1 # SPDX-License-Identifier: GPL-2.0 <<
2 # 1 #
3 # Author: Huacai Chen <chenhuacai@loongson.cn> !! 2 # This file is subject to the terms and conditions of the GNU General Public
4 # Copyright (C) 2020-2022 Loongson Technology !! 3 # License. See the file "COPYING" in the main directory of this archive
>> 4 # for more details.
>> 5 #
>> 6 # Copyright (C) 1994, 95, 96, 2003 by Ralf Baechle
>> 7 # DECStation modifications by Paul M. Antoine, 1996
>> 8 # Copyright (C) 2002 Maciej W. Rozycki
>> 9 #
>> 10 # This file is included by the global makefile so that you can add your own
>> 11 # architecture-specific flags and dependencies. Remember to do have actions
>> 12 # for "archclean" cleaning up for this architecture.
>> 13 #
>> 14
>> 15 #
>> 16 # Select the object file format to substitute into the linker script.
>> 17 #
>> 18 ifdef CONFIG_CPU_LITTLE_ENDIAN
>> 19 32bit-tool-prefix = mips64el-linux-
>> 20 64bit-tool-prefix = mips64el-linux-
>> 21 32bit-bfd = elf32-tradlittlemips
>> 22 64bit-bfd = elf64-tradlittlemips
>> 23 else
>> 24 32bit-tool-prefix = mips64-linux-
>> 25 64bit-tool-prefix = mips64-linux-
>> 26 32bit-bfd = elf32-tradbigmips
>> 27 64bit-bfd = elf64-tradbigmips
>> 28 endif
>> 29
>> 30 ifdef CONFIG_MIPS32
>> 31 tool-prefix = $(32bit-tool-prefix)
>> 32 endif
>> 33 ifdef CONFIG_MIPS64
>> 34 tool-prefix = $(64bit-tool-prefix)
>> 35 endif
5 36
6 boot := arch/loongarch/boot !! 37 ifdef CONFIG_CROSSCOMPILE
>> 38 CROSS_COMPILE := $(tool-prefix)
>> 39 endif
7 40
8 KBUILD_DEFCONFIG := loongson3_defconfig !! 41 #
9 KBUILD_DTBS := dtbs !! 42 # GCC uses -G 0 -mabicalls -fpic as default. We don't want PIC in the kernel
>> 43 # code since it only slows down the whole thing. At some point we might make
>> 44 # use of global pointer optimizations but their use of $28 conflicts with
>> 45 # the current pointer optimization.
>> 46 #
>> 47 # The DECStation requires an ECOFF kernel for remote booting, other MIPS
>> 48 # machines may also. Since BFD is incredibly buggy with respect to
>> 49 # crossformat linking we rely on the elf2ecoff tool for format conversion.
>> 50 #
>> 51 cflags-y := -I $(TOPDIR)/include/asm/gcc
>> 52 cflags-y += -G 0 -mno-abicalls -fno-pic -pipe
>> 53 cflags-$(CONFIG_MIPS32) += $(call check_gcc, -mabi=32,)
>> 54 cflags-$(CONFIG_MIPS64) += -mabi=64
>> 55 LDFLAGS_vmlinux += -G 0 -static # -N
>> 56 MODFLAGS += -mlong-calls
10 57
11 image-name-y := vmlinux !! 58 cflags-$(CONFIG_KGDB) += -g
12 image-name-$(CONFIG_EFI_ZBOOT) := vmlinuz !! 59 cflags-$(CONFIG_SB1XXX_CORELIS) += -mno-sched-prolog -fno-omit-frame-pointer
13 60
14 ifndef CONFIG_EFI_STUB !! 61 check_warning = $(shell if $(CC) $(1) -c -o /dev/null -xc /dev/null > /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi)
15 KBUILD_IMAGE := $(boot)/vmlinux.elf !! 62
16 else !! 63 #
17 KBUILD_IMAGE := $(boot)/$(image-name-y).efi !! 64 # CPU-dependent compiler/assembler options for optimization.
>> 65 # This is done in several steps:
>> 66 #
>> 67 # - cflags-y contains the options which select for which processor to
>> 68 # optimize the code for. The options should not contain any
>> 69 # options that change the ISA level but only compiler flags to
>> 70 # tune performance of the generated code.
>> 71 # - 32bit-isa-y contains the options which select the ISA for 32-bit kernels.
>> 72 # A kernel built those options will only work on hardware which
>> 73 # actually supports this ISA.
>> 74 # - 64bit-isa-y contains the options which select the ISA for 64-bit kernels.
>> 75 # A kernel built those options will only work on hardware which
>> 76 # actually supports this ISA.
