2018-07-20 15:41:58 +02:00
|
|
|
# Used to generated .d file that deal with header dependencies
|
|
|
|
|
CPPFLAGS = -MMD
|
|
|
|
|
AS=nasm
|
|
|
|
|
ASFLAGS += -f elf32
|
2018-07-20 17:10:58 +02:00
|
|
|
LDFLAGS += -g -m32 -nostdlib -static -fno-common -fno-use-cxa-atexit -fno-exceptions -fno-non-call-exceptions -fno-weak -fno-rtti -fno-stack-protector
|
|
|
|
|
CFLAGS += -g -m32 -Wall -Wextra -Werror -ffreestanding -fno-exceptions -fno-pie -fno-stack-protector
|
|
|
|
|
CXXFLAGS += -g -m32 -Wall -Wextra -Werror -ffreestanding -fno-exceptions -fno-rtti -fno-pie
|
2018-07-20 15:41:58 +02:00
|
|
|
|
|
|
|
|
SUBDIRS := core drivers
|
|
|
|
|
|
|
|
|
|
CPPFLAGS += $(foreach dir, $(SUBDIRS), -I$(dir))
|
|
|
|
|
|
|
|
|
|
asmsrc=$(wildcard *.asm)
|
|
|
|
|
asmobj=$(asmsrc:%.asm=%.o)
|
|
|
|
|
csrc=$(shell find $(SUBDIRS) -type f -name "*.c")# $(wildcard *.c)
|
|
|
|
|
cobj=$(csrc:%.c=%.o)
|
|
|
|
|
deps = $(csrc:%.c=%.d)
|
|
|
|
|
|
|
|
|
|
kernel:$(asmobj) $(cobj) linker.ld
|
2018-07-20 16:41:32 +02:00
|
|
|
$(CC) -m32 -ffreestanding -nostdlib $(cobj) $(asmobj) -o $@ -T linker.ld
|
2018-07-20 17:10:58 +02:00
|
|
|
objcopy --only-keep-debug $@ $@.sym
|
|
|
|
|
objcopy --strip-debug $@
|
|
|
|
|
|
2018-07-20 15:41:58 +02:00
|
|
|
|
2018-07-20 16:55:41 +02:00
|
|
|
|
|
|
|
|
|
|
|
|
|
fd.iso: kernel
|
|
|
|
|
mkdir -p isodir/boot/grub
|
|
|
|
|
cp $< isodir/boot/grub/
|
|
|
|
|
@echo -e "menuentry \"myos\" {\n\tmultiboot /boot/kernel\n}" > isodir/boot/grub/grub.cfg
|
|
|
|
|
grub-mkrescue -o $@ isodir
|
|
|
|
|
|
2018-07-20 15:41:58 +02:00
|
|
|
|
|
|
|
|
#https://gcc.gnu.org/onlinedocs/gcc/x86-Function-Attributes.html#x86-Function-Attributes
|
|
|
|
|
core/exception_handler.o:core/exception_handler.c
|
|
|
|
|
$(CC) $(CPPFLAGS) $(CFLAGS) -mgeneral-regs-only -c $< -o $@
|
|
|
|
|
core/irq_handler.o:core/irq_handler.c
|
|
|
|
|
$(CC) $(CPPFLAGS) $(CFLAGS) -mgeneral-regs-only -c $< -o $@
|
|
|
|
|
|
|
|
|
|
%.o:%.asm
|
|
|
|
|
$(AS) $(ASFLAGS) -o $@ $<
|
|
|
|
|
|
|
|
|
|
test:kernel
|
2018-07-20 16:41:32 +02:00
|
|
|
qemu-system-x86_64 -kernel $<
|
2018-07-20 15:41:58 +02:00
|
|
|
|
|
|
|
|
clean:
|
2018-07-20 17:10:58 +02:00
|
|
|
$(RM) kernel $(asmobj) $(cobj) $(deps) fd.iso kernel.sym
|
2018-07-20 15:41:58 +02:00
|
|
|
|
|
|
|
|
ifneq ($(MAKECMDGOALS),clean)
|
|
|
|
|
-include $(deps)
|
|
|
|
|
endif
|
