int
bbc_to_gmt(u_long *timbuf)
{
int i;
u_long tmp;
int year, month, day, hour, min, sec;
read_bbc();
sec = bbc_to_decimal(1, 0);
min = bbc_to_decimal(3, 2);
/*
* Hours are different for some reason. Makes no sense really.
*/
hour = ((bbc_registers[5] & 0x03) * 10) + bbc_registers[4];
day = bbc_to_decimal(8, 7);
month = bbc_to_decimal(10, 9);
year = bbc_to_decimal(12, 11) + 1900;
range_test(hour, 0, 23);
range_test(day, 1, 31);
range_test(month, 1, 12);
range_test(year, STARTOFTIME, 2038); /* 2038 is the end of time. */
tmp = 0;
for (i = STARTOFTIME; i < year; i++)
tmp += days_in_year(i);
if (leapyear(year) && month > FEBRUARY)
tmp++;
for (i = 1; i < month; i++)
tmp += days_in_month(i);
tmp += (day - 1);
tmp = ((tmp * 24 + hour) * 60 + min) * 60 + sec;
*timbuf = tmp;
return(1);
}
static bool
clock_to_gmt(satime_t *timbuf)
{
int i;
satime_t tmp;
int year, month, day, hour, min, sec;
if (machineid == HP_425 && mmuid == MMUID_425_E) {
/* 425e uses mcclock on the frodo utility chip */
while ((mc_read(MC_REGA) & MC_REGA_UIP) != 0)
continue;
sec = mc_read(MC_SEC);
min = mc_read(MC_MIN);
hour = mc_read(MC_HOUR);
day = mc_read(MC_DOM);
month = mc_read(MC_MONTH);
year = mc_read(MC_YEAR) + 1900;
} else {
/* Use the traditional HIL bbc for all other models */
read_bbc();
sec = bbc_to_decimal(1, 0);
min = bbc_to_decimal(3, 2);
/*
* Hours are different for some reason. Makes no sense really.
*/
hour = ((bbc_registers[5] & 0x03) * 10) + bbc_registers[4];
day = bbc_to_decimal(8, 7);
month = bbc_to_decimal(10, 9);
year = bbc_to_decimal(12, 11) + 1900;
}
if (year < POSIX_BASE_YEAR)
year += 100;
#ifdef CLOCK_DEBUG
printf("clock todr: %u/%u/%u %u:%u:%u\n",
year, month, day, hour, min, sec);
#endif
range_test(hour, 0, 23);
range_test(day, 1, 31);
range_test(month, 1, 12);
tmp = 0;
for (i = POSIX_BASE_YEAR; i < year; i++)
tmp += days_per_year(i);
if (is_leap_year(year) && month > FEBRUARY)
tmp++;
for (i = 1; i < month; i++)
tmp += days_in_month(i);
tmp += (day - 1);
tmp = ((tmp * 24 + hour) * 60 + min) * 60 + sec;
*timbuf = tmp;
return true;
}