>> 77 #
>> 78 cflags-$(CONFIG_CPU_R3000) += -mcpu=r3000
>> 79 32bit-isa-$(CONFIG_CPU_R3000) += -mips1
>> 80 64bit-isa-$(CONFIG_CPU_R3000) += -mboom
>> 81 cflags-$(CONFIG_CPU_TX39XX) += -mcpu=r3000
>> 82 32bit-isa-$(CONFIG_CPU_TX39XX) += -mips1
>> 83 64bit-isa-$(CONFIG_CPU_TX39XX) += -mboom
>> 84 cflags-$(CONFIG_CPU_R6000) += -mcpu=r6000
>> 85 32bit-isa-$(CONFIG_CPU_R6000) += -mips2 -Wa,--trap
>> 86 64bit-isa-$(CONFIG_CPU_R6000) += -mboom -Wa,--trap
>> 87 cflags-$(CONFIG_CPU_R4300) += -mcpu=r4300
>> 88 32bit-isa-$(CONFIG_CPU_R4300) += -mips2 -Wa,--trap
>> 89 64bit-isa-$(CONFIG_CPU_R4300) += -mips3 -Wa,--trap
>> 90 cflags-$(CONFIG_CPU_VR41XX) += -mcpu=r4600
>> 91 32bit-isa-$(CONFIG_CPU_VR41XX) += -mips2 -Wa,--trap
>> 92 64bit-isa-$(CONFIG_CPU_VR41XX) += -mips3 -Wa,--trap
>> 93 cflags-$(CONFIG_CPU_R4X00) += -mcpu=r4600
>> 94 32bit-isa-$(CONFIG_CPU_R4X00) += -mips2 -Wa,--trap
>> 95 64bit-isa-$(CONFIG_CPU_R4X00) += -mips3 -Wa,--trap
>> 96 cflags-$(CONFIG_CPU_MIPS32) += $(call check_gcc, -mtune=mips32, -mcpu=r4600)
>> 97 32bit-isa-$(CONFIG_CPU_MIPS32) += $(call check_gcc, -mips32 -mabi=32, -mips2) -Wa,--trap
>> 98 64bit-isa-$(CONFIG_CPU_MIPS32) += -mboom
>> 99 cflags-$(CONFIG_CPU_MIPS64) +=
>> 100 32bit-isa-$(CONFIG_CPU_MIPS64) += $(call check_gcc, -mips32, -mips2) -Wa,--trap
>> 101 64bit-isa-$(CONFIG_CPU_MIPS64) += $(call check_gcc, -mips64, -mips4) -Wa,--trap
>> 102 cflags-$(CONFIG_CPU_R5000) += -mcpu=r8000
>> 103 32bit-isa-$(CONFIG_CPU_R5000) += -mips2 -Wa,--trap
>> 104 64bit-isa-$(CONFIG_CPU_R5000) += -mips4 -Wa,--trap
>> 105 cflags-$(CONFIG_CPU_R5432) += -mcpu=r5000
>> 106 32bit-isa-$(CONFIG_CPU_R5432) += -mips1 -Wa,--trap
>> 107 64bit-isa-$(CONFIG_CPU_R5432) += -mips3 -Wa,--trap
>> 108 cflags-$(CONFIG_CPU_NEVADA) += -mcpu=r8000 -mmad
>> 109 32bit-isa-$(CONFIG_CPU_NEVADA) += -mips2 -Wa,--trap
>> 110 64bit-isa-$(CONFIG_CPU_NEVADA) += -mips3 -Wa,--trap
>> 111 cflags-$(CONFIG_CPU_RM7000) += $(call check_gcc, -mcpu=r7000, -mcpu=r5000)
>> 112 32bit-isa-$(CONFIG_CPU_RM7000) += -mips2 -Wa,--trap
>> 113 64bit-isa-$(CONFIG_CPU_RM7000) += -mips4 -Wa,--trap
>> 114 cflags-$(CONFIG_CPU_SB1) += $(call check_gcc, -mcpu=sb1, -mcpu=r8000)
>> 115 32bit-isa-$(CONFIG_CPU_SB1) += $(call check_gcc, -mips32, -mips2) -Wa,--trap
>> 116 64bit-isa-$(CONFIG_CPU_SB1) += $(call check_gcc, -mips64, -mips4) -Wa,--trap
>> 117 cflags-$(CONFIG_CPU_R8000) += -mcpu=r8000
>> 118 32bit-isa-$(CONFIG_CPU_R8000) += -mips2 -Wa,--trap
>> 119 64bit-isa-$(CONFIG_CPU_R8000) += -mips4 -Wa,--trap
>> 120 cflags-$(CONFIG_CPU_R10000) += -mcpu=r8000
>> 121 32bit-isa-$(CONFIG_CPU_R10000) += -mips2 -Wa,--trap
>> 122 64bit-isa-$(CONFIG_CPU_R10000) += -mips4 -Wa,--trap
>> 123
>> 124 ifdef CONFIG_CPU_SB1
>> 125 ifdef CONFIG_SB1_PASS_1_WORKAROUNDS
>> 126 MODFLAGS += -msb1-pass1-workarounds
>> 127 endif
18 endif 128 endif
19 129
20 # 130 #
21 # Select the object file format to substitute !! 131 # ramdisk/initrd support
>> 132 # You need a compressed ramdisk image, named ramdisk.gz in
>> 133 # arch/mips/ramdisk
22 # 134 #
