| 1 | #
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| 2 | # Copyright (C) 2005 Martin Decky
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| 3 | # All rights reserved.
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| 4 | #
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| 5 | # Redistribution and use in source and binary forms, with or without
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| 6 | # modification, are permitted provided that the following conditions
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| 7 | # are met:
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| 8 | #
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| 9 | # - Redistributions of source code must retain the above copyright
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| 10 | # notice, this list of conditions and the following disclaimer.
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| 11 | # - Redistributions in binary form must reproduce the above copyright
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| 12 | # notice, this list of conditions and the following disclaimer in the
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| 13 | # documentation and/or other materials provided with the distribution.
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| 14 | # - The name of the author may not be used to endorse or promote products
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| 15 | # derived from this software without specific prior written permission.
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| 16 | #
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| 17 | # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | #
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| 28 |
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| 29 | ## Toolchain configuration
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| 30 | #
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| 31 |
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| 32 | BFD_ARCH = mips
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| 33 | TARGET = mipsel-linux-gnu
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| 34 | TOOLCHAIN_DIR = /usr/local/mipsel/bin
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| 35 |
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| 36 | ## Make some default assumptions
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| 37 | #
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| 38 |
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| 39 | ifndef MACHINE
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| 40 | MACHINE = msim
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| 41 | endif
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| 42 |
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| 43 | KERNEL_LOAD_ADDRESS = 0x80100000
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| 44 | INIT_ADDRESS = 0x80110000
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| 45 | INIT_SIZE = 65536
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| 46 | CFLAGS += -mno-abicalls -G 0 -fno-zero-initialized-in-bss
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| 47 | DEFS += -DMACHINE=${MACHINE} -DKERNEL_LOAD_ADDRESS=${KERNEL_LOAD_ADDRESS} -DINIT_ADDRESS=${INIT_ADDRESS} -DINIT_SIZE=${INIT_SIZE}
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| 48 |
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| 49 | ## Accepted MACHINEs
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| 50 | #
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| 51 |
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| 52 | ifeq ($(MACHINE),indy)
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| 53 | # GCC 4.0.1 compiled for mipsEL has problems compiling in
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| 54 | # BigEndian mode with the swl/swr/lwl/lwr instructions.
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| 55 | # We have to compile it with mips-sgi-irix5 to get it right.
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| 56 |
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| 57 | BFD_NAME = elf32-bigmips
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| 58 | BFD = ecoff-bigmips
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| 59 | TARGET = mips-sgi-irix5
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| 60 | TOOLCHAIN_DIR = /usr/local/mips/bin
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| 61 | KERNEL_LOAD_ADDRESS = 0x88002000
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| 62 | CFLAGS += -EB -DBIG_ENDIAN -DHAVE_FPU -march=r4600
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| 63 | endif
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| 64 | ifeq ($(MACHINE),lgxemul)
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| 65 | BFD_NAME=elf32-tradlittlemips
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| 66 | BFD = ecoff-littlemips
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| 67 | CFLAGS += -DHAVE_FPU -mips3
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| 68 | endif
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| 69 | ifeq ($(MACHINE),bgxemul)
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| 70 | BFD_NAME=elf32-bigmips
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| 71 | BFD = ecoff-bigmips
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| 72 | TARGET = mips-sgi-irix5
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| 73 | TOOLCHAIN_DIR = /usr/local/mips/bin
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| 74 | CFLAGS += -EB -DBIG_ENDIAN -DHAVE_FPU -mips3
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| 75 | endif
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| 76 | ifeq ($(MACHINE),msim4kc)
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| 77 | # MSIM needs lwl/swl patch & 4kc instruction patch to work
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| 78 | # otherwise add -mmemcpy -mips3
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| 79 |
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| 80 | BFD_NAME = elf32-tradlittlemips
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| 81 | BFD = binary
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| 82 | CFLAGS += -mhard-float -march=4kc
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| 83 | endif
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| 84 | ifeq ($(MACHINE),simics)
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| 85 | # SIMICS 4kc emulation is broken, although for instructions
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| 86 | # that do not bother us
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| 87 |
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| 88 | BFD_NAME = elf32-tradlittlemips
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| 89 | BFD = elf32-tradlittlemips
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| 90 | CFLAGS += -mhard-float -mips3
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| 91 | endif
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| 92 | ifeq ($(MACHINE),msim)
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| 93 | BFD_NAME = elf32-tradlittlemips
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| 94 | BFD = binary
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| 95 | CFLAGS += -mhard-float -mips3
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| 96 | endif
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| 97 |
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| 98 | ## Own configuration directives
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| 99 | #
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| 100 |
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| 101 | CONFIG_OFW = y
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| 102 |
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| 103 | ## Accepted configuration directives
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| 104 | #
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| 105 |
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| 106 | ifeq ($(CONFIG_FPU_LAZY),y)
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| 107 | DEFS += -DCONFIG_FPU_LAZY
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| 108 | endif
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| 109 |
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| 110 | ARCH_SOURCES = \
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| 111 | arch/$(ARCH)/src/start.S \
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| 112 | arch/$(ARCH)/src/context.S \
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| 113 | arch/$(ARCH)/src/panic.S \
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| 114 | arch/$(ARCH)/src/mips32.c \
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| 115 | arch/$(ARCH)/src/dummy.S \
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| 116 | arch/$(ARCH)/src/console.c \
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| 117 | arch/$(ARCH)/src/asm.S \
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| 118 | arch/$(ARCH)/src/exception.c \
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| 119 | arch/$(ARCH)/src/interrupt.c \
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| 120 | arch/$(ARCH)/src/cache.c \
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| 121 | arch/$(ARCH)/src/cpu/cpu.c \
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| 122 | arch/$(ARCH)/src/mm/asid.c \
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| 123 | arch/$(ARCH)/src/mm/frame.c \
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| 124 | arch/$(ARCH)/src/mm/page.c \
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| 125 | arch/$(ARCH)/src/mm/tlb.c \
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| 126 | arch/$(ARCH)/src/mm/vm.c \
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| 127 | arch/$(ARCH)/src/fpu_context.c \
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| 128 | arch/$(ARCH)/src/fmath.c \
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| 129 | arch/$(ARCH)/src/drivers/arc.c \
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| 130 | arch/$(ARCH)/src/drivers/keyboard.c
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