1/*
2 * Copyright (c) 2004-2005 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;

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60TsunamiIO::RTC::RTC(const string &n, Tsunami* tsunami, const vector<int> &t,
61 bool bcd, Tick i)
62 : _name(n), event(tsunami, i), addr(0), year_is_bcd(bcd)
63{
64 memset(clock_data, 0, sizeof(clock_data));
65 stat_regA = RTCA_32768HZ | RTCA_1024HZ;
66 stat_regB = RTCB_PRDC_IE |RTCB_BIN | RTCB_24HR;
67
68 struct tm tm;
69 parseTime(t, &tm);
70
71 year = tm.tm_year;
72
73 if (year_is_bcd) {
74 // The datasheet says that the year field can be either BCD or
75 // years since 1900. Linux seems to be happy with years since
76 // 1900.
77 year = year % 100;
78 int tens = year / 10;
79 int ones = year % 10;
80 year = (tens << 4) + ones;
81 }
82
83 // Unix is 0-11 for month, data seet says start at 1
84 mon = tm.tm_mon + 1;
85 mday = tm.tm_mday;
86 hour = tm.tm_hour;
87 min = tm.tm_min;
88 sec = tm.tm_sec;
89
90 // Datasheet says 1 is sunday
91 wday = tm.tm_wday + 1;
92
93 DPRINTFN("Real-time clock set to %s", asctime(&tm));
94}
95
96void
97TsunamiIO::RTC::writeAddr(const uint8_t data)
98{
99 if (data <= RTC_STAT_REGD)
100 addr = data;
101 else

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