From a13e1c0911c0627184bc38f18c7fdda64447b3ad Mon Sep 17 00:00:00 2001 From: Amlal El Mahrouss Date: Sun, 23 Mar 2025 19:13:48 +0100 Subject: meta(kernel): Reworked repository's filesystem structure. Removing useless parts of the project too. Signed-off-by: Amlal El Mahrouss --- dev/kernel/HALKit/AMD64/HalAPICController.cc | 44 ++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 dev/kernel/HALKit/AMD64/HalAPICController.cc (limited to 'dev/kernel/HALKit/AMD64/HalAPICController.cc') diff --git a/dev/kernel/HALKit/AMD64/HalAPICController.cc b/dev/kernel/HALKit/AMD64/HalAPICController.cc new file mode 100644 index 00000000..a4de5091 --- /dev/null +++ b/dev/kernel/HALKit/AMD64/HalAPICController.cc @@ -0,0 +1,44 @@ +/* ------------------------------------------- + + Copyright (C) 2024-2025, Amlal EL Mahrouss, all rights reserved. + +------------------------------------------- */ + +#include +#include + +#define cIOAPICRegVal (4) +#define cIOAPICRegReg (0) + +namespace NeOS::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 NeOS::HAL -- cgit v1.2.3