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885 | decky | 1 | # |
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 | |||
29 | ## Toolchain configuration |
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30 | # |
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31 | |||
32 | TARGET = ppc-linux-gnu |
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33 | TOOLCHAIN_DIR = /usr/local/ppc/bin |
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34 | |||
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 | |||
1275 | decky | 49 | CFLAGS = -nostdinc -nostdlib -fno-builtin -Werror-implicit-function-declaration -Wmissing-prototypes -Werror -O3 -mcpu=powerpc -msoft-float -m32 |
887 | decky | 50 | DEFS = |
885 | decky | 51 | |
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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913 | decky | 56 | asm.S \ |
885 | decky | 57 | boot.S |
58 | |||
59 | OBJECTS := $(addsuffix .o,$(basename $(SOURCES))) |
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60 | |||
887 | decky | 61 | .PHONY: all clean depend |
885 | decky | 62 | |
933 | decky | 63 | all: image.boot |
887 | decky | 64 | |
65 | -include Makefile.depend |
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66 | |||
1219 | decky | 67 | image.boot: depend $(OBJECTS) kernel.o init.o |
68 | $(LD) -no-check-sections -N -T _link.ld $(OBJECTS) kernel.o init.o -o $@ |
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887 | decky | 69 | |
70 | depend: |
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71 | -makedepend $(DEFS) $(CFLAGS) -f - $(SOURCES) > Makefile.depend 2> /dev/null |
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72 | |||
885 | decky | 73 | clean: |
1219 | decky | 74 | -rm -f $(OBJECTS) image.boot kernel.o init.o Makefile.depend |
885 | decky | 75 | |
887 | decky | 76 | kernel.o: $(KERNEL) |
1219 | decky | 77 | $(OBJCOPY) -I binary -O elf32-powerpc -B powerpc:common --rename-section .data=.kernel_image $(KERNEL) $@ |
887 | decky | 78 | |
1219 | decky | 79 | init.o: $(INIT) |
80 | $(OBJCOPY) -I binary -O elf32-powerpc -B powerpc:common --rename-section .data=.init_image $(INIT) $@ |
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81 | |||
885 | decky | 82 | %.o: %.S |
83 | $(CC) $(DEFS) $(CFLAGS) -D__ASM__ -c $< -o $@ |
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84 | |||
85 | %.o: %.c |
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86 | $(CC) $(DEFS) $(CFLAGS) -c $< -o $@ |