>> 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 ($(CONFIG_RELOCATABLE),y) !! 18
11 LDFLAGS_vmlinux += -shared -Bsymbolic !! 19 ifdef cross_compiling
12 KBUILD_CFLAGS += -fPIE !! 20 ifeq ($(CROSS_COMPILE),)
13 endif !! 21 CROSS_COMPILE := $(call cc-cross-prefix, \
14 ifeq ($(CONFIG_DYNAMIC_FTRACE),y) !! 22 m68k-linux-gnu- m68k-linux- m68k-unknown-linux-gnu-)
15 LDFLAGS_vmlinux += --no-relax !! 23 endif
16 KBUILD_CPPFLAGS += -DCC_USING_PATCHABL <<
17 ifeq ($(CONFIG_RISCV_ISA_C),y) <<
18 CC_FLAGS_FTRACE := -fpatchable-functio <<
19 else <<
20 CC_FLAGS_FTRACE := -fpatchable-functio <<
21 endif <<
22 endif 24 endif
23 25
24 ifeq ($(CONFIG_CMODEL_MEDLOW),y) !! 26 #
25 KBUILD_CFLAGS_MODULE += -mcmodel=medany !! 27 # Enable processor type. Ordering of these is important - we want to
>> 28 # use the minimum processor type of the range we support. The logic
>> 29 # for 680x0 will only allow use of the -m68060 or -m68040 if no other
>> 30 # 680x0 type is specified - and no option is specified for 68030 or
>> 31 # 68020. The other m68k/ColdFire types always specify some type of
>> 32 # compiler cpu type flag.
>> 33 #
>> 34 ifndef CONFIG_M68040
>> 35 cpuflags-$(CONFIG_M68060) = -m68060
>> 36 endif
>> 37 ifndef CONFIG_M68060
>> 38 cpuflags-$(CONFIG_M68040) = -m68040
26 endif 39 endif
>> 40 cpuflags-$(CONFIG_M68030) =
>> 41 cpuflags-$(CONFIG_M68020) =
>> 42 cpuflags-$(CONFIG_M68000) = -m68000
>> 43 cpuflags-$(CONFIG_M5441x) = $(call cc-option,-mcpu=54455,-mcfv4e)
>> 44 cpuflags-$(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) = $(call cc-option,-mcpu=5206,-m5200)
27 59
28 export BITS !! 60 # Evaluate tune cc-option calls now
29 ifeq ($(CONFIG_ARCH_RV64I),y) !! 61 cpuflags-y := $(cpuflags-y)
30 BITS := 64 <<
31 UTS_MACHINE := riscv64 <<
32 62
33 KBUILD_CFLAGS += -mabi=lp64 !! 63 KBUILD_AFLAGS += $(cpuflags-y)
34 KBUILD_AFLAGS += -mabi=lp64 !! 64 KBUILD_CFLAGS += $(cpuflags-y)
35 65
36 KBUILD_LDFLAGS += -melf64lriscv !! 66 KBUILD_CFLAGS += -pipe -ffreestanding
37 67
38 KBUILD_RUSTFLAGS += -Ctarget-cpu=gener !! 68 ifdef CONFIG_MMU
39 -Cno-redzone !! 69 KBUILD_CFLAGS += -ffixed-a2
40 else 70 else
41 BITS := 32 !! 71 # we can use a m68k-linux-gcc toolchain with these in place
42 UTS_MACHINE := riscv32 !! 72 KBUILD_CPPFLAGS += -DUTS_SYSNAME=\"uClinux\"
43 !! 73 KBUILD_CPPFLAGS += -D__uClinux__
44 KBUILD_CFLAGS += -mabi=ilp32 <<
45 KBUILD_AFLAGS += -mabi=ilp32 <<
46 KBUILD_LDFLAGS += -melf32lriscv <<
47 endif 74 endif
48 75
49 ifndef CONFIG_RISCV_USE_LINKER_RELAXATION !! 76 KBUILD_LDFLAGS := -m m68kelf
50 KBUILD_CFLAGS += -mno-relax <<
51 KBUILD_AFLAGS += -mno-relax <<
52 ifndef CONFIG_AS_IS_LLVM <<
53 KBUILD_CFLAGS += -Wa,-mno-relax <<
54 KBUILD_AFLAGS += -Wa,-mno-relax <<
55 endif <<
56 # LLVM has an issue with target-features and L <<
57 # Ensure it is aware of linker relaxation with <<
58 # be incorrect: https://github.com/llvm/llvm-p <<
59 else ifeq ($(CONFIG_LTO_CLANG),y) <<
60 KBUILD_LDFLAGS += -mllvm -mattr=+c -ml <<
61 endif <<
62 77
63 ifeq ($(CONFIG_SHADOW_CALL_STACK),y) !! 78 ifdef CONFIG_SUN3
64 KBUILD_LDFLAGS += --no-relax-gp !! 79 LDFLAGS_vmlinux = -N
65 endif 80 endif
66 81
67 # ISA string setting !! 82 CHECKFLAGS += -D__mc68000__
68 riscv-march-$(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) := $(r <<
73 83
74 ifneq ($(CONFIG_RISCV_ISA_C),y) <<
75 KBUILD_RUSTFLAGS += -Ctarget-feature=- <<
76 endif <<
77 84
78 ifdef CONFIG_TOOLCHAIN_NEEDS_OLD_ISA_SPEC !! 85 ifdef CONFIG_KGDB
79 KBUILD_CFLAGS += -Wa,-misa-spec=2.2 !! 86 # If configured for kgdb support, include debugging infos and keep the
80 KBUILD_AFLAGS += -Wa,-misa-spec=2.2 !! 87 # frame pointer
81 else !! 88 KBUILD_CFLAGS := $(subst -fomit-frame-pointer,,$(KBUILD_CFLAGS)) -g
82 riscv-march-$(CONFIG_TOOLCHAIN_NEEDS_EXPLICIT_ <<
83 endif 89 endif
84 90
85 # Remove F,D,V from isa string for all. Keep e !! 91 #
86 # matching non-v and non-multi-letter extensio !! 92 # Select the assembler head startup code. Order is important. The default
87 KBUILD_CFLAGS += -march=$(shell echo $(riscv-m !! 93 # head code is first, processor specific selections can override it after.
