arch/mips64/Makefile

   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) 2002  Maciej W. Rozycki
   7 #
   8 # This file is included by the global makefile so that you can add your own
   9 # architecture-specific flags and dependencies. Remember to do have actions
  10 # for "archclean" cleaning up for this architecture.
  11 #
  12
  13 #
  14 # Select the object file format to substitute into the linker script.
  15 #
  16 ifdef CONFIG_CPU_LITTLE_ENDIAN
  17 tool-prefix     = mips64el-linux-
  18 32bit-bfd       = elf32-tradlittlemips
  19 64bit-bfd       = elf64-tradlittlemips
  20 else
  21 tool-prefix     = mips64-linux-
  22 32bit-bfd       = elf32-tradbigmips
  23 64bit-bfd       = elf64-tradbigmips
  24 endif
  25
  26 ifdef CONFIG_CROSSCOMPILE
  27 CROSS_COMPILE   = $(tool-prefix)
  28 endif
  29
  30 #
  31 # The ELF GCC uses -G 0 -mabicalls -fpic as default.  We don't need PIC
  32 # code in the kernel since it only slows down the whole thing.  For the
  33 # old GCC these options are just the defaults.  At some point we might
  34 # make use of global pointer optimizations.
  35 #
  36 # The DECStation requires an ECOFF kernel for remote booting, other MIPS
  37 # machines may also.  Since BFD is incredibly buggy with respect to
  38 # crossformat linking we rely on the elf2ecoff tool for format conversion.
  39 #
  40 cflags-y                        := -I $(TOPDIR)/include/asm/gcc
  41 cflags-y                        += -mabi=64 -G 0 -mno-abicalls -fno-pic -Wa,--trap -pipe
  42 LDFLAGS_vmlinux                 += -G 0 -static # -N
  43 MODFLAGS                        += -mlong-calls
  44
  45 cflags-$(CONFIG_KGDB)           += -g
  46 cflags-$(CONFIG_SB1XXX_CORELIS) += -mno-sched-prolog -fno-omit-frame-pointer
  47
  48 check_gcc = $(shell if $(AS) $(1) -o /dev/null -xc /dev/null > /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi)
  49 check_warning = $(shell if $(CC) $(1) -c -o /dev/null -xc /dev/null > /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi)
  50
  51 #
  52 # CPU-dependent compiler/assembler options for optimization.
  53 #
  54 cflags-$(CONFIG_CPU_R4300)      += -mcpu=r4300 -mips3
  55 cflags-$(CONFIG_CPU_R4X00)      += -mcpu=r4600 -mips3
  56 cflags-$(CONFIG_CPU_R5000)      += -mcpu=r8000 -mips4
  57 cflags-$(CONFIG_CPU_NEVADA)     += -mcpu=r8000 -mips3 -mmad
  58 cflags-$(CONFIG_CPU_RM7000)     += $(call check_gcc, -mcpu=r7000, -mcpu=r5000) \
  59                                    -mips4
  60 cflags-$(CONFIG_CPU_SB1)        += $(call check_gcc, -mcpu=sb1, -mcpu=r8000) \
  61                                    $(call check_gcc, -mips64, -mips4)
  62 cflags-$(CONFIG_CPU_R8000)      += -mcpu=r8000 -mips4
  63 cflags-$(CONFIG_CPU_R10000)     += -mcpu=r8000 -mips4
  64 ifdef CONFIG_CPU_SB1
  65 ifdef CONFIG_SB1_PASS_1_WORKAROUNDS
  66 MODFLAGS        += -msb1-pass1-workarounds
  67 endif
  68 endif
  69 # Should be used then we get a MIPS64 compiler
  70 #cflags-$(CONFIG_CPU_MIPS64)    += -mips64
