176 lines
5.3 KiB
Text
176 lines
5.3 KiB
Text
NAME = metalsvm
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# For 64bit support, you have define BIT as 64
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# Note: do not forget to 'make veryclean' after changing BIT!!!
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BIT=64
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ARCH = x86
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SMP=1
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TOPDIR = $(shell pwd)
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LWIPDIRS = lwip/src/arch lwip/src/api lwip/src/core lwip/src/core/ipv4 lwip/src/netif
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DRIVERDIRS = drivers/net drivers/char
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KERNDIRS = libkern kernel mm fs apps arch/$(ARCH)/kernel arch/$(ARCH)/mm arch/$(ARCH)/scc $(LWIPDIRS) $(DRIVERDIRS)
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SUBDIRS = $(KERNDIRS)
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STACKPROT = -fno-stack-protector
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# Set your own cross compiler tool chain prefix here
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CROSSCOMPREFIX =
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# Uncomment both lines if compiling for the SCC!
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#CROSSCOMPREFIX = i386-unknown-linux-gnu-
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#STACKPROT =
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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 = $(CROSSCOMPREFIX)readelf
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# Tools
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MAKE = make
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RM = rm -rf
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NASM = nasm
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GDB = gdb
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ifeq ($(BIT), 32)
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QEMU = qemu-system-i386
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else ifeq ($(BIT), 64)
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QEMU = qemu-system-x86_64
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endif
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INCLUDE = -I$(TOPDIR)/include \
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-I$(TOPDIR)/arch/$(ARCH)/include \
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-I$(TOPDIR)/lwip/src/include \
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-I$(TOPDIR)/lwip/src/include/ipv4 \
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-I$(TOPDIR)/drivers
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# Compiler options for final code
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CFLAGS = -g -O2 -m$(BIT) -Wall -fomit-frame-pointer -ffreestanding -fstrength-reduce -finline-functions $(INCLUDE) $(STACKPROT)
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# Compiler options for debuging
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#CFLAGS = -g -O -m$(BIT) -Wall -fomit-frame-pointer -ffreestanding $(INCLUDE) $(STACKPROT)
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NASMFLAGS = -felf$(BIT) -g -i$(TOPDIR)/include/metalsvm/
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ARFLAGS = rsv
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LDFLAGS = -T link$(BIT).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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# Do not change to elf64!
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# The Multiboot spec can only boot elf32 binaries
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OUTPUT_FORMAT = -O elf32-i386
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CFLAGS_FOR_NEWLIB = -m$(BIT) -O2 $(STACKPROT)
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LDFLAGS_FOR_NEWLIB = -m$(BIT)
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CFLAGS_FOR_TOOLS = -m$(BIT) -O2 -Wall
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LDFLAGS_FOR_TOOLS =
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NASMFLAGS_FOR_NEWLIB = -felf$(BIT)
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ifeq ($(BIT), 32)
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CFLAGS += -march=i586
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CFLAGS_FOR_NEWLIB += -march=i586
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LDFLAGS_FOR_NEWLIB += -march=i586
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else ifeq ($(BIT), 64)
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CFLAGS += -mno-red-zone
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endif
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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=$(ARCH) BIT=$(BIT) \
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LDFLAGS="$(LDFLAGS_FOR_NEWLIB)" \
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CFLAGS="$(CFLAGS_FOR_NEWLIB)" \
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NASMFLAGS="$(NASMFLAGS_FOR_NEWLIB)" \
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CC_FOR_TARGET=$(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) CFLAGS="$(CFLAGS_FOR_TOOLS)" LDFLAGS="$(LDFLAGS_FOR_TOOLS)" -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) $(OUTPUT_FORMAT) $(NAME).elf
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qemu: newlib tools $(NAME).elf
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$(QEMU) -monitor stdio -serial tcp::12346,server,nowait -smp $(SMP) -net nic,model=rtl8139 -net user,hostfwd=tcp::12345-:4711 -kernel metalsvm.elf -initrd tools/initrd.img
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qemudbg: newlib tools $(NAME).elf
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$(QEMU) -s -S -nographic -monitor stdio -serial tcp::12346,server -smp $(SMP) -net nic,model=rtl8139 -net user,hostfwd=tcp::12345-:4711 -kernel metalsvm.elf -initrd tools/initrd.img
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gdb: $(NAME).elf
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$(GDB) -q -x script.gdb
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debug: newlib tools $(NAME).elf
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killall $(QEMU) || true
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killall $(GDB) || true
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sleep 1
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gnome-terminal --working-directory=$(TOPDIR) \
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--tab --title=Shell --command="bash -c 'sleep 1 && telnet localhost 12345'" \
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--tab --title=QEmu --command="make qemudbg" \
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--tab --title=GDB --command="make gdb" \
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--tab --title=Debug --command="bash -c 'sleep 1 && telnet localhost 12346'"
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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$(CPP_FOR_TARGET) -MF $*.dep -MT $*.o -MM -D__KERNEL__ $(CFLAGS) $<
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include/metalsvm/config.inc: include/metalsvm/config.h
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@echo "; This file is generated automatically from the config.h file." > $@
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@echo "; Before editing this, you should consider editing config.h." >> $@
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@sed -nre 's/^[\t ]*#define[\t ]+([a-z_0-9]+)([\t ]+.*)*/%define \1/ip' $< >> $@
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@sed -nre 's/^[\t ]*#define[\t ]+([a-z_0-9]+)[\t ]+([a-z_0-9.]+)([\t ]+.*)*/%define \1 \2/ip' $< >> $@
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%.o : %.asm include/metalsvm/config.inc
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@echo [ASM] $@
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$Q$(NASM) $(NASMFLAGS) -o $@ $<
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.PHONY: default all clean qemu qemudbg gdb debug newlib tools
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include $(addsuffix /Makefile,$(SUBDIRS))
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