>> 1 #
>> 2 # m68k/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.
3 # 6 #
4 # This file is subject to the terms and condit 7 # This file is subject to the terms and conditions of the GNU General Public
5 # License. See the file "COPYING" in the main 8 # License. See the file "COPYING" in the main directory of this archive
6 # for more details. 9 # for more details.
7 # 10 #
>> 11 # Copyright (C) 1994 by Hamish Macdonald
>> 12 # Copyright (C) 2002,2011 Greg Ungerer <gerg@snapgear.com>
>> 13 #
8 14
9 LDFLAGS_vmlinux := -z norelro !! 15 KBUILD_DEFCONFIG := multi_defconfig
10 ifeq ($(CONFIG_RELOCATABLE),y) <<
11 LDFLAGS_vmlinux += -shared -Bsymbolic <<
12 KBUILD_CFLAGS += -fPIE <<
13 endif <<
14 ifeq ($(CONFIG_DYNAMIC_FTRACE),y) <<
15 LDFLAGS_vmlinux += --no-relax <<
16 KBUILD_CPPFLAGS += -DCC_USING_PATCHABL <<
17 ifeq ($(CONFIG_RISCV_ISA_C),y) <<
18 CC_FLAGS_FTRACE := -fpatchable-functio <<
19 else <<
20 CC_FLAGS_FTRACE := -fpatchable-functio <<
21 endif <<
22 endif <<
23 <<
24 ifeq ($(CONFIG_CMODEL_MEDLOW),y) <<
25 KBUILD_CFLAGS_MODULE += -mcmodel=medany <<
26 endif <<
27 <<
28 export BITS <<
29 ifeq ($(CONFIG_ARCH_RV64I),y) <<
30 BITS := 64 <<
31 UTS_MACHINE := riscv64 <<
32 <<
33 KBUILD_CFLAGS += -mabi=lp64 <<
34 KBUILD_AFLAGS += -mabi=lp64 <<
35 <<
36 KBUILD_LDFLAGS += -melf64lriscv <<
37 16
38 KBUILD_RUSTFLAGS += -Ctarget-cpu=gener !! 17 ifdef cross_compiling
39 -Cno-redzone !! 18 ifeq ($(CROSS_COMPILE),)
40 else !! 19 CROSS_COMPILE := $(call cc-cross-prefix, \
41 BITS := 32 !! 20 m68k-linux-gnu- m68k-linux- m68k-unknown-linux-gnu-)
42 UTS_MACHINE := riscv32 !! 21 endif
43 <<
44 KBUILD_CFLAGS += -mabi=ilp32 <<
45 KBUILD_AFLAGS += -mabi=ilp32 <<
46 KBUILD_LDFLAGS += -melf32lriscv <<
47 endif 22 endif
48 23
49 ifndef CONFIG_RISCV_USE_LINKER_RELAXATION !! 24 #
50 KBUILD_CFLAGS += -mno-relax !! 25 # Enable processor type. Ordering of these is important - we want to
51 KBUILD_AFLAGS += -mno-relax !! 26 # use the minimum processor type of the range we support. The logic
52 ifndef CONFIG_AS_IS_LLVM !! 27 # for 680x0 will only allow use of the -m68060 or -m68040 if no other
53 KBUILD_CFLAGS += -Wa,-mno-relax !! 28 # 680x0 type is specified - and no option is specified for 68030 or
54 KBUILD_AFLAGS += -Wa,-mno-relax !! 29 # 68020. The other m68k/ColdFire types always specify some type of
>> 30 # compiler cpu type flag.
