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Architecture
Core
Crash
Driver
Memory
Video
CPU.cpp
Debugger.cpp
Disk.cpp
InterruptsManager.cpp
Lock.cpp
PeripheralComponentInterconnect.cpp
Power.cpp
README.md
Random.cpp
StackGuard.cpp
Symbols.cpp
SystemManagementBIOS.cpp
Time.cpp
Timer.cpp
UndefinedBehaviorSanitization.c
UniversalAsynchronousReceiverTransmitter.cpp
crashhandler.hpp
smbios.hpp
ubsan.h
Execute
FileSystem
Files
GUI
Library
Network
Profiling
Recovery
SystemCalls
Tasking
Tests
include
.gitignore
DAPI.hpp
Doxyfile
Fex.hpp
KConfig.cpp
KThread.cpp
Kernel.cpp
LICENSE
Makefile
README.md
dump.sh
ipc.h
kernel.h
syscalls.h
89 lines
2.3 KiB
C++
89 lines
2.3 KiB
C++
#include <time.hpp>
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#include <debug.h>
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#include <io.h>
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namespace Time
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{
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Clock ReadClock()
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{
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Clock tm;
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#if defined(a64) || defined(a32)
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uint32_t t = 0;
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outb(0x70, 0x00);
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t = inb(0x71);
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tm.Second = ((t & 0x0F) + ((t >> 4) * 10));
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outb(0x70, 0x02);
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t = inb(0x71);
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tm.Minute = ((t & 0x0F) + ((t >> 4) * 10));
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outb(0x70, 0x04);
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t = inb(0x71);
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tm.Hour = ((t & 0x0F) + ((t >> 4) * 10));
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outb(0x70, 0x07);
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t = inb(0x71);
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tm.Day = ((t & 0x0F) + ((t >> 4) * 10));
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outb(0x70, 0x08);
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t = inb(0x71);
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tm.Month = ((t & 0x0F) + ((t >> 4) * 10));
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outb(0x70, 0x09);
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t = inb(0x71);
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tm.Year = ((t & 0x0F) + ((t >> 4) * 10));
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tm.Counter = 0;
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#elif defined(aa64)
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tm.Year = 0;
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tm.Month = 0;
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tm.Day = 0;
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tm.Hour = 0;
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tm.Minute = 0;
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tm.Second = 0;
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tm.Counter = 0;
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#endif
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return tm;
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}
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Clock ConvertFromUnix(int Timestamp)
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{
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Clock result;
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uint64_t Seconds = Timestamp;
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uint64_t Minutes = Seconds / 60;
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uint64_t Hours = Minutes / 60;
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uint64_t Days = Hours / 24;
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result.Year = 1970;
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while (Days >= 365)
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{
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if (result.Year % 4 == 0 && (result.Year % 100 != 0 || result.Year % 400 == 0))
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{
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if (Days >= 366)
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{
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Days -= 366;
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result.Year++;
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}
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else
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break;
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}
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else
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{
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Days -= 365;
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result.Year++;
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}
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}
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int DaysInMonth[] = {31, result.Year % 4 == 0 ? 29 : 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
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for (result.Month = 0; result.Month < 12; result.Month++)
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{
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if (Days < static_cast<uint64_t>(DaysInMonth[result.Month]))
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break;
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Days -= DaysInMonth[result.Month];
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}
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result.Month++;
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result.Day = static_cast<int>(Days) + 1;
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result.Hour = static_cast<int>(Hours % 24);
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result.Minute = static_cast<int>(Minutes % 60);
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result.Second = static_cast<int>(Seconds % 60);
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result.Counter = static_cast<uint64_t>(Timestamp);
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return result;
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}
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}
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