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   1 #
   2 # This file is subject to the terms and conditions of the GNU General Public
   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, 2003, 2004  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 KBUILD_DEFCONFIG := ip22_defconfig
  16
  17 cflags-y := -ffunction-sections
  18
  19 #
  20 # Select the object file format to substitute into the linker script.
  21 #
  22 ifdef CONFIG_CPU_LITTLE_ENDIAN
  23 32bit-tool-archpref     = mipsel
  24 64bit-tool-archpref     = mips64el
  25 32bit-bfd               = elf32-tradlittlemips
  26 64bit-bfd               = elf64-tradlittlemips
  27 32bit-emul              = elf32ltsmip
  28 64bit-emul              = elf64ltsmip
  29 else
  30 32bit-tool-archpref     = mips
  31 64bit-tool-archpref     = mips64
  32 32bit-bfd               = elf32-tradbigmips
  33 64bit-bfd               = elf64-tradbigmips
  34 32bit-emul              = elf32btsmip
  35 64bit-emul              = elf64btsmip
  36 endif
  37
  38 ifdef CONFIG_32BIT
  39 tool-archpref           = $(32bit-tool-archpref)
  40 UTS_MACHINE             := mips
  41 endif
  42 ifdef CONFIG_64BIT
  43 tool-archpref           = $(64bit-tool-archpref)
  44 UTS_MACHINE             := mips64
  45 endif
  46
  47 ifneq ($(SUBARCH),$(ARCH))
  48   ifeq ($(CROSS_COMPILE),)
  49     CROSS_COMPILE := $(call cc-cross-prefix, $(tool-archpref)-linux-  $(tool-archpref)-linux-gnu-  $(tool-archpref)-unknown-linux-gnu-)
  50   endif
  51 endif
  52
  53 ifdef CONFIG_32BIT
  54 ld-emul                 = $(32bit-emul)
  55 vmlinux-32              = vmlinux
  56 vmlinux-64              = vmlinux.64
  57
  58 cflags-y                += -mabi=32
  59 endif
  60
  61 ifdef CONFIG_64BIT
  62 ld-emul                 = $(64bit-emul)
  63 vmlinux-32              = vmlinux.32
  64 vmlinux-64              = vmlinux
  65
  66 cflags-y                += -mabi=64
  67 endif
  68
  69 all-$(CONFIG_BOOT_ELF32)        := $(vmlinux-32)
  70 all-$(CONFIG_BOOT_ELF64)        := $(vmlinux-64)
  71
  72 #
  73 # GCC uses -G 0 -mabicalls -fpic as default.  We don't want PIC in the kernel
  74 # code since it only slows down the whole thing.  At some point we might make
  75 # use of global pointer optimizations but their use of $28 conflicts with
  76 # the current pointer optimization.
  77 #
  78 # The DECStation requires an ECOFF kernel for remote booting, other MIPS
  79 # machines may also.  Since BFD is incredibly buggy with respect to
  80 # crossformat linking we rely on the elf2ecoff tool for format conversion.
  81 #
  82 cflags-y                        += -G 0 -mno-abicalls -fno-pic -pipe
  83 cflags-y                        += -msoft-float
  84 LDFLAGS_vmlinux                 += -G 0 -static -n -nostdlib
  85 MODFLAGS                        += -mlong-calls
  86
  87 cflags-y += -ffreestanding
  88
  89 #
  90 # We explicitly add the endianness specifier if needed, this allows
  91 # to compile kernels with a toolchain for the other endianness. We
  92 # carefully avoid to add it redundantly because gcc 3.3/3.4 complains
  93 # when fed the toolchain default!
  94 #
  95 # Certain gcc versions upto gcc 4.1.1 (probably 4.2-subversion as of
  96 # 2006-10-10 don't properly change the predefined symbols if -EB / -EL
  97 # are used, so we kludge that here.  A bug has been filed at
  98 # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29413.
  99 #
 100 undef-all += -UMIPSEB -U_MIPSEB -U__MIPSEB -U__MIPSEB__
 101 undef-all += -UMIPSEL -U_MIPSEL -U__MIPSEL -U__MIPSEL__
 102 predef-be += -DMIPSEB -D_MIPSEB -D__MIPSEB -D__MIPSEB__
 103 predef-le += -DMIPSEL -D_MIPSEL -D__MIPSEL -D__MIPSEL__
 104 cflags-$(CONFIG_CPU_BIG_ENDIAN)         += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' && echo -EB $(undef-all) $(predef-be))
 105 cflags-$(CONFIG_CPU_LITTLE_ENDIAN)      += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' || echo -EL $(undef-all) $(predef-le))
 106
 107 cflags-$(CONFIG_CPU_HAS_SMARTMIPS)      += $(call cc-option,-msmartmips)
 108
 109 cflags-$(CONFIG_SB1XXX_CORELIS) += $(call cc-option,-mno-sched-prolog) \
 110                                    -fno-omit-frame-pointer
 111
 112 #
 113 # CPU-dependent compiler/assembler options for optimization.