>> 31 #
>> 32 ifndef CONFIG_M68040
>> 33 cpuflags-$(CONFIG_M68060) = -m68060
55 endif 34 endif
56 # LLVM has an issue with target-features and L !! 35 ifndef CONFIG_M68060
57 # Ensure it is aware of linker relaxation with !! 36 cpuflags-$(CONFIG_M68040) = -m68040
58 # be incorrect: https://github.com/llvm/llvm-p <<
59 else ifeq ($(CONFIG_LTO_CLANG),y) <<
60 KBUILD_LDFLAGS += -mllvm -mattr=+c -ml <<
61 endif 37 endif
>> 38 cpuflags-$(CONFIG_M68030) =
>> 39 cpuflags-$(CONFIG_M68020) =
>> 40 cpuflags-$(CONFIG_M68000) = -m68000
>> 41 cpuflags-$(CONFIG_M5441x) = $(call cc-option,-mcpu=54455,-mcfv4e)
>> 42 cpuflags-$(CONFIG_M54xx) = $(call cc-option,-mcpu=5475,-m5200)
>> 43 cpuflags-$(CONFIG_M5407) = $(call cc-option,-mcpu=5407,-m5200)
>> 44 cpuflags-$(CONFIG_M532x) = $(call cc-option,-mcpu=532x,-m5307)
>> 45 cpuflags-$(CONFIG_M537x) = $(call cc-option,-mcpu=537x,-m5307)
>> 46 cpuflags-$(CONFIG_M5307) = $(call cc-option,-mcpu=5307,-m5200)
>> 47 cpuflags-$(CONFIG_M528x) = $(call cc-option,-mcpu=528x,-m5307)
>> 48 cpuflags-$(CONFIG_M5275) = $(call cc-option,-mcpu=5275,-m5307)
>> 49 cpuflags-$(CONFIG_M5272) = $(call cc-option,-mcpu=5272,-m5307)
>> 50 cpuflags-$(CONFIG_M5271) = $(call cc-option,-mcpu=5271,-m5307)
>> 51 cpuflags-$(CONFIG_M523x) = $(call cc-option,-mcpu=523x,-m5307)
>> 52 cpuflags-$(CONFIG_M525x) = $(call cc-option,-mcpu=5253,-m5200)
>> 53 cpuflags-$(CONFIG_M5249) = $(call cc-option,-mcpu=5249,-m5200)
>> 54 cpuflags-$(CONFIG_M520x) = $(call cc-option,-mcpu=5208,-m5200)
>> 55 cpuflags-$(CONFIG_M5206e) = $(call cc-option,-mcpu=5206e,-m5200)
>> 56 cpuflags-$(CONFIG_M5206) = $(call cc-option,-mcpu=5206,-m5200)
62 57
63 ifeq ($(CONFIG_SHADOW_CALL_STACK),y) !! 58 # Evaluate tune cc-option calls now
64 KBUILD_LDFLAGS += --no-relax-gp !! 59 cpuflags-y := $(cpuflags-y)
65 endif <<
66 60
67 # ISA string setting !! 61 KBUILD_AFLAGS += $(cpuflags-y)
68 riscv-march-$(CONFIG_ARCH_RV32I) := rv3 !! 62 KBUILD_CFLAGS += $(cpuflags-y)
69 riscv-march-$(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) := $(r <<
73 63
74 ifneq ($(CONFIG_RISCV_ISA_C),y) !! 64 KBUILD_CFLAGS += -pipe -ffreestanding
75 KBUILD_RUSTFLAGS += -Ctarget-feature=- <<
76 endif <<
77 65
78 ifdef CONFIG_TOOLCHAIN_NEEDS_OLD_ISA_SPEC !! 66 ifdef CONFIG_MMU
79 KBUILD_CFLAGS += -Wa,-misa-spec=2.2 !! 67 KBUILD_CFLAGS += -ffixed-a2
80 KBUILD_AFLAGS += -Wa,-misa-spec=2.2 <<
81 else 68 else
82 riscv-march-$(CONFIG_TOOLCHAIN_NEEDS_EXPLICIT_ !! 69 # we can use a m68k-linux-gcc toolchain with these in place
>> 70 KBUILD_CPPFLAGS += -DUTS_SYSNAME=\"uClinux\"
>> 71 KBUILD_CPPFLAGS += -D__uClinux__
83 endif 72 endif
84 73
85 # Remove F,D,V from isa string for all. Keep e !! 74 KBUILD_LDFLAGS := -m m68kelf
86 # matching non-v and non-multi-letter extensio <<
87 KBUILD_CFLAGS += -march=$(shell echo $(riscv-m <<
88 75
89 KBUILD_AFLAGS += -march=$(riscv-march-y) !! 76 ifdef CONFIG_SUN3
>> 77 LDFLAGS_vmlinux = -N
>> 78 endif
90 79
91 # For C code built with floating-point support !! 80 CHECKFLAGS += -D__mc68000__
92 CC_FLAGS_FPU := -march=$(shell echo $(riscv-m <<
93 81
94 KBUILD_CFLAGS += -mno-save-restore <<
95 KBUILD_CFLAGS += -DCONFIG_PAGE_OFFSET=$(CONFIG <<
96 82
97 ifeq ($(CONFIG_CMODEL_MEDLOW),y) !! 83 ifdef CONFIG_KGDB
98 KBUILD_CFLAGS += -mcmodel=medlow !! 84 # If configured for kgdb support, include debugging infos and keep the
99 endif !! 85 # frame pointer
100 ifeq ($(CONFIG_CMODEL_MEDANY),y) !! 86 KBUILD_CFLAGS := $(subst -fomit-frame-pointer,,$(KBUILD_CFLAGS)) -g
101 KBUILD_CFLAGS += -mcmodel=medany <<
102 endif 87 endif
103 88
104 # Avoid generating .eh_frame sections. !! 89 #
105 KBUILD_CFLAGS += -fno-asynchronous-unwind-tabl !! 90 # Select the assembler head startup code. Order is important. The default
>> 91 # head code is first, processor specific selections can override it after.
