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Kernel: Computing the boot timestamp was a bit broken.

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This commit is contained in:
Andreas Kling 2019-05-04 17:05:42 +02:00
parent 3ae75e04ec
commit 932836e3c7
1 changed files with 18 additions and 13 deletions
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31
Kernel/RTC.cpp
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@ -33,23 +33,26 @@ inline bool is_leap_year(unsigned year)
static unsigned days_in_months_since_start_of_year(unsigned month, unsigned year) static unsigned days_in_months_since_start_of_year(unsigned month, unsigned year)
{ {
unsigned days = 0;
switch (month) { switch (month) {
case 11: return 30; case 11: days += 30;
case 10: return 31; case 10: days += 31;
case 9: return 30; case 9: days += 30;
case 8: return 31; case 8: days += 31;
case 7: return 31; case 7: days += 31;
case 6: return 30; case 6: days += 30;
case 5: return 31; case 5: days += 31;
case 4: return 30; case 4: days += 30;
case 3: return 31; case 3: days += 31;
case 2: case 2:
if (is_leap_year(year)) if (is_leap_year(year))
return 29; days += 29;
return 28; else
case 1: return 31; days += 28;
default: return 0; case 1: days += 31;
default: break;
} }
return days;
} }
static unsigned days_in_years_since_epoch(unsigned year) static unsigned days_in_years_since_epoch(unsigned year)
@ -88,6 +91,8 @@ time_t now()
unsigned year, month, day, hour, minute, second; unsigned year, month, day, hour, minute, second;
read_registers(year, month, day, hour, minute, second); read_registers(year, month, day, hour, minute, second);
kprintf("year: %d, month: %d, day: %d\n", year, month, day);
ASSERT(year >= 2018); ASSERT(year >= 2018);
return days_in_years_since_epoch(year - 1) * 86400 return days_in_years_since_epoch(year - 1) * 86400