>> 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 #
8 15
9 LDFLAGS_vmlinux := -z norelro !! 16 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 ($(CONFIG_RISCV_ISA_C),y) <<
18 CC_FLAGS_FTRACE := -fpatchable-functio <<
19 else <<
20 CC_FLAGS_FTRACE := -fpatchable-functio <<
21 endif <<
22 endif <<
23 17
24 ifeq ($(CONFIG_CMODEL_MEDLOW),y) !! 18 # override top level makefile
25 KBUILD_CFLAGS_MODULE += -mcmodel=medany !! 19 AS += -m68020
>> 20 LDFLAGS := -m m68kelf
>> 21 LDFLAGS_MODULE += -T $(srctree)/arch/m68k/kernel/module.lds
>> 22 ifneq ($(SUBARCH),$(ARCH))
>> 23 ifeq ($(CROSS_COMPILE),)
>> 24 CROSS_COMPILE := $(call cc-cross-prefix, \
>> 25 m68k-linux-gnu- m68k-linux- m68k-unknown-linux-gnu-)
>> 26 endif
26 endif 27 endif
27 28
28 export BITS !! 29 ifdef CONFIG_SUN3
29 ifeq ($(CONFIG_ARCH_RV64I),y) !! 30 LDFLAGS_vmlinux = -N
30 BITS := 64 !! 31 endif
31 UTS_MACHINE := riscv64 <<
32 32
33 KBUILD_CFLAGS += -mabi=lp64 !! 33 CHECKFLAGS += -D__mc68000__
34 KBUILD_AFLAGS += -mabi=lp64 <<
35 34
36 KBUILD_LDFLAGS += -melf64lriscv !! 35 # without -fno-strength-reduce the 53c7xx.c driver fails ;-(
>> 36 KBUILD_CFLAGS += -pipe -fno-strength-reduce -ffixed-a2
37 37
38 KBUILD_RUSTFLAGS += -Ctarget-cpu=gener !! 38 # enable processor switch if compiled only for a single cpu
39 -Cno-redzone !! 39 ifndef CONFIG_M68020
40 else !! 40 ifndef CONFIG_M68030
41 BITS := 32 <<
42 UTS_MACHINE := riscv32 <<
43 41
44 KBUILD_CFLAGS += -mabi=ilp32 !! 42 ifndef CONFIG_M68060
45 KBUILD_AFLAGS += -mabi=ilp32 !! 43 KBUILD_CFLAGS += -m68040
46 KBUILD_LDFLAGS += -melf32lriscv <<
47 endif 44 endif
48 45
49 ifndef CONFIG_RISCV_USE_LINKER_RELAXATION !! 46 ifndef CONFIG_M68040
50 KBUILD_CFLAGS += -mno-relax !! 47 KBUILD_CFLAGS += -m68060
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 <<
56 # LLVM has an issue with target-features and L <<
57 # Ensure it is aware of linker relaxation with <<
58 # be incorrect: https://github.com/llvm/llvm-p <<
59 else ifeq ($(CONFIG_LTO_CLANG),y) <<
60 KBUILD_LDFLAGS += -mllvm -mattr=+c -ml <<
61 endif 48 endif
62 49
63 ifeq ($(CONFIG_SHADOW_CALL_STACK),y) !! 50 endif
64 KBUILD_LDFLAGS += --no-relax-gp <<
65 endif 51 endif
66 52
67 # ISA string setting !! 53 ifdef CONFIG_KGDB
68 riscv-march-$(CONFIG_ARCH_RV32I) := rv3 !! 54 # If configured for kgdb support, include debugging infos and keep the
69 riscv-march-$(CONFIG_ARCH_RV64I) := rv6 !! 55 # frame pointer
70 riscv-march-$(CONFIG_FPU) := $(r !! 56 KBUILD_CFLAGS := $(subst -fomit-frame-pointer,,$(KBUILD_CFLAGS)) -g
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 57 endif
77 58
78 ifdef CONFIG_TOOLCHAIN_NEEDS_OLD_ISA_SPEC !! 59 ifndef CONFIG_SUN3
79 KBUILD_CFLAGS += -Wa,-misa-spec=2.2 !! 60 head-y := arch/m68k/kernel/head.o
80 KBUILD_AFLAGS += -Wa,-misa-spec=2.2 <<
81 else 61 else
82 riscv-march-$(CONFIG_TOOLCHAIN_NEEDS_EXPLICIT_ !! 62 head-y := arch/m68k/kernel/sun3-head.o
83 endif 63 endif
84 64
85 # Remove F,D,V from isa string for all. Keep e !! 65 core-y += arch/m68k/kernel/ arch/m68k/mm/
86 # matching non-v and non-multi-letter extensio !! 66 libs-y += arch/m68k/lib/
87 KBUILD_CFLAGS += -march=$(shell echo $(riscv-m <<
88 67
89 KBUILD_AFLAGS += -march=$(riscv-march-y) !! 68 core-$(CONFIG_Q40) += arch/m68k/q40/
>> 69 core-$(CONFIG_AMIGA) += arch/m68k/amiga/
>> 70 core-$(CONFIG_ATARI) += arch/m68k/atari/
