tag	line	file	source code
status2	241	kernel/chr_drv/serial.c	unsigned char status1, status2, scratch;
status2	253	kernel/chr_drv/serial.c	status2 = inb(port+7);
status2	254	kernel/chr_drv/serial.c	if (status1 == 0xa5 && status2 == 0x5a) {