72 lines
1.9 KiB
Makefile
72 lines
1.9 KiB
Makefile
CC = i386-elf-7.5.0-Linux-x86_64/bin/i386-elf-gcc
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CFLAGS = -ffreestanding -g -Wall -Wextra -mno-sse -mno-mmx -mno-avx -march=i386 -c -I src/
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LD = ld
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LDFLAGS = -T link.ld -melf_i386
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AS = nasm
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ASFLAGS = -f elf
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AR = i386-elf-7.5.0-Linux-x86_64/bin/i386-elf-ar
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SRC_DIR = src
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KERNEL_DIR = $(SRC_DIR)/kernel
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LIBC_DIR = $(SRC_DIR)/libc
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DRIVERS_DIR = $(SRC_DIR)/drivers
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INCLUDE_DIR = include
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FONTS_DIR = $(INCLUDE_DIR)/fonts
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OBJ_DIR = build
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C_SOURCES = $(wildcard $(KERNEL_DIR)/*.c) $(wildcard $(LIBC_DIR)/*.c) $(wildcard $(DRIVERS_DIR)/*.c)
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ASM_SOURCES = $(wildcard $(KERNEL_DIR)/*.s) $(wildcard $(LIBC_DIR)/*.s) $(wildcard $(DRIVERS_DIR)/*.s)
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OBJECTS = $(patsubst $(SRC_DIR)/%, $(OBJ_DIR)/%, $(C_SOURCES:.c=.o) $(ASM_SOURCES:.s=.o))
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TOOLCHAIN_SRC = https://newos.org/toolchains/i386-elf-7.5.0-Linux-x86_64.tar.xz
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TOOLCHAIN_FILE = i386-elf-7.5.0-Linux-x86_64.tar.xz
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FONT_OBJ = $(OBJ_DIR)/fonts/viscii10-8x16.o
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FONT_SRC = $(FONTS_DIR)/viscii10-8x16.psfu
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all: $(OBJ_DIR) kernel.elf
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$(OBJ_DIR):
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mkdir -p $(OBJ_DIR)
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mkdir -p $(OBJ_DIR)/kernel $(OBJ_DIR)/libc $(OBJ_DIR)/drivers $(OBJ_DIR)/fonts $(OBJ_DIR)/programs
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kernel.elf: $(OBJECTS) $(FONT_OBJ)
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$(LD) $(LDFLAGS) $(OBJECTS) $(FONT_OBJ) -o kernel.elf
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$(OBJ_DIR)/%.o: $(SRC_DIR)/%.c
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$(CC) $(CFLAGS) $< -o $@
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$(OBJ_DIR)/%.o: $(SRC_DIR)/%.s
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$(AS) $(ASFLAGS) $< -o $@
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$(FONT_OBJ): $(FONT_SRC) | $(OBJ_DIR)/fonts
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objcopy -O elf32-i386 -B i386 -I binary $(FONT_SRC) $(FONT_OBJ)
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$(OBJ_DIR)/fonts:
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mkdir -p $(OBJ_DIR)/fonts
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toolchain:
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wget $(TOOLCHAIN_SRC)
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tar xf $(TOOLCHAIN_FILE)
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iso: kernel.elf initrd
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cp kernel.elf iso/boot/kernel.elf
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cp grub.cfg iso/boot/grub/grub.cfg
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grub-mkrescue iso -o blankos.iso
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initrd:
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mkdir -p iso/boot/grub
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tar -cf $(OBJ_DIR)/initrd.tar -C $(SRC_DIR)/initrd .
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cp $(OBJ_DIR)/initrd.tar iso/boot
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run: iso
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qemu-system-i386 -drive file=blankos.iso,format=raw
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debug:
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./debug.sh
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clean:
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rm -rf $(OBJ_DIR) kernel.elf blankos.iso $(TOOLCHAIN_FILE) $(SRC_DIR)/initrd/*.bin
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