> 60 mflags-$(CONFIG_X86_VISWS) := -Iinclude/asm-i386/mach-visws
>> 61 mcore-$(CONFIG_X86_VISWS) := mach-visws
>> 62
>> 63 # NUMAQ subarch support
>> 64 mflags-$(CONFIG_X86_NUMAQ) := -Iinclude/asm-i386/mach-numaq
>> 65 mcore-$(CONFIG_X86_NUMAQ) := mach-default
>> 66
>> 67 # BIGSMP subarch support
>> 68 mflags-$(CONFIG_X86_BIGSMP) := -Iinclude/asm-i386/mach-bigsmp
>> 69 mcore-$(CONFIG_X86_BIGSMP) := mach-default
>> 70
>> 71 #Summit subarch support
>> 72 mflags-$(CONFIG_X86_SUMMIT) := -Iinclude/asm-i386/mach-summit
>> 73 mcore-$(CONFIG_X86_SUMMIT) := mach-default
>> 74
>> 75 # generic subarchitecture
>> 76 mflags-$(CONFIG_X86_GENERICARCH) := -Iinclude/asm-i386/mach-generic
>> 77 mcore-$(CONFIG_X86_GENERICARCH) := mach-default
>> 78 core-$(CONFIG_X86_GENERICARCH) += arch/i386/mach-generic/
>> 79
>> 80 # ES7000 subarch support
>> 81 mflags-$(CONFIG_X86_ES7000) := -Iinclude/asm-i386/mach-es7000
>> 82 mcore-$(CONFIG_X86_ES7000) := mach-es7000
8 83
9 LDFLAGS_vmlinux := -z norelro !! 84 # default subarch .h files
10 ifeq ($(CONFIG_RELOCATABLE),y) !! 85 mflags-y += -Iinclude/asm-i386/mach-default
11 LDFLAGS_vmlinux += -shared -Bsymbolic !! 86
12 KBUILD_CFLAGS += -fPIE !! 87 head-y := arch/i386/kernel/head.o arch/i386/kernel/init_task.o
13 endif !! 88
14 ifeq ($(CONFIG_DYNAMIC_FTRACE),y) !! 89 libs-y += arch/i386/lib/
15 LDFLAGS_vmlinux += --no-relax !! 90 core-y += arch/i386/kernel/ \
16 KBUILD_CPPFLAGS += -DCC_USING_PATCHABL !! 91 arch/i386/mm/ \
17 ifeq ($(CONFIG_RISCV_ISA_C),y) !! 92 arch/i386/$(mcore-y)/
18 CC_FLAGS_FTRACE := -fpatchable-functio !! 93 drivers-$(CONFIG_MATH_EMULATION) += arch/i386/math-emu/
19 else !! 94 drivers-$(CONFIG_PCI) += arch/i386/pci/
20 CC_FLAGS_FTRACE := -fpatchable-functio !! 95 # must be linked after kernel/
21 endif !! 96 drivers-$(CONFIG_OPROFILE) += arch/i386/oprofile/
22 endif !! 97 drivers-$(CONFIG_PM) += arch/i386/power/
23 !! 98
24 ifeq ($(CONFIG_CMODEL_MEDLOW),y) !! 99 CFLAGS += $(mflags-y)
25 KBUILD_CFLAGS_MODULE += -mcmodel=medany !! 100 AFLAGS += $(mflags-y)
26 endif !! 101
27 !! 102 boot := arch/i386/boot
28 export BITS !! 103
29 ifeq ($(CONFIG_ARCH_RV64I),y) !! 104 .PHONY: zImage bzImage compressed zlilo bzlilo \
30 BITS := 64 !! 105 zdisk bzdisk fdimage fdimage144 fdimage288 install
31 UTS_MACHINE := riscv64 !! 106
32 !! 107 all: bzImage
33 KBUILD_CFLAGS += -mabi=lp64 !! 108
34 KBUILD_AFLAGS += -mabi=lp64 !! 109 BOOTIMAGE=arch/i386/boot/bzImage
35 !! 110 zImage zlilo zdisk: BOOTIMAGE=arch/i386/boot/zImage
36 KBUILD_LDFLAGS += -melf64lriscv !! 111
37 !! 112 zImage bzImage: vmlinux
