diff --git a/src/dev/alpha/tsunami_io.cc b/src/dev/alpha/tsunami_io.cc index 38986b77e..d701dc98f 100644 --- a/src/dev/alpha/tsunami_io.cc +++ b/src/dev/alpha/tsunami_io.cc @@ -57,25 +57,77 @@ using namespace std; //Should this be AlphaISA? using namespace TheISA; -TsunamiIO::RTC::RTC(const string &n, Tsunami* tsunami, time_t t, Tick i) - : _name(n), event(tsunami, i), addr(0) +TsunamiIO::RTC::RTC(const string &n, Tsunami* tsunami, const vector &t, + bool bcd, Tick i) + : _name(n), event(tsunami, i), addr(0), year_is_bcd(bcd) { memset(clock_data, 0, sizeof(clock_data)); 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; - gmtime_r(&t, &tm); - sec = tm.tm_sec; - min = tm.tm_min; - hour = tm.tm_hour; - wday = tm.tm_wday + 1; - mday = tm.tm_mday; - mon = tm.tm_mon + 1; - year = tm.tm_year; + memset(&tm, 0, sizeof(tm)); - DPRINTFN("Real-time clock set to %s", asctime(&tm)); + 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; + } + + // 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; + + // to add more annoyance unix is 0 - 6 with 0 as sunday + tm.tm_wday = wday - 1; + + return asctime(&tm); } void @@ -424,7 +476,8 @@ TsunamiIO::PITimer::Counter::CounterEvent::description() TsunamiIO::TsunamiIO(Params *p) : BasicPioDevice(p), tsunami(p->tsunami), pitimer(p->name + "pitimer"), - rtc(p->name + ".rtc", p->tsunami, p->init_time, p->frequency) + rtc(p->name + ".rtc", p->tsunami, p->init_time, p->year_is_bcd, + p->frequency) { pioSize = 0x100; @@ -649,7 +702,8 @@ BEGIN_DECLARE_SIM_OBJECT_PARAMS(TsunamiIO) Param frequency; SimObjectParam platform; SimObjectParam system; - Param time; + VectorParam time; + Param year_is_bcd; SimObjectParam tsunami; END_DECLARE_SIM_OBJECT_PARAMS(TsunamiIO) @@ -662,6 +716,7 @@ BEGIN_INIT_SIM_OBJECT_PARAMS(TsunamiIO) INIT_PARAM(platform, "platform"), INIT_PARAM(system, "system object"), INIT_PARAM(time, "System time to use (0 for actual time"), + INIT_PARAM(year_is_bcd, ""), INIT_PARAM(tsunami, "Tsunami") END_INIT_SIM_OBJECT_PARAMS(TsunamiIO) @@ -676,6 +731,7 @@ CREATE_SIM_OBJECT(TsunamiIO) p->platform = platform; p->system = system; p->init_time = time; + p->year_is_bcd = year_is_bcd; p->tsunami = tsunami; return new TsunamiIO(p); } diff --git a/src/dev/alpha/tsunami_io.hh b/src/dev/alpha/tsunami_io.hh index b0c368eb8..f42af4197 100644 --- a/src/dev/alpha/tsunami_io.hh +++ b/src/dev/alpha/tsunami_io.hh @@ -85,6 +85,9 @@ class TsunamiIO : public BasicPioDevice /** Current RTC register address/index */ int addr; + /** should the year be interpreted as BCD? */ + bool year_is_bcd; + /** Data for real-time clock function */ union { uint8_t clock_data[10]; @@ -110,7 +113,8 @@ class TsunamiIO : public BasicPioDevice uint8_t stat_regB; public: - RTC(const std::string &name, Tsunami* tsunami, time_t t, Tick i); + RTC(const std::string &name, Tsunami* tsunami, + const std::vector &t, bool bcd, Tick i); /** RTC address port: write address of RTC RAM data to access */ void writeAddr(const uint8_t data); @@ -121,6 +125,9 @@ class TsunamiIO : public BasicPioDevice /** RTC read data */ uint8_t readData(); + /** RTC get the date */ + std::string getDateString(); + /** * Serialize this object to the given output