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https://github.com/RGBCube/serenity
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30eeba1981
If there's no PCI bus, then it's safe to assume that we run on a x86 machine that has an ISA IDE controller in the system. In such case, we just instantiate a ISAIDEController object that assumes fixed locations of IDE IO ports.
44 lines
1.3 KiB
C++
44 lines
1.3 KiB
C++
/*
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* Copyright (c) 2022, Liav A. <liavalb@hotmail.co.il>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/OwnPtr.h>
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#include <AK/RefPtr.h>
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#include <AK/Types.h>
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#include <Kernel/Bus/PCI/API.h>
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#include <Kernel/FileSystem/ProcFS.h>
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#include <Kernel/Sections.h>
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#include <Kernel/Storage/ATA/ATADiskDevice.h>
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#include <Kernel/Storage/ATA/BMIDEChannel.h>
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#include <Kernel/Storage/ATA/ISAIDEController.h>
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namespace Kernel {
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UNMAP_AFTER_INIT NonnullRefPtr<ISAIDEController> ISAIDEController::initialize()
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{
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return adopt_ref(*new ISAIDEController());
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}
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UNMAP_AFTER_INIT ISAIDEController::ISAIDEController()
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{
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initialize_channels();
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}
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UNMAP_AFTER_INIT void ISAIDEController::initialize_channels()
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{
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auto primary_base_io = IOAddress(0x1F0);
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auto primary_control_io = IOAddress(0x3F6);
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auto secondary_base_io = IOAddress(0x170);
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auto secondary_control_io = IOAddress(0x376);
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m_channels.append(IDEChannel::create(*this, { primary_base_io, primary_control_io }, IDEChannel::ChannelType::Primary));
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m_channels[0].enable_irq();
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m_channels.append(IDEChannel::create(*this, { secondary_base_io, secondary_control_io }, IDEChannel::ChannelType::Secondary));
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m_channels[1].enable_irq();
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dbgln("ISA IDE controller detected and initialized");
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}
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}
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