| 1 | MIPS_TARGET=mipsel-linux-gnu
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| 2 |
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| 3 | MIPS_CC_DIR=/usr/local/mipsel/bin
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| 4 | MIPS_BINUTILS_DIR=/usr/local/mipsel/bin
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| 5 |
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| 6 | CC=$(MIPS_CC_DIR)/$(MIPS_TARGET)-gcc
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| 7 | AS=$(MIPS_BINUTILS_DIR)/$(MIPS_TARGET)-as
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| 8 | LD=$(MIPS_BINUTILS_DIR)/$(MIPS_TARGET)-ld
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| 9 | OBJDUMP=$(MIPS_BINUTILS_DIR)/$(MIPS_TARGET)-objdump
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| 10 | OBJCOPY=$(MIPS_BINUTILS_DIR)/$(MIPS_TARGET)-objcopy
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| 11 | BFD_NAME=elf32-tradlittlemips
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| 12 | BFD_ARCH=mips
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| 13 |
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| 14 | DEFS=-DARCH=$(ARCH) -DMACHINE=${MACHINE} -DKERNEL_LOAD_ADDRESS=${KERNEL_LOAD_ADDRESS}
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| 15 | CFLAGS=$(DEFS) -mno-abicalls -G 0 -nostdlib -fno-builtin -O2 -fno-zero-initialized-in-bss
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| 16 | LFLAGS=-M -N
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| 17 |
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| 18 | # It seems that on big endian either GCC or the simulators
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| 19 | # have the swl/swr/lwl/lwr instructions wrong. Just for sure,
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| 20 | # disable it with -mmemcpy (force calling memcpy instead of inlining)
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| 21 |
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| 22 | ifeq (${MACHINE},indy)
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| 23 | CFLAGS += -EB -mmemcpy -DBIG_ENDIAN -DHAVE_FPU -DFPU_LAZY -march=r4600
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| 24 | BFD = ecoff-bigmips
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| 25 | KERNEL_LOAD_ADDRESS = 0x88002000
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| 26 | endif
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| 27 |
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| 28 | ifeq (${MACHINE},lgxemul)
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| 29 | CFLAGS += -DHAVE_FPU -DFPU_LAZY -mips3
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| 30 | BFD = ecoff-littlemips
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| 31 | KERNEL_LOAD_ADDRESS = 0x80100000
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| 32 | endif
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| 33 |
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| 34 | ifeq (${MACHINE},bgxemul)
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| 35 | CFLAGS += -EB -mmemcpy -DBIG_ENDIAN -DHAVE_FPU -DFPU_LAZY -mips3
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| 36 | BFD = ecoff-bigmips
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| 37 | KERNEL_LOAD_ADDRESS = 0x80100000
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| 38 | endif
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| 39 |
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| 40 | # MSIM needs lwl/swl patch & 4kc instruction patch to work
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| 41 | # otherwise add -mmemcpy -mips3
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| 42 | ifeq (${MACHINE},msim)
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| 43 | BFD = binary
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| 44 | CFLAGS += -msoft-float -march=4kc
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| 45 | KERNEL_LOAD_ADDRESS = 0x80100000
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| 46 | endif
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| 47 |
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| 48 | # SIMICS 4kc emulation is broken, although for instructions
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| 49 | # that do not bother us
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| 50 | ifeq (${MACHINE},simics)
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| 51 | BFD = elf32-little
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| 52 | CFLAGS += -msoft-float -mips3
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| 53 | KERNEL_LOAD_ADDRESS = 0x80100000
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| 54 | endif
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| 55 |
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| 56 | ../arch/$(ARCH)/_link.ld: ../arch/$(ARCH)/_link.ld.in
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| 57 | $(CC) $(CFLAGS) -C -DBFD=${BFD} -E -x c $< | grep -v "^\#" > $@
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| 58 |
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| 59 | arch_sources= \
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| 60 | arch/start.S \
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| 61 | arch/context.S \
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| 62 | arch/panic.S \
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| 63 | arch/mips.c \
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| 64 | arch/dummy.S \
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| 65 | arch/console.c \
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| 66 | arch/asm.S \
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| 67 | arch/exception.c \
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| 68 | arch/interrupt.c \
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| 69 | arch/cache.c \
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| 70 | arch/cpu/cpu.c \
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| 71 | arch/mm/frame.c \
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| 72 | arch/mm/page.c \
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| 73 | arch/mm/tlb.c \
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| 74 | arch/fpu_context.c \
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| 75 | arch/fmath.c
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