tag	line	file	source code
CS8	651	kernel/chr_drv/tty_io.c	B38400 | CS8,
CS8	670	kernel/chr_drv/tty_io.c	B2400 | CS8,
CS8	689	kernel/chr_drv/tty_io.c	B9600 | CS8,
CS8	706	kernel/chr_drv/tty_io.c	B9600 | CS8,