 114 #
 115 cflags-$(CONFIG_CPU_R3000)      += -march=r3000
 116 cflags-$(CONFIG_CPU_TX39XX)     += -march=r3900
 117 cflags-$(CONFIG_CPU_R6000)      += -march=r6000 -Wa,--trap
 118 cflags-$(CONFIG_CPU_R4300)      += -march=r4300 -Wa,--trap
 119 cflags-$(CONFIG_CPU_VR41XX)     += -march=r4100 -Wa,--trap
 120 cflags-$(CONFIG_CPU_R4X00)      += -march=r4600 -Wa,--trap
 121 cflags-$(CONFIG_CPU_TX49XX)     += -march=r4600 -Wa,--trap
 122 cflags-$(CONFIG_CPU_LOONGSON2)  += -march=r4600 -Wa,--trap
 123 cflags-$(CONFIG_CPU_MIPS32_R1)  += $(call cc-option,-march=mips32,-mips32 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \
 124                         -Wa,-mips32 -Wa,--trap
 125 cflags-$(CONFIG_CPU_MIPS32_R2)  += $(call cc-option,-march=mips32r2,-mips32r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \
 126                         -Wa,-mips32r2 -Wa,--trap
 127 cflags-$(CONFIG_CPU_MIPS64_R1)  += $(call cc-option,-march=mips64,-mips64 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64) \
 128                         -Wa,-mips64 -Wa,--trap
 129 cflags-$(CONFIG_CPU_MIPS64_R2)  += $(call cc-option,-march=mips64r2,-mips64r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64) \
 130                         -Wa,-mips64r2 -Wa,--trap
 131 cflags-$(CONFIG_CPU_R5000)      += -march=r5000 -Wa,--trap
 132 cflags-$(CONFIG_CPU_R5432)      += $(call cc-option,-march=r5400,-march=r5000) \
 133                         -Wa,--trap
 134 cflags-$(CONFIG_CPU_R5500)      += $(call cc-option,-march=r5500,-march=r5000) \
 135                         -Wa,--trap
 136 cflags-$(CONFIG_CPU_NEVADA)     += $(call cc-option,-march=rm5200,-march=r5000) \
 137                         -Wa,--trap
 138 cflags-$(CONFIG_CPU_RM7000)     += $(call cc-option,-march=rm7000,-march=r5000) \
 139                         -Wa,--trap
 140 cflags-$(CONFIG_CPU_RM9000)     += $(call cc-option,-march=rm9000,-march=r5000) \
 141                         -Wa,--trap
 142 cflags-$(CONFIG_CPU_SB1)        += $(call cc-option,-march=sb1,-march=r5000) \
 143                         -Wa,--trap
 144 cflags-$(CONFIG_CPU_R8000)      += -march=r8000 -Wa,--trap
 145 cflags-$(CONFIG_CPU_R10000)     += $(call cc-option,-march=r10000,-march=r8000) \
 146                         -Wa,--trap
 147
 148 cflags-$(CONFIG_CPU_R4000_WORKAROUNDS)  += $(call cc-option,-mfix-r4000,)
 149 cflags-$(CONFIG_CPU_R4400_WORKAROUNDS)  += $(call cc-option,-mfix-r4400,)
 150 cflags-$(CONFIG_CPU_DADDI_WORKAROUNDS)  += $(call cc-option,-mno-daddi,)
 151
 152 ifdef CONFIG_CPU_SB1
 153 ifdef CONFIG_SB1_PASS_1_WORKAROUNDS
 154 MODFLAGS        += -msb1-pass1-workarounds
 155 endif
 156 endif
 157
 158 #
 159 # Firmware support
 160 #
 161 libs-$(CONFIG_ARC)              += arch/mips/fw/arc/
 162 libs-$(CONFIG_CFE)              += arch/mips/fw/cfe/
 163 libs-$(CONFIG_SNIPROM)          += arch/mips/fw/sni/
 164 libs-y                          += arch/mips/fw/lib/
 165 libs-$(CONFIG_SIBYTE_CFE)       += arch/mips/sibyte/cfe/
 166
 167 #
 168 # Board-dependent options and extra files
 169 #
 170
 171 #
 172 # Acer PICA 61, Mips Magnum 4000 and Olivetti M700.