stream. * @param base The base name of the counter object. @@ -313,8 +320,10 @@ class TsunamiIO : public BasicPioDevice { Tick frequency; Tsunami *tsunami; - time_t init_time; + std::vector init_time; + bool year_is_bcd; }; + protected: const Params *params() const { return (const Params*)_params; } diff --git a/src/python/m5/objects/Tsunami.py b/src/python/m5/objects/Tsunami.py index 18a776a7f..3d8e6dd04 100644 --- a/src/python/m5/objects/Tsunami.py +++ b/src/python/m5/objects/Tsunami.py @@ -13,8 +13,10 @@ class TsunamiCChip(BasicPioDevice): class TsunamiIO(BasicPioDevice): type = 'TsunamiIO' - time = Param.Time('01/01/2009', + time = Param.Time('01/01/2006', "System time to use ('Now' for actual time)") + year_is_bcd = Param.Bool(False, + "The RTC should interpret the year as a BCD value") tsunami = Param.Tsunami(Parent.any, "Tsunami") frequency = Param.Frequency('1024Hz', "frequency of interrupts") diff --git a/src/python/m5/params.py b/src/python/m5/params.py index d570804d8..f8a9f9ddd 100644 --- a/src/python/m5/params.py +++ b/src/python/m5/params.py @@ -518,49 +518,55 @@ class EthernetAddr(ParamValue): else: return self.value -def parse_time(value): - strings = [ "%a %b %d %H:%M:%S %Z %Y", - "%a %b %d %H:%M:%S %Z %Y", - "%Y/%m/%d %H:%M:%S", - "%Y/%m/%d %H:%M", - "%Y/%m/%d", - "%m/%d/%Y %H:%M:%S", - "%m/%d/%Y %H:%M", - "%m/%d/%Y", - "%m/%d/%y %H:%M:%S", - "%m/%d/%y %H:%M", - "%m/%d/%y"] +time_formats = [ "%a %b %d %H:%M:%S %Z %Y", + "%a %b %d %H:%M:%S %Z %Y", + "%Y/%m/%d %H:%M:%S", + "%Y/%m/%d %H:%M", + "%Y/%m/%d", + "%m/%d/%Y %H:%M:%S", + "%m/%d/%Y %H:%M", + "%m/%d/%Y", + "%m/%d/%y %H:%M:%S", + "%m/%d/%y %H:%M", + "%m/%d/%y"] - for string in strings: - try: - return time.strptime(value, string) - except ValueError: - pass + +def parse_time(value): + from time import gmtime, strptime, struct_time, time + from datetime import datetime, date + + if isinstance(value, struct_time): + return value + + if isinstance(value, (int, long)): + return gmtime(value) + + if isinstance(value, (datetime, date)): + return value.timetuple() + + if isinstance(value, str): + if value in ('Now', 'Today'): + return time.gmtime(time.time()) + + for format in time_formats: + try: + return strptime(value, format) + except ValueError: + pass raise ValueError, "Could not parse '%s' as a time" % value class Time(ParamValue): cxx_type = 'time_t' def __init__(self, value): - if isinstance(value, time.struct_time): - self.value = time.mktime(value) - elif isinstance(value, int): - self.value = value - elif isinstance(value, str): - if value in ('Now', 'Today'): - self.value = time.time() - else: - self.value = time.mktime(parse_time(value)) - elif isinstance(value, (datetime.datetime, datetime.date)): - self.value = time.mktime(value.timetuple()) - else: - raise ValueError, "Could not parse '%s' as a time" % value + self.value = parse_time(value) def __str__(self): - return str(int(self.value)) + tm = self.value + return ' '.join([ str(tm[i]) for i in xrange(8)]) def ini_str(self): - return str(int(self.value)) + return str(self) # Enumerated types are a little more complex. The user specifies the # type as Enum(foo) where foo is either a list or dictionary of