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1 | # |
1 | # |
2 | # Copyright (C) 2006 Martin Decky |
2 | # Copyright (C) 2006 Martin Decky |
3 | # All rights reserved. |
3 | # All rights reserved. |
4 | # |
4 | # |
5 | # Redistribution and use in source and binary forms, with or without |
5 | # Redistribution and use in source and binary forms, with or without |
6 | # modification, are permitted provided that the following conditions |
6 | # modification, are permitted provided that the following conditions |
7 | # are met: |
7 | # are met: |
8 | # |
8 | # |
9 | # - Redistributions of source code must retain the above copyright |
9 | # - Redistributions of source code must retain the above copyright |
10 | # notice, this list of conditions and the following disclaimer. |
10 | # notice, this list of conditions and the following disclaimer. |
11 | # - Redistributions in binary form must reproduce the above copyright |
11 | # - Redistributions in binary form must reproduce the above copyright |
12 | # notice, this list of conditions and the following disclaimer in the |
12 | # notice, this list of conditions and the following disclaimer in the |
13 | # documentation and/or other materials provided with the distribution. |
13 | # documentation and/or other materials provided with the distribution. |
14 | # - The name of the author may not be used to endorse or promote products |
14 | # - The name of the author may not be used to endorse or promote products |
15 | # derived from this software without specific prior written permission. |
15 | # derived from this software without specific prior written permission. |
16 | # |
16 | # |
17 | # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | # |
27 | # |
28 | 28 | ||
29 | ## Toolchain configuration |
29 | ## Toolchain configuration |
30 | # |
30 | # |
31 | 31 | ||
32 | TARGET = ppc-linux-gnu |
32 | TARGET = ppc-linux-gnu |
33 | TOOLCHAIN_DIR = /usr/local/ppc/bin |
33 | TOOLCHAIN_DIR = /usr/local/ppc/bin |
34 | 34 | ||
35 | ifeq ($(COMPILER),native) |
35 | ifeq ($(COMPILER),native) |
36 | CC = gcc |
36 | CC = gcc |
37 | AS = as |
37 | AS = as |
38 | LD = ld |
38 | LD = ld |
39 | OBJCOPY = objcopy |
39 | OBJCOPY = objcopy |
40 | OBJDUMP = objdump |
40 | OBJDUMP = objdump |
41 | else |
41 | else |
42 | CC = $(TOOLCHAIN_DIR)/$(TARGET)-gcc |
42 | CC = $(TOOLCHAIN_DIR)/$(TARGET)-gcc |
43 | AS = $(TOOLCHAIN_DIR)/$(TARGET)-as |
43 | AS = $(TOOLCHAIN_DIR)/$(TARGET)-as |
44 | LD = $(TOOLCHAIN_DIR)/$(TARGET)-ld |
44 | LD = $(TOOLCHAIN_DIR)/$(TARGET)-ld |
45 | OBJCOPY = $(TOOLCHAIN_DIR)/$(TARGET)-objcopy |
45 | OBJCOPY = $(TOOLCHAIN_DIR)/$(TARGET)-objcopy |
46 | OBJDUMP = $(TOOLCHAIN_DIR)/$(TARGET)-objdump |
46 | OBJDUMP = $(TOOLCHAIN_DIR)/$(TARGET)-objdump |
47 | endif |
47 | endif |
48 | 48 | ||
49 | CFLAGS = -nostdinc -nostdlib -fno-builtin -Werror-implicit-function-declaration -Wmissing-prototypes -Werror -O3 |
49 | CFLAGS = -nostdinc -nostdlib -fno-builtin -Werror-implicit-function-declaration -Wmissing-prototypes -Werror -O3 |
- | 50 | DEFS = |
|
50 | 51 | ||
51 | SOURCES = \ |
52 | SOURCES = \ |
52 | main.c \ |
53 | main.c \ |
53 | ofw.c \ |
54 | ofw.c \ |
54 | printf.c \ |
55 | printf.c \ |
55 | boot.S |
56 | boot.S |
56 | 57 | ||
57 | OBJECTS := $(addsuffix .o,$(basename $(SOURCES))) |
58 | OBJECTS := $(addsuffix .o,$(basename $(SOURCES))) |
58 | 59 | ||
- | 60 | .PHONY: all clean depend |
|
- | 61 | ||
- | 62 | all: ../image.boot |
|
- | 63 | ||
- | 64 | -include Makefile.depend |
|
- | 65 | ||
59 | loader.bin: $(OBJECTS) |
66 | ../image.boot: depend $(OBJECTS) kernel.o |
60 | $(LD) -no-check-sections -N -T _link.ld $(OBJECTS) -o $@ |
67 | $(LD) -no-check-sections -N -T _link.ld $(OBJECTS) kernel.o -o $@ |
- | 68 | ||
- | 69 | depend: |
|
- | 70 | -makedepend $(DEFS) $(CFLAGS) -f - $(SOURCES) > Makefile.depend 2> /dev/null |
|
61 | 71 | ||
62 | clean: |
72 | clean: |
63 | -rm -f $(OBJECTS) loader.bin |
73 | -rm -f $(OBJECTS) ../image.boot kernel.o Makefile.depend |
- | 74 | ||
- | 75 | kernel.o: $(KERNEL) |
|
- | 76 | $(OBJCOPY) -I binary -O elf32-powerpc -B powerpc $(KERNEL) $@ |
|
64 | 77 | ||
65 | %.o: %.S |
78 | %.o: %.S |
66 | $(CC) $(DEFS) $(CFLAGS) -D__ASM__ -c $< -o $@ |
79 | $(CC) $(DEFS) $(CFLAGS) -D__ASM__ -c $< -o $@ |
67 | 80 | ||
68 | %.o: %.c |
81 | %.o: %.c |
69 | $(CC) $(DEFS) $(CFLAGS) -c $< -o $@ |
82 | $(CC) $(DEFS) $(CFLAGS) -c $< -o $@ |
70 | 83 |