10.4.4 rtc.h: NVRAM Register locations

 

SYNOPSIS

#include <oskit/x86/pc/rtc.h>

DESCRIPTION

This file is taken from FreeBSD (XXX cite?) and contains definitions for the standard NVRAM, or Real Time Clock, register locations.

rtcin(unsigned char addr)

  Returns the 8-bit value from location addr.

rtcout(unsigned char addr, unsigned char val)

  Writes val to location addr.