>> 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. Remember to do have actions
>> 6 # for "archclean" and "archdep" for cleaning up and making dependencies for
>> 7 # this architecture
3 # 8 #
4 # This file is subject to the terms and condit 9 # This file is subject to the terms and conditions of the GNU General Public
5 # License. See the file "COPYING" in the main 10 # License. See the file "COPYING" in the main directory of this archive
6 # for more details. 11 # for more details.
7 # 12 #
>> 13 # Copyright (C) 1994 by Hamish Macdonald
>> 14 # Copyright (C) 2002,2011 Greg Ungerer <gerg@snapgear.com>
>> 15 #
8 16
9 LDFLAGS_vmlinux := -z norelro !! 17 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 ($(CONFIG_RISCV_ISA_C),y) <<
18 CC_FLAGS_FTRACE := -fpatchable-functio <<
19 else <<
20 CC_FLAGS_FTRACE := -fpatchable-functio <<
21 endif <<
22 endif <<
23 18
24 ifeq ($(CONFIG_CMODEL_MEDLOW),y) !! 19 ifneq ($(SUBARCH),$(ARCH))
25 KBUILD_CFLAGS_MODULE += -mcmodel=medany !! 20 ifeq ($(CROSS_COMPILE),)
>> 21 CROSS_COMPILE := $(call cc-cross-prefix, \
>> 22 m68k-linux-gnu- m68k-linux- m68k-unknown-linux-gnu-)
>> 23 endif
26 endif 24 endif
27 25
28 export BITS !! 26 #
29 ifeq ($(CONFIG_ARCH_RV64I),y) !! 27 # Enable processor type. Ordering of these is important - we want to
30 BITS := 64 !! 28 # use the minimum processor type of the range we support. The logic
31 UTS_MACHINE := riscv64 !! 29 # for 680x0 will only allow use of the -m68060 or -m68040 if no other
32 !! 30 # 680x0 type is specified - and no option is specified for 68030 or
33 KBUILD_CFLAGS += -mabi=lp64 !! 31 # 68020. The other m68k/ColdFire types always specify some type of
34 KBUILD_AFLAGS += -mabi=lp64 !! 32 # compiler cpu type flag.
35 !! 33 #
36 KBUILD_LDFLAGS += -melf64lriscv !! 34 ifndef CONFIG_M68040
37 !! 35 cpuflags-$(CONFIG_M68060) := -m68060
38 KBUILD_RUSTFLAGS += -Ctarget-cpu=gener <<
39 -Cno-redzone <<
40 else <<
41 BITS := 32 <<
42 UTS_MACHINE := riscv32 <<
43 <<
44 KBUILD_CFLAGS += -mabi=ilp32 <<
45 KBUILD_AFLAGS += -mabi=ilp32 <<
46 KBUILD_LDFLAGS += -melf32lriscv <<
47 endif 36 endif
48 !! 37 ifndef CONFIG_M68060
49 ifndef CONFIG_RISCV_USE_LINKER_RELAXATION !! 38 cpuflags-$(CONFIG_M68040) := -m68040
50 KBUILD_CFLAGS += -mno-relax <<
51 KBUILD_AFLAGS += -mno-relax <<
52 ifndef CONFIG_AS_IS_LLVM <<
53 KBUILD_CFLAGS += -Wa,-mno-relax <<
54 KBUILD_AFLAGS += -Wa,-mno-relax <<
55 endif 39 endif
56 # LLVM has an issue with target-features and L !! 40 cpuflags-$(CONFIG_M68030) :=
57 # Ensure it is aware of linker relaxation with !! 41 cpuflags-$(CONFIG_M68020) :=
58 # be incorrect: https://github.com/llvm/llvm-p !! 42 cpuflags-$(CONFIG_M68000) := -m68000
59 else ifeq ($(CONFIG_LTO_CLANG),y) !! 43 cpuflags-$(CONFIG_M5441x) := $(call cc-option,-mcpu=54455,-mcfv4e)
60 KBUILD_LDFLAGS += -mllvm -mattr=+c -ml !! 44 cpuflags-$(CONFIG_M54xx) := $(call cc-option,-mcpu=5475,-m5200)
>> 45 cpuflags-$(CONFIG_M5407) := $(call cc-option,-mcpu=5407,-m5200)
>> 46 cpuflags-$(CONFIG_M532x) := $(call cc-option,-mcpu=532x,-m5307)
>> 47 cpuflags-$(CONFIG_M537x) := $(call cc-option,-mcpu=537x,-m5307)
>> 48 cpuflags-$(CONFIG_M5307) := $(call cc-option,-mcpu=5307,-m5200)
