tag	line	file	source code
CS8	493	kernel/chr_drv/tty_io.c	B38400 | CS8,
CS8	510	kernel/chr_drv/tty_io.c	B2400 | CS8,
CS8	527	kernel/chr_drv/tty_io.c	B9600 | CS8,
CS8	542	kernel/chr_drv/tty_io.c	B9600 | CS8,