| jmk_project := kernel |
| jmk_target = kernel.elf |
| ROOT := /home/ch/dev/bluejay |
| ASM ?= nasm |
| CC ?= gcc |
| LD ?= ld |
| CFLAGS += -I$(ROOT)/include |
| |
| all: $(jmk_target) |
| |
| CFLAGS += -nostdlib -nostdinc -fno-builtin -fno-stack-protector -ffreestanding |
| CFLAGS += -O2 |
| CFLAGS += -g |
| CFLAGS += -m32 |
| CFLAGS += -Wall -Wno-unused-function -Wno-unused-variable |
| ASM = nasm |
| |
| |
| .c.o: |
| $(CC) -c $< -o $@ $(CFLAGS) |
| |
| .s.o: |
| $(ASM) $(ASMFLAGS) $< -o $@ |
| |
| |
| |
| |
| jmk_lib_path_initrd = $(ROOT)/boot/initrd |
| jmk_lib_target_initrd = initrd.img |
| jmk_libs_phony += $(jmk_lib_path_initrd)/$(jmk_lib_target_initrd) |
| |
| $(jmk_lib_path_initrd)/$(jmk_lib_target_initrd): |
| $(MAKE) -C $(jmk_lib_path_initrd) $(jmk_lib_target_initrd) |
| |
| LDFLAGS = -Tlink.ld -melf_i386 |
| ASMFLAGS = -felf |
| QEMUFLAGS = -d cpu_reset |
| |
| OBJECTS = boot.o \ |
| main.o \ |
| descriptor_tables.o \ |
| io.o \ |
| vga.o \ |
| gdt_flush.o \ |
| idt.o \ |
| log.o \ |
| irq.o \ |
| pic.o \ |
| timer.o \ |
| paging.o \ |
| switch_table.o \ |
| scan_codes.o \ |
| kheap.o \ |
| alloc.o \ |
| vfs.o \ |
| multiboot.o \ |
| vfs_initrd.o |
| |
| $(jmk_target): $(OBJECTS) |
| $(LD) $(LDFLAGS) -o $@ $^ |
| |
| |
| debug: kernel.elf |
| qemu-system-i386 -s -S -kernel kernel.elf & |
| @echo run "target remote localhost:1234" to connect to qemu |
| gdb |
| @pkill qemu-system-i38 |
| |
| qemu: kernel.elf |
| qemu-system-i386 $(QEMUFLAGS) -monitor stdio -kernel kernel.elf -no-reboot |
| |
| qemu-iso: install |
| qemu-system-i386 $(QEMUFLAGS) -monitor stdio $(ROOT)/bin/bluejay.iso |
| |
| scan_codes.c: gen_scan_codes.py scan_codes.tsv |
| python3 $< > $@ |
| |
| install: kernel.elf $(jmk_lib_path_initrd)/$(jmk_lib_target_initrd) |
| cp kernel.elf $(ROOT)/boot/ |
| rm -f $(ROOT)/bin/bluejay.iso |
| grub-mkrescue -o $(ROOT)/bin/bluejay.iso $(ROOT) |
| |
| clean: |
| rm -f *.o *.a *.so $(jmk_target) |
| |
| Makefile: Jmk |
| cd "/home/ch/dev/bluejay" && ./bin/jmk |
| |
| .PHONY: $(jmk_libs_phony) $(jmk_custom_phony) clean all |