23 64bit-tool-archpref = loongarch64 !! 135 ifdef CONFIG_EMBEDDED_RAMDISK
24 32bit-bfd = elf32-loongarch !! 136 CORE_FILES += arch/mips/ramdisk/ramdisk.o
25 64bit-bfd = elf64-loongarch !! 137 SUBDIRS += arch/mips/ramdisk
26 32bit-emul = elf32loongarch <<
27 64bit-emul = elf64loongarch <<
28 <<
29 CC_FLAGS_FPU := -mfpu=64 <<
30 CC_FLAGS_NO_FPU := -msoft-float <<
31 <<
32 ifdef CONFIG_UNWINDER_ORC <<
33 orc_hash_h := arch/$(SRCARCH)/include/generate <<
34 orc_hash_sh := $(srctree)/scripts/orc_hash.sh <<
35 targets += $(orc_hash_h) <<
36 quiet_cmd_orc_hash = GEN $@ <<
37 cmd_orc_hash = mkdir -p $(dir $@); \ <<
38 $(CONFIG_SHELL) $(orc_has <<
39 $(orc_hash_h): $(srctree)/arch/loongarch/inclu <<
40 $(call if_changed,orc_hash) <<
41 archprepare: $(orc_hash_h) <<
42 endif <<
43 <<
44 ifdef CONFIG_DYNAMIC_FTRACE <<
45 KBUILD_CPPFLAGS += -DCC_USING_PATCHABLE_FUNCTI <<
46 CC_FLAGS_FTRACE := -fpatchable-function-entry= <<
47 endif <<
48 <<
49 ifdef CONFIG_64BIT <<
50 tool-archpref = $(64bit-tool-archpre <<
51 UTS_MACHINE := loongarch64 <<
52 endif <<
53 <<
54 ifneq ($(SUBARCH),$(ARCH)) <<
55 ifeq ($(CROSS_COMPILE),) <<
56 CROSS_COMPILE := $(call cc-cross-prefix, $ <<
57 endif <<
58 endif <<
59 <<
60 ifdef CONFIG_64BIT <<
61 ld-emul = $(64bit-emul) <<
62 cflags-y += -mabi=lp64s <<
63 endif <<
64 <<
65 cflags-y += -pipe $(CC_ <<
66 LDFLAGS_vmlinux += -static -n <<
67 <<
68 # When the assembler supports explicit relocat <<
69 # GCC may have -mexplicit-relocs off by defaul <<
70 # assembler, so we force it via an option. <<
71 # <<
72 # When the assembler does not supports explici <<
73 # it. Disable it if the compiler supports it. <<
74 # <<
75 # The combination of a "new" assembler and "ol <<
76 # the rarity of this combo and the extra compl <<
77 # Either upgrade the compiler or downgrade the <<
78 # out if it is the case (by probing for the mo <<
79 # compilers in this case would have support). <<
80 # <<
81 # Also, -mdirect-extern-access is useful in ca <<
82 # relocs, for avoiding unnecessary GOT accesse <<
83 # support though. <<
84 ifdef CONFIG_AS_HAS_EXPLICIT_RELOCS <<
85 cflags-y += $(call cc-o <<
86 KBUILD_CFLAGS_KERNEL += $(call cc-o <<
87 KBUILD_CFLAGS_KERNEL += $(call cc-o <<
88 KBUILD_AFLAGS_MODULE += $(call cc-o <<
89 KBUILD_CFLAGS_MODULE += $(call cc-o <<
90 else <<
91 cflags-y += $(call cc-o <<
92 KBUILD_AFLAGS_KERNEL += -Wa,-mla-gl <<
93 KBUILD_CFLAGS_KERNEL += -Wa,-mla-gl <<
94 KBUILD_AFLAGS_MODULE += -Wa,-mla-gl <<
95 KBUILD_CFLAGS_MODULE += -fplt -Wa,- <<
96 endif 138 endif
97 139
98 KBUILD_AFLAGS += $(call cc-o !! 140 #
99 KBUILD_CFLAGS += $(call cc-o !! 141 # Firmware support
100 KBUILD_AFLAGS += $(call cc-o !! 142 #
101 KBUILD_CFLAGS += $(call cc-o !! 143 libs-$(CONFIG_ARC) += arch/mips/arc/
>> 144 libs-$(CONFIG_SIBYTE_CFE) += arch/mips/sibyte/cfe/
102 145
103 ifdef CONFIG_OBJTOOL !! 146 #
104 KBUILD_CFLAGS += -fno-jump-t !! 147 # Board-dependent options and extra files
105 endif !! 148 #
>> 149
>> 150 #
>> 151 # Acer PICA 61, Mips Magnum 4000 and Olivetti M700.
