X-Git-Url: http://git.dujemihanovic.xyz/%7B%7B?a=blobdiff_plain;f=Makefile;h=f254d0c8ed42952a44a7d1cd42ad6c699b727b63;hb=da4e7bf5dd2b9448b638255a20ee503b0641e495;hp=c8f15f3d53be49549e5fb28c3afa609bef1e7536;hpb=9fc180435dd7b476130851c48e1ac28009daa864;p=nameless-os.git

diff --git a/Makefile b/Makefile
index c8f15f3..f254d0c 100644
--- a/Makefile
+++ b/Makefile
@@ -1,45 +1,55 @@
-AS = yasm
-LD = i686-elf-ld
-CC = i686-elf-gcc
+export AS = yasm
+ASFLAGS = -g dwarf2 -f elf
+export CC = i686-elf-gcc
+QEMU = qemu-system-i386 -monitor stdio
 
-GIT_REV = $(shell git rev-parse --short HEAD)
+export GIT_REV = $(shell git describe --long HEAD)
 
-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
+CFLAGS = -g -fgnu89-inline -Ikernel/include -Ikernel/include/arch/x86 -ffreestanding -DGIT_COMMIT=\"$(GIT_REV)\"
 
-all: boot.img kernel/kernel.elf
+KERNEL_OBJ = kernel/entry.o kernel/arch/x86/halt.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
 
-boot.img: boot/x86/boot kernel/kernel.bin
-	cat boot/x86/boot kernel/kernel.bin > $@
-	truncate -s1440K $@
+BOOTLOADER_OBJ = boot/x86/mbr boot/x86/vbr-fat32 boot/x86/stage3/LOADER.BIN boot/x86/stage3/loader.elf
 
-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 $@
+default: kernel/kernel.elf bootloader
 
-kernel/kernel.bin: ${KERNEL_OBJ}
-	$(LD) -o $@ -T kernel/linker.ld ${KERNEL_OBJ} 
+all: default boot/x86/disk.img
 
-kernel/entry.o: kernel/entry.s
-	$(AS) -f elf kernel/entry.s -o $@
+bootloader: $(BOOTLOADER_OBJ)
 
-kernel/arch/x86/tty/tty.o: kernel/arch/x86/tty/tty.c
-	$(CC) -std=gnu89 -g -o $@ -Iinclude/arch/x86 -ffreestanding -c kernel/arch/x86/tty/tty.c
+run: all
+	$(QEMU) boot/x86/disk.img
 
-kernel/drivers/irq/i8259a.o: kernel/drivers/irq/i8259a.c
-	$(CC) -std=gnu89 -g -o $@ -Iinclude/arch/x86 -ffreestanding -c kernel/drivers/irq/i8259a.c
+debug: all
+	$(QEMU) -s -S boot/x86/disk.img
 
-kernel/arch/x86/irq/idt.o: kernel/arch/x86/irq/idt.c
-	$(CC) -std=gnu89 -g -o $@ -Iinclude/arch/x86 -ffreestanding -c kernel/arch/x86/irq/idt.c
+boot/x86/mbr: boot/x86/mbr.s
+boot/x86/vbr-fat32: boot/x86/vbr-fat32.s boot/x86/fat32/*.s 
+boot/x86/stage3/LOADER.BIN: boot/x86/stage3/*.s boot/x86/stage3/*.c boot/x86/fat32/*.s boot/x86/stage3/stage3.ld
+boot/x86/stage3/loader.elf: boot/x86/stage3/*.s boot/x86/stage3/*.c boot/x86/fat32/*.s boot/x86/stage3/stage3.ld
+$(BOOTLOADER_OBJ):
+	$(MAKE) -C boot/x86
 
-kernel/arch/x86/irq/sample_handler.o: kernel/arch/x86/irq/sample_handler.c
-	$(CC) -std=gnu89 -g -o $@ -Iinclude/arch/x86 -ffreestanding -mgeneral-regs-only -c kernel/arch/x86/irq/sample_handler.c
+boot/x86/disk.img: boot/x86/mbr boot/x86/vbr-fat32 boot/x86/stage3/LOADER.BIN boot/x86/disk.dump kernel/kernel.elf
+	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.elf ::./KERNEL.ELF
 
-kernel/kernel.o: kernel/kernel.c
-	$(CC) -std=gnu89 -g -o $@ -Iinclude/arch/x86 -ffreestanding -DGIT_COMMIT=\"$(GIT_REV)\" -c kernel/kernel.c
+kernel/arch/x86/irq/sample_handler.o: kernel/arch/x86/irq/sample_handler.c
+	$(CC) $(CFLAGS) -mgeneral-regs-only -c $< -o $@
 
-kernel/kernel.elf: kernel/kernel.bin
-	$(LD) -o $@ -T kernel/linker.ld ${KERNEL_OBJ} --oformat=elf32-i386
+kernel/kernel.elf: $(KERNEL_OBJ)
+	$(CC) -ffreestanding -nostdlib -o $@ -T kernel/linker.ld ${KERNEL_OBJ} -lgcc
+	i686-elf-objcopy --only-keep-debug kernel/kernel.elf kernel/kernel.dbg
+	i686-elf-objcopy --add-gnu-debuglink=kernel/kernel.dbg kernel/kernel.elf
+	i686-elf-strip --strip-unneeded kernel/kernel.elf
 
 clean:
-	rm boot/x86/boot kernel/kernel.bin kernel/kernel.elf ${KERNEL_OBJ} boot.img
+	-rm kernel/kernel.{dbg,elf} ${KERNEL_OBJ}
+	cd boot/x86 && $(MAKE) clean
 
-.PHONY: all clean
+.PHONY: default all clean run debug bootloader