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| - | 1 | # |
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| - | 2 | # Copyright (C) 2005 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 | ## Make some default assumptions |
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| - | 30 | # |
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| - | 31 | ||
| - | 32 | ifndef ARCH |
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| - | 33 | ARCH = ia32 |
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| - | 34 | endif |
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| - | 35 | ||
| - | 36 | ## Common compiler flags |
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| - | 37 | # |
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| - | 38 | ||
| - | 39 | DEFS = -DARCH=$(ARCH) |
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| - | 40 | CFLAGS = -fno-builtin -fomit-frame-pointer -Werror-implicit-function-declaration -Wmissing-prototypes -Werror -O3 -nostdlib -nostdinc -Iinclude |
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| - | 41 | LFLAGS = -M |
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| - | 42 | AFLAGS = |
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| - | 43 | ||
| - | 44 | ## Setup platform configuration |
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| - | 45 | # |
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| - | 46 | ||
| 1 | include ../../arch/$(ARCH)/Makefile.inc |
47 | include arch/$(ARCH)/Makefile.inc |
| - | 48 | ||
| - | 49 | ## Toolchain configuration |
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| - | 50 | # |
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| - | 51 | ||
| - | 52 | ifeq ($(COMPILER),native) |
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| - | 53 | CC = gcc |
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| - | 54 | AS = as |
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| - | 55 | LD = ld |
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| - | 56 | OBJCOPY = objcopy |
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| - | 57 | OBJDUMP = objdump |
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| - | 58 | else |
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| - | 59 | CC = $(TOOLCHAIN_DIR)/$(TARGET)-gcc |
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| - | 60 | AS = $(TOOLCHAIN_DIR)/$(TARGET)-as |
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| - | 61 | LD = $(TOOLCHAIN_DIR)/$(TARGET)-ld |
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| - | 62 | OBJCOPY = $(TOOLCHAIN_DIR)/$(TARGET)-objcopy |
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| - | 63 | OBJDUMP = $(TOOLCHAIN_DIR)/$(TARGET)-objdump |
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| - | 64 | endif |
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| - | 65 | ||
| - | 66 | ## Sources |
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| - | 67 | # |
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| - | 68 | ||
| - | 69 | GENERIC_SOURCES = \ |
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| - | 70 | generic/libc.c |
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| - | 71 | ||
| - | 72 | ARCH_SOURCES = \ |
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| - | 73 | arch/$(ARCH)/libc.c |
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| 2 | 74 | ||
| - | 75 | GENERIC_OBJECTS := $(addsuffix .o,$(basename $(GENERIC_SOURCES))) |
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| 3 | sources=libc.c \ |
76 | ARCH_OBJECTS := $(addsuffix .o,$(basename $(ARCH_SOURCES))) |
| 4 | entry.s |
- | |
| 5 | 77 | ||
| 6 | CFLAGS+=-nostdinc -I. -Werror-implicit-function-declaration -Wmissing-prototypes -Werror |
78 | .PHONY: all clean depend boot |
| 7 | 79 | ||
| 8 | objects:=$(addsuffix .o,$(basename $(sources))) |
- | |
| 9 | - | ||
| 10 | .PHONY : all depend build clean dist-clean |
- | |
| 11 | - | ||
| 12 | all: dist-clean depend build |
80 | all: libc.a |
| 13 | 81 | ||
| 14 | -include Makefile.depend |
82 | -include Makefile.depend |
| 15 | 83 | ||
| 16 | depend: |
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| 17 | $(CC) $(CFLAGS) -M $(sources) >Makefile.depend |
- | |
| 18 | - | ||
| 19 | build: libc.a |
- | |
| 20 | - | ||
| 21 | clean: |
84 | clean: |
| - | 85 | -rm -f libc.a |
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| 22 | find . -name '*.o' -exec rm \{\} \; |
86 | find generic/ arch/$(ARCH)/ -name '*.o' -follow -exec rm \{\} \; |
| - | 87 | ||
| 23 | -rm libc.a |
88 | depend: |
| - | 89 | $(CC) $(DEFS) $(CFLAGS) -M $(ARCH_SOURCES) $(GENERIC_SOURCES) > Makefile.depend |
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| 24 | 90 | ||
| 25 | dist-clean: |
- | |
| 26 | -rm Makefile.depend |
91 | libc.a: depend $(ARCH_OBJECTS) $(GENERIC_OBJECTS) |
| 27 | -$(MAKE) clean |
92 | |
| 28 | 93 | ||
| 29 | libc.a: $(objects) |
94 | %.o: %.S |
| 30 | $(AR) rc libc.a $(objects) |
95 | $(CC) $(DEFS) $(AFLAGS) $(CFLAGS) -D__ASM__ -c $< -o $@ |
| 31 | 96 | ||
| 32 | %.o: %.s |
97 | %.o: %.s |
| 33 | $(AS) $(ASFLAGS) $< -o $@ |
98 | $(AS) $(AFLAGS) $< -o $@ |
| 34 | 99 | ||
| 35 | %.o: %.c |
100 | %.o: %.c |
| 36 | $(CC) $(CFLAGS) -c $< -o $@ |
101 | $(CC) $(DEFS) $(CFLAGS) -c $< -o $@ |