226 lines
8.4 KiB
C#
226 lines
8.4 KiB
C#
///////////////////////////////////////////////////////////////////////////////
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//
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// Microsoft Research Singularity
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//
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//
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// File: IdeBus.cs
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//
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// Creates IDE Bus device
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// Creates IDE controller devices as sub devices and registers with with the system
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// Creates two instances of the controller
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#define SUPPORT_MINIMAL_MATCH
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#define DONT_DISABLE_LEGACY_NFORCE_TO_HIDE_DVD
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using System;
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using System.Collections;
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using System.Threading;
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using Microsoft.Singularity.Channels;
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using Microsoft.Singularity.Io;
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using Microsoft.Singularity.Configuration;
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using Microsoft.Singularity.Drivers.IDE;
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namespace Microsoft.Singularity.Drivers.IDE
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{
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// create the resource objects for CTR to fill in
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// CTR will have to figure out which class to use...
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[DriverCategory]
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[Signature("pci/cc_0101")]
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#if DONT_DISABLE_LEGACY_NFORCE_TO_HIDE_DVD
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[Signature("pci/ven_10de&dev_0053&cc_0101")] // nForce4
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[Signature("pci/ven_10de&dev_0035&cc_0101")] // nForce4 Intel Edition
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#endif
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[EnumeratesDevice("/ata/controller")]
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internal class LegacyIdeBus : DriverCategoryDeclaration
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{
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[IoPortRange(4, Default = 0xffa0, Length = 0x10, Shared = true)]
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IoPortRange port1;
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[IoFixedIrqRange(Base = 14, Shared = true)]
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IoIrqRange primaryIrq;
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[IoFixedIrqRange(Base = 15, Shared = true)]
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IoIrqRange secondaryIrq;
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// Provide to unify creation.
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public static IDevice! DeviceCreate(IoConfig! config, String! instanceName)
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{
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return new IdeBus((PciDeviceConfig)config);
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}
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}
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[DriverCategory]
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[Signature("pci/ven_10de&dev_0054&cc_0101")] // nForce4
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[Signature("pci/ven_10de&dev_0055&cc_0101")] // nForce4
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[Signature("pci/ven_10de&dev_0036&cc_0101")] // nForce4 Intel Edition
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[Signature("pci/ven_10d3&dev_003e&cc_0101")] // nForce4 Intel Edition
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#if DELL490_IS_FIXED
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// TODO: fixme
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[Signature("pci/ven_8086&dev_2680&cc_0101")] // Intel 3100 SATA in ATA mode
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[Signature("pci/ven_8086&dev_269e&cc_0101")] // Intel 3100 Legacy (DELL 490)
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#endif
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[EnumeratesDevice("/ata/controller")]
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internal class NvIdeBus : DriverCategoryDeclaration
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{
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// TODO: Should all of these be shared?
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[IoPortRange(0, Default = 0x09f0, Length = 0x08, Shared = true)]
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IoPortRange port1;
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[IoPortRange(1, Default = 0x0bf0, Length = 0x04, Shared = true)]
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IoPortRange port2;
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[IoPortRange(2, Default = 0x0970, Length = 0x08, Shared = true)]
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IoPortRange port3;
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[IoPortRange(3, Default = 0x0b70, Length = 0x04, Shared = true)]
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IoPortRange port4;
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[IoPortRange(4, Default = 0xf600, Length = 0x10, Shared = true)]
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IoPortRange port5;
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[IoIrqRange(6, Default = 0x0b, Shared = true)]
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IoIrqRange irq1;
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// Provide to unify creation.
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public static IDevice! DeviceCreate(IoConfig! config, String! name)
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{
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return new IdeBus((PciDeviceConfig)config);
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}
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}
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[DriverCategory]
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[Signature("pci/ven_10de&dev_037f&cc_0101")] // new motherboardx
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[EnumeratesDevice("/ata/controller")]
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internal class TyanIdeBus : DriverCategoryDeclaration
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{
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[IoPortRange(0, Default = 0x24d0, Length = 0x08, Shared = true)]
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IoPortRange port1;
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[IoPortRange(1, Default = 0x24c4, Length = 0x04, Shared = true)]
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IoPortRange port2;
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[IoPortRange(2, Default = 0x24c8, Length = 0x08, Shared = true)]
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IoPortRange port3;
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[IoPortRange(3, Default = 0x24c0, Length = 0x04, Shared = true)]
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IoPortRange port4;
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[IoPortRange(4, Default = 0x2490, Length = 0x10, Shared = true)]
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IoPortRange port5;
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[IoIrqRange(6, Default = 0x07, Shared = true)]
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IoIrqRange irq1;
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// Provide to unify creation.