>> 152 #
>> 153 core-$(CONFIG_MIPS_JAZZ) += arch/mips/jazz/
>> 154 load-$(CONFIG_MIPS_JAZZ) += 0x80080000
>> 155
>> 156
>> 157 #
>> 158 # Au1500 (Alchemy Semi PB1500) eval board
>> 159 #
>> 160 core-$(CONFIG_MIPS_PB1500) += arch/mips/au1000/common/
>> 161 libs-$(CONFIG_MIPS_PB1500) += arch/mips/au1000/pb1500/
>> 162 load-$(CONFIG_MIPS_PB1500) += 0x80100000
>> 163
>> 164 #
>> 165 # Baget/MIPS
>> 166 #
>> 167 libs-$(CONFIG_BAGET_MIPS) += arch/mips/baget/ arch/mips/baget/prom/
>> 168 load-$(CONFIG_BAGET_MIPS) += 0x80001000
>> 169
>> 170 #
>> 171 # Cobalt Server
>> 172 #
>> 173 core-$(CONFIG_MIPS_COBALT) += arch/mips/cobalt/
>> 174 load-$(CONFIG_MIPS_COBALT) += 0x80080000
>> 175
>> 176 #
>> 177 # DECstation family
>> 178 #
>> 179 core-$(CONFIG_DECSTATION) += arch/mips/dec/
>> 180 libs-$(CONFIG_DECSTATION) += arch/mips/dec/prom/
>> 181 load-$(CONFIG_DECSTATION) += 0x80040000
>> 182 CLEAN_FILES += drivers/tc/lk201-map.c
>> 183
>> 184 #
>> 185 # Galileo EV64120 Board
>> 186 #
>> 187 core-$(CONFIG_MIPS_EV64120) += arch/mips/galileo-boards/ev64120/
>> 188 load-$(CONFIG_MIPS_EV64120) += 0x80100000
>> 189
>> 190 #
>> 191 # Galileo EV96100 Board
>> 192 #
>> 193 core-$(CONFIG_MIPS_EV96100) += arch/mips/galileo-boards/generic/ \
>> 194 arch/mips/galileo-boards/ev96100/
>> 195 load-$(CONFIG_MIPS_EV96100) += 0x80100000
>> 196
>> 197 #
>> 198 # Globespan IVR eval board with QED 5231 CPU
>> 199 #
>> 200 core-$(CONFIG_ITE_BOARD_GEN) += arch/mips/ite-boards/generic/
>> 201 core-$(CONFIG_MIPS_IVR) += arch/mips/ite-boards/ivr/
>> 202 load-$(CONFIG_MIPS_IVR) += 0x80100000
>> 203
>> 204 #
>> 205 # HP LaserJet
>> 206 #
>> 207 core-$(CONFIG_HP_LASERJET) += arch/mips/hp-lj/
>> 208 load-$(CONFIG_HP_LASERJET) += 0x80030000
>> 209
>> 210 #
>> 211 # ITE 8172 eval board with QED 5231 CPU
>> 212 #
>> 213 core-$(CONFIG_MIPS_ITE8172) += arch/mips/ite-boards/qed-4n-s01b/
>> 214 load-$(CONFIG_MIPS_ITE8172) += 0x80100000
>> 215
>> 216 #
>> 217 # MIPS Atlas board
>> 218 #
>> 219 core-$(CONFIG_MIPS_BOARDS_GEN) += arch/mips/mips-boards/generic/
>> 220 core-$(CONFIG_MIPS_ATLAS) += arch/mips/mips-boards/atlas/
>> 221 load-$(CONFIG_MIPS_ATLAS) += 0x80100000
>> 222
>> 223 #
>> 224 # MIPS Malta board
>> 225 #
>> 226 core-$(CONFIG_MIPS_MALTA) += arch/mips/mips-boards/malta/
>> 227 load-$(CONFIG_MIPS_MALTA) += 0x80100000
>> 228
>> 229 #
>> 230 # MIPS SEAD board
>> 231 #
>> 232 core-$(CONFIG_MIPS_SEAD) += arch/mips/mips-boards/sead/
>> 233 load-$(CONFIG_MIPS_SEAD) += 0x80100000
>> 234
>> 235 #
>> 236 # Momentum Ocelot board
>> 237 #
>> 238 # The Ocelot setup.o must be linked early - it does the ioremap() for the
>> 239 # mips_io_port_base.
>> 240 #
>> 241 core-$(CONFIG_MOMENCO_OCELOT) += arch/mips/gt64120/common/ \
>> 242 arch/mips/gt64120/momenco_ocelot/
>> 243 load-$(CONFIG_MOMENCO_OCELOT) += 0x80100000
>> 244
>> 245 #
>> 246 # Momentum Ocelot-G board
>> 247 #
>> 248 # The Ocelot-G setup.o must be linked early - it does the ioremap() for the
>> 249 # mips_io_port_base.
>> 250 #
>> 251 core-$(CONFIG_MOMENCO_OCELOT_G) += arch/mips/momentum/ocelot_g/
>> 252 load-$(CONFIG_MOMENCO_OCELOT_G) += 0x80100000
>> 253
>> 254 #
>> 255 # Momentum Ocelot-C and -CS boards
>> 256 #
>> 257 # The Ocelot-C[S] setup.o must be linked early - it does the ioremap() for the
>> 258 # mips_io_port_base.
