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OBJ := $(shell cat OBJ)
CC = gcc
LD = ld
INCLUDES = -Idrivers/include -Ikernel/include -Ilibc/include -Iapps/
CFLAGS = -std=gnu99 -ffreestanding -fno-stack-protector -nostdlib -Wall -Wextra -m32 $(INCLUDES) -g
OPTFLAGS = -fexpensive-optimizations -ftree-loop-vectorize -finline-functions -fomit-frame-pointer -ftree-vectorize -O1 -mtune=generic
QEMU = qemu-system-i386
BOCHS = bochs
AS = as
ASFLAGS = -march=i686 --32
ISODIR = isodir
all: kappa.bin
test: kappa.iso
@echo "EMULATOR kappa.iso"
@$(QEMU) kappa.iso
test-bochs: kappa.iso
@echo "BOCHS bochs.cfg"
@$(BOCHS) -f bochs.cfg -q
kappa.iso: kappa.bin
@echo "Building ISO under $(ISODIR)/..."
@mkdir -p $(ISODIR)
@mkdir -p $(ISODIR)/boot
@cp kappa.bin $(ISODIR)/efi.img
@cp kappa.bin $(ISODIR)/boot/kappa.bin
@mkdir -p $(ISODIR)/boot/grub
@cp cdrom/grub.cfg $(ISODIR)/boot/grub
@grub-mkrescue -o kappa.iso $(ISODIR) 2> /dev/null
kappa.bin: $(OBJ) $(SOURCES) Makefile
@$(LD) -T kernel/linker.ld -o kappa.bin -melf_i386 $(OBJ) -L /usr/lib32 -lgcc_s -static
@echo "LD $@"
drivers/gfx.o: drivers/gfx.c Makefile
@echo "CC $<"
@$(CC) $(CFLAGS) -O3 -msse -c $< -o $@
%.o: %.c Makefile
@echo "CC $<"
@$(CC) $(CFLAGS) $(OPTFLAGS) -c $< -o $@
%.o: %.S Makefile
@echo "AS $<"
@$(AS) $(ASFLAGS) -c $< -o $@
clean:
@echo "Cleaning build directory..."
@rm -f $(OBJ) kappa.iso kappa.bin
@rm -rf $(ISODIR)
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