  71 cflags-$(CONFIG_CPU_MIPS64)     += -mcpu=r8000 -mips4
  72
  73 #
  74 # ramdisk/initrd support
  75 # You need a compressed ramdisk image, named ramdisk.gz in
  76 # arch/mips/ramdisk
  77 #
  78 ifdef CONFIG_EMBEDDED_RAMDISK
  79 CORE_FILES      += arch/mips/ramdisk/ramdisk.o
  80 SUBDIRS         += arch/mips/ramdisk
  81 endif
  82
  83 #
  84 # Firmware support
  85 #
  86 libs-$(CONFIG_ARC)              += arch/mips/arc/
  87 libs-$(CONFIG_SIBYTE_CFE)       += arch/mips/sibyte/cfe/
  88
  89 #
  90 # Board-dependent options and extra files
  91 #
  92
  93 #
  94 # DECstation family
  95 #
  96 ifdef CONFIG_DECSTATION
  97 CORE_FILES      += arch/mips/dec/dec.o
  98 SUBDIRS         += arch/mips/dec arch/mips/dec/prom
  99 LIBS            += arch/mips/dec/prom/rexlib.a
 100 LOADADDR        := 0x80040000
 101 endif
 102
 103 #
 104 # MIPS Atlas board
 105 #
 106 core-$(CONFIG_MIPS_BOARDS_GEN)  += arch/mips/mips-boards/generic/
 107 core-$(CONFIG_MIPS_ATLAS)       += arch/mips/mips-boards/atlas/
 108 load-$(CONFIG_MIPS_ATLAS)       += 0x80100000
 109
 110 #
 111 # MIPS Malta board
 112 #
 113 core-$(CONFIG_MIPS_MALTA)       += arch/mips/mips-boards/malta/
 114 load-$(CONFIG_MIPS_MALTA)       += 0x80100000
 115
 116 #
 117 # MIPS SEAD board
 118 #
 119 core-$(CONFIG_MIPS_SEAD)        += arch/mips/mips-boards/sead/
 120 load-$(CONFIG_MIPS_SEAD)        += 0x80100000
 121
 122 #
 123 # Momentum Ocelot board
 124 #
 125 # The Ocelot setup.o must be linked early - it does the ioremap() for the
 126 # mips_io_port_base.
 127 #
 128 core-$(CONFIG_MOMENCO_OCELOT)   += arch/mips/gt64120/common/ \
 129                                    arch/mips/gt64120/momenco_ocelot/
 130 load-$(CONFIG_MOMENCO_OCELOT)   += 0x80100000
 131
 132 #
 133 # Momentum Ocelot-G board
 134 #
 135 # The Ocelot-G setup.o must be linked early - it does the ioremap() for the
 136 # mips_io_port_base.
 137 #
 138 core-$(CONFIG_MOMENCO_OCELOT_G) += arch/mips/momentum/ocelot_g/
 139 load-$(CONFIG_MOMENCO_OCELOT_G) += 0x80100000
 140
 141 #
 142 # Momentum Ocelot-C and -CS boards
 143 #
 144 # The Ocelot-C[S] setup.o must be linked early - it does the ioremap() for the
 145 # mips_io_port_base.
 146 core-$(CONFIG_MOMENCO_OCELOT_C) += arch/mips/momentum/ocelot_c/
 147 load-$(CONFIG_MOMENCO_OCELOT_C) += 0x80100000
 148
 149 #
 150 # SGI IP22 (Indy/Indigo2)
 151 #
 152 # Set the load address to >= 0x88069000 if you want to leave space for symmon,
 153 # 0x88004000 for production kernels.  Note that the value must be 16kb aligned
 154 # or the handling of the current variable will break.
 155 #
 156 core-$(CONFIG_SGI_IP22)         += arch/mips/sgi-ip22/
 157 load-$(CONFIG_SGI_IP22)         += 0x88004000
 158
 159 #
 160 # SGI-IP27 (Origin200/2000)
 161 #
 162 # Set the load address to >= 0xc000000000300000 if you want to leave space for
 163 # symmon, 0xc00000000001c000 for production kernels.  Note that the value
 164 # must be 16kb aligned or the handling of the current variable will break.
