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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 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 | |||
| 49 | CFLAGS = -nostdinc -nostdlib -fno-builtin -Werror-implicit-function-declaration -Wmissing-prototypes -Werror -O3 |
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| 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 | |||
| 933 | decky | 67 | image.boot: depend $(OBJECTS) kernel.o |
| 1058 | decky | 68 | $(LD) -no-check-sections -N -T _link.ld $(OBJECTS) kernel.o -o $@ |
| 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: |
| 933 | decky | 74 | -rm -f $(OBJECTS) image.boot kernel.o Makefile.depend |
| 885 | decky | 75 | |
| 887 | decky | 76 | kernel.o: $(KERNEL) |
| 1058 | decky | 77 | $(OBJCOPY) -I binary -O elf32-powerpc -B powerpc --rename-section .data=.image $(KERNEL) $@ |
| 887 | decky | 78 | |
| 885 | decky | 79 | %.o: %.S |
| 80 | $(CC) $(DEFS) $(CFLAGS) -D__ASM__ -c $< -o $@ |
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| 81 | |||
| 82 | %.o: %.c |
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| 83 | $(CC) $(DEFS) $(CFLAGS) -c $< -o $@ |