90 lines
2.5 KiB
Text
90 lines
2.5 KiB
Text
TOPDIR = $(shell pwd)
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ARCH = x86
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NAME = eduos
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KERNDIRS = libkern kernel arch/$(ARCH)/kernel
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SUBDIRS = $(KERNDIRS)
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# Set your own cross compiler tool chain prefix here
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CROSSCOMPREFIX =
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CC_FOR_TARGET = $(CROSSCOMPREFIX)gcc
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CXX_FOR_TARGET = $(CROSSCOMPREFIX)g++
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GCC_FOR_TARGET = $(CROSSCOMPREFIX)gcc
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CPP_FOR_TARGET = $(CROSSCOMPREFIX)cpp
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AR_FOR_TARGET = $(CROSSCOMPREFIX)ar
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AS_FOR_TARGET = $(CROSSCOMPREFIX)as
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LD_FOR_TARGET = $(CROSSCOMPREFIX)ld
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NM_FOR_TARGET = $(CROSSCOMPREFIX)nm
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OBJDUMP_FOR_TARGET = $(CROSSCOMPREFIX)objdump
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OBJCOPY_FOR_TARGET = $(CROSSCOMPREFIX)objcopy
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RANLIB_FOR_TARGET = $(CROSSCOMPREFIX)ranlib
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STRIP_FOR_TARGET = $(CROSSCOMPREFIX)strip
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READELF_FOR_TARGET = $(CROSSCOMPREFIX)readelf
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NASM = nasm
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NASMFLAGS = -felf32 -g
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INCLUDE = -I$(TOPDIR)/include -I$(TOPDIR)/arch/$(ARCH)/include
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# Compiler options for final code
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CFLAGS = -g -m32 -march=i586 -Wall -O2 -fno-builtin -fstrength-reduce -fomit-frame-pointer -finline-functions -nostdinc $(INCLUDE) -fno-stack-protector
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# Compiler options for debugging
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#CFLAGS = -g -O -m32 -march=i586 -Wall -fno-builtin -DWITH_FRAME_POINTER -nostdinc $(INCLUDE) -fno-stack-protector
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AR = ar
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ARFLAGS = rsv
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RM = rm -rf
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LDFLAGS = -T link.ld -z max-page-size=4096 --defsym __BUILD_DATE=$(shell date +'%Y%m%d') --defsym __BUILD_TIME=$(shell date +'%H%M%S')
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STRIP_DEBUG = --strip-debug
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KEEP_DEBUG = --only-keep-debug
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# Prettify output
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V = 0
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ifeq ($V,0)
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Q = @
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P = > /dev/null
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endif
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default: all
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all: $(NAME).elf
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$(NAME).elf:
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$Q$(LD_FOR_TARGET) $(LDFLAGS) -o $(NAME).elf $^
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@echo [OBJCOPY] $(NAME).sym
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$Q$(OBJCOPY_FOR_TARGET) $(KEEP_DEBUG) $(NAME).elf $(NAME).sym
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@echo [OBJCOPY] $(NAME).elf
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$Q$(OBJCOPY_FOR_TARGET) $(STRIP_DEBUG) $(NAME).elf
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clean:
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$Q$(RM) $(NAME).elf $(NAME).sym *~
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@echo Cleaned.
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veryclean: clean
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$Q$(RM) qemu-vlan0.pcap
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@echo Very cleaned
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qemu: $(NAME).elf
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qemu-system-i386 -monitor stdio -smp 2 -net nic,model=rtl8139 -net user,hostfwd=tcp::12345-:7 -net dump -kernel $(NAME).elf
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qemu-dbg: $(NAME).elf
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qemu-system-i386 -monitor stdio -s -S -smp 2 -net nic,model=rtl8139 -net user,hostfwd=tcp::12345-:7 -net dump -kernel $(NAME).elf
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doc:
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@doxygen
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@echo Create documentation...
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%.o : %.c
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@echo [CC] $@
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$Q$(CC_FOR_TARGET) -c -D__KERNEL__ $(CFLAGS) -o $@ $<
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@echo [DEP] $*.dep
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$Q$(CC_FOR_TARGET) -MF $*.dep -MT $*.o -MM $(CFLAGS) $<
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%.o : %.asm
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@echo [ASM] $@
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$Q$(NASM) $(NASMFLAGS) -o $@ $<
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%.o : %.S
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@echo [GCC-ASM] $@
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$Q$(CC_FOR_TARGET) $(CFLAGS) -c -o $@ $<
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.PHONY: default all clean emu gdb newlib tools
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include $(addsuffix /Makefile,$(SUBDIRS))
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