38 KBUILD_RUSTFLAGS += -Ctarget-cpu=gener !! 113 $(Q)$(MAKE) $(build)=$(boot) $(BOOTIMAGE)
39 -Cno-redzone !! 114
40 else !! 115 compressed: zImage
41 BITS := 32 !! 116
42 UTS_MACHINE := riscv32 !! 117 zlilo bzlilo: vmlinux
43 !! 118 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) zlilo
44 KBUILD_CFLAGS += -mabi=ilp32 !! 119
45 KBUILD_AFLAGS += -mabi=ilp32 !! 120 zdisk bzdisk: vmlinux
46 KBUILD_LDFLAGS += -melf32lriscv !! 121 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) zdisk
47 endif !! 122
48 !! 123 install fdimage fdimage144 fdimage288: vmlinux
49 ifndef CONFIG_RISCV_USE_LINKER_RELAXATION !! 124 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) $@
50 KBUILD_CFLAGS += -mno-relax !! 125
51 KBUILD_AFLAGS += -mno-relax !! 126 prepare: include/asm-$(ARCH)/asm_offsets.h
52 ifndef CONFIG_AS_IS_LLVM !! 127 CLEAN_FILES += include/asm-$(ARCH)/asm_offsets.h
53 KBUILD_CFLAGS += -Wa,-mno-relax !! 128
54 KBUILD_AFLAGS += -Wa,-mno-relax !! 129 arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \
55 endif !! 130 include/config/MARKER
56 # LLVM has an issue with target-features and L !! 131
57 # Ensure it is aware of linker relaxation with !! 132 include/asm-$(ARCH)/asm_offsets.h: arch/$(ARCH)/kernel/asm-offsets.s
58 # be incorrect: https://github.com/llvm/llvm-p !! 133 $(call filechk,gen-asm-offsets)
59 else ifeq ($(CONFIG_LTO_CLANG),y) !! 134
60 KBUILD_LDFLAGS += -mllvm -mattr=+c -ml !! 135 archclean:
61 endif !! 136 $(Q)$(MAKE) $(clean)=arch/i386/boot
62 <<
63 ifeq ($(CONFIG_SHADOW_CALL_STACK),y) <<
64 KBUILD_LDFLAGS += --no-relax-gp <<
65 endif <<
66 <<
67 # ISA string setting <<
68 riscv-march-$(CONFIG_ARCH_RV32I) := rv3 <<
69 riscv-march-$(CONFIG_ARCH_RV64I) := rv6 <<
70 riscv-march-$(CONFIG_FPU) := $(r <<
71 riscv-march-$(CONFIG_RISCV_ISA_C) := $(r <<
72 riscv-march-$(CONFIG_RISCV_ISA_V) := $(r <<
73 <<
74 ifneq ($(CONFIG_RISCV_ISA_C),y) <<
75 KBUILD_RUSTFLAGS += -Ctarget-feature=- <<
76 endif <<
77 <<
78 ifdef CONFIG_TOOLCHAIN_NEEDS_OLD_ISA_SPEC <<
79 KBUILD_CFLAGS += -Wa,-misa-spec=2.2 <<
80 KBUILD_AFLAGS += -Wa,-misa-spec=2.2 <<
81 else <<
82 riscv-march-$(CONFIG_TOOLCHAIN_NEEDS_EXPLICIT_ <<
83 endif <<
84 <<
85 # Remove F,D,V from isa string for all. Keep e <<
86 # matching non-v and non-multi-letter extensio <<
87 KBUILD_CFLAGS += -march=$(shell echo $(riscv-m <<
88 <<
89 KBUILD_AFLAGS += -march=$(riscv-march-y) <<
90 <<
91 # For C code built with floating-point support <<
92 CC_FLAGS_FPU := -march=$(shell echo $(riscv-m <<
93 <<
94 KBUILD_CFLAGS += -mno-save-restore <<
95 KBUILD_CFLAGS += -DCONFIG_PAGE_OFFSET=$(CONFIG <<
96 <<
97 ifeq ($(CONFIG_CMODEL_MEDLOW),y) <<