>> 71 core-$(CONFIG_MAC) += arch/m68k/mac/
>> 72 core-$(CONFIG_HP300) += arch/m68k/hp300/
>> 73 core-$(CONFIG_APOLLO) += arch/m68k/apollo/
>> 74 core-$(CONFIG_MVME147) += arch/m68k/mvme147/
>> 75 core-$(CONFIG_MVME16x) += arch/m68k/mvme16x/
>> 76 core-$(CONFIG_BVME6000) += arch/m68k/bvme6000/
>> 77 core-$(CONFIG_SUN3X) += arch/m68k/sun3x/ arch/m68k/sun3/
>> 78 core-$(CONFIG_SUN3) += arch/m68k/sun3/ arch/m68k/sun3/prom/
>> 79 core-$(CONFIG_M68040) += arch/m68k/fpsp040/
>> 80 core-$(CONFIG_M68060) += arch/m68k/ifpsp060/
>> 81 core-$(CONFIG_M68KFPU_EMU) += arch/m68k/math-emu/
90 82
91 # For C code built with floating-point support !! 83 all: zImage
92 CC_FLAGS_FPU := -march=$(shell echo $(riscv-m <<
93 84
94 KBUILD_CFLAGS += -mno-save-restore !! 85 lilo: vmlinux
95 KBUILD_CFLAGS += -DCONFIG_PAGE_OFFSET=$(CONFIG !! 86 if [ -f $(INSTALL_PATH)/vmlinux ]; then mv -f $(INSTALL_PATH)/vmlinux $(INSTALL_PATH)/vmlinux.old; fi
>> 87 if [ -f $(INSTALL_PATH)/System.map ]; then mv -f $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi
>> 88 cat vmlinux > $(INSTALL_PATH)/vmlinux
>> 89 cp System.map $(INSTALL_PATH)/System.map
>> 90 if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi
96 91
97 ifeq ($(CONFIG_CMODEL_MEDLOW),y) !! 92 zImage compressed: vmlinux.gz
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 93
107 # The RISC-V attributes frequently cause compa !! 94 vmlinux.gz: vmlinux
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 95
114 KBUILD_CFLAGS_MODULE += $(call cc-option,-mno- !! 96 ifndef CONFIG_KGDB
115 KBUILD_AFLAGS_MODULE += $(call as-option,-Wa$( !! 97 cp vmlinux vmlinux.tmp
116 !! 98 $(STRIP) vmlinux.tmp
117 # GCC versions that support the "-mstrict-alig !! 99 gzip -9c vmlinux.tmp >vmlinux.gz
118 # unaligned accesses. While unaligned accesse !! 100 rm vmlinux.tmp
119 # RISC-V ISA, they're emulated by machine mode !! 101 else
120 # architectures. It's faster to have GCC emit !! 102 gzip -9c vmlinux >vmlinux.gz
121 ifneq ($(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCES <<
122 KBUILD_CFLAGS += $(call cc-option,-mstrict-ali <<
123 endif 103 endif
124 104
125 ifeq ($(CONFIG_STACKPROTECTOR_PER_TASK),y) !! 105 bzImage: vmlinux.bz2
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 <<
134 106
135 # arch specific predefines for sparse !! 107 vmlinux.bz2: vmlinux
136 CHECKFLAGS += -D__riscv -D__riscv_xlen=$(BITS) <<
137 108
138 # Default target when executing plain make !! 109 ifndef CONFIG_KGDB
139 boot := arch/riscv/boot !! 110 cp vmlinux vmlinux.tmp
140 ifeq ($(CONFIG_XIP_KERNEL),y) !! 111 $(STRIP) vmlinux.tmp
141 KBUILD_IMAGE := $(boot)/xipImage !! 112 bzip2 -1c vmlinux.tmp >vmlinux.bz2
>> 113 rm vmlinux.tmp
142 else 114 else
143 ifeq ($(CONFIG_RISCV_M_MODE)$(CONFIG_SOC_CANAA !! 115 bzip2 -1c vmlinux >vmlinux.bz2
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 116 endif
153 117
154 boot := arc !! 118 archclean:
155 boot-image-y := Ima !! 119 rm -f vmlinux.gz vmlinux.bz2
156 boot-image-$(CONFIG_KERNEL_BZIP2) := Ima !! 120
157 boot-image-$(CONFIG_KERNEL_GZIP) := Ima !! 121 install:
158 boot-image-$(CONFIG_KERNEL_LZ4) := Ima !! 122 sh $(srctree)/arch/m68k/install.sh $(KERNELRELEASE) vmlinux.gz System.map "$(INSTALL_PATH)"
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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