107 lines
3.2 KiB
Text
107 lines
3.2 KiB
Text
TOPDIR = $(shell pwd)
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ARCH = x86
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NAME = metalsvm
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LWIPDIRS = lwip/src/arch lwip/src/api lwip/src/core lwip/src/core/ipv4 lwip/src/netif
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DRIVERDIRS = drivers/net drivers/char drivers/stdin drivers/stdout drivers/stderr
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KERNDIRS = libkern kernel mm fs arch/$(ARCH)/kernel arch/$(ARCH)/mm arch/$(ARCH)/scc $(LWIPDIRS) $(DRIVERDIRS)
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SUBDIRS = $(KERNDIRS)
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CC_FOR_TARGET=gcc
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CXX_FOR_TARGET=g++
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GCC_FOR_TARGET=gcc
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AR_FOR_TARGET=ar
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AS_FOR_TARGET=as
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LD_FOR_TARGET=ld
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NM_FOR_TARGET=nm
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OBJDUMP_FOR_TARGET=objdump
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OBJCOPY_FOR_TARGET=objcopy
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RANLIB_FOR_TARGET=ranlib
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STRIP_FOR_TARGET=strip
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READELF_FOR_TARGET=readelf
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NASM = nasm
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EMU=qemu
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GDB=gdb
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MAKE = make
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NASMFLAGS = -felf32 -g
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INCLUDE = -I$(TOPDIR)/include -I$(TOPDIR)/arch/$(ARCH)/include -I$(TOPDIR)/lwip/src/include -I$(TOPDIR)/lwip/src/include/ipv4 -I$(TOPDIR)/drivers
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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 debuuging
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#CFLAGS = -g -O -m32 -march=i586 -Wall -fno-builtin -DWITH_FRAME_POINTER -nostdinc $(INCLUDE) -fno-stack-protector
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ARFLAGS = rsv
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RM = rm -rf
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LDFLAGS = -T link.ld -z max-page-size=4096 --defsym __BUILD_DATE=$(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: newlib tools $(NAME).elf
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newlib:
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$(MAKE) ARCH=$(ARCH) LDFLAGS="-m32" CFLAGS="-m32 -O2 -march=i586 -fno-stack-protector" NASMFLAGS="$(NASMFLAGS)" CC_FOR_TARGET=$(CC_FOR_TARGET) \
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CXX_FOR_TARGET=$(CXX_FOR_TARGET) \
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GCC_FOR_TARGET=$(GCC_FOR_TARGET) \
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AR_FOR_TARGET=$(AR_FOR_TARGET) \
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AS_FOR_TARGET=$(AS_FOR_TARGET) \
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LD_FOR_TARGET=$(LD_FOR_TARGET) \
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NM_FOR_TARGET=$(NM_FOR_TARGET) \
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OBJDUMP_FOR_TARGET=$(OBJDUMP_FOR_TARGET) \
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OBJCOPY_FOR_TARGET=$(OBJCOPY_FOR_TARGET) \
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RANLIB_FOR_TARGET=$(RANLIB_FOR_TARGET) \
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STRIP_FOR_TARGET=$(STRIP_FOR_TARGET) \
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READELF_FOR_TARGET=$(READELF_FOR_TARGET) -C newlib
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tools:
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$(MAKE) -C tools
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$(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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qemu: newlib tools $(NAME).elf
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qemu -monitor stdio -smp 2 -net nic,model=rtl8139 -net user,hostfwd=tcp::12345-:7 -net dump -kernel metalsvm.elf -initrd tools/initrd.img
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qemudbg: newlib tools $(NAME).elf
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qemu -S -s -smp 2 -net nic,model=rtl8139 -net user,hostfwd=tcp::12345-:7 -net dump -kernel metalsvm.elf -initrd tools/initrd.img
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gdb: $(NAME).elf
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make qemudbg > /dev/null &
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$(GDB) -x script.gdb
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clean:
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$Q$(RM) $(NAME).elf $(NAME).sym *~
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$Q$(MAKE) -C tools clean
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@echo Cleaned.
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veryclean: clean
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$Q$(MAKE) -C newlib veryclean
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@echo Very cleaned
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#depend:
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# for i in $(SUBDIRS); do $(MAKE) -k -C $$i depend; done
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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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.PHONY: default all clean emu gdb newlib tools
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include $(addsuffix /Makefile,$(SUBDIRS))
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