 173 #
 174 core-$(CONFIG_MACH_JAZZ)        += arch/mips/jazz/
 175 cflags-$(CONFIG_MACH_JAZZ)      += -I$(srctree)/arch/mips/include/asm/mach-jazz
 176 load-$(CONFIG_MACH_JAZZ)        += 0xffffffff80080000
 177
 178 #
 179 # Common Alchemy Au1x00 stuff
 180 #
 181 core-$(CONFIG_SOC_AU1X00)       += arch/mips/alchemy/common/
 182 cflags-$(CONFIG_SOC_AU1X00)     += -I$(srctree)/arch/mips/include/asm/mach-au1x00
 183
 184 #
 185 # AMD Alchemy Pb1000 eval board
 186 #
 187 libs-$(CONFIG_MIPS_PB1000)      += arch/mips/alchemy/pb1000/
 188 cflags-$(CONFIG_MIPS_PB1000)    += -I$(srctree)/arch/mips/include/asm/mach-pb1x00
 189 load-$(CONFIG_MIPS_PB1000)      += 0xffffffff80100000
 190
 191 #
 192 # AMD Alchemy Pb1100 eval board
 193 #
 194 libs-$(CONFIG_MIPS_PB1100)      += arch/mips/alchemy/pb1100/
 195 cflags-$(CONFIG_MIPS_PB1100)    += -I$(srctree)/arch/mips/include/asm/mach-pb1x00
 196 load-$(CONFIG_MIPS_PB1100)      += 0xffffffff80100000
 197
 198 #
 199 # AMD Alchemy Pb1500 eval board
 200 #
 201 libs-$(CONFIG_MIPS_PB1500)      += arch/mips/alchemy/pb1500/
 202 cflags-$(CONFIG_MIPS_PB1500)    += -I$(srctree)/arch/mips/include/asm/mach-pb1x00
 203 load-$(CONFIG_MIPS_PB1500)      += 0xffffffff80100000
 204
 205 #
 206 # AMD Alchemy Pb1550 eval board
 207 #
 208 libs-$(CONFIG_MIPS_PB1550)      += arch/mips/alchemy/pb1550/
 209 cflags-$(CONFIG_MIPS_PB1550)    += -I$(srctree)/arch/mips/include/asm/mach-pb1x00
 210 load-$(CONFIG_MIPS_PB1550)      += 0xffffffff80100000
 211
 212 #
 213 # AMD Alchemy Pb1200 eval board
 214 #
 215 libs-$(CONFIG_MIPS_PB1200)      += arch/mips/alchemy/pb1200/
 216 cflags-$(CONFIG_MIPS_PB1200)    += -I$(srctree)/arch/mips/include/asm/mach-pb1x00
 217 load-$(CONFIG_MIPS_PB1200)      += 0xffffffff80100000
 218
 219 #
 220 # AMD Alchemy Db1000 eval board
 221 #
 222 libs-$(CONFIG_MIPS_DB1000)      += arch/mips/alchemy/db1x00/
 223 cflags-$(CONFIG_MIPS_DB1000)    += -I$(srctree)/arch/mips/include/asm/mach-db1x00
 224 load-$(CONFIG_MIPS_DB1000)      += 0xffffffff80100000
 225
 226 #
 227 # AMD Alchemy Db1100 eval board
 228 #
 229 libs-$(CONFIG_MIPS_DB1100)      += arch/mips/alchemy/db1x00/
 230 cflags-$(CONFIG_MIPS_DB1100)    += -I$(srctree)/arch/mips/include/asm/mach-db1x00
 231 load-$(CONFIG_MIPS_DB1100)      += 0xffffffff80100000
 232
 233 #
 234 # AMD Alchemy Db1500 eval board
 235 #
 236 libs-$(CONFIG_MIPS_DB1500)      += arch/mips/alchemy/db1x00/
 237 cflags-$(CONFIG_MIPS_DB1500)    += -I$(srctree)/arch/mips/include/asm/mach-db1x00
 238 load-$(CONFIG_MIPS_DB1500)      += 0xffffffff80100000
 239
 240 #
 241 # AMD Alchemy Db1550 eval board
 242 #
 243 libs-$(CONFIG_MIPS_DB1550)      += arch/mips/alchemy/db1x00/
 244 cflags-$(CONFIG_MIPS_DB1550)    += -I$(srctree)/arch/mips/include/asm/mach-db1x00
 245 load-$(CONFIG_MIPS_DB1550)      += 0xffffffff80100000
 246
 247 #
 248 # AMD Alchemy Db1200 eval board
 249 #
 250 libs-$(CONFIG_MIPS_DB1200)      += arch/mips/alchemy/pb1200/
 251 cflags-$(CONFIG_MIPS_DB1200)    += -I$(srctree)/arch/mips/include/asm/mach-db1x00
 252 load-$(CONFIG_MIPS_DB1200)      += 0xffffffff80100000
 253
 254 #
 255 # AMD Alchemy Bosporus eval board
 256 #
 257 libs-$(CONFIG_MIPS_BOSPORUS)    += arch/mips/alchemy/db1x00/
 258 cflags-$(CONFIG_MIPS_BOSPORUS)  += -I$(srctree)/arch/mips/include/asm/mach-db1x00
 259 load-$(CONFIG_MIPS_BOSPORUS)    += 0xffffffff80100000
 260
 261 #