98 KBUILD_CFLAGS += -mcmodel=medlow <<
99 endif <<
100 ifeq ($(CONFIG_CMODEL_MEDANY),y) <<
101 KBUILD_CFLAGS += -mcmodel=medany <<
102 endif <<
103 <<
104 # Avoid generating .eh_frame sections. <<
105 KBUILD_CFLAGS += -fno-asynchronous-unwind-tabl <<
106 <<
107 # The RISC-V attributes frequently cause compa <<
108 # information, so just turn them off. <<
109 KBUILD_CFLAGS += $(call cc-option,-mno-riscv-a <<
110 KBUILD_AFLAGS += $(call cc-option,-mno-riscv-a <<
111 KBUILD_CFLAGS += $(call as-option,-Wa$(comma)- <<
112 KBUILD_AFLAGS += $(call as-option,-Wa$(comma)- <<
113 <<
114 KBUILD_CFLAGS_MODULE += $(call cc-option,-mno- <<
115 KBUILD_AFLAGS_MODULE += $(call as-option,-Wa$( <<
116 <<
117 # GCC versions that support the "-mstrict-alig <<
118 # unaligned accesses. While unaligned accesse <<
119 # RISC-V ISA, they're emulated by machine mode <<
120 # architectures. It's faster to have GCC emit <<
121 ifneq ($(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCES <<
122 KBUILD_CFLAGS += $(call cc-option,-mstrict-ali <<
123 endif <<
124 <<
125 ifeq ($(CONFIG_STACKPROTECTOR_PER_TASK),y) <<
126 prepare: stack_protector_prepare <<
127 stack_protector_prepare: prepare0 <<
128 $(eval KBUILD_CFLAGS += -mstack-protec <<
129 -mstack-protec <<
130 -mstack-protec <<
131 awk '{if ($$2 == "TSK_ <<
132 includ <<
133 endif <<
134 <<
135 # arch specific predefines for sparse <<
136 CHECKFLAGS += -D__riscv -D__riscv_xlen=$(BITS) <<
137 <<
138 # Default target when executing plain make <<
139 boot := arch/riscv/boot <<
140 ifeq ($(CONFIG_XIP_KERNEL),y) <<
141 KBUILD_IMAGE := $(boot)/xipImage <<
142 else <<
143 ifeq ($(CONFIG_RISCV_M_MODE)$(CONFIG_SOC_CANAA <<
144 KBUILD_IMAGE := $(boot)/loader.bin <<
145 else <<
146 ifeq ($(CONFIG_EFI_ZBOOT),) <<
147 KBUILD_IMAGE := $(boot)/Image.gz <<
148 else <<
149 KBUILD_IMAGE := $(boot)/vmlinuz.efi <<
150 endif <<
151 endif <<
152 endif <<
153 <<
154 boot := arc <<
155 boot-image-y := Ima <<
156 boot-image-$(CONFIG_KERNEL_BZIP2) := Ima <<
157 boot-image-$(CONFIG_KERNEL_GZIP) := Ima <<
158 boot-image-$(CONFIG_KERNEL_LZ4) := Ima <<
159 boot-image-$(CONFIG_KERNEL_LZMA) := Ima <<
160 boot-image-$(CONFIG_KERNEL_LZO) := Ima <<
161 boot-image-$(CONFIG_KERNEL_ZSTD) := Ima <<
162 boot-image-$(CONFIG_KERNEL_XZ) := Ima <<
163 ifdef CONFIG_RISCV_M_MODE <<
164 boot-image-$(CONFIG_ARCH_CANAAN) := loa <<
165 endif <<
166 boot-image-$(CONFIG_EFI_ZBOOT) := vml <<
167 boot-image-$(CONFIG_XIP_KERNEL) := xip <<
168 KBUILD_IMAGE := $(b <<
169 <<
170 libs-y += arch/riscv/lib/ <<
171 libs-$(CONFIG_EFI_STUB) += $(objtree)/drivers/ <<
172 <<
173 ifeq ($(KBUILD_EXTMOD),) <<
