RTC_ADDR_REBOOTCNT
if (cmos_read(RTC_ADDR_REBOOTCNT) > 0)
cmos_read(RTC_ADDR_REBOOTCNT));
if (cmos_read(RTC_ADDR_REBOOTCNT) > 8)
cmos_write(RTC_ADDR_REBOOTCNT,
cmos_read(RTC_ADDR_REBOOTCNT) + 1);
cmos_write(RTC_ADDR_REBOOTCNT, 0);