 262 # AMD Alchemy Mirage eval board
 263 #
 264 libs-$(CONFIG_MIPS_MIRAGE)      += arch/mips/alchemy/db1x00/
 265 cflags-$(CONFIG_MIPS_MIRAGE)    += -I$(srctree)/arch/mips/include/asm/mach-db1x00
 266 load-$(CONFIG_MIPS_MIRAGE)      += 0xffffffff80100000
 267
 268 #
 269 # 4G-Systems eval board
 270 #
 271 libs-$(CONFIG_MIPS_MTX1)        += arch/mips/alchemy/mtx-1/
 272 load-$(CONFIG_MIPS_MTX1)        += 0xffffffff80100000
 273
 274 #
 275 # MyCable eval board
 276 #
 277 libs-$(CONFIG_MIPS_XXS1500)     += arch/mips/alchemy/xxs1500/
 278 load-$(CONFIG_MIPS_XXS1500)     += 0xffffffff80100000
 279
 280 #
 281 # Cobalt Server
 282 #
 283 core-$(CONFIG_MIPS_COBALT)      += arch/mips/cobalt/
 284 cflags-$(CONFIG_MIPS_COBALT)    += -I$(srctree)/arch/mips/include/asm/mach-cobalt
 285 load-$(CONFIG_MIPS_COBALT)      += 0xffffffff80080000
 286
 287 #
 288 # DECstation family
 289 #
 290 core-$(CONFIG_MACH_DECSTATION)  += arch/mips/dec/
 291 cflags-$(CONFIG_MACH_DECSTATION)+= -I$(srctree)/arch/mips/include/asm/mach-dec
 292 libs-$(CONFIG_MACH_DECSTATION)  += arch/mips/dec/prom/
 293 load-$(CONFIG_MACH_DECSTATION)  += 0xffffffff80040000
 294
 295 #
 296 # Wind River PPMC Board (4KC + GT64120)
 297 #
 298 core-$(CONFIG_WR_PPMC)          += arch/mips/gt64120/wrppmc/
 299 cflags-$(CONFIG_WR_PPMC)                += -I$(srctree)/arch/mips/include/asm/mach-wrppmc
 300 load-$(CONFIG_WR_PPMC)          += 0xffffffff80100000
 301
 302 #
 303 # lemote fulong mini-PC board
 304 #
 305 core-$(CONFIG_LEMOTE_FULONG) +=arch/mips/lemote/lm2e/
 306 load-$(CONFIG_LEMOTE_FULONG) +=0xffffffff80100000
 307 cflags-$(CONFIG_LEMOTE_FULONG) += -I$(srctree)/arch/mips/include/asm/mach-lemote
 308
 309 #
 310 # MIPS Malta board
 311 #
 312 core-$(CONFIG_MIPS_MALTA)       += arch/mips/mti-malta/
 313 cflags-$(CONFIG_MIPS_MALTA)     += -I$(srctree)/arch/mips/include/asm/mach-malta
 314 load-$(CONFIG_MIPS_MALTA)       += 0xffffffff80100000
 315 all-$(CONFIG_MIPS_MALTA)        := vmlinux.bin
 316
 317 #
 318 # MIPS SIM
 319 #
 320 core-$(CONFIG_MIPS_SIM)         += arch/mips/mipssim/
 321 cflags-$(CONFIG_MIPS_SIM)       += -I$(srctree)/arch/mips/include/asm/mach-mipssim
 322 load-$(CONFIG_MIPS_SIM)         += 0x80100000
 323
 324 #
 325 # PMC-Sierra MSP SOCs
 326 #
 327 core-$(CONFIG_PMC_MSP)          += arch/mips/pmc-sierra/msp71xx/
 328 cflags-$(CONFIG_PMC_MSP)        += -I$(srctree)/arch/mips/include/asm/pmc-sierra/msp71xx \
 329                                         -mno-branch-likely
 330 load-$(CONFIG_PMC_MSP)          += 0xffffffff80100000
 331
 332 #
 333 # PMC-Sierra Yosemite
 334 #
 335 core-$(CONFIG_PMC_YOSEMITE)     += arch/mips/pmc-sierra/yosemite/
 336 cflags-$(CONFIG_PMC_YOSEMITE)   += -I$(srctree)/arch/mips/include/asm/mach-yosemite
 337 load-$(CONFIG_PMC_YOSEMITE)     += 0xffffffff80100000
 338
 339 #
 340 # Basler eXcite
 341 #
 342 core-$(CONFIG_BASLER_EXCITE)    += arch/mips/basler/excite/
 343 cflags-$(CONFIG_BASLER_EXCITE)  += -I$(srctree)/arch/mips/include/asm/mach-excite
 344 load-$(CONFIG_BASLER_EXCITE)    += 0x80100000
 345
 346 #
 347 # LASAT platforms
 348 #
 349 core-$(CONFIG_LASAT)            += arch/mips/lasat/
 350 cflags-$(CONFIG_LASAT)          += -I$(srctree)/arch/mips/include/asm/mach-lasat
 351 load-$(CONFIG_LASAT)            += 0xffffffff80000000
 352
 353 #
 354 # Common VR41xx
 355 #
 356 core-$(CONFIG_MACH_VR41XX)      += arch/mips/vr41xx/common/
