How to load raw binary into Qemu

Issue

As all information I found about Qemu is related to Linux kernel, uboot or elf binaries I can't quite figure out how to load a binary blob from an embedded device into a specific address and execute part of it. The code I want to run does only arithmetics, so there are no hardware dependencies involved.

I would start qemu with something like

qemu-arm -singlestep -g8000

attach gdb, set initial register state and jump to my starting address to single step through it.

But how do I initially load binary data to a specific address and eventually set up an additional ram range?

Solution

It's in fact easy with the Unicorn framework which works on top of Qemu. Based on the example in the websites doc section I wrote a Python script which loads the data, sets the registers, adds a hook which prints important per step information and start execution at the desired address until a target address.

Answered By - user2011659