Makefile.mips
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上传日期:2010-01-21
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- # This material is inherited from the Linux Makefile: arch/mips/Makefile:
- #
- ifdef CONFIG_CPU_LITTLE_ENDIAN
- tool-prefix = mipsel-linux-
- else
- tool-prefix = mips-linux-
- endif
- ifdef CONFIG_CROSSCOMPILE
- CROSS_COMPILE = $(tool-prefix)
- endif
- #
- # The ELF GCC uses -G0 -mabicalls -fpic as default. We don't need PIC
- # code in the kernel since it only slows down the whole thing. For the
- # old GCC these options are just the defaults. At some point we might
- # make use of global pointer optimizations.
- #
- # The DECStation requires an ECOFF kernel for remote booting, other MIPS
- # machines may also. Since BFD is incredibly buggy with respect to
- # crossformat linking we rely on the elf2ecoff tool for format conversion.
- #
- GCCFLAGS := -G 0 -mno-abicalls -fno-pic
- LINKFLAGS += -static -G 0
- MODFLAGS += -mlong-calls
- ifdef CONFIG_REMOTE_DEBUG
- CFLAGS := $(CFLAGS) -g
- endif
- #
- # CPU-dependent compiler/assembler options for optimization.
- #
- ifdef CONFIG_CPU_R3000
- GCCFLAGS += -mcpu=r3000 -mips1
- endif
- ifdef CONFIG_CPU_R6000
- GCCFLAGS += -mcpu=r6000 -mips2 -Wa,--trap
- endif
- ifdef CONFIG_CPU_R4300
- GCCFLAGS += -mcpu=r4300 -mips2 -Wa,--trap
- endif
- ifdef CONFIG_CPU_R4X00
- GCCFLAGS += -mcpu=r4600 -mips2 -Wa,--trap
- endif
- ifdef CONFIG_CPU_R5000
- GCCFLAGS += -mcpu=r8000 -mips2 -Wa,--trap
- endif
- ifdef CONFIG_CPU_NEVADA
- GCCFLAGS += -mcpu=r8000 -mips2 -Wa,--trap -mmad
- endif
- ifdef CONFIG_CPU_RM7000
- GCCFLAGS += -mcpu=r8000 -mips2 -Wa,--trap
- endif
- ifdef CONFIG_CPU_R8000
- GCCFLAGS += -mcpu=r8000 -mips2 -Wa,--trap
- endif
- ifdef CONFIG_CPU_R10000
- GCCFLAGS += -mcpu=r8000 -mips2 -Wa,--trap
- endif
- ifdef CONFIG_CPU_VR41XX
- CFLAGS += -mcpu=r4600 -mips2 -Wa,-m4100,--trap
- endif
- ifdef CONFIG_CPU_R39XX
- # if your toolchain supports this, change to
- # CFLAGS += -mcpu=r3900 -mips1
- CFLAGS += -mcpu=r3000 -mips1
- endif
- ifdef CONFIG_MIPS_FPU_EMULATOR
- CORE_FILES +=arch/mips/fpu_emulator/fpu_emulator.o
- SUBDIRS +=arch/mips/fpu_emulator
- endif
- #
- # The pipe options is bad for my low-mem machine
- # Uncomment this if you want this.
- #
- GCCFLAGS += -pipe
- CFLAGS += $(GCCFLAGS) $(MODFLAGS)
- AFLAGS += $(GCCFLAGS)
- #
- # Board-dependent options and extra files
- #
- ifdef CONFIG_ALGOR_P4032
- CORE_FILES += arch/mips/algor/algor.o
- SUBDIRS += arch/mips/algor
- #LOADADDR += 0x80000000
- endif
- #
- # DECstation family
- #
- ifdef CONFIG_DECSTATION
- CORE_FILES += arch/mips/dec/dec.o
- SUBDIRS += arch/mips/dec arch/mips/dec/prom
- LIBS += arch/mips/dec/prom/rexlib.a
- LOADADDR += 0x80040000
- endif
- #
- # Acer PICA 61, Mips Magnum 4000 and Olivetti M700.
