>> 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 # test for cross compiling
10 ifeq ($(CONFIG_RELOCATABLE),y) !! 17 COMPILE_ARCH = $(shell uname -m)
11 LDFLAGS_vmlinux += -shared -Bsymbolic !! 18
12 KBUILD_CFLAGS += -fPIE !! 19 # override top level makefile
13 endif !! 20 AS += -m68020
14 ifeq ($(CONFIG_DYNAMIC_FTRACE),y) !! 21 LD += -m m68kelf
15 LDFLAGS_vmlinux += --no-relax !! 22 ifneq ($(COMPILE_ARCH),$(ARCH))
16 KBUILD_CPPFLAGS += -DCC_USING_PATCHABL !! 23 # prefix for cross-compiling binaries
17 ifeq ($(CONFIG_RISCV_ISA_C),y) !! 24 CROSS_COMPILE = m68k-linux-
18 CC_FLAGS_FTRACE := -fpatchable-functio <<
19 else <<
20 CC_FLAGS_FTRACE := -fpatchable-functio <<
21 endif 25 endif
>> 26
>> 27 ifndef CONFIG_SUN3
>> 28 LINKFLAGS = -T $(TOPDIR)/arch/m68k/vmlinux.lds
>> 29 else
>> 30 LINKFLAGS = -T $(TOPDIR)/arch/m68k/vmlinux-sun3.lds -N
22 endif 31 endif
23 32
24 ifeq ($(CONFIG_CMODEL_MEDLOW),y) !! 33 # without -fno-strength-reduce the 53c7xx.c driver fails ;-(
25 KBUILD_CFLAGS_MODULE += -mcmodel=medany !! 34 CFLAGS += -pipe -fno-strength-reduce -ffixed-a2
>> 35
>> 36 # enable processor switch if compiled only for a single cpu
>> 37 ifndef CONFIG_M68020
>> 38 ifndef CONFIG_M68030
>> 39
>> 40 ifndef CONFIG_M68060
>> 41 CFLAGS := $(CFLAGS) -m68040
26 endif 42 endif
27 43
28 export BITS !! 44 ifndef CONFIG_M68040
29 ifeq ($(CONFIG_ARCH_RV64I),y) !! 45 CFLAGS := $(CFLAGS) -m68060
30 BITS := 64 !! 46 endif
31 UTS_MACHINE := riscv64 <<
32 47
33 KBUILD_CFLAGS += -mabi=lp64 !! 48 endif
34 KBUILD_AFLAGS += -mabi=lp64 !! 49 endif
35 50
36 KBUILD_LDFLAGS += -melf64lriscv !! 51 ifdef CONFIG_KGDB
>> 52 # If configured for kgdb support, include debugging infos and keep the
>> 53 # frame pointer
>> 54 CFLAGS := $(subst -fomit-frame-pointer,,$(CFLAGS)) -g
>> 55 endif
37 56
38 KBUILD_RUSTFLAGS += -Ctarget-cpu=gener !! 57 ifndef CONFIG_SUN3
39 -Cno-redzone !! 58 HEAD := arch/m68k/kernel/head.o
40 else 59 else
41 BITS := 32 !! 60 HEAD := arch/m68k/kernel/sun3-head.o
42 UTS_MACHINE := riscv32 !! 61 endif
>> 62
>> 63 SUBDIRS += arch/m68k/kernel arch/m68k/mm arch/m68k/lib
>> 64 CORE_FILES := arch/m68k/kernel/kernel.o arch/m68k/mm/mm.o $(CORE_FILES)
>> 65 LIBS += arch/m68k/lib/lib.a
>> 66
>> 67 ifdef CONFIG_Q40
>> 68 CORE_FILES := $(CORE_FILES) arch/m68k/q40/q40.o
>> 69 SUBDIRS := $(SUBDIRS) arch/m68k/q40
>> 70 endif
43 71
44 KBUILD_CFLAGS += -mabi=ilp32 !! 72 ifdef CONFIG_AMIGA
45 KBUILD_AFLAGS += -mabi=ilp32 !! 73 CORE_FILES := $(CORE_FILES) arch/m68k/amiga/amiga.o
46 KBUILD_LDFLAGS += -melf32lriscv !! 74 SUBDIRS := $(SUBDIRS) arch/m68k/amiga
47 endif 75 endif
48 76
49 ifndef CONFIG_RISCV_USE_LINKER_RELAXATION !! 77 ifdef CONFIG_ATARI
50 KBUILD_CFLAGS += -mno-relax !! 78 CORE_FILES := $(CORE_FILES) arch/m68k/atari/atari.o
51 KBUILD_AFLAGS += -mno-relax !! 79 SUBDIRS := $(SUBDIRS) arch/m68k/atari
52 ifndef CONFIG_AS_IS_LLVM <<
53 KBUILD_CFLAGS += -Wa,-mno-relax <<
