99 lines
3.1 KiB
Makefile
99 lines
3.1 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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ENV:=/usr/xdev/bin
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TARGET:=i586-elf
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CC:=$(ENV)/$(TARGET)-gcc
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CX:=$(ENV)/$(TARGET)-g++
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AS:=nasm
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LD:=$(ENV)/$(TARGET)-ld
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# -O2 sets -foptimize-sibling-calls which breaks code...
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CFLAGS:=-Wall -Werror -nostdlib -nostartfiles -nodefaultlibs -std=c99 -g
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CFLAGS+=-I ./include -Wno-packed-bitfield-compat -O2 -fno-optimize-sibling-calls
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CXFLAGS:= -Wall -Werror -nostdlib -fno-builtin -nostartfiles -I ./include
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CXFLAGS+= -nodefaultlibs -fno-exceptions -fno-rtti -fno-stack-protector
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CXFLAGS+= -Wno-packed-bitfield-compat -O3
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LFLAGS:=-nostdlib -nostartfiles -nodefaultlibs
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.PHONY: all clean kernel.bin emulate hdd.img
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obj/src/%.nao : src/%.asm
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@echo "[i] Assembling $*.asm..."
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@$(AS) -f elf -o obj/src/$*.nao src/$*.asm
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obj/src/%.o : src/%.c
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@echo "[i] Compiling $*.c ..."
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@mkdir -p obj/src/$*.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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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: $(TIER1)
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kernel.bin: Tier0 Tier1
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@echo "[i] Linking kernel.bin..."
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@$(LD) -T src/kernel.ld -o kernel.bin $(TIER0) $(TIER1)
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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: kernel.bin
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@echo "[i] Starting GDB..."
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@gnome-terminal -x /bin/bash -c "gdb"
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@echo "[i] Starting QEmu..."
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@qemu -kernel kernel.bin -S -gdb tcp::1234
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emulate-nohdd: kernel.bin
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@echo "[i] Starting QEMU..."
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@qemu -kernel 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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@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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