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/* -------------------------------------------
Copyright (C) 2024-2025, Amlal EL Mahrouss, all rights reserved.
------------------------------------------- */
#include <modules/ACPI/ACPIFactoryInterface.h>
#include <HALKit/AMD64/Processor.h>
#define cIOAPICRegVal (4)
#define cIOAPICRegReg (0)
namespace Kernel::HAL
{
APICController::APICController(VoidPtr base)
: fApic(base)
{
}
/// @brief Read from APIC controller.
/// @param reg register.
UInt32 APICController::Read(UInt32 reg) noexcept
{
MUST_PASS(this->fApic);
UInt32 volatile* io_apic = (UInt32 volatile*)this->fApic;
io_apic[cIOAPICRegReg] = (reg & 0xFF);
return io_apic[cIOAPICRegVal];
}
/// @brief Write to APIC controller.
/// @param reg register.
/// @param value value.
Void APICController::Write(UInt32 reg, UInt32 value) noexcept
{
MUST_PASS(this->fApic);
UInt32 volatile* io_apic = (UInt32 volatile*)this->fApic;
io_apic[cIOAPICRegReg] = (reg & 0xFF);
io_apic[cIOAPICRegVal] = value;
}
} // namespace Kernel::HAL
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