52 lines
1.4 KiB
Makefile
52 lines
1.4 KiB
Makefile
CC = gcc
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CFLAGS = -m32 -nostdlib -nostdinc -fno-builtin -fno-stack-protector -nostartfiles -nodefaultlibs -Wall -Wextra -c -I src/
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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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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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PROGRAMS_DIR = $(SRC_DIR)/programs
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OBJ_DIR = build
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C_SOURCES = $(wildcard $(KERNEL_DIR)/*.c) $(wildcard $(LIBC_DIR)/*.c) $(wildcard $(PROGRAMS_DIR)/*.c)
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ASM_SOURCES = $(wildcard $(KERNEL_DIR)/*.s) $(wildcard $(LIBC_DIR)/*.s) $(wildcard $(PROGRAMS_DIR)/*.s)
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OBJECTS = $(patsubst $(SRC_DIR)/%, $(OBJ_DIR)/%, $(C_SOURCES:.c=.o) $(ASM_SOURCES:.s=.o))
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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)/programs
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kernel.elf: $(OBJECTS)
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ld $(LDFLAGS) $(OBJECTS) -o kernel.elf
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$(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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os.iso: kernel.elf
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cp kernel.elf iso/boot/kernel.elf
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genisoimage -R \
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-b boot/grub/stage2_eltorito \
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-no-emul-boot \
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-boot-load-size 4 \
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-A os \
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-input-charset utf8 \
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-quiet \
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-boot-info-table \
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-o os.iso \
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iso
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run: os.iso
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bochs -f bochsrc.txt -q
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clean:
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rm -rf $(OBJ_DIR) kernel.elf os.iso
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