- #
- ifdef CONFIG_MIPS_JAZZ
- CORE_FILES += arch/mips/jazz/jazz.o
- SUBDIRS += arch/mips/jazz arch/mips/arc
- LIBS += arch/mips/arc/arclib.a
- LOADADDR += 0x80080000
- endif
- ifdef CONFIG_COBALT_MICRO_SERVER
- ARCHIVES += arch/mips/cobalt/cobalt.o
- SUBDIRS += arch/mips/cobalt
- LOADADDR += 0x80000000
- endif
- ifdef CONFIG_SNI_RM200_PCI
- CORE_FILES += arch/mips/sni/sni.o
- SUBDIRS += arch/mips/sni arch/mips/arc
- LIBS += arch/mips/arc/arclib.a
- LOADADDR += 0x80080000
- endif
- ifdef CONFIG_SGI_IP22
- LIBS += arch/mips/sgi/kernel/sgikern.a arch/mips/arc/arclib.a
- SUBDIRS += arch/mips/sgi/kernel arch/mips/arc
- #
- # Set LOADADDR to >= 0x88069000 if you want to leave space for symmon,
- # 0x88002000 for production kernels. Note that the value must be
- # 8kb aligned or the handling of the current variable will break.
- #
- LOADADDR += 0x88002000
- endif
- #
- # Baget/MIPS
- #
- ifdef CONFIG_BAGET_MIPS
- SUBDIRS += arch/mips/baget arch/mips/baget/prom
- LIBS += arch/mips/baget/baget.a arch/mips/baget/prom/bagetlib.a
- LOADADDR += 0x80001000
- endif
- #
- # NEC DDB Vrc-5074
- #
- ifdef CONFIG_DDB5074
- SUBDIRS += arch/mips/ddb5074
- LIBS += arch/mips/ddb5074/ddb5074.a
- LOADADDR += 0x80080000
- endif
- #
- # Orion Board
- #
- ifdef CONFIG_ORION
- LIBS += arch/mips/orion/orionkern.a
- SUBDIRS += arch/mips/orion
- LINKSCRIPT = arch/mips/orion/ld.script.orion
- endif
- #
- # VR41XX-based devices
- #
- ifdef CONFIG_CPU_VR41XX
- CORE_FILES += arch/mips/vr41xx/vr41xx.o
- SUBDIRS += arch/mips/vr41xx
- # Link kernel just above exception vectors (default).
- LOADADDR = 0x80001000
- # arch/mips/config.in can provide .text and .data addresses.
- ifdef CONFIG_LINK_TEXT
- LOADADDR = $(CONFIG_LINK_TEXT)
- endif
- ifdef CONFIG_LINK_DATA
- DATAADDR = $(CONFIG_LINK_DATA)
- endif
- ifdef CONFIG_XIP_ROM
- ifndef CONFIG_LINK_TEXT
- # For XIP ROM, .text address is likely to vary from platform to platform,
- # and even from device to device depending on ROM configuration,
- # so instead of providing a default and giving a potententially
- # false sense of well-being, cause an error instead.
- LOADADDR = Error_no_link_text_address_specified_for_xip_rom.
- endif
- LINKSCRIPT = arch/mips/vr41xx/rom.lds
- endif
- endif
- #
- # R39XX-based devices
- #
- ifdef CONFIG_CPU_R39XX
- CORE_FILES += arch/mips/r39xx/r39xx.o
- SUBDIRS += arch/mips/r39xx arch/mips/r39xx/prom
- LIBS += arch/mips/r39xx/prom/r39xxlib.a
- ifdef CONFIG_VTECH_HELIO
- ifndef CONFIG_XIP_ROM
- # This is really a condition on whether we plan to use hfload. Fix later.
- # Stay away from the bootloader.
- LOADADDR += 0x80004000
- else
- LOADADDR = 0x80000000
- # arch/mips/config.in can provide .text and .data addresses.
- ifdef CONFIG_LINK_TEXT
- LOADADDR = $(CONFIG_LINK_TEXT)
- endif
- ifdef CONFIG_LINK_DATA
- DATAADDR = $(CONFIG_LINK_DATA)
- endif
- ifndef CONFIG_LINK_TEXT
- # For XIP ROM, .text address is likely to vary from platform to platform,
- # and even from device to device depending on ROM configuration,
- # so instead of providing a default and giving a potententially
- # false sense of well-being, cause an error instead.
- LOADADDR = Error_no_link_text_address_specified_for_xip_rom.
- endif
- LINKSCRIPT = arch/mips/r39xx/rom.lds
- endif
- endif
- endif
- # Choosing incompatible machines durings configuration will result in
- # error messages during linking. Select a default linkscript if
- # none has been choosen above.
- #
- ifndef LINKSCRIPT
- ifndef CONFIG_CPU_LITTLE_ENDIAN
- LINKSCRIPT = arch/mips/ld.script.big
- else
- LINKSCRIPT = arch/mips/ld.script.little
- endif
- endif
- LINKFLAGS += -T $(word 1,$(LINKSCRIPT))
- ifdef LOADADDR
- LINKFLAGS += -Ttext $(word 1,$(LOADADDR))
- endif
- ifdef DATAADDR
- LINKFLAGS += -Tdata $(word 1,$(DATAADDR))
- endif