65 lines
1.9 KiB
Makefile
65 lines
1.9 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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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:=-Wall -Werror -nostdlib -std=c99 -g -ffreestanding
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CFLAGS+=-I ./include -O1 -fno-optimize-sibling-calls
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CFLAGS+= -fno-builtin -nostdinc -target i586-elf -nostdlib
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LFLAGS:=-nostdlib -nostartfiles -nodefaultlibs -m elf_i386
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.PHONY: all clean loader.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 $*.c ..."
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@if [ -e obj/src/$*.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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SRC := $(shell find src -mindepth 1 -maxdepth 3 -name "*.c")
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SRC += $(shell find src -mindepth 1 -maxdepth 3 -name "*.asm")
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OBJ := $(patsubst %.c,%.o,$(SRC))
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OBJ := $(patsubst %.asm,%.nao,$(OBJ))
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OBJ_ALL := $(foreach i, $(OBJ), obj/$(i))
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Loader: $(OBJ_ALL)
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loader.bin: Loader
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@echo "[i] Linking loader.bin..."
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@$(LD) $(LFLAGS) -T src/loader.ld -o loader.bin $(OBJ_ALL)
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emulate-nohdd-debug: loader.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-system-x86_64 --no-kvm -kernel loader.bin -S -gdb tcp::1234
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emulate-nohdd: loader.bin
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@echo "[i] Starting QEMU..."
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@qemu-system-x86_64 --no-kvm -kernel loader.bin
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clean:
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@rm -Rf obj
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@if [ -e loader.bin ] ; then rm loader.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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