1  kernel_source_files := $(shell find src/impl/kernel -name *.c)
 2  kernel_object_files := $(patsubst src/impl/kernel/%.c, build/kernel/%.o, $(kernel_source_files))
 3  
 4  x86_64_c_source_files := $(shell find src/impl/x86_64 -name *.c)
 5  x86_64_c_object_files := $(patsubst src/impl/x86_64/%.c, build/x86_64/%.o, $(x86_64_c_source_files))
 6  
 7  x86_64_asm_source_files := $(shell find src/impl/x86_64 -name *.asm)
 8  x86_64_asm_object_files := $(patsubst src/impl/x86_64/%.asm, build/x86_64/%.o, $(x86_64_asm_source_files))
 9  
10  x86_64_object_files := $(x86_64_c_object_files) $(x86_64_asm_object_files)
11  
12  $(x86_64_c_object_files): build/x86_64/%.o : src/impl/x86_64/%.c
13  	mkdir -p $(dir $@) && \
14  		x86_64-elf-gcc -c -I src/intf -ffreestanding $(patsubst build/x86_64/%.o, src/impl/x86_64/%.c, $@) -o $@
15  
16  $(kernel_object_files): build/kernel/%.o : src/impl/kernel/%.c
17  	mkdir -p $(dir $@) && \
18  		x86_64-elf-gcc -c -I src/intf -ffreestanding $(patsubst build/kernel/%.o, src/impl/kernel/%.c, $@) -o $@
19  
20  $(x86_64_asm_object_files): build/x86_64/%.o : src/impl/x86_64/%.asm
21  	mkdir -p $(dir $@) && \
22  		nasm -f elf64 $(patsubst build/x86_64/%.o, src/impl/x86_64/%.asm, $@) -o $@
23  
24  .PHONY: build-x86_64
25  build-x86_64: $(kernel_object_files) $(x86_64_object_files)
26  	mkdir -p dist/x86_64 && \
27  		x86_64-elf-ld -n -o dist/x86_64/kernel.bin -T targets/x86_64/linker.ld $(kernel_object_files) $(x86_64_object_files) && \
28  		cp dist/x86_64/kernel.bin targets/x86_64/iso/boot/kernel.bin && \
29  		grub-mkrescue /usr/lib/grub/i386-pc -o dist/x86_64/kernel.iso targets/x86_64/iso
30