 165 #
 166 ifdef CONFIG_SGI_IP27
 167 core-$(CONFIG_SGI_IP27)         += arch/mips/sgi-ip27/
 168 #load-$(CONFIG_SGI_IP27)        += 0xa80000000001c000
 169 ifdef CONFIG_MAPPED_KERNEL
 170 load-$(CONFIG_SGI_IP27)         += 0xc001c000
 171 else
 172 load-$(CONFIG_SGI_IP27)         += 0x8001c000
 173 endif
 174 endif
 175
 176 #
 177 # SGI-IP32 (O2)
 178 #
 179 # Set the load address to >= 0x????????? if you want to leave space for symmon,
 180 # 0x80002000 for production kernels.  Note that the value must be 16kb aligned
 181 # or the handling of the current variable will break.
 182 #
 183 core-$(CONFIG_SGI_IP32)         += arch/mips/sgi-ip32/
 184 load-$(CONFIG_SGI_IP32)         += 0x80002000
 185
 186 #
 187 # Sibyte SB1250 SOC
 188 #
 189 # This is a LIB so that it links at the end, and initcalls are later
 190 # the sequence; but it is built as an object so that modules don't get
 191 # removed (as happens, even if they have __initcall/module_init)
 192 #
 193 core-$(CONFIG_SIBYTE_SB1250)    += arch/mips/sibyte/sb1250/
 194 ifdef CONFIG_SIBYTE_BCM112X
 195 ifdef CONFIG_MIPS_UNCACHED
 196 load-y  += 0xa0100000
 197 else
 198 load-y  += 0x80100000
 199 endif
 200 endif
 201 ifdef CONFIG_SIBYTE_SB1250
 202 ifdef CONFIG_MIPS_UNCACHED
 203 load-y  += 0xa0100000
 204 else
 205 load-y  += 0x80100000
 206 endif
 207 endif
 208
 209 #
 210 # Sibyte BCM91120x (Carmel) board
 211 # Sibyte BCM91120C (CRhine) board
 212 # Sibyte BCM91125C (CRhone) board
 213 # Sibyte BCM91125E (Rhone) board
 214 # Sibyte SWARM board
 215 #
 216 libs-$(CONFIG_SIBYTE_CARMEL)    += arch/mips/sibyte/swarm/
 217 load-$(CONFIG_SIBYTE_CARMEL)    := 0x80100000
 218 libs-$(CONFIG_SIBYTE_CRHINE)    += arch/mips/sibyte/swarm/
 219 load-$(CONFIG_SIBYTE_CRHINE)    := 0x80100000
 220 libs-$(CONFIG_SIBYTE_CRHONE)    += arch/mips/sibyte/swarm/
 221 load-$(CONFIG_SIBYTE_CRHONE)    := 0x80100000
 222 libs-$(CONFIG_SIBYTE_RHONE)     += arch/mips/sibyte/swarm/
 223 load-$(CONFIG_SIBYTE_RHONE)     := 0x80100000
 224 libs-$(CONFIG_SIBYTE_SENTOSA)   += arch/mips/sibyte/swarm/
 225 load-$(CONFIG_SIBYTE_SENTOSA)   := 0x80100000
 226 libs-$(CONFIG_SIBYTE_SWARM)     += arch/mips/sibyte/swarm/
 227 load-$(CONFIG_SIBYTE_SWARM)     := 0x80100000
 228
 229 #
 230 # SNI RM200 PCI
 231 #
 232 core-$(CONFIG_SNI_RM200_PCI)    += arch/mips/sni/
 233 load-$(CONFIG_SNI_RM200_PCI)    += 0x80080000
 234
 235 drivers-$(CONFIG_PCI)           += arch/mips/pci/
 236
 237 #
 238 # Some machines like the Indy need 32-bit ELF binaries for booting purposes.
 239 # Other need ECOFF, so we build a 32-bit ELF binary for them which we then
 240 # convert to ECOFF using elf2ecoff.
 241 #
 242 # The 64-bit ELF tools are pretty broken so at this time we generate 64-bit
 243 # ELF files from 32-bit files by conversion.
