How to upload a bin file to the second sector of an img image?

Question

assembler

I decided to write a simple OS with a terminal, etc. for the sake of interest. I wrote a loader that should transfer control to the code in the second sector, if it finds it. It would seem that it remains to upload the code there, but I do not know how. I would like to know, preferably by means of qemu-img. Here's my Makefile just in case:

.PHONY: all run

all: os.img

run: all
  qemu-system-x86_64 -fda os.img -boot a

# os.img
os.img: boot.bin
  qemu-img dd if=bin/boot.bin of=os.img

# boot.bin
boot.bin: src/boot.asm
  ./yasm -f bin -o bin/boot.bin src/boot.asm

# hello.bin
hello.bin: src/hello.asm
  ./yasm -f bin -o bin/hello.bin src/hello.asm

Answer 1

dd if=boot.bin of=os.img seek=1 conv=nocreat,notrunc