 357 cflags-$(CONFIG_MACH_VR41XX)    += -I$(srctree)/arch/mips/include/asm/mach-vr41xx
 358
 359 #
 360 # ZAO Networks Capcella (VR4131)
 361 #
 362 load-$(CONFIG_ZAO_CAPCELLA)     += 0xffffffff80000000
 363
 364 #
 365 # Victor MP-C303/304 (VR4122)
 366 #
 367 load-$(CONFIG_VICTOR_MPC30X)    += 0xffffffff80001000
 368
 369 #
 370 # IBM WorkPad z50 (VR4121)
 371 #
 372 core-$(CONFIG_IBM_WORKPAD)      += arch/mips/vr41xx/ibm-workpad/
 373 load-$(CONFIG_IBM_WORKPAD)      += 0xffffffff80004000
 374
 375 #
 376 # CASIO CASSIPEIA E-55/65 (VR4111)
 377 #
 378 core-$(CONFIG_CASIO_E55)        += arch/mips/vr41xx/casio-e55/
 379 load-$(CONFIG_CASIO_E55)        += 0xffffffff80004000
 380
 381 #
 382 # TANBAC VR4131 multichip module(TB0225) and TANBAC VR4131DIMM(TB0229) (VR4131)
 383 #
 384 load-$(CONFIG_TANBAC_TB022X)    += 0xffffffff80000000
 385
 386 # NXP STB225
 387 core-$(CONFIG_SOC_PNX833X)              += arch/mips/nxp/pnx833x/common/
 388 cflags-$(CONFIG_SOC_PNX833X)    += -Iarch/mips/include/asm/mach-pnx833x
 389 libs-$(CONFIG_NXP_STB220)               += arch/mips/nxp/pnx833x/stb22x/
 390 load-$(CONFIG_NXP_STB220)               += 0xffffffff80001000
 391 libs-$(CONFIG_NXP_STB225)               += arch/mips/nxp/pnx833x/stb22x/
 392 load-$(CONFIG_NXP_STB225)               += 0xffffffff80001000
 393
 394 #
 395 # Common NXP PNX8550
 396 #
 397 core-$(CONFIG_SOC_PNX8550)      += arch/mips/nxp/pnx8550/common/
 398 cflags-$(CONFIG_SOC_PNX8550)    += -I$(srctree)/arch/mips/include/asm/mach-pnx8550
 399
 400 #
 401 # NXP PNX8550 JBS board
 402 #
 403 libs-$(CONFIG_PNX8550_JBS)      += arch/mips/nxp/pnx8550/jbs/
 404 #cflags-$(CONFIG_PNX8550_JBS)   += -I$(srctree)/arch/mips/include/asm/mach-pnx8550
 405 load-$(CONFIG_PNX8550_JBS)      += 0xffffffff80060000
 406
 407 # NXP PNX8550 STB810 board
 408 #
 409 libs-$(CONFIG_PNX8550_STB810)   += arch/mips/nxp/pnx8550/stb810/
 410 load-$(CONFIG_PNX8550_STB810)   += 0xffffffff80060000
 411
 412 #
 413 # Common NEC EMMAXXX
 414 #
 415 core-$(CONFIG_SOC_EMMA)         += arch/mips/emma/common/
 416 cflags-$(CONFIG_SOC_EMMA2RH)    += -I$(srctree)/arch/mips/include/asm/mach-emma2rh
 417
 418 #
 419 # NEC EMMA2RH Mark-eins
 420 #
 421 core-$(CONFIG_NEC_MARKEINS)     += arch/mips/emma/markeins/
 422 load-$(CONFIG_NEC_MARKEINS)     += 0xffffffff88100000
 423
 424 #
 425 # SGI IP22 (Indy/Indigo2)
 426 #
 427 # Set the load address to >= 0xffffffff88069000 if you want to leave space for
 428 # symmon, 0xffffffff80002000 for production kernels.  Note that the value must
 429 # be aligned to a multiple of the kernel stack size or the handling of the
 430 # current variable will break so for 64-bit kernels we have to raise the start
 431 # address by 8kb.
 432 #
 433 core-$(CONFIG_SGI_IP22)         += arch/mips/sgi-ip22/
 434 cflags-$(CONFIG_SGI_IP22)       += -I$(srctree)/arch/mips/include/asm/mach-ip22
 435 ifdef CONFIG_32BIT
 436 load-$(CONFIG_SGI_IP22)         += 0xffffffff88002000
 437 endif
 438 ifdef CONFIG_64BIT
 439 load-$(CONFIG_SGI_IP22)         += 0xffffffff88004000
 440 endif
 441
 442 #
 443 # SGI-IP27 (Origin200/2000)
 444 #
 445 # Set the load address to >= 0xc000000000300000 if you want to leave space for
 446 # symmon, 0xc00000000001c000 for production kernels.  Note that the value must
 447 # be 16kb aligned or the handling of the current variable will break.
