X-Git-Url: http://git.dujemihanovic.xyz/projects?a=blobdiff_plain;f=Makefile;h=738fb0c89192daa87e3ca2a3c2e65e1b6a43fcd7;hb=5138270e466cf2dd21bf0aa6356672fdcc85fee6;hp=9d95b1ef97134bcebc837fe4ab4cfab1e6fff45a;hpb=73dce672626ceb415b49ff059092c48a2f7c3de3;p=nameless-os.git diff --git a/Makefile b/Makefile index 9d95b1e..738fb0c 100644 --- a/Makefile +++ b/Makefile @@ -1,18 +1,52 @@ -AS = yasm # choose yasm or nasm here -ASFLAGS = -f bin # compile a raw binary +export AS = yasm +export CC = i686-elf-gcc +QEMU = qemu-system-i386 -monitor stdio -boot: boot.s print.s - $(AS) $(ASFLAGS) -o $@ boot.s +GIT_REV = $(shell git rev-parse --short HEAD) -clean: - -rm boot +CFLAGS = -std=gnu89 -g -Iinclude/arch/x86 -ffreestanding -DGIT_COMMIT=\"$(GIT_REV)\" + +KERNEL_OBJ = kernel/entry.o kernel/arch/x86/tty/tty.o kernel/drivers/irq/i8259a.o kernel/arch/x86/irq/idt.o kernel/arch/x86/irq/sample_handler.o kernel/kernel.o + +default: kernel/kernel.elf bootloader + +all: default boot/x86/disk.img + +bootloader: boot/x86/mbr boot/x86/vbr-fat32 boot/x86/stage3/LOADER.BIN + +run: all + $(QEMU) boot/x86/disk.img -run: - qemu-system-i386 boot +boot/x86/mbr: boot/x86/mbr.s + $(MAKE) -C boot/x86 +boot/x86/vbr-fat32: boot/x86/vbr-fat32.s boot/x86/fat32/*.s + $(MAKE) -C boot/x86 +boot/x86/stage3/LOADER.BIN: boot/x86/stage3/*.s boot/x86/fat32/*.s + $(MAKE) -C boot/x86 -help: - @echo "Run 'make' to compile." - @echo "Run 'make clean' to delete compiled objects." - @echo "Run 'make run' to run the compiled object. Must have qemu-system-i386 (but x86_64 should work too)." +boot/x86/disk.img: boot/x86/mbr boot/x86/vbr-fat32 boot/x86/stage3/LOADER.BIN boot/x86/disk.dump + truncate -s1G boot/x86/disk.img + sfdisk boot/x86/disk.img < boot/x86/disk.dump + mkfs.fat -F 32 --offset 2048 boot/x86/disk.img + dd if=boot/x86/mbr of=boot/x86/disk.img bs=440 count=1 conv=notrunc + dd if=boot/x86/vbr-fat32 of=boot/x86/disk.img bs=1 skip=90 seek=1048666 conv=notrunc + mcopy -i boot/x86/disk.img@@1M boot/x86/stage3/LOADER.BIN ::. + mcopy -i boot/x86/disk.img@@1M kernel/kernel.bin ::./KERNEL.BIN + +kernel/kernel.bin: ${KERNEL_OBJ} + $(CC) -ffreestanding -nostdlib -o $@ -T kernel/linker.ld ${KERNEL_OBJ} + +kernel/entry.o: kernel/entry.s + $(AS) -f elf kernel/entry.s -o $@ + +kernel/arch/x86/irq/sample_handler.o: kernel/arch/x86/irq/sample_handler.c + $(CC) $(CFLAGS) -mgeneral-regs-only -c kernel/arch/x86/irq/sample_handler.c -o $@ + +kernel/kernel.elf: kernel/kernel.bin + $(CC) -ffreestanding -nostdlib -o $@ -T kernel/linker.ld ${KERNEL_OBJ} -Wl,--oformat=elf32-i386 + +clean: + -rm kernel/kernel.bin kernel/kernel.elf ${KERNEL_OBJ} + cd boot/x86 && $(MAKE) clean -.PHONY = clean run help +.PHONY: default all clean run bootloader