174 ifeq ($(CONFIG_MMU),y) <<
175 prepare: vdso_prepare <<
176 vdso_prepare: prepare0 <<
177 $(Q)$(MAKE) $(build)=arch/riscv/kernel <<
178 $(if $(CONFIG_COMPAT),$(Q)$(MAKE) \ <<
179 $(build)=arch/riscv/kernel/com <<
180 <<
181 endif <<
182 endif <<
183 <<
184 vdso-install-y += arch/riscv/ <<
185 vdso-install-$(CONFIG_COMPAT) += arch/riscv/ <<
186 <<
187 BOOT_TARGETS := Image Image.gz Image.bz2 Image <<
188 <<
189 all: $(notdir $(KBUILD_IMAGE)) <<
190 <<
191 loader.bin: loader <<
192 Image.gz Image.bz2 Image.lz4 Image.lzma Image. <<
193 <<
194 $(BOOT_TARGETS): vmlinux <<
195 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$ <<
196 @$(kecho) ' Kernel: $(boot)/$@ is rea <<
197 <<
198 # the install target always installs KBUILD_IM <<
199 # but keep the zinstall target for compatibili <<
200 install zinstall: <<
201 $(call cmd,install) <<
202 <<
203 PHONY += rv32_randconfig <<
204 rv32_randconfig: <<
205 $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctre <<
206 -f $(srctree)/Makefile randcon <<
207 <<
208 PHONY += rv64_randconfig <<
209 rv64_randconfig: <<
210 $(Q)$(MAKE) KCONFIG_ALLCONFIG=$(srctre <<
211 -f $(srctree)/Makefile randcon <<
212 <<
213 PHONY += rv32_defconfig <<
214 rv32_defconfig: <<
215 $(Q)$(MAKE) -f $(srctree)/Makefile def <<
216 <<
217 PHONY += rv32_nommu_virt_defconfig <<
218 rv32_nommu_virt_defconfig: <<
219 $(Q)$(MAKE) -f $(srctree)/Makefile nom <<
220 137
221 define archhelp 138 define archhelp
222 echo ' Image - Uncompressed !! 139 echo '* bzImage - Compressed kernel image (arch/$(ARCH)/boot/bzImage)'
223 echo ' Image.gz - Compressed kernel im !! 140 echo ' install - Install kernel using'
224 echo ' Image.bz2 - Compressed kernel im !! 141 echo ' (your) ~/bin/installkernel or'
225 echo ' Image.lz4 - Compressed kernel im !! 142 echo ' (distribution) /sbin/installkernel or'
226 echo ' Image.lzma - Compressed kernel im !! 143 echo ' install to $$(INSTALL_PATH) and run lilo'
227 echo ' Image.lzo - Compressed kernel im !! 144 echo ' bzdisk - Create a boot floppy in /dev/fd0'
228 echo ' Image.zst - Compressed kernel im !! 145 echo ' fdimage - Create a boot floppy image'
229 echo ' Image.xz - Compressed kernel im <<
230 echo ' vmlinuz.efi - Compressed EFI kerne <<
231 echo ' Default when CONFIG_ <<
232 echo ' xipImage - Execute-in-place ker <<
233 echo ' Default when CONFIG_ <<
234 echo ' install - Install kernel using <<
235 echo ' (distribution) /sbin <<
236 echo ' $$(INSTALL_PATH)' <<
237 endef 146 endef
>> 147
>> 148 CLEAN_FILES += arch/$(ARCH)/boot/fdimage arch/$(ARCH)/boot/mtools.conf
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