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public static IDevice! DeviceCreate(IoConfig! config, String! name)
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{
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return new IdeBus((PciDeviceConfig)config);
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}
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}
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[CLSCompliant(false)]
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public class IdeBus : IBusDevice
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{
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private PciDeviceConfig! config;
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private PnpConfig primaryConfig;
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private PnpConfig secondaryConfig;
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const uint PCI_CONFIG_Command_IOE = 0x1;
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const uint PCI_CONFIG_PI_PrimaryMode = 0x1; // NATIVE, ~compatible
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const uint PCI_CONFIG_PI_PrimaryFixed = 0x2; // DYNAMIC, ~fixed
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const uint PCI_CONFIG_PI_SecondaryMode = 0x4; // NATIVE, ~compatible
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const uint PCI_CONFIG_PI_SecondaryFixed = 0x8; // DYNAMIC, ~fixed
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public IdeBus(PciDeviceConfig! config)
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{
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//DebugStub.Print("IdeBus: Device instantiated.\n");
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this.config = config;
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}
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public void Initialize()
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{
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// 0: irq, 1: command, 2: control, 3: dma
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IoRange[] primary = new IoRange[4];
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IoRange[] secondary = new IoRange[4];
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DebugStub.Print("IdeBus: Initializing device {0:x8}, vendor {1:x8}, config: {2}\n",
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__arglist(
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(ulong)config.DeviceId,
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(ulong)config.VendorId,
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config.ToString()));
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// First, Check to see if the IDE controller is active by checking the
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// IO enable bit in the PCI configspace Command Register.
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// For the moment we are assuming that Read32() is handling endian issues
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// for us.
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config.IoSpaceEnabled = true;
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// Read the Programming Interface (PI) Register from the PCI configuration space
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byte programmingInterfaceValue = config.Read8(0x9);
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// The high bit in the PI indicates the presence of bus-master DMA.
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assert config.DynamicRanges != null;
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if ((programmingInterfaceValue & 0x80) > 0 &&
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config.DynamicRanges[4] as IoPortRange != null) {
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IoPortRange! range = (IoPortRange!)(config.DynamicRanges[4]);
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primary[3] = range.RangeAtOffset(0, 8, true, true);
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secondary[3] = range.RangeAtOffset(8, 8, true, true);
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DebugStub.Print("IdeBus: Interface supports BusMaster DMA, at {0}\n",
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__arglist(range.ToString()));
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}
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// Next we decode the Native/Compat bits from the PI register
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if ((programmingInterfaceValue & PCI_CONFIG_PI_PrimaryMode) > 0) {
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//DebugStub.Print("Using Native mode PI={0:x2}\n",__arglist(programmingInterfaceValue));
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primary[0] = config.GetIrq();
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secondary[0] = config.GetIrq();
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primary[1] = config.DynamicRanges[0];
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primary[2] = config.DynamicRanges[1];
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secondary[1] = config.DynamicRanges[2];
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secondary[2] = config.DynamicRanges[3];
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uint ideChannelConfig = config.Read32(0x50);
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Tracing.Log(Tracing.Debug,"Channel Config= {0:x8}\n",
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(UIntPtr)ideChannelConfig);
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}
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else {
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//compat mode
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primary[0] = new IoIrqRange(14, 1);
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secondary[0] = new IoIrqRange(15, 1);
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primary[1] = new IoPortRange(0x1F0, 8, Access.ReadWrite);
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primary[2] = new IoPortRange(0x3F4, 4, Access.ReadWrite);
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secondary[1] = new IoPortRange(0x170, 8, Access.ReadWrite);
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secondary[2] = new IoPortRange(0x374, 4, Access.ReadWrite);
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}
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primaryConfig = new PnpConfig(new string[] { "/ata/controller" }, primary);
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secondaryConfig = new PnpConfig(new string[] { "/ata/controller" }, secondary);
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}
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public void Finalize()
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{
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DebugStub.Print("IdeBus: Finalized.\n");
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}
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public SortedList Enumerate()
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{
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SortedList found = new SortedList();
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found.Add("/controller0", primaryConfig);
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found.Add("/controller1", secondaryConfig);
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//FIXFIX: need to figure out why shared interrupt is not working. Post SOSP
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//found.Add("/secondary",secondaryConfig);
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return found;
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}
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}
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}
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