>> 94 #
>> 95 head-y := arch/m68k/kernel/head.o
>> 96 head-$(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
88 99
89 KBUILD_AFLAGS += -march=$(riscv-march-y) !! 100 libs-y += arch/m68k/lib/
90 101
91 # For C code built with floating-point support <<
92 CC_FLAGS_FPU := -march=$(shell echo $(riscv-m <<
93 102
94 KBUILD_CFLAGS += -mno-save-restore !! 103 all: zImage
95 KBUILD_CFLAGS += -DCONFIG_PAGE_OFFSET=$(CONFIG <<
96 104
97 ifeq ($(CONFIG_CMODEL_MEDLOW),y) !! 105 lilo: vmlinux
98 KBUILD_CFLAGS += -mcmodel=medlow !! 106 if [ -f $(INSTALL_PATH)/vmlinux ]; then mv -f $(INSTALL_PATH)/vmlinux $(INSTALL_PATH)/vmlinux.old; fi
99 endif !! 107 if [ -f $(INSTALL_PATH)/System.map ]; then mv -f $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi
100 ifeq ($(CONFIG_CMODEL_MEDANY),y) !! 108 cat vmlinux > $(INSTALL_PATH)/vmlinux
101 KBUILD_CFLAGS += -mcmodel=medany !! 109 cp System.map $(INSTALL_PATH)/System.map
102 endif !! 110 if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi
103 111
104 # Avoid generating .eh_frame sections. !! 112 zImage compressed: vmlinux.gz
105 KBUILD_CFLAGS += -fno-asynchronous-unwind-tabl <<
106 113
107 # The RISC-V attributes frequently cause compa !! 114 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)- <<
113 115
114 KBUILD_CFLAGS_MODULE += $(call cc-option,-mno- !! 116 ifndef CONFIG_KGDB
115 KBUILD_AFLAGS_MODULE += $(call as-option,-Wa$( !! 117 cp vmlinux vmlinux.tmp
116 !! 118 $(STRIP) vmlinux.tmp
117 # GCC versions that support the "-mstrict-alig !! 119 $(KGZIP) -9c vmlinux.tmp >vmlinux.gz
118 # unaligned accesses. While unaligned accesse !! 120 rm vmlinux.tmp
119 # RISC-V ISA, they're emulated by machine mode !! 121 else
120 # architectures. It's faster to have GCC emit !! 122 $(KGZIP) -9c vmlinux >vmlinux.gz
121 ifneq ($(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCES <<
122 KBUILD_CFLAGS += $(call cc-option,-mstrict-ali <<
123 endif 123 endif
124 124
125 ifeq ($(CONFIG_STACKPROTECTOR_PER_TASK),y) !! 125 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 <<
134 126
135 # arch specific predefines for sparse !! 127 vmlinux.bz2: vmlinux
136 CHECKFLAGS += -D__riscv -D__riscv_xlen=$(BITS) <<
137 128
138 # Default target when executing plain make !! 129 ifndef CONFIG_KGDB
139 boot := arch/riscv/boot !! 130 cp vmlinux vmlinux.tmp
140 ifeq ($(CONFIG_XIP_KERNEL),y) !! 131 $(STRIP) vmlinux.tmp
141 KBUILD_IMAGE := $(boot)/xipImage !! 132 $(KBZIP2) -1c vmlinux.tmp >vmlinux.bz2
>> 133 rm vmlinux.tmp
142 else 134 else
143 ifeq ($(CONFIG_RISCV_M_MODE)$(CONFIG_SOC_CANAA !! 135 $(KBZIP2) -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 136 endif
153 137
154 boot := arc !! 138 CLEAN_FILES += vmlinux.gz vmlinux.bz2
155 boot-image-y := Ima !! 139
156 boot-image-$(CONFIG_KERNEL_BZIP2) := Ima !! 140 archheaders:
157 boot-image-$(CONFIG_KERNEL_GZIP) := Ima !! 141 $(Q)$(MAKE) $(build)=arch/m68k/kernel/syscalls all
158 boot-image-$(CONFIG_KERNEL_LZ4) := Ima !! 142
159 boot-image-$(CONFIG_KERNEL_LZMA) := Ima !! 143 install:
160 boot-image-$(CONFIG_KERNEL_LZO) := Ima !! 144 sh $(srctree)/arch/m68k/install.sh $(KERNELRELEASE) vmlinux.gz System.map "$(INSTALL_PATH)"
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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