mirror of
https://github.com/Fennix-Project/Kernel.git
synced 2025-08-13 07:14:18 +00:00
.github
.vscode
Architecture
Core
Crash
Interrupts
Memory
Video
CPU.cpp
Debugger.cpp
Disk.cpp
Driver.cpp
Lock.cpp
PeripheralComponentInterconnect.cpp
Power.cpp
README.md
Random.cpp
StackGuard.c
Symbols.cpp
Time.cpp
Timer.cpp
UniversalAsynchronousReceiverTransmitter.cpp
crashhandler.hpp
Execute
FileSystem
Library
SystemCalls
Tasking
include
.gitignore
DAPI.hpp
Doxyfile
Fex.hpp
KConfig.cpp
KThread.cpp
Kernel.cpp
LICENSE
Makefile
README.md
kernel.h
syscalls.h
59 lines
1.6 KiB
C++
59 lines
1.6 KiB
C++
#include <time.hpp>
|
|
|
|
#include <memory.hpp>
|
|
#include <debug.h>
|
|
#include <io.h>
|
|
|
|
#if defined(__amd64__)
|
|
#include "../Architecture/amd64/acpi.hpp"
|
|
#elif defined(__i386__)
|
|
#elif defined(__aarch64__)
|
|
#endif
|
|
|
|
namespace Time
|
|
{
|
|
void time::Sleep(uint64_t Milliseconds)
|
|
{
|
|
#if defined(__amd64__) || defined(__i386__)
|
|
uint64_t Target = mminq(&((HPET *)hpet)->MainCounterValue) + (Milliseconds * 1000000000) / clk;
|
|
while (mminq(&((HPET *)hpet)->MainCounterValue) < Target)
|
|
CPU::Pause();
|
|
#elif defined(__aarch64__)
|
|
#endif
|
|
}
|
|
|
|
time::time(void *_acpi)
|
|
{
|
|
if (_acpi)
|
|
{
|
|
#if defined(__amd64__)
|
|
this->acpi = _acpi;
|
|
ACPI::ACPI *acpi = (ACPI::ACPI *)this->acpi;
|
|
if (acpi->HPET)
|
|
{
|
|
Memory::Virtual().Map((void *)acpi->HPET->Address.Address,
|
|
(void *)acpi->HPET->Address.Address,
|
|
Memory::PTFlag::RW | Memory::PTFlag::PCD);
|
|
this->hpet = (void *)acpi->HPET->Address.Address;
|
|
HPET *hpet = (HPET *)this->hpet;
|
|
trace("%s timer is at address %016p", acpi->HPET->Header.OEMID, (void *)acpi->HPET->Address.Address);
|
|
clk = hpet->GeneralCapabilities >> 32;
|
|
mmoutq(&hpet->GeneralConfiguration, 0);
|
|
mmoutq(&hpet->MainCounterValue, 0);
|
|
mmoutq(&hpet->GeneralConfiguration, 1);
|
|
}
|
|
else
|
|
{
|
|
trace("HPET not found");
|
|
}
|
|
#elif defined(__i386__)
|
|
#elif defined(__aarch64__)
|
|
#endif
|
|
}
|
|
}
|
|
|
|
time::~time()
|
|
{
|
|
}
|
|
}
|