>> 259 core-$(CONFIG_MOMENCO_OCELOT_C) += arch/mips/momentum/ocelot_c/
>> 260 load-$(CONFIG_MOMENCO_OCELOT_C) += 0x80100000
>> 261
>> 262 #
>> 263 # NEC DDB Vrc-5074
>> 264 #
>> 265 core-$(CONFIG_DDB5XXX_COMMON) += arch/mips/ddb5xxx/common/
>> 266 core-$(CONFIG_DDB5074) += arch/mips/ddb5xxx/ddb5074/
>> 267 load-$(CONFIG_DDB5074) += 0x80080000
>> 268
>> 269 #
>> 270 # NEC DDB Vrc-5476
>> 271 #
>> 272 core-$(CONFIG_DDB5476) += arch/mips/ddb5xxx/ddb5476/
>> 273 load-$(CONFIG_DDB5476) += 0x80080000
>> 274
>> 275 #
>> 276 # NEC DDB Vrc-5477
>> 277 #
>> 278 core-$(CONFIG_DDB5477) += arch/mips/ddb5xxx/ddb5477/
>> 279 load-$(CONFIG_DDB5477) += 0x80100000
>> 280
>> 281 core-$(CONFIG_LASAT) += arch/mips/lasat/
>> 282 load-$(CONFIG_LASAT) += 0x80000000
>> 283
>> 284 #
>> 285 # NEC Osprey (vr4181) board
>> 286 #
>> 287 core-$(CONFIG_NEC_OSPREY) += arch/mips/vr4181/common/ \
>> 288 arch/mips/vr4181/osprey/
>> 289 load-$(CONFIG_NEC_OSPREY) += 0x80002000
>> 290
>> 291 #
>> 292 # NEC Eagle/Hawk (VR4122/VR4131) board
>> 293 #
>> 294 core-$(CONFIG_VR41XX_COMMON) += arch/mips/vr41xx/common/
>> 295 core-$(CONFIG_NEC_EAGLE) += arch/mips/vr41xx/nec-eagle/
>> 296 load-$(CONFIG_NEC_EAGLE) += 0x80000000
>> 297
>> 298 #
>> 299 # ZAO Networks Capcella (VR4131)
>> 300 #
>> 301 core-$(CONFIG_ZAO_CAPCELLA) += arch/mips/vr41xx/zao-capcella/
>> 302 load-$(CONFIG_ZAO_CAPCELLA) += 0x80000000
>> 303
>> 304 #
>> 305 # Victor MP-C303/304 (VR4122)
>> 306 #
>> 307 core-$(CONFIG_VICTOR_MPC30X) += arch/mips/vr41xx/victor-mpc30x/
>> 308 load-$(CONFIG_VICTOR_MPC30X) += 0x80001000
>> 309
>> 310 #
>> 311 # IBM WorkPad z50 (VR4121)
>> 312 #
>> 313 core-$(CONFIG_IBM_WORKPAD) += arch/mips/vr41xx/ibm-workpad/
>> 314 load-$(CONFIG_IBM_WORKPAD) += 0x80004000
>> 315
>> 316 #
>> 317 # CASIO CASSIPEIA E-55/65 (VR4111)
>> 318 #
>> 319 core-$(CONFIG_CASIO_E55) += arch/mips/vr41xx/casio-e55/
>> 320 load-$(CONFIG_CASIO_E55) += 0x80004000
>> 321
>> 322 #
>> 323 # TANBAC TB0226 Mbase (VR4131)
>> 324 #
>> 325 core-$(CONFIG_TANBAC_TB0226) += arch/mips/vr41xx/tanbac-tb0226/
>> 326 load-$(CONFIG_TANBAC_TB0226) += 0x80000000
106 327
107 KBUILD_RUSTFLAGS += --target=lo !! 328 #
108 KBUILD_RUSTFLAGS_KERNEL += -Zdirect-ac !! 329 # TANBAC TB0229 VR4131DIMM (VR4131)
109 KBUILD_RUSTFLAGS_MODULE += -Zdirect-ac !! 330 #
>> 331 core-$(CONFIG_TANBAC_TB0229) += arch/mips/vr41xx/tanbac-tb0229/
>> 332 load-$(CONFIG_TANBAC_TB0229) += 0x80000000
110 333
111 ifeq ($(CONFIG_RELOCATABLE),y) !! 334 #
112 KBUILD_CFLAGS_KERNEL += -fPIE !! 335 # SGI IP22 (Indy/Indigo2)
113 KBUILD_RUSTFLAGS_KERNEL += -Crelocatio !! 336 #
114 LDFLAGS_vmlinux += -static -pi !! 337 # Set the load address to >= 0x88069000 if you want to leave space for symmon,
>> 338 # 0x80002000 for production kernels. Note that the value must be aligned to
>> 339 # a multiple of the kernel stack size or the handling of the current variable
>> 340 # will break so for 64-bit kernels we have to raise the start address by 8kb.
>> 341 #
>> 342 core-$(CONFIG_SGI_IP22) += arch/mips/sgi-ip22/
>> 343 ifdef CONFIG_MIPS32
>> 344 load-$(CONFIG_SGI_IP22) += 0x88002000
>> 345 endif
>> 346 ifdef CONFIG_MIPS64
>> 347 load-$(CONFIG_SGI_IP22) += 0x88004000
115 endif 348 endif
116 349
117 cflags-y += $(call cc-option, -mno-check-zero- !! 350 #
>> 351 # SGI-IP27 (Origin200/2000)
>> 352 #
>> 353 # Set the load address to >= 0xc000000000300000 if you want to leave space for
>> 354 # symmon, 0xc00000000001c000 for production kernels. Note that the value
>> 355 # must be 16kb aligned or the handling of the current variable will break.