 448 #
 449 ifdef CONFIG_SGI_IP27
 450 core-$(CONFIG_SGI_IP27)         += arch/mips/sgi-ip27/
 451 cflags-$(CONFIG_SGI_IP27)       += -I$(srctree)/arch/mips/include/asm/mach-ip27
 452 ifdef CONFIG_MAPPED_KERNEL
 453 load-$(CONFIG_SGI_IP27)         += 0xc00000004001c000
 454 OBJCOPYFLAGS                    := --change-addresses=0x3fffffff80000000
 455 dataoffset-$(CONFIG_SGI_IP27)   += 0x01000000
 456 else
 457 load-$(CONFIG_SGI_IP27)         += 0xa80000000001c000
 458 OBJCOPYFLAGS                    := --change-addresses=0x57ffffff80000000
 459 endif
 460 endif
 461
 462 #
 463 # SGI IP28 (Indigo2 R10k)
 464 #
 465 # Set the load address to >= 0xa800000020080000 if you want to leave space for
 466 # symmon, 0xa800000020004000 for production kernels ?  Note that the value must
 467 # be 16kb aligned or the handling of the current variable will break.
 468 # Simplified: what IP22 does at 128MB+ in ksegN, IP28 does at 512MB+ in xkphys
 469 #
 470 ifdef CONFIG_SGI_IP28
 471   ifeq ($(call cc-option-yn,-mr10k-cache-barrier=1), n)
 472       $(error gcc doesn't support needed option -mr10k-cache-barrier=1)
 473   endif
 474 endif
 475 core-$(CONFIG_SGI_IP28)         += arch/mips/sgi-ip22/
 476 cflags-$(CONFIG_SGI_IP28)       += -mr10k-cache-barrier=1 -I$(srctree)/arch/mips/include/asm/mach-ip28
 477 load-$(CONFIG_SGI_IP28)         += 0xa800000020004000
 478
 479 #
 480 # SGI-IP32 (O2)
 481 #
 482 # Set the load address to >= 80069000 if you want to leave space for symmon,
 483 # 0xffffffff80004000 for production kernels.  Note that the value must be aligned to
 484 # a multiple of the kernel stack size or the handling of the current variable
 485 # will break.
 486 #
 487 core-$(CONFIG_SGI_IP32)         += arch/mips/sgi-ip32/
 488 cflags-$(CONFIG_SGI_IP32)       += -I$(srctree)/arch/mips/include/asm/mach-ip32
 489 load-$(CONFIG_SGI_IP32)         += 0xffffffff80004000
 490
 491 #
 492 # Sibyte SB1250/BCM1480 SOC
 493 #
 494 # This is a LIB so that it links at the end, and initcalls are later
 495 # the sequence; but it is built as an object so that modules don't get
 496 # removed (as happens, even if they have __initcall/module_init)
 497 #
 498 core-$(CONFIG_SIBYTE_BCM112X)   += arch/mips/sibyte/sb1250/
 499 core-$(CONFIG_SIBYTE_BCM112X)   += arch/mips/sibyte/common/
 500 cflags-$(CONFIG_SIBYTE_BCM112X) += -I$(srctree)/arch/mips/include/asm/mach-sibyte \
 501                         -DSIBYTE_HDR_FEATURES=SIBYTE_HDR_FMASK_1250_112x_ALL
 502
 503 core-$(CONFIG_SIBYTE_SB1250)    += arch/mips/sibyte/sb1250/
 504 core-$(CONFIG_SIBYTE_SB1250)    += arch/mips/sibyte/common/
 505 cflags-$(CONFIG_SIBYTE_SB1250)  += -I$(srctree)/arch/mips/include/asm/mach-sibyte \
 506                         -DSIBYTE_HDR_FEATURES=SIBYTE_HDR_FMASK_1250_112x_ALL
 507
 508 core-$(CONFIG_SIBYTE_BCM1x55)   += arch/mips/sibyte/bcm1480/
 509 core-$(CONFIG_SIBYTE_BCM1x55)   += arch/mips/sibyte/common/
 510 cflags-$(CONFIG_SIBYTE_BCM1x55) += -I$(srctree)/arch/mips/include/asm/mach-sibyte \
 511                         -DSIBYTE_HDR_FEATURES=SIBYTE_HDR_FMASK_1480_ALL
 512
 513 core-$(CONFIG_SIBYTE_BCM1x80)   += arch/mips/sibyte/bcm1480/
 514 core-$(CONFIG_SIBYTE_BCM1x80)   += arch/mips/sibyte/common/
 515 cflags-$(CONFIG_SIBYTE_BCM1x80) += -I$(srctree)/arch/mips/include/asm/mach-sibyte \
 516                         -DSIBYTE_HDR_FEATURES=SIBYTE_HDR_FMASK_1480_ALL
 517
 518 #
 519 # Sibyte BCM91120x (Carmel) board
