Unicorn-Bios is a basic BIOS emulator/debugger for Unicorn Engine. It is written to debug the XEOS Operating System boot sequence.

Usage:

Usage: unicorn-bios [OPTIONS] BOOT_IMG
 
 Options:
     
     --help   / -h:  Displays help.
     --memory / -m:  The amount of memory to allocate for the virtual machine
                     (in megabytes). Defaults to 64MB, minimum 2MB.
     --break / -b    Breaks on a specific address.
     --break-int:    Breaks on interrupt calls.
     --break-iret:   Breaks on interrupt returns.
     --trap:         Raises a trap when breaking.
     --debug-video:  Turns on debug output for video services.
     --single-step:  Breaks on every instruction.
     --no-ui:        Don't start the user interface (output will be displayed to stdout, 
                     debug info to stderr).
     --no-colors:    Don't use colors.
 
 

Installation:

brew install --HEAD macmade/tap/unicorn-bios