>> 356 #
>> 357 ifdef CONFIG_SGI_IP27
>> 358 core-$(CONFIG_SGI_IP27) += arch/mips/sgi-ip27/
>> 359 #load-$(CONFIG_SGI_IP27) += 0xa80000000001c000
>> 360 ifdef CONFIG_MAPPED_KERNEL
>> 361 load-$(CONFIG_SGI_IP27) += 0xc001c000
>> 362 else
>> 363 load-$(CONFIG_SGI_IP27) += 0x8001c000
>> 364 endif
>> 365 endif
118 366
119 ifndef CONFIG_KASAN !! 367 #
120 cflags-y += -fno-builtin-memcpy -fno-builtin-m !! 368 # SGI-IP32 (O2)
>> 369 #
>> 370 # Set the load address to >= 0x????????? if you want to leave space for symmon,
>> 371 # 0x80002000 for production kernels. Note that the value must be aligned to
>> 372 # a multiple of the kernel stack size or the handling of the current variable
>> 373 # will break so for 64-bit kernels we have to raise the start address by 8kb.
>> 374 #
>> 375 core-$(CONFIG_SGI_IP32) += arch/mips/sgi-ip32/
>> 376 ifdef CONFIG_MIPS32
>> 377 load-$(CONFIG_SGI_IP32) += 0x88002000
>> 378 endif
>> 379 ifdef CONFIG_MIPS64
>> 380 load-$(CONFIG_SGI_IP32) += 0x88004000
121 endif 381 endif
122 382
123 load-y = 0x9000000000200000 !! 383 #
124 bootvars-y = VMLINUX_LOAD_ADDRESS=$(load- !! 384 # Sibyte SB1250 SOC
>> 385 #
>> 386 # This is a LIB so that it links at the end, and initcalls are later
>> 387 # the sequence; but it is built as an object so that modules don't get
>> 388 # removed (as happens, even if they have __initcall/module_init)
>> 389 #
>> 390 core-$(CONFIG_SIBYTE_BCM112X) += arch/mips/sibyte/sb1250/
>> 391 core-$(CONFIG_SIBYTE_SB1250) += arch/mips/sibyte/sb1250/
125 392
126 drivers-$(CONFIG_PCI) += arch/loonga !! 393 #
>> 394 # Sibyte BCM91120x (Carmel) board
>> 395 # Sibyte BCM91120C (CRhine) board
>> 396 # Sibyte BCM91125C (CRhone) board
>> 397 # Sibyte BCM91125E (Rhone) board
>> 398 # Sibyte SWARM board
>> 399 #
>> 400 libs-$(CONFIG_SIBYTE_CARMEL) += arch/mips/sibyte/swarm/
>> 401 load-$(CONFIG_SIBYTE_CARMEL) := 0x80100000
>> 402 libs-$(CONFIG_SIBYTE_CRHINE) += arch/mips/sibyte/swarm/
>> 403 load-$(CONFIG_SIBYTE_CRHINE) := 0x80100000
>> 404 libs-$(CONFIG_SIBYTE_CRHONE) += arch/mips/sibyte/swarm/
>> 405 load-$(CONFIG_SIBYTE_CRHONE) := 0x80100000
>> 406 libs-$(CONFIG_SIBYTE_RHONE) += arch/mips/sibyte/swarm/
>> 407 load-$(CONFIG_SIBYTE_RHONE) := 0x80100000
>> 408 libs-$(CONFIG_SIBYTE_SENTOSA) += arch/mips/sibyte/swarm/
>> 409 load-$(CONFIG_SIBYTE_SENTOSA) := 0x80100000
>> 410 libs-$(CONFIG_SIBYTE_SWARM) += arch/mips/sibyte/swarm/
>> 411 load-$(CONFIG_SIBYTE_SWARM) := 0x80100000
>> 412
>> 413 #
>> 414 # SNI RM200 PCI
>> 415 #
>> 416 core-$(CONFIG_SNI_RM200_PCI) += arch/mips/sni/
>> 417 load-$(CONFIG_SNI_RM200_PCI) += 0x80080000
127 418
128 KBUILD_AFLAGS += $(cflags-y) !! 419 #
129 KBUILD_CFLAGS += $(cflags-y) !! 420 # Toshiba JMR-TX3927 board
130 KBUILD_CPPFLAGS += -DVMLINUX_LOAD_ADDRESS=$(lo !! 421 #
>> 422 core-$(CONFIG_TOSHIBA_JMR3927) += arch/mips/jmr3927/rbhma3100/ \
>> 423 arch/mips/jmr3927/common/
>> 424 load-$(CONFIG_TOSHIBA_JMR3927) += 0x80050000
131 425
132 # This is required to get dwarf unwinding tabl !! 426 #
133 # instead of .eh_frame so we don't discard the !! 427 # Toshiba RBTX4927 board or
134 KBUILD_CFLAGS += -fno-asynchronous-unwind-tabl !! 428 # Toshiba RBTX4937 board
>> 429 #
>> 430 core-$(CONFIG_TOSHIBA_RBTX4927) += arch/mips/tx4927/toshiba_rbtx4927/
>> 431 core-$(CONFIG_TOSHIBA_RBTX4927) += arch/mips/tx4927/common/
>> 432 load-$(CONFIG_TOSHIBA_RBTX4927) += 0x80020000
>> 433
>> 434 drivers-$(CONFIG_PCI) += arch/mips/pci/
>> 435
>> 436 ifdef CONFIG_MIPS32
>> 437 build-bfd = $(32bit-bfd)
>> 438 cflags-y += $(32bit-isa-y)
>> 439 endif
>> 440 ifdef CONFIG_MIPS64
>> 441 build-bfd = $(64bit-bfd)
>> 442 cflags-y += $(64bit-isa-y)
