mirror of
https://github.com/Fennix-Project/Kernel.git
synced 2025-05-25 22:14:37 +00:00
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()
|
|
{
|
|
}
|
|
}
|