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130 decky 1 
MIPS_TARGET=mipsel-linux-gnu
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MIPS_CC_DIR=/usr/local/mipsel/bin
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MIPS_BINUTILS_DIR=/usr/local/mipsel/bin
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CC=$(MIPS_CC_DIR)/$(MIPS_TARGET)-gcc
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AS=$(MIPS_BINUTILS_DIR)/$(MIPS_TARGET)-as
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LD=$(MIPS_BINUTILS_DIR)/$(MIPS_TARGET)-ld
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OBJDUMP=$(MIPS_BINUTILS_DIR)/$(MIPS_TARGET)-objdump
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OBJCOPY=$(MIPS_BINUTILS_DIR)/$(MIPS_TARGET)-objcopy
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BFD_ARCH=mips
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DEFS=-DARCH=$(ARCH) -DMACHINE=${MACHINE} -DKERNEL_LOAD_ADDRESS=${KERNEL_LOAD_ADDRESS}
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CFLAGS=$(DEFS) -mno-abicalls -G 0 -nostdlib -fno-builtin -O2  -fno-zero-initialized-in-bss
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LFLAGS=-M -N
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BFD_ARCH=mips
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# GCC 4.0.1 compiled for mipsEL has problems compiling in
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# BigEndian mode with the swl/swr/lwl/lwr instructions.
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# We have to compile it with mips-sgi-irix5 to get it right.
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ifeq (${MACHINE},indy)
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 MIPS_TARGET=mips-sgi-irix5
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 MIPS_CC_DIR=/usr/local/mips/bin
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 MIPS_BINUTILS_DIR=/usr/local/mips/bin
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 CFLAGS += -EB -DBIG_ENDIAN -DHAVE_FPU -DFPU_LAZY -march=r4600
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 BFD = ecoff-bigmips
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 KERNEL_LOAD_ADDRESS = 0x88002000
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 BFD_NAME=elf32-big
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endif
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ifeq (${MACHINE},lgxemul)
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 CFLAGS += -DHAVE_FPU -DFPU_LAZY -mips3
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 BFD = ecoff-littlemips
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 KERNEL_LOAD_ADDRESS = 0x80100000
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 BFD_NAME=elf32-little
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endif
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ifeq (${MACHINE},bgxemul)
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 MIPS_TARGET=mips-sgi-irix5
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 MIPS_CC_DIR=/usr/local/mips/bin
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 MIPS_BINUTILS_DIR=/usr/local/mips/bin
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 CFLAGS += -EB -DBIG_ENDIAN -DHAVE_FPU -DFPU_LAZY -mips3
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 BFD = ecoff-bigmips
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 KERNEL_LOAD_ADDRESS = 0x80100000
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 BFD_NAME=elf32-big
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endif
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# MSIM needs lwl/swl patch & 4kc instruction patch to work
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# otherwise add -mmemcpy -mips3
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ifeq (${MACHINE},msim)
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 BFD = binary
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 CFLAGS += -msoft-float -march=4kc
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 KERNEL_LOAD_ADDRESS = 0x80100000
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 BFD_NAME=elf32-little
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endif
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# SIMICS 4kc emulation is broken, although for instructions
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# that do not bother us
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ifeq (${MACHINE},simics)
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 BFD = elf32-little
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 CFLAGS += -msoft-float -mips3
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 KERNEL_LOAD_ADDRESS = 0x80100000
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 BFD_NAME=elf32-little
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endif
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../arch/$(ARCH)/_link.ld: ../arch/$(ARCH)/_link.ld.in
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	$(CC) $(CFLAGS) -C -DBFD=${BFD} -E -x c $< | grep -v "^\#" > $@
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arch_sources= \
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	arch/start.S \
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	arch/context.S \
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	arch/panic.S \
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	arch/mips.c \
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	arch/dummy.S \
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	arch/console.c \
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	arch/asm.S \
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	arch/exception.c \
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	arch/interrupt.c \
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	arch/cache.c \
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	arch/cpu/cpu.c \
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	arch/mm/frame.c \
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	arch/mm/page.c \
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	arch/mm/tlb.c \
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	arch/fpu_context.c \
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	arch/fmath.c \
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	arch/drivers/arc.c