ide.cpp

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#include <drivers/disk/ide.h>
 
 
using namespace MaxOS;
using namespace MaxOS::hardwarecommunication;
using namespace MaxOS::drivers;
using namespace MaxOS::drivers::disk;
using namespace MaxOS::filesystem;
using namespace MaxOS::filesystem::partition;
 
IntegratedDriveElectronicsController::IntegratedDriveElectronicsController(PCIDeviceDescriptor* device_descriptor)
{
    // 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);
 
}
 
IntegratedDriveElectronicsController::~IntegratedDriveElectronicsController() = default;
 
void IntegratedDriveElectronicsController::initialise() {
 
    // 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";
}
 
void IntegratedDriveElectronicsController::activate() {
 
    // 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);
 
    }
}
 
 
string IntegratedDriveElectronicsController::vendor_name() {
    return "Intel";
}
 
string IntegratedDriveElectronicsController::device_name() {
    return "PIIX4";
}