138 lines
4.8 KiB
Makefile
138 lines
4.8 KiB
Makefile
# I hate GNU Make
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#
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# Seriously.
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#
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# Fuck M4. I do this because it's probably the most portable way, and I don't
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# want to write Yet Another Compile System because fuck that shit. I could
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# use cmake but I don't know whether it is flexible enough. It probably is
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# but whatever. I wrote this piece of shit below, let's just keep it that
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# way. There are better way to do the hthings I do below, but who gives a
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# shit.
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default: emulate-nohdd
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SHELL:=/bin/bash
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CC:=clang
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CX:=clang++
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AS:=nasm
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LD:=ld
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# -O2 sets -foptimize-sibling-calls which breaks code...
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CFLAGS:= -mcmodel=large -Wall -Werror -nostdlib -ffreestanding -std=c99 -g
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CFLAGS+=-I ./include -nostdinc -O2 -fno-optimize-sibling-calls -mcmodel=kernel
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CFLAGS+= -mno-red-zone -ffreestanding -I ./include/Lua -I ./src/Lua -target x86_64-elf
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CXFLAGS:= $(CFLAGS) -fno-rtti -fno-stack-protector -fno-exceptions -std=c++11
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LFLAGS:=-nostdlib -nostartfiles -nodefaultlibs -m elf_x86_64 -nostdinc -z nodefaultlib -n
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debug: CFLAGS += -DDEBUG -gdwarf-4 -fvar-tracking-assignments -O0
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debug: CXFLAGS += -DDEBUG -gdwarf-4 -fvar-tracking-assignments -O0
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debug: kernel.bin
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.PHONY: all clean emulate hdd.img debug
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obj/src/%.nao : src/%.asm
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@echo "[i] Assembling $*.asm..."
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@$(AS) -f elf64 -o obj/src/$*.nao src/$*.asm
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obj/src/%.lo : src/%.lua
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@echo "[i] Packing $*.lua..."
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@contrib/luapack.py src/$*.lua obj/src/$*.lo
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obj/src/%.o : src/%.c
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@echo "[i] Compiling $*.c ..."
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@if [ -e obj/src/$*.o ] ; then rm obj/src/$*.o ; fi
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@mkdir -p obj/src/$*.o
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@rmdir obj/src/$*.o
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@$(CC) $(CFLAGS) -c src/$*.c -o obj/src/$*.o
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version-gen:
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@echo "[i] Generating revision file..."
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@contrib/rev-gen
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include/Alentours/PCIDB.h:
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@echo "[i] Downloading pcidatabase.com header file..."
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@echo "[w] WARNING: Please check include/Alentours/PCIDB.h for possible rootkits and stuff."
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@curl http://www.pcidatabase.com/pci_c_header.php > include/Alentours/PCIDB.h
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python2 contrib/fix-pci-db.py
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obj/src/%.xo : src/%.cpp
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@echo "[i] Compiling $*.cpp ..."
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@if [ -e obj/src/$*.xo ] ; then rm obj/src/$*.xo ; fi
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@mkdir -p obj/src/$*.xo
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@rmdir obj/src/$*.xo
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@$(CX) $(CXFLAGS) -c src/$*.cpp -o obj/src/$*.xo
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TIER0SRC := $(shell find src/Tier0 -mindepth 1 -maxdepth 3 -name "*.c")
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TIER0SRC += $(shell find src/Tier0 -mindepth 1 -maxdepth 3 -name "*.asm")
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TIER0OBJ := $(patsubst %.c,%.o,$(TIER0SRC))
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TIER0OBJ := $(patsubst %.asm,%.nao,$(TIER0OBJ))
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TIER0 := $(foreach i, $(TIER0OBJ), obj/$(i))
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Tier0: $(TIER0)
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TIER1SRC := $(shell find src/Tier1 -mindepth 1 -maxdepth 3 -name "*.cpp")
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TIER1SRC += $(shell find src/Tier1 -mindepth 1 -maxdepth 3 -name "*.asm")
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TIER1OBJ := $(patsubst %.cpp,%.xo,$(TIER1SRC))
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TIER1OBJ := $(patsubst %.asm,%.nao,$(TIER1OBJ))
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TIER1 := $(foreach i, $(TIER1OBJ), obj/$(i))
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Tier1: $(TIER1)
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ALENTOURSSRC := $(shell find src/Alentours -mindepth 1 -maxdepth 3 -name "*.cpp")
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ALENTOURSSRC += $(shell find src/Alentours -mindepth 1 -maxdepth 3 -name "*.asm")
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ALENTOURSOBJ := $(patsubst %.cpp,%.xo,$(ALENTOURSSRC))
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ALENTOURSOBJ := $(patsubst %.asm,%.nao,$(ALENTOURSOBJ))
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ALENTOURS := $(foreach i, $(ALENTOURSOBJ), obj/$(i))
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Alentours: $(ALENTOURS) include/Alentours/PCIDB.h
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src/Lua/liblua.a:
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@echo "[i] Building Lua..."
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@make -C src/Lua
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LUA := src/Lua/liblua.a
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Lua: $(LUA)
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kernel.bin: version-gen Tier0 Tier1 Lua Alentours
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@echo "[i] Linking kernel.bin..."
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@$(LD) $(LFLAGS) -T src/kernel.ld -o kernel.bin $(TIER0) $(TIER1) $(ALENTOURS) -Lsrc/Lua -llua
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@echo "[i] Creating debug symbols."
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@cp kernel.bin ksyms.elf
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#@strip --only-keep-debug ksyms.elf
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#@strip --strip-debug --strip-unneeded kernel.bin
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hdd.img: kernel.bin
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@echo "[i] Creating HDD image..."
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@if [ -e hdd_temp.img ] ; then rm hdd_temp.img ; fi
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@dd if=/dev/zero of=hdd_temp.img bs=512 count=10240 2> /dev/null
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@mkfs.vfat hdd_temp.img
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@syslinux hdd_temp.img
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@mcopy -i hdd_temp.img /usr/lib/syslinux/mboot.c32 ::mboot.c32
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@mcopy -i hdd_temp.img kernel.bin ::kernel.bin
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@mcopy -i hdd_temp.img dst/syslinux.cfg ::syslinux.cfg
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@mv hdd_temp.img hdd.img
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emulate-nohdd-debug: debug
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@echo "[i] Starting GDB..."
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@echo -e "file kernel.bin\nsymbol-file ksyms.elf\ntarget remote localhost:1234\n" > gdbcommands
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xterm -e /bin/bash -c "sleep 1 && gdb -tui -x gdbcommands && rm gdbcommands" &
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@echo "[i] Starting QEmu..."
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@qemu-system-x86_64 --no-kvm -S -gdb tcp::1234 -d int -smp 4 -kernel ../Loader/loader.bin -initrd kernel.bin
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emulate-nohdd: kernel.bin
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@echo "[i] Building loader..."
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@pushd ../Loader > /dev/null && $(MAKE) -f Makefile loader.bin && popd > /dev/null
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@echo "[i] Starting QEMU..."
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@qemu-system-x86_64 $(QEMU_FLAGS) --no-kvm -d int -smp 4 -kernel ../Loader/loader.bin -initrd kernel.bin
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emulate: hdd.img
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@echo "[i] Starting QEmu..."
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@qemu -hda hdd.img
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clean:
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@rm -Rf obj
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@make -C src/Lua clean
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@if [ -e kernel.bin ] ; then rm kernel.bin ; fi
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@if [ -e hdd_temp.img ] ; then rm hdd_temp.img ; fi
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@if [ -e hdd.img ] ; then rm hdd.img; fi
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