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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 | SOURCES = \ |
- | 37 | libc \ |
|
37 | # |
38 | init |
38 | 39 | ||
39 | DEFS = -DARCH=$(ARCH) |
40 | CLEANS := $(addsuffix .clean,$(SOURCES)) |
40 | CFLAGS = -fno-builtin -fomit-frame-pointer -Werror-implicit-function-declaration -Wmissing-prototypes -Werror -O3 -nostdlib -nostdinc -Ilibc/include |
- | |
41 | LFLAGS = -M |
- | |
42 | AFLAGS = |
- | |
43 | 41 | ||
44 | ## Setup platform configuration |
42 | .PHONY: all $(SOURCES) $(CLEANS) clean |
45 | # |
- | |
46 | 43 | ||
47 | include libc/arch/$(ARCH)/Makefile.inc |
44 | all: $(SOURCES) |
48 | 45 | ||
49 | ## Toolchain configuration |
46 | clean: $(CLEANS) |
50 | # |
- | |
- | 47 | find $(SOURCES) -name '*.o' -follow -exec rm \{\} \; |
|
51 | 48 | ||
52 | ifeq ($(COMPILER),native) |
- | |
53 | CC = gcc |
49 | $(CLEANS): |
54 | AS = as |
- | |
55 | LD = ld |
- | |
56 | OBJCOPY = objcopy |
- | |
57 | OBJDUMP = objdump |
- | |
58 | else |
- | |
59 | CC = $(TOOLCHAIN_DIR)/$(TARGET)-gcc |
- | |
60 | AS = $(TOOLCHAIN_DIR)/$(TARGET)-as |
- | |
61 | LD = $(TOOLCHAIN_DIR)/$(TARGET)-ld |
- | |
62 | OBJCOPY = $(TOOLCHAIN_DIR)/$(TARGET)-objcopy |
- | |
63 | OBJDUMP = $(TOOLCHAIN_DIR)/$(TARGET)-objdump |
50 | $(MAKE) -C $(basename $@) clean ARCH=$(ARCH) |
64 | endif |
- | |
65 | 51 | ||
66 | .PHONY: all clean |
- | |
67 | - | ||
68 | all: init |
- | |
69 | - | ||
70 | clean: |
- | |
71 | -rm -f init init.map _link.ld *.o |
- | |
72 | $(MAKE) -C libc clean ARCH=$(ARCH) |
- | |
73 | - | ||
74 | libc/libc.a: |
52 | $(SOURCES): |
75 | $(MAKE) -C libc all ARCH=$(ARCH) |
53 | $(MAKE) -C $@ all ARCH=$(ARCH) |
76 | - | ||
77 | _link.ld: _link.ld.in |
- | |
78 | $(CC) $(DEFS) $(CFLAGS) -E -x c $< | grep -v "^\#" > $@ |
- | |
79 | - | ||
80 | init: init.o libc/libc.a _link.ld |
- | |
81 | $(LD) -T _link.ld $(LFLAGS) init.o libc/libc.a -o $@ -Map init.map |
- | |
82 | - | ||
83 | %.o: %.S |
- | |
84 | $(CC) $(DEFS) $(AFLAGS) $(CFLAGS) -D__ASM__ -c $< -o $@ |
- | |
85 | - | ||
86 | %.o: %.s |
- | |
87 | $(AS) $(AFLAGS) $< -o $@ |
- | |
88 | - | ||
89 | %.o: %.c |
- | |
90 | $(CC) $(DEFS) $(CFLAGS) -c $< -o $@ |
- | |
91 | 54 |