>> 49 cpuflags-$(CONFIG_M528x) := $(call cc-option,-mcpu=528x,-m5307)
>> 50 cpuflags-$(CONFIG_M5275) := $(call cc-option,-mcpu=5275,-m5307)
>> 51 cpuflags-$(CONFIG_M5272) := $(call cc-option,-mcpu=5272,-m5307)
>> 52 cpuflags-$(CONFIG_M5271) := $(call cc-option,-mcpu=5271,-m5307)
>> 53 cpuflags-$(CONFIG_M523x) := $(call cc-option,-mcpu=523x,-m5307)
>> 54 cpuflags-$(CONFIG_M525x) := $(call cc-option,-mcpu=5253,-m5200)
>> 55 cpuflags-$(CONFIG_M5249) := $(call cc-option,-mcpu=5249,-m5200)
>> 56 cpuflags-$(CONFIG_M520x) := $(call cc-option,-mcpu=5208,-m5200)
>> 57 cpuflags-$(CONFIG_M5206e) := $(call cc-option,-mcpu=5206e,-m5200)
>> 58 cpuflags-$(CONFIG_M5206) := $(call cc-option,-mcpu=5206,-m5200)
>> 59
>> 60 KBUILD_AFLAGS += $(cpuflags-y)
>> 61 KBUILD_CFLAGS += $(cpuflags-y)
>> 62
>> 63 KBUILD_CFLAGS += -pipe -ffreestanding
>> 64
>> 65 ifdef CONFIG_MMU
>> 66 # without -fno-strength-reduce the 53c7xx.c driver fails ;-(
>> 67 KBUILD_CFLAGS += -fno-strength-reduce -ffixed-a2
>> 68 else
>> 69 # we can use a m68k-linux-gcc toolchain with these in place
>> 70 KBUILD_CFLAGS += -DUTS_SYSNAME=\"uClinux\"
>> 71 KBUILD_CFLAGS += -D__uClinux__
>> 72 KBUILD_AFLAGS += -D__uClinux__
>> 73 endif
>> 74
>> 75 KBUILD_LDFLAGS := -m m68kelf
>> 76 KBUILD_LDS_MODULE += $(srctree)/arch/m68k/kernel/module.lds
>> 77
>> 78 ifdef CONFIG_SUN3
>> 79 LDFLAGS_vmlinux = -N
>> 80 endif
>> 81
>> 82 CHECKFLAGS += -D__mc68000__
>> 83
>> 84
>> 85 ifdef CONFIG_KGDB
>> 86 # If configured for kgdb support, include debugging infos and keep the
>> 87 # frame pointer
>> 88 KBUILD_CFLAGS := $(subst -fomit-frame-pointer,,$(KBUILD_CFLAGS)) -g
61 endif 89 endif
62 90
63 ifeq ($(CONFIG_SHADOW_CALL_STACK),y) !! 91 #
64 KBUILD_LDFLAGS += --no-relax-gp !! 92 # Select the assembler head startup code. Order is important. The default
65 endif !! 93 # head code is first, processor specific selections can override it after.
>> 94 #
>> 95 head-y := arch/m68k/kernel/head.o
>> 96 head-$(CONFIG_SUN3) := arch/m68k/kernel/sun3-head.o
>> 97 head-$(CONFIG_M68000) := arch/m68k/68000/head.o
>> 98 head-$(CONFIG_COLDFIRE) := arch/m68k/coldfire/head.o
66 99
67 # ISA string setting !! 100 core-y += arch/m68k/kernel/ arch/m68k/mm/
68 riscv-march-$(CONFIG_ARCH_RV32I) := rv3 !! 101 libs-y += arch/m68k/lib/
69 riscv-march-$(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) := $(r <<
73 102
74 ifneq ($(CONFIG_RISCV_ISA_C),y) !! 103 core-$(CONFIG_Q40) += arch/m68k/q40/
75 KBUILD_RUSTFLAGS += -Ctarget-feature=- !! 104 core-$(CONFIG_AMIGA) += arch/m68k/amiga/
76 endif !! 105 core-$(CONFIG_ATARI) += arch/m68k/atari/
>> 106 core-$(CONFIG_MAC) += arch/m68k/mac/
>> 107 core-$(CONFIG_HP300) += arch/m68k/hp300/
>> 108 core-$(CONFIG_APOLLO) += arch/m68k/apollo/
>> 109 core-$(CONFIG_MVME147) += arch/m68k/mvme147/
>> 110 core-$(CONFIG_MVME16x) += arch/m68k/mvme16x/
>> 111 core-$(CONFIG_BVME6000) += arch/m68k/bvme6000/
>> 112 core-$(CONFIG_SUN3X) += arch/m68k/sun3x/ arch/m68k/sun3/
>> 113 core-$(CONFIG_SUN3) += arch/m68k/sun3/ arch/m68k/sun3/prom/
>> 114 core-$(CONFIG_NATFEAT) += arch/m68k/emu/
>> 115 core-$(CONFIG_M68040) += arch/m68k/fpsp040/
>> 116 core-$(CONFIG_M68060) += arch/m68k/ifpsp060/
