[3c1dec0] | 1 | #
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| 2 | # Copyright (C) 2006 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 | TARGET = ppc-linux-gnu
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| 33 | TOOLCHAIN_DIR = /usr/local/ppc/bin
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| 34 |
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| 35 | ifeq ($(COMPILER),native)
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| 36 | CC = gcc
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| 37 | AS = as
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| 38 | LD = ld
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| 39 | OBJCOPY = objcopy
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| 40 | OBJDUMP = objdump
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| 41 | else
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| 42 | CC = $(TOOLCHAIN_DIR)/$(TARGET)-gcc
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| 43 | AS = $(TOOLCHAIN_DIR)/$(TARGET)-as
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| 44 | LD = $(TOOLCHAIN_DIR)/$(TARGET)-ld
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| 45 | OBJCOPY = $(TOOLCHAIN_DIR)/$(TARGET)-objcopy
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| 46 | OBJDUMP = $(TOOLCHAIN_DIR)/$(TARGET)-objdump
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| 47 | endif
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| 48 |
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[a9d5a77] | 49 | CFLAGS = -nostdinc -nostdlib -fno-builtin -Werror-implicit-function-declaration -Wmissing-prototypes -Werror -O3 -mcpu=powerpc -msoft-float -m32
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[d81e6bdf] | 50 | DEFS =
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[3c1dec0] | 51 |
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| 52 | SOURCES = \
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| 53 | main.c \
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| 54 | ofw.c \
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| 55 | printf.c \
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[5eb84ab] | 56 | asm.S \
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[3c1dec0] | 57 | boot.S
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| 58 |
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| 59 | OBJECTS := $(addsuffix .o,$(basename $(SOURCES)))
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| 60 |
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[d81e6bdf] | 61 | .PHONY: all clean depend
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| 62 |
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[75a3095] | 63 | all: image.boot
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[d81e6bdf] | 64 |
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| 65 | -include Makefile.depend
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| 66 |
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[63f5cd6] | 67 | image.boot: depend $(OBJECTS) kernel.o init.o
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| 68 | $(LD) -no-check-sections -N -T _link.ld $(OBJECTS) kernel.o init.o -o $@
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[d81e6bdf] | 69 |
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| 70 | depend:
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| 71 | -makedepend $(DEFS) $(CFLAGS) -f - $(SOURCES) > Makefile.depend 2> /dev/null
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[3c1dec0] | 72 |
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| 73 | clean:
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[63f5cd6] | 74 | -rm -f $(OBJECTS) image.boot kernel.o init.o Makefile.depend
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[d81e6bdf] | 75 |
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| 76 | kernel.o: $(KERNEL)
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[63f5cd6] | 77 | $(OBJCOPY) -I binary -O elf32-powerpc -B powerpc:common --rename-section .data=.kernel_image $(KERNEL) $@
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| 78 |
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| 79 | init.o: $(INIT)
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| 80 | $(OBJCOPY) -I binary -O elf32-powerpc -B powerpc:common --rename-section .data=.init_image $(INIT) $@
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[3c1dec0] | 81 |
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| 82 | %.o: %.S
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| 83 | $(CC) $(DEFS) $(CFLAGS) -D__ASM__ -c $< -o $@
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| 84 |
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| 85 | %.o: %.c
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| 86 | $(CC) $(DEFS) $(CFLAGS) -c $< -o $@
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