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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 | ## Make some default assumptions |
29 | ## Make some default assumptions |
30 | # |
30 | # |
31 | 31 | ||
32 | ifndef ARCH |
32 | ifndef ARCH |
33 | ARCH = ia32 |
33 | ARCH = ia32 |
34 | endif |
34 | endif |
35 | 35 | ||
36 | ## Common compiler flags |
36 | ## Common compiler flags |
37 | # |
37 | # |
38 | 38 | ||
39 | DEFS = -DARCH=$(ARCH) |
39 | DEFS = -DARCH=$(ARCH) |
40 | CFLAGS = -fno-builtin -fomit-frame-pointer -Werror-implicit-function-declaration -Wmissing-prototypes -Werror -O3 -nostdlib -nostdinc -Iinclude |
40 | CFLAGS = -fno-builtin -fomit-frame-pointer -Werror-implicit-function-declaration -Wmissing-prototypes -Werror -O3 -nostdlib -nostdinc -Iinclude |
41 | LFLAGS = -M |
41 | LFLAGS = -M |
42 | AFLAGS = |
42 | AFLAGS = |
43 | 43 | ||
44 | ## Setup platform configuration |
44 | ## Setup platform configuration |
45 | # |
45 | # |
46 | 46 | ||
47 | include arch/$(ARCH)/Makefile.inc |
47 | include arch/$(ARCH)/Makefile.inc |
48 | 48 | ||
49 | ## Toolchain configuration |
49 | ## Toolchain configuration |
50 | # |
50 | # |
51 | 51 | ||
52 | ifeq ($(COMPILER),native) |
52 | ifeq ($(COMPILER),native) |
53 | CC = gcc |
53 | CC = gcc |
54 | AS = as |
54 | AS = as |
55 | LD = ld |
55 | LD = ld |
- | 56 | AR = ar |
|
56 | OBJCOPY = objcopy |
57 | OBJCOPY = objcopy |
57 | OBJDUMP = objdump |
58 | OBJDUMP = objdump |
58 | else |
59 | else |
59 | CC = $(TOOLCHAIN_DIR)/$(TARGET)-gcc |
60 | CC = $(TOOLCHAIN_DIR)/$(TARGET)-gcc |
60 | AS = $(TOOLCHAIN_DIR)/$(TARGET)-as |
61 | AS = $(TOOLCHAIN_DIR)/$(TARGET)-as |
61 | LD = $(TOOLCHAIN_DIR)/$(TARGET)-ld |
62 | LD = $(TOOLCHAIN_DIR)/$(TARGET)-ld |
- | 63 | AR = $(TOOLCHAIN_DIR)/$(TARGET)-ar |
|
62 | OBJCOPY = $(TOOLCHAIN_DIR)/$(TARGET)-objcopy |
64 | OBJCOPY = $(TOOLCHAIN_DIR)/$(TARGET)-objcopy |
63 | OBJDUMP = $(TOOLCHAIN_DIR)/$(TARGET)-objdump |
65 | OBJDUMP = $(TOOLCHAIN_DIR)/$(TARGET)-objdump |
64 | endif |
66 | endif |
65 | 67 | ||
66 | ## Sources |
68 | ## Sources |
67 | # |
69 | # |
68 | 70 | ||
69 | GENERIC_SOURCES = \ |
71 | GENERIC_SOURCES = \ |
70 | generic/libc.c |
72 | generic/libc.c |
71 | 73 | ||
72 | ARCH_SOURCES = \ |
74 | ARCH_SOURCES = \ |
73 | arch/$(ARCH)/entry.s |
75 | arch/$(ARCH)/entry.s |
74 | 76 | ||
75 | GENERIC_OBJECTS := $(addsuffix .o,$(basename $(GENERIC_SOURCES))) |
77 | GENERIC_OBJECTS := $(addsuffix .o,$(basename $(GENERIC_SOURCES))) |
76 | ARCH_OBJECTS := $(addsuffix .o,$(basename $(ARCH_SOURCES))) |
78 | ARCH_OBJECTS := $(addsuffix .o,$(basename $(ARCH_SOURCES))) |
77 | 79 | ||
78 | .PHONY: all clean depend boot |
80 | .PHONY: all clean depend |
79 | 81 | ||
80 | all: libc.a |
82 | all: libc.a |
81 | 83 | ||
82 | -include Makefile.depend |
84 | -include Makefile.depend |
83 | 85 | ||
84 | clean: |
86 | clean: |
85 | -rm -f libc.a |
87 | -rm -f libc.a Makefile.depend |
86 | find generic/ arch/$(ARCH)/ -name '*.o' -follow -exec rm \{\} \; |
88 | find generic/ arch/$(ARCH)/ -name '*.o' -follow -exec rm \{\} \; |
87 | 89 | ||
88 | depend: |
90 | depend: |
89 | $(CC) $(DEFS) $(CFLAGS) -M $(ARCH_SOURCES) $(GENERIC_SOURCES) > Makefile.depend |
91 | $(CC) $(DEFS) $(CFLAGS) -M $(ARCH_SOURCES) $(GENERIC_SOURCES) > Makefile.depend |
90 | 92 | ||
91 | libc.a: depend $(ARCH_OBJECTS) $(GENERIC_OBJECTS) |
93 | libc.a: depend $(ARCH_OBJECTS) $(GENERIC_OBJECTS) |
92 | - | ||
- | 94 | $(AR) rc libc.a $(ARCH_OBJECTS) $(GENERIC_OBJECTS) |
|
93 | 95 | ||
94 | %.o: %.S |
96 | %.o: %.S |
95 | $(CC) $(DEFS) $(AFLAGS) $(CFLAGS) -D__ASM__ -c $< -o $@ |
97 | $(CC) $(DEFS) $(AFLAGS) $(CFLAGS) -D__ASM__ -c $< -o $@ |
96 | 98 | ||
97 | %.o: %.s |
99 | %.o: %.s |
98 | $(AS) $(AFLAGS) $< -o $@ |
100 | $(AS) $(AFLAGS) $< -o $@ |
99 | 101 | ||
100 | %.o: %.c |
102 | %.o: %.c |
101 | $(CC) $(DEFS) $(CFLAGS) -c $< -o $@ |
103 | $(CC) $(DEFS) $(CFLAGS) -c $< -o $@ |
102 | 104 |