>> 117 core-$(CONFIG_M68KFPU_EMU) += arch/m68k/math-emu/
>> 118 core-$(CONFIG_M68000) += arch/m68k/68000/
>> 119 core-$(CONFIG_COLDFIRE) += arch/m68k/coldfire/
77 120
78 ifdef CONFIG_TOOLCHAIN_NEEDS_OLD_ISA_SPEC <<
79 KBUILD_CFLAGS += -Wa,-misa-spec=2.2 <<
80 KBUILD_AFLAGS += -Wa,-misa-spec=2.2 <<
81 else <<
82 riscv-march-$(CONFIG_TOOLCHAIN_NEEDS_EXPLICIT_ <<
83 endif <<
84 121
85 # Remove F,D,V from isa string for all. Keep e !! 122 all: zImage
86 # matching non-v and non-multi-letter extensio <<
87 KBUILD_CFLAGS += -march=$(shell echo $(riscv-m <<
88 123
89 KBUILD_AFLAGS += -march=$(riscv-march-y) !! 124 lilo: vmlinux
>> 125 if [ -f $(INSTALL_PATH)/vmlinux ]; then mv -f $(INSTALL_PATH)/vmlinux $(INSTALL_PATH)/vmlinux.old; fi
>> 126 if [ -f $(INSTALL_PATH)/System.map ]; then mv -f $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi
>> 127 cat vmlinux > $(INSTALL_PATH)/vmlinux
>> 128 cp System.map $(INSTALL_PATH)/System.map
>> 129 if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi
90 130
91 # For C code built with floating-point support !! 131 zImage compressed: vmlinux.gz
92 CC_FLAGS_FPU := -march=$(shell echo $(riscv-m <<
93 132
94 KBUILD_CFLAGS += -mno-save-restore !! 133 vmlinux.gz: vmlinux
95 KBUILD_CFLAGS += -DCONFIG_PAGE_OFFSET=$(CONFIG <<
96 134
97 ifeq ($(CONFIG_CMODEL_MEDLOW),y) !! 135 ifndef CONFIG_KGDB
98 KBUILD_CFLAGS += -mcmodel=medlow !! 136 cp vmlinux vmlinux.tmp
99 endif !! 137 $(STRIP) vmlinux.tmp
100 ifeq ($(CONFIG_CMODEL_MEDANY),y) !! 138 gzip -9c vmlinux.tmp >vmlinux.gz
101 KBUILD_CFLAGS += -mcmodel=medany !! 139 rm vmlinux.tmp
>> 140 else
>> 141 gzip -9c vmlinux >vmlinux.gz
102 endif 142 endif
103 143
104 # Avoid generating .eh_frame sections. !! 144 bzImage: vmlinux.bz2
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 += $(call as-option,-Wa$( <<
116 145
117 # GCC versions that support the "-mstrict-alig !! 146 vmlinux.bz2: vmlinux
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 += $(call cc-option,-mstrict-ali <<
123 endif <<
124 147
125 ifeq ($(CONFIG_STACKPROTECTOR_PER_TASK),y) !! 148 ifndef CONFIG_KGDB
126 prepare: stack_protector_prepare !! 149 cp vmlinux vmlinux.tmp
127 stack_protector_prepare: prepare0 !! 150 $(STRIP) vmlinux.tmp
128 $(eval KBUILD_CFLAGS += -mstack-protec !! 151 bzip2 -1c vmlinux.tmp >vmlinux.bz2
129 -mstack-protec !! 152 rm vmlinux.tmp
130 -mstack-protec !! 153 else
131 awk '{if ($$2 == "TSK_ !! 154 bzip2 -1c vmlinux >vmlinux.bz2
132 includ <<
133 endif 155 endif
134 156
135 # arch specific predefines for sparse !! 157 archclean:
136 CHECKFLAGS += -D__riscv -D__riscv_xlen=$(BITS) !! 158 rm -f vmlinux.gz vmlinux.bz2
137 159
138 # Default target when executing plain make !! 160 archheaders:
139 boot := arch/riscv/boot !! 161 $(Q)$(MAKE) $(build)=arch/m68k/kernel/syscalls all
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 <<
153 162
154 boot := arc !! 163 install:
155 boot-image-y := Ima !! 164 sh $(srctree)/arch/m68k/install.sh $(KERNELRELEASE) vmlinux.gz System.map "$(INSTALL_PATH)"
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 <<
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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