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1 | # |
1 | # |
2 | # Copyright (C) 2005 Martin Decky |
2 | # Copyright (C) 2005 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 | ## Common compiler flags |
29 | ## Common compiler flags |
30 | # |
30 | # |
31 | 31 | ||
32 | LIBC_PREFIX = . |
32 | LIBC_PREFIX = . |
33 | DEFS = -DARCH=$(ARCH) |
- | |
34 | CFLAGS = -fno-builtin -fomit-frame-pointer -Werror-implicit-function-declaration -Wmissing-prototypes -Werror -O3 -nostdlib -nostdinc -I$(LIBC_PREFIX)/include |
- | |
35 | LFLAGS = -M |
- | |
36 | AFLAGS = |
- | |
37 | 33 | ||
38 | ## Setup toolchain |
34 | ## Setup toolchain |
39 | # |
35 | # |
40 | 36 | ||
41 | include $(LIBC_PREFIX)/Makefile.toolchain |
37 | include $(LIBC_PREFIX)/Makefile.toolchain |
42 | 38 | ||
43 | ## Sources |
39 | ## Sources |
44 | # |
40 | # |
45 | 41 | ||
46 | GENERIC_SOURCES = \ |
42 | GENERIC_SOURCES = \ |
47 | generic/libc.c |
43 | generic/libc.c \ |
- | 44 | generic/io.c |
|
48 | 45 | ||
49 | ARCH_SOURCES = \ |
46 | ARCH_SOURCES = \ |
50 | arch/$(ARCH)/entry.s \ |
47 | arch/$(ARCH)/src/entry.s \ |
51 | arch/$(ARCH)/syscall.c |
48 | arch/$(ARCH)/src/syscall.c |
52 | 49 | ||
53 | GENERIC_OBJECTS := $(addsuffix .o,$(basename $(GENERIC_SOURCES))) |
50 | GENERIC_OBJECTS := $(addsuffix .o,$(basename $(GENERIC_SOURCES))) |
54 | ARCH_OBJECTS := $(addsuffix .o,$(basename $(ARCH_SOURCES))) |
51 | ARCH_OBJECTS := $(addsuffix .o,$(basename $(ARCH_SOURCES))) |
55 | 52 | ||
56 | .PHONY: all clean depend |
53 | .PHONY: all clean depend |
57 | 54 | ||
58 | all: libc.a _link.ld |
55 | all: libc.a _link.ld |
59 | 56 | ||
60 | -include Makefile.depend |
57 | -include Makefile.depend |
61 | 58 | ||
62 | clean: |
59 | clean: |
63 | -rm -f libc.a _link.ld Makefile.depend |
60 | -rm -f libc.a _link.ld Makefile.depend |
64 | find generic/ arch/$(ARCH)/ -name '*.o' -follow -exec rm \{\} \; |
61 | find generic/ arch/$(ARCH)/ -name '*.o' -follow -exec rm \{\} \; |
65 | 62 | ||
66 | depend: |
63 | depend: |
67 | $(CC) $(DEFS) $(CFLAGS) -M $(ARCH_SOURCES) $(GENERIC_SOURCES) > Makefile.depend |
64 | $(CC) $(DEFS) $(CFLAGS) -M $(ARCH_SOURCES) $(GENERIC_SOURCES) > Makefile.depend |
68 | 65 | ||
69 | libc.a: depend $(ARCH_OBJECTS) $(GENERIC_OBJECTS) |
66 | libc.a: depend $(ARCH_OBJECTS) $(GENERIC_OBJECTS) |
70 | $(AR) rc libc.a $(ARCH_OBJECTS) $(GENERIC_OBJECTS) |
67 | $(AR) rc libc.a $(ARCH_OBJECTS) $(GENERIC_OBJECTS) |
71 | 68 | ||
72 | _link.ld: _link.ld.in |
69 | _link.ld: _link.ld.in |
73 | $(CC) $(DEFS) $(CFLAGS) -E -x c $< | grep -v "^\#" > $@ |
70 | $(CC) $(DEFS) $(CFLAGS) -E -x c $< | grep -v "^\#" > $@ |
74 | 71 | ||
75 | %.o: %.S |
72 | %.o: %.S |
76 | $(CC) $(DEFS) $(AFLAGS) $(CFLAGS) -D__ASM__ -c $< -o $@ |
73 | $(CC) $(DEFS) $(AFLAGS) $(CFLAGS) -D__ASM__ -c $< -o $@ |
77 | 74 | ||
78 | %.o: %.s |
75 | %.o: %.s |
79 | $(AS) $(AFLAGS) $< -o $@ |
76 | $(AS) $(AFLAGS) $< -o $@ |
80 | 77 | ||
81 | %.o: %.c |
78 | %.o: %.c |
82 | $(CC) $(DEFS) $(CFLAGS) -c $< -o $@ |
79 | $(CC) $(DEFS) $(CFLAGS) -c $< -o $@ |
83 | 80 |