65 lines
1.7 KiB
Makefile
65 lines
1.7 KiB
Makefile
# Aedrix root Makefile
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# Copyright (C) 2012 Aaron Lindsay <aaron@aclindsay.com>
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# Config options for the code itself (should be separated from the Makefile sometime)
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ARCH = arm
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# Config options concerning the build process itself
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VERBOSE = 0 # 1 shows all compiler flags, 0 shows cleaner output
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# Define the tools to be used
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TOOL_PREFIX = arm-elf-
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AS = $(TOOL_PREFIX)as
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CC = $(TOOL_PREFIX)gcc
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LD = $(TOOL_PREFIX)ld
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OBJCPY = $(TOOL_PREFIX)objcopy
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# Define the flags we'll need for our tools
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INCLUDES = -I include
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KCFLAGS = -g -Wall -Wextra -Werror -nostdlib -nostartfiles -fno-builtin -std=gnu99 $(INCLUDES)
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KLDFLAGS = -T link.ld -L /usr/lib/gcc/arm-elf/4.7.0/
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EXTRA_LIBS = -lgcc
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KOBJS =
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include boot/Makefile.inc
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include kernel/Makefile.inc
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include devices/Makefile.inc
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.PHONY: all clean boot
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all: aedrix-kernel.img aedrix-kernel.elf
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aedrix-kernel.elf: $(KOBJS)
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$(if $(VERBOSE:1=),@echo ' LD $@')
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$(if $(VERBOSE:1=),@)$(LD) $(KLDFLAGS) -o $@ $(KOBJS) $(EXTRA_LIBS)
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aedrix-kernel.img: aedrix-kernel.elf
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$(if $(VERBOSE:1=),@echo ' OBJCPY $@')
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$(if $(VERBOSE:1=),@)$(OBJCPY) $< -O binary $@
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%.o: %.c
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$(if $(VERBOSE:1=),@echo ' CC $@')
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$(if $(VERBOSE:1=),@)$(CC) $(KCFLAGS) -c -o $@ $<
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# Assembly files without preprocessor directives
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%.o: %.s
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$(if $(VERBOSE:1=),@echo ' AS $@')
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$(if $(VERBOSE:1=),@)$(AS) -o $@ $<
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# Assembly files with preprocessor directives
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%.o: %.S
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$(if $(VERBOSE:1=),@echo ' AS $@')
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$(if $(VERBOSE:1=),@)$(AS) -o $@ $<
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clean:
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@echo ' CLEAN *.o'
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@rm -f $(KOBJS)
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@echo ' CLEAN aedrix-kernel.elf'
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@rm -f aedrix-kernel.elf
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@echo ' CLEAN aedrix-kernel.img'
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@rm -f aedrix-kernel.img
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boot: aedrix-kernel.elf
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@qemu-system-arm -m 1024 -M vexpress-a9 -kernel aedrix-kernel.elf -serial stdio
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