MaxOS::drivers::disk::IntegratedDriveElectronicsController Class Reference

Driver for the IDE controller, handles the creation and management of the IDE devices. More...

#include <ide.h>

Inheritance diagram for MaxOS::drivers::disk::IntegratedDriveElectronicsController:

Public Member Functions
	IntegratedDriveElectronicsController (hardwarecommunication::PCIDeviceDescriptor *device_descriptor)
	Construct a new Integrated Drive Electronics Controller object.
void	initialise () final
	Initialise the IDE controller by identifying the devices.
void	activate () final
	Activate the IDE controller by mounting the devices to the virtual file system.
string	vendor_name () final
	Get the vendor name.
string	device_name () final
	Get the device name.
Public Member Functions inherited from MaxOS::drivers::Driver
virtual void	deactivate ()
	Deactivate the driver.
virtual uint32_t	reset ()
	Reset the driver.

Detailed Description

Driver for the IDE controller, handles the creation and management of the IDE devices.

Definition at line 25 of file ide.h.

Constructor & Destructor Documentation

IntegratedDriveElectronicsController()

IntegratedDriveElectronicsController::IntegratedDriveElectronicsController ( hardwarecommunication::PCIDeviceDescriptor *  device_descriptor )

explicit

Construct a new Integrated Drive Electronics Controller object.

Parameters

device_descriptor

The PCI device descriptor for this controller

Todo:

Use the device descriptor to get the port base and add the devices dynamically

Definition at line 25 of file ide.cpp.

{
    // Primary
    auto primary_maser = new AdvancedTechnologyAttachment(0x1F0, true);
    auto primary_slave = new AdvancedTechnologyAttachment(0x1F0, false);
    devices.insert(primary_maser, true);
    devices.insert(primary_slave, false);
 
    // Secondary
    auto secondary_maser = new AdvancedTechnologyAttachment(0x170, true);
    auto secondary_slave = new AdvancedTechnologyAttachment(0x170, false);
    devices.insert(secondary_maser, true);
    devices.insert(secondary_slave, false);
 
}

Member Function Documentation

activate()

void IntegratedDriveElectronicsController::activate ( )

finalvirtual

Activate the IDE controller by mounting the devices to the virtual file system.

Reimplemented from MaxOS::drivers::Driver.

Definition at line 74 of file ide.cpp.

                                                    {
 
    // Loop through the devices and load the partitions
    for (auto &device: devices) {
 
        // Ensure there is a device and that it is the master
        if (device.first == nullptr || !device.second)
            continue;
 
        // Mount the device
        MSDOSPartition::mount_partitions(device.first);
 
    }
}

References MaxOS::filesystem::partition::MSDOSPartition::mount_partitions().

device_name()

string IntegratedDriveElectronicsController::device_name ( )

finalvirtual

Get the device name.

Returns

The device name

Reimplemented from MaxOS::drivers::Driver.

Definition at line 104 of file ide.cpp.

                                                         {
    return "PIIX4";
}

initialise()

void IntegratedDriveElectronicsController::initialise ( )

finalvirtual

Initialise the IDE controller by identifying the devices.

Reimplemented from MaxOS::drivers::Driver.

Definition at line 46 of file ide.cpp.

                                                      {
 
    // Loop through the devices and identify them
    for (auto &device: devices) {
 
        // Check if the device is present
        auto ata_device = device.first;
        if (ata_device == nullptr)
            continue;
 
        // Identify the device
        bool exists = ata_device->identify();
 
        // Remove the device if it does not exist
        if (!exists) {
            devices.erase(ata_device);
            delete ata_device;
            continue;
        }
    }
 
    // Log the init done
    Logger::DEBUG() << "IDE Controller: Initialised " << devices.size() << " devices\n";
}

References MaxOS::Logger::DEBUG().

vendor_name()

string IntegratedDriveElectronicsController::vendor_name ( )

finalvirtual

Get the vendor name.

Returns

The vendor name

Reimplemented from MaxOS::drivers::Driver.

Definition at line 95 of file ide.cpp.

                                                         {
    return "Intel";
}

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

• /home/runner/work/MaxOS/MaxOS/kernel/include/drivers/disk/ide.h
• /home/runner/work/MaxOS/MaxOS/kernel/src/drivers/disk/ide.cpp