>> 443 endif
135 444
136 ifdef CONFIG_ARCH_STRICT_ALIGN !! 445 ifdef CONFIG_MIPS32
137 # Don't emit unaligned accesses. !! 446 ifdef CONFIG_CPU_LITTLE_ENDIAN
138 # Not all LoongArch cores support unaligned ac !! 447 JIFFIES = jiffies_64
139 # rely on others to provide emulation for thes !! 448 else
140 KBUILD_CFLAGS += $(call cc-option,-mstrict-ali !! 449 JIFFIES = jiffies_64 + 4
>> 450 endif
141 else 451 else
142 # Optimise for performance on hardware support !! 452 JIFFIES = jiffies_64
143 KBUILD_CFLAGS += $(call cc-option,-mno-strict- <<
144 endif 453 endif
145 454
146 KBUILD_CFLAGS += -isystem $(shell $(CC) -print !! 455 #
>> 456 # Some machines like the Indy need 32-bit ELF binaries for booting purposes.
>> 457 # Other need ECOFF, so we build a 32-bit ELF binary for them which we then
>> 458 # convert to ECOFF using elf2ecoff.
>> 459 #
>> 460 # The 64-bit ELF tools are pretty broken so at this time we generate 64-bit
>> 461 # ELF files from 32-bit files by conversion.
>> 462 #
>> 463 #AS += -64
>> 464 #LDFLAGS += -m elf64bmip
147 465
148 KBUILD_LDFLAGS += -m $(ld-emul) !! 466 ifdef CONFIG_MIPS64
>> 467 #
>> 468 # We use an unusual code model for building 64-bit kernels. 64-bit ELF,
>> 469 # squeezed into 32-bit ELF files. Later version of gas throw silly warnings
>> 470 # which requires the use of -mgp64 which not all gas versions have ...
>> 471 #
>> 472 GRRR=-Wa,-mgp64
>> 473 cflags-$(CONFIG_BOOT_ELF32) += -Wa,-32 $(call check_warning, $(GRRR),)
>> 474 cflags-$(CONFIG_BOOT_ELF64) += -Wa,-32 $(call check_warning, $(GRRR),)
>> 475 endif
>> 476
>> 477 #
>> 478 # Choosing incompatible machines durings configuration will result in
>> 479 # error messages during linking. Select a default linkscript if
>> 480 # none has been choosen above.
>> 481 #
>> 482
>> 483 AFLAGS_vmlinux.lds.o := \
>> 484 -D"LOADADDR=$(load-y)" \
>> 485 -D"JIFFIES=$(JIFFIES)" \
>> 486 -imacros $(srctree)/include/asm-$(ARCH)/sn/mapped_kernel.h
>> 487
>> 488 AFLAGS += $(cflags-y)
>> 489 CFLAGS += $(cflags-y)
>> 490
>> 491 LDFLAGS += --oformat $(32bit-bfd)
>> 492
>> 493 head-y := arch/mips/kernel/head.o arch/mips/kernel/init_task.o
>> 494
>> 495 libs-y += arch/mips/lib/
>> 496 libs-$(CONFIG_MIPS32) += arch/mips/lib-32/
>> 497 libs-$(CONFIG_MIPS64) += arch/mips/lib-64/
>> 498
>> 499 core-y += arch/mips/kernel/ arch/mips/mm/ arch/mips/math-emu/
>> 500 core-$(CONFIG_MIPS32) += arch/mips/mm-32/
>> 501 core-$(CONFIG_MIPS64) += arch/mips/mm-64/
>> 502
>> 503 ifdef CONFIG_BAGET_MIPS
>> 504
>> 505 BAGETBOOT = $(MAKE) -C arch/$(ARCH)/baget
>> 506
>> 507 balo: vmlinux
>> 508 $(BAGETBOOT) balo
149 509
150 ifdef need-compiler <<
151 CHECKFLAGS += $(shell $(CC) $(KBUILD_CPPFLAGS) <<
152 grep -E -vw '__GNUC_(MINOR_|PATCHLEVEL <<
153 sed -e "s/^\#define /-D'/" -e "s/ /'=' <<
154 endif 510 endif
155 511
156 libs-y += arch/loongarch/lib/ !! 512 ifdef CONFIG_LASAT
157 libs-$(CONFIG_EFI_STUB) += $(objtree)/drivers/ !! 513 rom.bin rom.sw: vmlinux
>> 514 $(call descend,arch/mips/lasat/image,$@)
>> 515 endif
158 516
159 drivers-y += arch/loongarch/cryp !! 517 ifdef CONFIG_MAPPED_KERNEL
>> 518 vmlinux.64: vmlinux
>> 519 $(OBJCOPY) -O $(64bit-bfd) --change-addresses=0xbfffffff40000000 $< $@
>> 520 else
>> 521 vmlinux.64: vmlinux
>> 522 $(OBJCOPY) -O $(64bit-bfd) --change-addresses=0xa7ffffff80000000 $< $@
>> 523 endif
160 524
161 # suspend and hibernation support !! 525 makeboot =$(Q)$(MAKE) -f scripts/Makefile.build obj=arch/mips/boot $(1)
162 drivers-$(CONFIG_PM) += arch/loongarch/powe <<
163 526
164 ifeq ($(KBUILD_EXTMOD),) !! 527 #
165 prepare: vdso_prepare !! 528 # SNI firmware is f*cked in interesting ways ...
