blueos/Makefile.i386 at main · NopAngel/blueos · GitHub

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# BlueOS / Makefile.i386
include .config

ifeq ($(V),1)
  Q =
else
  Q = @
endif

CC      = gcc
ASM     = nasm
LD      = ld
QEMU    = qemu-system-i386
GRUB_MKRESCUE = grub-mkrescue


GCC_INC = $(shell $(CC) -print-file-name=include)
CFLAGS  = -m32 -ffreestanding -fno-builtin -std=gnu99 -nostdlib \
          -fno-stack-protector -nostdinc -fno-pic -I. -Iinclude -I$(GCC_INC) -O2 \
		  -DI386
ASFLAGS = -f elf32
LDFLAGS = -m elf_i386 -T arch/i386/link.ld -z noexecstack

KERNEL_BIN = kernel.bin
KERNEL_ISO = blueos.iso


obj-y := arch/i386/boot.o arch/printk.o arch/i386/panic.o arch/i386/task.o lib/string.o \
         arch/i386/interrupts.o arch/i386/interrupt_entry.o arch/i386/profile.o usr/auth.o \
         arch/i386/switch.o arch/i386/bg.o drivers/multilru.o kernel/sysctl.o \
         fs/help.o drivers/tty/tty.o drivers/keyboard/keyboard.o arch/i386/syscall.o \
         drivers/scsi/scsi_core.o arch/i386/pic.o drivers/scsi/scsi_lsi.o \
         drivers/pci/pci.o drivers/pinctrl/pinctrl.o arch/i386/idt.o arch/i386/interrupt_stubs.o \
         arch/i386/irq.o fs/vboxfs/vboxfs.o drivers/power/power.o arch/i386/keyboard_io.o \
         fs/9p/9p.o drivers/net/mac80211.o kernel/vmcore_info.o drivers/leds/leds.o drivers/vhost/vhost_net.o \
         arch/i386/apic.o arch/i386/kvm.o kernel/hlec.o arch/i386/timer.o kernel/hpet.o arch/i386/shell.o \
         drivers/rtc/rtc.o drivers/battery/battery.o arch/i386/mm/memory.o arch/i386/acpi.o \
         arch/i386/kernel.o arch/i386/init_fnc.o arch/i386/intel.o arch/i386/amd.o arch/i386/interrupts-a.o \
         drivers/isapnp/isapnp.o drivers/usb/usb.o drivers/dma/hdc_dma.o crypto/sha256.o drivers/bcma/bcma.o kernel/module.o drivers/bluefetch.o kernel/ksyms.o fs/xfs/xfs.o fs/jfs/jfs.o fs/vfs/vfs.o fs/ramfs/fs.o sound/sdw/s.o drivers/net/rtl8139.o lib/network.o \
         fs/fat32/fat32.o drivers/ata/ata.o init/hyper.o arch/i386/cmdline.o drivers/amba/amba_pl011.o fs/9p/vfs_9p.o drivers/virtio/virtio_9p.o fs/adfs/adfs.o fs/ext2/ext2.o arch/i386/commands.o  \
		 drivers/connector/connector.o drivers/i2c/i2c.o drivers/thermal/lm75.o drivers/soc/soc_intel.o drivers/pnp/pnp.o drivers/core/live_config.o \
		 arch/i386/pm.o

RUST_LIB = rust/target/i686-unknown-linux-gnu/release/librust.a

all: version_h $(KERNEL_BIN)

version_h:
	@echo "  UPD      include/version.h"
	$(Q)sed -i 's/#define UTS_VERSION.*/#define UTS_VERSION    "#1 SMP PREEMPT '"$$(date +'%Y-%m-%d %H:%M:%S')"'"/' include/version.h

$(KERNEL_BIN): rust_module $(obj-y)
	@echo "  LD       $@"
	$(Q)$(LD) $(LDFLAGS) -o $@ $(obj-y) --whole-archive $(RUST_LIB) --no-whole-archive
	@echo "  DONE     BlueOS Kernel is ready."

%.o: %.c
	@echo "  CC       $@"
	$(Q)$(CC) $(CFLAGS) -c $< -o $@

%.o: %.asm
	@echo "  AS       $@"
	$(Q)$(ASM) $(ASFLAGS) $< -o $@

arch/i386/%.o: arch/i386/%.s
	@echo "  NASM     $@"
	$(Q)$(ASM) $(ASFLAGS) $< -o $@

# Rust Module
rust_module:
	@echo "  RUST     Building core module"
	$(Q)cd rust && RUSTFLAGS="-C relocation-model=static" cargo build --release \
	    -Z build-std=core --target i686-unknown-linux-gnu

iso: all
	@echo "  MKISO    $(KERNEL_ISO)"
	@mkdir -p iso_root/boot/grub
	@cp $(KERNEL_BIN) iso_root/boot/$(KERNEL_BIN)
	@echo 'set timeout=0\nset default=0\nmenuentry "BlueOS" {\n  multiboot /boot/$(KERNEL_BIN)\n  boot\n}' > iso_root/boot/grub/grub.cfg
	$(Q)$(GRUB_MKRESCUE) -o $(KERNEL_ISO) iso_root
	@rm -rf iso_root

run: all
	$(Q)$(QEMU) -kernel $(KERNEL_BIN) -m 256M -nographic

clean:
	@echo "  CLEAN    Objects and binaries"
	$(Q)rm -f $(KERNEL_BIN) $(KERNEL_ISO)
	$(Q)find . -name "*.o" -type f -delete
	$(Q)cd rust && cargo clean

.PHONY: all clean run rust_module iso version_h