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| Rev | Author | Line No. | Line |
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| 496 | decky | 1 | # |
| 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=$(ARCH) |
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| 40 | CFLAGS = -fno-builtin -fomit-frame-pointer -Werror-implicit-function-declaration -Wmissing-prototypes -Werror -O3 -nostdlib -nostdinc -Ilibc/include |
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| 41 | LFLAGS = -M |
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| 42 | AFLAGS = |
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| 43 | |||
| 44 | ## Setup platform configuration |
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| 45 | # |
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| 46 | |||
| 47 | include libc/arch/$(ARCH)/Makefile.inc |
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| 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 | .PHONY: all clean |
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| 67 | |||
| 68 | all: init |
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| 69 | |||
| 70 | clean: |
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| 71 | -rm -f init init.map _link.ld *.o |
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| 500 | decky | 72 | $(MAKE) -C libc clean ARCH=$(ARCH) |
| 496 | decky | 73 | |
| 74 | libc/libc.a: |
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| 500 | decky | 75 | $(MAKE) -C libc all ARCH=$(ARCH) |
| 496 | decky | 76 | |
| 77 | _link.ld: _link.ld.in |
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| 78 | $(CC) $(DEFS) $(CFLAGS) -E -x c $< | grep -v "^\#" > $@ |
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| 79 | |||
| 80 | init: init.o libc/libc.a _link.ld |
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| 81 | $(LD) -T _link.ld $(LFLAGS) init.o libc/libc.a -o $@ -Map init.map |
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| 82 | |||
| 83 | %.o: %.S |
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| 84 | $(CC) $(DEFS) $(AFLAGS) $(CFLAGS) -D__ASM__ -c $< -o $@ |
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| 85 | |||
| 86 | %.o: %.s |
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| 87 | $(AS) $(AFLAGS) $< -o $@ |
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| 88 | |||
| 89 | %.o: %.c |
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| 90 | $(CC) $(DEFS) $(CFLAGS) -c $< -o $@ |