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# The makefile
OS_NAME := emuos
ARCH = i386
SYSROOT = $(PWD)/sysroot
# Variables for easy access of tools like gcc and nasm
CC = i686-elf-gcc
CXX = i686-elf-g++
LD = i686-elf-ld
NASM = nasm
QEMU = qemu-system-i386
ASMFLAGS = -felf32
#CXXFLAGS := -ffreestanding -O2 -Wall -Wextra -fno-exceptions -fno-rtti
#LDFLAGS := -ffreestanding -O2 -nostdlib
.PHONY: all kernel.bin grub multiboot_test clean
all: kernel.bin grub
#libc.a:
# $(info [INFO] Building libc)
# $(MAKE) -C ./libc/ ARCH=$(ARCH) PREFIX=$(PWD) CC=$(CC) CXX=$(CXX) LD=$(LD) NASM=$(NASM) SYSROOT=$(SYSROOT)
kernel.bin:
$(info [INFO] Building kernel)
$(MAKE) -C ./kernel/ ARCH=$(ARCH) PREFIX=$(PWD) CC=$(CC) CXX=$(CXX) LD=$(LD) NASM=$(NASM) SYSROOT=$(SYSROOT)
grub: kernel.bin grub.cfg
grub-file --is-x86-multiboot $<
cp kernel.bin isodir/boot
cp grub.cfg isodir/boot/grub
grub-mkrescue -o $(OS_NAME).iso isodir
qemu: grub
$(QEMU) -no-shutdown -no-reboot --serial stdio -s -m 512 -hda $(OS_NAME).iso
install: install-headers
install-headers:
$(MAKE) -C ./kernel/ install-headers SYSROOT=$(SYSROOT)
clean:
-@$(MAKE) -C ./kernel/ clean SYSROOT=$(SYSROOT)
-@$(RM) $(wildcard *.bin)
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