>> 92 #
>> 93 head-y := arch/m68k/kernel/head.o
>> 94 head-$(CONFIG_SUN3) := arch/m68k/kernel/sun3-head.o
>> 95 head-$(CONFIG_M68000) := arch/m68k/68000/head.o
>> 96 head-$(CONFIG_COLDFIRE) := arch/m68k/coldfire/head.o
106 97
107 # The RISC-V attributes frequently cause compa !! 98 libs-y += arch/m68k/lib/
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 99
114 KBUILD_CFLAGS_MODULE += $(call cc-option,-mno- <<
115 KBUILD_AFLAGS_MODULE += $(call as-option,-Wa$( <<
116 100
117 # GCC versions that support the "-mstrict-alig !! 101 all: zImage
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 += $(call cc-option,-mstrict-ali <<
123 endif <<
124 102
125 ifeq ($(CONFIG_STACKPROTECTOR_PER_TASK),y) !! 103 lilo: vmlinux
126 prepare: stack_protector_prepare !! 104 if [ -f $(INSTALL_PATH)/vmlinux ]; then mv -f $(INSTALL_PATH)/vmlinux $(INSTALL_PATH)/vmlinux.old; fi
127 stack_protector_prepare: prepare0 !! 105 if [ -f $(INSTALL_PATH)/System.map ]; then mv -f $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi
128 $(eval KBUILD_CFLAGS += -mstack-protec !! 106 cat vmlinux > $(INSTALL_PATH)/vmlinux
129 -mstack-protec !! 107 cp System.map $(INSTALL_PATH)/System.map
130 -mstack-protec !! 108 if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi
131 awk '{if ($$2 == "TSK_ <<
132 includ <<
133 endif <<
134 109
135 # arch specific predefines for sparse !! 110 zImage compressed: vmlinux.gz
136 CHECKFLAGS += -D__riscv -D__riscv_xlen=$(BITS) <<
137 111
138 # Default target when executing plain make !! 112 vmlinux.gz: vmlinux
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 <<
153 113
154 boot := arc !! 114 ifndef CONFIG_KGDB
155 boot-image-y := Ima !! 115 cp vmlinux vmlinux.tmp
156 boot-image-$(CONFIG_KERNEL_BZIP2) := Ima !! 116 $(STRIP) vmlinux.tmp
157 boot-image-$(CONFIG_KERNEL_GZIP) := Ima !! 117 $(KGZIP) -9c vmlinux.tmp >vmlinux.gz
158 boot-image-$(CONFIG_KERNEL_LZ4) := Ima !! 118 rm vmlinux.tmp
159 boot-image-$(CONFIG_KERNEL_LZMA) := Ima !! 119 else
160 boot-image-$(CONFIG_KERNEL_LZO) := Ima !! 120 $(KGZIP) -9c vmlinux >vmlinux.gz
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 121 endif
166 boot-image-$(CONFIG_EFI_ZBOOT) := vml <<
167 boot-image-$(CONFIG_XIP_KERNEL) := xip <<
168 KBUILD_IMAGE := $(b <<
169 122
170 libs-y += arch/riscv/lib/ !! 123 bzImage: vmlinux.bz2
171 libs-$(CONFIG_EFI_STUB) += $(objtree)/drivers/ <<
172 124
173 ifeq ($(KBUILD_EXTMOD),) !! 125 vmlinux.bz2: vmlinux
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 <<
180 126
181 endif !! 127 ifndef CONFIG_KGDB
>> 128 cp vmlinux vmlinux.tmp
>> 129 $(STRIP) vmlinux.tmp
>> 130 $(KBZIP2) -1c vmlinux.tmp >vmlinux.bz2
>> 131 rm vmlinux.tmp
>> 132 else
>> 133 $(KBZIP2) -1c vmlinux >vmlinux.bz2
182 endif 134 endif
183 135
184 vdso-install-y += arch/riscv/ !! 136 CLEAN_FILES += vmlinux.gz vmlinux.bz2
185 vdso-install-$(CONFIG_COMPAT) += arch/riscv/ <<
186 137
187 BOOT_TARGETS := Image Image.gz Image.bz2 Image !! 138 archheaders:
>> 139 $(Q)$(MAKE) $(build)=arch/m68k/kernel/syscalls all
188 140
189 all: $(notdir $(KBUILD_IMAGE)) !! 141 install: KBUILD_IMAGE := vmlinux.gz
190 !! 142 install:
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) 143 $(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 <<
221 define archhelp <<
222 echo ' Image - Uncompressed <<
223 echo ' Image.gz - Compressed kernel im <<
224 echo ' Image.bz2 - Compressed kernel im <<
225 echo ' Image.lz4 - Compressed kernel im <<
226 echo ' Image.lzma - Compressed kernel im <<
227 echo ' Image.lzo - Compressed kernel im <<
228 echo ' Image.zst - Compressed kernel im <<
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 <<
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