 520 # Sibyte BCM91120C (CRhine) board
 521 # Sibyte BCM91125C (CRhone) board
 522 # Sibyte BCM91125E (Rhone) board
 523 # Sibyte SWARM board
 524 # Sibyte BCM91x80 (BigSur) board
 525 #
 526 core-$(CONFIG_SIBYTE_CARMEL)    += arch/mips/sibyte/swarm/
 527 load-$(CONFIG_SIBYTE_CARMEL)    := 0xffffffff80100000
 528 core-$(CONFIG_SIBYTE_CRHINE)    += arch/mips/sibyte/swarm/
 529 load-$(CONFIG_SIBYTE_CRHINE)    := 0xffffffff80100000
 530 core-$(CONFIG_SIBYTE_CRHONE)    += arch/mips/sibyte/swarm/
 531 load-$(CONFIG_SIBYTE_CRHONE)    := 0xffffffff80100000
 532 core-$(CONFIG_SIBYTE_RHONE)     += arch/mips/sibyte/swarm/
 533 load-$(CONFIG_SIBYTE_RHONE)     := 0xffffffff80100000
 534 core-$(CONFIG_SIBYTE_SENTOSA)   += arch/mips/sibyte/swarm/
 535 load-$(CONFIG_SIBYTE_SENTOSA)   := 0xffffffff80100000
 536 core-$(CONFIG_SIBYTE_SWARM)     += arch/mips/sibyte/swarm/
 537 load-$(CONFIG_SIBYTE_SWARM)     := 0xffffffff80100000
 538 core-$(CONFIG_SIBYTE_BIGSUR)    += arch/mips/sibyte/swarm/
 539 load-$(CONFIG_SIBYTE_BIGSUR)    := 0xffffffff80100000
 540
 541 #
 542 # Broadcom BCM47XX boards
 543 #
 544 core-$(CONFIG_BCM47XX)          += arch/mips/bcm47xx/
 545 cflags-$(CONFIG_BCM47XX)        += -I$(srctree)/arch/mips/include/asm/mach-bcm47xx
 546 load-$(CONFIG_BCM47XX)          := 0xffffffff80001000
 547
 548 #
 549 # SNI RM
 550 #
 551 core-$(CONFIG_SNI_RM)           += arch/mips/sni/
 552 cflags-$(CONFIG_SNI_RM)         += -I$(srctree)/arch/mips/include/asm/mach-rm
 553 ifdef CONFIG_CPU_LITTLE_ENDIAN
 554 load-$(CONFIG_SNI_RM)           += 0xffffffff80600000
 555 else
 556 load-$(CONFIG_SNI_RM)           += 0xffffffff80030000
 557 endif
 558 all-$(CONFIG_SNI_RM)            := vmlinux.ecoff
 559
 560 #
 561 # Common TXx9
 562 #
 563 core-$(CONFIG_MACH_TX39XX)      += arch/mips/txx9/generic/
 564 cflags-$(CONFIG_MACH_TX39XX) += -I$(srctree)/arch/mips/include/asm/mach-tx39xx
 565 load-$(CONFIG_MACH_TX39XX)      += 0xffffffff80050000
 566 core-$(CONFIG_MACH_TX49XX)      += arch/mips/txx9/generic/
 567 cflags-$(CONFIG_MACH_TX49XX) += -I$(srctree)/arch/mips/include/asm/mach-tx49xx
 568 load-$(CONFIG_MACH_TX49XX)      += 0xffffffff80100000
 569
 570 #
 571 # Toshiba JMR-TX3927 board
 572 #
 573 core-$(CONFIG_TOSHIBA_JMR3927)  += arch/mips/txx9/jmr3927/
 574
 575 #
 576 # Routerboard 532 board
 577 #
 578 core-$(CONFIG_MIKROTIK_RB532)   += arch/mips/rb532/
 579 cflags-$(CONFIG_MIKROTIK_RB532) += -I$(srctree)/arch/mips/include/asm/mach-rc32434
 580 load-$(CONFIG_MIKROTIK_RB532)   += 0xffffffff80101000
 581
 582 #
 583 # Toshiba RBTX49XX boards
 584 #
 585 core-$(CONFIG_TOSHIBA_RBTX4927) += arch/mips/txx9/rbtx4927/
 586 core-$(CONFIG_TOSHIBA_RBTX4938) += arch/mips/txx9/rbtx4938/
 587 core-$(CONFIG_TOSHIBA_RBTX4939) += arch/mips/txx9/rbtx4939/
 588
 589 cflags-y                        += -I$(srctree)/arch/mips/include/asm/mach-generic
 590 drivers-$(CONFIG_PCI)           += arch/mips/pci/
 591
 592 ifdef CONFIG_32BIT
 593 ifdef CONFIG_CPU_LITTLE_ENDIAN
 594 JIFFIES                 = jiffies_64
 595 else
 596 JIFFIES                 = jiffies_64 + 4
 597 endif
 598 else
 599 JIFFIES                 = jiffies_64
 600 endif
 601
 602 #
 603 # Automatically detect the build format. By default we choose
 604 # the elf format according to the load address.
 605 # We can always force a build with a 64-bits symbol format by
 606 # passing 'KBUILD_SYM32=no' option to the make's command line.
