X-Git-Url: http://git.dujemihanovic.xyz/posts?a=blobdiff_plain;f=Makefile;h=738fb0c89192daa87e3ca2a3c2e65e1b6a43fcd7;hb=1d0592f3c62d45b1fc23e807bf8cc2274496a4f5;hp=848c7959b14d9a1d439b3980c83cf7c6dedc0ce4;hpb=aedfdf1f1445cf9fa63fb53c42878240a9ff65ae;p=nameless-os.git diff --git a/Makefile b/Makefile index 848c795..738fb0c 100644 --- a/Makefile +++ b/Makefile @@ -1,6 +1,6 @@ -AS = yasm -LD = i686-elf-ld -CC = i686-elf-gcc +export AS = yasm +export CC = i686-elf-gcc +QEMU = qemu-system-i386 -monitor stdio GIT_REV = $(shell git rev-parse --short HEAD) @@ -8,36 +8,45 @@ CFLAGS = -std=gnu89 -g -Iinclude/arch/x86 -ffreestanding -DGIT_COMMIT=\"$(GIT_RE 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 -all: boot.img kernel/kernel.elf +default: kernel/kernel.elf bootloader -boot.img: boot/x86/boot kernel/kernel.bin - cat boot/x86/boot kernel/kernel.bin > $@ - truncate -s1440K $@ +all: default boot/x86/disk.img -boot/x86/boot: boot/x86/boot.s boot/x86/a20.s boot/x86/protected.s boot/x86/print.s - $(AS) -f bin boot/x86/boot.s -o $@ +bootloader: boot/x86/mbr boot/x86/vbr-fat32 boot/x86/stage3/LOADER.BIN -kernel/kernel.bin: ${KERNEL_OBJ} - $(LD) -o $@ -T kernel/linker.ld ${KERNEL_OBJ} +run: all + $(QEMU) boot/x86/disk.img -kernel/entry.o: kernel/entry.s - $(AS) -f elf kernel/entry.s -o $@ +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 -kernel/arch/x86/tty/tty.o: kernel/arch/x86/tty/tty.c +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/drivers/irq/i8259a.o: kernel/drivers/irq/i8259a.c +kernel/kernel.bin: ${KERNEL_OBJ} + $(CC) -ffreestanding -nostdlib -o $@ -T kernel/linker.ld ${KERNEL_OBJ} -kernel/arch/x86/irq/idt.o: kernel/arch/x86/irq/idt.c +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.o: kernel/kernel.c - kernel/kernel.elf: kernel/kernel.bin - $(LD) -o $@ -T kernel/linker.ld ${KERNEL_OBJ} --oformat=elf32-i386 + $(CC) -ffreestanding -nostdlib -o $@ -T kernel/linker.ld ${KERNEL_OBJ} -Wl,--oformat=elf32-i386 clean: - rm boot/x86/boot kernel/kernel.bin kernel/kernel.elf ${KERNEL_OBJ} boot.img + -rm kernel/kernel.bin kernel/kernel.elf ${KERNEL_OBJ} + cd boot/x86 && $(MAKE) clean -.PHONY: all clean +.PHONY: default all clean run bootloader