mirror of
https://github.com/Fennix-Project/Kernel.git
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56 lines
1.5 KiB
C++
56 lines
1.5 KiB
C++
#include <time.hpp>
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#include <memory.hpp>
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#include <debug.h>
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#include <io.h>
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#if defined(__amd64__)
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#include "../Architecture/amd64/acpi.hpp"
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#elif defined(__i386__)
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#elif defined(__aarch64__)
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#endif
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namespace Time
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{
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void time::Sleep(uint64_t Milliseconds)
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{
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uint64_t Target = mminq(&((HPET *)hpet)->MainCounterValue) + (Milliseconds * 1000000000) / clk;
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while (mminq(&((HPET *)hpet)->MainCounterValue) < Target)
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;
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}
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time::time(void *_acpi)
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{
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if (_acpi)
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{
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#if defined(__amd64__)
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this->acpi = _acpi;
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ACPI::ACPI *acpi = (ACPI::ACPI *)this->acpi;
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if (acpi->HPET)
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{
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Memory::Virtual().Map((void *)acpi->HPET->Address.Address,
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(void *)acpi->HPET->Address.Address,
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Memory::PTFlag::RW | Memory::PTFlag::PCD);
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this->hpet = (void *)acpi->HPET->Address.Address;
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HPET *hpet = (HPET *)this->hpet;
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trace("%s timer is at address %016p", acpi->HPET->Header.OEMID, (void *)acpi->HPET->Address.Address);
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clk = hpet->GeneralCapabilities >> 32;
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mmoutq(&hpet->GeneralConfiguration, 0);
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mmoutq(&hpet->MainCounterValue, 0);
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mmoutq(&hpet->GeneralConfiguration, 1);
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}
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else
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{
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trace("HPET not found");
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}
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#elif defined(__i386__)
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#elif defined(__aarch64__)
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#endif
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}
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}
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time::~time()
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{
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}
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}
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