diff options
Diffstat (limited to 'src/dev/alpha/tsunami_io.cc')
-rw-r--r-- | src/dev/alpha/tsunami_io.cc | 73 |
1 files changed, 18 insertions, 55 deletions
diff --git a/src/dev/alpha/tsunami_io.cc b/src/dev/alpha/tsunami_io.cc index d701dc98f..58933428c 100644 --- a/src/dev/alpha/tsunami_io.cc +++ b/src/dev/alpha/tsunami_io.cc @@ -65,69 +65,32 @@ TsunamiIO::RTC::RTC(const string &n, Tsunami* tsunami, const vector<int> &t, stat_regA = RTCA_32768HZ | RTCA_1024HZ; stat_regB = RTCB_PRDC_IE |RTCB_BIN | RTCB_24HR; - if (year_is_bcd) { - // The RTC uses BCD for the last two digits in the year. - // They python year is a full year. - int _year = t[0] % 100; - int tens = _year / 10; - int ones = _year % 10; - - year = (tens << 4) + ones; - } else { - // Even though the datasheet says that the year field should be - // interpreted as BCD, we just enter the number of years since - // 1900 since linux seems to be happy with that (and I believe - // that Tru64 was as well) - year = t[0] - 1900; - } - - mon = t[1]; - mday = t[2]; - hour = t[3]; - min = t[4]; - sec = t[5]; - - // wday is defined to be in the range from 1 - 7 with 1 being Sunday. - // the value coming from python is in the range from 0 - 6 with 0 being - // Monday. Fix that here. - wday = t[6] + 2; - if (wday > 7) - wday -= 7; - - DPRINTFN("Real-time clock set to %s", getDateString()); -} - -std::string -TsunamiIO::RTC::getDateString() -{ struct tm tm; + parseTime(t, &tm); - memset(&tm, 0, sizeof(tm)); + year = tm.tm_year; if (year_is_bcd) { - // undo the BCD and conver to years since 1900 guessing that - // anything before 1970 is actually after 2000 - int _year = (year >> 4) * 10 + (year & 0xf); - if (_year < 70) - _year += 100; - - tm.tm_year = _year; - } else { - // number of years since 1900 - tm.tm_year = year; + // The datasheet says that the year field can be either BCD or + // years since 1900. Linux seems to be happy with years since + // 1900. + year = year % 100; + int tens = year / 10; + int ones = year % 10; + year = (tens << 4) + ones; } - // unix is 0-11 for month - tm.tm_mon = mon - 1; - tm.tm_mday = mday; - tm.tm_hour = hour; - tm.tm_min = min; - tm.tm_sec = sec; + // Unix is 0-11 for month, data seet says start at 1 + mon = tm.tm_mon + 1; + mday = tm.tm_mday; + hour = tm.tm_hour; + min = tm.tm_min; + sec = tm.tm_sec; - // to add more annoyance unix is 0 - 6 with 0 as sunday - tm.tm_wday = wday - 1; + // Datasheet says 1 is sunday + wday = tm.tm_wday + 1; - return asctime(&tm); + DPRINTFN("Real-time clock set to %s", asctime(&tm)); } void |