3.8.7. mm - memory modify with mask

3.8.7.1. Usage

mm [-bwld] ADDR VAL MASK

3.8.7.2. Synopsis

Set/clear bits specified with MASK in ADDR to VALUE

3.8.7.3. Options

-b	byte access
-w	word access (16 bit)
-l	long access (32 bit)
-d FILE	write file (default /dev/mem)