 607 #
 608 ifdef CONFIG_64BIT
 609   ifndef KBUILD_SYM32
 610     ifeq ($(shell expr $(load-y) \< 0xffffffff80000000), 0)
 611       KBUILD_SYM32 = y
 612     endif
 613   endif
 614
 615   ifeq ($(KBUILD_SYM32)$(call cc-option-yn,-msym32), yy)
 616     cflags-y += -msym32 -DKBUILD_64BIT_SYM32
 617   else
 618     ifeq ($(CONFIG_CPU_DADDI_WORKAROUNDS), y)
 619       $(error CONFIG_CPU_DADDI_WORKAROUNDS unsupported without -msym32)
 620     endif
 621   endif
 622 endif
 623
 624 KBUILD_AFLAGS   += $(cflags-y)
 625 KBUILD_CFLAGS   += $(cflags-y) \
 626                         -D"VMLINUX_LOAD_ADDRESS=$(load-y)"
 627
 628 LDFLAGS                 += -m $(ld-emul)
 629
 630 ifdef CONFIG_MIPS
 631 CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -xc /dev/null | \
 632         egrep -vw '__GNUC_(|MINOR_|PATCHLEVEL_)_' | \
 633         sed -e 's/^\#define /-D/' -e "s/ /='/" -e "s/$$/'/")
 634 ifdef CONFIG_64BIT
 635 CHECKFLAGS              += -m64
 636 endif
 637 endif
 638
 639 OBJCOPYFLAGS            += --remove-section=.reginfo
 640
 641 #
 642 # Choosing incompatible machines durings configuration will result in
 643 # error messages during linking.  Select a default linkscript if
 644 # none has been choosen above.
 645 #
 646
 647 CPPFLAGS_vmlinux.lds := \
 648         $(KBUILD_CFLAGS) \
 649         -D"LOADADDR=$(load-y)" \
 650         -D"JIFFIES=$(JIFFIES)" \
 651         -D"DATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0)"
 652
 653 head-y := arch/mips/kernel/head.o arch/mips/kernel/init_task.o
 654
 655 libs-y                  += arch/mips/lib/
 656
 657 core-y                  += arch/mips/kernel/ arch/mips/mm/ arch/mips/math-emu/
 658
 659 drivers-$(CONFIG_OPROFILE)      += arch/mips/oprofile/
 660
 661 ifdef CONFIG_LASAT
 662 rom.bin rom.sw: vmlinux
 663         $(Q)$(MAKE) $(build)=arch/mips/lasat/image $@
 664 endif
 665
 666 #
 667 # Some machines like the Indy need 32-bit ELF binaries for booting purposes.
 668 # Other need ECOFF, so we build a 32-bit ELF binary for them which we then
 669 # convert to ECOFF using elf2ecoff.
 670 #
 671 vmlinux.32: vmlinux
 672         $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@
 673
 674 #
 675 # The 64-bit ELF tools are pretty broken so at this time we generate 64-bit
 676 # ELF files from 32-bit files by conversion.
 677 #
 678 vmlinux.64: vmlinux
 679         $(OBJCOPY) -O $(64bit-bfd) $(OBJCOPYFLAGS) $< $@
 680
 681 makeboot =$(Q)$(MAKE) $(build)=arch/mips/boot VMLINUX=$(vmlinux-32) $(1)
 682
 683 all:    $(all-y)
 684
 685 vmlinux.bin: $(vmlinux-32)
 686         +@$(call makeboot,$@)
 687
 688 vmlinux.ecoff: $(vmlinux-32)
 689         +@$(call makeboot,$@)
 690
 691 vmlinux.srec: $(vmlinux-32)
 692         +@$(call makeboot,$@)
 693
 694 CLEAN_FILES += vmlinux.ecoff \
 695                vmlinux.srec
 696
 697 archprepare:
 698 ifdef CONFIG_MIPS32_N32
 699         @echo '  Checking missing-syscalls for N32'
 700         $(Q)$(MAKE) $(build)=. missing-syscalls EXTRA_CFLAGS="-mabi=n32"
 701 endif
 702 ifdef CONFIG_MIPS32_O32
 703         @echo '  Checking missing-syscalls for O32'
 704         $(Q)$(MAKE) $(build)=. missing-syscalls EXTRA_CFLAGS="-mabi=32"
 705 endif
 706
 707 archclean:
 708         @$(MAKE) $(clean)=arch/mips/boot
 709         @$(MAKE) $(clean)=arch/mips/lasat
 710
 711 define archhelp
 712         echo '  vmlinux.ecoff        - ECOFF boot image'
 713         echo '  vmlinux.bin          - Raw binary boot image'
 714         echo '  vmlinux.srec         - SREC boot image'
 715         echo
 716         echo '  These will be default as apropriate for a configured platform.'
 717 endef
 718
 719 CLEAN_FILES += vmlinux.32 \
 720                vmlinux.64 \
 721                vmlinux.ecoff