mirror of
https://github.com/gbowne1/ClassicOS.git
synced 2025-05-15 17:11:26 -07:00
36 lines
737 B
Makefile
36 lines
737 B
Makefile
AS = nasm
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CC = gcc
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LD = ld
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QEMU = qemu-system-i386
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IMG_SIZE = 1440k
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BOOT_SRC = bootloader/boot.asm
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BOOT_BIN = build/boot.bin
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BOOT_IMG = build/boot.img
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KERNEL_SRC = kernel/kmain.c
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KERNEL_BIN = build/kernel.bin
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DISK_IMG = build/disk.img
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all: $(BOOT_IMG) $(KERNEL_BIN) $(DISK_IMG)
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$(BOOT_BIN): $(BOOT_SRC)
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$(AS) -f bin -o $@ $<
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$(BOOT_IMG): $(BOOT_BIN)
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cp $(BOOT_BIN) $@
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truncate -s $(IMG_SIZE) $@
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$(KERNEL_BIN): $(KERNEL_SRC)
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$(CC) -ffreestanding -c $< -o build/kernel.o
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$(LD) -T bootloader/linker.ld -o $@ build/kernel.o
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$(DISK_IMG): $(BOOT_IMG) $(KERNEL_BIN)
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dd if=$(BOOT_IMG) of=$@ bs=512 seek=4
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dd if=$(KERNEL_BIN) of=$@ bs=512 seek=200
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run: $(DISK_IMG)
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$(QEMU) -drive file=$<,format=raw,if=floppy
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clean:
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rm -rf build
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