54 KBUILD_AFLAGS += -Wa,-mno-relax <<
55 endif 80 endif
56 # LLVM has an issue with target-features and L !! 81
57 # Ensure it is aware of linker relaxation with !! 82 ifdef CONFIG_MAC
58 # be incorrect: https://github.com/llvm/llvm-p !! 83 CORE_FILES := $(CORE_FILES) arch/m68k/mac/mac.o
59 else ifeq ($(CONFIG_LTO_CLANG),y) !! 84 SUBDIRS := $(SUBDIRS) arch/m68k/mac
60 KBUILD_LDFLAGS += -mllvm -mattr=+c -ml <<
61 endif 85 endif
62 86
63 ifeq ($(CONFIG_SHADOW_CALL_STACK),y) !! 87 ifdef CONFIG_HP300
64 KBUILD_LDFLAGS += --no-relax-gp !! 88 CORE_FILES := $(CORE_FILES) arch/m68k/hp300/hp300.o
>> 89 SUBDIRS := $(SUBDIRS) arch/m68k/hp300
65 endif 90 endif
66 91
67 # ISA string setting !! 92 ifdef CONFIG_APOLLO
68 riscv-march-$(CONFIG_ARCH_RV32I) := rv3 !! 93 CORE_FILES := $(CORE_FILES) arch/m68k/apollo/apollo.o
69 riscv-march-$(CONFIG_ARCH_RV64I) := rv6 !! 94 SUBDIRS := $(SUBDIRS) arch/m68k/apollo
70 riscv-march-$(CONFIG_FPU) := $(r !! 95 endif
71 riscv-march-$(CONFIG_RISCV_ISA_C) := $(r <<
72 riscv-march-$(CONFIG_RISCV_ISA_V) := $(r <<
73 96
74 ifneq ($(CONFIG_RISCV_ISA_C),y) !! 97 ifdef CONFIG_MVME147
75 KBUILD_RUSTFLAGS += -Ctarget-feature=- !! 98 CORE_FILES := $(CORE_FILES) arch/m68k/mvme147/mvme147.o
>> 99 SUBDIRS := $(SUBDIRS) arch/m68k/mvme147
76 endif 100 endif
77 101
78 ifdef CONFIG_TOOLCHAIN_NEEDS_OLD_ISA_SPEC !! 102 ifdef CONFIG_MVME16x
79 KBUILD_CFLAGS += -Wa,-misa-spec=2.2 !! 103 CORE_FILES := $(CORE_FILES) arch/m68k/mvme16x/mvme16x.o
80 KBUILD_AFLAGS += -Wa,-misa-spec=2.2 !! 104 SUBDIRS := $(SUBDIRS) arch/m68k/mvme16x
81 else <<
82 riscv-march-$(CONFIG_TOOLCHAIN_NEEDS_EXPLICIT_ <<
83 endif 105 endif
84 106
85 # Remove F,D,V from isa string for all. Keep e !! 107 ifdef CONFIG_BVME6000
86 # matching non-v and non-multi-letter extensio !! 108 CORE_FILES := $(CORE_FILES) arch/m68k/bvme6000/bvme6000.o
87 KBUILD_CFLAGS += -march=$(shell echo $(riscv-m !! 109 SUBDIRS := $(SUBDIRS) arch/m68k/bvme6000
>> 110 endif
88 111
89 KBUILD_AFLAGS += -march=$(riscv-march-y) !! 112 ifdef CONFIG_SUN3X
>> 113 CORE_FILES := $(CORE_FILES) arch/m68k/sun3x/sun3x.o arch/m68k/sun3/sun3.o
>> 114 SUBDIRS := $(SUBDIRS) arch/m68k/sun3x arch/m68k/sun3
>> 115 endif
90 116
91 # For C code built with floating-point support !! 117 ifdef CONFIG_SUN3
92 CC_FLAGS_FPU := -march=$(shell echo $(riscv-m !! 118 CORE_FILES := $(CORE_FILES) arch/m68k/sun3/sun3.o arch/m68k/sun3/prom/promlib.a
>> 119 SUBDIRS := $(SUBDIRS) arch/m68k/sun3 arch/m68k/sun3/prom
>> 120 endif
93 121
94 KBUILD_CFLAGS += -mno-save-restore !! 122 ifdef CONFIG_M68040
95 KBUILD_CFLAGS += -DCONFIG_PAGE_OFFSET=$(CONFIG !! 123 CORE_FILES := $(CORE_FILES) arch/m68k/fpsp040/fpsp.o
>> 124 SUBDIRS := $(SUBDIRS) arch/m68k/fpsp040
>> 125 endif
96 126
97 ifeq ($(CONFIG_CMODEL_MEDLOW),y) !! 127 ifdef CONFIG_M68060
98 KBUILD_CFLAGS += -mcmodel=medlow !! 128 CORE_FILES := $(CORE_FILES) arch/m68k/ifpsp060/ifpsp.o
>> 129 SUBDIRS := $(SUBDIRS) arch/m68k/ifpsp060
