mirror of
https://github.com/BoredDevNL/BoredOS.git
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121 lines
3.6 KiB
Makefile
121 lines
3.6 KiB
Makefile
# BrewOS Makefile
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# Target Architecture: x86_64
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# Host: macOS
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CC = x86_64-elf-gcc
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LD = x86_64-elf-ld
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NASM = nasm
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XORRISO = xorriso
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SRC_DIR = src/kernel
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BUILD_DIR = build
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ISO_DIR = iso_root
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KERNEL_ELF = $(BUILD_DIR)/brewos.elf
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ISO_IMAGE = brewos.iso
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C_SOURCES = $(wildcard $(SRC_DIR)/*.c)
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CLI_APP_SOURCES = $(wildcard $(SRC_DIR)/cli_apps/*.c)
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ASM_SOURCES = $(wildcard $(SRC_DIR)/*.asm)
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OBJ_FILES = $(patsubst $(SRC_DIR)/%.c, $(BUILD_DIR)/%.o, $(C_SOURCES)) \
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$(patsubst $(SRC_DIR)/cli_apps/%.c, $(BUILD_DIR)/cli_apps/%.o, $(CLI_APP_SOURCES)) \
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$(patsubst $(SRC_DIR)/%.asm, $(BUILD_DIR)/%.o, $(ASM_SOURCES))
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CFLAGS = -g -O2 -pipe -Wall -Wextra -std=gnu11 -ffreestanding \
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-fno-stack-protector -fno-stack-check -fno-lto -fPIE \
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-m64 -march=x86-64 -mno-80387 -mno-mmx -mno-sse -mno-sse2 -mno-red-zone \
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-I$(SRC_DIR) -I$(SRC_DIR)/cli_apps
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LDFLAGS = -m elf_x86_64 -nostdlib -static -pie --no-dynamic-linker \
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-z text -z max-page-size=0x1000 -T linker.ld
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NASMFLAGS = -f elf64
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# Limine Version
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LIMINE_VERSION = 7.0.0
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LIMINE_URL_BASE = https://github.com/limine-bootloader/limine/raw/v$(LIMINE_VERSION)
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.PHONY: all clean run limine-setup
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all: $(ISO_IMAGE)
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# Ensure build directories exist
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$(BUILD_DIR):
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mkdir -p $(BUILD_DIR)
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mkdir -p $(BUILD_DIR)/cli_apps
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# Download Limine Binaries via Git
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limine-setup:
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@if [ ! -f limine/limine-bios.sys ]; then \
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echo "Limine binaries missing or invalid. Cloning v$(LIMINE_VERSION)-binary..."; \
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rm -rf limine; \
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git clone https://github.com/limine-bootloader/limine.git --branch=v$(LIMINE_VERSION)-binary --depth=1 limine; \
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fi
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@if [ ! -f $(SRC_DIR)/limine.h ]; then \
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echo "Copying limine.h..."; \
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cp limine/limine.h $(SRC_DIR)/limine.h; \
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fi
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@echo "Building Limine host utility..."; \
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$(MAKE) -C limine
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# Compile C Sources
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$(BUILD_DIR)/%.o: $(SRC_DIR)/%.c | $(BUILD_DIR) limine-setup
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$(CC) $(CFLAGS) -c $< -o $@
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# Compile CLI Apps C Sources
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$(BUILD_DIR)/cli_apps/%.o: $(SRC_DIR)/cli_apps/%.c | $(BUILD_DIR) limine-setup
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$(CC) $(CFLAGS) -c $< -o $@
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# Assemble ASM Sources
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$(BUILD_DIR)/%.o: $(SRC_DIR)/%.asm | $(BUILD_DIR)
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$(NASM) $(NASMFLAGS) $< -o $@
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# Link Kernel
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$(KERNEL_ELF): $(OBJ_FILES)
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$(LD) $(LDFLAGS) -o $@ $(OBJ_FILES)
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# Create ISO
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$(ISO_IMAGE): $(KERNEL_ELF) limine.cfg limine-setup
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rm -rf $(ISO_DIR)
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mkdir -p $(ISO_DIR)
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mkdir -p $(ISO_DIR)/EFI/BOOT
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# Copy Kernel and Config
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cp $(KERNEL_ELF) $(ISO_DIR)/
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cp limine.cfg $(ISO_DIR)/
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# Copy README
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cp README.md $(ISO_DIR)/
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# Copy user file.c if it exists
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@if [ -f file.c ]; then cp file.c $(ISO_DIR)/; fi
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# Copy Wallpaper (if it exists)
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@if [ -f src/kernel/wallpaper.ppm ]; then cp src/kernel/wallpaper.ppm $(ISO_DIR)/; fi
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# Copy Limine Bootloader Files (flat structure in binary branch)
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cp limine/limine-bios.sys $(ISO_DIR)/
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cp limine/limine-bios-cd.bin $(ISO_DIR)/
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cp limine/limine-uefi-cd.bin $(ISO_DIR)/
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# Create EFI Boot Files
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cp limine/BOOTX64.EFI $(ISO_DIR)/EFI/BOOT/
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cp limine/BOOTIA32.EFI $(ISO_DIR)/EFI/BOOT/
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# Generate ISO
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$(XORRISO) -as mkisofs -b limine-bios-cd.bin \
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-no-emul-boot -boot-load-size 4 -boot-info-table \
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--efi-boot limine-uefi-cd.bin \
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-efi-boot-part --efi-boot-image --protective-msdos-label \
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$(ISO_DIR) -o $(ISO_IMAGE)
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# Install Limine to ISO (for BIOS boot)
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./limine/limine bios-install $(ISO_IMAGE)
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clean:
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rm -rf $(BUILD_DIR) $(ISO_DIR) $(ISO_IMAGE)
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run: $(ISO_IMAGE)
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qemu-system-x86_64 -m 2G -serial stdio -cdrom $(ISO_IMAGE) -boot d \
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-audiodev coreaudio,id=audio0 -machine pcspk-audiodev=audio0 \
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-netdev user,id=net0,hostfwd=udp::12345-:12345 -device e1000,netdev=net0
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