166 vdso_prepare: prepare0 !! 529 #
167 $(Q)$(MAKE) $(build)=arch/loongarch/vd !! 530 ifdef CONFIG_SNI_RM200_PCI
>> 531 all: vmlinux.rm200
168 endif 532 endif
169 533
170 vdso-install-y += arch/loongarch/vdso/vdso.so. !! 534 vmlinux.ecoff vmlinux.rm200: vmlinux
>> 535 +@$(call makeboot,$@)
171 536
172 all: $(notdir $(KBUILD_IMAGE)) $(KBUILD_DTB !! 537 CLEAN_FILES += vmlinux.ecoff \
>> 538 vmlinux.rm200.tmp \
>> 539 vmlinux.rm200
173 540
174 vmlinuz.efi: vmlinux.efi !! 541 archclean:
>> 542 @$(MAKE) -f scripts/Makefile.clean obj=arch/mips/boot
>> 543 @$(MAKE) -f scripts/Makefile.clean obj=arch/mips/baget
>> 544 @$(MAKE) -f scripts/Makefile.clean obj=arch/mips/lasat
175 545
176 vmlinux.elf vmlinux.efi vmlinuz.efi: vmlinux !! 546 # Generate <asm/offset.h
177 $(Q)$(MAKE) $(build)=$(boot) $(bootvar !! 547 #
>> 548 # The default rule is suffering from funny problems on MIPS so we using our
>> 549 # own ...
>> 550 #
>> 551 # ---------------------------------------------------------------------------
178 552
179 install: !! 553 define filechk_gen-asm-offset.h
180 $(Q)install -D -m 755 $(KBUILD_IMAGE) !! 554 (set -e; \
181 $(Q)install -D -m 644 .config $(INSTAL !! 555 echo "#ifndef _ASM_OFFSET_H"; \
182 $(Q)install -D -m 644 System.map $(INS !! 556 echo "#define _ASM_OFFSET_H"; \
>> 557 echo "/*"; \
>> 558 echo " * DO NOT MODIFY."; \
>> 559 echo " *"; \
>> 560 echo " * This file was generated by arch/$(ARCH)/Makefile"; \
>> 561 echo " *"; \
>> 562 echo " */"; \
>> 563 echo ""; \
>> 564 sed -ne "/^@@@/s///p"; \
>> 565 echo "#endif /* _ASM_OFFSET_H */" )
>> 566 endef
183 567
184 define archhelp !! 568 define filechk_gen-asm-reg.h
185 echo ' install - install !! 569 (set -e; \
186 echo !! 570 echo "#ifndef _ASM_REG_H"; \
>> 571 echo "#define _ASM_REG_H"; \
>> 572 echo "/*"; \
>> 573 echo " * DO NOT MODIFY."; \
>> 574 echo " *"; \
>> 575 echo " * This file was generated by arch/$(ARCH)/Makefile"; \
>> 576 echo " *"; \
>> 577 echo " */"; \
>> 578 echo ""; \
>> 579 sed -ne "/^@@@/s///p"; \
>> 580 echo "#endif /* _ASM_REG_H */" )
187 endef 581 endef
>> 582
>> 583 prepare: include/asm-$(ARCH)/offset.h \
>> 584 include/asm-$(ARCH)/reg.h
>> 585
>> 586 arch/$(ARCH)/kernel/offset.s: include/asm include/linux/version.h \
>> 587 include/config/MARKER
>> 588
>> 589 include/asm-$(ARCH)/offset.h: arch/$(ARCH)/kernel/offset.s
>> 590 $(call filechk,gen-asm-offset.h)
>> 591 include/asm-$(ARCH)/reg.h: arch/$(ARCH)/kernel/reg.s
>> 592 $(call filechk,gen-asm-reg.h)
>> 593
>> 594 CLEAN_FILES += include/asm-$(ARCH)/offset.h.tmp \
>> 595 include/asm-$(ARCH)/offset.h \
>> 596 include/asm-$(ARCH)/reg.h.tmp \
>> 597 include/asm-$(ARCH)/reg.h
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