99 endif 130 endif
100 ifeq ($(CONFIG_CMODEL_MEDANY),y) !! 131
101 KBUILD_CFLAGS += -mcmodel=medany !! 132 ifdef CONFIG_M68KFPU_EMU
>> 133 CORE_FILES := $(CORE_FILES) arch/m68k/math-emu/mathemu.o
>> 134 SUBDIRS := $(SUBDIRS) arch/m68k/math-emu
102 endif 135 endif
103 136
104 # Avoid generating .eh_frame sections. !! 137 lilo: vmlinux
105 KBUILD_CFLAGS += -fno-asynchronous-unwind-tabl !! 138 if [ -f $(INSTALL_PATH)/vmlinux ]; then mv -f $(INSTALL_PATH)/vmlinux $(INSTALL_PATH)/vmlinux.old; fi
>> 139 if [ -f $(INSTALL_PATH)/System.map ]; then mv -f $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi
>> 140 cat vmlinux > $(INSTALL_PATH)/vmlinux
>> 141 cp System.map $(INSTALL_PATH)/System.map
>> 142 if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi
106 143
107 # The RISC-V attributes frequently cause compa !! 144 zImage compressed: vmlinux.gz
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)- <<
113 145
114 KBUILD_CFLAGS_MODULE += $(call cc-option,-mno- !! 146 vmlinux.gz: vmlinux
115 KBUILD_AFLAGS_MODULE += $(call as-option,-Wa$( <<
116 147
117 # GCC versions that support the "-mstrict-alig !! 148 ifndef CONFIG_KGDB
118 # unaligned accesses. While unaligned accesse !! 149 cp vmlinux vmlinux.tmp
119 # RISC-V ISA, they're emulated by machine mode !! 150 $(STRIP) vmlinux.tmp
120 # architectures. It's faster to have GCC emit !! 151 gzip -9c vmlinux.tmp >vmlinux.gz
121 ifneq ($(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCES !! 152 rm vmlinux.tmp
122 KBUILD_CFLAGS += $(call cc-option,-mstrict-ali !! 153 else
>> 154 gzip -9c vmlinux >vmlinux.gz
123 endif 155 endif
124 156
125 ifeq ($(CONFIG_STACKPROTECTOR_PER_TASK),y) !! 157 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 <<
134 158
135 # arch specific predefines for sparse !! 159 vmlinux.bz2: vmlinux
136 CHECKFLAGS += -D__riscv -D__riscv_xlen=$(BITS) <<
137 160
138 # Default target when executing plain make !! 161 ifndef CONFIG_KGDB
139 boot := arch/riscv/boot !! 162 cp vmlinux vmlinux.tmp
140 ifeq ($(CONFIG_XIP_KERNEL),y) !! 163 $(STRIP) vmlinux.tmp
141 KBUILD_IMAGE := $(boot)/xipImage !! 164 bzip2 -1c vmlinux.tmp >vmlinux.bz2
142 else !! 165 rm vmlinux.tmp
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 166 else
149 KBUILD_IMAGE := $(boot)/vmlinuz.efi !! 167 bzip2 -1c vmlinux >vmlinux.bz2
150 endif <<
151 endif <<
152 endif 168 endif
153 169
154 boot := arc !! 170 archclean:
155 boot-image-y := Ima !! 171 rm -f vmlinux.gz vmlinux.bz2
156 boot-image-$(CONFIG_KERNEL_BZIP2) := Ima !! 172 rm -f arch/m68k/kernel/m68k_defs.h arch/m68k/kernel/m68k_defs.d
157 boot-image-$(CONFIG_KERNEL_GZIP) := Ima !! 173
158 boot-image-$(CONFIG_KERNEL_LZ4) := Ima !! 174 archmrproper:
159 boot-image-$(CONFIG_KERNEL_LZMA) := Ima !! 175
160 boot-image-$(CONFIG_KERNEL_LZO) := Ima !! 176 archdep:
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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