MaxOS::hardwarecommunication::AdvancedProgrammableInterruptController Class Reference

Handles both the Local APIC (boot core) and IO APIC. More...

#include <apic.h>

Public Member Functions
	AdvancedProgrammableInterruptController (AdvancedConfigurationAndPowerInterface *acpi)
	Construct a new Advanced Programmable Interrupt Controller object and initialises the Local APIC and IO APIC, disabling the legacy PIC.
	~AdvancedProgrammableInterruptController ()
	Destroy the Advanced Programmable Interrupt Controller object and frees the Local APIC and IO APIC.
LocalAPIC *	local_apic () const
	Get the local apic.
IOAPIC *	io_apic () const
	Get the io apic.

Detailed Description

Handles both the Local APIC (boot core) and IO APIC.

Todo:

Should either handle all Local APICs or none (only boot core right now, others accessed per core directly which is inconsistent)

Definition at line 240 of file apic.h.

Constructor & Destructor Documentation

AdvancedProgrammableInterruptController()

AdvancedProgrammableInterruptController::AdvancedProgrammableInterruptController ( AdvancedConfigurationAndPowerInterface *  acpi )

explicit

Construct a new Advanced Programmable Interrupt Controller object and initialises the Local APIC and IO APIC, disabling the legacy PIC.

Parameters

acpi	The ACPI interface to get the MADT from

Definition at line 462 of file apic.cpp.

: m_pic_master_command_port(0x20),
  m_pic_master_data_port(0x21),
  m_pic_slave_command_port(0xA0),
  m_pic_slave_data_port(0xA1)
{
 
    // Register this APIC
    Logger::INFO() << "Setting up APIC\n";
    InterruptManager::active_interrupt_manager()->set_apic(this);
 
    // Init the Local APIC
    Logger::DEBUG() << "Initialising Local APIC\n";
    m_local_apic = new LocalAPIC();
 
    // Disable the legacy mode PIC
    Logger::DEBUG() << "Disabling PIC\n";
    disable_pic();
 
    // Init the IO APIC
    Logger::DEBUG() << "Initialising IO APIC\n";
    m_io_apic = new IOAPIC(acpi);
}

References MaxOS::hardwarecommunication::InterruptManager::active_interrupt_manager(), MaxOS::Logger::DEBUG(), MaxOS::Logger::INFO(), and MaxOS::hardwarecommunication::InterruptManager::set_apic().

~AdvancedProgrammableInterruptController()

AdvancedProgrammableInterruptController::~AdvancedProgrammableInterruptController

(

)

Destroy the Advanced Programmable Interrupt Controller object and frees the Local APIC and IO APIC.

Definition at line 489 of file apic.cpp.

                                                                                  {
 
    // Free the memory
    delete m_local_apic;
    delete m_io_apic;
}

Member Function Documentation

io_apic()

IOAPIC * AdvancedProgrammableInterruptController::io_apic

(

)

const

Get the io apic.

Returns

The io apic

Definition at line 537 of file apic.cpp.

                                                               {
 
    return m_io_apic;
}

Referenced by MaxOS::system::CPU::find_cores(), and MaxOS::hardwarecommunication::InterruptHandler::InterruptHandler().

local_apic()

LocalAPIC * AdvancedProgrammableInterruptController::local_apic

(

)

const

Get the local apic.

Returns

The local apic

Definition at line 527 of file apic.cpp.

                                                                     {
 
    return m_local_apic;
}

Referenced by MaxOS::hardwarecommunication::Clock::calibrate(), MaxOS::system::CPU::CPU(), and MaxOS::system::Core::wake_up().

---

The documentation for this class was generated from the following files:

• /home/runner/work/MaxOS/MaxOS/kernel/include/hardwarecommunication/apic.h
• /home/runner/work/MaxOS/MaxOS/kernel/src/hardwarecommunication/apic.cpp