boredos_mirror/Makefile
2026-02-26 22:11:46 +01:00

143 lines
4.4 KiB
Makefile

# BoredOS Makefile
# Target Architecture: x86_64
# Host: macOS
CC = x86_64-elf-gcc
LD = x86_64-elf-ld
NASM = nasm
XORRISO = xorriso
SRC_DIR = src/kernel
BUILD_DIR = build
ISO_DIR = iso_root
KERNEL_ELF = $(BUILD_DIR)/boredos.elf
ISO_IMAGE = boredos.iso
C_SOURCES = $(wildcard $(SRC_DIR)/*.c)
CLI_APP_SOURCES = $(wildcard $(SRC_DIR)/cli_apps/*.c)
ASM_SOURCES = $(wildcard $(SRC_DIR)/*.asm)
OBJ_FILES = $(patsubst $(SRC_DIR)/%.c, $(BUILD_DIR)/%.o, $(C_SOURCES)) \
$(patsubst $(SRC_DIR)/cli_apps/%.c, $(BUILD_DIR)/cli_apps/%.o, $(CLI_APP_SOURCES)) \
$(patsubst $(SRC_DIR)/%.asm, $(BUILD_DIR)/%.o, $(ASM_SOURCES))
CFLAGS = -g -O2 -pipe -Wall -Wextra -std=gnu11 -ffreestanding \
-fno-stack-protector -fno-stack-check -fno-lto -fPIE \
-m64 -march=x86-64 -mno-80387 -mno-mmx -mno-sse -mno-sse2 -mno-red-zone \
-I$(SRC_DIR) -I$(SRC_DIR)/cli_apps
LDFLAGS = -m elf_x86_64 -nostdlib -static -pie --no-dynamic-linker \
-z text -z max-page-size=0x1000 -T linker.ld
NASMFLAGS = -f elf64
# Limine Version
LIMINE_VERSION = 10.8.2
LIMINE_URL_BASE = https://github.com/limine-bootloader/limine/raw/v$(LIMINE_VERSION)
.PHONY: all clean run limine-setup
all: $(ISO_IMAGE)
# Ensure build directories exist
$(BUILD_DIR):
mkdir -p $(BUILD_DIR)
mkdir -p $(BUILD_DIR)/cli_apps
# Download Limine Binaries via Git
limine-setup:
@if [ ! -f limine/limine-bios.sys ]; then \
echo "Limine binaries missing or invalid. Cloning v$(LIMINE_VERSION)-binary..."; \
rm -rf limine; \
git clone https://github.com/limine-bootloader/limine.git --branch=v$(LIMINE_VERSION)-binary --depth=1 limine; \
fi
@if [ ! -f $(SRC_DIR)/limine.h ]; then \
echo "Copying limine.h..."; \
cp limine/limine.h $(SRC_DIR)/limine.h; \
fi
@echo "Building Limine host utility..."; \
$(MAKE) -C limine
# Compile C Sources
$(BUILD_DIR)/%.o: $(SRC_DIR)/%.c | $(BUILD_DIR) limine-setup
$(CC) $(CFLAGS) -c $< -o $@
# Compile CLI Apps C Sources
$(BUILD_DIR)/cli_apps/%.o: $(SRC_DIR)/cli_apps/%.c | $(BUILD_DIR) limine-setup
$(CC) $(CFLAGS) -c $< -o $@
# Assemble ASM Sources
$(BUILD_DIR)/%.o: $(SRC_DIR)/%.asm | $(BUILD_DIR)
$(NASM) $(NASMFLAGS) $< -o $@
# Assemble test files specifically if they get missed
$(BUILD_DIR)/test_syscall.o: $(SRC_DIR)/test_syscall.asm | $(BUILD_DIR)
$(NASM) $(NASMFLAGS) $< -o $@
$(BUILD_DIR)/user_test.o: $(SRC_DIR)/user_test.asm | $(BUILD_DIR)
$(NASM) $(NASMFLAGS) $< -o $@
$(BUILD_DIR)/process_asm.o: $(SRC_DIR)/process_asm.asm | $(BUILD_DIR)
$(NASM) $(NASMFLAGS) $< -o $@
# Link Kernel
$(KERNEL_ELF): $(OBJ_FILES)
$(LD) $(LDFLAGS) -o $@ $(OBJ_FILES)
$(MAKE) -C $(SRC_DIR)/userland
# Create ISO
$(ISO_IMAGE): $(KERNEL_ELF) limine.conf limine-setup
rm -rf $(ISO_DIR)
mkdir -p $(ISO_DIR)
mkdir -p $(ISO_DIR)/EFI/BOOT
# Copy Kernel and Config
cp $(KERNEL_ELF) $(ISO_DIR)/
# Build ISO limine.conf natively with modules
cp limine.conf $(ISO_DIR)/
mkdir -p $(ISO_DIR)/bin
@for f in $(SRC_DIR)/userland/*.elf; do \
if [ -f "$$f" ]; then \
basename=$$(basename "$$f"); \
cp "$$f" $(ISO_DIR)/bin/; \
echo " module_path: boot():/bin/$$basename" >> $(ISO_DIR)/limine.conf; \
fi \
done
# Copy README
# Copy Wallpaper (if it exists)
@if [ -f src/kernel/wallpaper.ppm ]; then cp src/kernel/wallpaper.ppm $(ISO_DIR)/; fi
@if [ -f splash.jpg ]; then cp splash.jpg $(ISO_DIR)/; fi
# Copy Limine Bootloader Files (flat structure in binary branch)
cp limine/limine-bios.sys $(ISO_DIR)/
cp limine/limine-bios-cd.bin $(ISO_DIR)/
cp limine/limine-uefi-cd.bin $(ISO_DIR)/
# Create EFI Boot Files
cp limine/BOOTX64.EFI $(ISO_DIR)/EFI/BOOT/
cp limine/BOOTIA32.EFI $(ISO_DIR)/EFI/BOOT/
# Generate ISO
$(XORRISO) -as mkisofs -b limine-bios-cd.bin \
-no-emul-boot -boot-load-size 4 -boot-info-table \
--efi-boot limine-uefi-cd.bin \
-efi-boot-part --efi-boot-image --protective-msdos-label \
$(ISO_DIR) -o $(ISO_IMAGE)
# Install Limine to ISO (for BIOS boot)
./limine/limine bios-install $(ISO_IMAGE)
clean:
rm -rf $(BUILD_DIR) $(ISO_DIR) $(ISO_IMAGE)
run: $(ISO_IMAGE)
dd if=/dev/zero of=disk.img bs=1M count=64
mformat -i disk.img -F ::
qemu-system-x86_64 -m 2G -serial stdio -cdrom $< -boot d \
-audiodev coreaudio,id=audio0 -machine pcspk-audiodev=audio0 \
-netdev user,id=net0,hostfwd=udp::12345-:12345 -device e1000,netdev=net0 \
-vga std -global VGA.xres=1920 -global VGA.yres=1080 \
-drive file=disk.img,format=raw \
-no-reboot -d int -D qemu-debug.log