| 0,0 → 1,90 |
|---|
| # |
| # Copyright (C) 2005 Martin Decky |
| # All rights reserved. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions |
| # are met: |
| # |
| # - Redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer. |
| # - Redistributions in binary form must reproduce the above copyright |
| # notice, this list of conditions and the following disclaimer in the |
| # documentation and/or other materials provided with the distribution. |
| # - The name of the author may not be used to endorse or promote products |
| # derived from this software without specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| # |
| |
| ## Make some default assumptions |
| # |
| |
| ifndef ARCH |
| ARCH = ia32 |
| endif |
| |
| ## Common compiler flags |
| # |
| |
| DEFS = -DARCH=$(ARCH) |
| CFLAGS = -fno-builtin -fomit-frame-pointer -Werror-implicit-function-declaration -Wmissing-prototypes -Werror -O3 -nostdlib -nostdinc -Ilibc/include |
| LFLAGS = -M |
| AFLAGS = |
| |
| ## Setup platform configuration |
| # |
| |
| include libc/arch/$(ARCH)/Makefile.inc |
| |
| ## Toolchain configuration |
| # |
| |
| ifeq ($(COMPILER),native) |
| CC = gcc |
| AS = as |
| LD = ld |
| OBJCOPY = objcopy |
| OBJDUMP = objdump |
| else |
| CC = $(TOOLCHAIN_DIR)/$(TARGET)-gcc |
| AS = $(TOOLCHAIN_DIR)/$(TARGET)-as |
| LD = $(TOOLCHAIN_DIR)/$(TARGET)-ld |
| OBJCOPY = $(TOOLCHAIN_DIR)/$(TARGET)-objcopy |
| OBJDUMP = $(TOOLCHAIN_DIR)/$(TARGET)-objdump |
| endif |
| |
| .PHONY: all clean |
| |
| all: init |
| |
| clean: |
| -rm -f init init.map _link.ld *.o |
| $(MAKE) -C libc clean |
| |
| libc/libc.a: |
| $(MAKE) -C libc all |
| |
| _link.ld: _link.ld.in |
| $(CC) $(DEFS) $(CFLAGS) -E -x c $< | grep -v "^\#" > $@ |
| |
| init: init.o libc/libc.a _link.ld |
| $(LD) -T _link.ld $(LFLAGS) init.o libc/libc.a -o $@ -Map init.map |
| |
| %.o: %.S |
| $(CC) $(DEFS) $(AFLAGS) $(CFLAGS) -D__ASM__ -c $< -o $@ |
| |
| %.o: %.s |
| $(AS) $(AFLAGS) $< -o $@ |
| |
| %.o: %.c |
| $(CC) $(DEFS) $(CFLAGS) -c $< -o $@ |