Using custom user profile will override default Qiling Framework profile values.

from qiling import *

def my_sandbox(path, rootfs):
    ql = Qiling(path, rootfs, output="debug", profile= "netgear.ql")
    ql.add_fs_mapper("/proc", "/proc")
    ql.run()

if __name__ == "__main__":
    my_sandbox(["rootfs/netgear_r6220/bin/mini_httpd","-d","/www","-r","NETGEAR R6220","-c","**.cgi","-t","300"], "rootfs/netgear_r6220")

content of netgear.ql

[MIPS]
mmap_address = 0x7f7ee000
log_dir = qlog
log_split = True

Default profile for different OSes: