Literally everything

post-sound, pre-music

Everything

Makefile

@@ -0,0 +1,52 @@
+CC=i386-elf-gcc
+ASM=i386-elf-as
+LD=i386-elf-ld
+
+GFLAGS=
+CCFLAGS=-m32 -std=c11 -O2 -g -Wall -Wextra -Wpedantic -Wstrict-aliasing
+CCFLAGS+=-Wno-pointer-arith -Wno-unused-parameter
+CCFLAGS+=-nostdlib -nostdinc -ffreestanding -fno-pie -fno-stack-protector
+CCFLAGS+=-fno-builtin-function -fno-builtin
+ASFLAGS=
+LDFLAGS=
+
+BOOTSECT_SRCS=\
+	src/stage0.S
+
+BOOTSECT_OBJS=$(BOOTSECT_SRCS:.S=.o)
+
+KERNEL_C_SRCS=$(wildcard src/*.c)
+KERNEL_S_SRCS=$(filter-out $(BOOTSECT_SRCS), $(wildcard src/*.S))
+KERNEL_OBJS=$(KERNEL_C_SRCS:.c=.o) $(KERNEL_S_SRCS:.S=.o)
+
+BOOTSECT=bootsect.bin
+KERNEL=kernel.bin
+ISO=boot.iso
+
+all: dirs bootsect kernel
+
+dirs:
+	mkdir -p bin
+
+clean:
+	rm ./**/*.o
+	rm ./*.iso
+	rm ./**/*.elf
+	rm ./**/*.bin
+
+%.o: %.c
+	$(CC) -o $@ -c $< $(GFLAGS) $(CCFLAGS)
+
+%.o: %.S
+	$(ASM) -o $@ -c $< $(GFLAGS) $(ASFLAGS)
+
+bootsect: $(BOOTSECT_OBJS)
+	$(LD) -o ./bin/$(BOOTSECT) $^ -Ttext 0x7C00 --oformat=binary
+
+kernel: $(KERNEL_OBJS)
+	$(LD) -o ./bin/$(KERNEL) $^ $(LDFLAGS) -Tsrc/link.ld
+
+iso: bootsect kernel
+	dd if=/dev/zero of=boot.iso bs=512 count=2880
+	dd if=./bin/$(BOOTSECT) of=boot.iso conv=notrunc bs=512 seek=0 count=1
+	dd if=./bin/$(KERNEL) of=boot.iso conv=notrunc bs=512 seek=1 count=2048