tag	line	file	source code
UART_SCR	1163	kernel/chr_drv/serial.c	scratch = inb(UART_SCR + port);
UART_SCR	1164	kernel/chr_drv/serial.c	outb_p(0xa5, UART_SCR + port);
UART_SCR	1165	kernel/chr_drv/serial.c	status1 = inb(UART_SCR + port);
UART_SCR	1166	kernel/chr_drv/serial.c	outb_p(0x5a, UART_SCR + port);
UART_SCR	1167	kernel/chr_drv/serial.c	status2 = inb(UART_SCR + port);
UART_SCR	1168	kernel/chr_drv/serial.c	outb_p(scratch, UART_SCR + port);