 244 #
 245 #AS += -64
 246 #LDFLAGS += -m elf64bmip
 247 cflags-$(CONFIG_BOOT_ELF32)     += -Wa,-32
 248 cflags-$(CONFIG_BOOT_ELF64)     += -Wa,-32
 249
 250 GRRR=-Wa,-mgp64
 251 cflags-$(CONFIG_BOOT_ELF32)    += -Wa,-32 $(call check_warning, $(GRRR),)
 252 cflags-$(CONFIG_BOOT_ELF64)    += -Wa,-32 $(call check_warning, $(GRRR),)
 253
 254 AFLAGS_vmlinux.lds.o := -imacros $(srctree)/include/asm-mips64/sn/mapped_kernel.h \
 255                 -D"LOADADDR=$(load-y)"
 256
 257 AFLAGS          += $(cflags-y)
 258 CFLAGS          += $(cflags-y)
 259
 260 LDFLAGS         += --oformat $(32bit-bfd)
 261 LDFLAGS_BLOB    := --format binary --oformat $(64bit-bfd)
 262
 263 head-y := arch/mips64/kernel/head.o arch/mips64/kernel/init_task.o
 264
 265 libs-y          += arch/mips64/lib/
 266 core-y          += arch/mips64/kernel/ arch/mips64/mm/ arch/mips/math-emu/
 267
 268 MAKEBOOT = $(MAKE) -C arch/$(ARCH)/boot
 269
 270 ifdef CONFIG_MAPPED_KERNEL
 271 vmlinux.64: vmlinux
 272         $(OBJCOPY) -O $(64bit-bfd) --change-addresses=0xbfffffff40000000 $< $@
 273 else
 274 vmlinux.64: vmlinux
 275         $(OBJCOPY) -O $(64bit-bfd) --change-addresses=0xa7ffffff80000000 $< $@
 276 endif
 277
 278 makeboot =$(Q)$(MAKE) -f scripts/Makefile.build obj=arch/mips/boot $(1)
 279
 280 #
 281 # SNI firmware is f*cked in interesting ways ...
 282 #
 283 ifdef CONFIG_SNI_RM200_PCI
 284 all:    vmlinux.rm200
 285 endif
 286
 287 vmlinux.ecoff vmlinux.rm200: vmlinux
 288         +@$(call makeboot,$@)
 289
 290 CLEAN_FILES += vmlinux.ecoff \
 291                vmlinux.rm200.tmp \
 292                vmlinux.rm200
 293
 294 archclean:
 295         @$(MAKE) -f scripts/Makefile.clean obj=arch/mips/boot
 296         @$(MAKE) -f scripts/Makefile.clean obj=arch/mips/baget
 297         @$(MAKE) -f scripts/Makefile.clean obj=arch/mips/lasat
 298
 299 archmrproper:
 300         @$(MAKEBOOT) mrproper
 301
 302 # Generate <asm/offset.h
 303 #
 304 # The default rule is suffering from funny problems on MIPS so we using our
 305 # own ...
 306 #
 307 # ---------------------------------------------------------------------------
 308
 309 define filechk_gen-asm-offset.h
 310         (set -e; \
 311          echo "#ifndef __ASM_OFFSET_H"; \
 312          echo "#define __ASM_OFFSET_H"; \
 313          echo "/*"; \
 314          echo " * DO NOT MODIFY."; \
 315          echo " *"; \
 316          echo " * This file was generated by arch/$(ARCH)/Makefile"; \
 317          echo " *"; \
 318          echo " */"; \
 319          echo ""; \
 320          sed -ne "/^@@@/s///p"; \
 321          echo "#endif /* __ASM_OFFSET_H */" )
 322 endef
 323
 324 prepare: include/asm-$(ARCH)/offset.h
 325
 326 arch/$(ARCH)/kernel/offset.s: include/asm include/linux/version.h \
 327                                    include/config/MARKER
 328
 329 include/asm-$(ARCH)/offset.h: arch/$(ARCH)/kernel/offset.s
 330         $(call filechk,gen-asm-offset.h)
 331
 332 CLEAN_FILES += include/asm-$(ARCH)/offset.h.tmp \
 333                include/asm-$(ARCH)/offset.h